Initial import of code.

2 files changed, 4475 insertions, 0 deletions

diff --git a/tests/hlsl/dxsdk/BC6HBC7EncoderCS/Shaders/BC6HEncode.hlsl b/tests/hlsl/dxsdk/BC6HBC7EncoderCS/Shaders/BC6HEncode.hlsl
new file mode 100644
index 000000000..1e40c80ef
--- /dev/null
+++ b/tests/hlsl/dxsdk/BC6HBC7EncoderCS/Shaders/BC6HEncode.hlsl
@@ -0,0 +1,2567 @@
+//TEST_IGNORE_FILE:
+//--------------------------------------------------------------------------------------
+// File: BC6HEncode.hlsl
+//
+// The Compute Shader for BC6H Encoder
+//
+// Copyright (c) Microsoft Corporation. All rights reserved.
+//--------------------------------------------------------------------------------------
+
+//#define REF_DEVICE
+
+#define UINTLENGTH            32
+#define NCHANNELS             3
+#define SIGNED_F16            96
+#define UNSIGNED_F16          95
+#define MAX_FLOAT             asfloat(0x7F7FFFFF)
+#define MIN_FLOAT             asfloat(0xFF7FFFFF)
+#define MAX_INT               asint(0x7FFFFFFF)
+#define MIN_INT               asint(0x80000000)
+
+cbuffer cbCS : register( b0 )
+{
+    uint g_tex_width;
+    uint g_num_block_x;
+    uint g_format;            //either SIGNED_F16 for DXGI_FORMAT_BC6H_SF16 or UNSIGNED_F16 for DXGI_FORMAT_BC6H_UF16
+    uint g_mode_id;
+    uint g_start_block_id;
+    uint g_num_total_blocks;
+};
+
+static const uint candidateModeMemory[14] = { 0x00, 0x01, 0x02, 0x06, 0x0A, 0x0E, 0x12, 0x16, 0x1A, 0x1E, 0x03, 0x07, 0x0B, 0x0F };
+static const uint candidateModeFlag[14] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 };
+static const bool candidateModeTransformed[14] = { true, true, true, true, true, true, true, true, true, false, false, true, true, true };
+static const uint4 candidateModePrec[14] = { uint4(10,5,5,5), uint4(7,6,6,6),
+    uint4(11,5,4,4), uint4(11,4,5,4), uint4(11,4,4,5), uint4(9,5,5,5),
+    uint4(8,6,5,5), uint4(8,5,6,5), uint4(8,5,5,6), uint4(6,6,6,6),
+    uint4(10,10,10,10), uint4(11,9,9,9), uint4(12,8,8,8), uint4(16,4,4,4) };
+
+/*static const uint4x4 candidateSection[32] = 
+{
+    {0,0,1,1, 0,0,1,1, 0,0,1,1, 0,0,1,1}, {0,0,0,1, 0,0,0,1, 0,0,0,1, 0,0,0,1}, {0,1,1,1, 0,1,1,1, 0,1,1,1, 0,1,1,1}, {0,0,0,1, 0,0,1,1, 0,0,1,1, 0,1,1,1},
+    {0,0,0,0, 0,0,0,1, 0,0,0,1, 0,0,1,1}, {0,0,1,1, 0,1,1,1, 0,1,1,1, 1,1,1,1}, {0,0,0,1, 0,0,1,1, 0,1,1,1, 1,1,1,1}, {0,0,0,0, 0,0,0,1, 0,0,1,1, 0,1,1,1},
+    {0,0,0,0, 0,0,0,0, 0,0,0,1, 0,0,1,1}, {0,0,1,1, 0,1,1,1, 1,1,1,1, 1,1,1,1}, {0,0,0,0, 0,0,0,1, 0,1,1,1, 1,1,1,1}, {0,0,0,0, 0,0,0,0, 0,0,0,1, 0,1,1,1},
+    {0,0,0,1, 0,1,1,1, 1,1,1,1, 1,1,1,1}, {0,0,0,0, 0,0,0,0, 1,1,1,1, 1,1,1,1}, {0,0,0,0, 1,1,1,1, 1,1,1,1, 1,1,1,1}, {0,0,0,0, 0,0,0,0, 0,0,0,0, 1,1,1,1},
+    {0,0,0,0, 1,0,0,0, 1,1,1,0, 1,1,1,1}, {0,1,1,1, 0,0,0,1, 0,0,0,0, 0,0,0,0}, {0,0,0,0, 0,0,0,0, 1,0,0,0, 1,1,1,0}, {0,1,1,1, 0,0,1,1, 0,0,0,1, 0,0,0,0},
+    {0,0,1,1, 0,0,0,1, 0,0,0,0, 0,0,0,0}, {0,0,0,0, 1,0,0,0, 1,1,0,0, 1,1,1,0}, {0,0,0,0, 0,0,0,0, 1,0,0,0, 1,1,0,0}, {0,1,1,1, 0,0,1,1, 0,0,1,1, 0,0,0,1},
+    {0,0,1,1, 0,0,0,1, 0,0,0,1, 0,0,0,0}, {0,0,0,0, 1,0,0,0, 1,0,0,0, 1,1,0,0}, {0,1,1,0, 0,1,1,0, 0,1,1,0, 0,1,1,0}, {0,0,1,1, 0,1,1,0, 0,1,1,0, 1,1,0,0},
+    {0,0,0,1, 0,1,1,1, 1,1,1,0, 1,0,0,0}, {0,0,0,0, 1,1,1,1, 1,1,1,1, 0,0,0,0}, {0,1,1,1, 0,0,0,1, 1,0,0,0, 1,1,1,0}, {0,0,1,1, 1,0,0,1, 1,0,0,1, 1,1,0,0}
+};*/
+
+static const uint candidateSectionBit[32] = 
+{
+    0xCCCC, 0x8888, 0xEEEE, 0xECC8,
+    0xC880, 0xFEEC, 0xFEC8, 0xEC80,
+    0xC800, 0xFFEC, 0xFE80, 0xE800,
+    0xFFE8, 0xFF00, 0xFFF0, 0xF000,
+    0xF710, 0x008E, 0x7100, 0x08CE,
+    0x008C, 0x7310, 0x3100, 0x8CCE,
+    0x088C, 0x3110, 0x6666, 0x366C,
+    0x17E8, 0x0FF0, 0x718E, 0x399C
+};
+
+static const uint candidateFixUpIndex1D[32] = 
+{
+    15,15,15,15,
+    15,15,15,15,
+    15,15,15,15,
+    15,15,15,15,
+    15, 2, 8, 2,
+     2, 8, 8,15,
+     2, 8, 2, 2,
+     8, 8, 2, 2
+};
+
+//0, 9, 18, 27, 37, 46, 55, 64
+static const uint aStep1[64] = {0,0,0,0,0,1,1,1,
+                              1,1,1,1,1,1,2,2,
+                              2,2,2,2,2,2,2,3,
+                              3,3,3,3,3,3,3,3,
+                              3,4,4,4,4,4,4,4,
+                              4,4,5,5,5,5,5,5,
+                              5,5,5,6,6,6,6,6,
+                              6,6,6,6,7,7,7,7};
+                                  
+//0, 4, 9, 13, 17, 21, 26, 30, 34, 38, 43, 47, 51, 55, 60, 64
+static const uint aStep2[64] = { 0, 0, 0, 1, 1, 1, 1, 2,
+                               2, 2, 2, 2, 3, 3, 3, 3,
+                               4, 4, 4, 4, 5, 5, 5, 5,
+                               6, 6, 6, 6, 6, 7, 7, 7,
+                               7, 8, 8, 8, 8, 9, 9, 9,
+                               9,10,10,10,10,10,11,11,
+                              11,11,12,12,12,12,13,13,
+                              13,13,14,14,14,14,15,15};
+
+static const float3 RGB2LUM = float3(0.2126f, 0.7152f, 0.0722f);
+
+#define THREAD_GROUP_SIZE    64
+#define BLOCK_SIZE_Y         4
+#define BLOCK_SIZE_X         4
+#define BLOCK_SIZE           (BLOCK_SIZE_Y * BLOCK_SIZE_X)
+
+
+//Forward declaration
+uint3 float2half( float3 pixel_f );
+int3 start_quantize( uint3 pixel_h );
+void quantize( inout int2x3 endPoint, uint prec );
+void finish_quantize_0( inout int bBadQuantize, inout int2x3 endPoint, uint4 prec, bool transformed );
+void finish_quantize_1( inout int bBadQuantize, inout int2x3 endPoint, uint4 prec, bool transformed );
+void finish_quantize( out bool bBadQuantize, inout int2x3 endPoint, uint4 prec, bool transformed );
+
+void start_unquantize( inout int2x3 endPoint[2], uint4 prec, bool transformed );
+void start_unquantize( inout int2x3 endPoint, uint4 prec, bool transformed );
+void unquantize( inout int2x3 color, uint prec );
+uint3 finish_unquantize( int3 color );
+void generate_palette_unquantized8( out uint3 palette, int3 low, int3 high, int i );
+void generate_palette_unquantized16( out uint3 palette, int3 low, int3 high, int i );
+float3 half2float(uint3 color_h );
+
+void block_package( inout uint4 block, int2x3 endPoint[2], uint mode_type, uint partition_index );
+void block_package( inout uint4 block, int2x3 endPoint, uint mode_type );
+
+void swap(inout int3 lhs, inout int3 rhs)
+{
+    int3 tmp = lhs;
+    lhs = rhs;
+    rhs = tmp;
+}
+
+Texture2D<float4> g_Input : register( t0 ); 
+StructuredBuffer<uint4> g_InBuff : register( t1 );
+
+RWStructuredBuffer<uint4> g_OutBuff : register( u0 );
+
+struct SharedData
+{
+    float3 pixel;
+    int3 pixel_ph;
+    float3 pixel_hr;
+    float pixel_lum;
+    float error;
+    uint best_mode;
+    uint best_partition;
+    int3 endPoint_low;
+    int3 endPoint_high;
+    float endPoint_lum_low;
+    float endPoint_lum_high;
+};
+
+groupshared SharedData shared_temp[THREAD_GROUP_SIZE];
+
+[numthreads( THREAD_GROUP_SIZE, 1, 1 )]
+void TryModeG10CS( uint GI : SV_GroupIndex, uint3 groupID : SV_GroupID )
+{
+    const uint MAX_USED_THREAD = 16;
+    uint BLOCK_IN_GROUP = THREAD_GROUP_SIZE / MAX_USED_THREAD;
+    uint blockInGroup = GI / MAX_USED_THREAD;
+    uint blockID = g_start_block_id + groupID.x * BLOCK_IN_GROUP + blockInGroup;
+    uint threadBase = blockInGroup * MAX_USED_THREAD;
+    uint threadInBlock = GI - threadBase;
+
+#ifndef REF_DEVICE
+    if (blockID >= g_num_total_blocks)
+    {
+        return;
+    }
+#endif
+    
+    uint block_y = blockID / g_num_block_x;
+    uint block_x = blockID - block_y * g_num_block_x;
+    uint base_x = block_x * BLOCK_SIZE_X;
+    uint base_y = block_y * BLOCK_SIZE_Y;
+    
+    if (threadInBlock < 16)
+    {
+        shared_temp[GI].pixel = g_Input.Load( uint3( base_x + threadInBlock % 4, base_y + threadInBlock / 4, 0 ) ).rgb;
+        uint3 pixel_h = float2half( shared_temp[GI].pixel );
+        shared_temp[GI].pixel_hr = half2float(pixel_h);
+        shared_temp[GI].pixel_lum = dot(shared_temp[GI].pixel_hr, RGB2LUM);
+        shared_temp[GI].pixel_ph = start_quantize( pixel_h );
+        
+        shared_temp[GI].endPoint_low = shared_temp[GI].pixel_ph;
+        shared_temp[GI].endPoint_high = shared_temp[GI].pixel_ph;
+        shared_temp[GI].endPoint_lum_low = shared_temp[GI].pixel_lum;
+        shared_temp[GI].endPoint_lum_high = shared_temp[GI].pixel_lum;
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+    
+    if (threadInBlock < 8)
+    {
+        if (shared_temp[GI].endPoint_lum_low > shared_temp[GI + 8].endPoint_lum_low)
+        {
+            shared_temp[GI].endPoint_low = shared_temp[GI + 8].endPoint_low;
+            shared_temp[GI].endPoint_lum_low = shared_temp[GI + 8].endPoint_lum_low;
+        }
+        if (shared_temp[GI].endPoint_lum_high < shared_temp[GI + 8].endPoint_lum_high)
+        {
+            shared_temp[GI].endPoint_high = shared_temp[GI + 8].endPoint_high;
+            shared_temp[GI].endPoint_lum_high = shared_temp[GI + 8].endPoint_lum_high;
+        }
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+    if (threadInBlock < 4)
+    {
+        if (shared_temp[GI].endPoint_lum_low > shared_temp[GI + 4].endPoint_lum_low)
+        {
+            shared_temp[GI].endPoint_low = shared_temp[GI + 4].endPoint_low;
+            shared_temp[GI].endPoint_lum_low = shared_temp[GI + 4].endPoint_lum_low;
+        }
+        if (shared_temp[GI].endPoint_lum_high < shared_temp[GI + 4].endPoint_lum_high)
+        {
+            shared_temp[GI].endPoint_high = shared_temp[GI + 4].endPoint_high;
+            shared_temp[GI].endPoint_lum_high = shared_temp[GI + 4].endPoint_lum_high;
+        }
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+    if (threadInBlock < 2)
+    {
+        if (shared_temp[GI].endPoint_lum_low > shared_temp[GI + 2].endPoint_lum_low)
+        {
+            shared_temp[GI].endPoint_low = shared_temp[GI + 2].endPoint_low;
+            shared_temp[GI].endPoint_lum_low = shared_temp[GI + 2].endPoint_lum_low;
+        }
+        if (shared_temp[GI].endPoint_lum_high < shared_temp[GI + 2].endPoint_lum_high)
+        {
+            shared_temp[GI].endPoint_high = shared_temp[GI + 2].endPoint_high;
+            shared_temp[GI].endPoint_lum_high = shared_temp[GI + 2].endPoint_lum_high;
+        }
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+    if (threadInBlock < 1)
+    {
+        if (shared_temp[GI].endPoint_lum_low > shared_temp[GI + 1].endPoint_lum_low)
+        {
+            shared_temp[GI].endPoint_low = shared_temp[GI + 1].endPoint_low;
+            shared_temp[GI].endPoint_lum_low = shared_temp[GI + 1].endPoint_lum_low;
+        }
+        if (shared_temp[GI].endPoint_lum_high < shared_temp[GI + 1].endPoint_lum_high)
+        {
+            shared_temp[GI].endPoint_high = shared_temp[GI + 1].endPoint_high;
+            shared_temp[GI].endPoint_lum_high = shared_temp[GI + 1].endPoint_lum_high;
+        }
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+
+    //ergod mode_type 11:14
+    if ( threadInBlock == 0 )
+    {
+        int2x3 endPoint;
+        // find_axis
+        endPoint[0] = shared_temp[threadBase + 0].endPoint_low;
+        endPoint[1] = shared_temp[threadBase + 0].endPoint_high;
+        
+        //compute_index
+        float3 span = endPoint[1] - endPoint[0];// fixed a bug in v0.2
+        float span_norm_sqr = dot( span, span );// fixed a bug in v0.2
+        float dotProduct = dot( span, shared_temp[threadBase + 0].pixel_ph - endPoint[0] );// fixed a bug in v0.2
+        if ( span_norm_sqr > 0 && dotProduct >= 0 && uint( dotProduct * 63.49999 / span_norm_sqr ) > 32 )
+        {
+            swap(endPoint[0], endPoint[1]);
+
+            shared_temp[GI].endPoint_low = endPoint[0];
+            shared_temp[GI].endPoint_high = endPoint[1];
+        }
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+
+    if (threadInBlock < 4)
+    {
+        int2x3 endPoint;
+        endPoint[0] = shared_temp[threadBase + 0].endPoint_low;
+        endPoint[1] = shared_temp[threadBase + 0].endPoint_high;
+        
+        float3 span = endPoint[1] - endPoint[0];
+        float span_norm_sqr = dot( span, span );
+            
+        uint4 prec = candidateModePrec[threadInBlock + 10];
+        int2x3 endPoint_q = endPoint;
+        quantize( endPoint_q, prec.x );
+
+        bool transformed = candidateModeTransformed[threadInBlock + 10];
+        if (transformed)
+        {
+            endPoint_q[1] -= endPoint_q[0];
+        }
+        
+        bool bBadQuantize;
+        finish_quantize( bBadQuantize, endPoint_q, prec, transformed );
+        
+        start_unquantize( endPoint_q, prec, transformed );
+        
+        unquantize( endPoint_q, prec.x );
+        
+        float error = 0;
+        [loop]for ( uint j = 0; j < 16; j ++ )
+        {
+            float dotProduct = dot( span, shared_temp[threadBase + j].pixel_ph - endPoint[0] );// fixed a bug in v0.2
+            uint index = ( span_norm_sqr <= 0 || dotProduct <= 0 ) ? 0
+                : ( ( dotProduct < span_norm_sqr ) ? aStep2[ uint( dotProduct * 63.49999 / span_norm_sqr ) ] : aStep2[63] );
+                
+            uint3 pixel_rh;
+            generate_palette_unquantized16( pixel_rh, endPoint_q[0], endPoint_q[1], index );
+            float3 pixel_r = half2float( pixel_rh );
+            pixel_r -= shared_temp[threadBase + j].pixel_hr;
+            error += dot(pixel_r, pixel_r);
+        }
+        if ( bBadQuantize )
+            error = 1e20f;
+
+        shared_temp[GI].error = error;
+        shared_temp[GI].best_mode = candidateModeFlag[threadInBlock + 10];
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+    
+    if (threadInBlock < 2)
+    {
+        if ( shared_temp[GI].error > shared_temp[GI + 2].error )
+        {
+            shared_temp[GI].error = shared_temp[GI + 2].error;
+            shared_temp[GI].best_mode = shared_temp[GI + 2].best_mode;
+        }
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+    if (threadInBlock < 1)
+    {
+        if ( shared_temp[GI].error > shared_temp[GI + 1].error )
+        {
+            shared_temp[GI].error = shared_temp[GI + 1].error;
+            shared_temp[GI].best_mode = shared_temp[GI + 1].best_mode;
+        }
+        
+        g_OutBuff[blockID] = uint4(asuint(shared_temp[GI].error), shared_temp[GI].best_mode, 0, 0);
+    }
+}
+
+[numthreads( THREAD_GROUP_SIZE, 1, 1 )]
+void TryModeLE10CS( uint GI : SV_GroupIndex, uint3 groupID : SV_GroupID )
+{
+    const uint MAX_USED_THREAD = 32;
+    uint BLOCK_IN_GROUP = THREAD_GROUP_SIZE / MAX_USED_THREAD;
+    uint blockInGroup = GI / MAX_USED_THREAD;
+    uint blockID = g_start_block_id + groupID.x * BLOCK_IN_GROUP + blockInGroup;
+    uint threadBase = blockInGroup * MAX_USED_THREAD;
+    uint threadInBlock = GI - threadBase;
+
+#ifndef REF_DEVICE
+    if (blockID >= g_num_total_blocks)
+    {
+        return;
+    }
+
+    if (asfloat(g_InBuff[blockID].x) < 1e-6f)
+    {
+        g_OutBuff[blockID] = g_InBuff[blockID];
+        return;
+    }
+#endif
+    
+    uint block_y = blockID / g_num_block_x;
+    uint block_x = blockID - block_y * g_num_block_x;
+    uint base_x = block_x * BLOCK_SIZE_X;
+    uint base_y = block_y * BLOCK_SIZE_Y;
+    
+    if (threadInBlock < 16)
+    {
+        shared_temp[GI].pixel = g_Input.Load( uint3( base_x + threadInBlock % 4, base_y + threadInBlock / 4, 0 ) ).rgb;
+        uint3 pixel_h = float2half( shared_temp[GI].pixel );
+        shared_temp[GI].pixel_hr = half2float(pixel_h);
+        shared_temp[GI].pixel_lum = dot(shared_temp[GI].pixel_hr, RGB2LUM);
+        shared_temp[GI].pixel_ph = start_quantize( pixel_h );
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+    
+    //ergod mode_type 1:10
+    if (threadInBlock < 32)
+    {
+        // find_axis
+        int2x3 endPoint[2];
+        endPoint[0][0] = MAX_INT;
+        endPoint[0][1] = MIN_INT;
+        endPoint[1][0] = MAX_INT;
+        endPoint[1][1] = MIN_INT;
+        
+        float2 endPoint_lum[2];
+        endPoint_lum[0][0] = MAX_FLOAT;
+        endPoint_lum[0][1] = MIN_FLOAT;
+        endPoint_lum[1][0] = MAX_FLOAT;
+        endPoint_lum[1][1] = MIN_FLOAT;
+
+        uint bit = candidateSectionBit[threadInBlock];
+        for ( uint i = 0; i < 16; i ++ )
+        {
+            int3 pixel_ph = shared_temp[threadBase + i].pixel_ph;
+            float pixel_lum = shared_temp[threadBase + i].pixel_lum;
+            if ( (bit >> i) & 1 ) //It gets error when using "candidateSection" as "endPoint_ph" index
+            {
+                if (endPoint_lum[1][0] > pixel_lum)
+                {
+                    endPoint[1][0] = pixel_ph;
+                    endPoint_lum[1][0] = pixel_lum;
+                }
+                if (endPoint_lum[1][1] < pixel_lum)
+                {
+                    endPoint[1][1] = pixel_ph;
+                    endPoint_lum[1][1] = pixel_lum;
+                }
+            }
+            else
+            {
+                if (endPoint_lum[0][0] > pixel_lum)
+                {
+                    endPoint[0][0] = pixel_ph;
+                    endPoint_lum[0][0] = pixel_lum;
+                }
+                if (endPoint_lum[0][1] < pixel_lum)
+                {
+                    endPoint[0][1] = pixel_ph;
+                    endPoint_lum[0][1] = pixel_lum;
+                }
+            }
+        }
+        
+        //compute_index
+        float3 span[2];// fixed a bug in v0.2
+        float span_norm_sqr[2];// fixed a bug in v0.2
+        [unroll]
+        for (uint p = 0; p < 2; ++ p)
+        {
+            span[p] = endPoint[p][1] - endPoint[p][0];
+            span_norm_sqr[p] = dot( span[p], span[p] );
+
+            float dotProduct = dot( span[p], shared_temp[threadBase + (0 == p ? 0 : candidateFixUpIndex1D[threadInBlock])].pixel_ph - endPoint[p][0] );// fixed a bug in v0.2
+            if ( span_norm_sqr[p] > 0 && dotProduct >= 0 && uint( dotProduct * 63.49999 / span_norm_sqr[p] ) > 32 )
+            {
+                span[p] = -span[p];
+                swap(endPoint[p][0], endPoint[p][1]);
+            }
+        }
+
+        uint4 prec = candidateModePrec[g_mode_id];
+        int2x3 endPoint_q[2] = endPoint;
+        quantize( endPoint_q[0], prec.x );
+        quantize( endPoint_q[1], prec.x );
+
+        bool transformed = candidateModeTransformed[g_mode_id];
+        if (transformed)
+        {
+            endPoint_q[0][1] -= endPoint_q[0][0];
+            endPoint_q[1][0] -= endPoint_q[0][0];
+            endPoint_q[1][1] -= endPoint_q[0][0];
+        }
+
+        int bBadQuantize = 0;
+        finish_quantize_0( bBadQuantize, endPoint_q[0], prec, transformed );
+        finish_quantize_1( bBadQuantize, endPoint_q[1], prec, transformed );
+        
+        start_unquantize( endPoint_q, prec, transformed );
+        
+        unquantize( endPoint_q[0], prec.x );
+        unquantize( endPoint_q[1], prec.x );
+        
+        float error = 0;
+        for ( uint j = 0; j < 16; j ++ )
+        {
+            uint3 pixel_rh;
+            if ((bit >> j) & 1)
+            {
+                float dotProduct = dot( span[1], shared_temp[threadBase + j].pixel_ph - endPoint[1][0] );// fixed a bug in v0.2
+                uint index = ( span_norm_sqr[1] <= 0 || dotProduct <= 0 ) ? 0
+                        : ( ( dotProduct < span_norm_sqr[1] ) ? aStep1[ uint( dotProduct * 63.49999 / span_norm_sqr[1] ) ] : aStep1[63] );
+                generate_palette_unquantized8( pixel_rh, endPoint_q[1][0], endPoint_q[1][1], index );
+            }
+            else
+            {
+                float dotProduct = dot( span[0], shared_temp[threadBase + j].pixel_ph - endPoint[0][0] );// fixed a bug in v0.2
+                uint index = ( span_norm_sqr[0] <= 0 || dotProduct <= 0 ) ? 0
+                        : ( ( dotProduct < span_norm_sqr[0] ) ? aStep1[ uint( dotProduct * 63.49999 / span_norm_sqr[0] ) ] : aStep1[63] );
+                generate_palette_unquantized8( pixel_rh, endPoint_q[0][0], endPoint_q[0][1], index );
+            }
+
+            float3 pixel_r = half2float( pixel_rh );
+            pixel_r -= shared_temp[threadBase + j].pixel_hr;
+            error += dot(pixel_r, pixel_r);
+        }
+        if ( bBadQuantize )
+            error = 1e20f;
+
+        shared_temp[GI].error = error;
+        shared_temp[GI].best_mode = candidateModeFlag[g_mode_id];
+        shared_temp[GI].best_partition = threadInBlock;
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+    
+    if (threadInBlock < 16)
+    {
+        if ( shared_temp[GI].error > shared_temp[GI + 16].error )
+        {
+            shared_temp[GI].error = shared_temp[GI + 16].error;
+            shared_temp[GI].best_mode = shared_temp[GI + 16].best_mode;
+            shared_temp[GI].best_partition = shared_temp[GI + 16].best_partition;
+        }
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+    if (threadInBlock < 8)
+    {
+        if ( shared_temp[GI].error > shared_temp[GI + 8].error )
+        {
+            shared_temp[GI].error = shared_temp[GI + 8].error;
+            shared_temp[GI].best_mode = shared_temp[GI + 8].best_mode;
+            shared_temp[GI].best_partition = shared_temp[GI + 8].best_partition;
+        }
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+    if (threadInBlock < 4)
+    {
+        if ( shared_temp[GI].error > shared_temp[GI + 4].error )
+        {
+            shared_temp[GI].error = shared_temp[GI + 4].error;
+            shared_temp[GI].best_mode = shared_temp[GI + 4].best_mode;
+            shared_temp[GI].best_partition = shared_temp[GI + 4].best_partition;
+        }
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+    if (threadInBlock < 2)
+    {
+        if ( shared_temp[GI].error > shared_temp[GI + 2].error )
+        {
+            shared_temp[GI].error = shared_temp[GI + 2].error;
+            shared_temp[GI].best_mode = shared_temp[GI + 2].best_mode;
+            shared_temp[GI].best_partition = shared_temp[GI + 2].best_partition;
+        }
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+    if (threadInBlock < 1)
+    {
+        if ( shared_temp[GI].error > shared_temp[GI + 1].error )
+        {
+            shared_temp[GI].error = shared_temp[GI + 1].error;
+            shared_temp[GI].best_mode = shared_temp[GI + 1].best_mode;
+            shared_temp[GI].best_partition = shared_temp[GI + 1].best_partition;
+        }
+        
+        if (asfloat(g_InBuff[blockID].x) > shared_temp[GI].error)
+        {
+            g_OutBuff[blockID] = uint4(asuint(shared_temp[GI].error), shared_temp[GI].best_mode, shared_temp[GI].best_partition, 0);
+        }
+        else
+        {
+            g_OutBuff[blockID] = g_InBuff[blockID];
+        }
+    }
+}
+
+[numthreads( THREAD_GROUP_SIZE, 1, 1 )]
+void EncodeBlockCS(uint GI : SV_GroupIndex, uint3 groupID : SV_GroupID)
+{
+    const uint MAX_USED_THREAD = 32;
+    uint BLOCK_IN_GROUP = THREAD_GROUP_SIZE / MAX_USED_THREAD;
+    uint blockInGroup = GI / MAX_USED_THREAD;
+    uint blockID = g_start_block_id + groupID.x * BLOCK_IN_GROUP + blockInGroup;
+    uint threadBase = blockInGroup * MAX_USED_THREAD;
+    uint threadInBlock = GI - threadBase;
+
+#ifndef REF_DEVICE
+    if (blockID >= g_num_total_blocks)
+    {
+        return;
+    }
+#endif
+
+    uint block_y = blockID / g_num_block_x;
+    uint block_x = blockID - block_y * g_num_block_x;
+    uint base_x = block_x * BLOCK_SIZE_X;
+    uint base_y = block_y * BLOCK_SIZE_Y;
+    
+    if (threadInBlock < 16)
+    {
+        shared_temp[GI].pixel = g_Input.Load( uint3( base_x + threadInBlock % 4, base_y + threadInBlock / 4, 0 ) ).rgb;
+        shared_temp[GI].pixel_lum = dot(shared_temp[GI].pixel, RGB2LUM);
+        uint3 pixel_h = float2half( shared_temp[GI].pixel );
+        shared_temp[GI].pixel_ph = start_quantize( pixel_h );
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+    
+    uint best_mode = g_InBuff[blockID].y;
+    uint best_partition = g_InBuff[blockID].z;
+    
+    uint4 block = 0;
+
+    if (threadInBlock < 32)
+    {
+        int2x3 endPoint;
+        endPoint[0] = MAX_INT;
+        endPoint[1] = MIN_INT;
+
+        float2 endPoint_lum;
+        endPoint_lum[0] = MAX_FLOAT;
+        endPoint_lum[1] = MIN_FLOAT;
+        
+        int2 endPoint_lum_index;
+        endPoint_lum_index[0] = -1;
+        endPoint_lum_index[1] = -1;
+
+        int3 pixel_ph = shared_temp[threadBase + (threadInBlock & 0xF)].pixel_ph;
+        float pixel_lum = shared_temp[threadBase + (threadInBlock & 0xF)].pixel_lum;
+        if (threadInBlock < 16)
+        {
+            if (best_mode > 10)
+            {
+                endPoint[0] = endPoint[1] = pixel_ph;
+                endPoint_lum[0] = endPoint_lum[1] = pixel_lum;
+            }
+            else
+            {
+                uint bits = candidateSectionBit[best_partition];
+                if (0 == ((bits >> threadInBlock) & 1))
+                {
+                    endPoint[0] = endPoint[1] = pixel_ph;
+                    endPoint_lum[0] = endPoint_lum[1] = pixel_lum;
+                }
+            }
+        }
+        else
+        {
+            if (best_mode <= 10)
+            {
+                uint bits = candidateSectionBit[best_partition];
+                if (1 == ((bits >> (threadInBlock & 0xF)) & 1))
+                {
+                    endPoint[0] = endPoint[1] = pixel_ph;
+                    endPoint_lum[0] = endPoint_lum[1] = pixel_lum;
+                }
+            }
+        }
+
+        shared_temp[GI].endPoint_low = endPoint[0];
+        shared_temp[GI].endPoint_high = endPoint[1];
+        
+        shared_temp[GI].endPoint_lum_low = endPoint_lum[0];
+        shared_temp[GI].endPoint_lum_high = endPoint_lum[1];
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+    if ((threadInBlock & 0xF) < 8)
+    {
+        if (shared_temp[GI].endPoint_lum_low > shared_temp[GI + 8].endPoint_lum_low)
+        {
+            shared_temp[GI].endPoint_low = shared_temp[GI + 8].endPoint_low;
+            shared_temp[GI].endPoint_lum_low = shared_temp[GI + 8].endPoint_lum_low;
+        }
+        if (shared_temp[GI].endPoint_lum_high < shared_temp[GI + 8].endPoint_lum_high)
+        {
+            shared_temp[GI].endPoint_high = shared_temp[GI + 8].endPoint_high;
+            shared_temp[GI].endPoint_lum_high = shared_temp[GI + 8].endPoint_lum_high;
+        }
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+    if ((threadInBlock & 0xF) < 4)
+    {
+        if (shared_temp[GI].endPoint_lum_low > shared_temp[GI + 4].endPoint_lum_low)
+        {
+            shared_temp[GI].endPoint_low = shared_temp[GI + 4].endPoint_low;
+            shared_temp[GI].endPoint_lum_low = shared_temp[GI + 4].endPoint_lum_low;
+        }
+        if (shared_temp[GI].endPoint_lum_high < shared_temp[GI + 4].endPoint_lum_high)
+        {
+            shared_temp[GI].endPoint_high = shared_temp[GI + 4].endPoint_high;
+            shared_temp[GI].endPoint_lum_high = shared_temp[GI + 4].endPoint_lum_high;
+        }
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+    if ((threadInBlock & 0xF) < 2)
+    {
+        if (shared_temp[GI].endPoint_lum_low > shared_temp[GI + 2].endPoint_lum_low)
+        {
+            shared_temp[GI].endPoint_low = shared_temp[GI + 2].endPoint_low;
+            shared_temp[GI].endPoint_lum_low = shared_temp[GI + 2].endPoint_lum_low;
+        }
+        if (shared_temp[GI].endPoint_lum_high < shared_temp[GI + 2].endPoint_lum_high)
+        {
+            shared_temp[GI].endPoint_high = shared_temp[GI + 2].endPoint_high;
+            shared_temp[GI].endPoint_lum_high = shared_temp[GI + 2].endPoint_lum_high;
+        }
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+    if ((threadInBlock & 0xF) < 1)
+    {
+        if (shared_temp[GI].endPoint_lum_low > shared_temp[GI + 1].endPoint_lum_low)
+        {
+            shared_temp[GI].endPoint_low = shared_temp[GI + 1].endPoint_low;
+            shared_temp[GI].endPoint_lum_low = shared_temp[GI + 1].endPoint_lum_low;
+        }
+        if (shared_temp[GI].endPoint_lum_high < shared_temp[GI + 1].endPoint_lum_high)
+        {
+            shared_temp[GI].endPoint_high = shared_temp[GI + 1].endPoint_high;
+            shared_temp[GI].endPoint_lum_high = shared_temp[GI + 1].endPoint_lum_high;
+        }
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+
+    if (threadInBlock < 2)
+    {
+        // find_axis
+        int2x3 endPoint;
+        endPoint[0] = shared_temp[threadBase + threadInBlock * 16].endPoint_low;
+        endPoint[1] = shared_temp[threadBase + threadInBlock * 16].endPoint_high;
+
+        uint fixup = 0;
+        if ((1 == threadInBlock) && (best_mode <= 10))
+        {
+            fixup = candidateFixUpIndex1D[best_partition];
+        }
+        
+        float3 span = endPoint[1] - endPoint[0];
+        float span_norm_sqr = dot( span, span );
+        float dotProduct = dot( span, shared_temp[threadBase + fixup].pixel_ph - endPoint[0] );
+        if ( span_norm_sqr > 0 && dotProduct >= 0 && uint( dotProduct * 63.49999 / span_norm_sqr ) > 32 )
+        {
+            swap(endPoint[0], endPoint[1]);
+        }
+
+        shared_temp[GI].endPoint_low = endPoint[0];
+        shared_temp[GI].endPoint_high = endPoint[1];
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+    
+    if (threadInBlock < 16)
+    {
+        uint bits;
+        if (best_mode > 10)
+        {
+            bits = 0;
+        }
+        else
+        {
+            bits = candidateSectionBit[best_partition];
+        }
+
+        float3 span;
+        float dotProduct;
+        if ((bits >> threadInBlock) & 1)
+        {
+            span = shared_temp[threadBase + 1].endPoint_high - shared_temp[threadBase + 1].endPoint_low;
+            dotProduct = dot( span, shared_temp[threadBase + threadInBlock].pixel_ph - shared_temp[threadBase + 1].endPoint_low );
+        }
+        else
+        {
+            span = shared_temp[threadBase + 0].endPoint_high - shared_temp[threadBase + 0].endPoint_low;
+            dotProduct = dot( span, shared_temp[threadBase + threadInBlock].pixel_ph - shared_temp[threadBase + 0].endPoint_low );
+        }
+        float span_norm_sqr = dot( span, span );
+
+        if (best_mode > 10)
+        {
+            uint index = ( span_norm_sqr <= 0 || dotProduct <= 0 ) ? 0
+                    : ( ( dotProduct < span_norm_sqr ) ? aStep2[ uint( dotProduct * 63.49999 / span_norm_sqr ) ] : aStep2[63] );
+            if (threadInBlock == 0)
+            {
+                block.z |= index << 1;
+            }
+            else if (threadInBlock < 8)
+            {
+                block.z |= index << (threadInBlock * 4);
+            }
+            else
+            {
+                block.w |= index << ((threadInBlock - 8) * 4);
+            }
+        }
+        else
+        {
+            uint index = ( span_norm_sqr <= 0 || dotProduct <= 0 ) ? 0
+                    : ( ( dotProduct < span_norm_sqr ) ? aStep1[ uint( dotProduct * 63.49999 / span_norm_sqr ) ] : aStep1[63] );
+
+            uint fixup = candidateFixUpIndex1D[best_partition];
+            int2 offset = int2((fixup != 2), (fixup == 15));
+
+            if (threadInBlock == 0)
+            {
+                block.z |= index << 18;
+            }
+            else if (threadInBlock < 3)
+            {
+                block.z |= index << (20 + (threadInBlock - 1) * 3);
+            }
+            else if (threadInBlock < 5)
+            {
+                block.z |= index << (25 + (threadInBlock - 3) * 3 + offset.x);
+            }
+            else if (threadInBlock == 5)
+            {
+                block.w |= index >> !offset.x;
+                if (!offset.x)
+                {
+                    block.z |= index << 31;
+                }
+            }
+            else if (threadInBlock < 9)
+            {
+                block.w |= index << (2 + (threadInBlock - 6) * 3 + offset.x);
+            }
+            else
+            {
+                block.w |= index << (11 + (threadInBlock - 9) * 3 + offset.y);
+            }
+        }
+        
+        shared_temp[GI].pixel_hr.xy = asfloat(block.zw);
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+    if (threadInBlock < 8)
+    {
+        shared_temp[GI].pixel_hr.xy = asfloat(asuint(shared_temp[GI].pixel_hr.xy) | asuint(shared_temp[GI + 8].pixel_hr.xy));
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+    if (threadInBlock < 4)
+    {
+        shared_temp[GI].pixel_hr.xy = asfloat(asuint(shared_temp[GI].pixel_hr.xy) | asuint(shared_temp[GI + 4].pixel_hr.xy));
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+    if (threadInBlock < 2)
+    {
+        shared_temp[GI].pixel_hr.xy = asfloat(asuint(shared_temp[GI].pixel_hr.xy) | asuint(shared_temp[GI + 2].pixel_hr.xy));
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+    if (threadInBlock < 1)
+    {
+        shared_temp[GI].pixel_hr.xy = asfloat(asuint(shared_temp[GI].pixel_hr.xy) | asuint(shared_temp[GI + 1].pixel_hr.xy));
+        
+        block.zw = asuint(shared_temp[GI].pixel_hr.xy);
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+
+    bool transformed = candidateModeTransformed[best_mode - 1];
+    uint4 prec = candidateModePrec[best_mode - 1];
+    if (threadInBlock == 2)
+    {
+        int2x3 endPoint_q;
+        endPoint_q[0] = shared_temp[threadBase + 0].endPoint_low;
+        endPoint_q[1] = shared_temp[threadBase + 0].endPoint_high;
+
+        quantize( endPoint_q, prec.x );
+        if (transformed)
+        {
+            endPoint_q[1] -= endPoint_q[0];
+        }
+
+        shared_temp[GI].endPoint_low = endPoint_q[0];
+        shared_temp[GI].endPoint_high = endPoint_q[1];
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+    if (threadInBlock == 3)
+    {
+        int3 ep0 = shared_temp[threadBase + 2].endPoint_low;
+        int2x3 endPoint_q;
+        endPoint_q[0] = shared_temp[threadBase + 1].endPoint_low;
+        endPoint_q[1] = shared_temp[threadBase + 1].endPoint_high;
+
+        if (best_mode <= 10)
+        {
+            quantize( endPoint_q, prec.x );
+            if (transformed)
+            {
+                endPoint_q[0] -= ep0;
+                endPoint_q[1] -= ep0;
+            }
+
+            shared_temp[GI].endPoint_low = endPoint_q[0];
+            shared_temp[GI].endPoint_high = endPoint_q[1];
+        }
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+
+    if (threadInBlock < 2)
+    {
+        int2x3 endPoint_q;
+        endPoint_q[0] = shared_temp[threadBase + threadInBlock + 2].endPoint_low;
+        endPoint_q[1] = shared_temp[threadBase + threadInBlock + 2].endPoint_high;
+
+        int bBadQuantize = 0;
+        if (threadInBlock == 0)
+        {
+            if (best_mode > 10)
+            {
+                finish_quantize( bBadQuantize, endPoint_q, prec, transformed );
+            }
+            else
+            {
+                finish_quantize_0( bBadQuantize, endPoint_q, prec, transformed );
+            }
+        }
+        else // if (threadInBlock == 1)
+        {
+            if (best_mode <= 10)
+            {
+                finish_quantize_1( bBadQuantize, endPoint_q, prec, transformed );
+            }
+        }
+
+        shared_temp[GI].endPoint_low = endPoint_q[0];
+        shared_temp[GI].endPoint_high = endPoint_q[1];
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+    
+    if ( threadInBlock == 0 )
+    {
+        int2x3 endPoint_q[2];
+        endPoint_q[0][0] = shared_temp[threadBase + 0].endPoint_low;
+        endPoint_q[0][1] = shared_temp[threadBase + 0].endPoint_high;
+        endPoint_q[1][0] = shared_temp[threadBase + 1].endPoint_low;
+        endPoint_q[1][1] = shared_temp[threadBase + 1].endPoint_high;
+
+        if ( best_mode > 10 )
+        {
+            block_package( block, endPoint_q[0], best_mode );
+        }
+        else
+        {
+            block_package( block, endPoint_q, best_mode, best_partition );
+        }
+        
+        g_OutBuff[blockID] = block;
+    }
+}
+
+uint float2half1( float f )
+{
+    uint Result;
+
+    uint IValue = asuint(f);
+    uint Sign = (IValue & 0x80000000U) >> 16U;
+    IValue = IValue & 0x7FFFFFFFU;
+    
+    if (IValue > 0x47FFEFFFU)
+    {
+        // The number is too large to be represented as a half.  Saturate to infinity.
+        Result = 0x7FFFU;
+    }
+    else
+    {
+        if (IValue < 0x38800000U)
+        {
+            // The number is too small to be represented as a normalized half.
+            // Convert it to a denormalized value.
+            uint Shift = 113U - (IValue >> 23U);
+            IValue = (0x800000U | (IValue & 0x7FFFFFU)) >> Shift;
+        }
+        else
+        {
+            // Rebias the exponent to represent the value as a normalized half.
+            IValue += 0xC8000000U;
+        }
+
+        Result = ((IValue + 0x0FFFU + ((IValue >> 13U) & 1U)) >> 13U)&0x7FFFU; 
+    }
+    return (Result|Sign);
+}
+
+uint3 float2half( float3 endPoint_f )
+{
+    //uint3 sign = asuint(endPoint_f) & 0x80000000;
+    //uint3 expo = asuint(endPoint_f) & 0x7F800000;
+    //uint3 base = asuint(endPoint_f) & 0x007FFFFF;
+    //return ( expo < 0x33800000 ) ? 0 
+    //                    //0x33800000 indicating 2^-24, which is minimal denormalized number that half can present 
+    //    : ( ( expo < 0x38800000 ) ? ( sign >> 16 ) | ( ( base + 0x00800000 ) >> ( 23 - ( ( expo - 0x33800000 ) >> 23 ) ) )//fixed a bug in v0.2
+    //                    //0x38800000 indicating 2^-14, which is minimal normalized number that half can present, so need to use denormalized half presentation
+    //    : ( ( expo == 0x7F800000 || expo > 0x47000000 ) ? ( ( sign >> 16 ) | 0x7bff )
+    //                    // treat NaN as INF, treat INF (including NaN) as the maximum/minimum number that half can present
+    //                    // 0x47000000 indicating 2^15, which is maximum exponent that half can present, so cut to 0x7bff which is the maximum half number
+    //    : ( ( sign >> 16 ) | ( ( ( expo - 0x38000000 ) | base ) >> 13 ) ) ) );
+
+
+    return uint3( float2half1( endPoint_f.x ), float2half1( endPoint_f.y ), float2half1( endPoint_f.z ) );
+}
+int3 start_quantize( uint3 pixel_h )
+{
+    if ( g_format == UNSIGNED_F16 )
+    {
+        return asint( ( pixel_h << 6 ) / 31 );
+    }
+    else
+    {
+        return ( pixel_h < 0x8000 ) ? ( ( pixel_h == 0x7bff ) ? 0x7fff : asint( ( pixel_h << 5 ) / 31 ) )// fixed a bug in v0.2
+            : ( ( pixel_h == 0x7bff ) ? 0xffff8001 : -asint( ( ( 0x00007fff & pixel_h ) << 5 ) / 31 ) );// fixed a bug in v0.2
+    }
+}
+void quantize( inout int2x3 endPoint, uint prec )
+{
+    int iprec = asint( prec );
+    if ( g_format == UNSIGNED_F16 )
+    {
+        endPoint = ( ( iprec >= 15 ) | ( endPoint == 0 ) ) ? endPoint
+            : ( ( endPoint == asint(0xFFFF) ) ? ( ( 1 << iprec ) - 1 )
+            : ( ( ( endPoint << iprec ) + asint(0x0000) ) >> 16 ) );
+    }
+    else
+    {
+        endPoint = ( ( iprec >= 16 ) | ( endPoint == 0 ) ) ? endPoint
+            : ( ( endPoint >= 0 ) ? ( ( endPoint == asint(0x7FFF) ) ? ( ( 1 << ( iprec - 1 ) ) - 1 ) : ( ( ( endPoint << ( iprec - 1 ) ) + asint(0x0000) ) >> 15 ) ) 
+            : ( ( -endPoint == asint(0x7FFF) ) ? -( ( 1 << ( iprec - 1 ) ) - 1 ) : -( ( ( -endPoint << ( iprec - 1 ) ) + asint(0x0000) ) >> 15 ) ) );
+    }
+}
+void finish_quantize_0( inout int bBadQuantize, inout int2x3 endPoint, uint4 prec, bool transformed )
+{
+    if ( transformed )
+    {
+        bool3 bBadComponent = ( endPoint[1] >= 0 ) ? ( endPoint[1] >= ( 1 << ( prec.yzw - 1 ) ) )
+            : ( -endPoint[1] > ( 1 << ( prec.yzw - 1 ) ) );
+        bBadQuantize |= any(bBadComponent);
+
+        endPoint[0] = endPoint[0] & ( ( 1 << prec.x ) - 1 );
+        endPoint[1] = ( endPoint[1] >= 0 ) ? ( ( endPoint[1] >= ( 1 << ( prec.yzw - 1 ) ) ) ? ( ( 1 << ( prec.yzw - 1 ) ) - 1 ) : endPoint[1] )
+            : ( ( -endPoint[1] > ( 1 << ( prec.yzw - 1 ) ) ) ? ( 1 << ( prec.yzw - 1 ) ) : ( endPoint[1] & ( ( 1 << prec.yzw ) - 1 ) ) );
+    }
+    else
+    {
+        endPoint &= ( ( 1 << prec.x ) - 1 );
+    }
+}
+void finish_quantize_1( inout int bBadQuantize, inout int2x3 endPoint, uint4 prec, bool transformed )
+{
+    if ( transformed )
+    {
+        bool2x3 bBadComponent;
+        bBadComponent[0] = ( endPoint[0] >= 0 ) ? ( endPoint[0] >= ( 1 << ( prec.yzw - 1 ) ) )
+            : ( -endPoint[0] > ( 1 << ( prec.yzw - 1 ) ) );
+        bBadComponent[1] = ( endPoint[1] >= 0 ) ? ( endPoint[1] >= ( 1 << ( prec.yzw - 1 ) ) )
+            : ( -endPoint[1] > ( 1 << ( prec.yzw - 1 ) ) );
+        bBadQuantize |= any(bBadComponent);
+
+        endPoint[0] = ( endPoint[0] >= 0 ) ? ( ( endPoint[0] >= ( 1 << ( prec.yzw - 1 ) ) ) ? ( ( 1 << ( prec.yzw - 1 ) ) - 1 ) : endPoint[0] )
+            : ( ( -endPoint[0] > ( 1 << ( prec.yzw - 1 ) ) ) ? ( 1 << ( prec.yzw - 1 ) ) : ( endPoint[0] & ( ( 1 << prec.yzw ) - 1 ) ) );
+        endPoint[1] = ( endPoint[1] >= 0 ) ? ( ( endPoint[1] >= ( 1 << ( prec.yzw - 1 ) ) ) ? ( ( 1 << ( prec.yzw - 1 ) ) - 1 ) : endPoint[1] )
+            : ( ( -endPoint[1] > ( 1 << ( prec.yzw - 1 ) ) ) ? ( 1 << ( prec.yzw - 1 ) ) : ( endPoint[1] & ( ( 1 << prec.yzw ) - 1 ) ) );
+    }
+    else
+    {
+        endPoint &= ( ( 1 << prec.x ) - 1 );
+    }
+}
+void finish_quantize( out bool bBadQuantize, inout int2x3 endPoint, uint4 prec, bool transformed )
+{
+    if ( transformed )
+    {
+        bool3 bBadComponent;
+        bBadComponent = ( endPoint[1] >= 0 ) ? ( endPoint[1] >= ( 1 << ( prec.yzw - 1 ) ) )
+            : ( -endPoint[1] > ( 1 << ( prec.yzw - 1 ) ) );
+        bBadQuantize = any( bBadComponent );
+
+        endPoint[0] = endPoint[0] & ( ( 1 << prec.x ) - 1 );
+        endPoint[1] = ( endPoint[1] >= 0 ) ? ( ( endPoint[1] >= ( 1 << ( prec.yzw - 1 ) ) ) ? ( ( 1 << ( prec.yzw - 1 ) ) - 1 ) : endPoint[1] )
+            : ( ( -endPoint[1] > ( 1 << ( prec.yzw - 1 ) ) ) ? ( 1 << ( prec.yzw - 1 ) ) : ( endPoint[1] & ( ( 1 << prec.yzw ) - 1 ) ) );            
+    }
+    else
+    {
+        endPoint &= ( ( 1 << prec.x ) - 1 );
+        
+        bBadQuantize = 0;
+    }
+}
+
+void SIGN_EXTEND( uint3 prec, inout int3 color )
+{
+    uint3 p = 1 << (prec - 1);
+    color = (color & p) ? (color & (p - 1)) - p : color;
+}
+
+void sign_extend( bool transformed, uint4 prec, inout int2x3 endPoint )
+{
+    if ( g_format == SIGNED_F16 )
+        SIGN_EXTEND( prec.x, endPoint[0] );
+    if ( g_format == SIGNED_F16 || transformed )
+        SIGN_EXTEND( prec.yzw, endPoint[1] );
+}
+
+void sign_extend( bool transformed, uint4 prec, inout int2x3 endPoint[2] )
+{
+    if ( g_format == SIGNED_F16 )
+        SIGN_EXTEND( prec.x, endPoint[0][0] );
+    if ( g_format == SIGNED_F16 || transformed )
+    {
+        SIGN_EXTEND( prec.yzw, endPoint[0][1] );
+        SIGN_EXTEND( prec.yzw, endPoint[1][0] );
+        SIGN_EXTEND( prec.yzw, endPoint[1][1] );
+    }
+}
+void start_unquantize( inout int2x3 endPoint[2], uint4 prec, bool transformed )
+{
+    sign_extend( transformed, prec, endPoint );
+    if ( transformed )
+    {
+        endPoint[0][1] += endPoint[0][0];
+        endPoint[1][0] += endPoint[0][0];
+        endPoint[1][1] += endPoint[0][0];
+    }
+}
+void start_unquantize( inout int2x3 endPoint, uint4 prec, bool transformed )
+{
+    sign_extend( transformed, prec, endPoint );
+    if ( transformed )
+        endPoint[1] += endPoint[0];
+}
+void unquantize( inout int2x3 color, uint prec )
+{
+    int iprec = asint( prec );
+    if (g_format == UNSIGNED_F16 )
+    {
+        if (prec < 15)
+        {
+            color = (color != 0) ? (color == ((1 << iprec) - 1) ? 0xFFFF : (((color << 16) + 0x8000) >> iprec)) : color;
+        }
+    }
+    else
+    {
+        if (prec < 16)
+        {
+            uint2x3 s = color >= 0 ? 0 : 1;
+            color = abs(color);
+            color = (color != 0) ? (color >= ((1 << (iprec - 1)) - 1) ? 0x7FFF : (((color << 15) + 0x4000) >> (iprec - 1))) : color;
+            color = s > 0 ? -color : color;
+        }
+    }
+}
+uint3 finish_unquantize( int3 color )
+{
+    if ( g_format == UNSIGNED_F16 )
+        color = ( color * 31 ) >> 6;
+    else
+    {
+        color = ( color < 0 ) ? -( ( -color * 31 ) >> 5 ) : ( color * 31 ) >> 5;
+        color = ( color < 0 ) ? ( ( -color ) | 0x8000 ) : color;
+    }
+    return asuint(color);
+}
+void generate_palette_unquantized8( out uint3 palette, int3 low, int3 high, int i )
+{
+    static const int aWeight3[] = {0, 9, 18, 27, 37, 46, 55, 64};
+    
+    int3 tmp = ( low * ( 64 - aWeight3[i] ) + high * aWeight3[i] + 32 ) >> 6;
+    palette = finish_unquantize( tmp );
+}
+void generate_palette_unquantized16( out uint3 palette, int3 low, int3 high, int i )
+{
+    static const int aWeight4[] = {0, 4, 9, 13, 17, 21, 26, 30, 34, 38, 43, 47, 51, 55, 60, 64};
+    
+    int3 tmp = ( low * ( 64 - aWeight4[i] ) + high * aWeight4[i] + 32 ) >> 6;
+    palette = finish_unquantize( tmp );
+}
+
+float half2float1( uint Value )
+{
+    uint Mantissa = (uint)(Value & 0x03FF);
+
+    uint Exponent;
+    if ((Value & 0x7C00) != 0)  // The value is normalized
+    {
+        Exponent = (uint)((Value >> 10) & 0x1F);
+    }
+    else if (Mantissa != 0)     // The value is denormalized
+    {
+        // Normalize the value in the resulting float
+        Exponent = 1;
+
+        do
+        {
+            Exponent--;
+            Mantissa <<= 1;
+        } while ((Mantissa & 0x0400) == 0);
+
+        Mantissa &= 0x03FF;
+    }
+    else                        // The value is zero
+    {
+        Exponent = (uint)(-112);
+    }
+
+    uint Result = ((Value & 0x8000) << 16) | // Sign
+                      ((Exponent + 112) << 23) | // Exponent
+                      (Mantissa << 13);          // Mantissa
+
+    return asfloat(Result);
+}
+
+float3 half2float(uint3 color_h )
+{
+    //uint3 sign = color_h & 0x8000;
+    //uint3 expo = color_h & 0x7C00;
+    //uint3 base = color_h & 0x03FF;
+    //return ( expo == 0 ) ? asfloat( ( sign << 16 ) | asuint( float3(base) / 16777216 ) ) //16777216 = 2^24
+    //    : asfloat( ( sign << 16 ) | ( ( ( expo + 0x1C000 ) | base ) << 13 ) ); //0x1C000 = 0x1FC00 - 0x3C00
+
+    return float3( half2float1( color_h.x ), half2float1( color_h.y ), half2float1( color_h.z ) );
+}
+
+void block_package( inout uint4 block, int2x3 endPoint[2], uint mode_type, uint partition_index ) // for mode 1 - 10
+{
+    block.xy = 0;
+    block.z &= 0xFFFC0000;
+    
+    //block.z |= (partition_index & 0x1f) << 13;
+    
+    if ( mode_type == candidateModeFlag[0])
+    {
+        /*block.x = candidateModeMemory[0];
+        block.x |= ( ( endPoint[0][0].r << 5 ) & 0x00007FE0 ) | ( ( endPoint[0][0].g << 15 ) & 0x01FF8000 ) | ( ( endPoint[0][0].b << 25 ) & 0xFE000000 );
+        block.x |= ( endPoint[1][0].g >> 2 ) & 0x00000004;
+        block.x |= ( endPoint[1][0].b >> 1 ) & 0x00000008;
+        block.x |= endPoint[1][1].b & 0x00000010;
+        block.y |= ( ( endPoint[0][0].b >> 7 ) & 0x00000007 );
+        block.y |= ( ( endPoint[0][1].r << 3 ) & 0x000000F8 ) | ( ( endPoint[0][1].g << 13 ) & 0x0003E000 ) | ( ( endPoint[0][1].b << 23 ) & 0x0F800000 );
+        block.yz |= ( endPoint[1][0].gr << uint2(9, 1) ) & uint2(0x00001E00, 0x0000003E);
+        block.y |= ( endPoint[1][0].b << 29 ) & 0xE0000000;
+        block.y |= ( ( endPoint[1][1].g << 4 ) & 0x00000100 );
+        block.yz |= ( endPoint[1][1].gr << uint2(19, 7) ) & uint2(0x00780000, 0x00000F80);
+        block.yz |= ( ( endPoint[1][1].b << uint2(27, 9) ) & uint2(0x10000000, 0x00001000) ) | ( ( endPoint[1][1].b << uint2(18, 4) ) & uint2(0x00040000, 0x00000040) );
+        block.z |= ( endPoint[1][0].b >> 3 ) & 0x00000001;*/
+
+        block.x |= ((candidateModeMemory[0] >> 0) & 1) << 0;
+        block.x |= ((candidateModeMemory[0] >> 1) & 1) << 1;
+        block.x |= ((endPoint[1][0].g >> 4) & 1) << 2;
+        block.x |= ((endPoint[1][0].b >> 4) & 1) << 3;
+        block.x |= ((endPoint[1][1].b >> 4) & 1) << 4;
+        block.x |= ((endPoint[0][0].r >> 0) & 1) << 5;
+        block.x |= ((endPoint[0][0].r >> 1) & 1) << 6;
+        block.x |= ((endPoint[0][0].r >> 2) & 1) << 7;
+        block.x |= ((endPoint[0][0].r >> 3) & 1) << 8;
+        block.x |= ((endPoint[0][0].r >> 4) & 1) << 9;
+        block.x |= ((endPoint[0][0].r >> 5) & 1) << 10;
+        block.x |= ((endPoint[0][0].r >> 6) & 1) << 11;
+        block.x |= ((endPoint[0][0].r >> 7) & 1) << 12;
+        block.x |= ((endPoint[0][0].r >> 8) & 1) << 13;
+        block.x |= ((endPoint[0][0].r >> 9) & 1) << 14;
+        block.x |= ((endPoint[0][0].g >> 0) & 1) << 15;
+        block.x |= ((endPoint[0][0].g >> 1) & 1) << 16;
+        block.x |= ((endPoint[0][0].g >> 2) & 1) << 17;
+        block.x |= ((endPoint[0][0].g >> 3) & 1) << 18;
+        block.x |= ((endPoint[0][0].g >> 4) & 1) << 19;
+        block.x |= ((endPoint[0][0].g >> 5) & 1) << 20;
+        block.x |= ((endPoint[0][0].g >> 6) & 1) << 21;
+        block.x |= ((endPoint[0][0].g >> 7) & 1) << 22;
+        block.x |= ((endPoint[0][0].g >> 8) & 1) << 23;
+        block.x |= ((endPoint[0][0].g >> 9) & 1) << 24;
+        block.x |= ((endPoint[0][0].b >> 0) & 1) << 25;
+        block.x |= ((endPoint[0][0].b >> 1) & 1) << 26;
+        block.x |= ((endPoint[0][0].b >> 2) & 1) << 27;
+        block.x |= ((endPoint[0][0].b >> 3) & 1) << 28;
+        block.x |= ((endPoint[0][0].b >> 4) & 1) << 29;
+        block.x |= ((endPoint[0][0].b >> 5) & 1) << 30;
+        block.x |= ((endPoint[0][0].b >> 6) & 1) << 31;
+        block.y |= ((endPoint[0][0].b >> 7) & 1) << 0;
+        block.y |= ((endPoint[0][0].b >> 8) & 1) << 1;
+        block.y |= ((endPoint[0][0].b >> 9) & 1) << 2;
+        block.y |= ((endPoint[0][1].r >> 0) & 1) << 3;
+        block.y |= ((endPoint[0][1].r >> 1) & 1) << 4;
+        block.y |= ((endPoint[0][1].r >> 2) & 1) << 5;
+        block.y |= ((endPoint[0][1].r >> 3) & 1) << 6;
+        block.y |= ((endPoint[0][1].r >> 4) & 1) << 7;
+        block.y |= ((endPoint[1][1].g >> 4) & 1) << 8;
+        block.y |= ((endPoint[1][0].g >> 0) & 1) << 9;
+        block.y |= ((endPoint[1][0].g >> 1) & 1) << 10;
+        block.y |= ((endPoint[1][0].g >> 2) & 1) << 11;
+        block.y |= ((endPoint[1][0].g >> 3) & 1) << 12;
+        block.y |= ((endPoint[0][1].g >> 0) & 1) << 13;
+        block.y |= ((endPoint[0][1].g >> 1) & 1) << 14;
+        block.y |= ((endPoint[0][1].g >> 2) & 1) << 15;
+        block.y |= ((endPoint[0][1].g >> 3) & 1) << 16;
+        block.y |= ((endPoint[0][1].g >> 4) & 1) << 17;
+        block.y |= ((endPoint[1][1].b >> 0) & 1) << 18;
+        block.y |= ((endPoint[1][1].g >> 0) & 1) << 19;
+        block.y |= ((endPoint[1][1].g >> 1) & 1) << 20;
+        block.y |= ((endPoint[1][1].g >> 2) & 1) << 21;
+        block.y |= ((endPoint[1][1].g >> 3) & 1) << 22;
+        block.y |= ((endPoint[0][1].b >> 0) & 1) << 23;
+        block.y |= ((endPoint[0][1].b >> 1) & 1) << 24;
+        block.y |= ((endPoint[0][1].b >> 2) & 1) << 25;
+        block.y |= ((endPoint[0][1].b >> 3) & 1) << 26;
+        block.y |= ((endPoint[0][1].b >> 4) & 1) << 27;
+        block.y |= ((endPoint[1][1].b >> 1) & 1) << 28;
+        block.y |= ((endPoint[1][0].b >> 0) & 1) << 29;
+        block.y |= ((endPoint[1][0].b >> 1) & 1) << 30;
+        block.y |= ((endPoint[1][0].b >> 2) & 1) << 31;
+        block.z |= ((endPoint[1][0].b >> 3) & 1) << 0;
+        block.z |= ((endPoint[1][0].r >> 0) & 1) << 1;
+        block.z |= ((endPoint[1][0].r >> 1) & 1) << 2;
+        block.z |= ((endPoint[1][0].r >> 2) & 1) << 3;
+        block.z |= ((endPoint[1][0].r >> 3) & 1) << 4;
+        block.z |= ((endPoint[1][0].r >> 4) & 1) << 5;
+        block.z |= ((endPoint[1][1].b >> 2) & 1) << 6;
+        block.z |= ((endPoint[1][1].r >> 0) & 1) << 7;
+        block.z |= ((endPoint[1][1].r >> 1) & 1) << 8;
+        block.z |= ((endPoint[1][1].r >> 2) & 1) << 9;
+        block.z |= ((endPoint[1][1].r >> 3) & 1) << 10;
+        block.z |= ((endPoint[1][1].r >> 4) & 1) << 11;
+        block.z |= ((endPoint[1][1].b >> 3) & 1) << 12;
+        block.z |= ((partition_index >> 0) & 1) << 13;
+        block.z |= ((partition_index >> 1) & 1) << 14;
+        block.z |= ((partition_index >> 2) & 1) << 15;
+        block.z |= ((partition_index >> 3) & 1) << 16;
+        block.z |= ((partition_index >> 4) & 1) << 17;
+    }
+    else if ( mode_type == candidateModeFlag[1])
+    {
+        /*block.x = candidateModeMemory[1];
+        block.x |= ( ( endPoint[0][0].r << 5 ) & 0x00000FE0 ) | ( ( endPoint[0][0].g << 15 ) & 0x003F8000 ) | ( ( endPoint[0][0].b << 25 ) & 0xFE000000 );
+        block.y |= ( ( endPoint[0][1].r << 3 ) & 0x000001F8 ) | ( ( endPoint[0][1].g << 13 ) & 0x0007E000 ) | ( ( endPoint[0][1].b << 23 ) & 0x1F800000 );
+        block.x |= ( ( endPoint[1][0].g >> 3 ) & 0x00000004 ) | ( ( endPoint[1][0].g << 20 ) & 0x01000000 );
+        block.x |= ( endPoint[1][1].g >> 1 ) & 0x00000018;
+        block.x |= ( ( endPoint[1][1].b << 21 ) & 0x00800000 ) | ( ( endPoint[1][1].b << 12 ) & 0x00003000 );
+        block.x |= ( ( endPoint[1][0].b << 17 ) & 0x00400000 ) | ( ( endPoint[1][0].b << 10 ) & 0x00004000 );
+        block.yz |= ( endPoint[1][0].gr << uint2(9, 1) ) & uint2(0x00001E00, 0x0000007E);
+        block.y |= ( endPoint[1][0].b << 29 ) & 0xE0000000;
+        block.yz |= ( endPoint[1][1].gr << uint2(19, 7) ) & uint2(0x00780000, 0x00001F80);
+        block.y |= ( ( endPoint[1][1].b >> 4 ) & 0x00000002 ) | ( ( endPoint[1][1].b >> 2 ) & 0x00000004 ) | ( ( endPoint[1][1].b >> 3 ) & 0x00000001 );
+        block.z |= ( endPoint[1][0].b >> 3 ) & 0x00000001;*/
+
+        block.x |= ((candidateModeMemory[1] >> 0) & 1) << 0;
+        block.x |= ((candidateModeMemory[1] >> 1) & 1) << 1;
+        block.x |= ((endPoint[1][0].g >> 5) & 1) << 2;
+        block.x |= ((endPoint[1][1].g >> 4) & 1) << 3;
+        block.x |= ((endPoint[1][1].g >> 5) & 1) << 4;
+        block.x |= ((endPoint[0][0].r >> 0) & 1) << 5;
+        block.x |= ((endPoint[0][0].r >> 1) & 1) << 6;
+        block.x |= ((endPoint[0][0].r >> 2) & 1) << 7;
+        block.x |= ((endPoint[0][0].r >> 3) & 1) << 8;
+        block.x |= ((endPoint[0][0].r >> 4) & 1) << 9;
+        block.x |= ((endPoint[0][0].r >> 5) & 1) << 10;
+        block.x |= ((endPoint[0][0].r >> 6) & 1) << 11;
+        block.x |= ((endPoint[1][1].b >> 0) & 1) << 12;
+        block.x |= ((endPoint[1][1].b >> 1) & 1) << 13;
+        block.x |= ((endPoint[1][0].b >> 4) & 1) << 14;
+        block.x |= ((endPoint[0][0].g >> 0) & 1) << 15;
+        block.x |= ((endPoint[0][0].g >> 1) & 1) << 16;
+        block.x |= ((endPoint[0][0].g >> 2) & 1) << 17;
+        block.x |= ((endPoint[0][0].g >> 3) & 1) << 18;
+        block.x |= ((endPoint[0][0].g >> 4) & 1) << 19;
+        block.x |= ((endPoint[0][0].g >> 5) & 1) << 20;
+        block.x |= ((endPoint[0][0].g >> 6) & 1) << 21;
+        block.x |= ((endPoint[1][0].b >> 5) & 1) << 22;
+        block.x |= ((endPoint[1][1].b >> 2) & 1) << 23;
+        block.x |= ((endPoint[1][0].g >> 4) & 1) << 24;
+        block.x |= ((endPoint[0][0].b >> 0) & 1) << 25;
+        block.x |= ((endPoint[0][0].b >> 1) & 1) << 26;
+        block.x |= ((endPoint[0][0].b >> 2) & 1) << 27;
+        block.x |= ((endPoint[0][0].b >> 3) & 1) << 28;
+        block.x |= ((endPoint[0][0].b >> 4) & 1) << 29;
+        block.x |= ((endPoint[0][0].b >> 5) & 1) << 30;
+        block.x |= ((endPoint[0][0].b >> 6) & 1) << 31;
+        block.y |= ((endPoint[1][1].b >> 3) & 1) << 0;
+        block.y |= ((endPoint[1][1].b >> 5) & 1) << 1;
+        block.y |= ((endPoint[1][1].b >> 4) & 1) << 2;
+        block.y |= ((endPoint[0][1].r >> 0) & 1) << 3;
+        block.y |= ((endPoint[0][1].r >> 1) & 1) << 4;
+        block.y |= ((endPoint[0][1].r >> 2) & 1) << 5;
+        block.y |= ((endPoint[0][1].r >> 3) & 1) << 6;
+        block.y |= ((endPoint[0][1].r >> 4) & 1) << 7;
+        block.y |= ((endPoint[0][1].r >> 5) & 1) << 8;
+        block.y |= ((endPoint[1][0].g >> 0) & 1) << 9;
+        block.y |= ((endPoint[1][0].g >> 1) & 1) << 10;
+        block.y |= ((endPoint[1][0].g >> 2) & 1) << 11;
+        block.y |= ((endPoint[1][0].g >> 3) & 1) << 12;
+        block.y |= ((endPoint[0][1].g >> 0) & 1) << 13;
+        block.y |= ((endPoint[0][1].g >> 1) & 1) << 14;
+        block.y |= ((endPoint[0][1].g >> 2) & 1) << 15;
+        block.y |= ((endPoint[0][1].g >> 3) & 1) << 16;
+        block.y |= ((endPoint[0][1].g >> 4) & 1) << 17;
+        block.y |= ((endPoint[0][1].g >> 5) & 1) << 18;
+        block.y |= ((endPoint[1][1].g >> 0) & 1) << 19;
+        block.y |= ((endPoint[1][1].g >> 1) & 1) << 20;
+        block.y |= ((endPoint[1][1].g >> 2) & 1) << 21;
+        block.y |= ((endPoint[1][1].g >> 3) & 1) << 22;
+        block.y |= ((endPoint[0][1].b >> 0) & 1) << 23;
+        block.y |= ((endPoint[0][1].b >> 1) & 1) << 24;
+        block.y |= ((endPoint[0][1].b >> 2) & 1) << 25;
+        block.y |= ((endPoint[0][1].b >> 3) & 1) << 26;
+        block.y |= ((endPoint[0][1].b >> 4) & 1) << 27;
+        block.y |= ((endPoint[0][1].b >> 5) & 1) << 28;
+        block.y |= ((endPoint[1][0].b >> 0) & 1) << 29;
+        block.y |= ((endPoint[1][0].b >> 1) & 1) << 30;
+        block.y |= ((endPoint[1][0].b >> 2) & 1) << 31;
+        block.z |= ((endPoint[1][0].b >> 3) & 1) << 0;
+        block.z |= ((endPoint[1][0].r >> 0) & 1) << 1;
+        block.z |= ((endPoint[1][0].r >> 1) & 1) << 2;
+        block.z |= ((endPoint[1][0].r >> 2) & 1) << 3;
+        block.z |= ((endPoint[1][0].r >> 3) & 1) << 4;
+        block.z |= ((endPoint[1][0].r >> 4) & 1) << 5;
+        block.z |= ((endPoint[1][0].r >> 5) & 1) << 6;
+        block.z |= ((endPoint[1][1].r >> 0) & 1) << 7;
+        block.z |= ((endPoint[1][1].r >> 1) & 1) << 8;
+        block.z |= ((endPoint[1][1].r >> 2) & 1) << 9;
+        block.z |= ((endPoint[1][1].r >> 3) & 1) << 10;
+        block.z |= ((endPoint[1][1].r >> 4) & 1) << 11;
+        block.z |= ((endPoint[1][1].r >> 5) & 1) << 12;
+        block.z |= ((partition_index >> 0) & 1) << 13;
+        block.z |= ((partition_index >> 1) & 1) << 14;
+        block.z |= ((partition_index >> 2) & 1) << 15;
+        block.z |= ((partition_index >> 3) & 1) << 16;
+        block.z |= ((partition_index >> 4) & 1) << 17;
+    }
+    else if ( mode_type == candidateModeFlag[2])
+    {
+        /*block.x = candidateModeMemory[2];
+        block.x |= ( ( endPoint[0][0].r << 5 ) & 0x00007FE0 ) | ( ( endPoint[0][0].g << 15 ) & 0x01FF8000 ) | ( ( endPoint[0][0].b << 25 ) & 0xFE000000 );
+        block.y |= ( endPoint[0][0].r >> 2 ) & 0x00000100;
+        block.y |= ( endPoint[0][0].g << 7 ) & 0x00020000;
+        block.y |= ( ( endPoint[0][0].b << 17 ) & 0x08000000 ) | ( ( endPoint[0][0].b >> 7 ) & 0x00000007 );
+        block.y |= ( ( endPoint[0][1].r << 3 ) & 0x000000F8 ) | ( ( endPoint[0][1].g << 13 ) & 0x0001E000 ) | ( ( endPoint[0][1].b << 23 ) & 0x07800000 );
+        block.yz |= ( endPoint[1][0].gr << uint2(9, 1) ) & uint2(0x00001E00, 0x0000003E);
+        block.y |= ( endPoint[1][0].b << 29 ) & 0xE0000000;
+        block.yz |= ( endPoint[1][1].gr << uint2(19, 7) ) & uint2(0x00780000, 0x00000F80);
+        block.yz |= ( ( endPoint[1][1].b << uint2(27, 9) ) & uint2(0x10000000, 0x00001000) ) | ( ( endPoint[1][1].b << uint2(18, 4) ) & uint2(0x00040000, 0x00000040) );
+        block.z |= ( endPoint[1][0].b >> 3 ) & 0x00000001;*/
+
+        block.x |= ((candidateModeMemory[2] >> 0) & 1) << 0;
+        block.x |= ((candidateModeMemory[2] >> 1) & 1) << 1;
+        block.x |= ((candidateModeMemory[2] >> 2) & 1) << 2;
+        block.x |= ((candidateModeMemory[2] >> 3) & 1) << 3;
+        block.x |= ((candidateModeMemory[2] >> 4) & 1) << 4;
+        block.x |= ((endPoint[0][0].r >> 0) & 1) << 5;
+        block.x |= ((endPoint[0][0].r >> 1) & 1) << 6;
+        block.x |= ((endPoint[0][0].r >> 2) & 1) << 7;
+        block.x |= ((endPoint[0][0].r >> 3) & 1) << 8;
+        block.x |= ((endPoint[0][0].r >> 4) & 1) << 9;
+        block.x |= ((endPoint[0][0].r >> 5) & 1) << 10;
+        block.x |= ((endPoint[0][0].r >> 6) & 1) << 11;
+        block.x |= ((endPoint[0][0].r >> 7) & 1) << 12;
+        block.x |= ((endPoint[0][0].r >> 8) & 1) << 13;
+        block.x |= ((endPoint[0][0].r >> 9) & 1) << 14;
+        block.x |= ((endPoint[0][0].g >> 0) & 1) << 15;
+        block.x |= ((endPoint[0][0].g >> 1) & 1) << 16;
+        block.x |= ((endPoint[0][0].g >> 2) & 1) << 17;
+        block.x |= ((endPoint[0][0].g >> 3) & 1) << 18;
+        block.x |= ((endPoint[0][0].g >> 4) & 1) << 19;
+        block.x |= ((endPoint[0][0].g >> 5) & 1) << 20;
+        block.x |= ((endPoint[0][0].g >> 6) & 1) << 21;
+        block.x |= ((endPoint[0][0].g >> 7) & 1) << 22;
+        block.x |= ((endPoint[0][0].g >> 8) & 1) << 23;
+        block.x |= ((endPoint[0][0].g >> 9) & 1) << 24;
+        block.x |= ((endPoint[0][0].b >> 0) & 1) << 25;
+        block.x |= ((endPoint[0][0].b >> 1) & 1) << 26;
+        block.x |= ((endPoint[0][0].b >> 2) & 1) << 27;
+        block.x |= ((endPoint[0][0].b >> 3) & 1) << 28;
+        block.x |= ((endPoint[0][0].b >> 4) & 1) << 29;
+        block.x |= ((endPoint[0][0].b >> 5) & 1) << 30;
+        block.x |= ((endPoint[0][0].b >> 6) & 1) << 31;
+        block.y |= ((endPoint[0][0].b >> 7) & 1) << 0;
+        block.y |= ((endPoint[0][0].b >> 8) & 1) << 1;
+        block.y |= ((endPoint[0][0].b >> 9) & 1) << 2;
+        block.y |= ((endPoint[0][1].r >> 0) & 1) << 3;
+        block.y |= ((endPoint[0][1].r >> 1) & 1) << 4;
+        block.y |= ((endPoint[0][1].r >> 2) & 1) << 5;
+        block.y |= ((endPoint[0][1].r >> 3) & 1) << 6;
+        block.y |= ((endPoint[0][1].r >> 4) & 1) << 7;
+        block.y |= ((endPoint[0][0].r >> 10) & 1) << 8;
+        block.y |= ((endPoint[1][0].g >> 0) & 1) << 9;
+        block.y |= ((endPoint[1][0].g >> 1) & 1) << 10;
+        block.y |= ((endPoint[1][0].g >> 2) & 1) << 11;
+        block.y |= ((endPoint[1][0].g >> 3) & 1) << 12;
+        block.y |= ((endPoint[0][1].g >> 0) & 1) << 13;
+        block.y |= ((endPoint[0][1].g >> 1) & 1) << 14;
+        block.y |= ((endPoint[0][1].g >> 2) & 1) << 15;
+        block.y |= ((endPoint[0][1].g >> 3) & 1) << 16;
+        block.y |= ((endPoint[0][0].g >> 10) & 1) << 17;
+        block.y |= ((endPoint[1][1].b >> 0) & 1) << 18;
+        block.y |= ((endPoint[1][1].g >> 0) & 1) << 19;
+        block.y |= ((endPoint[1][1].g >> 1) & 1) << 20;
+        block.y |= ((endPoint[1][1].g >> 2) & 1) << 21;
+        block.y |= ((endPoint[1][1].g >> 3) & 1) << 22;
+        block.y |= ((endPoint[0][1].b >> 0) & 1) << 23;
+        block.y |= ((endPoint[0][1].b >> 1) & 1) << 24;
+        block.y |= ((endPoint[0][1].b >> 2) & 1) << 25;
+        block.y |= ((endPoint[0][1].b >> 3) & 1) << 26;
+        block.y |= ((endPoint[0][0].b >> 10) & 1) << 27;
+        block.y |= ((endPoint[1][1].b >> 1) & 1) << 28;
+        block.y |= ((endPoint[1][0].b >> 0) & 1) << 29;
+        block.y |= ((endPoint[1][0].b >> 1) & 1) << 30;
+        block.y |= ((endPoint[1][0].b >> 2) & 1) << 31;
+        block.z |= ((endPoint[1][0].b >> 3) & 1) << 0;
+        block.z |= ((endPoint[1][0].r >> 0) & 1) << 1;
+        block.z |= ((endPoint[1][0].r >> 1) & 1) << 2;
+        block.z |= ((endPoint[1][0].r >> 2) & 1) << 3;
+        block.z |= ((endPoint[1][0].r >> 3) & 1) << 4;
+        block.z |= ((endPoint[1][0].r >> 4) & 1) << 5;
+        block.z |= ((endPoint[1][1].b >> 2) & 1) << 6;
+        block.z |= ((endPoint[1][1].r >> 0) & 1) << 7;
+        block.z |= ((endPoint[1][1].r >> 1) & 1) << 8;
+        block.z |= ((endPoint[1][1].r >> 2) & 1) << 9;
+        block.z |= ((endPoint[1][1].r >> 3) & 1) << 10;
+        block.z |= ((endPoint[1][1].r >> 4) & 1) << 11;
+        block.z |= ((endPoint[1][1].b >> 3) & 1) << 12;
+        block.z |= ((partition_index >> 0) & 1) << 13;
+        block.z |= ((partition_index >> 1) & 1) << 14;
+        block.z |= ((partition_index >> 2) & 1) << 15;
+        block.z |= ((partition_index >> 3) & 1) << 16;
+        block.z |= ((partition_index >> 4) & 1) << 17;
+    }
+    else if ( mode_type == candidateModeFlag[3])
+    {
+        /*block.x = candidateModeMemory[3];
+        block.x |= ( ( endPoint[0][0].r << 5 ) & 0x00007FE0 ) | ( ( endPoint[0][0].g << 15 ) & 0x01FF8000 ) | ( ( endPoint[0][0].b << 25 ) & 0xFE000000 );
+        block.y |= ( endPoint[0][0].r >> 3 ) & 0x00000080;
+        block.y |= ( endPoint[0][0].g << 8 ) & 0x00040000;
+        block.y |= ( ( endPoint[0][0].b << 17 ) & 0x08000000 ) | ( ( endPoint[0][0].b >> 7 ) & 0x00000007 );
+        block.y |= ( ( endPoint[0][1].r << 3 ) & 0x00000078 ) | ( ( endPoint[0][1].g << 13 ) & 0x0003E000 ) | ( ( endPoint[0][1].b << 23 ) & 0x07800000 );
+        block.yz |= ( endPoint[1][0].gr << uint2(9, 1) ) & uint2(0x00001E00, 0x0000001E);
+        block.y |= ( endPoint[1][0].b << 29 ) & 0xE0000000;
+        block.y |= ( ( endPoint[1][1].g << 4 ) & 0x00000100 );
+        block.yz |= ( endPoint[1][1].gr << uint2(19, 7) ) & uint2(0x00780000, 0x00000780);
+        block.yz |= ( endPoint[1][1].b << uint2(27, 9) ) & uint2(0x10000000, 0x00001000);
+        block.z |= ( ( endPoint[1][0].g << 7 ) & 0x00000800 );
+        block.z |= ( endPoint[1][0].b >> 3 ) & 0x00000001;
+        block.z |= ( endPoint[1][1].b << 4 ) & 0x00000040;
+        block.z |= ( endPoint[1][1].b << 5 ) & 0x00000020;*/
+
+        block.x |= ((candidateModeMemory[3] >> 0) & 1) << 0;
+        block.x |= ((candidateModeMemory[3] >> 1) & 1) << 1;
+        block.x |= ((candidateModeMemory[3] >> 2) & 1) << 2;
+        block.x |= ((candidateModeMemory[3] >> 3) & 1) << 3;
+        block.x |= ((candidateModeMemory[3] >> 4) & 1) << 4;
+        block.x |= ((endPoint[0][0].r >> 0) & 1) << 5;
+        block.x |= ((endPoint[0][0].r >> 1) & 1) << 6;
+        block.x |= ((endPoint[0][0].r >> 2) & 1) << 7;
+        block.x |= ((endPoint[0][0].r >> 3) & 1) << 8;
+        block.x |= ((endPoint[0][0].r >> 4) & 1) << 9;
+        block.x |= ((endPoint[0][0].r >> 5) & 1) << 10;
+        block.x |= ((endPoint[0][0].r >> 6) & 1) << 11;
+        block.x |= ((endPoint[0][0].r >> 7) & 1) << 12;
+        block.x |= ((endPoint[0][0].r >> 8) & 1) << 13;
+        block.x |= ((endPoint[0][0].r >> 9) & 1) << 14;
+        block.x |= ((endPoint[0][0].g >> 0) & 1) << 15;
+        block.x |= ((endPoint[0][0].g >> 1) & 1) << 16;
+        block.x |= ((endPoint[0][0].g >> 2) & 1) << 17;
+        block.x |= ((endPoint[0][0].g >> 3) & 1) << 18;
+        block.x |= ((endPoint[0][0].g >> 4) & 1) << 19;
+        block.x |= ((endPoint[0][0].g >> 5) & 1) << 20;
+        block.x |= ((endPoint[0][0].g >> 6) & 1) << 21;
+        block.x |= ((endPoint[0][0].g >> 7) & 1) << 22;
+        block.x |= ((endPoint[0][0].g >> 8) & 1) << 23;
+        block.x |= ((endPoint[0][0].g >> 9) & 1) << 24;
+        block.x |= ((endPoint[0][0].b >> 0) & 1) << 25;
+        block.x |= ((endPoint[0][0].b >> 1) & 1) << 26;
+        block.x |= ((endPoint[0][0].b >> 2) & 1) << 27;
+        block.x |= ((endPoint[0][0].b >> 3) & 1) << 28;
+        block.x |= ((endPoint[0][0].b >> 4) & 1) << 29;
+        block.x |= ((endPoint[0][0].b >> 5) & 1) << 30;
+        block.x |= ((endPoint[0][0].b >> 6) & 1) << 31;
+        block.y |= ((endPoint[0][0].b >> 7) & 1) << 0;
+        block.y |= ((endPoint[0][0].b >> 8) & 1) << 1;
+        block.y |= ((endPoint[0][0].b >> 9) & 1) << 2;
+        block.y |= ((endPoint[0][1].r >> 0) & 1) << 3;
+        block.y |= ((endPoint[0][1].r >> 1) & 1) << 4;
+        block.y |= ((endPoint[0][1].r >> 2) & 1) << 5;
+        block.y |= ((endPoint[0][1].r >> 3) & 1) << 6;
+        block.y |= ((endPoint[0][0].r >> 10) & 1) << 7;
+        block.y |= ((endPoint[1][1].g >> 4) & 1) << 8;
+        block.y |= ((endPoint[1][0].g >> 0) & 1) << 9;
+        block.y |= ((endPoint[1][0].g >> 1) & 1) << 10;
+        block.y |= ((endPoint[1][0].g >> 2) & 1) << 11;
+        block.y |= ((endPoint[1][0].g >> 3) & 1) << 12;
+        block.y |= ((endPoint[0][1].g >> 0) & 1) << 13;
+        block.y |= ((endPoint[0][1].g >> 1) & 1) << 14;
+        block.y |= ((endPoint[0][1].g >> 2) & 1) << 15;
+        block.y |= ((endPoint[0][1].g >> 3) & 1) << 16;
+        block.y |= ((endPoint[0][1].g >> 4) & 1) << 17;
+        block.y |= ((endPoint[0][0].g >> 10) & 1) << 18;
+        block.y |= ((endPoint[1][1].g >> 0) & 1) << 19;
+        block.y |= ((endPoint[1][1].g >> 1) & 1) << 20;
+        block.y |= ((endPoint[1][1].g >> 2) & 1) << 21;
+        block.y |= ((endPoint[1][1].g >> 3) & 1) << 22;
+        block.y |= ((endPoint[0][1].b >> 0) & 1) << 23;
+        block.y |= ((endPoint[0][1].b >> 1) & 1) << 24;
+        block.y |= ((endPoint[0][1].b >> 2) & 1) << 25;
+        block.y |= ((endPoint[0][1].b >> 3) & 1) << 26;
+        block.y |= ((endPoint[0][0].b >> 10) & 1) << 27;
+        block.y |= ((endPoint[1][1].b >> 1) & 1) << 28;
+        block.y |= ((endPoint[1][0].b >> 0) & 1) << 29;
+        block.y |= ((endPoint[1][0].b >> 1) & 1) << 30;
+        block.y |= ((endPoint[1][0].b >> 2) & 1) << 31;
+        block.z |= ((endPoint[1][0].b >> 3) & 1) << 0;
+        block.z |= ((endPoint[1][0].r >> 0) & 1) << 1;
+        block.z |= ((endPoint[1][0].r >> 1) & 1) << 2;
+        block.z |= ((endPoint[1][0].r >> 2) & 1) << 3;
+        block.z |= ((endPoint[1][0].r >> 3) & 1) << 4;
+        block.z |= ((endPoint[1][1].b >> 0) & 1) << 5;
+        block.z |= ((endPoint[1][1].b >> 2) & 1) << 6;
+        block.z |= ((endPoint[1][1].r >> 0) & 1) << 7;
+        block.z |= ((endPoint[1][1].r >> 1) & 1) << 8;
+        block.z |= ((endPoint[1][1].r >> 2) & 1) << 9;
+        block.z |= ((endPoint[1][1].r >> 3) & 1) << 10;
+        block.z |= ((endPoint[1][0].g >> 4) & 1) << 11;
+        block.z |= ((endPoint[1][1].b >> 3) & 1) << 12;
+        block.z |= ((partition_index >> 0) & 1) << 13;
+        block.z |= ((partition_index >> 1) & 1) << 14;
+        block.z |= ((partition_index >> 2) & 1) << 15;
+        block.z |= ((partition_index >> 3) & 1) << 16;
+        block.z |= ((partition_index >> 4) & 1) << 17;
+    }
+    else if ( mode_type == candidateModeFlag[4])
+    {
+        /*block.x = candidateModeMemory[4];
+        block.x |= ( ( endPoint[0][0].r << 5 ) & 0x00007FE0 ) | ( ( endPoint[0][0].g << 15 ) & 0x01FF8000 ) | ( ( endPoint[0][0].b << 25 ) & 0xFE000000 );
+        block.y |= ( endPoint[0][0].r >> 3 ) & 0x00000080;
+        block.y |= ( endPoint[0][0].g << 7 ) & 0x00020000;
+        block.y |= ( ( endPoint[0][0].b << 18 ) & 0x10000000 ) | ( ( endPoint[0][0].b >> 7 ) & 0x00000007 );
+        block.y |= ( ( endPoint[0][1].r << 3 ) & 0x00000078 ) | ( ( endPoint[0][1].g << 13 ) & 0x0001E000 ) | ( ( endPoint[0][1].b << 23 ) & 0x0F800000 );
+        block.y |= ( ( endPoint[1][0].g << 9 ) & 0x00001E00 ) | ( ( endPoint[1][0].b << 4 ) & 0x00000100 );
+        block.y |= ( endPoint[1][0].b << 29 ) & 0xE0000000;
+        block.yz |= ( endPoint[1][1].gr << uint2(19, 7) ) & uint2(0x00780000, 0x00000780);
+        block.yz |= ( endPoint[1][1].b << uint2(18, 4) ) & uint2(0x00040000, 0x00000060);
+        block.z |= ( endPoint[1][0].r << 1 ) & 0x0000001E;
+        block.z |= ( endPoint[1][0].b >> 3 ) & 0x00000001;
+        block.z |= ( ( endPoint[1][1].b << 7 ) & 0x00000800 ) | ( ( endPoint[1][1].b << 9 ) & 0x00001000 );*/
+
+        block.x |= ((candidateModeMemory[4] >> 0) & 1) << 0;
+        block.x |= ((candidateModeMemory[4] >> 1) & 1) << 1;
+        block.x |= ((candidateModeMemory[4] >> 2) & 1) << 2;
+        block.x |= ((candidateModeMemory[4] >> 3) & 1) << 3;
+        block.x |= ((candidateModeMemory[4] >> 4) & 1) << 4;
+        block.x |= ((endPoint[0][0].r >> 0) & 1) << 5;
+        block.x |= ((endPoint[0][0].r >> 1) & 1) << 6;
+        block.x |= ((endPoint[0][0].r >> 2) & 1) << 7;
+        block.x |= ((endPoint[0][0].r >> 3) & 1) << 8;
+        block.x |= ((endPoint[0][0].r >> 4) & 1) << 9;
+        block.x |= ((endPoint[0][0].r >> 5) & 1) << 10;
+        block.x |= ((endPoint[0][0].r >> 6) & 1) << 11;
+        block.x |= ((endPoint[0][0].r >> 7) & 1) << 12;
+        block.x |= ((endPoint[0][0].r >> 8) & 1) << 13;
+        block.x |= ((endPoint[0][0].r >> 9) & 1) << 14;
+        block.x |= ((endPoint[0][0].g >> 0) & 1) << 15;
+        block.x |= ((endPoint[0][0].g >> 1) & 1) << 16;
+        block.x |= ((endPoint[0][0].g >> 2) & 1) << 17;
+        block.x |= ((endPoint[0][0].g >> 3) & 1) << 18;
+        block.x |= ((endPoint[0][0].g >> 4) & 1) << 19;
+        block.x |= ((endPoint[0][0].g >> 5) & 1) << 20;
+        block.x |= ((endPoint[0][0].g >> 6) & 1) << 21;
+        block.x |= ((endPoint[0][0].g >> 7) & 1) << 22;
+        block.x |= ((endPoint[0][0].g >> 8) & 1) << 23;
+        block.x |= ((endPoint[0][0].g >> 9) & 1) << 24;
+        block.x |= ((endPoint[0][0].b >> 0) & 1) << 25;
+        block.x |= ((endPoint[0][0].b >> 1) & 1) << 26;
+        block.x |= ((endPoint[0][0].b >> 2) & 1) << 27;
+        block.x |= ((endPoint[0][0].b >> 3) & 1) << 28;
+        block.x |= ((endPoint[0][0].b >> 4) & 1) << 29;
+        block.x |= ((endPoint[0][0].b >> 5) & 1) << 30;
+        block.x |= ((endPoint[0][0].b >> 6) & 1) << 31;
+        block.y |= ((endPoint[0][0].b >> 7) & 1) << 0;
+        block.y |= ((endPoint[0][0].b >> 8) & 1) << 1;
+        block.y |= ((endPoint[0][0].b >> 9) & 1) << 2;
+        block.y |= ((endPoint[0][1].r >> 0) & 1) << 3;
+        block.y |= ((endPoint[0][1].r >> 1) & 1) << 4;
+        block.y |= ((endPoint[0][1].r >> 2) & 1) << 5;
+        block.y |= ((endPoint[0][1].r >> 3) & 1) << 6;
+        block.y |= ((endPoint[0][0].r >> 10) & 1) << 7;
+        block.y |= ((endPoint[1][0].b >> 4) & 1) << 8;
+        block.y |= ((endPoint[1][0].g >> 0) & 1) << 9;
+        block.y |= ((endPoint[1][0].g >> 1) & 1) << 10;
+        block.y |= ((endPoint[1][0].g >> 2) & 1) << 11;
+        block.y |= ((endPoint[1][0].g >> 3) & 1) << 12;
+        block.y |= ((endPoint[0][1].g >> 0) & 1) << 13;
+        block.y |= ((endPoint[0][1].g >> 1) & 1) << 14;
+        block.y |= ((endPoint[0][1].g >> 2) & 1) << 15;
+        block.y |= ((endPoint[0][1].g >> 3) & 1) << 16;
+        block.y |= ((endPoint[0][0].g >> 10) & 1) << 17;
+        block.y |= ((endPoint[1][1].b >> 0) & 1) << 18;
+        block.y |= ((endPoint[1][1].g >> 0) & 1) << 19;
+        block.y |= ((endPoint[1][1].g >> 1) & 1) << 20;
+        block.y |= ((endPoint[1][1].g >> 2) & 1) << 21;
+        block.y |= ((endPoint[1][1].g >> 3) & 1) << 22;
+        block.y |= ((endPoint[0][1].b >> 0) & 1) << 23;
+        block.y |= ((endPoint[0][1].b >> 1) & 1) << 24;
+        block.y |= ((endPoint[0][1].b >> 2) & 1) << 25;
+        block.y |= ((endPoint[0][1].b >> 3) & 1) << 26;
+        block.y |= ((endPoint[0][1].b >> 4) & 1) << 27;
+        block.y |= ((endPoint[0][0].b >> 10) & 1) << 28;
+        block.y |= ((endPoint[1][0].b >> 0) & 1) << 29;
+        block.y |= ((endPoint[1][0].b >> 1) & 1) << 30;
+        block.y |= ((endPoint[1][0].b >> 2) & 1) << 31;
+        block.z |= ((endPoint[1][0].b >> 3) & 1) << 0;
+        block.z |= ((endPoint[1][0].r >> 0) & 1) << 1;
+        block.z |= ((endPoint[1][0].r >> 1) & 1) << 2;
+        block.z |= ((endPoint[1][0].r >> 2) & 1) << 3;
+        block.z |= ((endPoint[1][0].r >> 3) & 1) << 4;
+        block.z |= ((endPoint[1][1].b >> 1) & 1) << 5;
+        block.z |= ((endPoint[1][1].b >> 2) & 1) << 6;
+        block.z |= ((endPoint[1][1].r >> 0) & 1) << 7;
+        block.z |= ((endPoint[1][1].r >> 1) & 1) << 8;
+        block.z |= ((endPoint[1][1].r >> 2) & 1) << 9;
+        block.z |= ((endPoint[1][1].r >> 3) & 1) << 10;
+        block.z |= ((endPoint[1][1].b >> 4) & 1) << 11;
+        block.z |= ((endPoint[1][1].b >> 3) & 1) << 12;
+        block.z |= ((partition_index >> 0) & 1) << 13;
+        block.z |= ((partition_index >> 1) & 1) << 14;
+        block.z |= ((partition_index >> 2) & 1) << 15;
+        block.z |= ((partition_index >> 3) & 1) << 16;
+        block.z |= ((partition_index >> 4) & 1) << 17;
+    }
+    else if ( mode_type == candidateModeFlag[5])
+    {
+        /*block.x = candidateModeMemory[5];
+        block.x |= ( ( endPoint[0][0].r << 5 ) & 0x00003FE0 ) | ( ( endPoint[0][0].g << 15 ) & 0x00FF8000 ) | ( ( endPoint[0][0].b << 25 ) & 0xFE000000);
+        block.y |= ( endPoint[0][0].b >> 7 ) & 0x00000003;
+        block.y |= ( ( endPoint[0][1].r << 3 ) & 0x000000F8 ) | ( ( endPoint[0][1].g << 13 ) & 0x0003E000 ) | ( ( endPoint[0][1].b << 23 ) & 0x0F800000 );
+        block.x |= ( ( endPoint[1][0].g << 20 ) & 0x01000000 ) | ( ( endPoint[1][0].b << 10 ) & 0x00004000 );
+        block.yz |= ( endPoint[1][0].gr << uint2(9, 1) ) & uint2(0x00001E00, 0x0000003E);
+        block.y |= ( endPoint[1][0].b << 29 ) & 0xE0000000;
+        block.y |= ( ( endPoint[1][1].g << 4 ) & 0x00000100 ) | ( ( endPoint[1][1].b >> 2 ) & 0x00000004 );
+        block.y |= ( ( endPoint[1][1].b << 27 ) & 0x10000000 );
+        block.yz |= ( endPoint[1][1].gr << uint2(19, 7) ) & uint2(0x00780000, 0x00000F80);
+        block.yz |= ( endPoint[1][1].b << uint2(18, 4) ) & uint2(0x00040000, 0x00000040);
+        block.z |= ( endPoint[1][0].b >> 3 ) & 0x00000001;
+        block.z |= ( ( endPoint[1][1].b << 9 ) & 0x00001000 );*/
+
+        block.x |= ((candidateModeMemory[5] >> 0) & 1) << 0;
+        block.x |= ((candidateModeMemory[5] >> 1) & 1) << 1;
+        block.x |= ((candidateModeMemory[5] >> 2) & 1) << 2;
+        block.x |= ((candidateModeMemory[5] >> 3) & 1) << 3;
+        block.x |= ((candidateModeMemory[5] >> 4) & 1) << 4;
+        block.x |= ((endPoint[0][0].r >> 0) & 1) << 5;
+        block.x |= ((endPoint[0][0].r >> 1) & 1) << 6;
+        block.x |= ((endPoint[0][0].r >> 2) & 1) << 7;
+        block.x |= ((endPoint[0][0].r >> 3) & 1) << 8;
+        block.x |= ((endPoint[0][0].r >> 4) & 1) << 9;
+        block.x |= ((endPoint[0][0].r >> 5) & 1) << 10;
+        block.x |= ((endPoint[0][0].r >> 6) & 1) << 11;
+        block.x |= ((endPoint[0][0].r >> 7) & 1) << 12;
+        block.x |= ((endPoint[0][0].r >> 8) & 1) << 13;
+        block.x |= ((endPoint[1][0].b >> 4) & 1) << 14;
+        block.x |= ((endPoint[0][0].g >> 0) & 1) << 15;
+        block.x |= ((endPoint[0][0].g >> 1) & 1) << 16;
+        block.x |= ((endPoint[0][0].g >> 2) & 1) << 17;
+        block.x |= ((endPoint[0][0].g >> 3) & 1) << 18;
+        block.x |= ((endPoint[0][0].g >> 4) & 1) << 19;
+        block.x |= ((endPoint[0][0].g >> 5) & 1) << 20;
+        block.x |= ((endPoint[0][0].g >> 6) & 1) << 21;
+        block.x |= ((endPoint[0][0].g >> 7) & 1) << 22;
+        block.x |= ((endPoint[0][0].g >> 8) & 1) << 23;
+        block.x |= ((endPoint[1][0].g >> 4) & 1) << 24;
+        block.x |= ((endPoint[0][0].b >> 0) & 1) << 25;
+        block.x |= ((endPoint[0][0].b >> 1) & 1) << 26;
+        block.x |= ((endPoint[0][0].b >> 2) & 1) << 27;
+        block.x |= ((endPoint[0][0].b >> 3) & 1) << 28;
+        block.x |= ((endPoint[0][0].b >> 4) & 1) << 29;
+        block.x |= ((endPoint[0][0].b >> 5) & 1) << 30;
+        block.x |= ((endPoint[0][0].b >> 6) & 1) << 31;
+        block.y |= ((endPoint[0][0].b >> 7) & 1) << 0;
+        block.y |= ((endPoint[0][0].b >> 8) & 1) << 1;
+        block.y |= ((endPoint[1][1].b >> 4) & 1) << 2;
+        block.y |= ((endPoint[0][1].r >> 0) & 1) << 3;
+        block.y |= ((endPoint[0][1].r >> 1) & 1) << 4;
+        block.y |= ((endPoint[0][1].r >> 2) & 1) << 5;
+        block.y |= ((endPoint[0][1].r >> 3) & 1) << 6;
+        block.y |= ((endPoint[0][1].r >> 4) & 1) << 7;
+        block.y |= ((endPoint[1][1].g >> 4) & 1) << 8;
+        block.y |= ((endPoint[1][0].g >> 0) & 1) << 9;
+        block.y |= ((endPoint[1][0].g >> 1) & 1) << 10;
+        block.y |= ((endPoint[1][0].g >> 2) & 1) << 11;
+        block.y |= ((endPoint[1][0].g >> 3) & 1) << 12;
+        block.y |= ((endPoint[0][1].g >> 0) & 1) << 13;
+        block.y |= ((endPoint[0][1].g >> 1) & 1) << 14;
+        block.y |= ((endPoint[0][1].g >> 2) & 1) << 15;
+        block.y |= ((endPoint[0][1].g >> 3) & 1) << 16;
+        block.y |= ((endPoint[0][1].g >> 4) & 1) << 17;
+        block.y |= ((endPoint[1][1].b >> 0) & 1) << 18;
+        block.y |= ((endPoint[1][1].g >> 0) & 1) << 19;
+        block.y |= ((endPoint[1][1].g >> 1) & 1) << 20;
+        block.y |= ((endPoint[1][1].g >> 2) & 1) << 21;
+        block.y |= ((endPoint[1][1].g >> 3) & 1) << 22;
+        block.y |= ((endPoint[0][1].b >> 0) & 1) << 23;
+        block.y |= ((endPoint[0][1].b >> 1) & 1) << 24;
+        block.y |= ((endPoint[0][1].b >> 2) & 1) << 25;
+        block.y |= ((endPoint[0][1].b >> 3) & 1) << 26;
+        block.y |= ((endPoint[0][1].b >> 4) & 1) << 27;
+        block.y |= ((endPoint[1][1].b >> 1) & 1) << 28;
+        block.y |= ((endPoint[1][0].b >> 0) & 1) << 29;
+        block.y |= ((endPoint[1][0].b >> 1) & 1) << 30;
+        block.y |= ((endPoint[1][0].b >> 2) & 1) << 31;
+        block.z |= ((endPoint[1][0].b >> 3) & 1) << 0;
+        block.z |= ((endPoint[1][0].r >> 0) & 1) << 1;
+        block.z |= ((endPoint[1][0].r >> 1) & 1) << 2;
+        block.z |= ((endPoint[1][0].r >> 2) & 1) << 3;
+        block.z |= ((endPoint[1][0].r >> 3) & 1) << 4;
+        block.z |= ((endPoint[1][0].r >> 4) & 1) << 5;
+        block.z |= ((endPoint[1][1].b >> 2) & 1) << 6;
+        block.z |= ((endPoint[1][1].r >> 0) & 1) << 7;
+        block.z |= ((endPoint[1][1].r >> 1) & 1) << 8;
+        block.z |= ((endPoint[1][1].r >> 2) & 1) << 9;
+        block.z |= ((endPoint[1][1].r >> 3) & 1) << 10;
+        block.z |= ((endPoint[1][1].r >> 4) & 1) << 11;
+        block.z |= ((endPoint[1][1].b >> 3) & 1) << 12;
+        block.z |= ((partition_index >> 0) & 1) << 13;
+        block.z |= ((partition_index >> 1) & 1) << 14;
+        block.z |= ((partition_index >> 2) & 1) << 15;
+        block.z |= ((partition_index >> 3) & 1) << 16;
+        block.z |= ((partition_index >> 4) & 1) << 17;
+    }
+    else if ( mode_type == candidateModeFlag[6])
+    {
+        /*block.x = candidateModeMemory[6];
+        block.x |= ( ( endPoint[0][0].r << 5 ) & 0x00001FE0 ) | ( ( endPoint[0][0].g << 15 ) & 0x007F8000 ) | ( ( endPoint[0][0].b << 25 ) & 0xFE000000 );
+        block.y |= ( endPoint[0][0].b >> 7 ) & 0x00000001;
+        block.y |= ( ( endPoint[0][1].r << 3 ) & 0x000001F8 ) | ( ( endPoint[0][1].g << 13 ) & 0x0003E000 ) | ( ( endPoint[0][1].b << 23 ) & 0x0F800000 );
+        block.x |= ( ( endPoint[1][0].g << 20 ) & 0x01000000 ) | ( ( endPoint[1][0].b << 10 ) & 0x00004000);
+        block.x |= ( ( endPoint[1][1].g << 9 ) & 0x00002000 ) | ( ( endPoint[1][1].b << 21 ) & 0x00800000);
+        block.yz |= ( endPoint[1][0].gr << uint2(9, 1) ) & uint2(0x00001E00, 0x0000007E);
+        block.y |= ( endPoint[1][0].b << 29 ) & 0xE0000000;
+        block.yz |= ( endPoint[1][1].gr << uint2(19, 7) ) & uint2(0x00780000, 0x00001F80);
+        block.y |= ( ( endPoint[1][1].b >> 2 ) & 0x00000006 );
+        block.y |= ( ( endPoint[1][1].b << 27 ) & 0x10000000 ) | ( ( endPoint[1][1].b << 18 ) & 0x00040000 );
+        block.z |= ( endPoint[1][0].b >> 3 ) & 0x00000001;*/
+
+        block.x |= ((candidateModeMemory[6] >> 0) & 1) << 0;
+        block.x |= ((candidateModeMemory[6] >> 1) & 1) << 1;
+        block.x |= ((candidateModeMemory[6] >> 2) & 1) << 2;
+        block.x |= ((candidateModeMemory[6] >> 3) & 1) << 3;
+        block.x |= ((candidateModeMemory[6] >> 4) & 1) << 4;
+        block.x |= ((endPoint[0][0].r >> 0) & 1) << 5;
+        block.x |= ((endPoint[0][0].r >> 1) & 1) << 6;
+        block.x |= ((endPoint[0][0].r >> 2) & 1) << 7;
+        block.x |= ((endPoint[0][0].r >> 3) & 1) << 8;
+        block.x |= ((endPoint[0][0].r >> 4) & 1) << 9;
+        block.x |= ((endPoint[0][0].r >> 5) & 1) << 10;
+        block.x |= ((endPoint[0][0].r >> 6) & 1) << 11;
+        block.x |= ((endPoint[0][0].r >> 7) & 1) << 12;
+        block.x |= ((endPoint[1][1].g >> 4) & 1) << 13;
+        block.x |= ((endPoint[1][0].b >> 4) & 1) << 14;
+        block.x |= ((endPoint[0][0].g >> 0) & 1) << 15;
+        block.x |= ((endPoint[0][0].g >> 1) & 1) << 16;
+        block.x |= ((endPoint[0][0].g >> 2) & 1) << 17;
+        block.x |= ((endPoint[0][0].g >> 3) & 1) << 18;
+        block.x |= ((endPoint[0][0].g >> 4) & 1) << 19;
+        block.x |= ((endPoint[0][0].g >> 5) & 1) << 20;
+        block.x |= ((endPoint[0][0].g >> 6) & 1) << 21;
+        block.x |= ((endPoint[0][0].g >> 7) & 1) << 22;
+        block.x |= ((endPoint[1][1].b >> 2) & 1) << 23;
+        block.x |= ((endPoint[1][0].g >> 4) & 1) << 24;
+        block.x |= ((endPoint[0][0].b >> 0) & 1) << 25;
+        block.x |= ((endPoint[0][0].b >> 1) & 1) << 26;
+        block.x |= ((endPoint[0][0].b >> 2) & 1) << 27;
+        block.x |= ((endPoint[0][0].b >> 3) & 1) << 28;
+        block.x |= ((endPoint[0][0].b >> 4) & 1) << 29;
+        block.x |= ((endPoint[0][0].b >> 5) & 1) << 30;
+        block.x |= ((endPoint[0][0].b >> 6) & 1) << 31;
+        block.y |= ((endPoint[0][0].b >> 7) & 1) << 0;
+        block.y |= ((endPoint[1][1].b >> 3) & 1) << 1;
+        block.y |= ((endPoint[1][1].b >> 4) & 1) << 2;
+        block.y |= ((endPoint[0][1].r >> 0) & 1) << 3;
+        block.y |= ((endPoint[0][1].r >> 1) & 1) << 4;
+        block.y |= ((endPoint[0][1].r >> 2) & 1) << 5;
+        block.y |= ((endPoint[0][1].r >> 3) & 1) << 6;
+        block.y |= ((endPoint[0][1].r >> 4) & 1) << 7;
+        block.y |= ((endPoint[0][1].r >> 5) & 1) << 8;
+        block.y |= ((endPoint[1][0].g >> 0) & 1) << 9;
+        block.y |= ((endPoint[1][0].g >> 1) & 1) << 10;
+        block.y |= ((endPoint[1][0].g >> 2) & 1) << 11;
+        block.y |= ((endPoint[1][0].g >> 3) & 1) << 12;
+        block.y |= ((endPoint[0][1].g >> 0) & 1) << 13;
+        block.y |= ((endPoint[0][1].g >> 1) & 1) << 14;
+        block.y |= ((endPoint[0][1].g >> 2) & 1) << 15;
+        block.y |= ((endPoint[0][1].g >> 3) & 1) << 16;
+        block.y |= ((endPoint[0][1].g >> 4) & 1) << 17;
+        block.y |= ((endPoint[1][1].b >> 0) & 1) << 18;
+        block.y |= ((endPoint[1][1].g >> 0) & 1) << 19;
+        block.y |= ((endPoint[1][1].g >> 1) & 1) << 20;
+        block.y |= ((endPoint[1][1].g >> 2) & 1) << 21;
+        block.y |= ((endPoint[1][1].g >> 3) & 1) << 22;
+        block.y |= ((endPoint[0][1].b >> 0) & 1) << 23;
+        block.y |= ((endPoint[0][1].b >> 1) & 1) << 24;
+        block.y |= ((endPoint[0][1].b >> 2) & 1) << 25;
+        block.y |= ((endPoint[0][1].b >> 3) & 1) << 26;
+        block.y |= ((endPoint[0][1].b >> 4) & 1) << 27;
+        block.y |= ((endPoint[1][1].b >> 1) & 1) << 28;
+        block.y |= ((endPoint[1][0].b >> 0) & 1) << 29;
+        block.y |= ((endPoint[1][0].b >> 1) & 1) << 30;
+        block.y |= ((endPoint[1][0].b >> 2) & 1) << 31;
+        block.z |= ((endPoint[1][0].b >> 3) & 1) << 0;
+        block.z |= ((endPoint[1][0].r >> 0) & 1) << 1;
+        block.z |= ((endPoint[1][0].r >> 1) & 1) << 2;
+        block.z |= ((endPoint[1][0].r >> 2) & 1) << 3;
+        block.z |= ((endPoint[1][0].r >> 3) & 1) << 4;
+        block.z |= ((endPoint[1][0].r >> 4) & 1) << 5;
+        block.z |= ((endPoint[1][0].r >> 5) & 1) << 6;
+        block.z |= ((endPoint[1][1].r >> 0) & 1) << 7;
+        block.z |= ((endPoint[1][1].r >> 1) & 1) << 8;
+        block.z |= ((endPoint[1][1].r >> 2) & 1) << 9;
+        block.z |= ((endPoint[1][1].r >> 3) & 1) << 10;
+        block.z |= ((endPoint[1][1].r >> 4) & 1) << 11;
+        block.z |= ((endPoint[1][1].r >> 5) & 1) << 12;
+        block.z |= ((partition_index >> 0) & 1) << 13;
+        block.z |= ((partition_index >> 1) & 1) << 14;
+        block.z |= ((partition_index >> 2) & 1) << 15;
+        block.z |= ((partition_index >> 3) & 1) << 16;
+        block.z |= ((partition_index >> 4) & 1) << 17;
+    }
+    else if ( mode_type == candidateModeFlag[7])
+    {
+        /*block.x = candidateModeMemory[7];
+        block.x |= ( ( endPoint[0][0].r << 5 ) & 0x00001FE0 ) | ( ( endPoint[0][0].g << 15 ) & 0x007F8000 ) | ( ( endPoint[0][0].b << 25 ) & 0xFE000000 );
+        block.y |= ( endPoint[0][0].b >> 7 ) & 0x00000001;
+        block.y |= ( ( endPoint[0][1].r << 3 ) & 0x000000F8 ) | ( ( endPoint[0][1].g << 13 ) & 0x0007E000 ) | ( ( endPoint[0][1].b << 23 ) & 0x0F800000 );
+        block.x |= ( ( endPoint[1][0].g << 20 ) & 0x01000000 ) | ( ( endPoint[1][0].b << 10 ) & 0x00004000 );
+        block.x |= ( ( endPoint[1][0].g << 18 ) & 0x00800000 );
+        block.x |= ( ( endPoint[1][1].b << 13 ) & 0x00002000 );
+        block.yz |= ( endPoint[1][0].gr << uint2(9, 1) ) & uint2(0x00001E00, 0x0000003E);
+        block.yz |= ( endPoint[1][1].gr << uint2(19, 7) ) & uint2(0x00780000, 0x00000F80);
+        block.y |= ( endPoint[1][0].b << 29 ) & 0xE0000000;
+        block.y |= ( ( endPoint[1][1].g >> 4 ) & 0x00000002 ) | ( ( endPoint[1][1].g << 4 ) & 0x00000100 ) | ( ( endPoint[1][1].b >> 2 ) & 0x00000004 );
+        block.y |= ( endPoint[1][1].b << 27 ) & 0x10000000;
+        block.z |= ( endPoint[1][0].b >> 3 ) & 0x00000001;
+        block.z |= ( ( endPoint[1][1].b << 9 ) & 0x00001000 ) | ( ( endPoint[1][1].b << 4 ) & 0x00000040 );*/
+
+        block.x |= ((candidateModeMemory[7] >> 0) & 1) << 0;
+        block.x |= ((candidateModeMemory[7] >> 1) & 1) << 1;
+        block.x |= ((candidateModeMemory[7] >> 2) & 1) << 2;
+        block.x |= ((candidateModeMemory[7] >> 3) & 1) << 3;
+        block.x |= ((candidateModeMemory[7] >> 4) & 1) << 4;
+        block.x |= ((endPoint[0][0].r >> 0) & 1) << 5;
+        block.x |= ((endPoint[0][0].r >> 1) & 1) << 6;
+        block.x |= ((endPoint[0][0].r >> 2) & 1) << 7;
+        block.x |= ((endPoint[0][0].r >> 3) & 1) << 8;
+        block.x |= ((endPoint[0][0].r >> 4) & 1) << 9;
+        block.x |= ((endPoint[0][0].r >> 5) & 1) << 10;
+        block.x |= ((endPoint[0][0].r >> 6) & 1) << 11;
+        block.x |= ((endPoint[0][0].r >> 7) & 1) << 12;
+        block.x |= ((endPoint[1][1].b >> 0) & 1) << 13;
+        block.x |= ((endPoint[1][0].b >> 4) & 1) << 14;
+        block.x |= ((endPoint[0][0].g >> 0) & 1) << 15;
+        block.x |= ((endPoint[0][0].g >> 1) & 1) << 16;
+        block.x |= ((endPoint[0][0].g >> 2) & 1) << 17;
+        block.x |= ((endPoint[0][0].g >> 3) & 1) << 18;
+        block.x |= ((endPoint[0][0].g >> 4) & 1) << 19;
+        block.x |= ((endPoint[0][0].g >> 5) & 1) << 20;
+        block.x |= ((endPoint[0][0].g >> 6) & 1) << 21;
+        block.x |= ((endPoint[0][0].g >> 7) & 1) << 22;
+        block.x |= ((endPoint[1][0].g >> 5) & 1) << 23;
+        block.x |= ((endPoint[1][0].g >> 4) & 1) << 24;
+        block.x |= ((endPoint[0][0].b >> 0) & 1) << 25;
+        block.x |= ((endPoint[0][0].b >> 1) & 1) << 26;
+        block.x |= ((endPoint[0][0].b >> 2) & 1) << 27;
+        block.x |= ((endPoint[0][0].b >> 3) & 1) << 28;
+        block.x |= ((endPoint[0][0].b >> 4) & 1) << 29;
+        block.x |= ((endPoint[0][0].b >> 5) & 1) << 30;
+        block.x |= ((endPoint[0][0].b >> 6) & 1) << 31;
+        block.y |= ((endPoint[0][0].b >> 7) & 1) << 0;
+        block.y |= ((endPoint[1][1].g >> 5) & 1) << 1;
+        block.y |= ((endPoint[1][1].b >> 4) & 1) << 2;
+        block.y |= ((endPoint[0][1].r >> 0) & 1) << 3;
+        block.y |= ((endPoint[0][1].r >> 1) & 1) << 4;
+        block.y |= ((endPoint[0][1].r >> 2) & 1) << 5;
+        block.y |= ((endPoint[0][1].r >> 3) & 1) << 6;
+        block.y |= ((endPoint[0][1].r >> 4) & 1) << 7;
+        block.y |= ((endPoint[1][1].g >> 4) & 1) << 8;
+        block.y |= ((endPoint[1][0].g >> 0) & 1) << 9;
+        block.y |= ((endPoint[1][0].g >> 1) & 1) << 10;
+        block.y |= ((endPoint[1][0].g >> 2) & 1) << 11;
+        block.y |= ((endPoint[1][0].g >> 3) & 1) << 12;
+        block.y |= ((endPoint[0][1].g >> 0) & 1) << 13;
+        block.y |= ((endPoint[0][1].g >> 1) & 1) << 14;
+        block.y |= ((endPoint[0][1].g >> 2) & 1) << 15;
+        block.y |= ((endPoint[0][1].g >> 3) & 1) << 16;
+        block.y |= ((endPoint[0][1].g >> 4) & 1) << 17;
+        block.y |= ((endPoint[0][1].g >> 5) & 1) << 18;
+        block.y |= ((endPoint[1][1].g >> 0) & 1) << 19;
+        block.y |= ((endPoint[1][1].g >> 1) & 1) << 20;
+        block.y |= ((endPoint[1][1].g >> 2) & 1) << 21;
+        block.y |= ((endPoint[1][1].g >> 3) & 1) << 22;
+        block.y |= ((endPoint[0][1].b >> 0) & 1) << 23;
+        block.y |= ((endPoint[0][1].b >> 1) & 1) << 24;
+        block.y |= ((endPoint[0][1].b >> 2) & 1) << 25;
+        block.y |= ((endPoint[0][1].b >> 3) & 1) << 26;
+        block.y |= ((endPoint[0][1].b >> 4) & 1) << 27;
+        block.y |= ((endPoint[1][1].b >> 1) & 1) << 28;
+        block.y |= ((endPoint[1][0].b >> 0) & 1) << 29;
+        block.y |= ((endPoint[1][0].b >> 1) & 1) << 30;
+        block.y |= ((endPoint[1][0].b >> 2) & 1) << 31;
+        block.z |= ((endPoint[1][0].b >> 3) & 1) << 0;
+        block.z |= ((endPoint[1][0].r >> 0) & 1) << 1;
+        block.z |= ((endPoint[1][0].r >> 1) & 1) << 2;
+        block.z |= ((endPoint[1][0].r >> 2) & 1) << 3;
+        block.z |= ((endPoint[1][0].r >> 3) & 1) << 4;
+        block.z |= ((endPoint[1][0].r >> 4) & 1) << 5;
+        block.z |= ((endPoint[1][1].b >> 2) & 1) << 6;
+        block.z |= ((endPoint[1][1].r >> 0) & 1) << 7;
+        block.z |= ((endPoint[1][1].r >> 1) & 1) << 8;
+        block.z |= ((endPoint[1][1].r >> 2) & 1) << 9;
+        block.z |= ((endPoint[1][1].r >> 3) & 1) << 10;
+        block.z |= ((endPoint[1][1].r >> 4) & 1) << 11;
+        block.z |= ((endPoint[1][1].b >> 3) & 1) << 12;
+        block.z |= ((partition_index >> 0) & 1) << 13;
+        block.z |= ((partition_index >> 1) & 1) << 14;
+        block.z |= ((partition_index >> 2) & 1) << 15;
+        block.z |= ((partition_index >> 3) & 1) << 16;
+        block.z |= ((partition_index >> 4) & 1) << 17;
+    }
+    else if ( mode_type == candidateModeFlag[8])
+    {
+        /*block.x = candidateModeMemory[8];
+        block.x |= ( ( endPoint[0][0].r << 5 ) & 0x00001FE0 ) | ( ( endPoint[0][0].g << 15 ) & 0x007F8000 ) | ( ( endPoint[0][0].b << 25 ) & 0xFE000000 );
+        block.y |= ( endPoint[0][0].b >> 7 ) & 0x00000001;
+        block.y |= ( ( endPoint[0][1].r << 3 ) & 0x000000F8 ) | ( ( endPoint[0][1].g << 13 ) & 0x0003E000 ) | ( ( endPoint[0][1].b << 23 ) & 0x1F800000 );
+        block.x |= ( ( endPoint[1][0].g << 20 ) & 0x01000000 ) | ( ( endPoint[1][0].b << 10 ) & 0x00004000 );
+        block.x |= ( ( endPoint[1][0].b << 18 ) & 0x00800000 );
+        block.x |= ( endPoint[1][1].b << 12 ) & 0x00002000;
+        block.y |= ( endPoint[1][0].b << 29 ) & 0xE0000000;
+        block.y |= ( ( endPoint[1][1].g << 4 ) & 0x00000100 ) | ( ( endPoint[1][1].b >> 4 ) & 0x00000002 ) | ( ( endPoint[1][1].b >> 2 ) & 0x00000004 );
+        block.yz |= ( endPoint[1][0].gr << uint2(9, 1) ) & uint2(0x00001E00, 0x0000003E);
+        block.yz |= ( endPoint[1][1].gr << uint2(19, 7) ) & uint2(0x00780000, 0x00000F80);
+        block.y |= ( endPoint[1][1].b << 18 ) & 0x00040000;
+        block.z |= ( endPoint[1][0].b >> 3 ) & 0x00000001;
+        block.z |= ( ( endPoint[1][1].b << 9 ) & 0x00001000 ) | ( ( endPoint[1][1].b << 4 ) & 0x00000040 );*/
+
+        block.x |= ((candidateModeMemory[8] >> 0) & 1) << 0;
+        block.x |= ((candidateModeMemory[8] >> 1) & 1) << 1;
+        block.x |= ((candidateModeMemory[8] >> 2) & 1) << 2;
+        block.x |= ((candidateModeMemory[8] >> 3) & 1) << 3;
+        block.x |= ((candidateModeMemory[8] >> 4) & 1) << 4;
+        block.x |= ((endPoint[0][0].r >> 0) & 1) << 5;
+        block.x |= ((endPoint[0][0].r >> 1) & 1) << 6;
+        block.x |= ((endPoint[0][0].r >> 2) & 1) << 7;
+        block.x |= ((endPoint[0][0].r >> 3) & 1) << 8;
+        block.x |= ((endPoint[0][0].r >> 4) & 1) << 9;
+        block.x |= ((endPoint[0][0].r >> 5) & 1) << 10;
+        block.x |= ((endPoint[0][0].r >> 6) & 1) << 11;
+        block.x |= ((endPoint[0][0].r >> 7) & 1) << 12;
+        block.x |= ((endPoint[1][1].b >> 1) & 1) << 13;
+        block.x |= ((endPoint[1][0].b >> 4) & 1) << 14;
+        block.x |= ((endPoint[0][0].g >> 0) & 1) << 15;
+        block.x |= ((endPoint[0][0].g >> 1) & 1) << 16;
+        block.x |= ((endPoint[0][0].g >> 2) & 1) << 17;
+        block.x |= ((endPoint[0][0].g >> 3) & 1) << 18;
+        block.x |= ((endPoint[0][0].g >> 4) & 1) << 19;
+        block.x |= ((endPoint[0][0].g >> 5) & 1) << 20;
+        block.x |= ((endPoint[0][0].g >> 6) & 1) << 21;
+        block.x |= ((endPoint[0][0].g >> 7) & 1) << 22;
+        block.x |= ((endPoint[1][0].b >> 5) & 1) << 23;
+        block.x |= ((endPoint[1][0].g >> 4) & 1) << 24;
+        block.x |= ((endPoint[0][0].b >> 0) & 1) << 25;
+        block.x |= ((endPoint[0][0].b >> 1) & 1) << 26;
+        block.x |= ((endPoint[0][0].b >> 2) & 1) << 27;
+        block.x |= ((endPoint[0][0].b >> 3) & 1) << 28;
+        block.x |= ((endPoint[0][0].b >> 4) & 1) << 29;
+        block.x |= ((endPoint[0][0].b >> 5) & 1) << 30;
+        block.x |= ((endPoint[0][0].b >> 6) & 1) << 31;
+        block.y |= ((endPoint[0][0].b >> 7) & 1) << 0;
+        block.y |= ((endPoint[1][1].b >> 5) & 1) << 1;
+        block.y |= ((endPoint[1][1].b >> 4) & 1) << 2;
+        block.y |= ((endPoint[0][1].r >> 0) & 1) << 3;
+        block.y |= ((endPoint[0][1].r >> 1) & 1) << 4;
+        block.y |= ((endPoint[0][1].r >> 2) & 1) << 5;
+        block.y |= ((endPoint[0][1].r >> 3) & 1) << 6;
+        block.y |= ((endPoint[0][1].r >> 4) & 1) << 7;
+        block.y |= ((endPoint[1][1].g >> 4) & 1) << 8;
+        block.y |= ((endPoint[1][0].g >> 0) & 1) << 9;
+        block.y |= ((endPoint[1][0].g >> 1) & 1) << 10;
+        block.y |= ((endPoint[1][0].g >> 2) & 1) << 11;
+        block.y |= ((endPoint[1][0].g >> 3) & 1) << 12;
+        block.y |= ((endPoint[0][1].g >> 0) & 1) << 13;
+        block.y |= ((endPoint[0][1].g >> 1) & 1) << 14;
+        block.y |= ((endPoint[0][1].g >> 2) & 1) << 15;
+        block.y |= ((endPoint[0][1].g >> 3) & 1) << 16;
+        block.y |= ((endPoint[0][1].g >> 4) & 1) << 17;
+        block.y |= ((endPoint[1][1].b >> 0) & 1) << 18;
+        block.y |= ((endPoint[1][1].g >> 0) & 1) << 19;
+        block.y |= ((endPoint[1][1].g >> 1) & 1) << 20;
+        block.y |= ((endPoint[1][1].g >> 2) & 1) << 21;
+        block.y |= ((endPoint[1][1].g >> 3) & 1) << 22;
+        block.y |= ((endPoint[0][1].b >> 0) & 1) << 23;
+        block.y |= ((endPoint[0][1].b >> 1) & 1) << 24;
+        block.y |= ((endPoint[0][1].b >> 2) & 1) << 25;
+        block.y |= ((endPoint[0][1].b >> 3) & 1) << 26;
+        block.y |= ((endPoint[0][1].b >> 4) & 1) << 27;
+        block.y |= ((endPoint[0][1].b >> 5) & 1) << 28;
+        block.y |= ((endPoint[1][0].b >> 0) & 1) << 29;
+        block.y |= ((endPoint[1][0].b >> 1) & 1) << 30;
+        block.y |= ((endPoint[1][0].b >> 2) & 1) << 31;
+        block.z |= ((endPoint[1][0].b >> 3) & 1) << 0;
+        block.z |= ((endPoint[1][0].r >> 0) & 1) << 1;
+        block.z |= ((endPoint[1][0].r >> 1) & 1) << 2;
+        block.z |= ((endPoint[1][0].r >> 2) & 1) << 3;
+        block.z |= ((endPoint[1][0].r >> 3) & 1) << 4;
+        block.z |= ((endPoint[1][0].r >> 4) & 1) << 5;
+        block.z |= ((endPoint[1][1].b >> 2) & 1) << 6;
+        block.z |= ((endPoint[1][1].r >> 0) & 1) << 7;
+        block.z |= ((endPoint[1][1].r >> 1) & 1) << 8;
+        block.z |= ((endPoint[1][1].r >> 2) & 1) << 9;
+        block.z |= ((endPoint[1][1].r >> 3) & 1) << 10;
+        block.z |= ((endPoint[1][1].r >> 4) & 1) << 11;
+        block.z |= ((endPoint[1][1].b >> 3) & 1) << 12;
+        block.z |= ((partition_index >> 0) & 1) << 13;
+        block.z |= ((partition_index >> 1) & 1) << 14;
+        block.z |= ((partition_index >> 2) & 1) << 15;
+        block.z |= ((partition_index >> 3) & 1) << 16;
+        block.z |= ((partition_index >> 4) & 1) << 17;
+    }
+    else if ( mode_type == candidateModeFlag[9])
+    {
+        /*block.x = candidateModeMemory[9];
+        block.x |= ( ( endPoint[0][0].r << 5 ) & 0x000007E0 ) | ( ( endPoint[0][0].g << 15 ) & 0x001F8000 ) | ( ( endPoint[0][0].b << 25 ) & 0x7E000000 );
+        block.y |= ( ( endPoint[0][1].r << 3 ) & 0x000001F8 ) | ( ( endPoint[0][1].g << 13 ) & 0x0007E000 ) | ( ( endPoint[0][1].b << 23 ) & 0x1F800000 );
+        block.x |= ( ( endPoint[1][0].g << 16 ) & 0x00200000 ) | ( ( endPoint[1][0].g << 20 ) & 0x01000000 );
+        block.x |= ( ( endPoint[1][0].b << 17 ) & 0x00400000 ) | ( ( endPoint[1][0].b << 10 ) & 0x00004000 );
+        block.x |= ( ( endPoint[1][1].b << 21 ) & 0x00800000 ) | ( ( endPoint[1][1].b << 12 ) & 0x00003000 );
+        block.x |= ( ( endPoint[1][1].g << 26 ) & 0x80000000 ) | ( ( endPoint[1][1].g << 7 ) & 0x00000800 );
+        block.yz |= ( endPoint[1][0].gr << uint2(9, 1) ) & uint2(0x00001E00, 0x0000007E);
+        block.yz |= ( endPoint[1][1].gr << uint2(19, 7) ) & uint2(0x00780000, 0x00001F80);
+        block.y |= ( endPoint[1][0].b << 29 ) & 0xE0000000;
+        block.y |= ( ( endPoint[1][1].b >> 4 ) & 0x00000002 ) | ( ( endPoint[1][1].b >> 2 ) & 0x00000004 ) | ( ( endPoint[1][1].b >> 3 ) & 0x00000001 );
+        block.z |= ( endPoint[1][0].b >> 3 ) & 0x00000001;*/
+
+        block.x |= ((candidateModeMemory[9] >> 0) & 1) << 0;
+        block.x |= ((candidateModeMemory[9] >> 1) & 1) << 1;
+        block.x |= ((candidateModeMemory[9] >> 2) & 1) << 2;
+        block.x |= ((candidateModeMemory[9] >> 3) & 1) << 3;
+        block.x |= ((candidateModeMemory[9] >> 4) & 1) << 4;
+        block.x |= ((endPoint[0][0].r >> 0) & 1) << 5;
+        block.x |= ((endPoint[0][0].r >> 1) & 1) << 6;
+        block.x |= ((endPoint[0][0].r >> 2) & 1) << 7;
+        block.x |= ((endPoint[0][0].r >> 3) & 1) << 8;
+        block.x |= ((endPoint[0][0].r >> 4) & 1) << 9;
+        block.x |= ((endPoint[0][0].r >> 5) & 1) << 10;
+        block.x |= ((endPoint[1][1].g >> 4) & 1) << 11;
+        block.x |= ((endPoint[1][1].b >> 0) & 1) << 12;
+        block.x |= ((endPoint[1][1].b >> 1) & 1) << 13;
+        block.x |= ((endPoint[1][0].b >> 4) & 1) << 14;
+        block.x |= ((endPoint[0][0].g >> 0) & 1) << 15;
+        block.x |= ((endPoint[0][0].g >> 1) & 1) << 16;
+        block.x |= ((endPoint[0][0].g >> 2) & 1) << 17;
+        block.x |= ((endPoint[0][0].g >> 3) & 1) << 18;
+        block.x |= ((endPoint[0][0].g >> 4) & 1) << 19;
+        block.x |= ((endPoint[0][0].g >> 5) & 1) << 20;
+        block.x |= ((endPoint[1][0].g >> 5) & 1) << 21;
+        block.x |= ((endPoint[1][0].b >> 5) & 1) << 22;
+        block.x |= ((endPoint[1][1].b >> 2) & 1) << 23;
+        block.x |= ((endPoint[1][0].g >> 4) & 1) << 24;
+        block.x |= ((endPoint[0][0].b >> 0) & 1) << 25;
+        block.x |= ((endPoint[0][0].b >> 1) & 1) << 26;
+        block.x |= ((endPoint[0][0].b >> 2) & 1) << 27;
+        block.x |= ((endPoint[0][0].b >> 3) & 1) << 28;
+        block.x |= ((endPoint[0][0].b >> 4) & 1) << 29;
+        block.x |= ((endPoint[0][0].b >> 5) & 1) << 30;
+        block.x |= ((endPoint[1][1].g >> 5) & 1) << 31;
+        block.y |= ((endPoint[1][1].b >> 3) & 1) << 0;
+        block.y |= ((endPoint[1][1].b >> 5) & 1) << 1;
+        block.y |= ((endPoint[1][1].b >> 4) & 1) << 2;
+        block.y |= ((endPoint[0][1].r >> 0) & 1) << 3;
+        block.y |= ((endPoint[0][1].r >> 1) & 1) << 4;
+        block.y |= ((endPoint[0][1].r >> 2) & 1) << 5;
+        block.y |= ((endPoint[0][1].r >> 3) & 1) << 6;
+        block.y |= ((endPoint[0][1].r >> 4) & 1) << 7;
+        block.y |= ((endPoint[0][1].r >> 5) & 1) << 8;
+        block.y |= ((endPoint[1][0].g >> 0) & 1) << 9;
+        block.y |= ((endPoint[1][0].g >> 1) & 1) << 10;
+        block.y |= ((endPoint[1][0].g >> 2) & 1) << 11;
+        block.y |= ((endPoint[1][0].g >> 3) & 1) << 12;
+        block.y |= ((endPoint[0][1].g >> 0) & 1) << 13;
+        block.y |= ((endPoint[0][1].g >> 1) & 1) << 14;
+        block.y |= ((endPoint[0][1].g >> 2) & 1) << 15;
+        block.y |= ((endPoint[0][1].g >> 3) & 1) << 16;
+        block.y |= ((endPoint[0][1].g >> 4) & 1) << 17;
+        block.y |= ((endPoint[0][1].g >> 5) & 1) << 18;
+        block.y |= ((endPoint[1][1].g >> 0) & 1) << 19;
+        block.y |= ((endPoint[1][1].g >> 1) & 1) << 20;
+        block.y |= ((endPoint[1][1].g >> 2) & 1) << 21;
+        block.y |= ((endPoint[1][1].g >> 3) & 1) << 22;
+        block.y |= ((endPoint[0][1].b >> 0) & 1) << 23;
+        block.y |= ((endPoint[0][1].b >> 1) & 1) << 24;
+        block.y |= ((endPoint[0][1].b >> 2) & 1) << 25;
+        block.y |= ((endPoint[0][1].b >> 3) & 1) << 26;
+        block.y |= ((endPoint[0][1].b >> 4) & 1) << 27;
+        block.y |= ((endPoint[0][1].b >> 5) & 1) << 28;
+        block.y |= ((endPoint[1][0].b >> 0) & 1) << 29;
+        block.y |= ((endPoint[1][0].b >> 1) & 1) << 30;
+        block.y |= ((endPoint[1][0].b >> 2) & 1) << 31;
+        block.z |= ((endPoint[1][0].b >> 3) & 1) << 0;
+        block.z |= ((endPoint[1][0].r >> 0) & 1) << 1;
+        block.z |= ((endPoint[1][0].r >> 1) & 1) << 2;
+        block.z |= ((endPoint[1][0].r >> 2) & 1) << 3;
+        block.z |= ((endPoint[1][0].r >> 3) & 1) << 4;
+        block.z |= ((endPoint[1][0].r >> 4) & 1) << 5;
+        block.z |= ((endPoint[1][0].r >> 5) & 1) << 6;
+        block.z |= ((endPoint[1][1].r >> 0) & 1) << 7;
+        block.z |= ((endPoint[1][1].r >> 1) & 1) << 8;
+        block.z |= ((endPoint[1][1].r >> 2) & 1) << 9;
+        block.z |= ((endPoint[1][1].r >> 3) & 1) << 10;
+        block.z |= ((endPoint[1][1].r >> 4) & 1) << 11;
+        block.z |= ((endPoint[1][1].r >> 5) & 1) << 12;
+        block.z |= ((partition_index >> 0) & 1) << 13;
+        block.z |= ((partition_index >> 1) & 1) << 14;
+        block.z |= ((partition_index >> 2) & 1) << 15;
+        block.z |= ((partition_index >> 3) & 1) << 16;
+        block.z |= ((partition_index >> 4) & 1) << 17;
+    }
+}
+void block_package( inout uint4 block, int2x3 endPoint, uint mode_type ) // for mode 11 - 14
+{
+    /*block.x = ( ( endPoint[0].r << 5 ) & 0x00007FE0 ) | ( ( endPoint[0].g << 15 ) & 0x01FF8000 ) | ( ( endPoint[0].b << 25 ) & 0xFE000000 );
+    block.y |= ( endPoint[0].b >> 7 ) & 0x00000007;*/
+
+    block.xy = 0;
+    block.z &= 0xFFFFFFFE;
+
+
+    if ( mode_type == candidateModeFlag[10])
+    {
+       /* block.x |= candidateModeMemory[10];
+        block.y |= ( ( endPoint[1].r << 3 ) & 0x00001FF8 ) | ( ( endPoint[1].g << 13 ) & 0x007FE000 ) | ( ( endPoint[1].b << 23 ) & 0xFF800000 );
+        block.z |= ( endPoint[1].b >> 9 ) & 0x00000001;*/
+
+        block.x |= ((candidateModeMemory[10] >> 0) & 1) << 0;
+        block.x |= ((candidateModeMemory[10] >> 1) & 1) << 1;
+        block.x |= ((candidateModeMemory[10] >> 2) & 1) << 2;
+        block.x |= ((candidateModeMemory[10] >> 3) & 1) << 3;
+        block.x |= ((candidateModeMemory[10] >> 4) & 1) << 4;
+        block.x |= ((endPoint[0].r >> 0) & 1) << 5;
+        block.x |= ((endPoint[0].r >> 1) & 1) << 6;
+        block.x |= ((endPoint[0].r >> 2) & 1) << 7;
+        block.x |= ((endPoint[0].r >> 3) & 1) << 8;
+        block.x |= ((endPoint[0].r >> 4) & 1) << 9;
+        block.x |= ((endPoint[0].r >> 5) & 1) << 10;
+        block.x |= ((endPoint[0].r >> 6) & 1) << 11;
+        block.x |= ((endPoint[0].r >> 7) & 1) << 12;
+        block.x |= ((endPoint[0].r >> 8) & 1) << 13;
+        block.x |= ((endPoint[0].r >> 9) & 1) << 14;
+        block.x |= ((endPoint[0].g >> 0) & 1) << 15;
+        block.x |= ((endPoint[0].g >> 1) & 1) << 16;
+        block.x |= ((endPoint[0].g >> 2) & 1) << 17;
+        block.x |= ((endPoint[0].g >> 3) & 1) << 18;
+        block.x |= ((endPoint[0].g >> 4) & 1) << 19;
+        block.x |= ((endPoint[0].g >> 5) & 1) << 20;
+        block.x |= ((endPoint[0].g >> 6) & 1) << 21;
+        block.x |= ((endPoint[0].g >> 7) & 1) << 22;
+        block.x |= ((endPoint[0].g >> 8) & 1) << 23;
+        block.x |= ((endPoint[0].g >> 9) & 1) << 24;
+        block.x |= ((endPoint[0].b >> 0) & 1) << 25;
+        block.x |= ((endPoint[0].b >> 1) & 1) << 26;
+        block.x |= ((endPoint[0].b >> 2) & 1) << 27;
+        block.x |= ((endPoint[0].b >> 3) & 1) << 28;
+        block.x |= ((endPoint[0].b >> 4) & 1) << 29;
+        block.x |= ((endPoint[0].b >> 5) & 1) << 30;
+        block.x |= ((endPoint[0].b >> 6) & 1) << 31;
+        block.y |= ((endPoint[0].b >> 7) & 1) << 0;
+        block.y |= ((endPoint[0].b >> 8) & 1) << 1;
+        block.y |= ((endPoint[0].b >> 9) & 1) << 2;
+        block.y |= ((endPoint[1].r >> 0) & 1) << 3;
+        block.y |= ((endPoint[1].r >> 1) & 1) << 4;
+        block.y |= ((endPoint[1].r >> 2) & 1) << 5;
+        block.y |= ((endPoint[1].r >> 3) & 1) << 6;
+        block.y |= ((endPoint[1].r >> 4) & 1) << 7;
+        block.y |= ((endPoint[1].r >> 5) & 1) << 8;
+        block.y |= ((endPoint[1].r >> 6) & 1) << 9;
+        block.y |= ((endPoint[1].r >> 7) & 1) << 10;
+        block.y |= ((endPoint[1].r >> 8) & 1) << 11;
+        block.y |= ((endPoint[1].r >> 9) & 1) << 12;
+        block.y |= ((endPoint[1].g >> 0) & 1) << 13;
+        block.y |= ((endPoint[1].g >> 1) & 1) << 14;
+        block.y |= ((endPoint[1].g >> 2) & 1) << 15;
+        block.y |= ((endPoint[1].g >> 3) & 1) << 16;
+        block.y |= ((endPoint[1].g >> 4) & 1) << 17;
+        block.y |= ((endPoint[1].g >> 5) & 1) << 18;
+        block.y |= ((endPoint[1].g >> 6) & 1) << 19;
+        block.y |= ((endPoint[1].g >> 7) & 1) << 20;
+        block.y |= ((endPoint[1].g >> 8) & 1) << 21;
+        block.y |= ((endPoint[1].g >> 9) & 1) << 22;
+        block.y |= ((endPoint[1].b >> 0) & 1) << 23;
+        block.y |= ((endPoint[1].b >> 1) & 1) << 24;
+        block.y |= ((endPoint[1].b >> 2) & 1) << 25;
+        block.y |= ((endPoint[1].b >> 3) & 1) << 26;
+        block.y |= ((endPoint[1].b >> 4) & 1) << 27;
+        block.y |= ((endPoint[1].b >> 5) & 1) << 28;
+        block.y |= ((endPoint[1].b >> 6) & 1) << 29;
+        block.y |= ((endPoint[1].b >> 7) & 1) << 30;
+        block.y |= ((endPoint[1].b >> 8) & 1) << 31;
+        block.z |= ((endPoint[1].b >> 9) & 1) << 0;
+    }
+    else if (mode_type == candidateModeFlag[11])
+    {
+        /*block.x |= candidateModeMemory[11];
+        block.y |= ( ( endPoint[0].r << 2 ) & 0x00001000 ) | ( ( endPoint[0].g << 12 ) & 0x00400000 );
+        block.y |= ( ( endPoint[1].r << 3 ) & 0x00000FF8 ) | ( ( endPoint[1].g << 13 ) & 0x003FE000 ) | ( ( endPoint[1].b << 23 ) & 0xFF800000 );
+        block.z |= ( endPoint[0].b >> 10 ) & 0x00000001;*/
+
+        block.x |= ((candidateModeMemory[11] >> 0) & 1) << 0;
+        block.x |= ((candidateModeMemory[11] >> 1) & 1) << 1;
+        block.x |= ((candidateModeMemory[11] >> 2) & 1) << 2;
+        block.x |= ((candidateModeMemory[11] >> 3) & 1) << 3;
+        block.x |= ((candidateModeMemory[11] >> 4) & 1) << 4;
+        block.x |= ((endPoint[0].r >> 0) & 1) << 5;
+        block.x |= ((endPoint[0].r >> 1) & 1) << 6;
+        block.x |= ((endPoint[0].r >> 2) & 1) << 7;
+        block.x |= ((endPoint[0].r >> 3) & 1) << 8;
+        block.x |= ((endPoint[0].r >> 4) & 1) << 9;
+        block.x |= ((endPoint[0].r >> 5) & 1) << 10;
+        block.x |= ((endPoint[0].r >> 6) & 1) << 11;
+        block.x |= ((endPoint[0].r >> 7) & 1) << 12;
+        block.x |= ((endPoint[0].r >> 8) & 1) << 13;
+        block.x |= ((endPoint[0].r >> 9) & 1) << 14;
+        block.x |= ((endPoint[0].g >> 0) & 1) << 15;
+        block.x |= ((endPoint[0].g >> 1) & 1) << 16;
+        block.x |= ((endPoint[0].g >> 2) & 1) << 17;
+        block.x |= ((endPoint[0].g >> 3) & 1) << 18;
+        block.x |= ((endPoint[0].g >> 4) & 1) << 19;
+        block.x |= ((endPoint[0].g >> 5) & 1) << 20;
+        block.x |= ((endPoint[0].g >> 6) & 1) << 21;
+        block.x |= ((endPoint[0].g >> 7) & 1) << 22;
+        block.x |= ((endPoint[0].g >> 8) & 1) << 23;
+        block.x |= ((endPoint[0].g >> 9) & 1) << 24;
+        block.x |= ((endPoint[0].b >> 0) & 1) << 25;
+        block.x |= ((endPoint[0].b >> 1) & 1) << 26;
+        block.x |= ((endPoint[0].b >> 2) & 1) << 27;
+        block.x |= ((endPoint[0].b >> 3) & 1) << 28;
+        block.x |= ((endPoint[0].b >> 4) & 1) << 29;
+        block.x |= ((endPoint[0].b >> 5) & 1) << 30;
+        block.x |= ((endPoint[0].b >> 6) & 1) << 31;
+        block.y |= ((endPoint[0].b >> 7) & 1) << 0;
+        block.y |= ((endPoint[0].b >> 8) & 1) << 1;
+        block.y |= ((endPoint[0].b >> 9) & 1) << 2;
+        block.y |= ((endPoint[1].r >> 0) & 1) << 3;
+        block.y |= ((endPoint[1].r >> 1) & 1) << 4;
+        block.y |= ((endPoint[1].r >> 2) & 1) << 5;
+        block.y |= ((endPoint[1].r >> 3) & 1) << 6;
+        block.y |= ((endPoint[1].r >> 4) & 1) << 7;
+        block.y |= ((endPoint[1].r >> 5) & 1) << 8;
+        block.y |= ((endPoint[1].r >> 6) & 1) << 9;
+        block.y |= ((endPoint[1].r >> 7) & 1) << 10;
+        block.y |= ((endPoint[1].r >> 8) & 1) << 11;
+        block.y |= ((endPoint[0].r >> 10) & 1) << 12;
+        block.y |= ((endPoint[1].g >> 0) & 1) << 13;
+        block.y |= ((endPoint[1].g >> 1) & 1) << 14;
+        block.y |= ((endPoint[1].g >> 2) & 1) << 15;
+        block.y |= ((endPoint[1].g >> 3) & 1) << 16;
+        block.y |= ((endPoint[1].g >> 4) & 1) << 17;
+        block.y |= ((endPoint[1].g >> 5) & 1) << 18;
+        block.y |= ((endPoint[1].g >> 6) & 1) << 19;
+        block.y |= ((endPoint[1].g >> 7) & 1) << 20;
+        block.y |= ((endPoint[1].g >> 8) & 1) << 21;
+        block.y |= ((endPoint[0].g >> 10) & 1) << 22;
+        block.y |= ((endPoint[1].b >> 0) & 1) << 23;
+        block.y |= ((endPoint[1].b >> 1) & 1) << 24;
+        block.y |= ((endPoint[1].b >> 2) & 1) << 25;
+        block.y |= ((endPoint[1].b >> 3) & 1) << 26;
+        block.y |= ((endPoint[1].b >> 4) & 1) << 27;
+        block.y |= ((endPoint[1].b >> 5) & 1) << 28;
+        block.y |= ((endPoint[1].b >> 6) & 1) << 29;
+        block.y |= ((endPoint[1].b >> 7) & 1) << 30;
+        block.y |= ((endPoint[1].b >> 8) & 1) << 31;
+        block.z |= ((endPoint[0].b >> 10) & 1) << 0;
+    }
+    else if (mode_type == candidateModeFlag[12])// violate the spec in  [0].low
+    {
+        /*block.x |= candidateModeMemory[12];
+        block.y |= ( ( endPoint[0].r << 2 ) & 0x00001000 ) | ( ( endPoint[0].g << 12 ) & 0x00400000 );
+        block.y |= ( ( endPoint[0].r << 0 ) & 0x00000800 ) | ( ( endPoint[0].g << 10 ) & 0x00200000 );
+        block.y |= ( endPoint[0].b << 20 ) & 0x80000000;
+        block.y |= ( ( endPoint[1].r << 3 ) & 0x000007F8 ) | ( ( endPoint[1].g << 13 ) & 0x001FE000 ) | ( ( endPoint[1].b << 23 ) & 0x7F800000 );
+        block.z |= ( endPoint[0].b >> 10 ) & 0x00000001;*/
+
+        block.x |= ((candidateModeMemory[12] >> 0) & 1) << 0;
+        block.x |= ((candidateModeMemory[12] >> 1) & 1) << 1;
+        block.x |= ((candidateModeMemory[12] >> 2) & 1) << 2;
+        block.x |= ((candidateModeMemory[12] >> 3) & 1) << 3;
+        block.x |= ((candidateModeMemory[12] >> 4) & 1) << 4;
+        block.x |= ((endPoint[0].r >> 0) & 1) << 5;
+        block.x |= ((endPoint[0].r >> 1) & 1) << 6;
+        block.x |= ((endPoint[0].r >> 2) & 1) << 7;
+        block.x |= ((endPoint[0].r >> 3) & 1) << 8;
+        block.x |= ((endPoint[0].r >> 4) & 1) << 9;
+        block.x |= ((endPoint[0].r >> 5) & 1) << 10;
+        block.x |= ((endPoint[0].r >> 6) & 1) << 11;
+        block.x |= ((endPoint[0].r >> 7) & 1) << 12;
+        block.x |= ((endPoint[0].r >> 8) & 1) << 13;
+        block.x |= ((endPoint[0].r >> 9) & 1) << 14;
+        block.x |= ((endPoint[0].g >> 0) & 1) << 15;
+        block.x |= ((endPoint[0].g >> 1) & 1) << 16;
+        block.x |= ((endPoint[0].g >> 2) & 1) << 17;
+        block.x |= ((endPoint[0].g >> 3) & 1) << 18;
+        block.x |= ((endPoint[0].g >> 4) & 1) << 19;
+        block.x |= ((endPoint[0].g >> 5) & 1) << 20;
+        block.x |= ((endPoint[0].g >> 6) & 1) << 21;
+        block.x |= ((endPoint[0].g >> 7) & 1) << 22;
+        block.x |= ((endPoint[0].g >> 8) & 1) << 23;
+        block.x |= ((endPoint[0].g >> 9) & 1) << 24;
+        block.x |= ((endPoint[0].b >> 0) & 1) << 25;
+        block.x |= ((endPoint[0].b >> 1) & 1) << 26;
+        block.x |= ((endPoint[0].b >> 2) & 1) << 27;
+        block.x |= ((endPoint[0].b >> 3) & 1) << 28;
+        block.x |= ((endPoint[0].b >> 4) & 1) << 29;
+        block.x |= ((endPoint[0].b >> 5) & 1) << 30;
+        block.x |= ((endPoint[0].b >> 6) & 1) << 31;
+        block.y |= ((endPoint[0].b >> 7) & 1) << 0;
+        block.y |= ((endPoint[0].b >> 8) & 1) << 1;
+        block.y |= ((endPoint[0].b >> 9) & 1) << 2;
+        block.y |= ((endPoint[1].r >> 0) & 1) << 3;
+        block.y |= ((endPoint[1].r >> 1) & 1) << 4;
+        block.y |= ((endPoint[1].r >> 2) & 1) << 5;
+        block.y |= ((endPoint[1].r >> 3) & 1) << 6;
+        block.y |= ((endPoint[1].r >> 4) & 1) << 7;
+        block.y |= ((endPoint[1].r >> 5) & 1) << 8;
+        block.y |= ((endPoint[1].r >> 6) & 1) << 9;
+        block.y |= ((endPoint[1].r >> 7) & 1) << 10;
+        block.y |= ((endPoint[0].r >> 11) & 1) << 11;
+        block.y |= ((endPoint[0].r >> 10) & 1) << 12;
+        block.y |= ((endPoint[1].g >> 0) & 1) << 13;
+        block.y |= ((endPoint[1].g >> 1) & 1) << 14;
+        block.y |= ((endPoint[1].g >> 2) & 1) << 15;
+        block.y |= ((endPoint[1].g >> 3) & 1) << 16;
+        block.y |= ((endPoint[1].g >> 4) & 1) << 17;
+        block.y |= ((endPoint[1].g >> 5) & 1) << 18;
+        block.y |= ((endPoint[1].g >> 6) & 1) << 19;
+        block.y |= ((endPoint[1].g >> 7) & 1) << 20;
+        block.y |= ((endPoint[0].g >> 11) & 1) << 21;
+        block.y |= ((endPoint[0].g >> 10) & 1) << 22;
+        block.y |= ((endPoint[1].b >> 0) & 1) << 23;
+        block.y |= ((endPoint[1].b >> 1) & 1) << 24;
+        block.y |= ((endPoint[1].b >> 2) & 1) << 25;
+        block.y |= ((endPoint[1].b >> 3) & 1) << 26;
+        block.y |= ((endPoint[1].b >> 4) & 1) << 27;
+        block.y |= ((endPoint[1].b >> 5) & 1) << 28;
+        block.y |= ((endPoint[1].b >> 6) & 1) << 29;
+        block.y |= ((endPoint[1].b >> 7) & 1) << 30;
+        block.y |= ((endPoint[0].b >> 11) & 1) << 31;
+        block.z |= ((endPoint[0].b >> 10) & 1) << 0;
+    }
+    else if (mode_type == candidateModeFlag[13])
+    {
+        /*block.x |= candidateModeMemory[13];
+        block.y |= ( ( endPoint[0].r >> 8 ) & 0x00000080 );
+        block.y |= ( ( endPoint[0].r >> 6 ) & 0x00000100 );
+        block.y |= ( ( endPoint[0].r >> 4 ) & 0x00000200 );
+        block.y |= ( ( endPoint[0].r >> 2 ) & 0x00000400 );
+        block.y |= ( ( endPoint[0].r >> 0 ) & 0x00000800 );
+        block.y |= ( ( endPoint[0].r << 2 ) & 0x00001000 );
+        block.y |= ( ( endPoint[0].g << 2 ) & 0x00020000 );
+        block.y |= ( ( endPoint[0].g << 4 ) & 0x00040000 );
+        block.y |= ( ( endPoint[0].g << 6 ) & 0x00080000 );
+        block.y |= ( ( endPoint[0].g << 8 ) & 0x00100000 );
+        block.y |= ( ( endPoint[0].g << 10 ) & 0x00200000 );
+        block.y |= ( ( endPoint[0].g << 12 ) & 0x00400000 );
+        block.y |= ( ( endPoint[0].b << 12 ) & 0x08000000 );
+        block.y |= ( ( endPoint[0].b << 14 ) & 0x10000000 );
+        block.y |= ( ( endPoint[0].b << 16 ) & 0x20000000 );
+        block.y |= ( ( endPoint[0].b << 18 ) & 0x40000000 );
+        block.y |= ( ( endPoint[0].b << 20 ) & 0x80000000 );
+        block.y |= ( ( endPoint[1].r << 3 ) & 0x00000078 ) | ( ( endPoint[1].g << 13 ) & 0x0001E000 ) | ( ( endPoint[1].b << 23 ) & 0x07800000 );        
+        block.z |= ( endPoint[0].b >> 10 ) & 0x00000001;*/
+
+        block.x |= ((candidateModeMemory[13] >> 0) & 1) << 0;
+        block.x |= ((candidateModeMemory[13] >> 1) & 1) << 1;
+        block.x |= ((candidateModeMemory[13] >> 2) & 1) << 2;
+        block.x |= ((candidateModeMemory[13] >> 3) & 1) << 3;
+        block.x |= ((candidateModeMemory[13] >> 4) & 1) << 4;
+        block.x |= ((endPoint[0].r >> 0) & 1) << 5;
+        block.x |= ((endPoint[0].r >> 1) & 1) << 6;
+        block.x |= ((endPoint[0].r >> 2) & 1) << 7;
+        block.x |= ((endPoint[0].r >> 3) & 1) << 8;
+        block.x |= ((endPoint[0].r >> 4) & 1) << 9;
+        block.x |= ((endPoint[0].r >> 5) & 1) << 10;
+        block.x |= ((endPoint[0].r >> 6) & 1) << 11;
+        block.x |= ((endPoint[0].r >> 7) & 1) << 12;
+        block.x |= ((endPoint[0].r >> 8) & 1) << 13;
+        block.x |= ((endPoint[0].r >> 9) & 1) << 14;
+        block.x |= ((endPoint[0].g >> 0) & 1) << 15;
+        block.x |= ((endPoint[0].g >> 1) & 1) << 16;
+        block.x |= ((endPoint[0].g >> 2) & 1) << 17;
+        block.x |= ((endPoint[0].g >> 3) & 1) << 18;
+        block.x |= ((endPoint[0].g >> 4) & 1) << 19;
+        block.x |= ((endPoint[0].g >> 5) & 1) << 20;
+        block.x |= ((endPoint[0].g >> 6) & 1) << 21;
+        block.x |= ((endPoint[0].g >> 7) & 1) << 22;
+        block.x |= ((endPoint[0].g >> 8) & 1) << 23;
+        block.x |= ((endPoint[0].g >> 9) & 1) << 24;
+        block.x |= ((endPoint[0].b >> 0) & 1) << 25;
+        block.x |= ((endPoint[0].b >> 1) & 1) << 26;
+        block.x |= ((endPoint[0].b >> 2) & 1) << 27;
+        block.x |= ((endPoint[0].b >> 3) & 1) << 28;
+        block.x |= ((endPoint[0].b >> 4) & 1) << 29;
+        block.x |= ((endPoint[0].b >> 5) & 1) << 30;
+        block.x |= ((endPoint[0].b >> 6) & 1) << 31;
+        block.y |= ((endPoint[0].b >> 7) & 1) << 0;
+        block.y |= ((endPoint[0].b >> 8) & 1) << 1;
+        block.y |= ((endPoint[0].b >> 9) & 1) << 2;
+        block.y |= ((endPoint[1].r >> 0) & 1) << 3;
+        block.y |= ((endPoint[1].r >> 1) & 1) << 4;
+        block.y |= ((endPoint[1].r >> 2) & 1) << 5;
+        block.y |= ((endPoint[1].r >> 3) & 1) << 6;
+        block.y |= ((endPoint[0].r >> 15) & 1) << 7;
+        block.y |= ((endPoint[0].r >> 14) & 1) << 8;
+        block.y |= ((endPoint[0].r >> 13) & 1) << 9;
+        block.y |= ((endPoint[0].r >> 12) & 1) << 10;
+        block.y |= ((endPoint[0].r >> 11) & 1) << 11;
+        block.y |= ((endPoint[0].r >> 10) & 1) << 12;
+        block.y |= ((endPoint[1].g >> 0) & 1) << 13;
+        block.y |= ((endPoint[1].g >> 1) & 1) << 14;
+        block.y |= ((endPoint[1].g >> 2) & 1) << 15;
+        block.y |= ((endPoint[1].g >> 3) & 1) << 16;
+        block.y |= ((endPoint[0].g >> 15) & 1) << 17;
+        block.y |= ((endPoint[0].g >> 14) & 1) << 18;
+        block.y |= ((endPoint[0].g >> 13) & 1) << 19;
+        block.y |= ((endPoint[0].g >> 12) & 1) << 20;
+        block.y |= ((endPoint[0].g >> 11) & 1) << 21;
+        block.y |= ((endPoint[0].g >> 10) & 1) << 22;
+        block.y |= ((endPoint[1].b >> 0) & 1) << 23;
+        block.y |= ((endPoint[1].b >> 1) & 1) << 24;
+        block.y |= ((endPoint[1].b >> 2) & 1) << 25;
+        block.y |= ((endPoint[1].b >> 3) & 1) << 26;
+        block.y |= ((endPoint[0].b >> 15) & 1) << 27;
+        block.y |= ((endPoint[0].b >> 14) & 1) << 28;
+        block.y |= ((endPoint[0].b >> 13) & 1) << 29;
+        block.y |= ((endPoint[0].b >> 12) & 1) << 30;
+        block.y |= ((endPoint[0].b >> 11) & 1) << 31;
+        block.z |= ((endPoint[0].b >> 10) & 1) << 0;
+    }
+}
diff --git a/tests/hlsl/dxsdk/BC6HBC7EncoderCS/Shaders/BC7Encode.hlsl b/tests/hlsl/dxsdk/BC6HBC7EncoderCS/Shaders/BC7Encode.hlsl
new file mode 100644
index 000000000..6a57c3862
--- /dev/null
+++ b/tests/hlsl/dxsdk/BC6HBC7EncoderCS/Shaders/BC7Encode.hlsl
@@ -0,0 +1,1908 @@
+//TEST_IGNORE_FILE:
+//--------------------------------------------------------------------------------------
+// File: BC7Encode.hlsl
+//
+// The Compute Shader for BC7 Encoder
+//
+// Copyright (c) Microsoft Corporation. All rights reserved.
+//--------------------------------------------------------------------------------------
+
+//#define REF_DEVICE
+
+#define CHAR_LENGTH			8
+#define NCHANNELS			4
+#define	BC7_UNORM			98
+#define MAX_UINT			0xFFFFFFFF
+#define MIN_UINT			0
+
+static const uint candidateSectionBit[64] = //Associated to partition 0-63
+{
+    0xCCCC, 0x8888, 0xEEEE, 0xECC8,
+    0xC880, 0xFEEC, 0xFEC8, 0xEC80,
+    0xC800, 0xFFEC, 0xFE80, 0xE800,
+    0xFFE8, 0xFF00, 0xFFF0, 0xF000,
+    0xF710, 0x008E, 0x7100, 0x08CE,
+    0x008C, 0x7310, 0x3100, 0x8CCE,
+    0x088C, 0x3110, 0x6666, 0x366C,
+    0x17E8, 0x0FF0, 0x718E, 0x399C,
+    0xaaaa, 0xf0f0, 0x5a5a, 0x33cc, 
+    0x3c3c, 0x55aa, 0x9696, 0xa55a, 
+    0x73ce, 0x13c8, 0x324c, 0x3bdc, 
+    0x6996, 0xc33c, 0x9966, 0x660, 
+    0x272, 0x4e4, 0x4e40, 0x2720, 
+    0xc936, 0x936c, 0x39c6, 0x639c, 
+    0x9336, 0x9cc6, 0x817e, 0xe718, 
+    0xccf0, 0xfcc, 0x7744, 0xee22, 
+};
+static const uint candidateSectionBit2[64] = //Associated to partition 64-127
+{
+    0xaa685050, 0x6a5a5040, 0x5a5a4200, 0x5450a0a8,
+    0xa5a50000, 0xa0a05050, 0x5555a0a0, 0x5a5a5050,
+    0xaa550000, 0xaa555500, 0xaaaa5500, 0x90909090,
+    0x94949494, 0xa4a4a4a4, 0xa9a59450, 0x2a0a4250,
+    0xa5945040, 0x0a425054, 0xa5a5a500, 0x55a0a0a0,
+    0xa8a85454, 0x6a6a4040, 0xa4a45000, 0x1a1a0500,
+    0x0050a4a4, 0xaaa59090, 0x14696914, 0x69691400,
+    0xa08585a0, 0xaa821414, 0x50a4a450, 0x6a5a0200,
+    0xa9a58000, 0x5090a0a8, 0xa8a09050, 0x24242424,
+    0x00aa5500, 0x24924924, 0x24499224, 0x50a50a50,
+    0x500aa550, 0xaaaa4444, 0x66660000, 0xa5a0a5a0,
+    0x50a050a0, 0x69286928, 0x44aaaa44, 0x66666600,
+    0xaa444444, 0x54a854a8, 0x95809580, 0x96969600,
+    0xa85454a8, 0x80959580, 0xaa141414, 0x96960000,
+    0xaaaa1414, 0xa05050a0, 0xa0a5a5a0, 0x96000000,
+    0x40804080, 0xa9a8a9a8, 0xaaaaaa44, 0x2a4a5254,
+};
+static const uint2 candidateFixUpIndex1D[128] = 
+{
+    {15, 0},{15, 0},{15, 0},{15, 0},
+    {15, 0},{15, 0},{15, 0},{15, 0},
+    {15, 0},{15, 0},{15, 0},{15, 0},
+    {15, 0},{15, 0},{15, 0},{15, 0},
+    {15, 0},{ 2, 0},{ 8, 0},{ 2, 0},
+    { 2, 0},{ 8, 0},{ 8, 0},{15, 0},
+    { 2, 0},{ 8, 0},{ 2, 0},{ 2, 0},
+    { 8, 0},{ 8, 0},{ 2, 0},{ 2, 0},
+    
+    {15, 0},{15, 0},{ 6, 0},{ 8, 0},
+    { 2, 0},{ 8, 0},{15, 0},{15, 0},
+    { 2, 0},{ 8, 0},{ 2, 0},{ 2, 0},
+    { 2, 0},{15, 0},{15, 0},{ 6, 0},
+    { 6, 0},{ 2, 0},{ 6, 0},{ 8, 0},
+    {15, 0},{15, 0},{ 2, 0},{ 2, 0},
+    {15, 0},{15, 0},{15, 0},{15, 0},
+    {15, 0},{ 2, 0},{ 2, 0},{15, 0},
+    //candidateFixUpIndex1D[i][1], i < 64 should not be used
+    
+    { 3,15},{ 3, 8},{15, 8},{15, 3},
+    { 8,15},{ 3,15},{15, 3},{15, 8},
+    { 8,15},{ 8,15},{ 6,15},{ 6,15},
+    { 6,15},{ 5,15},{ 3,15},{ 3, 8},
+    { 3,15},{ 3, 8},{ 8,15},{15, 3},
+    { 3,15},{ 3, 8},{ 6,15},{10, 8},
+    { 5, 3},{ 8,15},{ 8, 6},{ 6,10},
+    { 8,15},{ 5,15},{15,10},{15, 8},
+    
+    { 8,15},{15, 3},{ 3,15},{ 5,10},
+    { 6,10},{10, 8},{ 8, 9},{15,10},
+    {15, 6},{ 3,15},{15, 8},{ 5,15},
+    {15, 3},{15, 6},{15, 6},{15, 8}, //The Spec doesn't mark the first fixed up index in this row, so I apply 15 for them, and seems correct
+    { 3,15},{15, 3},{ 5,15},{ 5,15},
+    { 5,15},{ 8,15},{ 5,15},{10,15},
+    { 5,15},{10,15},{ 8,15},{13,15},
+    {15, 3},{12,15},{ 3,15},{ 3, 8},
+};
+static const uint2 candidateFixUpIndex1DOrdered[128] = //Same with candidateFixUpIndex1D but order the result when i >= 64
+{
+    {15, 0},{15, 0},{15, 0},{15, 0},
+    {15, 0},{15, 0},{15, 0},{15, 0},
+    {15, 0},{15, 0},{15, 0},{15, 0},
+    {15, 0},{15, 0},{15, 0},{15, 0},
+    {15, 0},{ 2, 0},{ 8, 0},{ 2, 0},
+    { 2, 0},{ 8, 0},{ 8, 0},{15, 0},
+    { 2, 0},{ 8, 0},{ 2, 0},{ 2, 0},
+    { 8, 0},{ 8, 0},{ 2, 0},{ 2, 0},
+    
+    {15, 0},{15, 0},{ 6, 0},{ 8, 0},
+    { 2, 0},{ 8, 0},{15, 0},{15, 0},
+    { 2, 0},{ 8, 0},{ 2, 0},{ 2, 0},
+    { 2, 0},{15, 0},{15, 0},{ 6, 0},
+    { 6, 0},{ 2, 0},{ 6, 0},{ 8, 0},
+    {15, 0},{15, 0},{ 2, 0},{ 2, 0},
+    {15, 0},{15, 0},{15, 0},{15, 0},
+    {15, 0},{ 2, 0},{ 2, 0},{15, 0},
+    //candidateFixUpIndex1DOrdered[i][1], i < 64 should not be used
+    
+    { 3,15},{ 3, 8},{ 8,15},{ 3,15},
+    { 8,15},{ 3,15},{ 3,15},{ 8,15},
+    { 8,15},{ 8,15},{ 6,15},{ 6,15},
+    { 6,15},{ 5,15},{ 3,15},{ 3, 8},
+    { 3,15},{ 3, 8},{ 8,15},{ 3,15},
+    { 3,15},{ 3, 8},{ 6,15},{ 8,10},
+    { 3, 5},{ 8,15},{ 6, 8},{ 6,10},
+    { 8,15},{ 5,15},{10,15},{ 8,15},
+    
+    { 8,15},{ 3,15},{ 3,15},{ 5,10},
+    { 6,10},{ 8,10},{ 8, 9},{10,15},
+    { 6,15},{ 3,15},{ 8,15},{ 5,15},
+    { 3,15},{ 6,15},{ 6,15},{ 8,15}, //The Spec doesn't mark the first fixed up index in this row, so I apply 15 for them, and seems correct
+    { 3,15},{ 3,15},{ 5,15},{ 5,15},
+    { 5,15},{ 8,15},{ 5,15},{10,15},
+    { 5,15},{10,15},{ 8,15},{13,15},
+    { 3,15},{12,15},{ 3,15},{ 3, 8},
+};
+//static const uint4x4 candidateRotation[4] = 
+//{
+//    {1,0,0,0},{0,1,0,0},{0,0,1,0},{0,0,0,1},
+//    {0,0,0,1},{0,1,0,0},{0,0,1,0},{1,0,0,0},
+//    {1,0,0,0},{0,0,0,1},{0,0,1,0},{0,1,0,0},
+//    {1,0,0,0},{0,1,0,0},{0,0,0,1},{0,0,1,0}
+//};
+//static const uint2 candidateIndexPrec[8] = {{3,0},{3,0},{2,0},{2,0},
+//                                            {2,3}, //color index and alpha index can exchange
+//                                            {2,2},{4,4},{2,2}};
+
+static const uint aWeight[3][16] = { {0,  4,  9, 13, 17, 21, 26, 30, 34, 38, 43, 47, 51, 55, 60, 64},
+                                    {0,  9, 18, 27, 37, 46, 55, 64,  0,  0,  0,  0,  0,  0,  0,  0},
+                                    {0, 21, 43, 64,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0} };
+
+                                //4 bit index: 0, 4, 9, 13, 17, 21, 26, 30, 34, 38, 43, 47, 51, 55, 60, 64
+static const uint aStep[3][64] = {  { 0, 0, 0, 1, 1, 1, 1, 2,
+                                    2, 2, 2, 2, 3, 3, 3, 3,
+                                    4, 4, 4, 4, 5, 5, 5, 5,
+                                    6, 6, 6, 6, 6, 7, 7, 7,
+                                    7, 8, 8, 8, 8, 9, 9, 9,
+                                    9,10,10,10,10,10,11,11,
+                                   11,11,12,12,12,12,13,13,
+                                   13,13,14,14,14,14,15,15 },
+                                //3 bit index: 0, 9, 18, 27, 37, 46, 55, 64
+                                    { 0,0,0,0,0,1,1,1,
+                                    1,1,1,1,1,1,2,2,
+                                    2,2,2,2,2,2,2,3,
+                                    3,3,3,3,3,3,3,3,
+                                    3,4,4,4,4,4,4,4,
+                                    4,4,5,5,5,5,5,5,
+                                    5,5,5,6,6,6,6,6,
+                                    6,6,6,6,7,7,7,7 },
+                                //2 bit index: 0, 21, 43, 64
+                                    { 0,0,0,0,0,0,0,0,
+                                    0,0,0,1,1,1,1,1,
+                                    1,1,1,1,1,1,1,1,
+                                    1,1,1,1,1,1,1,1,
+                                    1,2,2,2,2,2,2,2,
+                                    2,2,2,2,2,2,2,2,
+                                    2,2,2,2,2,2,3,3,
+                                    3,3,3,3,3,3,3,3 } };
+
+cbuffer cbCS : register( b0 )
+{
+    uint g_tex_width;
+    uint g_num_block_x;
+    uint g_format;
+    uint g_mode_id;
+    uint g_start_block_id;
+    uint g_num_total_blocks;
+    float g_alpha_weight;
+};
+
+//Forward declaration
+uint2x4 compress_endpoints0( inout uint2x4 endPoint, uint2 P ); //Mode = 0
+uint2x4 compress_endpoints1( inout uint2x4 endPoint, uint2 P ); //Mode = 1
+uint2x4 compress_endpoints2( inout uint2x4 endPoint ); //Mode = 2
+uint2x4 compress_endpoints3( inout uint2x4 endPoint, uint2 P ); //Mode = 3
+uint2x4 compress_endpoints7( inout uint2x4 endPoint, uint2 P ); //Mode = 7
+uint2x4 compress_endpoints6( inout uint2x4 endPoint, uint2 P ); //Mode = 6
+uint2x4 compress_endpoints4( inout uint2x4 endPoint ); //Mode = 4
+uint2x4 compress_endpoints5( inout uint2x4 endPoint ); //Mode = 5
+
+void block_package0( out uint4 block, uint partition, uint threadBase ); //Mode0
+void block_package1( out uint4 block, uint partition, uint threadBase ); //Mode1
+void block_package2( out uint4 block, uint partition, uint threadBase ); //Mode2
+void block_package3( out uint4 block, uint partition, uint threadBase ); //Mode3
+void block_package4( out uint4 block, uint rotation, uint index_selector, uint threadBase ); //Mode4
+void block_package5( out uint4 block, uint rotation, uint threadBase ); //Mode5
+void block_package6( out uint4 block, uint threadBase ); //Mode6
+void block_package7( out uint4 block, uint partition, uint threadBase ); //Mode7
+
+
+void swap(inout uint4 lhs, inout uint4 rhs)
+{
+    uint4 tmp = lhs;
+    lhs = rhs;
+    rhs = tmp;
+}
+void swap(inout uint3 lhs, inout uint3 rhs)
+{
+    uint3 tmp = lhs;
+    lhs = rhs;
+    rhs = tmp;
+}
+void swap(inout uint lhs, inout uint rhs)
+{
+    uint tmp = lhs;
+    lhs = rhs;
+    rhs = tmp;
+}
+
+uint ComputeError(in uint4 a, in uint4 b)
+{		
+	return dot(a.rgb, b.rgb) + g_alpha_weight * a.a*b.a;
+}
+
+void Ensure_A_Is_Larger( inout uint4 a, inout uint4 b )
+{
+    if ( a.x < b.x )
+        swap( a.x, b.x );
+    if ( a.y < b.y )
+        swap( a.y, b.y );
+    if ( a.z < b.z )
+        swap( a.z, b.z );
+    if ( a.w < b.w )
+        swap( a.w, b.w );
+}
+
+
+Texture2D g_Input : register( t0 ); 
+StructuredBuffer<uint4> g_InBuff : register( t1 );
+
+RWStructuredBuffer<uint4> g_OutBuff : register( u0 );
+
+#define THREAD_GROUP_SIZE	64
+#define BLOCK_SIZE_Y		4
+#define BLOCK_SIZE_X		4
+#define BLOCK_SIZE			(BLOCK_SIZE_Y * BLOCK_SIZE_X)
+
+struct BufferShared
+{
+    uint4 pixel;
+    uint error;
+    uint mode;
+    uint partition;
+    uint index_selector;
+    uint rotation;
+    uint4 endPoint_low;
+    uint4 endPoint_high;
+    uint4 endPoint_low_quantized;
+    uint4 endPoint_high_quantized;
+};
+groupshared BufferShared shared_temp[THREAD_GROUP_SIZE];
+
+[numthreads( THREAD_GROUP_SIZE, 1, 1 )]
+void TryMode456CS( uint GI : SV_GroupIndex, uint3 groupID : SV_GroupID ) // mode 4 5 6 all have 1 subset per block, and fix-up index is always index 0
+{
+    // we process 4 BC blocks per thread group
+    const uint MAX_USED_THREAD = 16;                                                // pixels in a BC (block compressed) block
+    uint BLOCK_IN_GROUP = THREAD_GROUP_SIZE / MAX_USED_THREAD;                      // the number of BC blocks a thread group processes = 64 / 16 = 4
+    uint blockInGroup = GI / MAX_USED_THREAD;                                       // what BC block this thread is on within this thread group
+    uint blockID = g_start_block_id + groupID.x * BLOCK_IN_GROUP + blockInGroup;    // what global BC block this thread is on
+    uint threadBase = blockInGroup * MAX_USED_THREAD;                               // the first id of the pixel in this BC block in this thread group
+    uint threadInBlock = GI - threadBase;                                           // id of the pixel in this BC block
+
+#ifndef REF_DEVICE
+    if (blockID >= g_num_total_blocks)
+    {
+        return;
+    }
+#endif
+
+    uint block_y = blockID / g_num_block_x;
+    uint block_x = blockID - block_y * g_num_block_x;
+    uint base_x = block_x * BLOCK_SIZE_X;
+    uint base_y = block_y * BLOCK_SIZE_Y;
+    
+    if (threadInBlock < 16)
+    {
+        shared_temp[GI].pixel = clamp(uint4(g_Input.Load( uint3( base_x + threadInBlock % 4, base_y + threadInBlock / 4, 0 ) ) * 255), 0, 255);
+
+        shared_temp[GI].endPoint_low = shared_temp[GI].pixel;
+        shared_temp[GI].endPoint_high = shared_temp[GI].pixel;
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+
+    if (threadInBlock < 8)
+    {
+        shared_temp[GI].endPoint_low = min(shared_temp[GI].endPoint_low, shared_temp[GI + 8].endPoint_low);
+        shared_temp[GI].endPoint_high = max(shared_temp[GI].endPoint_high, shared_temp[GI + 8].endPoint_high);
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+    if (threadInBlock < 4)
+    {
+        shared_temp[GI].endPoint_low = min(shared_temp[GI].endPoint_low, shared_temp[GI + 4].endPoint_low);
+        shared_temp[GI].endPoint_high = max(shared_temp[GI].endPoint_high, shared_temp[GI + 4].endPoint_high);
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+    if (threadInBlock < 2)
+    {
+        shared_temp[GI].endPoint_low = min(shared_temp[GI].endPoint_low, shared_temp[GI + 2].endPoint_low);
+        shared_temp[GI].endPoint_high = max(shared_temp[GI].endPoint_high, shared_temp[GI + 2].endPoint_high);
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+    if (threadInBlock < 1)
+    {
+        shared_temp[GI].endPoint_low = min(shared_temp[GI].endPoint_low, shared_temp[GI + 1].endPoint_low);
+        shared_temp[GI].endPoint_high = max(shared_temp[GI].endPoint_high, shared_temp[GI + 1].endPoint_high);
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+
+    uint2x4 endPoint;
+    endPoint[0] = shared_temp[threadBase].endPoint_low;
+    endPoint[1] = shared_temp[threadBase].endPoint_high;
+
+    uint error = 0xFFFFFFFF;
+    uint mode = 0;
+    uint index_selector = 0;
+    uint rotation = 0;
+
+    uint2 indexPrec;
+    if (threadInBlock < 8) // all threads of threadInBlock < 8 will be working on trying out mode 4, since only mode 4 has index selector bit
+    {
+        if (0 == (threadInBlock & 1)) // thread 0, 2, 4, 6
+        {
+            //2 represents 2bit index precision; 1 represents 3bit index precision
+            index_selector = 0;
+            indexPrec = uint2( 2, 1 );
+        }
+        else                          // thread 1, 3, 5, 7
+        {
+            //2 represents 2bit index precision; 1 represents 3bit index precision
+            index_selector = 1;
+            indexPrec = uint2( 1, 2 );
+        }
+    }
+    else
+    {
+         //2 represents 2bit index precision
+        indexPrec = uint2( 2, 2 );
+    }
+
+    uint4 pixel_r;
+    uint color_index;
+    uint alpha_index;
+    int4 span;
+    int2 span_norm_sqr;
+    int2 dotProduct;
+    if (threadInBlock < 12) // Try mode 4 5 in threads 0..11
+    {
+        // mode 4 5 have component rotation
+        if ((threadInBlock < 2) || (8 == threadInBlock))       // rotation = 0 in thread 0, 1
+        {
+            rotation = 0;
+        }
+        else if ((threadInBlock < 4) || (9 == threadInBlock))  // rotation = 1 in thread 2, 3
+        {
+            endPoint[0].ra = endPoint[0].ar;
+            endPoint[1].ra = endPoint[1].ar;
+
+            rotation = 1;
+        }
+        else if ((threadInBlock < 6) || (10 == threadInBlock)) // rotation = 2 in thread 4, 5
+        {
+            endPoint[0].ga = endPoint[0].ag;
+            endPoint[1].ga = endPoint[1].ag;
+
+            rotation = 2;
+        }
+        else if ((threadInBlock < 8) || (11 == threadInBlock)) // rotation = 3 in thread 6, 7
+        {
+            endPoint[0].ba = endPoint[0].ab;
+            endPoint[1].ba = endPoint[1].ab;
+
+            rotation = 3;
+        }
+
+        if (threadInBlock < 8)  // try mode 4 in threads 0..7
+        {
+            // mode 4 thread distribution
+            // Thread           0	1	2	3	4	5	6	7
+            // Rotation	        0	0	1	1	2	2	3	3
+            // Index selector   0	1	0	1	0	1	0	1
+
+            mode = 4;
+            compress_endpoints4( endPoint );
+        }
+        else                    // try mode 5 in threads 8..11
+        {
+            // mode 5 thread distribution
+            // Thread	 8	9  10  11
+            // Rotation	 0	1   2   3
+
+            mode = 5;
+            compress_endpoints5( endPoint );
+        }
+
+        uint4 pixel = shared_temp[threadBase + 0].pixel;
+        if (1 == rotation)
+        {
+            pixel.ra = pixel.ar;
+        }
+        else if (2 == rotation)
+        {
+            pixel.ga = pixel.ag;
+        }
+        else if (3 == rotation)
+        {
+            pixel.ba = pixel.ab;
+        }
+
+        span = endPoint[1] - endPoint[0];
+        span_norm_sqr = uint2( dot( span.rgb, span.rgb ), span.a * span.a );
+        
+        // in mode 4 5 6, end point 0 must be closer to pixel 0 than end point 1, because of the fix-up index is always index 0
+        // TODO: this shouldn't be necessary here in error calculation
+        /*
+        dotProduct = int2( dot( span.rgb, pixel.rgb - endPoint[0].rgb ), span.a * ( pixel.a - endPoint[0].a ) );
+        if ( span_norm_sqr.x > 0 && dotProduct.x > 0 && uint( dotProduct.x * 63.49999 ) > uint( 32 * span_norm_sqr.x ) )
+        {
+            span.rgb = -span.rgb;
+            swap(endPoint[0].rgb, endPoint[1].rgb);
+        }
+        if ( span_norm_sqr.y > 0 && dotProduct.y > 0 && uint( dotProduct.y * 63.49999 ) > uint( 32 * span_norm_sqr.y ) )
+        {
+            span.a = -span.a;
+            swap(endPoint[0].a, endPoint[1].a);
+        }
+        */
+	
+        // should be the same as above
+        dotProduct = int2( dot( pixel.rgb - endPoint[0].rgb, pixel.rgb - endPoint[0].rgb ), dot( pixel.rgb - endPoint[1].rgb, pixel.rgb - endPoint[1].rgb ) );
+        if ( dotProduct.x > dotProduct.y )
+        {
+            span.rgb = -span.rgb;
+            swap(endPoint[0].rgb, endPoint[1].rgb);
+        }
+        dotProduct = int2( dot( pixel.a - endPoint[0].a, pixel.a - endPoint[0].a ), dot( pixel.a - endPoint[1].a, pixel.a - endPoint[1].a ) );
+        if ( dotProduct.x > dotProduct.y )
+        {
+            span.a = -span.a;
+            swap(endPoint[0].a, endPoint[1].a);
+        }
+
+        error = 0;
+        for ( uint i = 0; i < 16; i ++ )
+        {
+            pixel = shared_temp[threadBase + i].pixel;
+            if (1 == rotation)
+            {
+                pixel.ra = pixel.ar;
+            }
+            else if (2 == rotation)
+            {
+                pixel.ga = pixel.ag;
+            }
+            else if (3 == rotation)
+            {
+                pixel.ba = pixel.ab;
+            }
+
+            dotProduct.x = dot( span.rgb, pixel.rgb - endPoint[0].rgb );
+            color_index = ( span_norm_sqr.x <= 0 /*endPoint[0] == endPoint[1]*/ || dotProduct.x <= 0 /*pixel == endPoint[0]*/ ) ? 0
+                : ( ( dotProduct.x < span_norm_sqr.x ) ? aStep[indexPrec.x][ uint( dotProduct.x * 63.49999 / span_norm_sqr.x ) ] : aStep[indexPrec.x][63] );
+            dotProduct.y = dot( span.a, pixel.a - endPoint[0].a );
+            alpha_index = ( span_norm_sqr.y <= 0 || dotProduct.y <= 0 ) ? 0
+                : ( ( dotProduct.y < span_norm_sqr.y ) ? aStep[indexPrec.y][ uint( dotProduct.y * 63.49999 / span_norm_sqr.y ) ] : aStep[indexPrec.y][63] );
+
+            // the same color_index and alpha_index should be used for reconstruction, so this should be left commented out
+            /*if (index_selector)
+            {
+                swap(color_index, alpha_index);
+            }*/
+
+            pixel_r.rgb = ( ( 64 - aWeight[indexPrec.x][color_index] ) * endPoint[0].rgb +
+                            aWeight[indexPrec.x][color_index] * endPoint[1].rgb + 
+                            32 ) >> 6;
+            pixel_r.a = ( ( 64 - aWeight[indexPrec.y][alpha_index] ) * endPoint[0].a + 
+                          aWeight[indexPrec.y][alpha_index] * endPoint[1].a + 
+                          32 ) >> 6;
+
+            Ensure_A_Is_Larger( pixel_r, pixel );
+            pixel_r -= pixel;
+            if (1 == rotation)
+            {
+                pixel_r.ra = pixel_r.ar;
+            }
+            else if (2 == rotation)
+            {
+                pixel_r.ga = pixel_r.ag;
+            }
+            else if (3 == rotation)
+            {
+                pixel_r.ba = pixel_r.ab;
+            }
+            error += ComputeError(pixel_r, pixel_r);
+        }
+    }
+    else if (threadInBlock < 16) // Try mode 6 in threads 12..15, since in mode 4 5 6, only mode 6 has p bit
+    {
+        uint p = threadInBlock - 12;
+
+        compress_endpoints6( endPoint, uint2(p >> 0, p >> 1) & 1 );
+
+        uint4 pixel = shared_temp[threadBase + 0].pixel;
+
+        span = endPoint[1] - endPoint[0];
+        span_norm_sqr = dot( span, span );
+        dotProduct = dot( span, pixel - endPoint[0] );
+        if ( span_norm_sqr.x > 0 && dotProduct.x >= 0 && uint( dotProduct.x * 63.49999 ) > uint( 32 * span_norm_sqr.x ) )
+        {
+            span = -span;
+            swap(endPoint[0], endPoint[1]);
+        }
+            
+        error = 0;
+        for ( uint i = 0; i < 16; i ++ )
+        {
+            pixel = shared_temp[threadBase + i].pixel;
+            
+            dotProduct.x = dot( span, pixel - endPoint[0] );
+            color_index = ( span_norm_sqr.x <= 0 || dotProduct.x <= 0 ) ? 0
+                : ( ( dotProduct.x < span_norm_sqr.x ) ? aStep[0][ uint( dotProduct.x * 63.49999 / span_norm_sqr.x ) ] : aStep[0][63] );
+            
+            pixel_r = ( ( 64 - aWeight[0][color_index] ) * endPoint[0]
+                + aWeight[0][color_index] * endPoint[1] + 32 ) >> 6;
+        
+            Ensure_A_Is_Larger( pixel_r, pixel );
+            pixel_r -= pixel;
+            error += ComputeError(pixel_r, pixel_r);
+        }
+
+        mode = 6;
+        rotation = p;    // Borrow rotation for p
+    }
+
+    shared_temp[GI].error = error;
+    shared_temp[GI].mode = mode;
+    shared_temp[GI].index_selector = index_selector;
+    shared_temp[GI].rotation = rotation;
+
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+
+    if (threadInBlock < 8)
+    {
+        if ( shared_temp[GI].error > shared_temp[GI + 8].error )
+        {
+            shared_temp[GI].error = shared_temp[GI + 8].error;
+            shared_temp[GI].mode = shared_temp[GI + 8].mode;
+            shared_temp[GI].index_selector = shared_temp[GI + 8].index_selector;
+            shared_temp[GI].rotation = shared_temp[GI + 8].rotation;
+        }
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+    if (threadInBlock < 4)
+    {
+        if ( shared_temp[GI].error > shared_temp[GI + 4].error )
+        {
+            shared_temp[GI].error = shared_temp[GI + 4].error;
+            shared_temp[GI].mode = shared_temp[GI + 4].mode;
+            shared_temp[GI].index_selector = shared_temp[GI + 4].index_selector;
+            shared_temp[GI].rotation = shared_temp[GI + 4].rotation;
+        }
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+    if (threadInBlock < 2)
+    {
+        if ( shared_temp[GI].error > shared_temp[GI + 2].error )
+        {
+            shared_temp[GI].error = shared_temp[GI + 2].error;
+            shared_temp[GI].mode = shared_temp[GI + 2].mode;
+            shared_temp[GI].index_selector = shared_temp[GI + 2].index_selector;
+            shared_temp[GI].rotation = shared_temp[GI + 2].rotation;
+        }
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+    if (threadInBlock < 1)
+    {
+        if ( shared_temp[GI].error > shared_temp[GI + 1].error )
+        {
+            shared_temp[GI].error = shared_temp[GI + 1].error;
+            shared_temp[GI].mode = shared_temp[GI + 1].mode;
+            shared_temp[GI].index_selector = shared_temp[GI + 1].index_selector;
+            shared_temp[GI].rotation = shared_temp[GI + 1].rotation;
+        }
+
+        g_OutBuff[blockID] = uint4(shared_temp[GI].error, (shared_temp[GI].index_selector << 31) | shared_temp[GI].mode,
+            0, shared_temp[GI].rotation); // rotation is indeed rotation for mode 4 5. for mode 6, rotation is p bit
+    }
+}
+
+[numthreads( THREAD_GROUP_SIZE, 1, 1 )]
+void TryMode137CS( uint GI : SV_GroupIndex, uint3 groupID : SV_GroupID ) // mode 1 3 7 all have 2 subsets per block
+{
+    const uint MAX_USED_THREAD = 64;
+    uint BLOCK_IN_GROUP = THREAD_GROUP_SIZE / MAX_USED_THREAD;
+    uint blockInGroup = GI / MAX_USED_THREAD;
+    uint blockID = g_start_block_id + groupID.x * BLOCK_IN_GROUP + blockInGroup;
+    uint threadBase = blockInGroup * MAX_USED_THREAD;
+    uint threadInBlock = GI - threadBase;
+
+    uint block_y = blockID / g_num_block_x;
+    uint block_x = blockID - block_y * g_num_block_x;
+    uint base_x = block_x * BLOCK_SIZE_X;
+    uint base_y = block_y * BLOCK_SIZE_Y;
+    
+    if (threadInBlock < 16)
+    {
+        shared_temp[GI].pixel = clamp(uint4(g_Input.Load( uint3( base_x + threadInBlock % 4, base_y + threadInBlock / 4, 0 ) ) * 255), 0, 255);
+    }
+    GroupMemoryBarrierWithGroupSync();
+
+    shared_temp[GI].error = 0xFFFFFFFF;
+
+    uint4 pixel_r;
+    uint2x4 endPoint[2];        // endPoint[0..1 for subset id][0..1 for low and high in the subset]
+    uint2x4 endPointBackup[2];
+    uint color_index;
+    if (threadInBlock < 64)
+    {
+        uint partition = threadInBlock;
+
+        endPoint[0][0] = MAX_UINT;
+        endPoint[0][1] = MIN_UINT;
+        endPoint[1][0] = MAX_UINT;
+        endPoint[1][1] = MIN_UINT;
+        uint bits = candidateSectionBit[partition];
+        for ( uint i = 0; i < 16; i ++ )
+        {
+            uint4 pixel = shared_temp[threadBase + i].pixel;
+            if ( (( bits >> i ) & 0x01) == 1 )
+            {
+                endPoint[1][0] = min( endPoint[1][0], pixel );
+                endPoint[1][1] = max( endPoint[1][1], pixel );
+            }
+            else
+            {
+                endPoint[0][0] = min( endPoint[0][0], pixel );
+                endPoint[0][1] = max( endPoint[0][1], pixel );
+            }
+        }
+
+        endPointBackup[0] = endPoint[0];
+        endPointBackup[1] = endPoint[1];
+
+        uint max_p;
+        if (1 == g_mode_id)
+        {
+            // in mode 1, there is only one p bit per subset
+            max_p = 4;
+        }
+        else
+        {
+            // in mode 3 7, there are two p bits per subset, one for each end point
+            max_p = 16;
+        }
+
+        uint rotation = 0;
+        uint error = MAX_UINT;
+        for ( uint p = 0; p < max_p; p ++ )
+        {
+            endPoint[0] = endPointBackup[0];
+            endPoint[1] = endPointBackup[1];
+
+            for ( i = 0; i < 2; i ++ ) // loop through 2 subsets
+            {
+                if (g_mode_id == 1)
+                {
+                    compress_endpoints1( endPoint[i], (p >> i) & 1 );
+                }
+                else if (g_mode_id == 3)
+                {
+                    compress_endpoints3( endPoint[i], uint2(p >> (i * 2 + 0), p >> (i * 2 + 1)) & 1 );
+                }
+                else if (g_mode_id == 7)
+                {
+                    compress_endpoints7( endPoint[i], uint2(p >> (i * 2 + 0), p >> (i * 2 + 1)) & 1 );
+                }
+            }
+
+            int4 span[2];
+            span[0] = endPoint[0][1] - endPoint[0][0];
+            span[1] = endPoint[1][1] - endPoint[1][0];
+
+            if (g_mode_id != 7)
+            {
+                span[0].w = span[1].w = 0;
+            }
+
+            int span_norm_sqr[2];
+            span_norm_sqr[0] = dot( span[0], span[0] );
+            span_norm_sqr[1] = dot( span[1], span[1] );
+
+            // TODO: again, this shouldn't be necessary here in error calculation
+            int dotProduct = dot( span[0], shared_temp[threadBase + 0].pixel - endPoint[0][0] );
+            if ( span_norm_sqr[0] > 0 && dotProduct > 0 && uint( dotProduct * 63.49999 ) > uint( 32 * span_norm_sqr[0] ) )
+            {
+                span[0] = -span[0];
+                swap(endPoint[0][0], endPoint[0][1]);
+            }
+            dotProduct = dot( span[1], shared_temp[threadBase + candidateFixUpIndex1D[partition].x].pixel - endPoint[1][0] );
+            if ( span_norm_sqr[1] > 0 && dotProduct > 0 && uint( dotProduct * 63.49999 ) > uint( 32 * span_norm_sqr[1] ) )
+            {
+                span[1] = -span[1];
+                swap(endPoint[1][0], endPoint[1][1]);
+            }
+
+            uint step_selector;
+            if (g_mode_id != 1)
+            {
+                step_selector = 2;  // mode 3 7 have 2 bit index
+            }
+            else
+            {
+                step_selector = 1;  // mode 1 has 3 bit index
+            }
+
+            uint p_error = 0;            
+            for ( i = 0; i < 16; i ++ )
+            {
+                if (((bits >> i) & 0x01) == 1)
+                {
+                    dotProduct = dot( span[1], shared_temp[threadBase + i].pixel - endPoint[1][0] );
+                    color_index = (span_norm_sqr[1] <= 0 || dotProduct <= 0) ? 0
+                        : ((dotProduct < span_norm_sqr[1]) ? aStep[step_selector][uint(dotProduct * 63.49999 / span_norm_sqr[1])] : aStep[step_selector][63]);
+                }
+                else
+                {
+                    dotProduct = dot( span[0], shared_temp[threadBase + i].pixel - endPoint[0][0] );
+                    color_index = (span_norm_sqr[0] <= 0 || dotProduct <= 0) ? 0
+                        : ((dotProduct < span_norm_sqr[0]) ? aStep[step_selector][uint(dotProduct * 63.49999 / span_norm_sqr[0])] : aStep[step_selector][63]);
+                }
+
+                uint subset_index = (bits >> i) & 0x01;
+
+                pixel_r = ((64 - aWeight[step_selector][color_index]) * endPoint[subset_index][0]
+                    + aWeight[step_selector][color_index] * endPoint[subset_index][1] + 32) >> 6;
+                if (g_mode_id != 7)
+                {
+                    pixel_r.a = 255;
+                }
+
+                uint4 pixel = shared_temp[threadBase + i].pixel;
+                Ensure_A_Is_Larger( pixel_r, pixel );
+                pixel_r -= pixel;
+                p_error += ComputeError(pixel_r, pixel_r);
+            }
+
+            if (p_error < error)
+            {
+                error = p_error;
+                rotation = p;
+            }
+        }
+
+        shared_temp[GI].error = error;
+        shared_temp[GI].mode = g_mode_id;
+        shared_temp[GI].partition = partition;
+        shared_temp[GI].rotation = rotation; // mode 1 3 7 don't have rotation, we use rotation for p bits
+    }
+    GroupMemoryBarrierWithGroupSync();
+
+    if (threadInBlock < 32)
+    {
+        if ( shared_temp[GI].error > shared_temp[GI + 32].error )
+        {
+            shared_temp[GI].error = shared_temp[GI + 32].error;
+            shared_temp[GI].mode = shared_temp[GI + 32].mode;
+            shared_temp[GI].partition = shared_temp[GI + 32].partition;
+            shared_temp[GI].rotation = shared_temp[GI + 32].rotation;
+        }
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+if (threadInBlock < 16)
+    {
+        if ( shared_temp[GI].error > shared_temp[GI + 16].error )
+        {
+            shared_temp[GI].error = shared_temp[GI + 16].error;
+            shared_temp[GI].mode = shared_temp[GI + 16].mode;
+            shared_temp[GI].partition = shared_temp[GI + 16].partition;
+            shared_temp[GI].rotation = shared_temp[GI + 16].rotation;
+        }
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+    if (threadInBlock < 8)
+    {
+        if ( shared_temp[GI].error > shared_temp[GI + 8].error )
+        {
+            shared_temp[GI].error = shared_temp[GI + 8].error;
+            shared_temp[GI].mode = shared_temp[GI + 8].mode;
+            shared_temp[GI].partition = shared_temp[GI + 8].partition;
+            shared_temp[GI].rotation = shared_temp[GI + 8].rotation;
+        }
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+    if (threadInBlock < 4)
+    {
+        if ( shared_temp[GI].error > shared_temp[GI + 4].error )
+        {
+            shared_temp[GI].error = shared_temp[GI + 4].error;
+            shared_temp[GI].mode = shared_temp[GI + 4].mode;
+            shared_temp[GI].partition = shared_temp[GI + 4].partition;
+            shared_temp[GI].rotation = shared_temp[GI + 4].rotation;
+        }
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+    if (threadInBlock < 2)
+    {
+        if ( shared_temp[GI].error > shared_temp[GI + 2].error )
+        {
+            shared_temp[GI].error = shared_temp[GI + 2].error;
+            shared_temp[GI].mode = shared_temp[GI + 2].mode;
+            shared_temp[GI].partition = shared_temp[GI + 2].partition;
+            shared_temp[GI].rotation = shared_temp[GI + 2].rotation;
+        }
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+    if (threadInBlock < 1)
+    {
+        if ( shared_temp[GI].error > shared_temp[GI + 1].error )
+        {
+            shared_temp[GI].error = shared_temp[GI + 1].error;
+            shared_temp[GI].mode = shared_temp[GI + 1].mode;
+            shared_temp[GI].partition = shared_temp[GI + 1].partition;
+            shared_temp[GI].rotation = shared_temp[GI + 1].rotation;
+        }
+
+        if (g_InBuff[blockID].x > shared_temp[GI].error)
+        {
+            g_OutBuff[blockID] = uint4(shared_temp[GI].error, shared_temp[GI].mode, shared_temp[GI].partition, shared_temp[GI].rotation); // mode 1 3 7 don't have rotation, we use rotation for p bits
+        }
+        else
+        {
+            g_OutBuff[blockID] = g_InBuff[blockID];
+        }
+    }
+}
+
+[numthreads( THREAD_GROUP_SIZE, 1, 1 )]
+void TryMode02CS( uint GI : SV_GroupIndex, uint3 groupID : SV_GroupID ) // mode 0 2 have 3 subsets per block
+{
+    const uint MAX_USED_THREAD = 64;
+    uint BLOCK_IN_GROUP = THREAD_GROUP_SIZE / MAX_USED_THREAD;
+    uint blockInGroup = GI / MAX_USED_THREAD;
+    uint blockID = g_start_block_id + groupID.x * BLOCK_IN_GROUP + blockInGroup;
+    uint threadBase = blockInGroup * MAX_USED_THREAD;
+    uint threadInBlock = GI - threadBase;
+
+    uint block_y = blockID / g_num_block_x;
+    uint block_x = blockID - block_y * g_num_block_x;
+    uint base_x = block_x * BLOCK_SIZE_X;
+    uint base_y = block_y * BLOCK_SIZE_Y;
+    
+    if (threadInBlock < 16)
+    {
+        shared_temp[GI].pixel = clamp(uint4(g_Input.Load( uint3( base_x + threadInBlock % 4, base_y + threadInBlock / 4, 0 ) ) * 255), 0, 255);
+    }
+    GroupMemoryBarrierWithGroupSync();
+
+    shared_temp[GI].error = 0xFFFFFFFF;
+
+    uint num_partitions;
+    if (0 == g_mode_id)
+    {
+        num_partitions = 16;
+    }
+    else
+    {
+        num_partitions = 64;
+    }
+
+    uint4 pixel_r;
+    uint2x4 endPoint[3];        // endPoint[0..1 for subset id][0..1 for low and high in the subset]
+    uint2x4 endPointBackup[3];
+    uint color_index[16];
+    if (threadInBlock < num_partitions)
+    {
+        uint partition = threadInBlock + 64;
+
+        endPoint[0][0] = MAX_UINT;
+        endPoint[0][1] = MIN_UINT;
+        endPoint[1][0] = MAX_UINT;
+        endPoint[1][1] = MIN_UINT;
+        endPoint[2][0] = MAX_UINT;
+        endPoint[2][1] = MIN_UINT;
+        uint bits2 = candidateSectionBit2[partition - 64];
+        for ( uint i = 0; i < 16; i ++ )
+        {
+            uint4 pixel = shared_temp[threadBase + i].pixel;
+            uint subset_index = ( bits2 >> ( i * 2 ) ) & 0x03;
+            if ( subset_index == 2 )
+            {
+                endPoint[2][0] = min( endPoint[2][0], pixel );
+                endPoint[2][1] = max( endPoint[2][1], pixel );
+            }
+            else if ( subset_index == 1 )
+            {
+                endPoint[1][0] = min( endPoint[1][0], pixel );
+                endPoint[1][1] = max( endPoint[1][1], pixel );
+            }
+            else
+            {
+                endPoint[0][0] = min( endPoint[0][0], pixel );
+                endPoint[0][1] = max( endPoint[0][1], pixel );
+            }
+        }
+
+        endPointBackup[0] = endPoint[0];
+        endPointBackup[1] = endPoint[1];
+        endPointBackup[2] = endPoint[2];
+
+        uint max_p;
+        if (0 == g_mode_id)
+        {
+            max_p = 64; // changed from 32 to 64
+        }
+        else
+        {
+            max_p = 1;
+        }
+
+        uint rotation = 0;
+        uint error = MAX_UINT;
+        for ( uint p = 0; p < max_p; p ++ )
+        {
+            endPoint[0] = endPointBackup[0];
+            endPoint[1] = endPointBackup[1];
+            endPoint[2] = endPointBackup[2];
+
+            for ( i = 0; i < 3; i ++ )
+            {
+                if (0 == g_mode_id)
+                {
+                    compress_endpoints0( endPoint[i], uint2(p >> (i * 2 + 0), p >> (i * 2 + 1)) & 1 );
+                }
+                else
+                {
+                    compress_endpoints2( endPoint[i] );
+                }
+            }
+
+            uint step_selector = 1 + (2 == g_mode_id);
+
+            int4 span[3];
+            span[0] = endPoint[0][1] - endPoint[0][0];
+            span[1] = endPoint[1][1] - endPoint[1][0];
+            span[2] = endPoint[2][1] - endPoint[2][0];
+            span[0].w = span[1].w = span[2].w = 0;
+            int span_norm_sqr[3];
+            span_norm_sqr[0] = dot( span[0], span[0] );
+            span_norm_sqr[1] = dot( span[1], span[1] );
+            span_norm_sqr[2] = dot( span[2], span[2] );
+
+            // TODO: again, this shouldn't be necessary here in error calculation
+            uint ci[3] = { 0, candidateFixUpIndex1D[partition].x, candidateFixUpIndex1D[partition].y };
+            for (i = 0; i < 3; i ++)
+            {
+                int dotProduct = dot( span[i], shared_temp[threadBase + ci[i]].pixel - endPoint[i][0] );
+                if ( span_norm_sqr[i] > 0 && dotProduct > 0 && uint( dotProduct * 63.49999 ) > uint( 32 * span_norm_sqr[i] ) )
+                {
+                    span[i] = -span[i];
+                    swap(endPoint[i][0], endPoint[i][1]);
+                }
+            }
+
+            uint p_error = 0;
+            for ( i = 0; i < 16; i ++ )
+            {
+                uint subset_index = ( bits2 >> ( i * 2 ) ) & 0x03;
+                if ( subset_index == 2 )
+                {
+                    int dotProduct = dot( span[2], shared_temp[threadBase + i].pixel - endPoint[2][0] );
+                    color_index[i] = ( span_norm_sqr[2] <= 0 || dotProduct <= 0 ) ? 0
+                        : ( ( dotProduct < span_norm_sqr[2] ) ? aStep[step_selector][ uint( dotProduct * 63.49999 / span_norm_sqr[2] ) ] : aStep[step_selector][63] );
+                }
+                else if ( subset_index == 1 )
+                {
+                    int dotProduct = dot( span[1], shared_temp[threadBase + i].pixel - endPoint[1][0] );
+                    color_index[i] = ( span_norm_sqr[1] <= 0 || dotProduct <= 0 ) ? 0
+                        : ( ( dotProduct < span_norm_sqr[1] ) ? aStep[step_selector][ uint( dotProduct * 63.49999 / span_norm_sqr[1] ) ] : aStep[step_selector][63] );
+                }
+                else
+                {
+                    int dotProduct = dot( span[0], shared_temp[threadBase + i].pixel - endPoint[0][0] );
+                    color_index[i] = ( span_norm_sqr[0] <= 0 || dotProduct <= 0 ) ? 0
+                        : ( ( dotProduct < span_norm_sqr[0] ) ? aStep[step_selector][ uint( dotProduct * 63.49999 / span_norm_sqr[0] ) ] : aStep[step_selector][63] );
+                }
+
+                pixel_r = ( ( 64 - aWeight[step_selector][color_index[i]] ) * endPoint[subset_index][0]
+                    + aWeight[step_selector][color_index[i]] * endPoint[subset_index][1] + 32 ) >> 6;
+                pixel_r.a = 255;
+
+                uint4 pixel = shared_temp[threadBase + i].pixel;                
+                Ensure_A_Is_Larger( pixel_r, pixel );
+                pixel_r -= pixel;
+                p_error += ComputeError(pixel_r, pixel_r);
+            }
+
+            if (p_error < error)
+            {
+                error = p_error;
+                rotation = p;    // Borrow rotation for p
+            }
+        }
+
+        shared_temp[GI].error = error;
+        shared_temp[GI].partition = partition;
+        shared_temp[GI].rotation = rotation;
+    }
+    GroupMemoryBarrierWithGroupSync();
+
+    if (threadInBlock < 32)
+    {
+        if ( shared_temp[GI].error > shared_temp[GI + 32].error )
+        {
+            shared_temp[GI].error = shared_temp[GI + 32].error;
+            shared_temp[GI].partition = shared_temp[GI + 32].partition;
+            shared_temp[GI].rotation = shared_temp[GI + 32].rotation;
+        }
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+    if (threadInBlock < 16)
+    {
+        if ( shared_temp[GI].error > shared_temp[GI + 16].error )
+        {
+            shared_temp[GI].error = shared_temp[GI + 16].error;
+            shared_temp[GI].partition = shared_temp[GI + 16].partition;
+            shared_temp[GI].rotation = shared_temp[GI + 16].rotation;
+        }
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+    if (threadInBlock < 8)
+    {
+        if ( shared_temp[GI].error > shared_temp[GI + 8].error )
+        {
+            shared_temp[GI].error = shared_temp[GI + 8].error;
+            shared_temp[GI].partition = shared_temp[GI + 8].partition;
+            shared_temp[GI].rotation = shared_temp[GI + 8].rotation;
+        }
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+    if (threadInBlock < 4)
+    {
+        if ( shared_temp[GI].error > shared_temp[GI + 4].error )
+        {
+            shared_temp[GI].error = shared_temp[GI + 4].error;
+            shared_temp[GI].partition = shared_temp[GI + 4].partition;
+            shared_temp[GI].rotation = shared_temp[GI + 4].rotation;
+        }
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+    if (threadInBlock < 2)
+    {
+        if ( shared_temp[GI].error > shared_temp[GI + 2].error )
+        {
+            shared_temp[GI].error = shared_temp[GI + 2].error;
+            shared_temp[GI].partition = shared_temp[GI + 2].partition;
+            shared_temp[GI].rotation = shared_temp[GI + 2].rotation;
+        }
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+    if (threadInBlock < 1)
+    {
+        if ( shared_temp[GI].error > shared_temp[GI + 1].error )
+        {
+            shared_temp[GI].error = shared_temp[GI + 1].error;
+            shared_temp[GI].partition = shared_temp[GI + 1].partition;
+            shared_temp[GI].rotation = shared_temp[GI + 1].rotation;
+        }
+
+        if (g_InBuff[blockID].x > shared_temp[GI].error)
+        {
+            g_OutBuff[blockID] = uint4(shared_temp[GI].error, g_mode_id, shared_temp[GI].partition, shared_temp[GI].rotation); // rotation is actually p bit for mode 0. for mode 2, rotation is always 0
+        }
+        else
+        {
+            g_OutBuff[blockID] = g_InBuff[blockID];
+        }
+    }
+}
+
+[numthreads( THREAD_GROUP_SIZE, 1, 1 )]
+void EncodeBlockCS(uint GI : SV_GroupIndex, uint3 groupID : SV_GroupID)
+{
+    const uint MAX_USED_THREAD = 16;
+    uint BLOCK_IN_GROUP = THREAD_GROUP_SIZE / MAX_USED_THREAD;
+    uint blockInGroup = GI / MAX_USED_THREAD;
+    uint blockID = g_start_block_id + groupID.x * BLOCK_IN_GROUP + blockInGroup;
+    uint threadBase = blockInGroup * MAX_USED_THREAD;
+    uint threadInBlock = GI - threadBase;
+
+#ifndef REF_DEVICE
+    if (blockID >= g_num_total_blocks)
+    {
+        return;
+    }
+#endif
+
+    uint block_y = blockID / g_num_block_x;
+    uint block_x = blockID - block_y * g_num_block_x;
+    uint base_x = block_x * BLOCK_SIZE_X;
+    uint base_y = block_y * BLOCK_SIZE_Y;
+
+    uint mode = g_InBuff[blockID].y & 0x7FFFFFFF;
+    uint partition = g_InBuff[blockID].z;
+    uint index_selector = (g_InBuff[blockID].y >> 31) & 1;
+    uint rotation = g_InBuff[blockID].w;
+
+    if (threadInBlock < 16)
+    {
+        uint4 pixel = clamp(uint4(g_Input.Load( uint3( base_x + threadInBlock % 4, base_y + threadInBlock / 4, 0 ) ) * 255), 0, 255);
+
+        if ((4 == mode) || (5 == mode))
+        {
+            if (1 == rotation)
+            {
+                pixel.ra = pixel.ar;
+            }
+            else if (2 == rotation)
+            {
+                pixel.ga = pixel.ag;
+            }
+            else if (3 == rotation)
+            {
+                pixel.ba = pixel.ab;
+            }
+        }
+
+        shared_temp[GI].pixel = pixel;
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+
+    uint bits = candidateSectionBit[partition];
+    uint bits2 = candidateSectionBit2[partition - 64];
+
+    uint2x4 ep;
+    uint2x4 ep_quantized;
+    [unroll]
+    for (int ii = 2; ii >= 0; -- ii)
+    {
+        if (threadInBlock < 16)
+        {
+            uint2x4 ep;
+            ep[0] = MAX_UINT;
+            ep[1] = MIN_UINT;
+
+            uint4 pixel = shared_temp[GI].pixel;
+
+            uint subset_index = ( bits >> threadInBlock ) & 0x01;
+            uint subset_index2 = ( bits2 >> ( threadInBlock * 2 ) ) & 0x03;
+            if (0 == ii)
+            {
+                if ((0 == mode) || (2 == mode))
+                {
+                    if (0 == subset_index2)
+                    {
+                        ep[0] = ep[1] = pixel;
+                    }
+                }
+                else if ((1 == mode) || (3 == mode) || (7 == mode))
+                {
+                    if (0 == subset_index)
+                    {
+                        ep[0] = ep[1] = pixel;
+                    }
+                }
+                else if ((4 == mode) || (5 == mode) || (6 == mode))
+                {
+                    ep[0] = ep[1] = pixel;
+                }
+            }
+            else if (1 == ii)
+            {
+                if ((0 == mode) || (2 == mode))
+                {
+                    if (1 == subset_index2)
+                    {
+                        ep[0] = ep[1] = pixel;
+                    }
+                }
+                else if ((1 == mode) || (3 == mode) || (7 == mode))
+                {
+                    if (1 == subset_index)
+                    {
+                        ep[0] = ep[1] = pixel;
+                    }
+                }
+            }
+            else
+            {
+                if ((0 == mode) || (2 == mode))
+                {
+                    if (2 == subset_index2)
+                    {
+                        ep[0] = ep[1] = pixel;
+                    }
+                }
+            }
+
+            shared_temp[GI].endPoint_low = ep[0];
+            shared_temp[GI].endPoint_high = ep[1];
+        }
+#ifdef REF_DEVICE
+        GroupMemoryBarrierWithGroupSync();
+#endif
+
+        if (threadInBlock < 8)
+        {
+            shared_temp[GI].endPoint_low = min(shared_temp[GI].endPoint_low, shared_temp[GI + 8].endPoint_low);
+            shared_temp[GI].endPoint_high = max(shared_temp[GI].endPoint_high, shared_temp[GI + 8].endPoint_high);
+        }
+#ifdef REF_DEVICE
+        GroupMemoryBarrierWithGroupSync();
+#endif
+        if (threadInBlock < 4)
+        {
+            shared_temp[GI].endPoint_low = min(shared_temp[GI].endPoint_low, shared_temp[GI + 4].endPoint_low);
+            shared_temp[GI].endPoint_high = max(shared_temp[GI].endPoint_high, shared_temp[GI + 4].endPoint_high);
+        }
+#ifdef REF_DEVICE
+        GroupMemoryBarrierWithGroupSync();
+#endif
+        if (threadInBlock < 2)
+        {
+            shared_temp[GI].endPoint_low = min(shared_temp[GI].endPoint_low, shared_temp[GI + 2].endPoint_low);
+            shared_temp[GI].endPoint_high = max(shared_temp[GI].endPoint_high, shared_temp[GI + 2].endPoint_high);
+        }
+#ifdef REF_DEVICE
+        GroupMemoryBarrierWithGroupSync();
+#endif
+        if (threadInBlock < 1)
+        {
+            shared_temp[GI].endPoint_low = min(shared_temp[GI].endPoint_low, shared_temp[GI + 1].endPoint_low);
+            shared_temp[GI].endPoint_high = max(shared_temp[GI].endPoint_high, shared_temp[GI + 1].endPoint_high);
+        }
+#ifdef REF_DEVICE
+        GroupMemoryBarrierWithGroupSync();
+#endif
+
+        if (ii == (int)threadInBlock)
+        {
+            ep[0] = shared_temp[threadBase].endPoint_low;
+            ep[1] = shared_temp[threadBase].endPoint_high;
+        }
+    }
+
+    if (threadInBlock < 3)
+    {
+        uint2 P;
+        if (1 == mode)
+        {
+            P = (rotation >> threadInBlock) & 1;
+        }
+        else
+        {
+            P = uint2(rotation >> (threadInBlock * 2 + 0), rotation >> (threadInBlock * 2 + 1)) & 1;
+        }
+
+        if (0 == mode)
+        {
+            ep_quantized = compress_endpoints0( ep, P );
+        }
+        else if (1 == mode)
+        {
+            ep_quantized = compress_endpoints1( ep, P );
+        }
+        else if (2 == mode)
+        {
+            ep_quantized = compress_endpoints2( ep );
+        }
+        else if (3 == mode)
+        {
+            ep_quantized = compress_endpoints3( ep, P );
+        }
+        else if (4 == mode)
+        {
+            ep_quantized = compress_endpoints4( ep );
+        }
+        else if (5 == mode)
+        {
+            ep_quantized = compress_endpoints5( ep );
+        }
+        else if (6 == mode)
+        {
+            ep_quantized = compress_endpoints6( ep, P );
+        }
+        else //if (7 == mode)
+        {
+            ep_quantized = compress_endpoints7( ep, P );
+        }
+
+        int4 span = ep[1] - ep[0];
+        if (mode < 4)
+        {
+            span.w = 0;
+        }
+
+        if ((4 == mode) || (5 == mode))
+        {
+            if (0 == threadInBlock)
+            {
+                int2 span_norm_sqr = uint2( dot( span.rgb, span.rgb ), span.a * span.a );
+                int2 dotProduct = int2( dot( span.rgb, shared_temp[threadBase + 0].pixel.rgb - ep[0].rgb ), span.a * ( shared_temp[threadBase + 0].pixel.a - ep[0].a ) );
+                if ( span_norm_sqr.x > 0 && dotProduct.x > 0 && uint( dotProduct.x * 63.49999 ) > uint( 32 * span_norm_sqr.x ) )
+                {
+                    swap(ep[0].rgb, ep[1].rgb);
+                    swap(ep_quantized[0].rgb, ep_quantized[1].rgb);
+                }
+                if ( span_norm_sqr.y > 0 && dotProduct.y > 0 && uint( dotProduct.y * 63.49999 ) > uint( 32 * span_norm_sqr.y ) )
+                {
+                    swap(ep[0].a, ep[1].a);
+                    swap(ep_quantized[0].a, ep_quantized[1].a);		    
+                }
+            }
+        }
+        else //if ((0 == mode) || (2 == mode) || (1 == mode) || (3 == mode) || (7 == mode) || (6 == mode))
+        {
+            int p;
+            if (0 == threadInBlock)
+            {
+                p = 0;
+            }
+            else if (1 == threadInBlock)
+            {
+                p = candidateFixUpIndex1D[partition].x;
+            }
+            else //if (2 == threadInBlock)
+            {
+                p = candidateFixUpIndex1D[partition].y;
+            }
+
+            int span_norm_sqr = dot( span, span );
+            int dotProduct = dot( span, shared_temp[threadBase + p].pixel - ep[0] );
+            if ( span_norm_sqr > 0 && dotProduct > 0 && uint( dotProduct * 63.49999 ) > uint( 32 * span_norm_sqr ) )
+            {
+                swap(ep[0], ep[1]);
+                swap(ep_quantized[0], ep_quantized[1]);		
+            }
+        }
+
+        shared_temp[GI].endPoint_low = ep[0];
+        shared_temp[GI].endPoint_high = ep[1];
+        shared_temp[GI].endPoint_low_quantized = ep_quantized[0];
+        shared_temp[GI].endPoint_high_quantized = ep_quantized[1];
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+
+    if (threadInBlock < 16)
+    {
+        uint color_index = 0;
+        uint alpha_index = 0;
+
+        uint2x4 ep;
+
+        uint2 indexPrec;
+        if ((0 == mode) || (1 == mode))
+        {
+            indexPrec = 1;
+        }
+        else if (6 == mode)
+        {
+            indexPrec = 0;
+        }
+        else if (4 == mode)
+        {
+            if (0 == index_selector)
+            {
+                indexPrec = uint2(2, 1);
+            }
+            else
+            {
+                indexPrec = uint2(1, 2);
+            }
+        }
+        else
+        {
+            indexPrec = 2;
+        }
+
+        int subset_index;
+        if ((0 == mode) || (2 == mode))
+        {
+            subset_index = (bits2 >> (threadInBlock * 2)) & 0x03;
+        }
+        else if ((1 == mode) || (3 == mode) || (7 == mode))
+        {
+            subset_index = (bits >> threadInBlock) & 0x01;
+        }
+        else
+        {
+            subset_index = 0;
+        }
+
+        ep[0] = shared_temp[threadBase + subset_index].endPoint_low;
+        ep[1] = shared_temp[threadBase + subset_index].endPoint_high;
+
+        int4 span = ep[1] - ep[0];
+        if (mode < 4)
+        {
+            span.w = 0;
+        }
+
+        if ((4 == mode) || (5 == mode))
+        {
+            int2 span_norm_sqr;
+            span_norm_sqr.x = dot( span.rgb, span.rgb );
+            span_norm_sqr.y = span.a * span.a;
+            
+            int dotProduct = dot( span.rgb, shared_temp[threadBase + threadInBlock].pixel.rgb - ep[0].rgb );
+            color_index = ( span_norm_sqr.x <= 0 || dotProduct <= 0 ) ? 0
+                    : ( ( dotProduct < span_norm_sqr.x ) ? aStep[indexPrec.x][ uint( dotProduct * 63.49999 / span_norm_sqr.x ) ] : aStep[indexPrec.x][63] );
+            dotProduct = dot( span.a, shared_temp[threadBase + threadInBlock].pixel.a - ep[0].a );
+            alpha_index = ( span_norm_sqr.y <= 0 || dotProduct <= 0 ) ? 0
+                    : ( ( dotProduct < span_norm_sqr.y ) ? aStep[indexPrec.y][ uint( dotProduct * 63.49999 / span_norm_sqr.y ) ] : aStep[indexPrec.y][63] );
+
+            if (index_selector)
+            {
+                swap(color_index, alpha_index);
+            }
+        }
+        else
+        {
+            int span_norm_sqr = dot( span, span );
+
+            int dotProduct = dot( span, shared_temp[threadBase + threadInBlock].pixel - ep[0] );
+            color_index = ( span_norm_sqr <= 0 || dotProduct <= 0 ) ? 0
+                    : ( ( dotProduct < span_norm_sqr ) ? aStep[indexPrec.x][ uint( dotProduct * 63.49999 / span_norm_sqr ) ] : aStep[indexPrec.x][63] );
+        }
+
+        shared_temp[GI].error = color_index;
+        shared_temp[GI].mode = alpha_index;
+    }
+#ifdef REF_DEVICE
+    GroupMemoryBarrierWithGroupSync();
+#endif
+
+    if (0 == threadInBlock)
+    {
+        uint4 block;
+        if (0 == mode)
+        {
+            block_package0( block, partition, threadBase );
+        }
+        else if (1 == mode)
+        {
+            block_package1( block, partition, threadBase );
+        }
+        else if (2 == mode)
+        {
+            block_package2( block, partition, threadBase );
+        }
+        else if (3 == mode)
+        {
+            block_package3( block, partition, threadBase );
+        }
+        else if (4 == mode)
+        {
+            block_package4( block, rotation, index_selector, threadBase );
+        }
+        else if (5 == mode)
+        {
+            block_package5( block, rotation, threadBase );
+        }
+        else if (6 == mode)
+        {
+            block_package6( block, threadBase );
+        }
+        else //if (7 == mode)
+        {
+            block_package7( block, partition, threadBase );
+        }
+
+        g_OutBuff[blockID] = block;
+    }
+}
+
+//uint4 truncate_and_round( uint4 color, uint bits)
+//{
+//    uint precisionMask = ((1 << bits) - 1) << (8 - bits);
+//    uint precisionHalf = (1 << (7-bits));
+//
+//    uint4 truncated = color & precisionMask; 
+//    uint4 rounded = min(255, color + precisionHalf) & precisionMask;
+//    
+//    uint4 truncated_bak = truncated = truncated | (truncated >> bits);
+//    uint4 rounded_bak = rounded = rounded | (rounded >> bits);
+//
+//    uint4 color_bak = color;
+//    
+//    Ensure_A_Is_Larger( rounded, color );
+//    Ensure_A_Is_Larger( truncated, color_bak );
+//
+//    if (dot(rounded - color, rounded - color) < 
+//        dot(truncated - color_bak, truncated - color_bak))
+//    {
+//        return rounded_bak;
+//    }
+//    else
+//    {
+//        return truncated_bak;
+//    }
+//}
+
+uint4 quantize( uint4 color, uint uPrec )
+{
+    uint4 rnd = min(255, color + (1 << (7 - uPrec)));
+    return rnd >> (8 - uPrec);
+}
+
+uint4 unquantize( uint4 color, uint uPrec )
+{
+    color = color << (8 - uPrec);
+    return color | (color >> uPrec);
+}
+
+uint2x4 compress_endpoints0( inout uint2x4 endPoint, uint2 P )
+{
+    uint2x4 quantized;
+    for ( uint j = 0; j < 2; j ++ )
+    {
+        quantized[j].rgb = quantize(endPoint[j].rgbb, 5).rgb & 0xFFFFFFFE;
+	    quantized[j].rgb |= P[j];
+        quantized[j].a = 0xFF;
+
+        endPoint[j].rgb = unquantize(quantized[j].rgbb, 5).rgb;
+        endPoint[j].a = 0xFF;
+
+        quantized[j] <<= 3;
+    }
+    return quantized;
+}
+uint2x4 compress_endpoints1( inout uint2x4 endPoint, uint2 P )
+{
+    uint2x4 quantized;
+    for ( uint j = 0; j < 2; j ++ )
+    {
+        quantized[j].rgb = quantize(endPoint[j].rgbb, 7).rgb & 0xFFFFFFFE;
+	    quantized[j].rgb |= P[j];
+        quantized[j].a = 0xFF;
+
+        endPoint[j].rgb = unquantize(quantized[j].rgbb, 7).rgb;
+	    endPoint[j].a = 0xFF;
+
+        quantized[j] <<= 1;
+    }
+    return quantized;
+}
+uint2x4 compress_endpoints2( inout uint2x4 endPoint )
+{
+    uint2x4 quantized;
+    for ( uint j = 0; j < 2; j ++ )
+    {
+        quantized[j].rgb = quantize(endPoint[j].rgbb, 5).rgb;
+        quantized[j].a = 0xFF;
+
+        endPoint[j].rgb = unquantize(quantized[j].rgbb, 5).rgb;
+	    endPoint[j].a = 0xFF;    
+
+        quantized[j] <<= 3;
+    }
+    return quantized;
+}
+uint2x4 compress_endpoints3( inout uint2x4 endPoint, uint2 P )
+{
+    uint2x4 quantized;
+    for ( uint j = 0; j < 2; j ++ )
+    {
+        quantized[j].rgb = endPoint[j].rgb & 0xFFFFFFFE;
+	    quantized[j].rgb |= P[j];
+        quantized[j].a = 0xFF;
+        
+        endPoint[j].rgb = quantized[j].rgb;
+        endPoint[j].a = 0xFF;
+    }
+    return quantized;
+}
+uint2x4 compress_endpoints4( inout uint2x4 endPoint )
+{
+    uint2x4 quantized;
+    for ( uint j = 0; j < 2; j ++ )
+    {
+        quantized[j].rgb = quantize(endPoint[j].rgbb, 5).rgb;
+        quantized[j].a = quantize(endPoint[j].a, 6).r;
+        
+        endPoint[j].rgb = unquantize(quantized[j].rgbb, 5).rgb;        
+        endPoint[j].a = unquantize(quantized[j].a, 6).r;
+
+        quantized[j].rgb <<= 3;
+        quantized[j].a <<= 2;
+    }    
+    return quantized;
+}
+uint2x4 compress_endpoints5( inout uint2x4 endPoint )
+{
+    uint2x4 quantized;
+    for ( uint j = 0; j < 2; j ++ )
+    {
+        quantized[j].rgb = quantize(endPoint[j].rgbb, 7).rgb;
+        quantized[j].a = endPoint[j].a;
+
+        endPoint[j].rgb = unquantize(quantized[j].rgbb, 7).rgb;
+        // endPoint[j].a   Alpha is full precision
+
+        quantized[j].rgb <<= 1;
+    }    
+    return quantized;
+}
+uint2x4 compress_endpoints6( inout uint2x4 endPoint, uint2 P )
+{
+    uint2x4 quantized;
+    for ( uint j = 0; j < 2; j ++ )
+    {
+        quantized[j] = endPoint[j] & 0xFFFFFFFE;
+	    quantized[j] |= P[j];
+	        
+        endPoint[j] = quantized[j];
+    }
+    return quantized;
+}
+uint2x4 compress_endpoints7( inout uint2x4 endPoint, uint2 P )
+{
+    uint2x4 quantized;
+    for ( uint j = 0; j < 2; j ++ )
+    {
+        quantized[j] = quantize(endPoint[j], 6) & 0xFFFFFFFE;
+	    quantized[j] |= P[j];
+
+        endPoint[j] = unquantize(quantized[j], 6);
+    }
+    return quantized << 2;
+}
+
+#define get_end_point_l(subset) shared_temp[threadBase + subset].endPoint_low_quantized
+#define get_end_point_h(subset) shared_temp[threadBase + subset].endPoint_high_quantized
+#define get_color_index(index) shared_temp[threadBase + index].error
+#define get_alpha_index(index) shared_temp[threadBase + index].mode
+
+void block_package0( out uint4 block, uint partition, uint threadBase )
+{
+    block.x = 0x01 | ( (partition - 64) << 1 ) 
+            | ( ( get_end_point_l(0).r & 0xF0 ) <<  1 ) | ( ( get_end_point_h(0).r & 0xF0 ) <<  5 ) 
+            | ( ( get_end_point_l(1).r & 0xF0 ) <<  9 ) | ( ( get_end_point_h(1).r & 0xF0 ) << 13 ) 
+            | ( ( get_end_point_l(2).r & 0xF0 ) << 17 ) | ( ( get_end_point_h(2).r & 0xF0 ) << 21 ) 
+            | ( ( get_end_point_l(0).g & 0xF0 ) << 25 );
+    block.y = ( ( get_end_point_l(0).g & 0xF0 ) >>  7 ) | ( ( get_end_point_h(0).g & 0xF0 ) >>  3 ) 
+            | ( ( get_end_point_l(1).g & 0xF0 ) <<  1 ) | ( ( get_end_point_h(1).g & 0xF0 ) <<  5 ) 
+            | ( ( get_end_point_l(2).g & 0xF0 ) <<  9 ) | ( ( get_end_point_h(2).g & 0xF0 ) << 13 ) 
+            | ( ( get_end_point_l(0).b & 0xF0 ) << 17 ) | ( ( get_end_point_h(0).b & 0xF0 ) << 21 )
+            | ( ( get_end_point_l(1).b & 0xF0 ) << 25 );
+    block.z = ( ( get_end_point_l(1).b & 0xF0 ) >>  7 ) | ( ( get_end_point_h(1).b & 0xF0 ) >>  3 ) 
+            | ( ( get_end_point_l(2).b & 0xF0 ) <<  1 ) | ( ( get_end_point_h(2).b & 0xF0 ) <<  5 ) 
+            | ( ( get_end_point_l(0).r & 0x08 ) << 10 ) | ( ( get_end_point_h(0).r & 0x08 ) << 11 ) 
+            | ( ( get_end_point_l(1).r & 0x08 ) << 12 ) | ( ( get_end_point_h(1).r & 0x08 ) << 13 ) 
+            | ( ( get_end_point_l(2).r & 0x08 ) << 14 ) | ( ( get_end_point_h(2).r & 0x08 ) << 15 )
+            | ( get_color_index(0) << 19 );
+    block.w = 0;
+    uint i = 1;
+    for ( ; i <= min( candidateFixUpIndex1DOrdered[partition][0], 4 ); i ++ )
+    {
+        block.z |= get_color_index(i) << ( i * 3 + 18 );
+    }
+    if ( candidateFixUpIndex1DOrdered[partition][0] < 4 ) //i = 4
+    {
+        block.z |= get_color_index(4) << 29;
+        i += 1;
+    }
+    else //i = 5
+    {
+        block.w |= ( get_color_index(4) & 0x04 ) >> 2;
+        for ( ; i <= candidateFixUpIndex1DOrdered[partition][0]; i ++ )
+            block.w |= get_color_index(i) << ( i * 3 - 14 );
+    }
+    for ( ; i <= candidateFixUpIndex1DOrdered[partition][1]; i ++ )
+    {
+        block.w |= get_color_index(i) << ( i * 3 - 15 );
+    }
+    for ( ; i < 16; i ++ )
+    {
+        block.w |= get_color_index(i) << ( i * 3 - 16 );
+    }
+}
+void block_package1( out uint4 block, uint partition, uint threadBase )
+{
+    block.x = 0x02 | ( partition << 2 ) 
+            | ( ( get_end_point_l(0).r & 0xFC ) <<  6 ) | ( ( get_end_point_h(0).r & 0xFC ) << 12 ) 
+            | ( ( get_end_point_l(1).r & 0xFC ) << 18 ) | ( ( get_end_point_h(1).r & 0xFC ) << 24 );
+    block.y = ( ( get_end_point_l(0).g & 0xFC ) >>  2 ) | ( ( get_end_point_h(0).g & 0xFC ) <<  4 ) 
+            | ( ( get_end_point_l(1).g & 0xFC ) << 10 ) | ( ( get_end_point_h(1).g & 0xFC ) << 16 )
+            | ( ( get_end_point_l(0).b & 0xFC ) << 22 ) | ( ( get_end_point_h(0).b & 0xFC ) << 28 );
+    block.z = ( ( get_end_point_h(0).b & 0xFC ) >>  4 ) | ( ( get_end_point_l(1).b & 0xFC ) <<  2 )
+            | ( ( get_end_point_h(1).b & 0xFC ) <<  8 ) 
+            | ( ( get_end_point_l(0).r & 0x02 ) << 15 ) | ( ( get_end_point_l(1).r & 0x02 ) << 16 )
+            | ( get_color_index(0) << 18 );
+    if ( candidateFixUpIndex1DOrdered[partition][0] == 15 )
+    {
+        block.w = (get_color_index(15) << 30) | (get_color_index(14) << 27) | (get_color_index(13) << 24) | (get_color_index(12) << 21) | (get_color_index(11) << 18) | (get_color_index(10) << 15)
+            | (get_color_index(9) << 12) | (get_color_index(8) << 9) | (get_color_index(7) << 6) | (get_color_index(6) << 3) | get_color_index(5);
+        block.z |= (get_color_index(4) << 29) | (get_color_index(3) << 26) | (get_color_index(2) << 23) | (get_color_index(1) << 20) | (get_color_index(0) << 18);
+    }
+    else if ( candidateFixUpIndex1DOrdered[partition][0] == 2 )
+    {
+        block.w = (get_color_index(15) << 29) | (get_color_index(14) << 26) | (get_color_index(13) << 23) | (get_color_index(12) << 20) | (get_color_index(11) << 17) | (get_color_index(10) << 14)
+            | (get_color_index(9) << 11) | (get_color_index(8) << 8) | (get_color_index(7) << 5) | (get_color_index(6) << 2) | (get_color_index(5) >> 1);
+        block.z |= (get_color_index(5) << 31) | (get_color_index(4) << 28) | (get_color_index(3) << 25) | (get_color_index(2) << 23) | (get_color_index(1) << 20) | (get_color_index(0) << 18);
+    }
+    else if ( candidateFixUpIndex1DOrdered[partition][0] == 8 )
+    {
+        block.w = (get_color_index(15) << 29) | (get_color_index(14) << 26) | (get_color_index(13) << 23) | (get_color_index(12) << 20) | (get_color_index(11) << 17) | (get_color_index(10) << 14)
+            | (get_color_index(9) << 11) | (get_color_index(8) << 9) | (get_color_index(7) << 6) | (get_color_index(6) << 3) | get_color_index(5);
+        block.z |= (get_color_index(4) << 29) | (get_color_index(3) << 26) | (get_color_index(2) << 23) | (get_color_index(1) << 20) | (get_color_index(0) << 18);
+    }
+    else //candidateFixUpIndex1DOrdered[partition] == 6
+    {
+        block.w = (get_color_index(15) << 29) | (get_color_index(14) << 26) | (get_color_index(13) << 23) | (get_color_index(12) << 20) | (get_color_index(11) << 17) | (get_color_index(10) << 14)
+            | (get_color_index(9) << 11) | (get_color_index(8) << 8) | (get_color_index(7) << 6) | (get_color_index(6) << 4) | get_color_index(5);
+        block.z |= (get_color_index(4) << 29) | (get_color_index(3) << 26) | (get_color_index(2) << 23) | (get_color_index(1) << 20) | (get_color_index(0) << 18);
+    }
+}
+void block_package2( out uint4 block, uint partition, uint threadBase )
+{
+    block.x = 0x04 | ( (partition - 64) << 3 ) 
+            | ( ( get_end_point_l(0).r & 0xF8 ) <<  6 ) | ( ( get_end_point_h(0).r & 0xF8 ) << 11 ) 
+            | ( ( get_end_point_l(1).r & 0xF8 ) << 16 ) | ( ( get_end_point_h(1).r & 0xF8 ) << 21 ) 
+            | ( ( get_end_point_l(2).r & 0xF8 ) << 26 );
+    block.y = ( ( get_end_point_l(2).r & 0xF8 ) >>  6 ) | ( ( get_end_point_h(2).r & 0xF8 ) >>  1 )
+            | ( ( get_end_point_l(0).g & 0xF8 ) <<  4 ) | ( ( get_end_point_h(0).g & 0xF8 ) <<  9 ) 
+            | ( ( get_end_point_l(1).g & 0xF8 ) << 14 ) | ( ( get_end_point_h(1).g & 0xF8 ) << 19 ) 
+            | ( ( get_end_point_l(2).g & 0xF8 ) << 24 );
+    block.z = ( ( get_end_point_h(2).g & 0xF8 ) >>  3 ) | ( ( get_end_point_l(0).b & 0xF8 ) <<  2 )
+            | ( ( get_end_point_h(0).b & 0xF8 ) <<  7 )	| ( ( get_end_point_l(1).b & 0xF8 ) << 12 )
+            | ( ( get_end_point_h(1).b & 0xF8 ) << 17 ) | ( ( get_end_point_l(2).b & 0xF8 ) << 22 ) 
+            | ( ( get_end_point_h(2).b & 0xF8 ) << 27 );
+    block.w = ( ( get_end_point_h(2).b & 0xF8 ) >>  5 ) 
+            | ( get_color_index(0) << 3 );
+    uint i = 1;
+    for ( ; i <= candidateFixUpIndex1DOrdered[partition][0]; i ++ )
+    {
+        block.w |= get_color_index(i) << ( i * 2 + 2 );
+    }
+    for ( ; i <= candidateFixUpIndex1DOrdered[partition][1]; i ++ )
+    {
+        block.w |= get_color_index(i) << ( i * 2 + 1 );
+    }
+    for ( ; i < 16; i ++ )
+    {
+        block.w |= get_color_index(i) << ( i * 2 );
+    }
+}
+void block_package3( out uint4 block, uint partition, uint threadBase )
+{
+    block.x = 0x08 | ( partition << 4 ) 
+            | ( ( get_end_point_l(0).r & 0xFE ) <<  9 ) | ( ( get_end_point_h(0).r & 0xFE ) << 16 ) 
+            | ( ( get_end_point_l(1).r & 0xFE ) << 23 ) | ( ( get_end_point_h(1).r & 0xFE ) << 30 );
+    block.y = ( ( get_end_point_h(1).r & 0xFE ) >>  2 ) | ( ( get_end_point_l(0).g & 0xFE ) <<  5 )
+            | ( ( get_end_point_h(0).g & 0xFE ) << 12 ) | ( ( get_end_point_l(1).g & 0xFE ) << 19 )
+            | ( ( get_end_point_h(1).g & 0xFE ) << 26 );
+    block.z = ( ( get_end_point_h(1).g & 0xFE ) >>  6 ) | ( ( get_end_point_l(0).b & 0xFE ) <<  1 )
+            | ( ( get_end_point_h(0).b & 0xFE ) <<  8 ) | ( ( get_end_point_l(1).b & 0xFE ) << 15 )
+            | ( ( get_end_point_h(1).b & 0xFE ) << 22 )
+            | ( ( get_end_point_l(0).r & 0x01 ) << 30 ) | ( ( get_end_point_h(0).r & 0x01 ) << 31 );
+    block.w = ( ( get_end_point_l(1).r & 0x01 ) <<  0 ) | ( ( get_end_point_h(1).r & 0x01 ) <<  1 )
+            | ( get_color_index(0) << 2 );
+    uint i = 1;
+    for ( ; i <= candidateFixUpIndex1DOrdered[partition][0]; i ++ )
+    {
+        block.w |= get_color_index(i) << ( i * 2 + 1 );
+    }
+    for ( ; i < 16; i ++ )
+    {
+        block.w |= get_color_index(i) << ( i * 2 );
+    }
+}
+void block_package4( out uint4 block, uint rotation, uint index_selector, uint threadBase )
+{
+    block.x = 0x10 | ( (rotation & 3) << 5 ) | ( (index_selector & 1) << 7 )
+            | ( ( get_end_point_l(0).r & 0xF8 ) <<  5 ) | ( ( get_end_point_h(0).r & 0xF8 ) << 10 )
+            | ( ( get_end_point_l(0).g & 0xF8 ) << 15 ) | ( ( get_end_point_h(0).g & 0xF8 ) << 20 )
+            | ( ( get_end_point_l(0).b & 0xF8 ) << 25 );
+
+    block.y = ( ( get_end_point_l(0).b & 0xF8 ) >>  7 ) | ( ( get_end_point_h(0).b & 0xF8 ) >>  2 )
+            | ( ( get_end_point_l(0).a & 0xFC ) <<  4 ) | ( ( get_end_point_h(0).a & 0xFC ) << 10 )
+            | ( (get_color_index(0) & 1) << 18 ) | ( get_color_index(1) << 19 ) | ( get_color_index(2) << 21 ) | ( get_color_index(3) << 23 ) 
+            | ( get_color_index(4) << 25 ) | ( get_color_index(5) << 27 ) | ( get_color_index(6) << 29 ) | ( get_color_index(7) << 31 );
+
+    block.z = ( get_color_index(7) >>  1 ) | ( get_color_index(8) <<  1 ) | ( get_color_index(9) <<  3 ) | ( get_color_index(10)<<  5 )
+            | ( get_color_index(11)<<  7 ) | ( get_color_index(12)<<  9 ) | ( get_color_index(13)<< 11 ) | ( get_color_index(14)<< 13 )
+            | ( get_color_index(15)<< 15 ) | ( (get_alpha_index(0) & 3) << 17 ) | ( get_alpha_index(1) << 19 ) | ( get_alpha_index(2) << 22 )
+            | ( get_alpha_index(3) << 25 ) | ( get_alpha_index(4) << 28 ) | ( get_alpha_index(5) << 31 );
+
+    block.w = ( get_alpha_index(5) >>  1 ) | ( get_alpha_index(6) <<  2 ) | ( get_alpha_index(7) <<  5 ) | ( get_alpha_index(8) <<  8 ) 
+            | ( get_alpha_index(9) << 11 ) | ( get_alpha_index(10)<< 14 ) | ( get_alpha_index(11)<< 17 ) | ( get_alpha_index(12)<< 20 ) 
+            | ( get_alpha_index(13)<< 23 ) | ( get_alpha_index(14)<< 26 ) | ( get_alpha_index(15)<< 29 );
+}
+void block_package5( out uint4 block, uint rotation, uint threadBase )
+{
+    block.x = 0x20 | ( rotation << 6 )
+            | ( ( get_end_point_l(0).r & 0xFE ) <<  7 ) | ( ( get_end_point_h(0).r & 0xFE ) << 14 )
+            | ( ( get_end_point_l(0).g & 0xFE ) << 21 ) | ( ( get_end_point_h(0).g & 0xFE ) << 28 );
+    block.y = ( ( get_end_point_h(0).g & 0xFE ) >>  4 ) | ( ( get_end_point_l(0).b & 0xFE ) <<  3 )
+            | ( ( get_end_point_h(0).b & 0xFE ) << 10 )	| ( get_end_point_l(0).a << 18 ) | ( get_end_point_h(0).a << 26 );
+    block.z = ( get_end_point_h(0).a >>  6 )
+            | ( get_color_index(0) <<  2 ) | ( get_color_index(1) <<  3 ) | ( get_color_index(2) <<  5 ) | ( get_color_index(3) <<  7 ) 
+            | ( get_color_index(4) <<  9 ) | ( get_color_index(5) << 11 ) | ( get_color_index(6) << 13 ) | ( get_color_index(7) << 15 )
+            | ( get_color_index(8) << 17 ) | ( get_color_index(9) << 19 ) | ( get_color_index(10)<< 21 ) | ( get_color_index(11)<< 23 ) 
+            | ( get_color_index(12)<< 25 ) | ( get_color_index(13)<< 27 ) | ( get_color_index(14)<< 29 ) | ( get_color_index(15)<< 31 );
+    block.w =  ( get_color_index(15)>> 1 ) | ( get_alpha_index(0) <<  1 ) | ( get_alpha_index(1) <<  2 ) | ( get_alpha_index(2) <<  4 )
+            | ( get_alpha_index(3) <<  6 ) | ( get_alpha_index(4) <<  8 ) | ( get_alpha_index(5) << 10 ) | ( get_alpha_index(6) << 12 )
+            | ( get_alpha_index(7) << 14 ) | ( get_alpha_index(8) << 16 ) | ( get_alpha_index(9) << 18 ) | ( get_alpha_index(10)<< 20 ) 
+            | ( get_alpha_index(11)<< 22 ) | ( get_alpha_index(12)<< 24 ) | ( get_alpha_index(13)<< 26 ) | ( get_alpha_index(14)<< 28 )
+            | ( get_alpha_index(15)<< 30 );
+}
+void block_package6( out uint4 block, uint threadBase )
+{
+    block.x = 0x40
+            | ( ( get_end_point_l(0).r & 0xFE ) <<  6 ) | ( ( get_end_point_h(0).r & 0xFE ) << 13 )
+            | ( ( get_end_point_l(0).g & 0xFE ) << 20 ) | ( ( get_end_point_h(0).g & 0xFE ) << 27 );
+    block.y = ( ( get_end_point_h(0).g & 0xFE ) >>  5 ) | ( ( get_end_point_l(0).b & 0xFE ) <<  2 )
+            | ( ( get_end_point_h(0).b & 0xFE ) <<  9 )	| ( ( get_end_point_l(0).a & 0xFE ) << 16 )
+            | ( ( get_end_point_h(0).a & 0xFE ) << 23 )
+            | ( get_end_point_l(0).r & 0x01 ) << 31;
+    block.z = ( get_end_point_h(0).r & 0x01 )
+            | ( get_color_index(0) <<  1 ) | ( get_color_index(1) <<  4 ) | ( get_color_index(2) <<  8 ) | ( get_color_index(3) << 12 ) 
+            | ( get_color_index(4) << 16 ) | ( get_color_index(5) << 20 ) | ( get_color_index(6) << 24 ) | ( get_color_index(7) << 28 );
+    block.w = ( get_color_index(8) <<  0 ) | ( get_color_index(9) <<  4 ) | ( get_color_index(10)<<  8 ) | ( get_color_index(11)<< 12 ) 
+            | ( get_color_index(12)<< 16 ) | ( get_color_index(13)<< 20 ) | ( get_color_index(14)<< 24 ) | ( get_color_index(15)<< 28 );
+}
+void block_package7( out uint4 block, uint partition, uint threadBase )
+{
+    block.x = 0x80 | ( partition << 8 ) 
+            | ( ( get_end_point_l(0).r & 0xF8 ) << 11 ) | ( ( get_end_point_h(0).r & 0xF8 ) << 16 ) 
+            | ( ( get_end_point_l(1).r & 0xF8 ) << 21 ) | ( ( get_end_point_h(1).r & 0xF8 ) << 26 );
+    block.y = ( ( get_end_point_h(1).r & 0xF8 ) >>  6 ) | ( ( get_end_point_l(0).g & 0xF8 ) >>  1 )
+            | ( ( get_end_point_h(0).g & 0xF8 ) <<  4 ) | ( ( get_end_point_l(1).g & 0xF8 ) <<  9 ) 
+            | ( ( get_end_point_h(1).g & 0xF8 ) << 14 )	| ( ( get_end_point_l(0).b & 0xF8 ) << 19 ) 
+            | ( ( get_end_point_h(0).b & 0xF8 ) << 24 );
+    block.z = ( ( get_end_point_l(1).b & 0xF8 ) >>  3 )	| ( ( get_end_point_h(1).b & 0xF8 ) <<  2 ) 
+            | ( ( get_end_point_l(0).a & 0xF8 ) <<  7 ) | ( ( get_end_point_h(0).a & 0xF8 ) << 12 ) 
+            | ( ( get_end_point_l(1).a & 0xF8 ) << 17 ) | ( ( get_end_point_h(1).a & 0xF8 ) << 22 ) 
+            | ( ( get_end_point_l(0).r & 0x04 ) << 28 ) | ( ( get_end_point_h(0).r & 0x04 ) << 29 );
+    block.w = ( ( get_end_point_l(1).r & 0x04 ) >>  2 ) | ( ( get_end_point_h(1).r & 0x04 ) >>  1 )
+            | ( get_color_index(0) <<  2 );
+    uint i = 1;
+    for ( ; i <= candidateFixUpIndex1DOrdered[partition][0]; i ++ )
+    {
+        block.w |= get_color_index(i) << ( i * 2 + 1 );
+    }
+    for ( ; i < 16; i ++ )
+    {
+        block.w |= get_color_index(i) << ( i * 2 );
+    }
+}
\ No newline at end of file