Initial import of code.

1 files changed, 128 insertions, 0 deletions

diff --git a/tests/hlsl/dxsdk/NBodyGravityCS11/ParticleDraw.hlsl b/tests/hlsl/dxsdk/NBodyGravityCS11/ParticleDraw.hlsl
new file mode 100644
index 000000000..ea56e20e9
--- /dev/null
+++ b/tests/hlsl/dxsdk/NBodyGravityCS11/ParticleDraw.hlsl
@@ -0,0 +1,128 @@
+//TEST_IGNORE_FILE: Currently failing due to Spire compiler issues.
+//TEST:COMPARE_HLSL: -target dxbc-assembly -profile vs_4_0 -entry VSParticleDraw -profile gs_4_0 -entry GSParticleDraw -profile ps_4_0 -entry PSParticleDraw
+//--------------------------------------------------------------------------------------
+// File: ParticleDraw.hlsl
+//
+// Shaders for rendering the particle as point sprite
+//
+// Copyright (c) Microsoft Corporation. All rights reserved.
+//--------------------------------------------------------------------------------------
+
+struct VSParticleIn
+{
+    float4  color   : COLOR;
+    uint    id      : SV_VERTEXID;
+};
+
+struct VSParticleDrawOut
+{
+    float3 pos			: POSITION;
+    float4 color		: COLOR;
+};
+
+struct GSParticleDrawOut
+{
+    float2 tex			: TEXCOORD0;
+    float4 color		: COLOR;
+    float4 pos			: SV_POSITION;
+};
+
+struct PSParticleDrawIn
+{
+    float2 tex			: TEXCOORD0;
+    float4 color		: COLOR;
+};
+
+struct PosVelo
+{
+    float4 pos;
+    float4 velo;
+};
+
+Texture2D		            g_txDiffuse;
+StructuredBuffer<PosVelo>   g_bufPosVelo;
+
+
+SamplerState g_samLinear
+{
+    Filter = MIN_MAG_MIP_LINEAR;
+    AddressU = Clamp;
+    AddressV = Clamp;
+};
+
+cbuffer cb0
+{
+    row_major float4x4 g_mWorldViewProj;
+    row_major float4x4 g_mInvView;    
+};
+
+cbuffer cb1
+{
+    static float g_fParticleRad = 10.0f;   
+};
+
+cbuffer cbImmutable
+{
+    static float3 g_positions[4] =
+    {
+        float3( -1, 1, 0 ),
+        float3( 1, 1, 0 ),
+        float3( -1, -1, 0 ),
+        float3( 1, -1, 0 ),
+    };
+    
+    static float2 g_texcoords[4] = 
+    { 
+        float2(0,0), 
+        float2(1,0),
+        float2(0,1),
+        float2(1,1),
+    };
+};
+
+//
+// Vertex shader for drawing the point-sprite particles
+//
+VSParticleDrawOut VSParticleDraw(VSParticleIn input)
+{
+    VSParticleDrawOut output;
+    
+    output.pos = g_bufPosVelo[input.id].pos;
+    
+    float mag = g_bufPosVelo[input.id].velo.w/9;
+    output.color = lerp( float4(1,0.1,0.1,1), input.color, mag );
+    
+    return output;
+}
+
+//
+// GS for rendering point sprite particles.  Takes a point and turns it into 2 tris.
+//
+[maxvertexcount(4)]
+void GSParticleDraw(point VSParticleDrawOut input[1], inout TriangleStream<GSParticleDrawOut> SpriteStream)
+{
+    GSParticleDrawOut output;
+    
+    //
+    // Emit two new triangles
+    //
+    for(int i=0; i<4; i++)
+    {
+        float3 position = g_positions[i] * g_fParticleRad;
+        position = mul( position, (float3x3)g_mInvView ) + input[0].pos;
+        output.pos = mul( float4(position,1.0), g_mWorldViewProj ); 
+
+        output.color = input[0].color;        
+        output.tex = g_texcoords[i];
+        SpriteStream.Append(output);
+    }
+    SpriteStream.RestartStrip();
+}
+
+//
+// PS for drawing particles
+//
+float4 PSParticleDraw(PSParticleDrawIn input) : SV_Target
+{   
+    return g_txDiffuse.Sample( g_samLinear, input.tex ) * input.color;
+}
\ No newline at end of file