Source codes

1 files changed, 43 insertions, 0 deletions

diff --git a/ComputeShaders/componentwiseBinaryOp.hlsli b/ComputeShaders/componentwiseBinaryOp.hlsli
new file mode 100644
index 0000000..0a523ca
--- /dev/null
+++ b/ComputeShaders/componentwiseBinaryOp.hlsli
@@ -0,0 +1,43 @@
+Buffer<float> arg0: register( t0 );
+Buffer<float> arg1: register( t1 );
+RWBuffer<float> result: register( u0 );
+
+cbuffer Constants: register( b0 )
+{
+	uint4 src0_elements: packoffset( c0 );
+	uint4 src0_strides: packoffset( c1 );
+	uint4 src1_elements: packoffset( c2 );
+	uint4 src1_strides: packoffset( c3 );
+	uint4 result_elements: packoffset( c4 );
+	uint4 result_strides: packoffset( c5 );
+}
+
+[ numthreads( 32, 1, 1 ) ]
+void main( uint3 group: SV_GroupID, uint thread : SV_GroupIndex )
+{
+	const uint j = group.x;
+	const uint nb1 = result_strides[ 1 ];
+	const uint nb01 = src0_strides[ 1 ];
+
+	const uint nb10 = src1_strides[ 0 ];
+	const uint nb11 = src1_strides[ 1 ];
+	const uint nc = src0_elements[ 0 ];
+
+	uint rsi0 = j * nb01;
+	uint rsi1 = j * nb11;
+	uint rdi = j * nb1;
+	const uint rsi0End = rsi0 + nc;
+
+	rsi0 += thread;
+	rsi1 += thread * nb10;
+	rdi += thread;
+
+	const uint rsi1Inc = 32 * nb10;
+	for( ; rsi0 < rsi0End; rsi0 += 32, rsi1 += rsi1Inc, rdi += 32 )
+	{
+		const float a = arg0[ rsi0 ];
+		const float b = arg1[ rsi1 ];
+		const float res = compute( a, b );
+		result[ rdi ] = res;
+	}
+}
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