Source codes

1 files changed, 23 insertions, 0 deletions

diff --git a/ComputeShaders/scaleInPlace.hlsl b/ComputeShaders/scaleInPlace.hlsl
new file mode 100644
index 0000000..d0320b4
--- /dev/null
+++ b/ComputeShaders/scaleInPlace.hlsl
@@ -0,0 +1,23 @@
+RWBuffer<float> buffer: register( u0 );
+
+cbuffer Constants: register( b0 )
+{
+	uint4 src0_elements: packoffset( c0 );
+	uint4 src0_strides: packoffset( c1 );
+	float multiplier: packoffset( c2.x );
+}
+
+[ numthreads( 32, 1, 1 ) ]
+void main( uint3 group: SV_GroupID, uint thread : SV_GroupIndex )
+{
+	const uint nc0 = src0_elements[ 0 ];
+	uint i = group.x * src0_strides[ 1 ];
+	const uint iEnd = i + nc0;
+	const float mul = multiplier;
+	for( i += thread; i < iEnd; i += 32 )
+	{
+		float f = buffer[ i ];
+		f *= mul;
+		buffer[ i ] = f;
+	}
+}
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