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Konstantin
21 lines
811 B
HLSL
21 lines
811 B
HLSL
inline uint rowOffset( uint3 idx, uint4 strides )
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{
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return idx[ 0 ] * strides[ 1 ] + idx[ 1 ] * strides[ 2 ] + idx[ 2 ] * strides[ 3 ];
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}
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// Initial iterator state for a row of the output tensor
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// x = current index, y = index increment, z = end of the index
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inline uint3 tensorIteratorState( uint3 group, uint thread, uint4 size, uint4 stride )
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{
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uint3 res;
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res.x = rowOffset( group, stride );
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res.y = THREADS * stride[ 0 ];
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res.z = res.x + size[ 0 ] * stride[ 0 ];
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res.x += thread * stride[ 0 ];
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return res;
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}
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// Handle a complete row of output tensor, using the iterator made by tensorIteratorState() function
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#define ROW_LOOP( ts ) for( ; ts.x < ts.z; ts.x += ts.y )
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// Same as above, using different row length
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#define ROW_LOOP_EX( ts, len, stride ) for( ; ts.x < ts.z; ts.x += len * stride[ 0 ] ) |