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Merge pull request #379 from hsdk/OptimizeComputeDispatches

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Optimize GL/DX compute dispatches.
This commit is contained in:
Manuel Kraemer 2015-01-13 09:54:51 -08:00
commit c0a79ae511
2 changed files with 2 additions and 2 deletions
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2
opensubdiv/osd/d3d11ComputeController.cpp
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@ -213,7 +213,7 @@ private:
deviceContext->CSSetConstantBuffers(0, 1, &_uniformArgs); // b0
deviceContext->CSSetShader(_computeShader, &kernel, 1);
deviceContext->Dispatch(count/_workGroupSize + 1, 1, 1);
deviceContext->Dispatch((count + _workGroupSize - 1) / _workGroupSize, 1, 1);
}

2
opensubdiv/osd/glslComputeController.cpp
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@ -174,7 +174,7 @@ protected:
glUniform1i(_uniformOffset, offset);
glUniform1i(_uniformNumCVs, numCVs);
glDispatchCompute(count/_workGroupSize + 1, 1, 1);
glDispatchCompute((count + _workGroupSize - 1) / _workGroupSize, 1, 1);
// sync for later reading.
// XXX: in theory, just SHADER_STORAGE_BARRIER is needed here. However