48 lines
1.9 KiB
C++
48 lines
1.9 KiB
C++
/*
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* Copyright (C) 2018-2021 Intel Corporation
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*
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* SPDX-License-Identifier: MIT
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*
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*/
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#include "opencl/source/helpers/per_thread_data.h"
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#include "shared/source/command_stream/linear_stream.h"
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#include "shared/source/helpers/debug_helpers.h"
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#include <array>
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namespace NEO {
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size_t PerThreadDataHelper::sendPerThreadData(
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LinearStream &indirectHeap,
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uint32_t simd,
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uint32_t grfSize,
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uint32_t numChannels,
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const std::array<uint16_t, 3> &localWorkSizes,
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const std::array<uint8_t, 3> &workgroupWalkOrder,
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bool hasKernelOnlyImages) {
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auto offsetPerThreadData = indirectHeap.getUsed();
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if (numChannels) {
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size_t localWorkSize = static_cast<size_t>(localWorkSizes[0]) * static_cast<size_t>(localWorkSizes[1]) * static_cast<size_t>(localWorkSizes[2]);
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auto sizePerThreadDataTotal = getPerThreadDataSizeTotal(simd, grfSize, numChannels, localWorkSize);
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auto pDest = indirectHeap.getSpace(sizePerThreadDataTotal);
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// Generate local IDs
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DEBUG_BREAK_IF(numChannels != 3);
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generateLocalIDs(pDest, static_cast<uint16_t>(simd), localWorkSizes, workgroupWalkOrder, hasKernelOnlyImages, grfSize);
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}
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return offsetPerThreadData;
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}
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uint32_t PerThreadDataHelper::getThreadPayloadSize(const KernelDescriptor &kernelDescriptor, uint32_t grfSize) {
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uint32_t multiplier = static_cast<uint32_t>(getGRFsPerThread(kernelDescriptor.kernelAttributes.simdSize, grfSize));
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uint32_t threadPayloadSize = 0;
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threadPayloadSize = kernelDescriptor.kernelAttributes.numLocalIdChannels * multiplier * grfSize;
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threadPayloadSize += (kernelDescriptor.kernelAttributes.flags.perThreadDataHeaderIsPresent) ? grfSize : 0;
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threadPayloadSize += (kernelDescriptor.kernelAttributes.flags.usesFlattenedLocalIds) ? (grfSize * multiplier) : 0;
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threadPayloadSize += (kernelDescriptor.kernelAttributes.flags.perThreadDataUnusedGrfIsPresent) ? grfSize : 0;
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return threadPayloadSize;
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}
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} // namespace NEO
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