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[UR][L0] Implement support for device to device copy #19106

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[UR][L0] Implement support for device to device copy #19106

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e22b498
[UR][L0] Implement support for device to device copy
winstonzhang-intel Jun 24, 2025
d9f65f5
[UR][L0] Implement support for device to device copy
winstonzhang-intel Jun 24, 2025
f264ec6
Format image_common.cpp to comply with clang-format
winstonzhang-intel Jun 24, 2025
1e85a56
Removed redundant condition
winstonzhang-intel Aug 6, 2025
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52 changes: 37 additions & 15 deletions unified-runtime/source/adapters/level_zero/image_common.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -865,21 +865,43 @@ ur_result_t bindlessImagesHandleCopyFlags(
return UR_RESULT_SUCCESS;
};
case UR_EXP_IMAGE_COPY_FLAG_DEVICE_TO_DEVICE: {
ze_image_region_t DstRegion;
UR_CALL(getImageRegionHelper(zeSrcImageDesc, &pCopyRegion->dstOffset,
&pCopyRegion->copyExtent, DstRegion));
ze_image_region_t SrcRegion;
UR_CALL(getImageRegionHelper(zeSrcImageDesc, &pCopyRegion->srcOffset,
&pCopyRegion->copyExtent, SrcRegion));

auto *urImgSrc = reinterpret_cast<const ur_bindless_mem_handle_t *>(pSrc);
auto *urImgDst = reinterpret_cast<ur_bindless_mem_handle_t *>(pDst);

ZE2UR_CALL(zeCommandListAppendImageCopyRegion,
(ZeCommandList, urImgDst->getZeImage(), urImgSrc->getZeImage(),
&DstRegion, &SrcRegion, zeSignalEvent, numWaitEvents,
phWaitEvents));

if (pSrcImageDesc->rowPitch != 0 && pDstImageDesc->rowPitch != 0) {
// Copy from pitched USM memory to pitched USM memory
uint32_t SrcRowPitch = pSrcImageDesc->rowPitch;
uint32_t DstRowPitch = pDstImageDesc->rowPitch;
ze_copy_region_t ZeDstRegion = {(uint32_t)pCopyRegion->dstOffset.x,
(uint32_t)pCopyRegion->dstOffset.y,
(uint32_t)pCopyRegion->dstOffset.z,
DstRowPitch,
(uint32_t)pCopyRegion->copyExtent.height,
(uint32_t)pCopyRegion->copyExtent.depth};
uint32_t DstSlicePitch = 0;
uint32_t SrcSlicePitch = 0;
ze_copy_region_t ZeSrcRegion = {(uint32_t)pCopyRegion->srcOffset.x,
(uint32_t)pCopyRegion->srcOffset.y,
(uint32_t)pCopyRegion->srcOffset.z,
SrcRowPitch,
(uint32_t)pCopyRegion->copyExtent.height,
(uint32_t)pCopyRegion->copyExtent.depth};
ZE2UR_CALL(zeCommandListAppendMemoryCopyRegion,
(ZeCommandList, pDst, &ZeDstRegion, DstRowPitch, DstSlicePitch,
pSrc, &ZeSrcRegion, SrcRowPitch, SrcSlicePitch, zeSignalEvent,
numWaitEvents, phWaitEvents));
} else {
// Copy from Non-USM/pitched USM memory to pitched USM/Non-USM memory
ze_image_region_t DstRegion;
UR_CALL(getImageRegionHelper(zeSrcImageDesc, &pCopyRegion->dstOffset,
&pCopyRegion->copyExtent, DstRegion));
ze_image_region_t SrcRegion;
UR_CALL(getImageRegionHelper(zeSrcImageDesc, &pCopyRegion->srcOffset,
&pCopyRegion->copyExtent, SrcRegion));
auto *UrImageDst = static_cast<ur_bindless_mem_handle_t *>(pDst);
auto *UrImageSrc = static_cast<const ur_bindless_mem_handle_t *>(pSrc);
ZE2UR_CALL(zeCommandListAppendImageCopyRegion,
(ZeCommandList, UrImageDst->getZeImage(),
UrImageSrc->getZeImage(), &DstRegion, &SrcRegion,
zeSignalEvent, numWaitEvents, phWaitEvents));
}
return UR_RESULT_SUCCESS;
};
default:
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