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/*
* Copyright (C) 2018-2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#pragma once
#include "shared/source/built_ins/built_ins.h"
#include "shared/source/command_stream/command_stream_receiver.h"
#include "shared/source/helpers/basic_math.h"
#include "shared/source/helpers/cache_policy.h"
#include "shared/source/helpers/engine_node_helper.h"
#include "shared/source/memory_manager/graphics_allocation.h"
#include "shared/source/os_interface/os_context.h"
#include "opencl/source/command_queue/command_queue_hw.h"
#include "opencl/source/context/context.h"
#include "opencl/source/helpers/mipmap.h"
#include "opencl/source/mem_obj/image.h"
#include "opencl/source/memory_manager/mem_obj_surface.h"
namespace NEO {
template <typename GfxFamily>
cl_int CommandQueueHw<GfxFamily>::enqueueReadImage(
Image *srcImage,
cl_bool blockingRead,
const size_t *origin,
const size_t *region,
size_t inputRowPitch,
size_t inputSlicePitch,
void *ptr,
GraphicsAllocation *mapAllocation,
cl_uint numEventsInWaitList,
const cl_event *eventWaitList,
cl_event *event) {
constexpr cl_command_type cmdType = CL_COMMAND_READ_IMAGE;
CsrSelectionArgs csrSelectionArgs{cmdType, srcImage, {}, device->getRootDeviceIndex(), region, origin, nullptr};
CommandStreamReceiver &csr = selectCsrForBuiltinOperation(csrSelectionArgs);
return enqueueReadImageImpl(srcImage, blockingRead, origin, region, inputRowPitch, inputSlicePitch, ptr, mapAllocation, numEventsInWaitList, eventWaitList, event, csr);
}
template <typename GfxFamily>
cl_int CommandQueueHw<GfxFamily>::enqueueReadImageImpl(
Image *srcImage,
cl_bool blockingRead,
const size_t *origin,
const size_t *region,
size_t inputRowPitch,
size_t inputSlicePitch,
void *ptr,
GraphicsAllocation *mapAllocation,
cl_uint numEventsInWaitList,
const cl_event *eventWaitList,
cl_event *event, CommandStreamReceiver &csr) {
constexpr cl_command_type cmdType = CL_COMMAND_READ_IMAGE;
CsrSelectionArgs csrSelectionArgs{cmdType, srcImage, {}, device->getRootDeviceIndex(), region, origin, nullptr};
if (nullptr == mapAllocation) {
notifyEnqueueReadImage(srcImage, static_cast<bool>(blockingRead), EngineHelpers::isBcs(csr.getOsContext().getEngineType()));
}
auto isMemTransferNeeded = true;
if (srcImage->isMemObjZeroCopy()) {
size_t hostOffset;
Image::calculateHostPtrOffset(&hostOffset, origin, region, inputRowPitch, inputSlicePitch, srcImage->getImageDesc().image_type, srcImage->getSurfaceFormatInfo().surfaceFormat.imageElementSizeInBytes);
isMemTransferNeeded = srcImage->checkIfMemoryTransferIsRequired(hostOffset, 0, ptr, cmdType);
}
if (!isMemTransferNeeded) {
return enqueueMarkerForReadWriteOperation(srcImage, ptr, cmdType, blockingRead,
numEventsInWaitList, eventWaitList, event);
}
size_t hostPtrSize = calculateHostPtrSizeForImage(region, inputRowPitch, inputSlicePitch, srcImage);
void *dstPtr = ptr;
MemObjSurface srcImgSurf(srcImage);
HostPtrSurface hostPtrSurf(dstPtr, hostPtrSize);
GeneralSurface mapSurface;
Surface *surfaces[] = {&srcImgSurf, nullptr};
auto bcsSplit = this->isSplitEnqueueBlitNeeded(csrSelectionArgs.direction, getTotalSizeFromRectRegion(region), csr);
bool tempAllocFallback = false;
if (!mapAllocation) {
InternalMemoryType memoryType = InternalMemoryType::notSpecified;
bool isCpuCopyAllowed = false;
cl_int retVal = getContext().tryGetExistingHostPtrAllocation(ptr, hostPtrSize, device->getRootDeviceIndex(), mapAllocation, memoryType, isCpuCopyAllowed);
if (retVal != CL_SUCCESS) {
return retVal;
}
}
if (mapAllocation) {
surfaces[1] = &mapSurface;
mapSurface.setGraphicsAllocation(mapAllocation);
// get offset between base cpu ptr of map allocation and dst ptr
size_t dstOffset = ptrDiff(dstPtr, mapAllocation->getUnderlyingBuffer());
dstPtr = reinterpret_cast<void *>(mapAllocation->getGpuAddress() + dstOffset);
} else {
surfaces[1] = &hostPtrSurf;
if (region[0] != 0 &&
region[1] != 0 &&
region[2] != 0) {
bool status = selectCsrForHostPtrAllocation(bcsSplit, csr).createAllocationForHostSurface(hostPtrSurf, true);
if (!status) {
if (CL_TRUE == blockingRead) {
hostPtrSurf.setIsPtrCopyAllowed(true);
status = selectCsrForHostPtrAllocation(bcsSplit, csr).createAllocationForHostSurface(hostPtrSurf, true);
if (!status) {
return CL_OUT_OF_RESOURCES;
}
tempAllocFallback = true;
} else {
return CL_OUT_OF_RESOURCES;
}
}
dstPtr = reinterpret_cast<void *>(hostPtrSurf.getAllocation()->getGpuAddress());
this->prepareHostPtrSurfaceForSplit(bcsSplit, *hostPtrSurf.getAllocation());
}
}
void *alignedDstPtr = alignDown(dstPtr, 4);
size_t dstPtrOffset = ptrDiff(dstPtr, alignedDstPtr);
BuiltinOpParams dc;
dc.srcMemObj = srcImage;
dc.dstPtr = alignedDstPtr;
dc.dstOffset.x = dstPtrOffset;
dc.srcOffset = origin;
dc.size = region;
dc.dstRowPitch = (srcImage->getImageDesc().image_type == CL_MEM_OBJECT_IMAGE1D_ARRAY) ? inputSlicePitch : inputRowPitch;
dc.dstSlicePitch = inputSlicePitch;
if (isMipMapped(srcImage->getImageDesc())) {
dc.srcMipLevel = findMipLevel(srcImage->getImageDesc().image_type, origin);
}
dc.transferAllocation = mapAllocation ? mapAllocation : hostPtrSurf.getAllocation();
if (tempAllocFallback) {
dc.userPtrForPostOperationCpuCopy = ptr;
}
dc.bcsSplit = bcsSplit;
dc.direction = csrSelectionArgs.direction;
const bool isStateless = forceStateless(srcImage->getSize());
const bool useHeapless = this->getHeaplessModeEnabled();
auto eBuiltInOps = EBuiltInOps::adjustBuiltinType<EBuiltInOps::copyImage3dToBuffer>(isStateless, useHeapless);
MultiDispatchInfo dispatchInfo(dc);
const auto dispatchResult = dispatchBcsOrGpgpuEnqueue<CL_COMMAND_READ_IMAGE>(dispatchInfo, surfaces, eBuiltInOps, numEventsInWaitList, eventWaitList, event, blockingRead == CL_TRUE, csr);
if (dispatchResult != CL_SUCCESS) {
return dispatchResult;
}
if (context->isProvidingPerformanceHints()) {
if (!isL3Capable(ptr, hostPtrSize)) {
context->providePerformanceHint(CL_CONTEXT_DIAGNOSTICS_LEVEL_BAD_INTEL, CL_ENQUEUE_READ_IMAGE_DOESNT_MEET_ALIGNMENT_RESTRICTIONS, ptr, hostPtrSize, MemoryConstants::pageSize, MemoryConstants::pageSize);
}
}
return CL_SUCCESS;
}
} // namespace NEO
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