compute-runtime/runtime/command_queue/enqueue_read_buffer_rect.h

134 lines
5.1 KiB
C++

/*
* Copyright (c) 2017 - 2018, Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#pragma once
#include "runtime/command_queue/command_queue_hw.h"
#include "runtime/command_queue/enqueue_common.h"
#include "runtime/command_stream/command_stream_receiver.h"
#include "runtime/helpers/kernel_commands.h"
#include "runtime/mem_obj/buffer.h"
#include "runtime/memory_manager/surface.h"
#include "runtime/built_ins/built_ins.h"
#include <new>
namespace OCLRT {
template <typename GfxFamily>
cl_int CommandQueueHw<GfxFamily>::enqueueReadBufferRect(
Buffer *buffer,
cl_bool blockingRead,
const size_t *bufferOrigin,
const size_t *hostOrigin,
const size_t *region,
size_t bufferRowPitch,
size_t bufferSlicePitch,
size_t hostRowPitch,
size_t hostSlicePitch,
void *ptr,
cl_uint numEventsInWaitList,
const cl_event *eventWaitList,
cl_event *event) {
MultiDispatchInfo dispatchInfo;
auto isMemTransferNeeded = true;
if (buffer->isMemObjZeroCopy()) {
size_t bufferOffset;
size_t hostOffset;
computeOffsetsValueForRectCommands(&bufferOffset, &hostOffset, bufferOrigin, hostOrigin, region, bufferRowPitch, bufferSlicePitch, hostRowPitch, hostSlicePitch);
isMemTransferNeeded = buffer->checkIfMemoryTransferIsRequired(bufferOffset, hostOffset, ptr, CL_COMMAND_READ_BUFFER_RECT);
}
if (!isMemTransferNeeded) {
NullSurface s;
Surface *surfaces[] = {&s};
enqueueHandler<CL_COMMAND_MARKER>(
surfaces,
blockingRead == CL_TRUE,
dispatchInfo,
numEventsInWaitList,
eventWaitList,
event);
if (event) {
auto pEvent = castToObjectOrAbort<Event>(*event);
pEvent->setCmdType(CL_COMMAND_READ_BUFFER_RECT);
}
if (context->isProvidingPerformanceHints()) {
context->providePerformanceHint(CL_CONTEXT_DIAGNOSTICS_LEVEL_GOOD_INTEL, CL_ENQUEUE_READ_BUFFER_RECT_DOESNT_REQUIRES_COPY_DATA, static_cast<cl_mem>(buffer), ptr);
}
return CL_SUCCESS;
}
auto &builder = BuiltIns::getInstance().getBuiltinDispatchInfoBuilder(EBuiltInOps::CopyBufferRect,
this->getContext(), this->getDevice());
builder.takeOwnership(this->context);
size_t hostPtrSize = Buffer::calculateHostPtrSize(hostOrigin, region, hostRowPitch, hostSlicePitch);
void *dstPtr = ptr;
MemObjSurface bufferSurf(buffer);
HostPtrSurface hostPtrSurf(dstPtr, hostPtrSize);
Surface *surfaces[] = {&bufferSurf, &hostPtrSurf};
if (region[0] != 0 &&
region[1] != 0 &&
region[2] != 0) {
bool status = createAllocationForHostSurface(hostPtrSurf);
if (!status) {
builder.releaseOwnership();
return CL_OUT_OF_RESOURCES;
}
dstPtr = reinterpret_cast<void *>(hostPtrSurf.getAllocation()->getGpuAddressToPatch());
}
BuiltinDispatchInfoBuilder::BuiltinOpParams dc;
dc.srcMemObj = buffer;
dc.dstPtr = dstPtr;
dc.srcOffset = bufferOrigin;
dc.dstOffset = hostOrigin;
dc.size = region;
dc.srcRowPitch = bufferRowPitch;
dc.srcSlicePitch = bufferSlicePitch;
dc.dstRowPitch = hostRowPitch;
dc.dstSlicePitch = hostSlicePitch;
builder.buildDispatchInfos(dispatchInfo, dc);
enqueueHandler<CL_COMMAND_READ_BUFFER_RECT>(
surfaces,
blockingRead == CL_TRUE,
dispatchInfo,
numEventsInWaitList,
eventWaitList,
event);
builder.releaseOwnership();
if (context->isProvidingPerformanceHints()) {
context->providePerformanceHint(CL_CONTEXT_DIAGNOSTICS_LEVEL_BAD_INTEL, CL_ENQUEUE_READ_BUFFER_RECT_REQUIRES_COPY_DATA, static_cast<cl_mem>(buffer), ptr);
if (!isL3Capable(ptr, hostPtrSize)) {
context->providePerformanceHint(CL_CONTEXT_DIAGNOSTICS_LEVEL_BAD_INTEL, CL_ENQUEUE_READ_BUFFER_RECT_DOESNT_MEET_ALIGNMENT_RESTRICTIONS, ptr, hostPtrSize, MemoryConstants::pageSize, MemoryConstants::pageSize);
}
}
return CL_SUCCESS;
}
} // namespace OCLRT