103 lines
3.8 KiB
C++
103 lines
3.8 KiB
C++
/*
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* Copyright (c) 2017, Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#pragma once
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#include "hw_cmds.h"
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#include "runtime/command_queue/command_queue_hw.h"
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#include "runtime/command_queue/enqueue_common.h"
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#include "runtime/command_stream/command_stream_receiver.h"
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#include "runtime/helpers/cache_policy.h"
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#include "runtime/helpers/kernel_commands.h"
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#include "runtime/mem_obj/buffer.h"
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#include "runtime/memory_manager/surface.h"
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#include "runtime/built_ins/built_ins.h"
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#include <new>
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namespace OCLRT {
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template <typename GfxFamily>
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cl_int CommandQueueHw<GfxFamily>::enqueueReadBuffer(
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Buffer *buffer,
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cl_bool blockingRead,
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size_t offset,
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size_t size,
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void *ptr,
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cl_uint numEventsInWaitList,
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const cl_event *eventWaitList,
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cl_event *event) {
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cl_int retVal = CL_SUCCESS;
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if ((DebugManager.flags.DoCpuCopyOnReadBuffer.get() ||
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buffer->isReadWriteOnCpuAllowed(blockingRead, numEventsInWaitList, ptr, size)) &&
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context->getDevice(0)->getDeviceInfo().cpuCopyAllowed) {
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cpuDataTransferHandler(buffer,
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CL_COMMAND_READ_BUFFER,
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CL_TRUE,
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offset,
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size,
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ptr,
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numEventsInWaitList,
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eventWaitList,
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event,
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retVal);
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return retVal;
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}
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MultiDispatchInfo dispatchInfo;
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auto &builder = BuiltIns::getInstance().getBuiltinDispatchInfoBuilder(EBuiltInOps::CopyBufferToBuffer,
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this->getContext(), this->getDevice());
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builder.takeOwnership(this->context);
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BuiltinDispatchInfoBuilder::BuiltinOpParams dc;
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dc.dstPtr = ptr;
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dc.srcMemObj = buffer;
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dc.srcOffset = {offset, 0, 0};
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dc.size = {size, 0, 0};
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builder.buildDispatchInfos(dispatchInfo, dc);
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MemObjSurface s1(buffer);
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HostPtrSurface s2(ptr, size);
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Surface *surfaces[] = {&s1, &s2};
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if (context->isProvidingPerformanceHints()) {
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context->providePerformanceHint(CL_CONTEXT_DIAGNOSTICS_LEVEL_BAD_INTEL, CL_ENQUEUE_READ_BUFFER_REQUIRES_COPY_DATA, static_cast<cl_mem>(buffer), ptr);
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if (!isL3Capable(ptr, size)) {
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context->providePerformanceHint(CL_CONTEXT_DIAGNOSTICS_LEVEL_BAD_INTEL, CL_ENQUEUE_READ_BUFFER_DOESNT_MEET_ALIGNMENT_RESTRICTIONS, ptr, size, MemoryConstants::pageSize, MemoryConstants::pageSize);
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}
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}
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enqueueHandler<CL_COMMAND_READ_BUFFER>(
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surfaces,
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blockingRead == CL_TRUE,
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dispatchInfo,
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numEventsInWaitList,
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eventWaitList,
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event);
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builder.releaseOwnership();
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return CL_SUCCESS;
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}
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}
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