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Add dedicated map allocation

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Related-To: NEO-2917

Change-Id: Ieeca40f5faf29433a5c464d2c3ca3b8910695a9b
Signed-off-by: Zbigniew Zdanowicz <zbigniew.zdanowicz@intel.com>
This commit is contained in:
Zbigniew Zdanowicz
2019-04-08 14:49:35 +02:00
committed by sys_ocldev
parent 91a64c8518
commit e201725dd5
45 changed files with 287 additions and 77 deletions
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25
runtime/command_queue/enqueue_read_buffer.h
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@@ -28,6 +28,7 @@ cl_int CommandQueueHw<GfxFamily>::enqueueReadBuffer(
size_t offset,
size_t size,
void *ptr,
GraphicsAllocation *mapAllocation,
cl_uint numEventsInWaitList,
const cl_event *eventWaitList,
cl_event *event) {
@@ -84,21 +85,29 @@ cl_int CommandQueueHw<GfxFamily>::enqueueReadBuffer(
auto &builder = getDevice().getExecutionEnvironment()->getBuiltIns()->getBuiltinDispatchInfoBuilder(EBuiltInOps::CopyBufferToBuffer,
this->getContext(), this->getDevice());
BuiltInOwnershipWrapper builtInLock(builder, this->context);
void *dstPtr = ptr;
MemObjSurface bufferSurf(buffer);
HostPtrSurface hostPtrSurf(dstPtr, size);
Surface *surfaces[] = {&bufferSurf, &hostPtrSurf};
GeneralSurface mapSurface;
Surface *surfaces[] = {&bufferSurf, nullptr};
if (size != 0) {
bool status = getCommandStreamReceiver().createAllocationForHostSurface(hostPtrSurf, true);
if (!status) {
return CL_OUT_OF_RESOURCES;
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 (size != 0) {
bool status = getCommandStreamReceiver().createAllocationForHostSurface(hostPtrSurf, true);
if (!status) {
return CL_OUT_OF_RESOURCES;
}
dstPtr = reinterpret_cast<void *>(hostPtrSurf.getAllocation()->getGpuAddress());
}
dstPtr = reinterpret_cast<void *>(hostPtrSurf.getAllocation()->getGpuAddress());
}
void *alignedDstPtr = alignDown(dstPtr, 4);
size_t dstPtrOffset = ptrDiff(dstPtr, alignedDstPtr);