foreman
1681dd142f
EPR #399808 - Fixed wrong conversion of sRGBA when using host copy instead of blit kernel transfer Affected files ... ... //depot/stg/opencl/drivers/opencl/api/opencl/amdocl/cl_memobj.cpp#68 edit ... //depot/stg/opencl/drivers/opencl/runtime/device/blit.cpp#3 edit ... //depot/stg/opencl/drivers/opencl/runtime/device/blit.hpp#2 edit ... //depot/stg/opencl/drivers/opencl/runtime/device/gpu/gpublit.cpp#107 edit
776 righe
21 KiB
C++
776 righe
21 KiB
C++
//
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// Copyright (c) 2010 Advanced Micro Devices, Inc. All rights reserved.
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//
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#include "platform/commandqueue.hpp"
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#include "device/device.hpp"
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#include "device/blit.hpp"
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#include "utils/debug.hpp"
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namespace device {
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HostBlitManager::HostBlitManager(VirtualDevice& vDev, Setup setup)
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: BlitManager(setup)
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, vDev_(vDev)
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, dev_(vDev.device())
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{ }
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bool
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HostBlitManager::readBuffer(
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device::Memory& srcMemory,
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void* dstHost,
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const amd::Coord3D& origin,
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const amd::Coord3D& size,
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bool entire) const
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{
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// Map the device memory to CPU visible
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void* src = srcMemory.cpuMap(vDev_, Memory::CpuReadOnly);
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if (NULL == src) {
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LogError("Couldn't map device memory for host read");
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return false;
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}
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// Copy memory
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amd::Os::fastMemcpy(dstHost,
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reinterpret_cast<const_address>(src) + origin[0], size[0]);
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// Unmap device memory
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srcMemory.cpuUnmap(vDev_);
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return true;
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}
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bool
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HostBlitManager::readBufferRect(
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device::Memory& srcMemory,
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void* dstHost,
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const amd::BufferRect& bufRect,
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const amd::BufferRect& hostRect,
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const amd::Coord3D& size,
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bool entire) const
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{
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// Map source memory
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void *src = srcMemory.cpuMap(vDev_, Memory::CpuReadOnly);
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if (src == NULL) {
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LogError("Couldn't map source memory");
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return false;
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}
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size_t srcOffset;
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size_t dstOffset;
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for (size_t z = 0; z < size[2]; ++z) {
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for (size_t y = 0; y < size[1]; ++y) {
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srcOffset = bufRect.offset(0, y, z);
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dstOffset = hostRect.offset(0, y, z);
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// Copy memory line by line
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amd::Os::fastMemcpy(
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(reinterpret_cast<address>(dstHost) + dstOffset),
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(reinterpret_cast<const_address>(src) + srcOffset),
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size[0]);
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}
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}
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// Unmap source memory
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srcMemory.cpuUnmap(vDev_);
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return true;
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}
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bool
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HostBlitManager::readImage(
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device::Memory& srcMemory,
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void* dstHost,
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const amd::Coord3D& origin,
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const amd::Coord3D& size,
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size_t rowPitch,
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size_t slicePitch,
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bool entire) const
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{
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size_t startLayer = origin[2];
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size_t numLayers = size[2];
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if (srcMemory.owner()->getType() == CL_MEM_OBJECT_IMAGE1D_ARRAY) {
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startLayer = origin[1];
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numLayers = size[1];
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}
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// rowPitch and slicePitch in bytes
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size_t srcRowPitch;
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size_t srcSlicePitch;
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// Get physical GPU memmory
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void* src = srcMemory.cpuMap(vDev_, Memory::CpuReadOnly,
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startLayer, numLayers, &srcRowPitch, &srcSlicePitch);
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if (NULL == src) {
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LogError("Couldn't map GPU memory for host read");
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return false;
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}
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size_t elementSize = srcMemory.owner()->asImage()->getImageFormat().getElementSize();
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size_t srcOffsBase = origin[0] * elementSize;
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size_t copySize = size[0] * elementSize;
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size_t srcOffs;
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size_t dstOffs = 0;
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// Make sure we use the right pitch if it's not specified
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if (rowPitch == 0) {
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rowPitch = size[0] * elementSize;
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}
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// Make sure we use the right slice if it's not specified
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if (slicePitch == 0) {
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slicePitch = size[0] * size[1] * elementSize;
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}
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// Adjust destination offset with Y dimension
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srcOffsBase += srcRowPitch * origin[1];
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// Adjust the destination offset with Z dimension
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srcOffsBase += srcSlicePitch * origin[2];
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// Copy memory line by line
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for (size_t slice = 0; slice < size[2]; ++slice) {
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srcOffs = srcOffsBase + slice * srcSlicePitch;
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dstOffs = slice * slicePitch;
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// Copy memory line by line
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for (size_t row = 0; row < size[1]; ++row) {
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// Copy memory
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amd::Os::fastMemcpy(
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(reinterpret_cast<address>(dstHost) + dstOffs),
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(reinterpret_cast<const_address>(src) + srcOffs),
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copySize);
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srcOffs += srcRowPitch;
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dstOffs += rowPitch;
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}
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}
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// Unmap the device memory
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srcMemory.cpuUnmap(vDev_);
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return true;
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}
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bool
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HostBlitManager::writeBuffer(
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const void* srcHost,
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device::Memory& dstMemory,
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const amd::Coord3D& origin,
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const amd::Coord3D& size,
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bool entire) const
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{
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uint flags = 0;
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if (entire) {
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flags = Memory::CpuWriteOnly;
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}
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// Map the device memory to CPU visible
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void* dst = dstMemory.cpuMap(vDev_, flags);
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if (NULL == dst) {
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LogError("Couldn't map GPU memory for host write");
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return false;
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}
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// Copy memory
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amd::Os::fastMemcpy(
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reinterpret_cast<address>(dst) + origin[0], srcHost, size[0]);
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// Unmap the device memory
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dstMemory.cpuUnmap(vDev_);
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return true;
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}
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bool
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HostBlitManager::writeBufferRect(
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const void* srcHost,
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device::Memory& dstMemory,
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const amd::BufferRect& hostRect,
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const amd::BufferRect& bufRect,
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const amd::Coord3D& size,
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bool entire) const
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{
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// Map destination memory
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void *dst = dstMemory.cpuMap(vDev_, (entire) ? Memory::CpuWriteOnly : 0);
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if (dst == NULL) {
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LogError("Couldn't map destination memory");
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return false;
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}
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size_t srcOffset;
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size_t dstOffset;
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for (size_t z = 0; z < size[2]; ++z) {
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for (size_t y = 0; y < size[1]; ++y) {
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srcOffset = hostRect.offset(0, y, z);
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dstOffset = bufRect.offset(0, y, z);
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// Copy memory line by line
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amd::Os::fastMemcpy(
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(reinterpret_cast<address>(dst) + dstOffset),
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(reinterpret_cast<const_address>(srcHost) + srcOffset),
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size[0]);
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}
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}
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// Unmap destination memory
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dstMemory.cpuUnmap(vDev_);
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return true;
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}
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bool
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HostBlitManager::writeImage(
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const void* srcHost,
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device::Memory& dstMemory,
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const amd::Coord3D& origin,
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const amd::Coord3D& size,
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size_t rowPitch,
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size_t slicePitch,
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bool entire) const
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{
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uint flags = 0;
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if (entire) {
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flags = Memory::CpuWriteOnly;
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}
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size_t startLayer = origin[2];
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size_t numLayers = size[2];
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if (dstMemory.owner()->getType() == CL_MEM_OBJECT_IMAGE1D_ARRAY) {
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startLayer = origin[1];
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numLayers = size[1];
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}
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// rowPitch and slicePitch in bytes
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size_t dstRowPitch;
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size_t dstSlicePitch;
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// Map the device memory to CPU visible
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void* dst = dstMemory.cpuMap(vDev_, flags,
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startLayer, numLayers, &dstRowPitch, &dstSlicePitch);
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if (NULL == dst) {
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LogError("Couldn't map GPU memory for host write");
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return false;
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}
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size_t elementSize = dstMemory.owner()->asImage()->getImageFormat().getElementSize();
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size_t srcOffs = 0;
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size_t copySize = size[0] * elementSize;
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size_t dstOffsBase = origin[0] * elementSize;
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size_t dstOffs;
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// Make sure we use the right pitch if it's not specified
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if (rowPitch == 0) {
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rowPitch = size[0] * elementSize;
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}
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// Make sure we use the right slice if it's not specified
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if (slicePitch == 0) {
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slicePitch = size[0] * size[1] * elementSize;
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}
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// Adjust the destination offset with Y dimension
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dstOffsBase += dstRowPitch * origin[1];
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// Adjust the destination offset with Z dimension
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dstOffsBase += dstSlicePitch * origin[2];
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// Copy memory slice by slice
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for (size_t slice = 0; slice < size[2]; ++slice) {
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dstOffs = dstOffsBase + slice * dstSlicePitch;
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srcOffs = slice * slicePitch;
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// Copy memory line by line
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for (size_t row = 0; row < size[1]; ++row) {
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// Copy memory
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amd::Os::fastMemcpy(
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(reinterpret_cast<address>(dst) + dstOffs),
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(reinterpret_cast<const_address>(srcHost) + srcOffs),
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copySize);
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dstOffs += dstRowPitch;
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srcOffs += rowPitch;
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}
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}
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// Unmap the device memory
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dstMemory.cpuUnmap(vDev_);
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return true;
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}
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bool
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HostBlitManager::copyBuffer(
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device::Memory& srcMemory,
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device::Memory& dstMemory,
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const amd::Coord3D& srcOrigin,
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const amd::Coord3D& dstOrigin,
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const amd::Coord3D& size,
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bool entire) const
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{
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// Map source memory
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void *src = srcMemory.cpuMap(vDev_,
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// Overlap detection
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(&srcMemory == &dstMemory) ? 0 : Memory::CpuReadOnly);
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if (src == NULL) {
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LogError("Couldn't map source memory");
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return false;
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}
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// Map destination memory
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void *dst = dstMemory.cpuMap(vDev_, (entire) ? Memory::CpuWriteOnly : 0);
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if (dst == NULL) {
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LogError("Couldn't map destination memory");
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return false;
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}
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// Straight forward buffer copy
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amd::Os::fastMemcpy(
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(reinterpret_cast<address>(dst) + dstOrigin[0]),
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(reinterpret_cast<const_address>(src) + srcOrigin[0]),
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size[0]);
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// Unmap source and destination memory
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dstMemory.cpuUnmap(vDev_);
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srcMemory.cpuUnmap(vDev_);
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return true;
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}
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bool
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HostBlitManager::copyBufferRect(
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device::Memory& srcMemory,
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device::Memory& dstMemory,
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const amd::BufferRect& srcRect,
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const amd::BufferRect& dstRect,
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const amd::Coord3D& size,
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bool entire) const
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{
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// Map source memory
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void *src = srcMemory.cpuMap(vDev_,
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// Overlap detection
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(&srcMemory == &dstMemory) ? 0 : Memory::CpuReadOnly);
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if (src == NULL) {
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LogError("Couldn't map source memory");
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return false;
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}
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// Map destination memory
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void *dst = dstMemory.cpuMap(vDev_, (entire) ? Memory::CpuWriteOnly : 0);
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if (dst == NULL) {
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LogError("Couldn't map destination memory");
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return false;
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}
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for (size_t z = 0; z < size[2]; ++z) {
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for (size_t y = 0; y < size[1]; ++y) {
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size_t srcOffset = srcRect.offset(0, y, z);
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size_t dstOffset = dstRect.offset(0, y, z);
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// Copy memory line by line
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amd::Os::fastMemcpy(
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(reinterpret_cast<address>(dst) + dstOffset),
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(reinterpret_cast<const_address>(src) + srcOffset),
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size[0]);
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}
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}
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// Unmap source and destination memory
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dstMemory.cpuUnmap(vDev_);
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srcMemory.cpuUnmap(vDev_);
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return true;
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}
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bool
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HostBlitManager::copyImageToBuffer(
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device::Memory& srcMemory,
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device::Memory& dstMemory,
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const amd::Coord3D& srcOrigin,
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const amd::Coord3D& dstOrigin,
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const amd::Coord3D& size,
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bool entire,
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size_t rowPitch,
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size_t slicePitch) const
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{
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size_t startLayer = srcOrigin[2];
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size_t numLayers = size[2];
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if (srcMemory.owner()->getType() == CL_MEM_OBJECT_IMAGE1D_ARRAY) {
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startLayer = srcOrigin[1];
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numLayers = size[1];
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}
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// rowPitch and slicePitch in bytes
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size_t srcRowPitch;
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size_t srcSlicePitch;
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// Map source memory
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void *src = srcMemory.cpuMap(vDev_, Memory::CpuReadOnly,
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startLayer, numLayers, &srcRowPitch, &srcSlicePitch);
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if (src == NULL) {
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LogError("Couldn't map source memory");
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return false;
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}
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size_t elementSize = srcMemory.owner()->asImage()->getImageFormat().getElementSize();
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// Map destination memory
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void *dst = dstMemory.cpuMap(vDev_, (entire) ? Memory::CpuWriteOnly : 0);
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if (dst == NULL) {
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LogError("Couldn't map destination memory");
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return false;
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}
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size_t srcOffs = srcOrigin[0];
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size_t dstOffs = dstOrigin[0];
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size_t srcOffsOrg;
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size_t copySize = size[0];
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// Calculate the offset in bytes
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srcOffs *= elementSize;
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copySize *= elementSize;
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// Adjust source offset with Y and Z dimensions
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srcOffs += srcRowPitch * srcOrigin[1];
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srcOffs += srcSlicePitch * srcOrigin[2];
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srcOffsOrg = srcOffs;
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// Copy memory slice by slice
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for (size_t slice = 0; slice < size[2]; ++slice) {
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srcOffs = srcOffsOrg + slice * srcSlicePitch;
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// Copy memory line by line
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for (size_t rows = 0; rows < size[1]; ++rows) {
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amd::Os::fastMemcpy(
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(reinterpret_cast<address>(dst) + dstOffs),
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(reinterpret_cast<const_address>(src) + srcOffs),
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copySize);
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srcOffs += srcRowPitch;
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dstOffs += copySize;
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}
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}
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// Unmap source and destination memory
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srcMemory.cpuUnmap(vDev_);
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dstMemory.cpuUnmap(vDev_);
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return true;
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}
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bool
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HostBlitManager::copyBufferToImage(
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device::Memory& srcMemory,
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device::Memory& dstMemory,
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const amd::Coord3D& srcOrigin,
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const amd::Coord3D& dstOrigin,
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const amd::Coord3D& size,
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bool entire,
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size_t rowPitch,
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size_t slicePitch) const
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{
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// Map source memory
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void *src = srcMemory.cpuMap(vDev_, Memory::CpuReadOnly);
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if (src == NULL) {
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LogError("Couldn't map source memory");
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return false;
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}
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size_t startLayer = dstOrigin[2];
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size_t numLayers = size[2];
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if (dstMemory.owner()->getType() == CL_MEM_OBJECT_IMAGE1D_ARRAY) {
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startLayer = dstOrigin[1];
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numLayers = size[1];
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}
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// rowPitch and slicePitch in bytes
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size_t dstRowPitch;
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size_t dstSlicePitch;
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// Map destination memory
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void *dst = dstMemory.cpuMap(vDev_, (entire) ? Memory::CpuWriteOnly : 0,
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startLayer, numLayers, &dstRowPitch, &dstSlicePitch);
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if (dst == NULL) {
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LogError("Couldn't map destination memory");
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return false;
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}
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size_t elementSize = dstMemory.owner()->asImage()->getImageFormat().getElementSize();
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size_t srcOffs = srcOrigin[0];
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size_t dstOffs = dstOrigin[0];
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size_t dstOffsOrg;
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size_t copySize = size[0];
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// Calculate the offset in bytes
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dstOffs *= elementSize;
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copySize *= elementSize;
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// Adjust destination offset with Y and Z dimension
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dstOffs += dstRowPitch * dstOrigin[1];
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dstOffs += dstSlicePitch * dstOrigin[2];
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dstOffsOrg = dstOffs;
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// Copy memory slice by slice
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for (size_t slice = 0; slice < size[2]; ++slice) {
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dstOffs = dstOffsOrg + slice * dstSlicePitch;
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// Copy memory line by line
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for (size_t rows = 0; rows < size[1]; ++rows) {
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amd::Os::fastMemcpy(
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(reinterpret_cast<address>(dst) + dstOffs),
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(reinterpret_cast<const_address>(src) + srcOffs),
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copySize);
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srcOffs += copySize;
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dstOffs += dstRowPitch;
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}
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}
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// Unmap source and destination memory
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srcMemory.cpuUnmap(vDev_);
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dstMemory.cpuUnmap(vDev_);
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return true;
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}
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bool
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HostBlitManager::copyImage(
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device::Memory& srcMemory,
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device::Memory& dstMemory,
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const amd::Coord3D& srcOrigin,
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const amd::Coord3D& dstOrigin,
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const amd::Coord3D& size,
|
|
bool entire) const
|
|
{
|
|
size_t startLayer = srcOrigin[2];
|
|
size_t numLayers = size[2];
|
|
if (srcMemory.owner()->getType() == CL_MEM_OBJECT_IMAGE1D_ARRAY) {
|
|
startLayer = srcOrigin[1];
|
|
numLayers = size[1];
|
|
}
|
|
// rowPitch and slicePitch in bytes
|
|
size_t srcRowPitch;
|
|
size_t srcSlicePitch;
|
|
// Map source memory
|
|
void *src = srcMemory.cpuMap(vDev_, Memory::CpuReadOnly,
|
|
startLayer, numLayers, &srcRowPitch, &srcSlicePitch);
|
|
if (src == NULL) {
|
|
LogError("Couldn't map source memory");
|
|
return false;
|
|
}
|
|
if (dstMemory.owner()->getType() == CL_MEM_OBJECT_IMAGE1D_ARRAY) {
|
|
startLayer = dstOrigin[1];
|
|
numLayers = size[1];
|
|
}
|
|
else {
|
|
startLayer = dstOrigin[2];
|
|
numLayers = size[2];
|
|
}
|
|
|
|
// rowPitch and slicePitch in bytes
|
|
size_t dstRowPitch;
|
|
size_t dstSlicePitch;
|
|
// Map destination memory
|
|
void *dst = dstMemory.cpuMap(vDev_, (entire) ? Memory::CpuWriteOnly : 0,
|
|
startLayer, numLayers, &dstRowPitch, &dstSlicePitch);
|
|
if (dst == NULL) {
|
|
LogError("Couldn't map destination memory");
|
|
return false;
|
|
}
|
|
|
|
size_t elementSize = dstMemory.owner()->asImage()->getImageFormat().getElementSize();
|
|
assert(elementSize == srcMemory.owner()->asImage()->getImageFormat().getElementSize());
|
|
|
|
size_t srcOffs = srcOrigin[0];
|
|
size_t dstOffs = dstOrigin[0];
|
|
size_t srcOffsOrg;
|
|
size_t dstOffsOrg;
|
|
size_t copySize = size[0];
|
|
|
|
// Calculate the offsets in bytes
|
|
srcOffs *= elementSize;
|
|
dstOffs *= elementSize;
|
|
copySize *= elementSize;
|
|
|
|
// Adjust destination and sorce offsets with Y dimension
|
|
srcOffs += srcRowPitch * srcOrigin[1];
|
|
dstOffs += dstRowPitch * dstOrigin[1];
|
|
|
|
// Adjust destination and sorce offsets with Z dimension
|
|
srcOffs += srcSlicePitch * srcOrigin[2];
|
|
dstOffs += dstSlicePitch * dstOrigin[2];
|
|
|
|
srcOffsOrg = srcOffs;
|
|
dstOffsOrg = dstOffs;
|
|
|
|
// Copy memory slice by slice
|
|
for (size_t slice = 0; slice < size[2]; ++slice) {
|
|
srcOffs = srcOffsOrg + slice * srcSlicePitch;
|
|
dstOffs = dstOffsOrg + slice * dstSlicePitch;
|
|
|
|
// Copy memory line by line
|
|
for (size_t rows = 0; rows < size[1]; ++rows) {
|
|
amd::Os::fastMemcpy(
|
|
(reinterpret_cast<address>(dst) + dstOffs),
|
|
(reinterpret_cast<const_address>(src) + srcOffs),
|
|
copySize);
|
|
|
|
srcOffs += srcRowPitch;
|
|
dstOffs += dstRowPitch;
|
|
}
|
|
}
|
|
|
|
// Unmap source and destination memory
|
|
srcMemory.cpuUnmap(vDev_);
|
|
dstMemory.cpuUnmap(vDev_);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
HostBlitManager::fillBuffer(
|
|
device::Memory& memory,
|
|
const void* pattern,
|
|
size_t patternSize,
|
|
const amd::Coord3D& origin,
|
|
const amd::Coord3D& size,
|
|
bool entire
|
|
) const
|
|
{
|
|
// Map memory
|
|
void* fillMem = memory.cpuMap(vDev_, (entire) ? Memory::CpuWriteOnly : 0);
|
|
if (fillMem == NULL) {
|
|
LogError("Couldn't map destination memory");
|
|
return false;
|
|
}
|
|
|
|
size_t offset = origin[0];
|
|
size_t fillSize = size[0];
|
|
|
|
if ((fillSize % patternSize) != 0) {
|
|
LogError("Misaligned buffer size and pattern size!");
|
|
}
|
|
|
|
// Fill the buffer memory with a pattern
|
|
for (size_t i = 0; i < (fillSize / patternSize); i++) {
|
|
memcpy(
|
|
(reinterpret_cast<address>(fillMem) + offset),
|
|
(reinterpret_cast<const_address>(pattern)),
|
|
patternSize
|
|
);
|
|
offset += patternSize;
|
|
}
|
|
|
|
// Unmap source and destination memory
|
|
memory.cpuUnmap(vDev_);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
HostBlitManager::fillImage(
|
|
device::Memory& memory,
|
|
const void* pattern,
|
|
const amd::Coord3D& origin,
|
|
const amd::Coord3D& size,
|
|
bool entire
|
|
) const
|
|
{
|
|
size_t startLayer = origin[2];
|
|
size_t numLayers = size[2];
|
|
if (memory.owner()->getType() == CL_MEM_OBJECT_IMAGE1D_ARRAY) {
|
|
startLayer = origin[1];
|
|
numLayers = size[1];
|
|
}
|
|
// rowPitch and slicePitch in bytes
|
|
size_t devRowPitch;
|
|
size_t devSlicePitch;
|
|
|
|
void *newpattern = const_cast<void *>(pattern);
|
|
cl_float4 fFillColor;
|
|
|
|
// Converting a linear RGB floating-point color value to a normalized 8-bit unsigned integer sRGB value so that the cpu path can treat sRGB as RGB for host transfer.
|
|
if (memory.owner()->asImage()->getImageFormat().image_channel_order == CL_sRGBA) {
|
|
float *fColor = static_cast<float *>(newpattern);
|
|
fFillColor.s[0] = sRGBmap(fColor[0]) / 255.0f;
|
|
fFillColor.s[1] = sRGBmap(fColor[1]) / 255.0f;
|
|
fFillColor.s[2] = sRGBmap(fColor[2]) / 255.0f;
|
|
fFillColor.s[3] = fColor[3];
|
|
newpattern = static_cast<void *>(&fFillColor);
|
|
}
|
|
|
|
// Map memory
|
|
void* fillMem = memory.cpuMap(vDev_, (entire) ? Memory::CpuWriteOnly : 0,
|
|
startLayer, numLayers, &devRowPitch, &devSlicePitch);
|
|
if (fillMem == NULL) {
|
|
LogError("Couldn't map destination memory");
|
|
return false;
|
|
}
|
|
|
|
float fillValue[4];
|
|
memset(fillValue, 0, sizeof(fillValue));
|
|
memory.owner()->asImage()->getImageFormat().formatColor(newpattern, fillValue);
|
|
|
|
size_t elementSize = memory.owner()->asImage()->getImageFormat().getElementSize();
|
|
size_t offset = origin[0] * elementSize;
|
|
size_t offsetOrg;
|
|
|
|
// Adjust offset with Y dimension
|
|
offset += devRowPitch * origin[1];
|
|
|
|
// Adjust offset with Z dimension
|
|
offset += devSlicePitch * origin[2];
|
|
|
|
offsetOrg = offset;
|
|
|
|
// Fill the image memory with a pattern
|
|
for (size_t slice = 0; slice < size[2]; ++slice) {
|
|
offset = offsetOrg + slice * devSlicePitch;
|
|
|
|
for (size_t rows = 0; rows < size[1]; ++rows) {
|
|
size_t pixOffset = offset;
|
|
|
|
// Copy memory pixel by pixel
|
|
for (size_t column = 0; column < size[0]; ++column) {
|
|
memcpy(
|
|
(reinterpret_cast<address>(fillMem) + pixOffset),
|
|
(reinterpret_cast<const_address>(fillValue)),
|
|
elementSize
|
|
);
|
|
pixOffset += elementSize;
|
|
}
|
|
|
|
offset += devRowPitch;
|
|
}
|
|
}
|
|
|
|
// Unmap memory
|
|
memory.cpuUnmap(vDev_);
|
|
|
|
return true;
|
|
}
|
|
|
|
cl_uint
|
|
HostBlitManager::sRGBmap(float fc) const
|
|
{
|
|
double c = (double)fc;
|
|
|
|
#ifdef ATI_OS_LINUX
|
|
if (isnan(c))
|
|
c = 0.0;
|
|
#else
|
|
if (_isnan(c))
|
|
c = 0.0;
|
|
#endif
|
|
|
|
if (c > 1.0)
|
|
c = 1.0;
|
|
else if (c < 0.0)
|
|
c = 0.0;
|
|
else if (c < 0.0031308)
|
|
c = 12.92 * c;
|
|
else
|
|
c = (1055.0/1000.0) * pow(c, 5.0/12.0) - (55.0/1000.0);
|
|
|
|
return (cl_uint)(c * 255.0 + 0.5);
|
|
}
|
|
} // namespace gpu
|