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// Copyright 2019 The Dawn Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "dawn_native/d3d12/UtilsD3D12.h"
#include "common/Assert.h"
#include "dawn_native/Format.h"
#include "dawn_native/d3d12/BufferD3D12.h"
#include "dawn_native/d3d12/CommandRecordingContext.h"
#include "dawn_native/d3d12/D3D12Error.h"
#include "dawn_native/d3d12/DeviceD3D12.h"
#include <stringapiset.h>
namespace dawn_native { namespace d3d12 {
ResultOrError<std::wstring> ConvertStringToWstring(const char* str) {
size_t len = strlen(str);
if (len == 0) {
return std::wstring();
}
int numChars = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, str, len, nullptr, 0);
if (numChars == 0) {
return DAWN_INTERNAL_ERROR("Failed to convert string to wide string");
}
std::wstring result;
result.resize(numChars);
int numConvertedChars =
MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, str, len, &result[0], numChars);
if (numConvertedChars != numChars) {
return DAWN_INTERNAL_ERROR("Failed to convert string to wide string");
}
return std::move(result);
}
D3D12_COMPARISON_FUNC ToD3D12ComparisonFunc(wgpu::CompareFunction func) {
switch (func) {
case wgpu::CompareFunction::Never:
return D3D12_COMPARISON_FUNC_NEVER;
case wgpu::CompareFunction::Less:
return D3D12_COMPARISON_FUNC_LESS;
case wgpu::CompareFunction::LessEqual:
return D3D12_COMPARISON_FUNC_LESS_EQUAL;
case wgpu::CompareFunction::Greater:
return D3D12_COMPARISON_FUNC_GREATER;
case wgpu::CompareFunction::GreaterEqual:
return D3D12_COMPARISON_FUNC_GREATER_EQUAL;
case wgpu::CompareFunction::Equal:
return D3D12_COMPARISON_FUNC_EQUAL;
case wgpu::CompareFunction::NotEqual:
return D3D12_COMPARISON_FUNC_NOT_EQUAL;
case wgpu::CompareFunction::Always:
return D3D12_COMPARISON_FUNC_ALWAYS;
case wgpu::CompareFunction::Undefined:
UNREACHABLE();
}
}
D3D12_TEXTURE_COPY_LOCATION ComputeTextureCopyLocationForTexture(const Texture* texture,
uint32_t level,
uint32_t layer,
Aspect aspect) {
D3D12_TEXTURE_COPY_LOCATION copyLocation;
copyLocation.pResource = texture->GetD3D12Resource();
copyLocation.Type = D3D12_TEXTURE_COPY_TYPE_SUBRESOURCE_INDEX;
copyLocation.SubresourceIndex = texture->GetSubresourceIndex(level, layer, aspect);
return copyLocation;
}
D3D12_TEXTURE_COPY_LOCATION ComputeBufferLocationForCopyTextureRegion(
const Texture* texture,
ID3D12Resource* bufferResource,
const Extent3D& bufferSize,
const uint64_t offset,
const uint32_t rowPitch,
Aspect aspect) {
D3D12_TEXTURE_COPY_LOCATION bufferLocation;
bufferLocation.pResource = bufferResource;
bufferLocation.Type = D3D12_TEXTURE_COPY_TYPE_PLACED_FOOTPRINT;
bufferLocation.PlacedFootprint.Offset = offset;
bufferLocation.PlacedFootprint.Footprint.Format =
texture->GetD3D12CopyableSubresourceFormat(aspect);
bufferLocation.PlacedFootprint.Footprint.Width = bufferSize.width;
bufferLocation.PlacedFootprint.Footprint.Height = bufferSize.height;
bufferLocation.PlacedFootprint.Footprint.Depth = bufferSize.depthOrArrayLayers;
bufferLocation.PlacedFootprint.Footprint.RowPitch = rowPitch;
return bufferLocation;
}
D3D12_BOX ComputeD3D12BoxFromOffsetAndSize(const Origin3D& offset, const Extent3D& copySize) {
D3D12_BOX sourceRegion;
sourceRegion.left = offset.x;
sourceRegion.top = offset.y;
sourceRegion.front = offset.z;
sourceRegion.right = offset.x + copySize.width;
sourceRegion.bottom = offset.y + copySize.height;
sourceRegion.back = offset.z + copySize.depthOrArrayLayers;
return sourceRegion;
}
bool IsTypeless(DXGI_FORMAT format) {
// List generated from <dxgiformat.h>
switch (format) {
case DXGI_FORMAT_R32G32B32A32_TYPELESS:
case DXGI_FORMAT_R32G32B32_TYPELESS:
case DXGI_FORMAT_R16G16B16A16_TYPELESS:
case DXGI_FORMAT_R32G32_TYPELESS:
case DXGI_FORMAT_R32G8X24_TYPELESS:
case DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS:
case DXGI_FORMAT_R10G10B10A2_TYPELESS:
case DXGI_FORMAT_R8G8B8A8_TYPELESS:
case DXGI_FORMAT_R16G16_TYPELESS:
case DXGI_FORMAT_R32_TYPELESS:
case DXGI_FORMAT_R24G8_TYPELESS:
case DXGI_FORMAT_R24_UNORM_X8_TYPELESS:
case DXGI_FORMAT_R8G8_TYPELESS:
case DXGI_FORMAT_R16_TYPELESS:
case DXGI_FORMAT_R8_TYPELESS:
case DXGI_FORMAT_BC1_TYPELESS:
case DXGI_FORMAT_BC2_TYPELESS:
case DXGI_FORMAT_BC3_TYPELESS:
case DXGI_FORMAT_BC4_TYPELESS:
case DXGI_FORMAT_BC5_TYPELESS:
case DXGI_FORMAT_B8G8R8A8_TYPELESS:
case DXGI_FORMAT_B8G8R8X8_TYPELESS:
case DXGI_FORMAT_BC6H_TYPELESS:
case DXGI_FORMAT_BC7_TYPELESS:
return true;
default:
return false;
}
}
void RecordCopyBufferToTextureFromTextureCopySplit(ID3D12GraphicsCommandList* commandList,
const TextureCopySubresource& baseCopySplit,
ID3D12Resource* bufferResource,
uint64_t baseOffset,
uint64_t bufferBytesPerRow,
Texture* texture,
uint32_t textureMiplevel,
uint32_t textureLayer,
Aspect aspect) {
ASSERT(HasOneBit(aspect));
const D3D12_TEXTURE_COPY_LOCATION textureLocation =
ComputeTextureCopyLocationForTexture(texture, textureMiplevel, textureLayer, aspect);
for (uint32_t i = 0; i < baseCopySplit.count; ++i) {
const TextureCopySubresource::CopyInfo& info = baseCopySplit.copies[i];
// TODO(jiawei.shao@intel.com): pre-compute bufferLocation and sourceRegion as
// members in TextureCopySubresource::CopyInfo.
const uint64_t offsetBytes = info.alignedOffset + baseOffset;
const D3D12_TEXTURE_COPY_LOCATION bufferLocation =
ComputeBufferLocationForCopyTextureRegion(texture, bufferResource, info.bufferSize,
offsetBytes, bufferBytesPerRow, aspect);
const D3D12_BOX sourceRegion =
ComputeD3D12BoxFromOffsetAndSize(info.bufferOffset, info.copySize);
commandList->CopyTextureRegion(&textureLocation, info.textureOffset.x,
info.textureOffset.y, info.textureOffset.z,
&bufferLocation, &sourceRegion);
}
}
void CopyBufferTo2DTextureWithCopySplit(CommandRecordingContext* commandContext,
const TextureCopy& textureCopy,
ID3D12Resource* bufferResource,
const uint64_t offset,
const uint32_t bytesPerRow,
const uint32_t rowsPerImage,
const Extent3D& copySize,
Texture* texture,
Aspect aspect) {
ASSERT(HasOneBit(aspect));
// See comments in Compute2DTextureCopySplits() for more details.
const TexelBlockInfo& blockInfo = texture->GetFormat().GetAspectInfo(aspect).block;
const TextureCopySplits copySplits = Compute2DTextureCopySplits(
textureCopy.origin, copySize, blockInfo, offset, bytesPerRow, rowsPerImage);
const uint64_t bytesPerLayer = bytesPerRow * rowsPerImage;
// copySplits.copySubresources[1] is always calculated for the second copy layer with
// extra "bytesPerLayer" copy offset compared with the first copy layer. So
// here we use an array bufferOffsetsForNextLayer to record the extra offsets
// for each copy layer: bufferOffsetsForNextLayer[0] is the extra offset for
// the next copy layer that uses copySplits.copySubresources[0], and
// bufferOffsetsForNextLayer[1] is the extra offset for the next copy layer
// that uses copySplits.copySubresources[1].
std::array<uint64_t, TextureCopySplits::kMaxTextureCopySubresources>
bufferOffsetsForNextLayer = {{0u, 0u}};
for (uint32_t copyLayer = 0; copyLayer < copySize.depthOrArrayLayers; ++copyLayer) {
const uint32_t splitIndex = copyLayer % copySplits.copySubresources.size();
const TextureCopySubresource& copySplitPerLayerBase =
copySplits.copySubresources[splitIndex];
const uint64_t bufferOffsetForNextLayer = bufferOffsetsForNextLayer[splitIndex];
const uint32_t copyTextureLayer = copyLayer + textureCopy.origin.z;
RecordCopyBufferToTextureFromTextureCopySplit(
commandContext->GetCommandList(), copySplitPerLayerBase, bufferResource,
bufferOffsetForNextLayer, bytesPerRow, texture, textureCopy.mipLevel,
copyTextureLayer, aspect);
bufferOffsetsForNextLayer[splitIndex] +=
bytesPerLayer * copySplits.copySubresources.size();
}
}
void CopyBufferTo3DTexture(CommandRecordingContext* commandContext,
const TextureCopy& textureCopy,
ID3D12Resource* bufferResource,
const uint64_t offset,
const uint32_t bytesPerRow,
const uint32_t rowsPerImage,
const Extent3D& copySize,
Texture* texture,
Aspect aspect) {
ASSERT(HasOneBit(aspect));
// See comments in Compute3DTextureCopySplits() for more details.
const TexelBlockInfo& blockInfo = texture->GetFormat().GetAspectInfo(aspect).block;
const TextureCopySubresource copyRegions = Compute3DTextureCopySplits(
textureCopy.origin, copySize, blockInfo, offset, bytesPerRow, rowsPerImage);
RecordCopyBufferToTextureFromTextureCopySplit(commandContext->GetCommandList(), copyRegions,
bufferResource, 0, bytesPerRow, texture,
textureCopy.mipLevel, 0, aspect);
}
void RecordCopyBufferToTexture(CommandRecordingContext* commandContext,
const TextureCopy& textureCopy,
ID3D12Resource* bufferResource,
const uint64_t offset,
const uint32_t bytesPerRow,
const uint32_t rowsPerImage,
const Extent3D& copySize,
Texture* texture,
Aspect aspect) {
// Record the CopyTextureRegion commands for 3D textures. Multiple depths of 3D
// textures can be copied in one shot and copySplits are not needed.
if (texture->GetDimension() == wgpu::TextureDimension::e3D) {
CopyBufferTo3DTexture(commandContext, textureCopy, bufferResource, offset, bytesPerRow,
rowsPerImage, copySize, texture, aspect);
} else {
// Compute the copySplits and record the CopyTextureRegion commands for 2D
// textures.
CopyBufferTo2DTextureWithCopySplit(commandContext, textureCopy, bufferResource, offset,
bytesPerRow, rowsPerImage, copySize, texture,
aspect);
}
}
void RecordCopyTextureToBufferFromTextureCopySplit(ID3D12GraphicsCommandList* commandList,
const TextureCopySubresource& baseCopySplit,
Buffer* buffer,
uint64_t baseOffset,
uint64_t bufferBytesPerRow,
Texture* texture,
uint32_t textureMiplevel,
uint32_t textureLayer,
Aspect aspect) {
const D3D12_TEXTURE_COPY_LOCATION textureLocation =
ComputeTextureCopyLocationForTexture(texture, textureMiplevel, textureLayer, aspect);
for (uint32_t i = 0; i < baseCopySplit.count; ++i) {
const TextureCopySubresource::CopyInfo& info = baseCopySplit.copies[i];
// TODO(jiawei.shao@intel.com): pre-compute bufferLocation and sourceRegion as
// members in TextureCopySubresource::CopyInfo.
const uint64_t offsetBytes = info.alignedOffset + baseOffset;
const D3D12_TEXTURE_COPY_LOCATION bufferLocation =
ComputeBufferLocationForCopyTextureRegion(texture, buffer->GetD3D12Resource(),
info.bufferSize, offsetBytes,
bufferBytesPerRow, aspect);
const D3D12_BOX sourceRegion =
ComputeD3D12BoxFromOffsetAndSize(info.textureOffset, info.copySize);
commandList->CopyTextureRegion(&bufferLocation, info.bufferOffset.x,
info.bufferOffset.y, info.bufferOffset.z,
&textureLocation, &sourceRegion);
}
}
void Copy2DTextureToBufferWithCopySplit(ID3D12GraphicsCommandList* commandList,
const TextureCopy& textureCopy,
const BufferCopy& bufferCopy,
Texture* texture,
Buffer* buffer,
const Extent3D& copySize) {
ASSERT(HasOneBit(textureCopy.aspect));
const TexelBlockInfo& blockInfo =
texture->GetFormat().GetAspectInfo(textureCopy.aspect).block;
// See comments around Compute2DTextureCopySplits() for more details.
const TextureCopySplits copySplits =
Compute2DTextureCopySplits(textureCopy.origin, copySize, blockInfo, bufferCopy.offset,
bufferCopy.bytesPerRow, bufferCopy.rowsPerImage);
const uint64_t bytesPerLayer = bufferCopy.bytesPerRow * bufferCopy.rowsPerImage;
// copySplits.copySubresources[1] is always calculated for the second copy layer with
// extra "bytesPerLayer" copy offset compared with the first copy layer. So
// here we use an array bufferOffsetsForNextLayer to record the extra offsets
// for each copy layer: bufferOffsetsForNextLayer[0] is the extra offset for
// the next copy layer that uses copySplits.copySubresources[0], and
// bufferOffsetsForNextLayer[1] is the extra offset for the next copy layer
// that uses copySplits.copySubresources[1].
std::array<uint64_t, TextureCopySplits::kMaxTextureCopySubresources>
bufferOffsetsForNextLayer = {{0u, 0u}};
for (uint32_t copyLayer = 0; copyLayer < copySize.depthOrArrayLayers; ++copyLayer) {
const uint32_t splitIndex = copyLayer % copySplits.copySubresources.size();
const TextureCopySubresource& copySplitPerLayerBase =
copySplits.copySubresources[splitIndex];
const uint64_t bufferOffsetForNextLayer = bufferOffsetsForNextLayer[splitIndex];
const uint32_t copyTextureLayer = copyLayer + textureCopy.origin.z;
RecordCopyTextureToBufferFromTextureCopySplit(
commandList, copySplitPerLayerBase, buffer, bufferOffsetForNextLayer,
bufferCopy.bytesPerRow, texture, textureCopy.mipLevel, copyTextureLayer,
textureCopy.aspect);
bufferOffsetsForNextLayer[splitIndex] +=
bytesPerLayer * copySplits.copySubresources.size();
}
}
void Copy3DTextureToBuffer(ID3D12GraphicsCommandList* commandList,
const TextureCopy& textureCopy,
const BufferCopy& bufferCopy,
Texture* texture,
Buffer* buffer,
const Extent3D& copySize) {
ASSERT(HasOneBit(textureCopy.aspect));
const TexelBlockInfo& blockInfo =
texture->GetFormat().GetAspectInfo(textureCopy.aspect).block;
// See comments around Compute3DTextureCopySplits() for more details.
const TextureCopySubresource copyRegions =
Compute3DTextureCopySplits(textureCopy.origin, copySize, blockInfo, bufferCopy.offset,
bufferCopy.bytesPerRow, bufferCopy.rowsPerImage);
RecordCopyTextureToBufferFromTextureCopySplit(commandList, copyRegions, buffer, 0,
bufferCopy.bytesPerRow, texture,
textureCopy.mipLevel, 0, textureCopy.aspect);
}
void RecordCopyTextureToBuffer(ID3D12GraphicsCommandList* commandList,
const TextureCopy& textureCopy,
const BufferCopy& bufferCopy,
Texture* texture,
Buffer* buffer,
const Extent3D& copySize) {
if (texture->GetDimension() == wgpu::TextureDimension::e3D) {
Copy3DTextureToBuffer(commandList, textureCopy, bufferCopy, texture, buffer, copySize);
} else {
Copy2DTextureToBufferWithCopySplit(commandList, textureCopy, bufferCopy, texture,
buffer, copySize);
}
}
void SetDebugName(Device* device, ID3D12Object* object, const char* prefix, std::string label) {
if (!object) {
return;
}
if (label.empty() || !device->IsToggleEnabled(Toggle::UseUserDefinedLabelsInBackend)) {
object->SetPrivateData(WKPDID_D3DDebugObjectName, strlen(prefix), prefix);
return;
}
std::string objectName = prefix;
objectName += "_";
objectName += label;
object->SetPrivateData(WKPDID_D3DDebugObjectName, objectName.length(), objectName.c_str());
}
}} // namespace dawn_native::d3d12