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// Copyright 2020 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <algorithm>
#include <memory>
#include <ostream>
#include <thread>
#include <vector>
#include "dawn/common/Assert.h"
#include "dawn/common/Constants.h"
#include "dawn/common/Math.h"
#include "dawn/utils/TestUtils.h"
#include "dawn/utils/TextureUtils.h"
#include "dawn/utils/WGPUHelpers.h"
namespace dawn::utils {
const RGBA8 RGBA8::kZero = RGBA8(0, 0, 0, 0);
const RGBA8 RGBA8::kBlack = RGBA8(0, 0, 0, 255);
const RGBA8 RGBA8::kRed = RGBA8(255, 0, 0, 255);
const RGBA8 RGBA8::kGreen = RGBA8(0, 255, 0, 255);
const RGBA8 RGBA8::kBlue = RGBA8(0, 0, 255, 255);
const RGBA8 RGBA8::kYellow = RGBA8(255, 255, 0, 255);
const RGBA8 RGBA8::kWhite = RGBA8(255, 255, 255, 255);
std::ostream& operator<<(std::ostream& stream, const RGBA8& color) {
return stream << "RGBA8(" << static_cast<int>(color.r) << ", " << static_cast<int>(color.g)
<< ", " << static_cast<int>(color.b) << ", " << static_cast<int>(color.a) << ")";
}
uint32_t GetMinimumBytesPerRow(wgpu::TextureFormat format, uint32_t width) {
const uint32_t bytesPerBlock = dawn::utils::GetTexelBlockSizeInBytes(format);
const uint32_t blockWidth = dawn::utils::GetTextureFormatBlockWidth(format);
DAWN_ASSERT(width % blockWidth == 0);
return Align(bytesPerBlock * (width / blockWidth), kTextureBytesPerRowAlignment);
}
TextureDataCopyLayout GetTextureDataCopyLayoutForTextureAtLevel(wgpu::TextureFormat format,
wgpu::Extent3D textureSizeAtLevel0,
uint32_t mipmapLevel,
wgpu::TextureDimension dimension,
uint32_t rowsPerImage) {
// Compressed texture formats not supported in this function yet.
DAWN_ASSERT(dawn::utils::GetTextureFormatBlockWidth(format) == 1);
TextureDataCopyLayout layout;
layout.mipSize = {std::max(textureSizeAtLevel0.width >> mipmapLevel, 1u),
std::max(textureSizeAtLevel0.height >> mipmapLevel, 1u),
textureSizeAtLevel0.depthOrArrayLayers};
if (dimension == wgpu::TextureDimension::e3D) {
layout.mipSize.depthOrArrayLayers =
std::max(textureSizeAtLevel0.depthOrArrayLayers >> mipmapLevel, 1u);
}
layout.bytesPerRow = GetMinimumBytesPerRow(format, layout.mipSize.width);
if (rowsPerImage == wgpu::kCopyStrideUndefined) {
rowsPerImage = layout.mipSize.height;
}
layout.rowsPerImage = rowsPerImage;
uint32_t appliedRowsPerImage = rowsPerImage > 0 ? rowsPerImage : layout.mipSize.height;
layout.bytesPerImage = layout.bytesPerRow * appliedRowsPerImage;
layout.byteLength =
RequiredBytesInCopy(layout.bytesPerRow, appliedRowsPerImage, layout.mipSize, format);
const uint32_t bytesPerTexel = dawn::utils::GetTexelBlockSizeInBytes(format);
layout.texelBlocksPerRow = layout.bytesPerRow / bytesPerTexel;
layout.texelBlocksPerImage = layout.bytesPerImage / bytesPerTexel;
layout.texelBlockCount = layout.byteLength / bytesPerTexel;
return layout;
}
uint64_t RequiredBytesInCopy(uint64_t bytesPerRow,
uint64_t rowsPerImage,
wgpu::Extent3D copyExtent,
wgpu::TextureFormat textureFormat) {
uint32_t blockSize = dawn::utils::GetTexelBlockSizeInBytes(textureFormat);
uint32_t blockWidth = dawn::utils::GetTextureFormatBlockWidth(textureFormat);
uint32_t blockHeight = dawn::utils::GetTextureFormatBlockHeight(textureFormat);
DAWN_ASSERT(copyExtent.width % blockWidth == 0);
uint32_t widthInBlocks = copyExtent.width / blockWidth;
DAWN_ASSERT(copyExtent.height % blockHeight == 0);
uint32_t heightInBlocks = copyExtent.height / blockHeight;
return RequiredBytesInCopy(bytesPerRow, rowsPerImage, widthInBlocks, heightInBlocks,
copyExtent.depthOrArrayLayers, blockSize);
}
uint64_t RequiredBytesInCopy(uint64_t bytesPerRow,
uint64_t rowsPerImage,
uint64_t widthInBlocks,
uint64_t heightInBlocks,
uint64_t depth,
uint64_t bytesPerBlock) {
if (depth == 0) {
return 0;
}
uint64_t bytesPerImage = bytesPerRow * rowsPerImage;
uint64_t requiredBytesInCopy = bytesPerImage * (depth - 1);
if (heightInBlocks != 0) {
uint64_t lastRowBytes = widthInBlocks * bytesPerBlock;
uint64_t lastImageBytes = bytesPerRow * (heightInBlocks - 1) + lastRowBytes;
requiredBytesInCopy += lastImageBytes;
}
return requiredBytesInCopy;
}
uint64_t GetTexelCountInCopyRegion(uint64_t bytesPerRow,
uint64_t rowsPerImage,
wgpu::Extent3D copyExtent,
wgpu::TextureFormat textureFormat) {
return RequiredBytesInCopy(bytesPerRow, rowsPerImage, copyExtent, textureFormat) /
dawn::utils::GetTexelBlockSizeInBytes(textureFormat);
}
void UnalignDynamicUploader(wgpu::Device device) {
std::vector<uint8_t> data = {1};
wgpu::TextureDescriptor descriptor = {};
descriptor.size = {1, 1, 1};
descriptor.format = wgpu::TextureFormat::R8Unorm;
descriptor.usage = wgpu::TextureUsage::CopyDst | wgpu::TextureUsage::CopySrc;
wgpu::Texture texture = device.CreateTexture(&descriptor);
wgpu::ImageCopyTexture imageCopyTexture =
dawn::utils::CreateImageCopyTexture(texture, 0, {0, 0, 0});
wgpu::TextureDataLayout textureDataLayout =
dawn::utils::CreateTextureDataLayout(0, wgpu::kCopyStrideUndefined);
wgpu::Extent3D copyExtent = {1, 1, 1};
// WriteTexture with exactly 1 byte of data.
device.GetQueue().WriteTexture(&imageCopyTexture, data.data(), 1, &textureDataLayout,
&copyExtent);
}
uint32_t VertexFormatSize(wgpu::VertexFormat format) {
switch (format) {
case wgpu::VertexFormat::Uint8x2:
case wgpu::VertexFormat::Sint8x2:
case wgpu::VertexFormat::Unorm8x2:
case wgpu::VertexFormat::Snorm8x2:
return 2;
case wgpu::VertexFormat::Uint8x4:
case wgpu::VertexFormat::Sint8x4:
case wgpu::VertexFormat::Unorm8x4:
case wgpu::VertexFormat::Snorm8x4:
case wgpu::VertexFormat::Uint16x2:
case wgpu::VertexFormat::Sint16x2:
case wgpu::VertexFormat::Unorm16x2:
case wgpu::VertexFormat::Snorm16x2:
case wgpu::VertexFormat::Float16x2:
case wgpu::VertexFormat::Float32:
case wgpu::VertexFormat::Uint32:
case wgpu::VertexFormat::Sint32:
case wgpu::VertexFormat::Unorm10_10_10_2:
return 4;
case wgpu::VertexFormat::Uint16x4:
case wgpu::VertexFormat::Sint16x4:
case wgpu::VertexFormat::Unorm16x4:
case wgpu::VertexFormat::Snorm16x4:
case wgpu::VertexFormat::Float16x4:
case wgpu::VertexFormat::Float32x2:
case wgpu::VertexFormat::Uint32x2:
case wgpu::VertexFormat::Sint32x2:
return 8;
case wgpu::VertexFormat::Float32x3:
case wgpu::VertexFormat::Uint32x3:
case wgpu::VertexFormat::Sint32x3:
return 12;
case wgpu::VertexFormat::Float32x4:
case wgpu::VertexFormat::Uint32x4:
case wgpu::VertexFormat::Sint32x4:
return 16;
case wgpu::VertexFormat::Undefined:
break;
}
DAWN_UNREACHABLE();
}
void RunInParallel(uint32_t numThreads,
const std::function<void(uint32_t)>& workerFunc,
const std::function<void()>& mainThreadFunc) {
std::vector<std::unique_ptr<std::thread>> threads(numThreads);
for (uint32_t i = 0; i < threads.size(); ++i) {
threads[i] = std::make_unique<std::thread>([i, workerFunc] { workerFunc(i); });
}
if (mainThreadFunc != nullptr) {
mainThreadFunc();
}
for (auto& thread : threads) {
thread->join();
}
}
} // namespace dawn::utils