| // Copyright 2020 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. |
| |
| #ifndef SRC_DAWN_UTILS_TESTUTILS_H_ |
| #define SRC_DAWN_UTILS_TESTUTILS_H_ |
| |
| #include <ostream> |
| |
| #include "dawn/webgpu_cpp.h" |
| |
| namespace utils { |
| |
| struct RGBA8 { |
| constexpr RGBA8() : RGBA8(0, 0, 0, 0) {} |
| constexpr RGBA8(uint8_t r, uint8_t g, uint8_t b, uint8_t a) : r(r), g(g), b(b), a(a) {} |
| bool operator==(const RGBA8& other) const; |
| bool operator!=(const RGBA8& other) const; |
| bool operator<=(const RGBA8& other) const; |
| bool operator>=(const RGBA8& other) const; |
| |
| uint8_t r, g, b, a; |
| |
| static const RGBA8 kZero; |
| static const RGBA8 kBlack; |
| static const RGBA8 kRed; |
| static const RGBA8 kGreen; |
| static const RGBA8 kBlue; |
| static const RGBA8 kYellow; |
| static const RGBA8 kWhite; |
| }; |
| std::ostream& operator<<(std::ostream& stream, const RGBA8& color); |
| |
| struct TextureDataCopyLayout { |
| uint64_t byteLength; |
| uint64_t texelBlockCount; |
| uint32_t bytesPerRow; |
| uint32_t rowsPerImage; |
| uint32_t texelBlocksPerRow; |
| uint32_t bytesPerImage; |
| uint32_t texelBlocksPerImage; |
| wgpu::Extent3D mipSize; |
| }; |
| |
| uint32_t GetMinimumBytesPerRow(wgpu::TextureFormat format, uint32_t width); |
| TextureDataCopyLayout GetTextureDataCopyLayoutForTextureAtLevel( |
| wgpu::TextureFormat format, |
| wgpu::Extent3D textureSizeAtLevel0, |
| uint32_t mipmapLevel, |
| wgpu::TextureDimension dimension = wgpu::TextureDimension::e2D, |
| uint32_t rowsPerImage = wgpu::kCopyStrideUndefined); |
| |
| uint64_t RequiredBytesInCopy(uint64_t bytesPerRow, |
| uint64_t rowsPerImage, |
| wgpu::Extent3D copyExtent, |
| wgpu::TextureFormat textureFormat); |
| uint64_t RequiredBytesInCopy(uint64_t bytesPerRow, |
| uint64_t rowsPerImage, |
| uint64_t widthInBlocks, |
| uint64_t heightInBlocks, |
| uint64_t depth, |
| uint64_t bytesPerBlock); |
| |
| uint64_t GetTexelCountInCopyRegion(uint64_t bytesPerRow, |
| uint64_t rowsPerImage, |
| wgpu::Extent3D copyExtent, |
| wgpu::TextureFormat textureFormat); |
| |
| // A helper function used for testing DynamicUploader offset alignment. |
| // A call of this function will do a Queue::WriteTexture with 1 byte of data, |
| // so that assuming that WriteTexture uses DynamicUploader, the first RingBuffer |
| // in it will contain 1 byte of data. |
| void UnalignDynamicUploader(wgpu::Device device); |
| |
| uint32_t VertexFormatSize(wgpu::VertexFormat format); |
| |
| } // namespace utils |
| |
| #endif // SRC_DAWN_UTILS_TESTUTILS_H_ |