| // 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. |
| |
| #ifndef SRC_DAWN_UTILS_TESTUTILS_H_ |
| #define SRC_DAWN_UTILS_TESTUTILS_H_ |
| |
| #include <functional> |
| #include <ostream> |
| |
| #include "dawn/webgpu_cpp.h" |
| |
| namespace dawn::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); |
| |
| void RunInParallel(uint32_t numThreads, |
| const std::function<void(uint32_t)>& workerFunc, |
| const std::function<void()>& mainThreadFunc = nullptr); |
| |
| } // namespace dawn::utils |
| |
| #endif // SRC_DAWN_UTILS_TESTUTILS_H_ |