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// 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 UTILS_TEXTURE_UTILS_H_
#define UTILS_TEXTURE_UTILS_H_
#include <array>
#include <dawn/webgpu_cpp.h>
#include "common/Assert.h"
namespace utils {
static constexpr std::array<wgpu::TextureFormat, 63> kAllTextureFormats = {
wgpu::TextureFormat::R8Unorm,
wgpu::TextureFormat::R8Snorm,
wgpu::TextureFormat::R8Uint,
wgpu::TextureFormat::R8Sint,
wgpu::TextureFormat::R16Uint,
wgpu::TextureFormat::R16Sint,
wgpu::TextureFormat::R16Float,
wgpu::TextureFormat::RG8Unorm,
wgpu::TextureFormat::RG8Snorm,
wgpu::TextureFormat::RG8Uint,
wgpu::TextureFormat::RG8Sint,
wgpu::TextureFormat::R32Float,
wgpu::TextureFormat::R32Uint,
wgpu::TextureFormat::R32Sint,
wgpu::TextureFormat::RG16Uint,
wgpu::TextureFormat::RG16Sint,
wgpu::TextureFormat::RG16Float,
wgpu::TextureFormat::RGBA8Unorm,
wgpu::TextureFormat::RGBA8UnormSrgb,
wgpu::TextureFormat::RGBA8Snorm,
wgpu::TextureFormat::RGBA8Uint,
wgpu::TextureFormat::RGBA8Sint,
wgpu::TextureFormat::BGRA8Unorm,
wgpu::TextureFormat::BGRA8UnormSrgb,
wgpu::TextureFormat::RGB10A2Unorm,
wgpu::TextureFormat::RG11B10Ufloat,
wgpu::TextureFormat::RGB9E5Ufloat,
wgpu::TextureFormat::RG32Float,
wgpu::TextureFormat::RG32Uint,
wgpu::TextureFormat::RG32Sint,
wgpu::TextureFormat::RGBA16Uint,
wgpu::TextureFormat::RGBA16Sint,
wgpu::TextureFormat::RGBA16Float,
wgpu::TextureFormat::RGBA32Float,
wgpu::TextureFormat::RGBA32Uint,
wgpu::TextureFormat::RGBA32Sint,
wgpu::TextureFormat::Depth32Float,
wgpu::TextureFormat::Depth24Plus,
wgpu::TextureFormat::Depth24PlusStencil8,
wgpu::TextureFormat::BC1RGBAUnorm,
wgpu::TextureFormat::BC1RGBAUnormSrgb,
wgpu::TextureFormat::BC2RGBAUnorm,
wgpu::TextureFormat::BC2RGBAUnormSrgb,
wgpu::TextureFormat::BC3RGBAUnorm,
wgpu::TextureFormat::BC3RGBAUnormSrgb,
wgpu::TextureFormat::BC4RUnorm,
wgpu::TextureFormat::BC4RSnorm,
wgpu::TextureFormat::BC5RGUnorm,
wgpu::TextureFormat::BC5RGSnorm,
wgpu::TextureFormat::BC6HRGBUfloat,
wgpu::TextureFormat::BC6HRGBFloat,
wgpu::TextureFormat::BC7RGBAUnorm,
wgpu::TextureFormat::BC7RGBAUnormSrgb,
wgpu::TextureFormat::ETC2RGB8Unorm,
wgpu::TextureFormat::ETC2RGB8UnormSrgb,
wgpu::TextureFormat::ETC2RGB8A1Unorm,
wgpu::TextureFormat::ETC2RGB8A1UnormSrgb,
wgpu::TextureFormat::ETC2RGBA8Unorm,
wgpu::TextureFormat::ETC2RGBA8UnormSrgb,
wgpu::TextureFormat::EACR11Unorm,
wgpu::TextureFormat::EACR11Snorm,
wgpu::TextureFormat::EACRG11Unorm,
wgpu::TextureFormat::EACRG11Snorm};
static constexpr std::array<wgpu::TextureFormat, 14> kBCFormats = {
wgpu::TextureFormat::BC1RGBAUnorm, wgpu::TextureFormat::BC1RGBAUnormSrgb,
wgpu::TextureFormat::BC2RGBAUnorm, wgpu::TextureFormat::BC2RGBAUnormSrgb,
wgpu::TextureFormat::BC3RGBAUnorm, wgpu::TextureFormat::BC3RGBAUnormSrgb,
wgpu::TextureFormat::BC4RUnorm, wgpu::TextureFormat::BC4RSnorm,
wgpu::TextureFormat::BC5RGUnorm, wgpu::TextureFormat::BC5RGSnorm,
wgpu::TextureFormat::BC6HRGBUfloat, wgpu::TextureFormat::BC6HRGBFloat,
wgpu::TextureFormat::BC7RGBAUnorm, wgpu::TextureFormat::BC7RGBAUnormSrgb};
static constexpr std::array<wgpu::TextureFormat, 10> kETC2Formats = {
wgpu::TextureFormat::ETC2RGB8Unorm, wgpu::TextureFormat::ETC2RGB8UnormSrgb,
wgpu::TextureFormat::ETC2RGB8A1Unorm, wgpu::TextureFormat::ETC2RGB8A1UnormSrgb,
wgpu::TextureFormat::ETC2RGBA8Unorm, wgpu::TextureFormat::ETC2RGBA8UnormSrgb,
wgpu::TextureFormat::EACR11Unorm, wgpu::TextureFormat::EACR11Snorm,
wgpu::TextureFormat::EACRG11Unorm, wgpu::TextureFormat::EACRG11Snorm};
// TODO(crbug.com/dawn/955) Add formats once implemented.
static constexpr std::array<wgpu::TextureFormat, 0> kASTCFormats = {};
static constexpr std::array<wgpu::TextureFormat, 24> kCompressedFormats = {
wgpu::TextureFormat::BC1RGBAUnorm, wgpu::TextureFormat::BC1RGBAUnormSrgb,
wgpu::TextureFormat::BC2RGBAUnorm, wgpu::TextureFormat::BC2RGBAUnormSrgb,
wgpu::TextureFormat::BC3RGBAUnorm, wgpu::TextureFormat::BC3RGBAUnormSrgb,
wgpu::TextureFormat::BC4RUnorm, wgpu::TextureFormat::BC4RSnorm,
wgpu::TextureFormat::BC5RGUnorm, wgpu::TextureFormat::BC5RGSnorm,
wgpu::TextureFormat::BC6HRGBUfloat, wgpu::TextureFormat::BC6HRGBFloat,
wgpu::TextureFormat::BC7RGBAUnorm, wgpu::TextureFormat::BC7RGBAUnormSrgb,
wgpu::TextureFormat::ETC2RGB8Unorm, wgpu::TextureFormat::ETC2RGB8UnormSrgb,
wgpu::TextureFormat::ETC2RGB8A1Unorm, wgpu::TextureFormat::ETC2RGB8A1UnormSrgb,
wgpu::TextureFormat::ETC2RGBA8Unorm, wgpu::TextureFormat::ETC2RGBA8UnormSrgb,
wgpu::TextureFormat::EACR11Unorm, wgpu::TextureFormat::EACR11Snorm,
wgpu::TextureFormat::EACRG11Unorm, wgpu::TextureFormat::EACRG11Snorm};
static_assert(kCompressedFormats.size() ==
kBCFormats.size() + kETC2Formats.size() + kASTCFormats.size(),
"Number of compressed format must equal number of BC, ETC2, and ASTC formats.");
bool TextureFormatSupportsStorageTexture(wgpu::TextureFormat format);
bool IsBCTextureFormat(wgpu::TextureFormat textureFormat);
bool IsETC2TextureFormat(wgpu::TextureFormat textureFormat);
bool IsASTCTextureFormat(wgpu::TextureFormat textureFormat);
uint32_t GetTexelBlockSizeInBytes(wgpu::TextureFormat textureFormat);
uint32_t GetTextureFormatBlockWidth(wgpu::TextureFormat textureFormat);
uint32_t GetTextureFormatBlockHeight(wgpu::TextureFormat textureFormat);
const char* GetWGSLColorTextureComponentType(wgpu::TextureFormat textureFormat);
const char* GetWGSLImageFormatQualifier(wgpu::TextureFormat textureFormat);
uint32_t GetWGSLRenderableColorTextureComponentCount(wgpu::TextureFormat textureFormat);
wgpu::TextureDimension ViewDimensionToTextureDimension(
const wgpu::TextureViewDimension dimension);
} // namespace utils
#endif