| // 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. |
| |
| #include "TextureFormatUtils.h" |
| |
| namespace utils { |
| const char* GetColorTextureComponentTypePrefix(wgpu::TextureFormat textureFormat) { |
| switch (textureFormat) { |
| case wgpu::TextureFormat::R8Unorm: |
| case wgpu::TextureFormat::R8Snorm: |
| case wgpu::TextureFormat::R16Float: |
| case wgpu::TextureFormat::RG8Unorm: |
| case wgpu::TextureFormat::RG8Snorm: |
| case wgpu::TextureFormat::R32Float: |
| case wgpu::TextureFormat::RG16Float: |
| case wgpu::TextureFormat::RGBA8Unorm: |
| case wgpu::TextureFormat::RGBA8Snorm: |
| case wgpu::TextureFormat::RGB10A2Unorm: |
| case wgpu::TextureFormat::RG11B10Float: |
| case wgpu::TextureFormat::RG32Float: |
| case wgpu::TextureFormat::RGBA16Float: |
| case wgpu::TextureFormat::RGBA32Float: |
| case wgpu::TextureFormat::BGRA8Unorm: |
| case wgpu::TextureFormat::BGRA8UnormSrgb: |
| case wgpu::TextureFormat::RGBA8UnormSrgb: |
| return ""; |
| |
| case wgpu::TextureFormat::R8Uint: |
| case wgpu::TextureFormat::R16Uint: |
| case wgpu::TextureFormat::RG8Uint: |
| case wgpu::TextureFormat::R32Uint: |
| case wgpu::TextureFormat::RG16Uint: |
| case wgpu::TextureFormat::RGBA8Uint: |
| case wgpu::TextureFormat::RG32Uint: |
| case wgpu::TextureFormat::RGBA16Uint: |
| case wgpu::TextureFormat::RGBA32Uint: |
| return "u"; |
| |
| case wgpu::TextureFormat::R8Sint: |
| case wgpu::TextureFormat::R16Sint: |
| case wgpu::TextureFormat::RG8Sint: |
| case wgpu::TextureFormat::R32Sint: |
| case wgpu::TextureFormat::RG16Sint: |
| case wgpu::TextureFormat::RGBA8Sint: |
| case wgpu::TextureFormat::RG32Sint: |
| case wgpu::TextureFormat::RGBA16Sint: |
| case wgpu::TextureFormat::RGBA32Sint: |
| return "i"; |
| default: |
| UNREACHABLE(); |
| return ""; |
| } |
| } |
| |
| bool TextureFormatSupportsStorageTexture(wgpu::TextureFormat format) { |
| switch (format) { |
| case wgpu::TextureFormat::R32Uint: |
| case wgpu::TextureFormat::R32Sint: |
| case wgpu::TextureFormat::R32Float: |
| case wgpu::TextureFormat::RGBA8Unorm: |
| case wgpu::TextureFormat::RGBA8Snorm: |
| case wgpu::TextureFormat::RGBA8Uint: |
| case wgpu::TextureFormat::RGBA8Sint: |
| case wgpu::TextureFormat::RG32Uint: |
| case wgpu::TextureFormat::RG32Sint: |
| case wgpu::TextureFormat::RG32Float: |
| case wgpu::TextureFormat::RGBA16Uint: |
| case wgpu::TextureFormat::RGBA16Sint: |
| case wgpu::TextureFormat::RGBA16Float: |
| case wgpu::TextureFormat::RGBA32Uint: |
| case wgpu::TextureFormat::RGBA32Sint: |
| case wgpu::TextureFormat::RGBA32Float: |
| return true; |
| default: |
| return false; |
| } |
| } |
| } // namespace utils |