| // Copyright 2019 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 "dawn/native/opengl/UtilsGL.h" |
| |
| #include "dawn/common/Assert.h" |
| |
| namespace dawn::native::opengl { |
| |
| GLuint ToOpenGLCompareFunction(wgpu::CompareFunction compareFunction) { |
| switch (compareFunction) { |
| case wgpu::CompareFunction::Never: |
| return GL_NEVER; |
| case wgpu::CompareFunction::Less: |
| return GL_LESS; |
| case wgpu::CompareFunction::LessEqual: |
| return GL_LEQUAL; |
| case wgpu::CompareFunction::Greater: |
| return GL_GREATER; |
| case wgpu::CompareFunction::GreaterEqual: |
| return GL_GEQUAL; |
| case wgpu::CompareFunction::NotEqual: |
| return GL_NOTEQUAL; |
| case wgpu::CompareFunction::Equal: |
| return GL_EQUAL; |
| case wgpu::CompareFunction::Always: |
| return GL_ALWAYS; |
| |
| case wgpu::CompareFunction::Undefined: |
| break; |
| } |
| UNREACHABLE(); |
| } |
| |
| GLint GetStencilMaskFromStencilFormat(wgpu::TextureFormat depthStencilFormat) { |
| switch (depthStencilFormat) { |
| case wgpu::TextureFormat::Depth24PlusStencil8: |
| case wgpu::TextureFormat::Depth24UnormStencil8: |
| case wgpu::TextureFormat::Depth32FloatStencil8: |
| case wgpu::TextureFormat::Stencil8: |
| return 0xFF; |
| |
| default: |
| UNREACHABLE(); |
| } |
| } |
| } // namespace dawn::native::opengl |