| // Copyright 2018 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 INCLUDE_DAWN_NATIVE_OPENGLBACKEND_H_ |
| #define INCLUDE_DAWN_NATIVE_OPENGLBACKEND_H_ |
| |
| #include "dawn/native/DawnNative.h" |
| #include "webgpu/webgpu_cpp_chained_struct.h" |
| |
| namespace dawn::native::opengl { |
| |
| using EGLDisplay = void*; |
| using EGLImage = void*; |
| using GLuint = unsigned int; |
| |
| // Define a GetProc function pointer that mirrors the one in egl.h |
| #if defined(_WIN32) |
| #define DAWN_STDCALL __stdcall |
| #else // defined(_WIN32) |
| #define DAWN_STDCALL |
| #endif // defined(_WIN32) |
| |
| using EGLFunctionPointerType = void (*)(); |
| // NOLINTNEXTLINE(readability/casting): cpplint thinks this is a C-style cast but it isn't. |
| using EGLGetProcProc = EGLFunctionPointerType(DAWN_STDCALL*)(const char*); |
| #undef DAWN_STDCALL |
| |
| // Can be chained in WGPURequestAdapterOptions |
| struct DAWN_NATIVE_EXPORT RequestAdapterOptionsGetGLProc : wgpu::ChainedStruct { |
| RequestAdapterOptionsGetGLProc(); |
| |
| EGLGetProcProc getProc; |
| EGLDisplay display; |
| }; |
| |
| struct DAWN_NATIVE_EXPORT ExternalImageDescriptorEGLImage : ExternalImageDescriptor { |
| public: |
| ExternalImageDescriptorEGLImage(); |
| |
| EGLImage image; |
| }; |
| |
| DAWN_NATIVE_EXPORT WGPUTexture |
| WrapExternalEGLImage(WGPUDevice device, const ExternalImageDescriptorEGLImage* descriptor); |
| |
| struct DAWN_NATIVE_EXPORT ExternalImageDescriptorGLTexture : ExternalImageDescriptor { |
| public: |
| ExternalImageDescriptorGLTexture(); |
| |
| GLuint texture; |
| }; |
| |
| DAWN_NATIVE_EXPORT WGPUTexture |
| WrapExternalGLTexture(WGPUDevice device, const ExternalImageDescriptorGLTexture* descriptor); |
| |
| } // namespace dawn::native::opengl |
| |
| #endif // INCLUDE_DAWN_NATIVE_OPENGLBACKEND_H_ |