| // Copyright 2017 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 SRC_DAWN_COMMON_SWAPCHAINUTILS_H_ |
| #define SRC_DAWN_COMMON_SWAPCHAINUTILS_H_ |
| |
| #include "dawn/dawn_wsi.h" |
| |
| template <typename T> |
| DawnSwapChainImplementation CreateSwapChainImplementation(T* swapChain) { |
| DawnSwapChainImplementation impl = {}; |
| impl.userData = swapChain; |
| impl.Init = [](void* userData, void* wsiContext) { |
| auto* ctx = static_cast<typename T::WSIContext*>(wsiContext); |
| reinterpret_cast<T*>(userData)->Init(ctx); |
| }; |
| impl.Destroy = [](void* userData) { delete reinterpret_cast<T*>(userData); }; |
| impl.Configure = [](void* userData, WGPUTextureFormat format, WGPUTextureUsage allowedUsage, |
| uint32_t width, uint32_t height) { |
| return static_cast<T*>(userData)->Configure(format, allowedUsage, width, height); |
| }; |
| impl.GetNextTexture = [](void* userData, DawnSwapChainNextTexture* nextTexture) { |
| return static_cast<T*>(userData)->GetNextTexture(nextTexture); |
| }; |
| impl.Present = [](void* userData) { return static_cast<T*>(userData)->Present(); }; |
| return impl; |
| } |
| |
| #endif // SRC_DAWN_COMMON_SWAPCHAINUTILS_H_ |