1 // Copyright 2019 The Dawn Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 // OpenGLBackend.cpp: contains the definition of symbols exported by OpenGLBackend.h so that they 16 // can be compiled twice: once export (shared library), once not exported (static library) 17 18 #include "dawn_native/OpenGLBackend.h" 19 20 #include "common/SwapChainUtils.h" 21 #include "dawn_native/opengl/DeviceGL.h" 22 #include "dawn_native/opengl/NativeSwapChainImplGL.h" 23 24 namespace dawn_native { namespace opengl { 25 AdapterDiscoveryOptions()26 AdapterDiscoveryOptions::AdapterDiscoveryOptions() 27 : AdapterDiscoveryOptionsBase(WGPUBackendType_OpenGL) { 28 } 29 AdapterDiscoveryOptionsES()30 AdapterDiscoveryOptionsES::AdapterDiscoveryOptionsES() 31 : AdapterDiscoveryOptionsBase(WGPUBackendType_OpenGLES) { 32 } 33 CreateNativeSwapChainImpl(WGPUDevice device,PresentCallback present,void * presentUserdata)34 DawnSwapChainImplementation CreateNativeSwapChainImpl(WGPUDevice device, 35 PresentCallback present, 36 void* presentUserdata) { 37 Device* backendDevice = ToBackend(FromAPI(device)); 38 39 DawnSwapChainImplementation impl; 40 impl = CreateSwapChainImplementation( 41 new NativeSwapChainImpl(backendDevice, present, presentUserdata)); 42 impl.textureUsage = WGPUTextureUsage_Present; 43 44 return impl; 45 } 46 GetNativeSwapChainPreferredFormat(const DawnSwapChainImplementation * swapChain)47 WGPUTextureFormat GetNativeSwapChainPreferredFormat( 48 const DawnSwapChainImplementation* swapChain) { 49 NativeSwapChainImpl* impl = reinterpret_cast<NativeSwapChainImpl*>(swapChain->userData); 50 return static_cast<WGPUTextureFormat>(impl->GetPreferredFormat()); 51 } 52 ExternalImageDescriptorEGLImage()53 ExternalImageDescriptorEGLImage::ExternalImageDescriptorEGLImage() 54 : ExternalImageDescriptor(ExternalImageType::EGLImage) { 55 } 56 WrapExternalEGLImage(WGPUDevice device,const ExternalImageDescriptorEGLImage * descriptor)57 WGPUTexture WrapExternalEGLImage(WGPUDevice device, 58 const ExternalImageDescriptorEGLImage* descriptor) { 59 Device* backendDevice = ToBackend(FromAPI(device)); 60 TextureBase* texture = 61 backendDevice->CreateTextureWrappingEGLImage(descriptor, descriptor->image); 62 return ToAPI(texture); 63 } 64 65 }} // namespace dawn_native::opengl 66