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// 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.
// OpenGLBackend.cpp: contains the definition of symbols exported by OpenGLBackend.h so that they
// can be compiled twice: once export (shared library), once not exported (static library)
#include "dawn_native/OpenGLBackend.h"
#include "common/SwapChainUtils.h"
#include "dawn_native/opengl/DeviceGL.h"
#include "dawn_native/opengl/NativeSwapChainImplGL.h"
namespace dawn_native { namespace opengl {
AdapterDiscoveryOptions::AdapterDiscoveryOptions()
: AdapterDiscoveryOptionsBase(WGPUBackendType_OpenGL) {
}
AdapterDiscoveryOptionsES::AdapterDiscoveryOptionsES()
: AdapterDiscoveryOptionsBase(WGPUBackendType_OpenGLES) {
}
DawnSwapChainImplementation CreateNativeSwapChainImpl(WGPUDevice device,
PresentCallback present,
void* presentUserdata) {
Device* backendDevice = reinterpret_cast<Device*>(device);
DawnSwapChainImplementation impl;
impl = CreateSwapChainImplementation(
new NativeSwapChainImpl(backendDevice, present, presentUserdata));
impl.textureUsage = WGPUTextureUsage_Present;
return impl;
}
WGPUTextureFormat GetNativeSwapChainPreferredFormat(
const DawnSwapChainImplementation* swapChain) {
NativeSwapChainImpl* impl = reinterpret_cast<NativeSwapChainImpl*>(swapChain->userData);
return static_cast<WGPUTextureFormat>(impl->GetPreferredFormat());
}
ExternalImageDescriptorEGLImage::ExternalImageDescriptorEGLImage()
: ExternalImageDescriptor(ExternalImageType::EGLImage) {
}
WGPUTexture WrapExternalEGLImage(WGPUDevice cDevice,
const ExternalImageDescriptorEGLImage* descriptor) {
Device* device = reinterpret_cast<Device*>(cDevice);
TextureBase* texture = device->CreateTextureWrappingEGLImage(descriptor, descriptor->image);
return reinterpret_cast<WGPUTexture>(texture);
}
}} // namespace dawn_native::opengl