/*
* Copyright (C) 2023 Huawei Device Co., Ltd.
* 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 GLES_WGL_STATE_H
#define GLES_WGL_STATE_H
#if _WIN32
#include
#include
#include
#include
#include
RENDER_BEGIN_NAMESPACE()
class SwapchainGLES;
struct DeviceCreateInfo;
struct DevicePlatformData;
namespace GlesImplementation {
struct SurfaceInfo;
} // namespace GlesImplementation
namespace WGLHelpers {
class WGLState final {
public:
WGLState() = default;
~WGLState() = default;
void CreateContext(DeviceCreateInfo const& createInfo);
bool IsValid();
void GlInitialize();
void DestroyContext();
void SetSwapInterval(uint32_t interval);
const DevicePlatformData& GetPlatformData() const;
void SaveContext();
void SetContext(SwapchainGLES* swapChain);
void RestoreContext();
void* ErrorFilter() const;
bool HasExtension(BASE_NS::string_view) const;
bool GetSurfaceInformation(HDC surface, GlesImplementation::SurfaceInfo& res) const;
protected:
DevicePlatformDataGL plat_;
struct ContextState {
HGLRC context { nullptr };
HDC display { nullptr };
};
ContextState oldContext_;
ContextState dummyContext_;
bool vSync_ = false;
bool oldIsSet_ = false;
HMODULE glModule_ = NULL;
BASE_NS::string extensions_;
BASE_NS::vector extensionList_;
bool GetInformation(HDC surface, int32_t configId, GlesImplementation::SurfaceInfo& res) const;
int ChoosePixelFormat(HDC dc, const BASE_NS::vector& inattributes);
bool hasSRGBFB_, hasColorSpace_;
};
} // namespace WGLHelpers
RENDER_END_NAMESPACE()
#endif
#endif // GLES_WGL_STATE_H