axmol/core/platform/winrt/xaml/OpenGLES.h

/*
* cocos2d-x   https://axmolengine.github.io/
*
* Copyright (c) 2010-2014 - cocos2d-x community
* Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
* Copyright (c) 2019-present Axmol Engine contributors (see AUTHORS.md).
*
* Portions Copyright (c) Microsoft Open Technologies, Inc.
* All Rights Reserved
*
* 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.
*/

#pragma once

// OpenGL ES includes
#include <GLES3/gl3.h>

// EGL includes
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include <EGL/eglplatform.h>
#include <angle_windowsstore.h>

#include <winrt/Windows.Foundation.h>
#include <winrt/Windows.UI.Xaml.Controls.h>

using namespace winrt;

class OpenGLES
{
public:
    OpenGLES();
    ~OpenGLES();

    EGLSurface CreateSurface(Windows::UI::Xaml::Controls::SwapChainPanel const& panel, const Windows::Foundation::Size* renderSurfaceSize, const float* renderResolutionScale);
    void GetSurfaceDimensions(const EGLSurface surface, EGLint *width, EGLint *height);
    void DestroySurface(const EGLSurface surface);
    void MakeCurrent(const EGLSurface surface);
    EGLBoolean SwapBuffers(const EGLSurface surface);
    void Reset();
    void Cleanup();

private:
    void Initialize();

private:
    EGLDisplay mEglDisplay;
    EGLContext mEglContext;
    EGLConfig  mEglConfig;
};