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// Copyright 2008 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <array>
#include <memory>
#include <string>
#include <utility>
#include "Common/CommonTypes.h"
#include "Common/WindowSystemInfo.h"
class GLContext
{
public:
enum class Mode
{
Detect,
OpenGL,
OpenGLES
};
virtual ~GLContext();
Mode GetMode() const { return m_opengl_mode; }
bool IsGLES() const { return m_opengl_mode == Mode::OpenGLES; }
u32 GetBackBufferWidth() const { return m_backbuffer_width; }
u32 GetBackBufferHeight() const { return m_backbuffer_height; }
virtual bool IsHeadless() const;
virtual std::unique_ptr<GLContext> CreateSharedContext();
virtual bool MakeCurrent();
virtual bool ClearCurrent();
virtual void Update();
virtual void UpdateSurface(void* window_handle);
virtual void Swap();
virtual void SwapInterval(int interval);
virtual void* GetFuncAddress(const std::string& name);
// Creates an instance of GLContext specific to the platform we are running on.
// If successful, the context is made current on the calling thread.
static std::unique_ptr<GLContext> Create(const WindowSystemInfo& wsi, bool stereo = false,
bool core = true, bool prefer_egl = false,
bool prefer_gles = false);
protected:
virtual bool Initialize(const WindowSystemInfo& wsi, bool stereo, bool core);
Mode m_opengl_mode = Mode::Detect;
// Window dimensions.
u32 m_backbuffer_width = 0;
u32 m_backbuffer_height = 0;
bool m_is_shared = false;
// A list of desktop OpenGL versions to attempt to create a context for.
// (4.6-3.2, geometry shaders is a minimum requirement since we're using core profile).
static const std::array<std::pair<int, int>, 9> s_desktop_opengl_versions;
};
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