ppsspp/Common/GL/GLInterfaceBase.h

// Copyright 2008 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.

#pragma once

#include <string>

#include "Common/CommonTypes.h"

enum GLInterfaceMode {
	MODE_DETECT = 0,
	MODE_DETECT_ES,
	MODE_OPENGL,
	MODE_OPENGLES2,
	MODE_OPENGLES3,
};

class cInterfaceBase {
protected:
	// Window dimensions.
	u32 s_backbuffer_width;
	u32 s_backbuffer_height;

	u32 s_opengl_mode;
public:
	cInterfaceBase() : s_backbuffer_width(0), s_backbuffer_height(0), s_opengl_mode(MODE_DETECT) {}
	virtual ~cInterfaceBase() {}
	virtual void Swap() {}
	virtual void SetMode(u32 mode) { s_opengl_mode = GLInterfaceMode::MODE_OPENGL; }
	virtual u32 GetMode() { return s_opengl_mode; }
	virtual void* GetFuncAddress(const std::string& name) { return nullptr; }
	virtual bool Create(void *window_handle, bool core = true, bool use16bit = false) = 0;
	virtual bool MakeCurrent() { return true; }
	virtual bool ClearCurrent() { return true; }
	virtual void Shutdown() {}

	virtual void SwapInterval(int Interval) { }
	virtual u32 GetBackBufferWidth() { return s_backbuffer_width; }
	virtual u32 GetBackBufferHeight() { return s_backbuffer_height; }

	virtual void OverrideBackbufferDimensions(int w, int h) = 0;

	virtual void SetBackBufferDimensions(u32 W, u32 H) {s_backbuffer_width = W; s_backbuffer_height = H; }
	virtual void Update() { }
	virtual bool PeekMessages() { return false; }
};


cInterfaceBase* HostGL_CreateGLInterface();