stk-code_catmod/lib/irrlicht/source/Irrlicht/CContextEGL.h
2019-09-28 01:43:26 +02:00

134 lines
3.2 KiB
C++

// SuperTuxKart - a fun racing game with go-kart
// Copyright (C) 2016-2017 SuperTuxKart-Team
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 3
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#ifndef CONTEXT_EGL_HPP
#define CONTEXT_EGL_HPP
#include "IrrCompileConfig.h"
#if defined(_IRR_COMPILE_WITH_EGL_)
#include <EGL/egl.h>
#ifndef EGL_CONTEXT_MAJOR_VERSION
#define EGL_CONTEXT_MAJOR_VERSION 0x3098
#endif
#ifndef EGL_CONTEXT_MINOR_VERSION
#define EGL_CONTEXT_MINOR_VERSION 0x30FB
#endif
#ifndef EGL_GL_COLORSPACE
#define EGL_GL_COLORSPACE 0x309D
#endif
#ifndef EGL_GL_COLORSPACE_SRGB
#define EGL_GL_COLORSPACE_SRGB 0x3089
#endif
#ifndef EGL_GL_COLORSPACE_LINEAR
#define EGL_GL_COLORSPACE_LINEAR 0x308A
#endif
#ifndef EGL_PLATFORM_ANDROID
#define EGL_PLATFORM_ANDROID 0x3141
#endif
#ifndef EGL_PLATFORM_GBM
#define EGL_PLATFORM_GBM 0x31D7
#endif
#ifndef EGL_PLATFORM_WAYLAND
#define EGL_PLATFORM_WAYLAND 0x31D8
#endif
#ifndef EGL_PLATFORM_X11
#define EGL_PLATFORM_X11 0x31D5
#endif
enum ContextEGLOpenGLAPI
{
CEGL_API_OPENGL,
CEGL_API_OPENGL_ES
};
enum ContextEGLSurfaceType
{
CEGL_SURFACE_WINDOW,
CEGL_SURFACE_PBUFFER
};
enum ContextEGLPlatform
{
CEGL_PLATFORM_ANDROID,
CEGL_PLATFORM_GBM,
CEGL_PLATFORM_WAYLAND,
CEGL_PLATFORM_X11,
CEGL_PLATFORM_DEFAULT
};
struct ContextEGLParams
{
ContextEGLOpenGLAPI opengl_api;
ContextEGLSurfaceType surface_type;
ContextEGLPlatform platform;
EGLNativeWindowType window;
EGLNativeDisplayType display;
bool force_legacy_device;
bool handle_srgb;
bool with_alpha_channel;
int swap_interval;
int pbuffer_width;
int pbuffer_height;
};
class ContextManagerEGL
{
private:
EGLNativeWindowType m_egl_window;
EGLDisplay m_egl_display;
EGLSurface m_egl_surface;
EGLContext m_egl_context;
EGLConfig m_egl_config;
ContextEGLParams m_creation_params;
bool m_is_legacy_device;
bool m_initialized;
int m_egl_version;
typedef EGLDisplay (*eglGetPlatformDisplay_t) (EGLenum, void*, const EGLint*);
eglGetPlatformDisplay_t eglGetPlatformDisplay;
bool initExtensions();
bool initDisplay();
bool chooseConfig();
bool createSurface();
bool createContext();
bool hasEGLExtension(const char* extension);
bool checkEGLError();
public:
ContextManagerEGL();
~ContextManagerEGL();
bool init(const ContextEGLParams& params);
void close();
void reloadEGLSurface(void* window);
bool swapBuffers();
bool makeCurrent();
bool isLegacyDevice() {return m_is_legacy_device;}
bool getSurfaceDimensions(int* width, int* height);
};
#endif
#endif