SuperTuxKart 1.5 upstream source (from official release tarball)

2026-06-11 20:04:02 +02:00
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+//  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