int8_t EGL_Open() {
if ((g_Display = XOpenDisplay(NULL)) == NULL)
EGL_ERROR("Unable to get display!", false);
if ((g_eglDisplay = eglGetDisplay((NativeDisplayType)g_Display)) == EGL_NO_DISPLAY)
EGL_ERROR("Unable to create EGL display.", true);
if (eglInitialize(g_eglDisplay, NULL, NULL) != EGL_TRUE)
EGL_ERROR("Unable to initialize EGL display.", true);
return 0;
}
int8_t EGL_Init() {
EGLConfig g_eglConfig;
EGLint g_numConfigs = 0;
EGLint attrib_list[]= {
// TODO: Should cycle through fallbacks, like on Android
#ifdef USING_FBDEV
EGL_RED_SIZE, 5,
EGL_GREEN_SIZE, 6,
EGL_BLUE_SIZE, 5,
#endif
EGL_DEPTH_SIZE, 16,
EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
#ifdef USING_GLES2
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
#else
EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT,
#endif
EGL_SAMPLE_BUFFERS, 0,
EGL_SAMPLES, 0,
#ifdef MAEMO
EGL_BUFFER_SIZE, 16,
#endif
EGL_NONE};
const EGLint attributes[] = { EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE };
EGLBoolean result = eglChooseConfig(g_eglDisplay, attrib_list, &g_eglConfig, 1, &g_numConfigs);
if (result != EGL_TRUE || g_numConfigs == 0) EGL_ERROR("Unable to query for available configs.", true);
g_eglContext = eglCreateContext(g_eglDisplay, g_eglConfig, NULL, attributes );
if (g_eglContext == EGL_NO_CONTEXT) EGL_ERROR("Unable to create GLES context!", true);
#if !defined(USING_FBDEV)
//Get the SDL window handle
SDL_SysWMinfo sysInfo; //Will hold our Window information
SDL_VERSION(&sysInfo.version); //Set SDL version
#endif
#ifdef USING_FBDEV
g_Window = (NativeWindowType)NULL;
#else
g_Window = (NativeWindowType)sysInfo.info.x11.window;
#endif
g_eglSurface = eglCreateWindowSurface(g_eglDisplay, g_eglConfig, g_Window, 0);
if (g_eglSurface == EGL_NO_SURFACE)
EGL_ERROR("Unable to create EGL surface!", true);
if (eglMakeCurrent(g_eglDisplay, g_eglSurface, g_eglSurface, g_eglContext) != EGL_TRUE)
EGL_ERROR("Unable to make GLES context current.", true);
return 0;
}
int8_t EGL_Init() {
EGLConfig g_eglConfig; //[1] = {NULL};
EGLint g_numConfigs = 0;
EGLint attrib_list[]= {
#ifdef PANDORA
EGL_RED_SIZE, 5,
EGL_GREEN_SIZE, 6,
EGL_BLUE_SIZE, 5,
#endif
EGL_DEPTH_SIZE, 16,
EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
EGL_SAMPLE_BUFFERS, 0,
EGL_SAMPLES, 0,
#ifdef MAEMO
EGL_BUFFER_SIZE, 16,
#endif
EGL_NONE};
const EGLint attributes[] = { EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE };
EGLBoolean result = eglChooseConfig(g_eglDisplay, attrib_list, &g_eglConfig, 1, &g_numConfigs);
if (result != EGL_TRUE || g_numConfigs == 0) EGL_ERROR("Unable to query for available configs.", true);
g_eglContext = eglCreateContext(g_eglDisplay, g_eglConfig, NULL, attributes );
if (g_eglContext == EGL_NO_CONTEXT) EGL_ERROR("Unable to create GLES context!", true);
// Get the SDL window handle
SDL_SysWMinfo sysInfo; //Will hold our Window information
SDL_VERSION(&sysInfo.version); //Set SDL version
if(SDL_GetWMInfo(&sysInfo) <= 0)
{
printf("EGL ERROR: Unable to get SDL window handle: %s\n", SDL_GetError());
return 1;
}
#ifdef PANDORA
g_Window = (NativeWindowType)NULL;
#else
g_Window = (NativeWindowType)sysInfo.info.x11.window;
#endif
g_eglSurface = eglCreateWindowSurface(g_eglDisplay, g_eglConfig, g_Window, 0);
if (g_eglSurface == EGL_NO_SURFACE) EGL_ERROR("Unable to create EGL surface!", true);
if (eglMakeCurrent(g_eglDisplay, g_eglSurface, g_eglSurface, g_eglContext) != EGL_TRUE)
EGL_ERROR("Unable to make GLES context current.", true);
return 0;
}
