GLUSvoid GLUSAPIENTRY glusWindowDestroy(GLUSvoid)
{
glusEGLTerminate(&g_eglDisplay, &g_eglContext, &g_eglSurface);
_glusOsDestroyNativeWindowDisplay();
g_windowCreated = GLUS_FALSE;
g_initdone = GLUS_FALSE;
}
EGLBoolean GLUSAPIENTRY glusEGLCreateWindowSurfaceMakeCurrent(EGLNativeWindowType eglNativeWindowType, EGLDisplay* eglDisplay, EGLConfig* eglConfig, EGLContext* eglContext, EGLSurface* eglSurface)
{
EGLDisplay surface = EGL_NO_SURFACE;
if (!eglDisplay || !eglConfig || !eglContext || !eglSurface)
{
glusLogPrint(GLUS_LOG_ERROR, "No eglDisplay, eglConfig, eglContext or eglSurface passed");
return EGL_FALSE;
}
// Create a surface
surface = eglCreateWindowSurface(*eglDisplay, *eglConfig, (EGLNativeWindowType) eglNativeWindowType, 0);
if (surface == EGL_NO_SURFACE)
{
glusLogPrint(GLUS_LOG_ERROR, "Could not create EGL window surface");
glusEGLTerminate(eglDisplay, eglContext, 0);
return EGL_FALSE;
}
// Make the context current
if (!eglMakeCurrent(*eglDisplay, surface, surface, *eglContext))
{
glusLogPrint(GLUS_LOG_ERROR, "Could not set EGL context as current");
glusEGLTerminate(eglDisplay, eglContext, 0);
return EGL_FALSE;
}
*eglSurface = surface;
return EGL_TRUE;
}
EGLBoolean GLUSAPIENTRY glusEGLCreateContext(EGLNativeDisplayType eglNativeDisplayType, EGLDisplay* eglDisplay, EGLConfig* eglConfig, EGLContext *eglContext, const EGLint attribList[], const EGLint eglContextClientVersion)
{
EGLint numConfigs;
EGLint majorVersion;
EGLint minorVersion;
EGLDisplay display = EGL_NO_DISPLAY;
EGLConfig config = 0;
EGLDisplay context = EGL_NO_CONTEXT;
EGLint contextAttribs[] = { EGL_CONTEXT_CLIENT_VERSION, GLUS_DEFAULT_CLIENT_VERSION, EGL_NONE, EGL_NONE };
if (!eglDisplay || !eglConfig || !eglContext)
{
glusLogPrint(GLUS_LOG_ERROR, "No eglDisplay, eglConfig or eglContext passed");
return EGL_FALSE;
}
// Get Display
display = eglGetDisplay((EGLNativeDisplayType) eglNativeDisplayType);
if (display == EGL_NO_DISPLAY)
{
glusLogPrint(GLUS_LOG_ERROR, "Could not get EGL display");
return EGL_FALSE;
}
// Initialize EGL
if (!eglInitialize(display, &majorVersion, &minorVersion))
{
glusLogPrint(GLUS_LOG_ERROR, "Could not initialize EGL");
glusEGLTerminate(display, 0, 0);
return EGL_FALSE;
}
glusLogPrint(GLUS_LOG_INFO, "EGL version: %d.%d", majorVersion, minorVersion);
// Choose config
if (!eglChooseConfig(display, attribList, &config, 1, &numConfigs))
{
glusLogPrint(GLUS_LOG_ERROR, "Could not choose EGL configuration");
glusEGLTerminate(display, 0, 0);
return EGL_FALSE;
}
if (numConfigs == 0)
{
glusLogPrint(GLUS_LOG_ERROR, "Could no EGL configuration returned");
glusEGLTerminate(display, 0, 0);
return EGL_FALSE;
}
contextAttribs[1] = eglContextClientVersion;
// Create a GL ES context
context = eglCreateContext(display, config, EGL_NO_CONTEXT, contextAttribs);
if (context == EGL_NO_CONTEXT)
{
glusLogPrint(GLUS_LOG_ERROR, "Could not create EGL context. EGL context client version: %d", eglContextClientVersion);
glusEGLTerminate(eglDisplay, 0, 0);
return EGL_FALSE;
}
glusLogPrint(GLUS_LOG_INFO, "EGL context client version: %d", eglContextClientVersion);
*eglDisplay = display;
*eglConfig = config;
*eglContext = context;
return EGL_TRUE;
}
