/*
** GLimp_Shutdown
**
** This routine does all OS specific shutdown procedures for the OpenGL
** subsystem. The state structure is also nulled out.
**
*/
void GLimp_Shutdown( void )
{
if( glw_state.windowMutex )
ri.Mutex_Destroy( &glw_state.windowMutex );
if( glw_state.context != EGL_NO_CONTEXT )
{
qeglMakeCurrent( glw_state.display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT );
qeglDestroyContext( glw_state.display, glw_state.context );
glw_state.context = EGL_NO_CONTEXT;
}
if( glw_state.surface != EGL_NO_SURFACE )
{
qeglDestroySurface( glw_state.display, glw_state.surface );
glw_state.surface = EGL_NO_SURFACE;
}
if( glw_state.noWindowPbuffer != EGL_NO_SURFACE )
{
qeglDestroySurface( glw_state.display, glw_state.noWindowPbuffer );
glw_state.noWindowPbuffer = EGL_NO_SURFACE;
}
if( glw_state.mainThreadPbuffer != EGL_NO_SURFACE )
{
qeglDestroySurface( glw_state.display, glw_state.mainThreadPbuffer );
glw_state.mainThreadPbuffer = EGL_NO_SURFACE;
}
if( glw_state.display != EGL_NO_DISPLAY )
{
qeglTerminate( glw_state.display );
glw_state.display = EGL_NO_DISPLAY;
}
}
/**
* Recreates and selects the surface for the newly created window, or selects a dummy buffer when there's no window.
*/
static void GLimp_Android_UpdateWindowSurface( void )
{
ANativeWindow *window = glw_state.window;
if( glw_state.surface != EGL_NO_SURFACE )
{
qeglDestroySurface( glw_state.display, glw_state.surface );
glw_state.surface = EGL_NO_SURFACE;
}
if( !window )
{
qeglMakeCurrent( glw_state.display, glw_state.pbufferSurface, glw_state.pbufferSurface, glw_state.context );
return;
}
ANativeWindow_setBuffersGeometry( window, glConfig.width, glConfig.height, glw_state.format );
if( glConfig.stereoEnabled )
{
const char *extensions = qglGetGLWExtensionsString();
if( extensions && strstr( extensions, "EGL_EXT_multiview_window" ) )
{
int attribs[] = { EGL_MULTIVIEW_VIEW_COUNT_EXT, 2, EGL_NONE };
glw_state.surface = qeglCreateWindowSurface( glw_state.display, glw_state.config, glw_state.window, attribs );
}
}
if( glw_state.surface == EGL_NO_SURFACE ) // Try to create a non-stereo surface.
{
glConfig.stereoEnabled = false;
glw_state.surface = qeglCreateWindowSurface( glw_state.display, glw_state.config, glw_state.window, NULL );
}
if( glw_state.surface == EGL_NO_SURFACE )
{
ri.Com_Printf( "GLimp_Android_UpdateWindowSurface() - GLimp_Android_CreateWindowSurface failed\n" );
return;
}
if( !qeglMakeCurrent( glw_state.display, glw_state.surface, glw_state.surface, glw_state.context ) )
{
ri.Com_Printf( "GLimp_Android_UpdateWindowSurface() - eglMakeCurrent failed\n" );
qeglDestroySurface( glw_state.display, glw_state.surface );
glw_state.surface = EGL_NO_SURFACE;
return;
}
qeglSwapInterval( glw_state.display, glw_state.swapInterval );
}
/*
** GLimp_SharedContext_Create
*/
bool GLimp_SharedContext_Create( void **context, void **surface )
{
const int contextAttribs[] = { EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE };
EGLSurface pbuffer = EGL_NO_SURFACE;
EGLContext ctx;
if( surface )
{
pbuffer = GLimp_EGL_CreatePbufferSurface();
if( pbuffer == EGL_NO_SURFACE )
return false;
}
ctx = qeglCreateContext( glw_state.display, glw_state.config, glw_state.context, contextAttribs );
if( !ctx )
{
if( pbuffer != EGL_NO_SURFACE )
qeglDestroySurface( glw_state.display, pbuffer );
return false;
}
*context = ctx;
if( surface )
*surface = pbuffer;
return true;
}
/**
* Recreates and selects the surface for the newly created window, or selects a dummy buffer when there's no window.
*/
static void GLimp_EGL_UpdateWindowSurface( void )
{
EGLNativeWindowType window = glw_state.window;
EGLContext context = qeglGetCurrentContext();
if( context == EGL_NO_CONTEXT )
return;
if( glw_state.surface != EGL_NO_SURFACE )
{
qeglMakeCurrent( glw_state.display, glw_state.noWindowPbuffer, glw_state.noWindowPbuffer, context );
qeglDestroySurface( glw_state.display, glw_state.surface );
glw_state.surface = EGL_NO_SURFACE;
}
if( !window )
return;
#ifdef __ANDROID__
ANativeWindow_setBuffersGeometry( window, glConfig.width, glConfig.height, glw_state.format );
#endif
glw_state.surface = qeglCreateWindowSurface( glw_state.display, glw_state.config, window, NULL );
if( glw_state.surface == EGL_NO_SURFACE )
{
ri.Com_Printf( "GLimp_EGL_UpdateWindowSurface() - GLimp_EGL_CreateWindowSurface failed\n" );
return;
}
qeglMakeCurrent( glw_state.display, glw_state.surface, glw_state.surface, context );
qeglSwapInterval( glw_state.display, glw_state.swapInterval );
}
/*
** GLimp_Shutdown
**
** This routine does all OS specific shutdown procedures for the OpenGL
** subsystem. Under OpenGL this means NULLing out the current DC and
** HGLRC, deleting the rendering context, and releasing the DC acquired
** for the window. The state structure is also nulled out.
**
*/
void GLimp_Shutdown( void )
{
if( glw_state.context != EGL_NO_CONTEXT )
{
qeglMakeCurrent( glw_state.display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT );
qeglDestroyContext( glw_state.display, glw_state.context );
glw_state.context = EGL_NO_CONTEXT;
}
if( glw_state.surface != EGL_NO_SURFACE )
{
qeglDestroySurface( glw_state.display, glw_state.surface );
glw_state.surface = EGL_NO_SURFACE;
}
if( glw_state.pbufferSurface != EGL_NO_SURFACE )
{
qeglDestroySurface( glw_state.display, glw_state.pbufferSurface );
glw_state.surface = EGL_NO_SURFACE;
}
if( glw_state.display != EGL_NO_DISPLAY )
{
qeglTerminate( glw_state.display );
glw_state.display = EGL_NO_DISPLAY;
}
}
/*
** GLimp_SharedContext_Destroy
*/
void GLimp_SharedContext_Destroy( void *context, void *surface )
{
qeglDestroyContext( glw_state.display, context );
qeglDestroySurface( glw_state.display, surface );
}
