/**
* 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 );
}
/**
* 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_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;
}
}
/*
** GLimp_EnableMultithreadedRendering
*/
void GLimp_EnableMultithreadedRendering( bool enable )
{
EGLSurface surface;
if( glw_state.multithreadedRendering == enable )
return;
glw_state.multithreadedRendering = enable;
if( enable )
{
surface = glw_state.mainThreadPbuffer;
}
else
{
if( glw_state.windowChanged )
{
glw_state.windowChanged = false;
GLimp_EGL_UpdateWindowSurface();
}
surface = ( glw_state.surface != EGL_NO_SURFACE ? glw_state.surface : glw_state.noWindowPbuffer );
}
qeglMakeCurrent( glw_state.display, surface, surface, glw_state.context );
}
/*
** 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_MakeCurrent
*/
bool GLimp_SharedContext_MakeCurrent( void *context, void *surface )
{
return qeglMakeCurrent( glw_state.display, surface, surface, context ) ? true : false;
}
/*
** GLimp_InitGL
*/
static bool GLimp_InitGL( void )
{
int format;
EGLConfig config;
const int contextAttribs[] = { EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE };
EGLSurface surface;
glw_state.display = qeglGetDisplay( EGL_DEFAULT_DISPLAY );
if( glw_state.display == EGL_NO_DISPLAY )
{
ri.Com_Printf( "GLimp_InitGL() - eglGetDisplay failed\n" );
return false;
}
if( !qeglInitialize( glw_state.display, NULL, NULL ) )
{
ri.Com_Printf( "GLimp_InitGL() - eglInitialize failed\n" );
return false;
}
GLimp_EGL_ChooseConfig();
if( !glw_state.config )
{
ri.Com_Printf( "GLimp_InitGL() - GLimp_EGL_ChooseConfig failed\n" );
return false;
}
if ( !qeglGetConfigAttrib( glw_state.display, glw_state.config, EGL_NATIVE_VISUAL_ID, &glw_state.format ) )
{
ri.Com_Printf( "GLimp_InitGL() - eglGetConfigAttrib failed\n" );
return false;
}
glw_state.mainThreadPbuffer = GLimp_EGL_CreatePbufferSurface();
if( glw_state.mainThreadPbuffer == EGL_NO_SURFACE )
{
ri.Com_Printf( "GLimp_InitGL() - GLimp_EGL_CreatePbufferSurface for mainThreadPbuffer failed\n" );
return false;
}
glw_state.noWindowPbuffer = GLimp_EGL_CreatePbufferSurface();
if( glw_state.noWindowPbuffer == EGL_NO_SURFACE )
{
ri.Com_Printf( "GLimp_InitGL() - GLimp_EGL_CreatePbufferSurface for noWindowPbuffer failed\n" );
return false;
}
glw_state.context = qeglCreateContext( glw_state.display, glw_state.config, EGL_NO_CONTEXT, contextAttribs );
if( glw_state.context == EGL_NO_CONTEXT )
{
ri.Com_Printf( "GLimp_InitGL() - eglCreateContext failed\n" );
return false;
}
glw_state.windowMutex = ri.Mutex_Create();
glw_state.swapInterval = 1; // Default swap interval for new surfaces
// GLimp_EGL_UpdateWindowSurface attaches the surface to the current context, so make one current to initialize
qeglMakeCurrent( glw_state.display, glw_state.noWindowPbuffer, glw_state.noWindowPbuffer, glw_state.context );
GLimp_EGL_UpdateWindowSurface();
return true;
}
