/*
===============
GLimp_RendererSleep
===============
*/
void *GLimp_RendererSleep( void )
{
void *data = NULL;
GLimp_SetCurrentContext(NULL);
SDL_LockMutex(smpMutex);
{
smpData = NULL;
smpDataReady = qfalse;
// after this, the front end can exit GLimp_FrontEndSleep
SDL_CondSignal(renderCompletedEvent);
while ( !smpDataReady )
SDL_CondWait(renderCommandsEvent, smpMutex);
data = (void *)smpData;
}
SDL_UnlockMutex(smpMutex);
GLimp_SetCurrentContext(opengl_context);
return data;
}
/*
===============
GLimp_RendererSleep
===============
*/
void *GLimp_RendererSleep()
{
void *data = nullptr;
GLimp_SetCurrentContext( false );
SDL_LockMutex( smpMutex );
{
smpData = nullptr;
smpDataReady = false;
// after this, the front end can exit GLimp_FrontEndSleep
SDL_CondSignal( renderCompletedEvent );
while ( !smpDataReady )
{
SDL_CondWait( renderCommandsEvent, smpMutex );
}
data = ( void * ) smpData;
}
SDL_UnlockMutex( smpMutex );
GLimp_SetCurrentContext( true );
return data;
}
/*
===============
GLimp_FrontEndSleep
===============
*/
void GLimp_FrontEndSleep( void )
{
SDL_LockMutex(smpMutex);
{
while ( smpData )
SDL_CondWait(renderCompletedEvent, smpMutex);
}
SDL_UnlockMutex(smpMutex);
GLimp_SetCurrentContext(opengl_context);
}
/*
===============
GLimp_RenderThreadWrapper
===============
*/
static int GLimp_RenderThreadWrapper( void *arg )
{
Com_Printf( "Render thread starting\n" );
glimpRenderThread();
GLimp_SetCurrentContext(NULL);
Com_Printf( "Render thread terminating\n" );
return 0;
}
/*
===============
GLimp_RenderThreadWrapper
===============
*/
static int GLimp_RenderThreadWrapper(void* arg) {
// These printfs cause race conditions which mess up the console output
Com_Printf("Render thread starting\n");
renderThreadFunction();
GLimp_SetCurrentContext(false);
Com_Printf("Render thread terminating\n");
return 0;
}
/*
===============
GLimp_WakeRenderer
===============
*/
void GLimp_WakeRenderer(void* data) {
GLimp_SetCurrentContext(false);
SDL_LockMutex(smpMutex);
{
assert(smpData == nullptr);
smpData = data;
smpDataReady = true;
// after this, the renderer can continue through GLimp_RendererSleep
SDL_CondSignal(renderCommandsEvent);
}
SDL_UnlockMutex(smpMutex);
}
/*
===============
GLimp_SyncRenderThread
===============
*/
void GLimp_SyncRenderThread()
{
GLimp_FrontEndSleep();
GLimp_SetCurrentContext( true );
}
