Make sure SDL_Init() was called before SDL_VideoInfo()

by adding GLimp_PreInit()
This commit is contained in:
Daniel Gibson 2012-12-14 00:51:22 +01:00
parent ebbb98c9bd
commit 67d6a5a1fa
4 changed files with 38 additions and 6 deletions

View file

@ -870,6 +870,10 @@ void R_InitOpenGL()
common->FatalError( "R_InitOpenGL called while active" );
}
// DG: make sure SDL has setup video so getting supported modes in R_SetNewMode() works
GLimp_PreInit();
// DG end
R_SetNewMode( true );

View file

@ -1052,6 +1052,10 @@ struct glimpParms_t
int multiSamples;
};
// DG: R_GetModeListForDisplay is called before GLimp_Init(), but SDL needs SDL_Init() first.
// So add PreInit for platforms that need it, others can just stub it.
void GLimp_PreInit();
bool GLimp_Init( glimpParms_t parms );
// If the desired mode can't be set satisfactorily, false will be returned.
// If succesful, sets glConfig.nativeScreenWidth, glConfig.nativeScreenHeight, and glConfig.pixelAspect

View file

@ -53,6 +53,25 @@ static SDL_Surface* window = NULL;
bool QGL_Init( const char* dllname );
void QGL_Shutdown();
/*
===================
GLimp_PreInit
R_GetModeListForDisplay is called before GLimp_Init(), but SDL needs SDL_Init() first.
So do that in GLimp_PreInit()
Calling that function more than once doesn't make a difference
===================
*/
void GLimp_PreInit() // DG: added this function for SDL compatibility
{
if( !SDL_WasInit( SDL_INIT_VIDEO ) )
{
if( SDL_Init( SDL_INIT_VIDEO ) )
common->Error( "Error while initializing SDL: %s", SDL_GetError() );
}
}
/*
===================
GLimp_Init
@ -62,11 +81,7 @@ bool GLimp_Init( glimpParms_t parms )
{
common->Printf( "Initializing OpenGL subsystem\n" );
if( !SDL_WasInit( SDL_INIT_VIDEO ) )
{
if( SDL_Init( SDL_INIT_VIDEO ) )
common->Error( "Error while initializing SDL: %s", SDL_GetError() );
}
GLimp_PreInit(); // DG: make sure SDL is initialized
Uint32 flags = SDL_WINDOW_OPENGL;
@ -376,8 +391,13 @@ bool R_GetModeListForDisplay( const int requestedDisplayNum, idList<vidMode_t>&
modeList.Clear();
bool verbose = false;
const SDL_VideoInfo* videoInfo = SDL_GetVideoInfo();
if( videoInfo == NULL )
{
// DG: yes, this can actually fail, e.g. if SDL_Init( SDL_INIT_VIDEO ) wasn't called
common->Error( "Can't get Video Info!\n" );
}
SDL_Rect** modes = SDL_ListModes( videoInfo->vfmt, SDL_OPENGL | SDL_FULLSCREEN );

View file

@ -1253,6 +1253,10 @@ static bool GLW_ChangeDislaySettingsIfNeeded( glimpParms_t parms )
return false;
}
void GLimp_PreInit() {
// DG: not needed on this platform, so just do nothing
}
/*
===================
GLimp_Init