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sdl2: Fallback resolution for gl fullscreen

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to avoid a crash
This commit is contained in:
Ronald Kinard 2014-07-26 00:56:30 -05:00
parent 3a1a0c8871
commit 87df25a58c
1 changed files with 44 additions and 6 deletions
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50
src/sdl2/i_video.c
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@ -140,6 +140,7 @@ SDL_Window *window;
SDL_Renderer *renderer;
static SDL_Texture *texture;
static SDL_bool havefocus = SDL_TRUE;
static const char *fallback_resolution_name = "Fallback";
// windowed video modes from which to choose from.
static INT32 windowedModes[MAXWINMODES][2] =
@ -172,6 +173,7 @@ static void Impl_SetWindowIcon(void);
static void SDLSetMode(INT32 width, INT32 height, SDL_bool fullscreen)
{
static SDL_bool wasfullscreen = SDL_FALSE;
static SDL_bool glfallbackresolution = SDL_FALSE;
Uint32 rmask;
Uint32 gmask;
Uint32 bmask;
@ -192,6 +194,7 @@ static void SDLSetMode(INT32 width, INT32 height, SDL_bool fullscreen)
else if (!fullscreen && wasfullscreen)
{
wasfullscreen = SDL_FALSE;
glfallbackresolution = SDL_FALSE;
SDL_SetWindowFullscreen(window, 0);
SDL_SetWindowSize(window, width, height);
SDL_SetWindowPosition(window, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED);
@ -221,10 +224,21 @@ static void SDLSetMode(INT32 width, INT32 height, SDL_bool fullscreen)
SDL_GetWindowSize(window, &sdlw, &sdlh);
// Logical fullscreen is not implemented yet for OpenGL, so...
// Special case handling
if (fullscreen && width != sdlw && height != sdlh)
if (glfallbackresolution == SDL_FALSE && fullscreen && width != sdlw && height != sdlh)
{
VID_SetMode(VID_GetModeForSize(sdlw, sdlh));
return;
if (VID_GetModeForSize(sdlw, sdlh) != -1)
{
wasfullscreen = SDL_TRUE;
VID_SetMode(VID_GetModeForSize(sdlw, sdlh));
return;
}
else
{
wasfullscreen = SDL_TRUE;
glfallbackresolution = SDL_TRUE;
VID_SetMode(-1);
return;
}
}
OglSdlSurface(vid.width, vid.height);
}
@ -1471,6 +1485,10 @@ const char *VID_GetModeName(INT32 modeNum)
else // windowed modes
{
#endif
if (modeNum == -1)
{
return fallback_resolution_name;
}
if (modeNum > MAXWINMODES)
return NULL;
@ -1632,12 +1650,32 @@ INT32 VID_SetMode(INT32 modeNum)
SDLdoUngrabMouse();
vid.recalc = 1;
vid.width = windowedModes[modeNum][0];
vid.height = windowedModes[modeNum][1];
vid.bpp = 1;
if (modeNum >= 0 && modeNum < MAXWINMODES-1)
{
vid.width = windowedModes[modeNum][0];
vid.height = windowedModes[modeNum][1];
vid.modenum = modeNum;
}
else
{
// just set the desktop resolution as a fallback
SDL_DisplayMode mode;
SDL_GetWindowDisplayMode(window, &mode);
if (mode.w >= 2048)
{
vid.width = 1920;
vid.height = 1200;
}
else
{
vid.width = mode.w;
vid.height = mode.h;
}
vid.modenum = -1;
}
Impl_SetWindowName("SRB2 "VERSIONSTRING);
vid.modenum = modeNum; //VID_GetModeForSize(vidSurface->w,vidSurface->h);
SDLSetMode(windowedModes[modeNum][0], windowedModes[modeNum][1], USE_FULLSCREEN);