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Improve fix for depth buffer initialisation on Linux

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git-svn-id: http://svn.berlios.de/svnroot/repos/oolite-linux/trunk@4933 127b21dd-08f5-0310-b4b7-95ae10353056
This commit is contained in:
Chris Morris 2012-05-13 16:54:58 +00:00
parent 2bf44d9a17
commit cbc582ad35
1 changed files with 13 additions and 2 deletions
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15
src/SDL/MyOpenGLView.m
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@ -105,6 +105,9 @@ MA 02110-1301, USA.
#else
// Changing the flags can trigger texture bugs.
surface = SDL_SetVideoMode(8, 8, 32, videoModeFlags);
if (!surface) {
return;
}
#endif
}
else
@ -113,7 +116,9 @@ MA 02110-1301, USA.
updateContext = YES;
#endif
surface = SDL_SetVideoMode(firstScreen.width, firstScreen.height, 32, videoModeFlags);
if (!surface) {
return;
}
// blank the surface / go to fullscreen
[self initialiseGLWithSize: firstScreen];
}
@ -228,16 +233,19 @@ MA 02110-1301, USA.
firstScreen= (fullScreen) ? [self modeAsSize: currentSize] : currentWindowSize;
viewSize = firstScreen; // viewSize must be set prior to splash screen initialization
OOLog(@"display.initGL",@"Trying 32-bit depth buffer");
[self createSurface];
if (surface == NULL)
{
// Retry with a 24-bit depth buffer
OOLog(@"display.initGL",@"Trying 24-bit depth buffer");
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24);
[self createSurface];
if (surface == NULL)
{
// Still not working? One last go...
// Retry, allowing 16-bit contexts.
OOLog(@"display.initGL",@"Trying 16-bit depth buffer");
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5);
@ -788,9 +796,12 @@ MA 02110-1301, USA.
videoModeFlags |= SDL_RESIZABLE;
surface = SDL_SetVideoMode((int)viewSize.width, (int)viewSize.height, 32, videoModeFlags);
}
if (!surface)
{
return; // fall back with a NULL surface to a different context
// we should always have a valid surface, but in case we don't
OOLogERR(@"display.mode.error",@"Unable to change display mode: %s",SDL_GetError());
exit(1);
}
bounds.size.width = surface->w;