diff options
Diffstat (limited to 'GL/glx/glxscreens.c')
-rw-r--r-- | GL/glx/glxscreens.c | 103 |
1 files changed, 14 insertions, 89 deletions
diff --git a/GL/glx/glxscreens.c b/GL/glx/glxscreens.c index f78b4a284..6ddbfcbd0 100644 --- a/GL/glx/glxscreens.c +++ b/GL/glx/glxscreens.c @@ -133,104 +133,34 @@ static char GLXServerExtensions[] = "GLX_EXT_visual_info " "GLX_EXT_visual_rating " "GLX_EXT_import_context " + "GLX_OML_swap_method " "GLX_SGI_make_current_read " #ifndef __DARWIN__ "GLX_SGIS_multisample " #endif + "GLX_SGIX_fbconfig " ; /* -** This comes from the GL library that the server will link with. Right -** now, that is the DDX Sample OpenGL. -*/ -extern __GLXscreenInfo __glDDXScreenInfo; - -__GLXscreenInfo *__glXScreens[] = { - &__glDDXScreenInfo, + * __glDDXScreenInfo comes from GLcore, so we can't resolve this symbol at + * module open time. Leave a placeholder, and fill this in when we first + * need it (in __glXScreenInit). XXX Why make this an array? + */ +static __GLXscreenInfo *__glXScreens[] = { + NULL /* &__glDDXScreenInfo */ , }; -GLint __glXNumStaticScreens = (sizeof __glXScreens / sizeof __glXScreens[0]); +static GLint __glXNumStaticScreens = + (sizeof __glXScreens / sizeof __glXScreens[0]); __GLXscreenInfo *__glXActiveScreens; GLint __glXNumActiveScreens; RESTYPE __glXDrawableRes; -#if 0 -static int -CountBits(unsigned long mask) -{ - int count = 0; - - while(mask) { - count += (mask&1); - mask >>= 1; - } - - return count; +__GLXscreenInfo *__glXgetActiveScreen(int num) { + return &__glXActiveScreens[num]; } -#endif - -#if 0 -/* -** A typical implementation would not probably not run through the screen's -** visuals to find ones that match the visual configs supplied by the DDX -** Sample OpenGL as we do here; we have done this to make this code easy to -** drop into an existing X server. -*/ -static int matchVisuals(__GLXvisualConfig *pGlxVisual, int numVisuals, - int screen) -{ - int i, j; - __GLXvisualConfig *pvis = pGlxVisual; - ScreenPtr pScreen = screenInfo.screens[screen]; - VisualPtr pVisual; - int numMatchingVisuals = 0; - int *used; - - used = (int *)__glXMalloc(pScreen->numVisuals*sizeof(int)); - __glXMemset(used, 0, pScreen->numVisuals*sizeof(int)); - - for (i=0; i < numVisuals; i++, pvis++) { - /* - ** Look through all the server's visuals to see which match. - */ - pvis->vid = 0; - pVisual = pScreen->visuals; - for (j=0; j < pScreen->numVisuals; j++, pVisual++) { - if (pvis->class == pVisual->class && - pvis->bufferSize == pVisual->nplanes && - !used[j]) { - int rBits, gBits, bBits, aBits; - - /* count bits per rgb */ - rBits = CountBits(pVisual->redMask); - gBits = CountBits(pVisual->greenMask); - bBits = CountBits(pVisual->blueMask); - aBits = 0; - if ((pvis->redSize == rBits) && - (pvis->greenSize == gBits) && - (pvis->blueSize == bBits) && - (pvis->alphaSize == aBits)) { - /* - ** We'll consider this a match. - */ - pvis->vid = pVisual->vid; - pvis->redMask = pVisual->redMask; - pvis->greenMask = pVisual->greenMask; - pvis->blueMask = pVisual->blueMask; - pvis->alphaMask = 0; - numMatchingVisuals++; - used[j] = 1; - break; - } - } - } - } - __glXFree(used); - return numMatchingVisuals; -} -#endif /* ** Destroy routine that gets called when a drawable is freed. A drawable @@ -346,6 +276,8 @@ void __glXScreenInit(GLint numscreens) { GLint i,j; + __glXScreens[0] = __glXglDDXScreenInfo(); /* from GLcore */ + /* ** This alloc has to work or else the server might as well core dump. */ @@ -360,14 +292,7 @@ void __glXScreenInit(GLint numscreens) if ((*__glXScreens[j]->screenProbe)(i)) { __glXActiveScreens[i] = *__glXScreens[j]; -#if 0 - /* we don't use this since matchVisuals doesn't allow alpha */ - __glXActiveScreens[i].numUsableVisuals = - matchVisuals(__glXActiveScreens[i].pGlxVisual, - __glXActiveScreens[i].numVisuals, i); -#else __glXActiveScreens[i].numUsableVisuals = __glXActiveScreens[i].numVisuals; -#endif __glXActiveScreens[i].GLextensions = __glXStrdup(GLServerExtensions); __glXActiveScreens[i].GLXvendor = __glXStrdup(GLXServerVendorName); __glXActiveScreens[i].GLXversion = __glXStrdup(GLXServerVersion); |