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authorAdam Jackson <ajax@freedesktop.org>2004-10-27 17:50:09 +0000
committerAdam Jackson <ajax@freedesktop.org>2004-10-27 17:50:09 +0000
commit3291de6d06ea4d51f3aeef2936c726064b9648ab (patch)
tree5b8968fd8a1f2e2dfc78bedbf70e30f603d4e987 /src/mesa
parentb28031d57e27c37e47e244157cd59409cd51c269 (diff)
Bug #1713: Some rare libGL's have __glXFindDRIScreen defined but do not
export it via glXGetProcAddress. These are not supported anymore, so print an error message to that effect.
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/drivers/dri/common/dri_util.c32
1 files changed, 26 insertions, 6 deletions
diff --git a/src/mesa/drivers/dri/common/dri_util.c b/src/mesa/drivers/dri/common/dri_util.c
index dd83080cca..a9faaa24ef 100644
--- a/src/mesa/drivers/dri/common/dri_util.c
+++ b/src/mesa/drivers/dri/common/dri_util.c
@@ -141,6 +141,26 @@ __driUtilMessage(const char *f, ...)
}
}
+/*
+ * fd.o bug #1713: Some rare libGL's have __glXFindDRIScreen defined but do not
+ * export it via glXGetProcAddress. These are not supported anymore, so print
+ * an error message to that effect. - ajax 2004-10-26
+ */
+typedef __DRIscreen *(*PFNGLXFINDDRISCREEN)(__DRInativeDisplay *, int);
+
+static __DRIscreen *glx_find_dri_screen(__DRInativeDisplay *d, int i)
+{
+ PFNGLXFINDDRISCREEN findscreen =
+ (PFNGLXFINDDRISCREEN)glXGetProcAddress("__glXFindDRIScreen");
+
+ if (!findscreen)
+ {
+ __driUtilMessage("glXGetProcAddress(\"__glXFindDRIScreen\") failed!");
+ __driUtilMessage("Your libGL is too old, please upgrade.");
+ return NULL;
+ }
+ else return findscreen(d, i);
+}
/*****************************************************************/
/** \name Visual utility functions */
@@ -353,7 +373,7 @@ static GLboolean driUnbindContext3(__DRInativeDisplay *dpy, int scrn,
return GL_FALSE;
}
- pDRIScreen = __glXFindDRIScreen(dpy, scrn);
+ pDRIScreen = glx_find_dri_screen(dpy, scrn);
if ( (pDRIScreen == NULL) || (pDRIScreen->private == NULL) ) {
/* ERROR!!! */
return GL_FALSE;
@@ -529,7 +549,7 @@ static GLboolean driBindContext3(__DRInativeDisplay *dpy, int scrn,
return GL_FALSE;
}
- pDRIScreen = __glXFindDRIScreen(dpy, scrn);
+ pDRIScreen = glx_find_dri_screen(dpy, scrn);
if ( (pDRIScreen == NULL) || (pDRIScreen->private == NULL) ) {
/* ERROR!!! */
return GL_FALSE;
@@ -563,7 +583,7 @@ static GLboolean driBindContext2(Display *dpy, int scrn,
return GL_FALSE;
}
- pDRIScreen = __glXFindDRIScreen(dpy, scrn);
+ pDRIScreen = glx_find_dri_screen(dpy, scrn);
modes = (driCompareGLXAPIVersion( 20040317 ) >= 0)
? gc->driContext.mode
: findConfigMode( dpy, scrn, gc->vid, pDRIScreen );
@@ -793,7 +813,7 @@ static void *driCreateNewDrawable(__DRInativeDisplay *dpy,
int renderType,
const int *attrs)
{
- __DRIscreen * const pDRIScreen = __glXFindDRIScreen(dpy, modes->screen);
+ __DRIscreen * const pDRIScreen = glx_find_dri_screen(dpy, modes->screen);
__DRIscreenPrivate *psp;
__DRIdrawablePrivate *pdp;
@@ -988,7 +1008,7 @@ driCreateNewContext(__DRInativeDisplay *dpy, const __GLcontextModes *modes,
__DRIscreenPrivate *psp;
void * const shareCtx = (pshare != NULL) ? pshare->driverPrivate : NULL;
- pDRIScreen = __glXFindDRIScreen(dpy, modes->screen);
+ pDRIScreen = glx_find_dri_screen(dpy, modes->screen);
if ( (pDRIScreen == NULL) || (pDRIScreen->private == NULL) ) {
/* ERROR!!! */
return NULL;
@@ -1088,7 +1108,7 @@ static void *driCreateContext(Display *dpy, XVisualInfo *vis,
__DRIscreen *pDRIScreen;
const __GLcontextModes *modes;
- pDRIScreen = __glXFindDRIScreen(dpy, vis->screen);
+ pDRIScreen = glx_find_dri_screen(dpy, vis->screen);
if ( (pDRIScreen == NULL) || (pDRIScreen->private == NULL) ) {
/* ERROR!!! */
return NULL;