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authorBrian Paul <[email protected]>2013-01-03 17:30:34 -0700
committerBrian Paul <[email protected]>2013-01-04 15:18:53 -0700
commitfe90762414ea3191143a82534e304871c1e311a8 (patch)
tree972a737b78657daf90d9a02b7efa1e169acc0b95 /src/gallium/state_trackers/glx/xlib
parentaed37cbee8efb59b2f1a6bc69adcbaecd9e4fa13 (diff)
st/glx: allow GLX_DONT_CARE for glXChooseFBConfig() attribute values
Fixes piglit glx-dont-care-mask test. Note: This is a candidate for the stable branches. Reviewed-by: Chad Versace <[email protected]>
Diffstat (limited to 'src/gallium/state_trackers/glx/xlib')
-rw-r--r--src/gallium/state_trackers/glx/xlib/glx_api.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/glx/xlib/glx_api.c b/src/gallium/state_trackers/glx/xlib/glx_api.c
index 8e3c6b89f24..20fae26a416 100644
--- a/src/gallium/state_trackers/glx/xlib/glx_api.c
+++ b/src/gallium/state_trackers/glx/xlib/glx_api.c
@@ -687,6 +687,20 @@ choose_visual( Display *dpy, int screen, const int *list, GLboolean fbConfig )
while (*parselist) {
+ if (fbConfig &&
+ parselist[1] == GLX_DONT_CARE &&
+ parselist[0] != GLX_LEVEL) {
+ /* For glXChooseFBConfig(), skip attributes whose value is
+ * GLX_DONT_CARE, unless it's GLX_LEVEL (which can legitimately be
+ * a negative value).
+ *
+ * From page 17 (23 of the pdf) of the GLX 1.4 spec:
+ * GLX DONT CARE may be specified for all attributes except GLX LEVEL.
+ */
+ parselist += 2;
+ continue;
+ }
+
switch (*parselist) {
case GLX_USE_GL:
if (fbConfig) {