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Bug fix #124: GLX: Missing check on FBConfig X visual depth 

- Check FBConfig X visual depth, like Compiz, to fix issues with
  nvidia-drivers-325.08 . Thanks to guotsuan for reporting.
This commit is contained in:
Richard Grenville 2013-07-05 23:21:05 +08:00
parent b26bbc0099
commit b1e0ef8ecd
1 changed files with 22 additions and 6 deletions
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26
src/opengl.c
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@ -383,18 +383,31 @@ glx_update_fbconfig(session_t *ps) {
.texture_tgts = 0,
.y_inverted = false,
};
int id = (int) (pcur - pfbcfgs);
int depth = 0, depth_alpha = 0, val = 0;
if (Success != glXGetFBConfigAttrib(ps->dpy, *pcur, GLX_BUFFER_SIZE, &depth)
|| Success != glXGetFBConfigAttrib(ps->dpy, *pcur, GLX_ALPHA_SIZE, &depth_alpha)) {
printf_errf("(): Failed to retrieve buffer size and alpha size of FBConfig %d.", (int) (pcur - pfbcfgs));
printf_errf("(): Failed to retrieve buffer size and alpha size of FBConfig %d.", id);
continue;
}
if (Success != glXGetFBConfigAttrib(ps->dpy, *pcur, GLX_BIND_TO_TEXTURE_TARGETS_EXT, &fbinfo.texture_tgts)) {
printf_errf("(): Failed to retrieve BIND_TO_TEXTURE_TARGETS_EXT of FBConfig %d.", (int) (pcur - pfbcfgs));
printf_errf("(): Failed to retrieve BIND_TO_TEXTURE_TARGETS_EXT of FBConfig %d.", id);
continue;
}
int visualdepth = 0;
{
XVisualInfo *pvi = glXGetVisualFromFBConfig(ps->dpy, *pcur);
if (!pvi) {
// On nvidia-drivers-325.08 this happens slightly too often...
// printf_errf("(): Failed to retrieve X Visual of FBConfig %d.", id);
continue;
}
visualdepth = pvi->depth;
cxfree(pvi);
}
bool rgb = false;
bool rgba = false;
@ -407,12 +420,15 @@ glx_update_fbconfig(session_t *ps) {
if (Success == glXGetFBConfigAttrib(ps->dpy, *pcur, GLX_Y_INVERTED_EXT, &val))
fbinfo.y_inverted = val;
if ((depth - depth_alpha) < 32 && rgb) {
{
int tgtdpt = depth - depth_alpha;
if (tgtdpt == visualdepth && tgtdpt < 32 && rgb) {
fbinfo.texture_fmt = GLX_TEXTURE_FORMAT_RGB_EXT;
glx_update_fbconfig_bydepth(ps, depth - depth_alpha, &fbinfo);
glx_update_fbconfig_bydepth(ps, tgtdpt, &fbinfo);
}
}
if (rgba) {
if (depth == visualdepth && rgba) {
fbinfo.texture_fmt = GLX_TEXTURE_FORMAT_RGBA_EXT;
glx_update_fbconfig_bydepth(ps, depth, &fbinfo);
}