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glx: Allow depth-30 pbuffers to work without a depth-30 pixmap format

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The backing pixmap needs to be big enough to hold depth-30 rendering,
but the server doesn't necessarily have a depth-30 pixmap format. Just
round up to the 32bpp format you'd be using anyway.

Fixes: mesa/mesa#3527
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6764>
This commit is contained in:
Adam Jackson
2020-09-17 12:38:45 -04:00
parent a163cba1e3
commit d74fe47101
1 changed files with 5 additions and 1 deletions
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6
src/glx/glx_pbuffer.c
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@@ -558,6 +558,7 @@ CreatePbuffer(Display * dpy, struct glx_config *config,
unsigned int i;
Pixmap pixmap;
GLboolean glx_1_3 = GL_FALSE;
int depth = config->rgbBits;
if (priv == NULL)
return None;
@@ -622,8 +623,11 @@ CreatePbuffer(Display * dpy, struct glx_config *config,
UnlockDisplay(dpy);
SyncHandle();
if (depth == 30)
depth = 32;
pixmap = XCreatePixmap(dpy, RootWindow(dpy, config->screen),
width, height, config->rgbBits);
width, height, depth);
if (!CreateDRIDrawable(dpy, config, pixmap, id, attrib_list, i)) {
CARD32 o = glx_1_3 ? X_GLXDestroyPbuffer : X_GLXvop_DestroyGLXPbufferSGIX;