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Detect and warn about buggy versions of libXrender.

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This commit is contained in:
Huw D M Davies 2002-05-04 18:25:43 +00:00 committed by Alexandre Julliard
parent 5cab46ee58
commit d3cbb2ed76
1 changed files with 15 additions and 1 deletions
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16
dlls/x11drv/xrender.c
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@ -138,6 +138,15 @@ LOAD_FUNCPTR(XRenderQueryExtension)
X11DRV_XRender_Installed = TRUE;
TRACE("Xrender is up and running error_base = %d\n", error_base);
screen_format = pXRenderFindVisualFormat(gdi_display, visual);
if(!screen_format) { /* This fails in buggy versions of libXrender.so */
wine_tsx11_unlock();
WINE_MESSAGE(
"Wine has detected that you probably have a buggy version\n"
"of libXrender.so . Because of this client side font rendering\n"
"will be disabled. Please upgrade this library.\n");
X11DRV_XRender_Installed = FALSE;
return;
}
pf.type = PictTypeDirect;
pf.depth = 1;
pf.direct.alpha = 0;
@ -145,7 +154,12 @@ LOAD_FUNCPTR(XRenderQueryExtension)
mono_format = pXRenderFindFormat(gdi_display, PictFormatType |
PictFormatDepth | PictFormatAlpha |
PictFormatAlphaMask, &pf, 0);
if(!mono_format) {
wine_tsx11_unlock();
ERR("mono_format == NULL?\n");
X11DRV_XRender_Installed = FALSE;
return;
}
glyphsetCache = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
sizeof(*glyphsetCache) * INIT_CACHE_SIZE);