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forked from rpms/mesa
mesa/mesa-7.1-fbconfig-fix.patch
Adam Jackson b978becd89 - mesa-7.1-visual-crash.patch: Fix a segfault if DRI unavailable.
- mesa-7.1-fbconfig-fix.patch: Fix fbconfig comparisons.
2008-04-09 14:49:49 +00:00

53 lines
2.0 KiB
Diff

From 2771862adcbc163c0a3f3eaaf4b58c658e72f680 Mon Sep 17 00:00:00 2001
From: Jie Luo <clotho67@gmail.com>
Date: Tue, 08 Apr 2008 23:17:06 +0000
Subject: Handle fbconfig comparison correctly for attributes the X server didn't send.
---
diff --git a/src/glx/x11/dri_glx.c b/src/glx/x11/dri_glx.c
index fd10047..70873c2 100644
--- a/src/glx/x11/dri_glx.c
+++ b/src/glx/x11/dri_glx.c
@@ -520,13 +520,13 @@ static const struct { unsigned int attrib, offset; } attribMap[] = {
static int
scalarEqual(__GLcontextModes *mode, unsigned int attrib, unsigned int value)
{
- unsigned int driValue;
+ unsigned int glxValue;
int i;
for (i = 0; i < ARRAY_SIZE(attribMap); i++)
if (attribMap[i].attrib == attrib) {
- driValue = *(unsigned int *) ((char *) mode + attribMap[i].offset);
- return driValue == value;
+ glxValue = *(unsigned int *) ((char *) mode + attribMap[i].offset);
+ return glxValue == GLX_DONT_CARE || glxValue == value;
}
return GL_TRUE; /* Is a non-existing attribute equal to value? */
@@ -572,7 +572,8 @@ driConfigEqual(const __DRIcoreExtension *core,
glxValue |= GLX_TEXTURE_2D_BIT_EXT;
if (value & __DRI_ATTRIB_TEXTURE_RECTANGLE_BIT)
glxValue |= GLX_TEXTURE_RECTANGLE_BIT_EXT;
- if (glxValue != modes->bindToTextureTargets)
+ if (modes->bindToTextureTargets != GLX_DONT_CARE &&
+ glxValue != modes->bindToTextureTargets)
return GL_FALSE;
break;
diff --git a/src/glx/x11/glcontextmodes.c b/src/glx/x11/glcontextmodes.c
index 58c548a..2a8e48d 100644
--- a/src/glx/x11/glcontextmodes.c
+++ b/src/glx/x11/glcontextmodes.c
@@ -415,7 +415,7 @@ _gl_context_modes_create( unsigned count, size_t minimum_size )
(*next)->bindToTextureRgb = GLX_DONT_CARE;
(*next)->bindToTextureRgba = GLX_DONT_CARE;
(*next)->bindToMipmapTexture = GLX_DONT_CARE;
- (*next)->bindToTextureTargets = 0;
+ (*next)->bindToTextureTargets = GLX_DONT_CARE;
(*next)->yInverted = GLX_DONT_CARE;
next = & ((*next)->next);
--
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