From 692654b4300e61a9481e6fa588bcb44a3c3ca150 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kristian=20H=C3=B8gsberg?= <krh@redhat.com>
Date: Mon, 29 Oct 2007 18:13:58 -0400
Subject: [PATCH] Set up visuals for the existing X visuals.

This makes the root visual a GLX capable visual again and adds a GLX visual
for the COMPOSITE ARGB visual cleanly (as opposed to the hack we had before).
---
 GL/glx/glxscreens.c            | 61 +++++++++++++++++++++++-----------
 hw/xfree86/common/xf86Config.c |  2 +-
 hw/xfree86/dri/xf86dri.c       |  2 --
 3 files changed, 43 insertions(+), 22 deletions(-)

diff --git a/GL/glx/glxscreens.c b/GL/glx/glxscreens.c
index 31514002b..d6002532d 100644
--- a/GL/glx/glxscreens.c
+++ b/GL/glx/glxscreens.c
@@ -396,38 +396,61 @@ initGlxVisual(VisualPtr visual, __GLcontextModes *config)
     visual->offsetBlue = findFirstSet(config->blueMask);
 }
 
+typedef struct {
+    GLboolean doubleBuffer;
+    GLboolean depthBuffer;
+} FBConfigTemplateRec, *FBConfigTemplatePtr;
+
+static __GLcontextModes *
+pickFBConfig(__GLXscreen *pGlxScreen, FBConfigTemplatePtr template, int class)
+{
+    __GLcontextModes *config;
+
+    for (config = pGlxScreen->fbconfigs; config != NULL; config = config->next) {
+	if (config->visualRating != GLX_NONE)
+	    continue;
+	if (_gl_convert_to_x_visual_type(config->visualType) != class)
+	    continue;
+	if ((config->doubleBufferMode > 0) != template->doubleBuffer)
+	    continue;
+	if ((config->depthBits > 0) != template->depthBuffer)
+	    continue;
+
+	return config;
+    }
+
+    return NULL;
+}
+
 static void
 addMinimalSet(__GLXscreen *pGlxScreen)
 {
     __GLcontextModes *config;
     VisualPtr visuals;
-    int depth;
+    int i;
+    FBConfigTemplateRec best = { GL_TRUE, GL_TRUE };
+    FBConfigTemplateRec minimal = { GL_FALSE, GL_FALSE };
 
-    for (config = pGlxScreen->fbconfigs; config != NULL; config = config->next) {
-	if (config->visualRating != GLX_NONE)
-	    continue;
-	if (config->doubleBufferMode && config->depthBits > 0)
-	    break;
-    }
-    if (config == NULL)
-	config = pGlxScreen->fbconfigs;
-
-    pGlxScreen->visuals = xcalloc(1, sizeof (__GLcontextModes *));
+    pGlxScreen->visuals = xcalloc(pGlxScreen->pScreen->numVisuals,
+				  sizeof (__GLcontextModes *));
     if (pGlxScreen->visuals == NULL) {
 	ErrorF("Failed to allocate for minimal set of GLX visuals\n");
 	return;
     }
 
-    depth = config->redBits + config->greenBits + config->blueBits;
-    visuals = AddScreenVisuals(pGlxScreen->pScreen, 1, depth);
-    if (visuals == NULL) {
-	xfree(pGlxScreen->visuals);
-	return;
+    pGlxScreen->numVisuals = pGlxScreen->pScreen->numVisuals;
+    visuals = pGlxScreen->pScreen->visuals;
+    for (i = 0; i < pGlxScreen->numVisuals; i++) {
+	if (visuals[i].nplanes == 32)
+	    config = pickFBConfig(pGlxScreen, &minimal, visuals[i].class);
+	else
+	    config = pickFBConfig(pGlxScreen, &best, visuals[i].class);
+	if (config == NULL)
+	    config = pGlxScreen->fbconfigs;
+	pGlxScreen->visuals[i] = config;
+	config->visualID = visuals[i].vid;
     }
 
-    pGlxScreen->numVisuals = 1;
-    pGlxScreen->visuals[0] = config;
-    initGlxVisual(&visuals[0], config);
 }
 
 static void
diff --git a/hw/xfree86/common/xf86Config.c b/hw/xfree86/common/xf86Config.c
index 35b62a244..b8929c3dd 100644
--- a/hw/xfree86/common/xf86Config.c
+++ b/hw/xfree86/common/xf86Config.c
@@ -1094,7 +1094,7 @@ configServerFlags(XF86ConfFlagsPtr flagsconf, XF86OptionPtr layoutopts)
     }
 
 #ifdef GLXEXT
-    xf86Info.glxVisuals = XF86_GlxVisualsAll;
+    xf86Info.glxVisuals = XF86_GlxVisualsTypical;
     xf86Info.glxVisualsFrom = X_DEFAULT;
     if ((s = xf86GetOptValString(FlagOptions, FLAG_GLX_VISUALS))) {
 	if (!xf86NameCmp(s, "minimal")) {
diff --git a/hw/xfree86/dri/xf86dri.c b/hw/xfree86/dri/xf86dri.c
index 130afdfa4..ea11b38ee 100644
--- a/hw/xfree86/dri/xf86dri.c
+++ b/hw/xfree86/dri/xf86dri.c
@@ -322,8 +322,6 @@ ProcXF86DRICreateContext(
 {
     xXF86DRICreateContextReply	rep;
     ScreenPtr pScreen;
-    VisualPtr visual;
-    int i;
 
     REQUEST(xXF86DRICreateContextReq);
     REQUEST_SIZE_MATCH(xXF86DRICreateContextReq);