File fedora_0001-glxglvnddispatch-Add-missing-dispat... of Package Mesa

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File fedora_0001-glxglvnddispatch-Add-missing-dispatch-for-GetDriverC.patch of Package Mesa

From efa4f2ebc1e788c3f1cfcf3842058cf838171653 Mon Sep 17 00:00:00 2001
From: Hans de Goede <hdegoede@redhat.com>
Date: Mon, 20 Mar 2017 08:41:26 +0100
Subject: [PATCH] glxglvnddispatch: Add missing dispatch for GetDriverConfig

Together with some fixes to xdriinfo this fixes xdriinfo not working
with glvnd.

Since apps (xdriinfo) expect GetDriverConfig to work without going to
need through the dance to setup a glxcontext (which is a reasonable
expectation IMHO), the dispatch for this ends up significantly different
then any other dispatch function.

This patch gets the job done, but I'm not really happy with how this
patch turned out, suggestions for a better fix are welcome.

Cc: Kyle Brenneman <kbrenneman@nvidia.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
 src/glx/g_glxglvnddispatchfuncs.c   | 18 ++++++++++++++++++
 src/glx/g_glxglvnddispatchindices.h |  1 +
 2 files changed, 19 insertions(+)

diff --git a/src/glx/g_glxglvnddispatchfuncs.c b/src/glx/g_glxglvnddispatchfuncs.c
index b5e3398..040cdf8 100644
--- a/src/glx/g_glxglvnddispatchfuncs.c
+++ b/src/glx/g_glxglvnddispatchfuncs.c
@@ -4,6 +4,7 @@
  */
 #include <stdlib.h>
 
+#include "glxclient.h"
 #include "glxglvnd.h"
 #include "glxglvnddispatchfuncs.h"
 #include "g_glxglvnddispatchindices.h"
@@ -50,6 +51,7 @@ const char * const __glXDispatchTableStrings[DI_LAST_INDEX] = {
     __ATTRIB(GetCurrentDisplayEXT),
     // glXGetCurrentDrawable implemented by libglvnd
     // glXGetCurrentReadDrawable implemented by libglvnd
+    __ATTRIB(GetDriverConfig),
     // glXGetFBConfigAttrib implemented by libglvnd
     __ATTRIB(GetFBConfigAttribSGIX),
     __ATTRIB(GetFBConfigFromVisualSGIX),
@@ -334,6 +336,21 @@ static Display *dispatch_GetCurrentDisplayEXT(void)
 
 
 
+static const char *dispatch_GetDriverConfig(const char *driverName)
+{
+    /*
+     * The options are constant for a given driverName, so we do not need
+     * a context (and apps expect to be able to call this without one).
+     */
+#if defined(GLX_DIRECT_RENDERING) && !defined(GLX_USE_APPLEGL)
+    return glXGetDriverConfig(driverName);
+#else
+    return NULL;
+#endif
+}
+
+
+
 static int dispatch_GetFBConfigAttribSGIX(Display *dpy, GLXFBConfigSGIX config,
                                           int attribute, int *value_return)
 {
@@ -939,6 +956,7 @@ const void * const __glXDispatchFunctions[DI_LAST_INDEX + 1] = {
     __ATTRIB(DestroyGLXPbufferSGIX),
     __ATTRIB(GetContextIDEXT),
     __ATTRIB(GetCurrentDisplayEXT),
+    __ATTRIB(GetDriverConfig),
     __ATTRIB(GetFBConfigAttribSGIX),
     __ATTRIB(GetFBConfigFromVisualSGIX),
     __ATTRIB(GetMscRateOML),
diff --git a/src/glx/g_glxglvnddispatchindices.h b/src/glx/g_glxglvnddispatchindices.h
index 05a2c8c..3ba50a7 100644
--- a/src/glx/g_glxglvnddispatchindices.h
+++ b/src/glx/g_glxglvnddispatchindices.h
@@ -39,6 +39,7 @@ typedef enum __GLXdispatchIndex {
     DI_GetCurrentDisplayEXT,
     // GetCurrentDrawable implemented by libglvnd
     // GetCurrentReadDrawable implemented by libglvnd
+    DI_GetDriverConfig,
     // GetFBConfigAttrib implemented by libglvnd
     DI_GetFBConfigAttribSGIX,
     DI_GetFBConfigFromVisualSGIX,
-- 
2.9.3

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