File u_0003-glx-Extend-__GLXscreen-createContext-to-... of Package xorg-x11-server

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File u_0003-glx-Extend-__GLXscreen-createContext-to-take-attribu.patch of Package xorg-x11-server

From 71a819742edf386ace3cfaacc7dfe24b00f5ff7e Mon Sep 17 00:00:00 2001
From: Ian Romanick <ian.d.romanick@intel.com>
Date: Mon, 5 Dec 2011 10:56:07 -0800
Subject: [PATCH 03/11] glx: Extend __GLXscreen::createContext to take attributes

The attributes will be used for glXCreateContextAttribsARB additions
in follow-on patches.

v2: Add missing 'int *error' parameters noticed by Christopher James
Halse Rogers.

v3: Remove redundant 'int err;' declaration noticed by Christopher
James Halse Rogers.  This was supposed to be in v2, but I missed it.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Christopher James Halse Rogers <christopher.halse.rogers@canonical.com>
---
 glx/glxcmds.c      |   10 ++++++++--
 glx/glxdri.c       |   12 +++++++++++-
 glx/glxdri2.c      |    5 ++++-
 glx/glxdriswrast.c |   12 +++++++++++-
 glx/glxscreens.h   |    5 ++++-
 5 files changed, 38 insertions(+), 6 deletions(-)

diff --git a/glx/glxcmds.c b/glx/glxcmds.c
index 5c70afa..308c14a 100644
--- a/glx/glxcmds.c
+++ b/glx/glxcmds.c
@@ -276,8 +276,14 @@ DoCreateContext(__GLXclientState * cl, GLXContextID gcId,
     /*
      ** Allocate memory for the new context
      */
-    if (!isDirect)
-        glxc = pGlxScreen->createContext(pGlxScreen, config, shareglxc);
+    if (!isDirect) {
+        /* Without any attributes, the only error that the driver should be
+         * able to generate is BadAlloc.  As result, just drop the error
+         * returned from the driver on the floor.
+         */
+        glxc = pGlxScreen->createContext(pGlxScreen, config, shareglxc,
+                                         0, NULL, &err);
+    }
     else
         glxc = __glXdirectContextCreate(pGlxScreen, config, shareglxc);
     if (!glxc) {
diff --git a/glx/glxdri.c b/glx/glxdri.c
index 9b8b66f..bc49f29 100644
--- a/glx/glxdri.c
+++ b/glx/glxdri.c
@@ -599,7 +599,10 @@ __glXDRIscreenDestroy(__GLXscreen * baseScreen)
 static __GLXcontext *
 __glXDRIscreenCreateContext(__GLXscreen * baseScreen,
                             __GLXconfig * glxConfig,
-                            __GLXcontext * baseShareContext)
+                            __GLXcontext * baseShareContext,
+                            unsigned num_attribs,
+                            const uint32_t *attribs,
+                            int *error)
 {
     __GLXDRIscreen *screen = (__GLXDRIscreen *) baseScreen;
     __GLXDRIcontext *context, *shareContext;
@@ -611,6 +614,13 @@ __glXDRIscreenCreateContext(__GLXscreen * baseScreen,
     drm_context_t hwContext;
     ScreenPtr pScreen = baseScreen->pScreen;
 
+    /* DRI1 cannot support createContextAttribs, so these parameters will
+     * never be used.
+     */
+    (void) num_attribs;
+    (void) attribs;
+    (void) error;
+
     shareContext = (__GLXDRIcontext *) baseShareContext;
     if (shareContext)
         driShare = shareContext->driContext;
diff --git a/glx/glxdri2.c b/glx/glxdri2.c
index aa38295..656b577 100644
--- a/glx/glxdri2.c
+++ b/glx/glxdri2.c
@@ -380,7 +380,10 @@ __glXDRIscreenDestroy(__GLXscreen * baseScreen)
 static __GLXcontext *
 __glXDRIscreenCreateContext(__GLXscreen * baseScreen,
                             __GLXconfig * glxConfig,
-                            __GLXcontext * baseShareContext)
+                            __GLXcontext * baseShareContext,
+                            unsigned num_attribs,
+                            const uint32_t *attribs,
+                            int *error)
 {
     __GLXDRIscreen *screen = (__GLXDRIscreen *) baseScreen;
     __GLXDRIcontext *context, *shareContext;
diff --git a/glx/glxdriswrast.c b/glx/glxdriswrast.c
index c69b4d2..b478398 100644
--- a/glx/glxdriswrast.c
+++ b/glx/glxdriswrast.c
@@ -257,7 +257,10 @@ __glXDRIscreenDestroy(__GLXscreen * baseScreen)
 static __GLXcontext *
 __glXDRIscreenCreateContext(__GLXscreen * baseScreen,
                             __GLXconfig * glxConfig,
-                            __GLXcontext * baseShareContext)
+                            __GLXcontext * baseShareContext,
+                            unsigned num_attribs,
+                            const uint32_t *attribs,
+                            int *error)
 {
     __GLXDRIscreen *screen = (__GLXDRIscreen *) baseScreen;
     __GLXDRIcontext *context, *shareContext;
@@ -265,6 +268,13 @@ __glXDRIscreenCreateContext(__GLXscreen * baseScreen,
     const __DRIcoreExtension *core = screen->core;
     __DRIcontext *driShare;
 
+    /* DRISWRAST won't support createContextAttribs, so these parameters will
+     * never be used.
+     */
+    (void) num_attribs;
+    (void) attribs;
+    (void) error;
+
     shareContext = (__GLXDRIcontext *) baseShareContext;
     if (shareContext)
         driShare = shareContext->driContext;
diff --git a/glx/glxscreens.h b/glx/glxscreens.h
index d5420ee..7ef4657 100644
--- a/glx/glxscreens.h
+++ b/glx/glxscreens.h
@@ -117,7 +117,10 @@ struct __GLXscreen {
 
     __GLXcontext *(*createContext) (__GLXscreen * screen,
                                     __GLXconfig * modes,
-                                    __GLXcontext * shareContext);
+                                    __GLXcontext * shareContext,
+                                    unsigned num_attribs,
+                                    const uint32_t *attribs,
+                                    int *error);
 
     __GLXdrawable *(*createDrawable) (ClientPtr client,
                                       __GLXscreen * context,
-- 
1.7.3.4

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