File U_glamor-spans-fixup-wrong-count-on-glDrawArrays.patch of Package xorg-x11-server.33719

From: Mark Yao <mark.yao@rock-chips.com>
Date: Fri Sep 30 16:42:35 2016 +0800
Subject: [PATCH]glamor: spans: fixup wrong count on glDrawArrays
Patch-mainline: c9b8ce73927a43ed82b267d1c1985445f24827cc
Git-repo: git://anongit.freedesktop.org/xorg/xserver
References: boo#1051350
Signed-off-by: Max Staudt <mstaudt@suse.de>

In commit 9e9fcf5 (glamor: Add a helper function for the common
GL_QUADS fallback pattern.), the glDrawArrays count change was
accidentally changed to nbox.

Fixes xlogo with MESA_GL_VERSION_OVERRIDE=2.1 and
MESA_GLSL_VERSION_OVERRIDE=120

Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
---
 glamor/glamor_spans.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/glamor/glamor_spans.c b/glamor/glamor_spans.c
index 89a9c5102..ce4c55cea 100644
--- a/glamor/glamor_spans.c
+++ b/glamor/glamor_spans.c
@@ -135,7 +135,7 @@ glamor_fill_spans_gl(DrawablePtr drawable,
             if (glamor_priv->glsl_version >= 130)
                 glDrawArraysInstanced(GL_TRIANGLE_STRIP, 0, 4, n);
             else {
-                glamor_glDrawArrays_GL_QUADS(glamor_priv, nbox);
+                glamor_glDrawArrays_GL_QUADS(glamor_priv, n);
             }
         }
     }