From b59d050e84fb90f6385bb02e26561c76d20340a0 Mon Sep 17 00:00:00 2001
From: Filippo Argiolas <filippo.argiolas@gmail.com>
Date: Sun, 25 Apr 2010 10:31:01 +0200
Subject: [PATCH] [427/906] rgb_to_curve: save up a texture indirection

Apparently assigning gl_TexCoord to a temp count as an indirection.
Using it directly avoids it and limits indirections to four not
exceeding i915 limit. Now xpro effect works on i915.
---
 gst/gl/effects/gstgleffectssources.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/gst/gl/effects/gstgleffectssources.c b/gst/gl/effects/gstgleffectssources.c
index bcd9a620a0..aeaeb7d07b 100644
--- a/gst/gl/effects/gstgleffectssources.c
+++ b/gst/gl/effects/gstgleffectssources.c
@@ -383,8 +383,7 @@ const gchar *rgb_to_curve_fragment_source =
   "uniform sampler2DRect tex;"
   "uniform sampler1D curve;"
   "void main () {"
-  "  vec2 texturecoord = gl_TexCoord[0].st;"
-  "  vec4 color = texture2DRect (tex, texturecoord);"
+  "  vec4 color = texture2DRect (tex, gl_TexCoord[0].st);"
   "  vec4 outcolor;"
   "  outcolor.r = texture1D(curve, color.r).r;"
   "  outcolor.g = texture1D(curve, color.g).g;"