From bdae26678d39c83280ed5e353986705da6f423c5 Mon Sep 17 00:00:00 2001
From: Travis CI <zmoelnig@travis-ci.umlaeute.mur.at>
Date: Thu, 19 Mar 2015 23:06:26 +0000
Subject: Gem 4990e2aec04f67a68fbd2878f4d99bb8042f68fa osx/x86_64

built 'master:4990e2aec04f67a68fbd2878f4d99bb8042f68fa' for osx/x86_64
---
 Gem/examples/10.glsl/texture_rect.frag | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 Gem/examples/10.glsl/texture_rect.frag

(limited to 'Gem/examples/10.glsl/texture_rect.frag')

diff --git a/Gem/examples/10.glsl/texture_rect.frag b/Gem/examples/10.glsl/texture_rect.frag
new file mode 100644
index 0000000..98adc1f
--- /dev/null
+++ b/Gem/examples/10.glsl/texture_rect.frag
@@ -0,0 +1,16 @@
+// Cyrille Henry 2007
+
+#extension GL_ARB_texture_rectangle : enable
+uniform sampler2DRect MyTex;
+//uniform sampler2D MyTex;
+uniform float B,C;
+
+void main (void)
+{
+ vec4 color = texture2DRect(MyTex,  (gl_TextureMatrix[0] * gl_TexCoord[0]).st);
+
+ color *= B+1.; // brightness
+ vec4 gray = vec4(dot(color.rgb,vec3(0.2125,  0.7154, 0.0721)));
+ color = mix(gray, color, C+1.); // contrast
+ gl_FragColor = color;
+}
-- 
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