diff options
Diffstat (limited to 'packages/noncvs/windows/extra/Gem/examples/10.glsl/texture_rect.frag')
-rw-r--r-- | packages/noncvs/windows/extra/Gem/examples/10.glsl/texture_rect.frag | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/packages/noncvs/windows/extra/Gem/examples/10.glsl/texture_rect.frag b/packages/noncvs/windows/extra/Gem/examples/10.glsl/texture_rect.frag index 98adc1f3..e7f589c6 100644 --- a/packages/noncvs/windows/extra/Gem/examples/10.glsl/texture_rect.frag +++ b/packages/noncvs/windows/extra/Gem/examples/10.glsl/texture_rect.frag @@ -1,16 +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; -} +// 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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