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author | Travis CI <zmoelnig@travis-ci.umlaeute.mur.at> | 2015-03-14 20:40:49 +0000 |
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committer | Travis CI <zmoelnig@travis-ci.umlaeute.mur.at> | 2015-03-14 20:40:49 +0000 |
commit | 5c694f159b012d1d94bf15bfe580dec52e4fe797 (patch) | |
tree | ce400f82d72f92189c50f54afa11c568cda53562 /Gem/examples/10.glsl/texture.frag |
Gem osx/x86_64
built '' for osx/x86_64
Diffstat (limited to 'Gem/examples/10.glsl/texture.frag')
-rw-r--r-- | Gem/examples/10.glsl/texture.frag | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/Gem/examples/10.glsl/texture.frag b/Gem/examples/10.glsl/texture.frag new file mode 100644 index 0000000..aaee824 --- /dev/null +++ b/Gem/examples/10.glsl/texture.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 = texture2D(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; +} |