]> git.sesse.net Git - movit/blobdiff - gamma_expansion_effect_srgb.glsl
Rename .glsl to .vert/.frag.
[movit] / gamma_expansion_effect_srgb.glsl
diff --git a/gamma_expansion_effect_srgb.glsl b/gamma_expansion_effect_srgb.glsl
deleted file mode 100644 (file)
index e90bb62..0000000
+++ /dev/null
@@ -1,31 +0,0 @@
-// Expand sRGB gamma curve.
-
-#if 0
-
-// if we have the lut
-uniform sampler1D PREFIX(srgb_tex);
-
-vec4 FUNCNAME(vec2 tc) {
-       vec4 x = LAST_INPUT(tc);
-
-       x.r = texture1D(PREFIX(srgb_tex), x.r).x;
-       x.g = texture1D(PREFIX(srgb_tex), x.g).x;
-       x.b = texture1D(PREFIX(srgb_tex), x.b).x;
-
-       return x;
-}
-
-#else
-
-// use arithmetic (slow)
-vec4 FUNCNAME(vec2 tc) {
-       vec4 x = LAST_INPUT(tc);
-
-       vec3 a = x.rgb * vec3(1.0/12.92); 
-       vec3 b = pow((x.rgb + vec3(0.055)) * vec3(1.0/1.055), vec3(2.4));
-       vec3 f = vec3(greaterThan(x.rgb, vec3(0.04045)));
-
-       return vec4(mix(a, b, f), x.a); 
-}
-#endif