X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=gamma_expansion_effect_rec709.glsl;fp=gamma_expansion_effect_rec709.glsl;h=0000000000000000000000000000000000000000;hp=00259ccf079983b7685cc7de8dd8249adb80e3c7;hb=d4542f76df5d26843c68b1467e76722cffd801a1;hpb=873b60b640a96c8fb4c2d8c88c85d20e0a2dca6b

diff --git a/gamma_expansion_effect_rec709.glsl b/gamma_expansion_effect_rec709.glsl
deleted file mode 100644
index 00259cc..0000000
--- a/gamma_expansion_effect_rec709.glsl
+++ /dev/null
@@ -1,31 +0,0 @@
-// Expand Rec. 601/Rec. 709 gamma curve.
-
-#if 0
-
-// if we have the lut
-uniform sampler1D PREFIX(rec709_tex);
-
-vec4 FUNCNAME(vec2 tc) {
-	vec4 x = LAST_INPUT(tc);
-
-	x.r = texture1D(PREFIX(rec709_tex), x.r).x;
-	x.g = texture1D(PREFIX(rec709_tex), x.g).x;
-	x.b = texture1D(PREFIX(rec709_tex), x.b).x;
-
-	return x;
-}
-
-#else
-
-// use arithmetic (slow)
-vec4 FUNCNAME(vec2 tc) {
-	vec4 x = LAST_INPUT(tc);
-
-	vec3 a = x.rgb * vec3(1.0/4.500);
-	vec3 b = pow((x.rgb + vec3(0.099)) * vec3(1.0/1.099), vec3(1.0/0.45));
-	vec3 f = vec3(greaterThan(x.rgb, vec3(0.081)));
-
-	return vec4(mix(a, b, f), x.a); 
-}
- 
-#endif