X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=lift_gamma_gain_effect.glsl;fp=lift_gamma_gain_effect.glsl;h=0000000000000000000000000000000000000000;hp=80e04d0659d52969bc287ffa3d96dca4010e129d;hb=d4542f76df5d26843c68b1467e76722cffd801a1;hpb=873b60b640a96c8fb4c2d8c88c85d20e0a2dca6b

diff --git a/lift_gamma_gain_effect.glsl b/lift_gamma_gain_effect.glsl
deleted file mode 100644
index 80e04d0..0000000
--- a/lift_gamma_gain_effect.glsl
+++ /dev/null
@@ -1,21 +0,0 @@
-// Standard lift/gamma/gain color correction tools.
-//
-// We do lift in a nonlinear (gamma-2.2) space since that looks a lot better
-// than in linear (blacks stay a lot closer to black). The two others don't
-// really care; they are (sans some constants) commutative with the x^2.2
-// operation.
-
-// These are calculated in the host code to save some arithmetic.
-uniform vec3 PREFIX(gain_pow_inv_gamma);  // gain^(1/gamma).
-uniform vec3 PREFIX(inv_gamma_22);  // 2.2 / gamma.
-
-vec4 FUNCNAME(vec2 tc) {
-	vec4 x = LAST_INPUT(tc);
-
-	x.rgb = pow(x.rgb, vec3(1.0/2.2));
-	x.rgb += PREFIX(lift) * (vec3(1) - x.rgb);
-	x.rgb = pow(x.rgb, PREFIX(inv_gamma_22));
-	x.rgb *= PREFIX(gain_pow_inv_gamma);
-
-	return x;
-}