In ResampleEffect, precompute the Lanczos function into a table.

[movit] / gamma_expansion_effect.frag

diff --git a/gamma_expansion_effect.frag b/gamma_expansion_effect.frag
index 359b026450c916f52d9f486bac11c2f6dcff3b71..051d2faf1042cc47e0be4b3b715dba67c0333794 100644 (file)
--- a/gamma_expansion_effect.frag
+++ b/gamma_expansion_effect.frag
@@ -1,8 +1,9 @@
 // Expand gamma curve.
 
-uniform float PREFIX(linear_scale);
-uniform float PREFIX(c0), PREFIX(c1), PREFIX(c2), PREFIX(c3), PREFIX(c4);
-uniform float PREFIX(beta);
+// Implicit uniforms:
+// uniform float PREFIX(linear_scale);
+// uniform float PREFIX(c0), PREFIX(c1), PREFIX(c2), PREFIX(c3), PREFIX(c4);
+// uniform float PREFIX(beta);
 
 vec4 FUNCNAME(vec2 tc) {
        vec4 x = INPUT(tc);