Remove some unneeded conversions from ResampleEffect. Speeds up texture generation...

[movit] / blur_effect.frag

diff --git a/blur_effect.frag b/blur_effect.frag
index afe9f2e4cc001247d51b2a9e214348d6f55ce327..f8497b3fb19d45ca439af30177f3272b910b7841 100644 (file)
--- a/blur_effect.frag
+++ b/blur_effect.frag
@@ -2,13 +2,12 @@
 // DIRECTION_VERTICAL will be #defined to 1 if we are doing a vertical blur,
 // 0 otherwise.
 
-#define NUM_TAPS 16
-
-uniform vec2 PREFIX(samples)[NUM_TAPS + 1];
+// Implicit uniforms:
+// uniform vec2 PREFIX(samples)[NUM_TAPS / 2 + 1];
 
 vec4 FUNCNAME(vec2 tc) {
        vec4 sum = vec4(PREFIX(samples)[0].y) * INPUT(tc);
-       for (int i = 1; i < NUM_TAPS + 1; ++i) {
+       for (int i = 1; i < NUM_TAPS / 2 + 1; ++i) {
                vec2 sample = PREFIX(samples)[i];
                vec2 sample1_tc = tc, sample2_tc = tc;
 #if DIRECTION_VERTICAL