Make combine_two_pixels() handle the fact that the GPU has limited subpixel interpola...

[movit] / blur_effect.cpp

diff --git a/blur_effect.cpp b/blur_effect.cpp
index 579521fde00b2e952824681bf5dcaa1aea178e7e..ec61aeab784f8a9f8b3574a29e48141162b6b2f7 100644 (file)
--- a/blur_effect.cpp
+++ b/blur_effect.cpp
@@ -162,13 +162,8 @@ void SingleBlurPassEffect::set_gl_state(GLuint glsl_program_num, const std::stri
                float w2 = weight[base_pos + 1];
 
                float offset, total_weight;
-               if (w1 + w2 < 1e-6) {
-                       offset = 0.5f;
-                       total_weight = 0.0f;
-               } else {
-                       offset = w2 / (w1 + w2);
-                       total_weight = w1 + w2;
-               }
+               combine_two_samples(w1, w2, &offset, &total_weight, NULL);
+
                float x = 0.0f, y = 0.0f;
 
                if (direction == HORIZONTAL) {