X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=blur_effect.cpp;h=77238533e308054ccdd60475313d86b2e573bbd8;hp=579521fde00b2e952824681bf5dcaa1aea178e7e;hb=29072985d0a00a53e5b578a1444cee61a0c9e1f2;hpb=e7389a6a3041dcb1a0a4dceffd2ca9018b49b2f2

diff --git a/blur_effect.cpp b/blur_effect.cpp
index 579521f..7723853 100644
--- a/blur_effect.cpp
+++ b/blur_effect.cpp
@@ -1,10 +1,10 @@
 #include <math.h>
 #include <assert.h>
+#include <GL/glew.h>
 
 #include "blur_effect.h"
 #include "effect_chain.h"
 #include "util.h"
-#include "opengl.h"
 
 // Must match blur_effect.frag.
 #define NUM_TAPS 16
@@ -16,9 +16,9 @@ BlurEffect::BlurEffect()
 {
 	// The first blur pass will forward resolution information to us.
 	hpass = new SingleBlurPassEffect(this);
-	hpass->set_int("direction", SingleBlurPassEffect::HORIZONTAL);
+	CHECK(hpass->set_int("direction", SingleBlurPassEffect::HORIZONTAL));
 	vpass = new SingleBlurPassEffect(NULL);
-	vpass->set_int("direction", SingleBlurPassEffect::VERTICAL);
+	CHECK(vpass->set_int("direction", SingleBlurPassEffect::VERTICAL));
 
 	update_radius();
 }
@@ -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) {