Use the GL_RED texture format instead of GL_LUMINANCE.

[movit] / fft_pass_effect.cpp

diff --git a/fft_pass_effect.cpp b/fft_pass_effect.cpp
index b3c3cf6a32c553087ac8fb52c923347b5c8010ce..ccca74dd05df7ef7696378ddccb62f4e615dede7 100644 (file)
--- a/fft_pass_effect.cpp
+++ b/fft_pass_effect.cpp
@@ -1,11 +1,14 @@
 #include <GL/glew.h>
+#include <math.h>
 
-#include "fft_pass_effect.h"
 #include "effect_util.h"
+#include "fft_pass_effect.h"
 #include "util.h"
 
 using namespace std;
 
+namespace movit {
+
 FFTPassEffect::FFTPassEffect()
        : input_width(1280),
          input_height(720),
@@ -155,3 +158,5 @@ void FFTPassEffect::set_gl_state(GLuint glsl_program_num, const string &prefix,
        assert(input_size % fft_size == 0);
        set_uniform_float(glsl_program_num, prefix, "num_repeats", input_size / fft_size);
 }
+
+}  // namespace movit