Reduce the amount of arithmetic in the BlurEffect shader a bit.

[movit] / effect_util.cpp

diff --git a/effect_util.cpp b/effect_util.cpp
index 35a94a7c3e999b0ebc2795f92b40e0d10d0009cb..d485d4691cc3d16a04ce1643a485f94504664cd4 100644 (file)
--- a/effect_util.cpp
+++ b/effect_util.cpp
@@ -69,6 +69,17 @@ void set_uniform_vec4(GLuint glsl_program_num, const string &prefix, const strin
        check_error();
 }
 
+void set_uniform_vec2_array(GLuint glsl_program_num, const string &prefix, const string &key, const float *values, size_t num_values)
+{
+       GLint location = get_uniform_location(glsl_program_num, prefix, key);
+       if (location == -1) {
+               return;
+       }
+       check_error();
+       glUniform2fv(location, num_values, values);
+       check_error();
+}
+
 void set_uniform_vec4_array(GLuint glsl_program_num, const string &prefix, const string &key, const float *values, size_t num_values)
 {
        GLint location = get_uniform_location(glsl_program_num, prefix, key);