EffectChain *chain;
Direction direction;
GLuint texnum;
+ GLint uniform_sample_tex;
+ float uniform_num_loops, uniform_slice_height, uniform_sample_x_scale, uniform_sample_x_offset;
+ float uniform_whole_pixel_offset;
+ int uniform_num_samples;
+
int input_width, input_height, output_width, output_height;
float offset, zoom;
int last_input_width, last_input_height, last_output_width, last_output_height;