Make the ResampleEffect accuracy test stricter.
[movit] / resample_effect.h
index 1424bbf..74585d6 100644 (file)
@@ -1,5 +1,5 @@
-#ifndef _RESAMPLE_EFFECT_H
-#define _RESAMPLE_EFFECT_H 1
+#ifndef _MOVIT_RESAMPLE_EFFECT_H
+#define _MOVIT_RESAMPLE_EFFECT_H 1
 
 // High-quality image resizing, either up or down.
 //
 // which is what the user is intended to use, instantiates two copies of
 // SingleResamplePassEffect behind the scenes).
 
+#include <GL/glew.h>
+#include <assert.h>
+#include <stddef.h>
+#include <string>
+
 #include "effect.h"
 
+class EffectChain;
+class Node;
 class SingleResamplePassEffect;
 
 class ResampleEffect : public Effect {
@@ -62,6 +69,7 @@ public:
 
        virtual bool needs_texture_bounce() const { return true; }
        virtual bool needs_srgb_primaries() const { return false; }
+       virtual AlphaHandling alpha_handling() const { return INPUT_PREMULTIPLIED_ALPHA_KEEP_BLANK; }
 
        virtual void inform_input_size(unsigned input_num, unsigned width, unsigned height) {
                if (parent != NULL) {
@@ -70,9 +78,9 @@ public:
        }
        virtual bool changes_output_size() const { return true; }
 
-       virtual void get_output_size(unsigned *width, unsigned *height) const {
-               *width = this->output_width;
-               *height = this->output_height;
+       virtual void get_output_size(unsigned *width, unsigned *height, unsigned *virtual_width, unsigned *virtual_height) const {
+               *virtual_width = *width = this->output_width;
+               *virtual_height = *height = this->output_height;
        }
 
        void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num);
@@ -87,8 +95,8 @@ private:
        GLuint texnum;
        int input_width, input_height, output_width, output_height;
        int last_input_width, last_input_height, last_output_width, last_output_height;
-       int src_samples, num_loops;
+       int src_bilinear_samples, num_loops;
        float slice_height;
 };
 
-#endif // !defined(_RESAMPLE_EFFECT_H)
+#endif // !defined(_MOVIT_RESAMPLE_EFFECT_H)