X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=resample_effect.h;h=669d15b94569626d5b1a2bfc058b98162dd6f6be;hb=b564238fa1293c01c77bcabe7b2de267f146ab24;hp=44587bf22f9200a1f79147c1ced2b9bf40e82dbb;hpb=e9f0fb5e6ae193a5a853ac5aef82927b6a81267a;p=movit

diff --git a/resample_effect.h b/resample_effect.h
index 44587bf..669d15b 100644
--- a/resample_effect.h
+++ b/resample_effect.h
@@ -15,7 +15,7 @@
 // which is what the user is intended to use, instantiates two copies of
 // SingleResamplePassEffect behind the scenes).
 
-#include <GL/glew.h>
+#include <epoxy/gl.h>
 #include <assert.h>
 #include <stddef.h>
 #include <string>
@@ -53,9 +53,14 @@ public:
 	
 private:
 	void update_size();
+	void update_offset_and_zoom();
 	
 	SingleResamplePassEffect *hpass, *vpass;
 	int input_width, input_height, output_width, output_height;
+
+	float offset_x, offset_y;
+	float zoom_x, zoom_y;
+	float zoom_center_x, zoom_center_y;
 };
 
 class SingleResamplePassEffect : public Effect {
@@ -80,6 +85,7 @@ public:
 		}
 	}
 	virtual bool changes_output_size() const { return true; }
+	virtual bool sets_virtual_output_size() const { return false; }
 
 	virtual void get_output_size(unsigned *width, unsigned *height, unsigned *virtual_width, unsigned *virtual_height) const {
 		*virtual_width = *width = this->output_width;
@@ -98,7 +104,9 @@ private:
 	Direction direction;
 	GLuint texnum;
 	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;
+	float last_offset, last_zoom;
 	int src_bilinear_samples, num_loops;
 	float slice_height;
 };