X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=fft_pass_effect.h;h=53428bd8d31a3f82360615a2ec20b0cac3653cd5;hp=b3e025b1a1284bb0415b04320ba08e491b1fc3f9;hb=8e9f58fec54a4c879035b214fd7411f6ff7b3a32;hpb=c4f0d4e876a8177db5738596f22349e030e0a1dc

diff --git a/fft_pass_effect.h b/fft_pass_effect.h
index b3e025b..53428bd 100644
--- a/fft_pass_effect.h
+++ b/fft_pass_effect.h
@@ -50,12 +50,15 @@
 // scaling), and as fp16 has quite limited range at times, this can be relevant
 // on some GPUs for larger sizes.
 
+#include <epoxy/gl.h>
+#include <assert.h>
 #include <stdio.h>
-#include <GL/glew.h>
 #include <string>
 
 #include "effect.h"
 
+namespace movit {
+
 class FFTPassEffect : public Effect {
 public:
 	FFTPassEffect();
@@ -82,6 +85,7 @@ public:
 	// in our own phase, which is exactly what we want.
 	virtual bool needs_texture_bounce() const { return true; }
 	virtual bool changes_output_size() const { return true; }
+	virtual bool sets_virtual_output_size() const { return false; }
 
 	virtual void inform_input_size(unsigned input_num, unsigned width, unsigned height)
 	{
@@ -95,16 +99,32 @@ public:
 		*width = *virtual_width = input_width;
 		*height = *virtual_height = input_height;
 	}
+
+	virtual void inform_added(EffectChain *chain) { this->chain = chain; }
 	
-	enum Direction { HORIZONTAL = 0, VERTICAL = 1 };
+	enum Direction { INVALID = -1, HORIZONTAL = 0, VERTICAL = 1 };
 
 private:
+	void generate_support_texture();
+
+	EffectChain *chain;
 	int input_width, input_height;
 	GLuint tex;
+	float uniform_num_repeats;
+	GLint uniform_support_tex;
+
 	int fft_size;
 	Direction direction;
 	int pass_number;  // From 1..n.
 	int inverse;  // 0 = forward (FFT), 1 = reverse (IFFT).
+
+	int last_fft_size;
+	Direction last_direction;
+	int last_pass_number;
+	int last_inverse;
+	int last_input_size;
 };
 
+}  // namespace movit
+
 #endif // !defined(_MOVIT_FFT_PASS_EFFECT_H)