X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=fft_pass_effect.h;h=a09304d22f264cd53b1890db90ac217031881224;hp=b3e025b1a1284bb0415b04320ba08e491b1fc3f9;hb=f5e3256da7d8e3a56c002da47bedf8ec1a2133f4;hpb=c4f0d4e876a8177db5738596f22349e030e0a1dc

diff --git a/fft_pass_effect.h b/fft_pass_effect.h
index b3e025b..a09304d 100644
--- a/fft_pass_effect.h
+++ b/fft_pass_effect.h
@@ -50,17 +50,20 @@
 // 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();
 	~FFTPassEffect();
-	virtual std::string effect_type_id() const {
+	std::string effect_type_id() const override {
 		char buf[256];
 		if (inverse) {
 			snprintf(buf, sizeof(buf), "IFFTPassEffect[%d]", (1 << pass_number));
@@ -69,9 +72,9 @@ public:
 		}
 		return buf;
 	}
-	std::string output_fragment_shader();
+	std::string output_fragment_shader() override;
 
-	void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num);
+	void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num) override;
 
 	// We don't actually change the output size, but this flag makes sure
 	// that no other effect is chained after us. This is important since
@@ -80,31 +83,48 @@ public:
 	// mode to GL_NEAREST, which other effects are not ready for; so, the
 	// combination of these two flags guarantee that we're run entirely alone
 	// 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; }
+	bool needs_texture_bounce() const override { return true; }
+	bool changes_output_size() const override { return true; }
+	bool sets_virtual_output_size() const override { return false; }
 
-	virtual void inform_input_size(unsigned input_num, unsigned width, unsigned height)
+	void inform_input_size(unsigned input_num, unsigned width, unsigned height) override
 	{
 		assert(input_num == 0);
 		input_width = width;
 		input_height = height;
 	}
 	
-	virtual void get_output_size(unsigned *width, unsigned *height,
-	                             unsigned *virtual_width, unsigned *virtual_height) const {
+	void get_output_size(unsigned *width, unsigned *height,
+	                     unsigned *virtual_width, unsigned *virtual_height) const override {
 		*width = *virtual_width = input_width;
 		*height = *virtual_height = input_height;
 	}
+
+	void inform_added(EffectChain *chain) override { 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)