X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=effect_chain.h;h=4abfb97eba1390f0ca7f16daff094bea14dabd60;hp=c8fe11e639ed36c52b10724f72cab87af01a1540;hb=b618b34070d23b6da35c77f004678d8a9e55575b;hpb=a88f299483ffe5068cd2828513078b9103325da8

diff --git a/effect_chain.h b/effect_chain.h
index c8fe11e..4abfb97 100644
--- a/effect_chain.h
+++ b/effect_chain.h
@@ -6,7 +6,7 @@
 #include "effect.h"
 #include "effect_id.h"
 
-enum PixelFormat { FORMAT_RGB, FORMAT_RGBA };
+enum PixelFormat { FORMAT_RGB, FORMAT_RGBA, FORMAT_BGR, FORMAT_BGRA };
 
 enum ColorSpace {
 	COLORSPACE_sRGB = 0,
@@ -31,20 +31,49 @@ struct ImageFormat {
 class EffectChain {
 public:
 	EffectChain(unsigned width, unsigned height);
+
+	// input, effects, output, finalize need to come in that specific order.
+
 	void add_input(const ImageFormat &format);
 
-	// The pointer is owned by EffectChain.
+	// The returned pointer is owned by EffectChain.
 	Effect *add_effect(EffectId effect);
 
 	void add_output(const ImageFormat &format);
+	void finalize();
 
-	void render(unsigned char *src, unsigned char *dst);
+	//void render(unsigned char *src, unsigned char *dst);
+	void render_to_screen(unsigned char *src);
 
 private:
+	struct Phase {
+		GLint glsl_program_num;
+		bool input_needs_mipmaps;
+		unsigned start, end;
+	};
+
+	void normalize_to_linear_gamma();
+	void normalize_to_srgb();
+
+	// Create a GLSL program computing effects [start, end>.
+	Phase compile_glsl_program(unsigned start_index, unsigned end_index);
+
 	unsigned width, height;
 	ImageFormat input_format, output_format;
 	std::vector<Effect *> effects;
 
+	GLuint source_image_num;
+	bool use_srgb_texture_format;
+
+	GLuint fbo;
+	GLuint temp_textures[2];
+
+	std::vector<Phase> phases;
+
+	GLenum format, bytes_per_pixel;
+	bool finalized;
+
+	// Used during the building of the effect chain.
 	ColorSpace current_color_space;
 	GammaCurve current_gamma_curve;	
 };