X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=gamma_compression_effect.h;h=83208cf0dcc44d77412c5a595f6cab9906b75e0a;hp=2744d2ddf65f809e96a301cdcb0e016e499c8f25;hb=849e2cd0910a468c1aa7b11cd855c685421781ae;hpb=38dfb378427d1c97113ad7644c39f7695be84c49

diff --git a/gamma_compression_effect.h b/gamma_compression_effect.h
index 2744d2d..83208cf 100644
--- a/gamma_compression_effect.h
+++ b/gamma_compression_effect.h
@@ -1,16 +1,21 @@
-#ifndef _GAMMA_COMPRESSION_EFFECT_H 
-#define _GAMMA_COMPRESSION_EFFECT_H 1
+#ifndef _MOVIT_GAMMA_COMPRESSION_EFFECT_H 
+#define _MOVIT_GAMMA_COMPRESSION_EFFECT_H 1
 
 // An effect to convert linear light to the given gamma curve,
 // typically inserted by the framework automatically at the end
 // of the processing chain.
 //
-// Currently supports sRGB and Rec. 601/709.
+// Currently supports sRGB, Rec. 601/709 and Rec. 2020 (10- and 12-bit).
+// Note that Movit's internal formats generally do not have enough accuracy
+// for 12-bit input or output.
+
+#include <GL/glew.h>
+#include <string>
 
 #include "effect.h"
-#include "effect_chain.h"
+#include "image_format.h"
 
-#define COMPRESSION_CURVE_SIZE 4096
+namespace movit {
 
 class GammaCompressionEffect : public Effect {
 private:
@@ -21,16 +26,18 @@ private:
 public:
 	virtual std::string effect_type_id() const { return "GammaCompressionEffect"; }
 	std::string output_fragment_shader();
+	virtual void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num);
 
 	virtual bool needs_srgb_primaries() const { return false; }
 
 	// Actually needs postmultiplied input as well as outputting it.
 	// EffectChain will take care of that.
-	virtual AlphaHandling alpha_handling() const { return OUTPUT_ALPHA_POSTMULTIPLIED; }
+	virtual AlphaHandling alpha_handling() const { return OUTPUT_POSTMULTIPLIED_ALPHA; }
 
 private:
 	GammaCurve destination_curve;
-	float compression_curve[COMPRESSION_CURVE_SIZE];
 };
 
-#endif // !defined(_GAMMA_COMPRESSION_EFFECT_H)
+}  // namespace movit
+
+#endif // !defined(_MOVIT_GAMMA_COMPRESSION_EFFECT_H)