#ifndef _COLORSPACE_CONVERSION_EFFECT_H
#define _COLORSPACE_CONVERSION_EFFECT_H 1
+// An effect to convert between different color spaces.
+// Can convert freely between sRGB/Rec. 709 and the two different Rec. 601
+// color spaces (which thankfully have the same white point).
+//
+// We don't do any fancy gamut mapping or similar; colors that are out-of-gamut
+// will simply stay out-of-gamut, and probably clip in the output stage.
+
#include "effect.h"
#include "effect_chain.h"
-class ColorSpaceConversionEffect : public Effect {
+class ColorspaceConversionEffect : public Effect {
+private:
+ // Should not be instantiated by end users.
+ ColorspaceConversionEffect();
+ friend class EffectChain;
+
public:
- ColorSpaceConversionEffect();
+ virtual std::string effect_type_id() const { return "ColorspaceConversionEffect"; }
+ std::string output_fragment_shader();
+
+ virtual bool needs_srgb_primaries() const { return false; }
+ virtual AlphaHandling alpha_handling() const { return DONT_CARE_ALPHA_TYPE; }
private:
- ColorSpace source_space, destination_space;
+ Colorspace source_space, destination_space;
};
#endif // !defined(_COLORSPACE_CONVERSION_EFFECT_H)