Add a distclean target.

[movit] / gamma_expansion_effect.h

diff --git a/gamma_expansion_effect.h b/gamma_expansion_effect.h
index 79926176ddf21688b80a8739ed991ec701d00b81..cc65e4fa48924022cf5f3d05e70693cd06809b36 100644 (file)
--- a/gamma_expansion_effect.h
+++ b/gamma_expansion_effect.h
@@ -7,19 +7,30 @@
 //
 // Currently supports sRGB and Rec. 601/709.
 
+#include <string>
+
 #include "effect.h"
-#include "effect_chain.h"
+#include "image_format.h"
 
 #define EXPANSION_CURVE_SIZE 256
 
 class GammaExpansionEffect : public Effect {
-public:
+private:
+       // Should not be instantiated by end users.
        GammaExpansionEffect();
+       friend class EffectChain;
+
+public:
+       virtual std::string effect_type_id() const { return "GammaExpansionEffect"; }
        std::string output_fragment_shader();
 
        virtual bool needs_linear_light() const { return false; }
        virtual bool needs_srgb_primaries() const { return false; }
 
+       // Actually processes its input in a nonlinear fashion,
+       // but does not touch alpha, and we are a special case anyway.
+       virtual AlphaHandling alpha_handling() const { return DONT_CARE_ALPHA_TYPE; }
+
 private:
        GammaCurve source_curve;
        float expansion_curve[EXPANSION_CURVE_SIZE];