// Note that Movit's internal formats generally do not have enough accuracy
// for 12-bit input or output.
+#include <epoxy/gl.h>
#include <string>
#include "effect.h"
#include "image_format.h"
+namespace movit {
+
class GammaExpansionEffect : public Effect {
private:
// Should not be instantiated by end users.
virtual bool needs_linear_light() const { return false; }
virtual bool needs_srgb_primaries() const { return false; }
+ virtual bool one_to_one_sampling() const { return true; }
// Actually processes its input in a nonlinear fashion,
// but does not touch alpha, and we are a special case anyway.
private:
GammaCurve source_curve;
+ float uniform_linear_scale, uniform_c[5], uniform_beta;
};
+} // namespace movit
+
#endif // !defined(_MOVIT_GAMMA_EXPANSION_EFFECT_H)