// 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"
-#define COMPRESSION_CURVE_SIZE 4096
+namespace movit {
class GammaCompressionEffect : public Effect {
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; }
+ virtual bool one_to_one_sampling() const { return true; }
// Actually needs postmultiplied input as well as outputting it.
// EffectChain will take care of that.
private:
GammaCurve destination_curve;
- float compression_curve[COMPRESSION_CURVE_SIZE];
+ float uniform_linear_scale, uniform_c[5], uniform_beta;
};
+} // namespace movit
+
#endif // !defined(_MOVIT_GAMMA_COMPRESSION_EFFECT_H)