X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=gamma_compression_effect.h;h=9094f1964acfd9e10e7fb9844b07965b5564c1be;hp=235850a9d75550d7adb5f144e977cc6ebfc8ebd4;hb=9527105a4958fa20f8d87d719a26b00cb000c0e8;hpb=93377952636717f15fd50961f6d3500861596cdc

diff --git a/gamma_compression_effect.h b/gamma_compression_effect.h
index 235850a..9094f19 100644
--- a/gamma_compression_effect.h
+++ b/gamma_compression_effect.h
@@ -9,12 +9,13 @@
 // 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:
@@ -23,18 +24,22 @@ private:
 	friend class EffectChain;
 
 public:
-	virtual std::string effect_type_id() const { return "GammaCompressionEffect"; }
-	std::string output_fragment_shader();
+	std::string effect_type_id() const override { return "GammaCompressionEffect"; }
+	std::string output_fragment_shader() override;
+	void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num) override;
 
-	virtual bool needs_srgb_primaries() const { return false; }
+	bool needs_srgb_primaries() const override { return false; }
+	bool strong_one_to_one_sampling() const override { return true; }
 
 	// Actually needs postmultiplied input as well as outputting it.
 	// EffectChain will take care of that.
-	virtual AlphaHandling alpha_handling() const { return OUTPUT_POSTMULTIPLIED_ALPHA; }
+	AlphaHandling alpha_handling() const override { return OUTPUT_POSTMULTIPLIED_ALPHA; }
 
 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)