Handle texture non-bounce a bit better.

[movit] / gamma_compression_effect.h

diff --git a/gamma_compression_effect.h b/gamma_compression_effect.h
index c494cd795b00ce5f5c20142a4ff4ea9ae879b7c1..83208cf0dcc44d77412c5a595f6cab9906b75e0a 100644 (file)
--- a/gamma_compression_effect.h
+++ b/gamma_compression_effect.h
@@ -5,14 +5,17 @@
 // typically inserted by the framework automatically at the end
 // of the processing chain.
 //
-// Currently supports sRGB and Rec. 601/709.
+// Currently supports sRGB, Rec. 601/709 and Rec. 2020 (10- and 12-bit).
+// Note that Movit's internal formats generally do not have enough accuracy
+// for 12-bit input or output.
 
+#include <GL/glew.h>
 #include <string>
 
 #include "effect.h"
 #include "image_format.h"
 
-#define COMPRESSION_CURVE_SIZE 4096
+namespace movit {
 
 class GammaCompressionEffect : public Effect {
 private:
@@ -23,6 +26,7 @@ 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; }
 
@@ -32,7 +36,8 @@ public:
 
 private:
        GammaCurve destination_curve;
-       float compression_curve[COMPRESSION_CURVE_SIZE];
 };
 
+}  // namespace movit
+
 #endif // !defined(_MOVIT_GAMMA_COMPRESSION_EFFECT_H)