]> git.tdb.fi Git - libs/gl.git/blobdiff - source/effects/ambientocclusion.h
Check the flat qualifier from the correct member
[libs/gl.git] / source / effects / ambientocclusion.h
index b0030c5917d56e0c785600d336517448bf0cb805..d055c6851e1aa362c4aaab1ea2fb8a3c91ef5662 100644 (file)
@@ -1,19 +1,17 @@
 #ifndef MSP_GL_AMBIENTOCCLUSION_H_
 #define MSP_GL_AMBIENTOCCLUSION_H_
 
-#include "framebuffer.h"
-#include "mesh.h"
 #include "postprocessor.h"
-#include "program.h"
 #include "programdata.h"
 #include "rendertarget.h"
-#include "texture2d.h"
 
 namespace Msp {
 namespace GL {
 
+class Program;
+
 /**
-Implements screen-space ambient occlusion.
+Darkens recessed areas of the scene to simulate the occlusion of ambient light.
 
 http://en.wikipedia.org/wiki/Screen_Space_Ambient_Occlusion
 */
@@ -28,31 +26,31 @@ public:
                        Loader(Template &);
                };
 
-               unsigned n_samples;
-               float occlusion_radius;
-               float darkness;
-               float edge_depth_threshold;
-
-               Template();
+               unsigned n_samples = 16;
+               float occlusion_radius = 0.5f;
+               float darkness = 1.0f;
+               float edge_depth_threshold = 0.1f;
 
                virtual AmbientOcclusion *create(unsigned, unsigned) const;
        };
 
 private:
-       Texture2D rotate_lookup;
+       const Texture2D &rotate_lookup;
        RenderTarget occlude_target;
        const Program &occlude_shader;
        const Program &combine_shader;
        mutable ProgramData shdata;
        const Mesh &quad;
        const Sampler &linear_sampler;
+       const Sampler &nearest_clamp_sampler;
        const Sampler &nearest_sampler;
 
 public:
-       AmbientOcclusion(unsigned, unsigned, float = 1.0f);
+       AmbientOcclusion(unsigned, unsigned);
 
 private:
-       static float random(unsigned &);
+       static const Texture2D &get_or_create_rotate_lookup();
+       static float radical_inverse(unsigned);
 
 public:
        void set_n_samples(unsigned);
@@ -62,6 +60,8 @@ public:
        void set_darkness(float);
 
        virtual void render(Renderer &, const Texture2D &, const Texture2D &);
+
+       virtual void set_debug_name(const std::string &);
 };
 
 } // namespace GL