Access to the number of samples in msaa.

include/openspace/rendering/abufferrenderer.h

@@ -75,6 +75,8 @@ public:
     void setGamma(const float gamma) override;
 
     float hdrBackground() const override;
+    const int nAaSamples() const override;
+    const float * mSSAPattern() const override;
 
     void preRaycast(const RaycasterTask& raycasterTask);
     void postRaycast(const RaycasterTask& raycasterTask);
@@ -95,6 +97,9 @@ private:
     void updateResolution();
     void updateRaycastData();
     void updateResolveDictionary();
+    void updateMSAASamplingPattern();
+    void saveTextureToMemory(const GLenum color_buffer_attachment,
+        const int width, const int height, float ** memory) const;
     
     Camera* _camera;
     Scene* _scene;
@@ -140,6 +145,8 @@ private:
     float _gamma;
     float _blackoutFactor;
 
+    float * _mSAAPattern;
+
     ghoul::Dictionary _rendererData;
 };
 

include/openspace/rendering/framebufferrenderer.h

@@ -73,8 +73,8 @@ public:
     void setGamma(const float gamma) override;
 
     float hdrBackground() const override;
-
-    const GLfloat * mSSAPattern() const;
+    const int nAaSamples() const override;
+    const float * mSSAPattern() const override;
 
     void update() override;
     void render(float blackoutFactor, bool doPerformanceMeasurements) override;
@@ -121,13 +121,12 @@ private:
     Camera* _camera;
     Scene* _scene;
     glm::vec2 _resolution;
-    std::vector<glm::vec2> _msaaSamplePattern;
     int _nAaSamples;
     float _hdrExposure;
     float _hdrBackground;
     float _gamma;
 
-    GLfloat * _mSAAPattern;
+    float * _mSAAPattern;
 
     ghoul::Dictionary _rendererData;
 };

include/openspace/rendering/renderer.h

@@ -61,6 +61,8 @@ public:
     virtual void setGamma(const float gamma) = 0;
 
     virtual float hdrBackground() const = 0;
+    virtual const int nAaSamples() const = 0;
+    virtual const float * mSSAPattern() const = 0;
 
     /**
     * Set raycasting uniforms on the program object, and setup raycasting.