X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Feffects%2Fpostprocessor.h;h=02d9d17a6f104d3672dc152849eced83f5ca9adf;hb=6d2e2a0bb28496a8c25b441009bdd2a1a1e72d81;hp=aba1b0e641ae2838a1e64d4a3d81ec834c55586d;hpb=1863f17c5c5563be8492d7f01e5c613a740ea1e9;p=libs%2Fgl.git

diff --git a/source/effects/postprocessor.h b/source/effects/postprocessor.h
index aba1b0e6..02d9d17a 100644
--- a/source/effects/postprocessor.h
+++ b/source/effects/postprocessor.h
@@ -9,17 +9,20 @@ namespace GL {
 class Mesh;
 class Renderer;
 class Sampler;
-class Shader;
 class Texture2D;
 
 /**
-Base class for post-processing effects.  Post-processors receive the contents
-of the entire framebuffer as a texture and render it back, altering it in the
-process.
+Base class for post-processing effects.
+
+PostProcessors can be added to a Sequence.  They receive the contents of the
+entire framebuffer as a texture and render it back, altering it in the process.
 */
 class PostProcessor
 {
 public:
+	/**
+	Holds the parameters for a PostProcessor.  Used with SequenceTemplate.
+	*/
 	struct Template
 	{
 		class Loader: public Msp::DataFile::ObjectLoader<Template>
@@ -28,10 +31,9 @@ public:
 			Loader(Template &);
 		};
 
-		unsigned size_divisor;
+		unsigned size_divisor = 1;
 
-		Template();
-		virtual ~Template() { }
+		virtual ~Template() = default;
 
 		virtual PostProcessor *create(unsigned, unsigned) const = 0;
 	};
@@ -41,10 +43,7 @@ protected:
 public:
 	virtual ~PostProcessor() { }
 
-	/// Renders the effect.
-	virtual void render(const Texture2D &, const Texture2D &) { }
-
-	virtual void render(Renderer &, const Texture2D &, const Texture2D &);
+	virtual void render(Renderer &, const Texture2D &, const Texture2D &) = 0;
 
 	virtual void set_debug_name(const std::string &) = 0;
 };