X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fpostprocessor.h;h=c107d885f658e028522fdb0fe463bbd755d60d1d;hp=ffc9045dbed954119262218441eba1cc6e32e66f;hb=bec07999d95b76f4b47cffcc564d0cd0afc0435e;hpb=e55f79ccb21e8c1be3d86f127e3ec1583e58ce92

diff --git a/source/postprocessor.h b/source/postprocessor.h
index ffc9045d..c107d885 100644
--- a/source/postprocessor.h
+++ b/source/postprocessor.h
@@ -1,10 +1,14 @@
 #ifndef MSP_GL_POSTPROCESSOR_H_
 #define MSP_GL_POSTPROCESSOR_H_
 
+#include <msp/datafile/objectloader.h>
+
 namespace Msp {
 namespace GL {
 
 class Mesh;
+class Renderer;
+class Sampler;
 class Shader;
 class Texture2D;
 
@@ -15,29 +19,45 @@ process.
 */
 class PostProcessor
 {
+public:
+	struct Template
+	{
+		class Loader: public Msp::DataFile::ObjectLoader<Template>
+		{
+		public:
+			Loader(Template &);
+		};
+
+		unsigned size_divisor;
+
+		Template();
+		virtual ~Template() { }
+
+		virtual PostProcessor *create(unsigned, unsigned) const = 0;
+	};
+
+private:
+	static WeakPtr<Mesh> fullscreen_quad;
+	static WeakPtr<Sampler> nearest_sampler;
+	static WeakPtr<Sampler> linear_sampler;
+
 protected:
 	PostProcessor() { }
 public:
 	virtual ~PostProcessor() { }
 
 	/// Renders the effect.
-	virtual void render(const Texture2D &color, const Texture2D &depth) = 0;
+	virtual void render(const Texture2D &, const Texture2D &) { }
 
-protected:
-	/** Returns a vertex shader suitable for rendering a full-screen quad.
-	Input vertices are assumed to be in normalized device coordinates; no
-	transform is performed.  The shader provides a varying vec2 texcoord for
-	a fragment shader to access textures.
-	
-	Deprecated in favor of the builtin postprocess.glsl module. */
-	static Shader &get_fullscreen_vertex_shader();
+	virtual void render(Renderer &, const Texture2D &, const Texture2D &);
 
+protected:
 	/** Returns a mesh consisting of a single quad, covering the entire screen.
 	The vertices are in normalized device coordinates. */
-	static const Mesh &get_fullscreen_quad();
+	static RefPtr<Mesh> get_fullscreen_quad();
 
-private:
-	static const Mesh &create_fullscreen_quad();
+	static RefPtr<Sampler> get_nearest_sampler();
+	static RefPtr<Sampler> get_linear_sampler();
 };
 
 } // namespace GL