X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fpostprocessor.h;h=15cdc271149265e171da1b2cdf4ef6ce6a3b842d;hb=4fe225bf15048fcb7a678370f87d09f2de37031a;hp=0666dd46c9cf2eb23e7bc4568cdea889fbf5c484;hpb=904de4f7fd994886adbd3a6c03bc1b7c14ebc562;p=libs%2Fgl.git

diff --git a/source/postprocessor.h b/source/postprocessor.h
index 0666dd46..15cdc271 100644
--- a/source/postprocessor.h
+++ b/source/postprocessor.h
@@ -5,6 +5,7 @@ namespace Msp {
 namespace GL {
 
 class Mesh;
+class Renderer;
 class Shader;
 class Texture2D;
 
@@ -21,13 +22,17 @@ public:
 	virtual ~PostProcessor() { }
 
 	/// Renders the effect.
-	virtual void render(const Texture2D &color, const Texture2D &depth) = 0;
+	virtual void render(const Texture2D &, const Texture2D &) { }
+
+	virtual void render(Renderer &, 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. */
+	a fragment shader to access textures.
+	
+	Deprecated in favor of the builtin postprocess.glsl module. */
 	static Shader &get_fullscreen_vertex_shader();
 
 	/** Returns a mesh consisting of a single quad, covering the entire screen.