X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fpostprocessor.h;h=15cdc271149265e171da1b2cdf4ef6ce6a3b842d;hb=0807680edd94a7f14560831db4dd52e4e48d0d19;hp=d9489de2c65999a73644df932fe17c26f442d519;hpb=afd943c2bf1dd289565be557fa778248fee54247;p=libs%2Fgl.git

diff --git a/source/postprocessor.h b/source/postprocessor.h
index d9489de2..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 fullscreen quad.  Input
-	vertices are assumed to be in normalized device coordinates; no transform is
-	done.  The shader provides a varying vec2 texcoord for fragment a shader to
-	access textures. */
+	/** 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();
 
 	/** Returns a mesh consisting of a single quad, covering the entire screen.