X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;ds=sidebyside;f=source%2Fframebuffer.h;h=e25967aca41ddfd6b29bfa6aae211e473e1807f2;hb=fe5bf090db687ef1dd1084218156bcbc0b801081;hp=236d29e6a3dd65a8fddcf3bdc567b92530b80c21;hpb=0778636782c7c42564bfea87d56fc76c583a888e;p=libs%2Fgl.git

diff --git a/source/framebuffer.h b/source/framebuffer.h
index 236d29e6..e25967ac 100644
--- a/source/framebuffer.h
+++ b/source/framebuffer.h
@@ -57,6 +57,13 @@ enum RWBuffer
 	FRONT_AND_BACK = GL_FRONT_AND_BACK
 };
 
+class framebuffer_incomplete: public std::runtime_error
+{
+public:
+	framebuffer_incomplete(FramebufferStatus);
+	virtual ~framebuffer_incomplete() throw() { }
+};
+
 /**
 Framebuffer objects can be used to perform offscreen rendering.  The most
 common application is rendering to a texture, which can then be used for
@@ -119,6 +126,10 @@ public:
 	or one of the error status codes otherwise. */
 	FramebufferStatus check_status() const;
 
+	/** Ensures that the framebuffer is complete, throwing an exception if it
+	isn't. */
+	void require_complete() const;
+
 	void clear(BufferBits);
 
 	/** Blits a region from another framebuffer into this one.  If the source