X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fframebuffer.cpp;h=f4e5a9445e0bce678292c6da327995daef70cc0a;hp=8c618ce51b7112ba96f4332cb1e08de683744397;hb=e0a2e7643f490bee69dfada6b029c8e02e6ede07;hpb=9fff9eb832db3b64416ae49bbdc826f33e3ceb19

diff --git a/source/framebuffer.cpp b/source/framebuffer.cpp
index 8c618ce5..f4e5a944 100644
--- a/source/framebuffer.cpp
+++ b/source/framebuffer.cpp
@@ -109,22 +109,16 @@ void Framebuffer::update_attachment(unsigned mask) const
 				color_bufs.push_back(attch.attachment);
 		}
 
-		if(color_bufs.empty())
-		{
-			glDrawBuffer(GL_NONE);
-			glReadBuffer(GL_NONE);
-		}
-		else if(color_bufs.size()==1)
-		{
-			glDrawBuffer(color_bufs.front());
-			glReadBuffer(color_bufs.front());
-		}
-		else
-		{
+		if(color_bufs.size()>1)
 			static Require _req(ARB_draw_buffers);
+
+		GLenum first_buffer = (color_bufs.empty() ? GL_NONE : color_bufs.front());
+		if(ARB_draw_buffers)
 			glDrawBuffers(color_bufs.size(), &color_bufs[0]);
-			glReadBuffer(color_bufs.front());
-		}
+		else
+			glDrawBuffer(first_buffer);
+
+		glReadBuffer(first_buffer);
 	}
 	else
 		dirty |= mask;