X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fframebuffer.cpp;h=1c2ae519bade1ef1059df7ff1a43dbdd33a23440;hb=3a9ee749fbde41695d1b1a0804bbf63d76427b27;hp=f4e5a9445e0bce678292c6da327995daef70cc0a;hpb=e0a2e7643f490bee69dfada6b029c8e02e6ede07;p=libs%2Fgl.git

diff --git a/source/framebuffer.cpp b/source/framebuffer.cpp
index f4e5a944..1c2ae519 100644
--- a/source/framebuffer.cpp
+++ b/source/framebuffer.cpp
@@ -1,6 +1,7 @@
 #include <msp/gl/extensions/arb_draw_buffers.h>
 #include <msp/gl/extensions/ext_framebuffer_blit.h>
 #include <msp/gl/extensions/ext_framebuffer_object.h>
+#include <msp/gl/extensions/msp_draw_buffer.h>
 #include "error.h"
 #include "framebuffer.h"
 #include "misc.h"
@@ -115,10 +116,11 @@ void Framebuffer::update_attachment(unsigned mask) const
 		GLenum first_buffer = (color_bufs.empty() ? GL_NONE : color_bufs.front());
 		if(ARB_draw_buffers)
 			glDrawBuffers(color_bufs.size(), &color_bufs[0]);
-		else
+		else if(MSP_draw_buffer)
 			glDrawBuffer(first_buffer);
 
-		glReadBuffer(first_buffer);
+		if(MSP_draw_buffer)
+			glReadBuffer(first_buffer);
 	}
 	else
 		dirty |= mask;