X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fcore%2Fframeformat.cpp;h=f56d13a68b27db15bd98c9fb97fa5e187bd23fe6;hb=1fba50491957cdd28cff4082a32764691d8ec473;hp=3b114e7f2f0ebd01da02ea39ce5edd72f64e2be8;hpb=0d5406c66549a2cfc2fca701cc1c4972e7fd493a;p=libs%2Fgl.git

diff --git a/source/core/frameformat.cpp b/source/core/frameformat.cpp
index 3b114e7f..f56d13a6 100644
--- a/source/core/frameformat.cpp
+++ b/source/core/frameformat.cpp
@@ -133,5 +133,20 @@ GLenum get_gl_attachment(FrameAttachment fa)
 		return GL_COLOR_ATTACHMENT0+get_attach_point(fa);
 }
 
+GLenum get_gl_buffer_bits(const FrameFormat &format)
+{
+	GLenum bits = 0;
+	for(FrameAttachment a: format)
+	{
+		if(get_attach_point(a)==get_attach_point(DEPTH_ATTACHMENT))
+			bits |= GL_DEPTH_BUFFER_BIT;
+		else if(get_attach_point(a)==get_attach_point(STENCIL_ATTACHMENT))
+			bits |= GL_STENCIL_BUFFER_BIT;
+		else
+			bits |= GL_COLOR_BUFFER_BIT;
+	}
+	return bits;
+}
+
 } // namespace GL
 } // namespace Msp