X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Frenderbuffer.cpp;h=f146a915d64d27c213ef42b192068e4c8d14cd56;hb=ff46db8939d1763eab5bbb4dca711d635fdb5f23;hp=17d36846e696cdccb36d4b5a28e14d2e301b6025;hpb=08e19bc2b4eba572bc7699378cf55cd8772ac67e;p=libs%2Fgl.git

diff --git a/source/renderbuffer.cpp b/source/renderbuffer.cpp
index 17d36846..f146a915 100644
--- a/source/renderbuffer.cpp
+++ b/source/renderbuffer.cpp
@@ -21,8 +21,17 @@ Renderbuffer::~Renderbuffer()
 	glDeleteRenderbuffers(1, &id);
 }
 
+PixelFormat Renderbuffer::normalize_format(PixelFormat fmt)
+{
+	if(!get_component_size(fmt) && OES_required_internalformat)
+		return get_default_sized_pixelformat(fmt);
+
+	return fmt;
+}
+
 void Renderbuffer::storage(PixelFormat fmt, unsigned wd, unsigned ht)
 {
+	fmt = normalize_format(fmt);
 	require_pixelformat(fmt);
 	width = wd;
 	height = ht;
@@ -37,7 +46,11 @@ void Renderbuffer::storage(PixelFormat fmt, unsigned wd, unsigned ht)
 
 void Renderbuffer::storage_multisample(unsigned samples, PixelFormat fmt, unsigned wd, unsigned ht)
 {
+	if(!samples)
+		return storage(fmt, wd, ht);
+
 	static Require _req(EXT_framebuffer_multisample);
+	fmt = normalize_format(fmt);
 	require_pixelformat(fmt);
 
 	width = wd;