X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Frenderbuffer.cpp;h=9d19e08b814c7b6976236e61ba2bb32c36f59e6c;hb=03de23d42e418f5d7d86c1fbe8665aef1f0a36bd;hp=17d36846e696cdccb36d4b5a28e14d2e301b6025;hpb=08e19bc2b4eba572bc7699378cf55cd8772ac67e;p=libs%2Fgl.git

diff --git a/source/renderbuffer.cpp b/source/renderbuffer.cpp
index 17d36846..9d19e08b 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;
@@ -38,6 +47,7 @@ void Renderbuffer::storage(PixelFormat fmt, unsigned wd, unsigned ht)
 void Renderbuffer::storage_multisample(unsigned samples, PixelFormat fmt, unsigned wd, unsigned ht)
 {
 	static Require _req(EXT_framebuffer_multisample);
+	fmt = normalize_format(fmt);
 	require_pixelformat(fmt);
 
 	width = wd;