X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;ds=sidebyside;f=source%2Fframebuffer.cpp;h=c90bb22469da6b7633ac405d1dc2884d85ef61aa;hb=bec07999d95b76f4b47cffcc564d0cd0afc0435e;hp=cf478ce29b686d842ce2074078952633b2e47b02;hpb=0e130c02d5e89397ac4963676534e0005359c61e;p=libs%2Fgl.git

diff --git a/source/framebuffer.cpp b/source/framebuffer.cpp
index cf478ce2..c90bb224 100644
--- a/source/framebuffer.cpp
+++ b/source/framebuffer.cpp
@@ -308,6 +308,11 @@ void Framebuffer::reset_viewport()
 	viewport(0, 0, width, height);
 }
 
+void Framebuffer::clear()
+{
+	clear(COLOR_BUFFER_BIT|DEPTH_BUFFER_BIT|STENCIL_BUFFER_BIT);
+}
+
 void Framebuffer::clear(BufferBits bits)
 {
 	BindRestore _bind(this);
@@ -355,6 +360,9 @@ void Framebuffer::blit_from(const Framebuffer &other, BufferBits bits, bool filt
 
 void Framebuffer::bind() const
 {
+	if(id && attachments.empty())
+		throw invalid_operation("Framebuffer::bind");
+
 	if(set_current(this))
 	{
 		glBindFramebuffer(GL_FRAMEBUFFER, id);