X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fext_framebuffer_blit.cpp;h=a198cdd176a55601834a78e8c22c1d87fcedf948;hb=e06ee659c66c92065dbd767475ac9bf9f0f14846;hp=613f514aacd15a6194ad2692525ccb714d3a80c3;hpb=7f888de83aa5398fafaa7661547ee80395377b5c;p=libs%2Fgl.git

diff --git a/source/ext_framebuffer_blit.cpp b/source/ext_framebuffer_blit.cpp
index 613f514a..a198cdd1 100644
--- a/source/ext_framebuffer_blit.cpp
+++ b/source/ext_framebuffer_blit.cpp
@@ -1,15 +1,26 @@
-#include "extension.h"
 #include "ext_framebuffer_blit.h"
 
 namespace Msp {
 namespace GL {
 
-PFNGLBLITFRAMEBUFFEREXTPROC glBlitFramebufferEXT=0;
+PFNGLBLITFRAMEBUFFERPROC glBlitFramebuffer = 0;
 
-void init_ext_framebuffer_blit()
+Extension::SupportLevel init_ext_framebuffer_blit()
 {
-	glBlitFramebufferEXT=reinterpret_cast<PFNGLBLITFRAMEBUFFEREXTPROC>(get_proc_address("glBlitFramebufferEXT"));
+	if(is_version_at_least(3, 0) || is_supported("GL_ARB_framebuffer_object"))
+	{
+		glBlitFramebuffer = reinterpret_cast<PFNGLBLITFRAMEBUFFERPROC>(get_proc_address("glBlitFramebuffer"));
+		return Extension::CORE;
+	}
+	if(is_supported("GL_EXT_framebuffer_blit"))
+	{
+		glBlitFramebuffer = reinterpret_cast<PFNGLBLITFRAMEBUFFERPROC>(get_proc_address("glBlitFramebufferEXT"));
+		return Extension::EXTENSION;
+	}
+	return Extension::UNSUPPORTED;
 }
 
+Extension EXT_framebuffer_blit("GL_EXT_framebuffer_blit", init_ext_framebuffer_blit);
+
 } // namespace GL
 } // namespace Msp