X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fext_framebuffer_blit.cpp;h=a198cdd176a55601834a78e8c22c1d87fcedf948;hp=7519e13cf24e3663870b22c24c7711fab9f89094;hb=6afbace895a7bbcf216ab8e48280ea0303ab5892;hpb=485315ca65cb40f33253008a79b0933997bd74f5

diff --git a/source/ext_framebuffer_blit.cpp b/source/ext_framebuffer_blit.cpp
index 7519e13c..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