X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fext_framebuffer_blit.cpp;h=6fec8a6861916bcbe4651e390d8491bf8493fa2f;hb=a3d248c7db9f04919ed5e4053f6e2a2f776cec47;hp=7519e13cf24e3663870b22c24c7711fab9f89094;hpb=4acc43935d3b19bae688e89ed42119e326a26f2d;p=libs%2Fgl.git

diff --git a/source/ext_framebuffer_blit.cpp b/source/ext_framebuffer_blit.cpp
index 7519e13c..6fec8a68 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;
+PFNGLBLITFRAMEBUFFEREXTPROC 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<PFNGLBLITFRAMEBUFFEREXTPROC>(get_proc_address("glBlitFramebuffer"));
+		return Extension::CORE;
+	}
+	if(is_supported("GL_EXT_framebuffer_blit"))
+	{
+		glBlitFramebuffer = reinterpret_cast<PFNGLBLITFRAMEBUFFEREXTPROC>(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