X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fblend.cpp;h=cecd562dc1019f389e151049b94d4c01e55b2623;hp=03fc0f02baf32c917e1be36ad9ec33f7237f9233;hb=6afbace895a7bbcf216ab8e48280ea0303ab5892;hpb=485315ca65cb40f33253008a79b0933997bd74f5

diff --git a/source/blend.cpp b/source/blend.cpp
index 03fc0f02..cecd562d 100644
--- a/source/blend.cpp
+++ b/source/blend.cpp
@@ -1,6 +1,6 @@
 #include "blend.h"
-#include "extension.h"
-#include "version_1_2.h"
+#include "ext_blend_minmax.h"
+#include "ext_blend_subtract.h"
 
 namespace Msp {
 namespace GL {
@@ -22,8 +22,10 @@ Blend::Blend(BlendEquation e, BlendFactor sf, BlendFactor df):
 	src_factor(sf),
 	dst_factor(df)
 {
-	if(eq!=ADD)
-		static RequireVersion _ver(1, 2);
+	if(eq==MIN || eq==MAX)
+		static Require _req(EXT_blend_minmax);
+	else if(eq==SUBTRACT || eq==REVERSE_SUBTRACT)
+		static Require _req(EXT_blend_subtract);
 }
 
 void Blend::bind() const