Integrated support for GL_CLAMP_TO_BORDER_ARB extension to osg::Texture,

submitted by Sasa Bistrovic.
2002-02-27 22:00:47 +00:00
parent ea11548b7b
commit 3444c95261
2 changed files with 15 additions and 1 deletions
--- a/src/osg/Texture.cpp
+++ b/src/osg/Texture.cpp
@@ -275,6 +275,15 @@ void Texture::applyImmediateMode(State& state) const
            wt = CLAMP;
    }

+    static bool s_borderClampSupported = isGLExtensionSupported("GL_ARB_texture_border_clamp");
+    if(!s_borderClampSupported)
+    {
+        if(ws == CLAMP_TO_BORDER_ARB)
+            ws = CLAMP;
+        if(wt == CLAMP_TO_BORDER_ARB)
+            wt = CLAMP;
+    }
+
    glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, ws );
    glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, wt );