diff --git a/stepmania/src/RageDisplay.cpp b/stepmania/src/RageDisplay.cpp
index 4fe0895d90..b604f15ddd 100644
--- a/stepmania/src/RageDisplay.cpp
+++ b/stepmania/src/RageDisplay.cpp
@@ -809,7 +809,7 @@ void RageDisplay::SetTextureModeModulate()
  * available pre-OpenGL 1.4. */
 void RageDisplay::SetBlendMode(int src, int dst)
 {
-	glBlendFunc( src, dst );
+	glBlendFunc( GLenum(src), GLenum(dst) );
 }
 
 void RageDisplay::SetTextureModeGlow()
@@ -821,15 +821,15 @@ void RageDisplay::SetTextureModeGlow()
 
 	/* Source color is the diffuse color only: */
 	glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT);
-	glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, GL_REPLACE);
-	glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_EXT, GL_PRIMARY_COLOR_EXT);
+	glTexEnvi(GL_TEXTURE_ENV, GLenum(GL_COMBINE_RGB_EXT), GL_REPLACE);
+	glTexEnvi(GL_TEXTURE_ENV, GLenum(GL_SOURCE0_RGB_EXT), GL_PRIMARY_COLOR_EXT);
 
 	/* Source alpha is texture alpha * diffuse alpha: */
-	glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_MODULATE);
-	glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA_EXT, GL_SRC_ALPHA);
-	glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, GL_PRIMARY_COLOR_EXT);
-	glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_ALPHA_EXT, GL_SRC_ALPHA);
-	glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_ALPHA_EXT, GL_TEXTURE);
+	glTexEnvi(GL_TEXTURE_ENV, GLenum(GL_COMBINE_ALPHA_EXT), GL_MODULATE);
+	glTexEnvi(GL_TEXTURE_ENV, GLenum(GL_OPERAND0_ALPHA_EXT), GL_SRC_ALPHA);
+	glTexEnvi(GL_TEXTURE_ENV, GLenum(GL_SOURCE0_ALPHA_EXT), GL_PRIMARY_COLOR_EXT);
+	glTexEnvi(GL_TEXTURE_ENV, GLenum(GL_OPERAND1_ALPHA_EXT), GL_SRC_ALPHA);
+	glTexEnvi(GL_TEXTURE_ENV, GLenum(GL_SOURCE1_ALPHA_EXT), GL_TEXTURE);
 }
 
 void RageDisplay::SetBlendModeNormal()