Color blend options may not be used for SrcBlendAlpha and DestBlendAlpha in D3D11.

TRAC #22365

Author: Shannon Woods
Signed-off-by: Geoff Lang
Signed-off-by: Daniel Koch

git-svn-id: https://angleproject.googlecode.com/svn/branches/dx11proto@1685 736b8ea6-26fd-11df-bfd4-992fa37f6226
diff --git a/src/libGLESv2/renderer/renderer11_utils.h b/src/libGLESv2/renderer/renderer11_utils.h
index 4fc55a8..774068e 100644
--- a/src/libGLESv2/renderer/renderer11_utils.h
+++ b/src/libGLESv2/renderer/renderer11_utils.h
@@ -17,7 +17,7 @@
 namespace gl_d3d11
 {
 
-D3D11_BLEND ConvertBlendFunc(GLenum glBlend);
+D3D11_BLEND ConvertBlendFunc(GLenum glBlend, bool isAlpha);
 D3D11_BLEND_OP ConvertBlendOp(GLenum glBlendOp);
 UINT8 ConvertColorMask(bool maskRed, bool maskGreen, bool maskBlue, bool maskAlpha);