Enable anisotropic filtering support on the D3D11 path.

TRAC #22504

Signed-off-by: Nicolas Capens
Signed-off-by: Shannon Woods
Author: Jamie Madill

git-svn-id: https://angleproject.googlecode.com/svn/branches/dx11proto@1873 736b8ea6-26fd-11df-bfd4-992fa37f6226
diff --git a/src/libGLESv2/renderer/Renderer11.cpp b/src/libGLESv2/renderer/Renderer11.cpp
index 12fcb7f..099d931 100644
--- a/src/libGLESv2/renderer/Renderer11.cpp
+++ b/src/libGLESv2/renderer/Renderer11.cpp
@@ -2001,16 +2001,21 @@
 
 bool Renderer11::getTextureFilterAnisotropySupport() const
 {
-    // TODO
-    // UNIMPLEMENTED();
-    return false;
+    return true;
 }
 
 float Renderer11::getTextureMaxAnisotropy() const
 {
-    // TODO
-    // UNIMPLEMENTED();
-    return 1.0f;
+    switch (mFeatureLevel)
+    {
+      case D3D_FEATURE_LEVEL_11_0:
+        return D3D11_MAX_MAXANISOTROPY;
+      case D3D_FEATURE_LEVEL_10_1:
+      case D3D_FEATURE_LEVEL_10_0:
+        return D3D10_MAX_MAXANISOTROPY;
+      default: UNREACHABLE();
+        return 0;
+    }
 }
 
 bool Renderer11::getEventQuerySupport()