Don't advertise 10, 10, 10, 2 RGBA format

TRAC #11610

The color_ramp conformance test renders each colour and reads it back to verify it, but it uses ReadPixels with UNSIGNED_BYTE with does not have enough precision.

Signed-off-by: Shannon Woods
Signed-off-by: Daniel Koch

Author:    Andrew Lewycky

git-svn-id: https://angleproject.googlecode.com/svn/trunk@170 736b8ea6-26fd-11df-bfd4-992fa37f6226
diff --git a/src/libEGL/Display.cpp b/src/libEGL/Display.cpp
index 89eb585..0c30d6a 100644
--- a/src/libEGL/Display.cpp
+++ b/src/libEGL/Display.cpp
@@ -76,7 +76,7 @@
             const D3DFORMAT adapterFormats[] =
             {
                 D3DFMT_A1R5G5B5,
-                D3DFMT_A2R10G10B10,
+                //D3DFMT_A2R10G10B10, // The color_ramp conformance test uses ReadPixels with UNSIGNED_BYTE causing it to think that rendering skipped a colour value.
                 D3DFMT_A8R8G8B8,
                 D3DFMT_R5G6B5,
                 D3DFMT_X1R5G5B5,