Don't promote packed RGB textures to RGBA d3d surfaces.

TRAC #21591
Issue=362

Signed-off-by: Daniel Koch

Author: Shannon Woods

git-svn-id: https://angleproject.googlecode.com/svn/trunk@1305 736b8ea6-26fd-11df-bfd4-992fa37f6226
diff --git a/src/libGLESv2/Texture.cpp b/src/libGLESv2/Texture.cpp
index beb4205..8f4488e 100644
--- a/src/libGLESv2/Texture.cpp
+++ b/src/libGLESv2/Texture.cpp
@@ -68,6 +68,7 @@
         }
         break;
       case GL_RGB8_OES:
+      case GL_RGB565:
         return D3DFMT_X8R8G8B8;
     }