Add support for GL_EXT_color_buffer_float.

TRAC #23794

Signed-off-by: Jamie Madill
Signed-off-by: Shannon Woods
diff --git a/src/libGLESv2/Context.cpp b/src/libGLESv2/Context.cpp
index 7b1008e..6cf1704 100644
--- a/src/libGLESv2/Context.cpp
+++ b/src/libGLESv2/Context.cpp
@@ -3612,6 +3612,11 @@
         }
     }
 
+    if (mClientVersion == 3)
+    {
+        mExtensionStringList.push_back("GL_EXT_color_buffer_float");
+    }
+
     // Join the extension strings to one long string for use with GetString
     std::stringstream strstr;
     for (unsigned int extensionIndex = 0; extensionIndex < mExtensionStringList.size(); extensionIndex++)