emulator: opengl: Back-port GLES emulation from the master tree.

The modules here are only built when BUILD_EMULATOR_OPENGL is defined to true
in your environment or your BoardConfig.mk (see tools/emulator/opengl/Android.mk)

Change-Id: I5f32c35b4452fb5a7b4d5f9fc5870ec1da6032e6

tools/emulator/opengl/shared/OpenglCodecCommon/ErrorLog.h

@@ -0,0 +1,37 @@
+/*
+* Copyright (C) 2011 The Android Open Source Project
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+#ifndef _ERROR_LOG_H_
+#define _ERROR_LOG_H_
+
+#if (HAVE_ANDROID_OS == 1)
+#    include <cutils/log.h>
+#    define ERR(...)    LOGE(__VA_ARGS__)
+#    ifdef EMUGL_DEBUG
+#        define DBG(...)    LOGD(__VA_ARGS__)
+#    else
+#        define DBG(...)    ((void)0)
+#    endif
+#else
+#     include <stdio.h>
+#    define ERR(...)    fprintf(stderr, __VA_ARGS__)
+#    ifdef EMUGL_DEBUG
+#        define DBG(...)    fprintf(stderr, __VA_ARGS__)
+#    else
+#        define DBG(...)    ((void)0)
+#    endif
+#endif
+
+#endif