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/TimeUtils.cpp

@@ -0,0 +1,69 @@
+/*
+* 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.
+*/
+#include "TimeUtils.h"
+
+#ifdef _WIN32
+#include <windows.h>
+#include <time.h>
+#include <stdio.h>
+#elif defined(__linux__)
+#include <stdlib.h>
+#include <sys/time.h>
+#include <time.h>
+#include <unistd.h>
+#else
+#include <sys/time.h>
+#include <unistd.h>
+#endif
+
+long long GetCurrentTimeMS()
+{
+#ifdef _WIN32
+    static LARGE_INTEGER freq;
+    static bool bNotInit = true;
+    if ( bNotInit ) {
+        bNotInit = (QueryPerformanceFrequency( &freq ) == FALSE);
+    }
+    LARGE_INTEGER currVal;
+    QueryPerformanceCounter( &currVal );
+
+    return currVal.QuadPart / (freq.QuadPart / 1000);
+
+#elif defined(__linux__)
+
+    struct timespec now;
+    clock_gettime(CLOCK_MONOTONIC, &now);
+    long long iDiff = (now.tv_sec * 1000LL) + now.tv_nsec/1000000LL;
+    return iDiff;
+
+#else /* Others, e.g. OS X */
+
+    struct timeval now;
+    gettimeofday(&now, NULL);
+    long long iDiff = (now.tv_sec * 1000LL) + now.tv_usec/1000LL;
+    return iDiff;
+
+#endif
+}
+
+void TimeSleepMS(int p_mili)
+{
+#ifdef _WIN32
+    Sleep(p_mili);
+#else
+    usleep(p_mili * 1000);
+#endif
+}