add tools/Vulkan-Tools

1 files changed, 68 insertions, 0 deletions

diff --git a/tools/Vulkan-Tools/cube/gettime.h b/tools/Vulkan-Tools/cube/gettime.h
new file mode 100644
index 00000000..0a697b42
--- /dev/null
+++ b/tools/Vulkan-Tools/cube/gettime.h
@@ -0,0 +1,68 @@
+/**************************************************************************
+ *
+ * Copyright 2014, 2017 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.
+ *
+ * Ported from drawElements Utility Library (Google, Inc.)
+ * Port done by: Ian Elliott <ianelliott@google.com>
+ **************************************************************************/
+
+#include <time.h>
+#include <assert.h>
+#include <vulkan/vk_platform.h>
+
+#if defined(_WIN32)
+
+#include <windows.h>
+
+#elif defined(__unix__) || defined(__linux) || defined(__linux__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__ANDROID__) || defined(__EPOC32__) || defined(__QNX__) || defined(__APPLE__)
+
+#include <time.h>
+
+#endif
+
+uint64_t getTimeInNanoseconds(void) {
+    const long long ns_in_us = 1000;
+    const long long ns_in_ms = 1000 * ns_in_us;
+    const long long ns_in_s = 1000 * ns_in_ms;
+#if defined(_WIN32)
+    LARGE_INTEGER freq;
+    LARGE_INTEGER count;
+    QueryPerformanceCounter(&count);
+    QueryPerformanceFrequency(&freq);
+    assert(freq.LowPart != 0 || freq.HighPart != 0);
+
+    if (count.QuadPart < MAXLONGLONG / ns_in_s) {
+        assert(freq.QuadPart != 0);
+        return count.QuadPart * ns_in_s / freq.QuadPart;
+    } else {
+        assert(freq.QuadPart >= ns_in_s);
+        return count.QuadPart / (freq.QuadPart / ns_in_s);
+    }
+
+#elif defined(__unix__) || defined(__linux) || defined(__linux__) || defined(__ANDROID__) || defined(__QNX__) || defined(__APPLE__)
+    struct timespec currTime;
+    clock_gettime(CLOCK_MONOTONIC, &currTime);
+    return (uint64_t)currTime.tv_sec * ns_in_s + (uint64_t)currTime.tv_nsec;
+
+#elif defined(__EPOC32__)
+    struct timespec currTime;
+    /* Symbian supports only realtime clock for clock_gettime. */
+    clock_gettime(CLOCK_REALTIME, &currTime);
+    return (uint64_t)currTime.tv_sec * ns_in_s + (uint64_t)currTime.tv_nsec;
+
+#else
+#error getTimeInNanoseconds Not implemented for target OS
+#endif
+}