1 files changed, 125 insertions, 0 deletions
diff --git a/libs/hwui/FrameInfo.h b/libs/hwui/FrameInfo.h
new file mode 100644
index 0000000..65daf03
--- /dev/null
+++ b/libs/hwui/FrameInfo.h
@@ -0,0 +1,125 @@
+/*
+ * Copyright (C) 2015 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 FRAMEINFO_H_
+#define FRAMEINFO_H_
+
+#include "utils/Macros.h"
+
+#include <cutils/compiler.h>
+#include <utils/Timers.h>
+
+#include <memory.h>
+
+namespace android {
+namespace uirenderer {
+
+#define UI_THREAD_FRAME_INFO_SIZE 9
+
+enum class FrameInfoIndex {
+    kFlags = 0,
+    kIntendedVsync,
+    kVsync,
+    kOldestInputEvent,
+    kNewestInputEvent,
+    kHandleInputStart,
+    kAnimationStart,
+    kPerformTraversalsStart,
+    kDrawStart,
+    // End of UI frame info
+
+    kSyncStart,
+    kIssueDrawCommandsStart,
+    kSwapBuffers,
+    kFrameCompleted,
+
+    // Must be the last value!
+    kNumIndexes
+};
+
+enum class FrameInfoFlags {
+    kWindowLayoutChanged = 1 << 0,
+    kRTAnimation = 1 << 1,
+    kSurfaceCanvas = 1 << 2,
+};
+MAKE_FLAGS_ENUM(FrameInfoFlags)
+
+class ANDROID_API UiFrameInfoBuilder {
+public:
+    UiFrameInfoBuilder(int64_t* buffer) : mBuffer(buffer) {
+        memset(mBuffer, 0, UI_THREAD_FRAME_INFO_SIZE * sizeof(int64_t));
+    }
+
+    UiFrameInfoBuilder& setVsync(nsecs_t vsyncTime, nsecs_t intendedVsync) {
+        set(FrameInfoIndex::kVsync) = vsyncTime;
+        set(FrameInfoIndex::kIntendedVsync) = intendedVsync;
+        return *this;
+    }
+
+    UiFrameInfoBuilder& addFlag(FrameInfoFlags flag) {
+        set(FrameInfoIndex::kFlags) |= static_cast<uint64_t>(flag);
+        return *this;
+    }
+
+private:
+    inline int64_t& set(FrameInfoIndex index) {
+        return mBuffer[static_cast<int>(index)];
+    }
+
+    int64_t* mBuffer;
+};
+
+class FrameInfo {
+public:
+    void importUiThreadInfo(int64_t* info);
+
+    void markSyncStart() {
+        set(FrameInfoIndex::kSyncStart) = systemTime(CLOCK_MONOTONIC);
+    }
+
+    void markIssueDrawCommandsStart() {
+        set(FrameInfoIndex::kIssueDrawCommandsStart) = systemTime(CLOCK_MONOTONIC);
+    }
+
+    void markSwapBuffers() {
+        set(FrameInfoIndex::kSwapBuffers) = systemTime(CLOCK_MONOTONIC);
+    }
+
+    void markFrameCompleted() {
+        set(FrameInfoIndex::kFrameCompleted) = systemTime(CLOCK_MONOTONIC);
+    }
+
+    int64_t operator[](FrameInfoIndex index) const {
+        if (index == FrameInfoIndex::kNumIndexes) return 0;
+        return mFrameInfo[static_cast<int>(index)];
+    }
+
+    int64_t operator[](int index) const {
+        if (index < 0 || index >= static_cast<int>(FrameInfoIndex::kNumIndexes)) return 0;
+        return mFrameInfo[index];
+    }
+
+private:
+    inline int64_t& set(FrameInfoIndex index) {
+        return mFrameInfo[static_cast<int>(index)];
+    }
+
+    int64_t mFrameInfo[static_cast<int>(FrameInfoIndex::kNumIndexes)];
+};
+
+} /* namespace uirenderer */
+} /* namespace android */
+
+#endif /* FRAMEINFO_H_ */