Unify DrawProfiler/JankStats

Bug: 20822400

Change-Id: I24345c3120440bfce14e8cbe7e880b39f10b744a

1 files changed, 119 insertions, 0 deletions

diff --git a/libs/hwui/FrameInfoVisualizer.h b/libs/hwui/FrameInfoVisualizer.h
new file mode 100644
index 000000000000..f62e34dacbf4
--- /dev/null
+++ b/libs/hwui/FrameInfoVisualizer.h
@@ -0,0 +1,119 @@
+/*
+ * Copyright (C) 2014 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 DRAWPROFILER_H
+#define DRAWPROFILER_H
+
+#include "FrameInfo.h"
+#include "Properties.h"
+#include "Rect.h"
+#include "utils/RingBuffer.h"
+
+#include <utils/Timers.h>
+
+#include <memory>
+
+namespace android {
+namespace uirenderer {
+
+class OpenGLRenderer;
+
+// TODO: This is a bit awkward as it needs to match the thing in CanvasContext
+// A better abstraction here would be nice but iterators are painful
+// and RingBuffer having the size baked into the template is also painful
+// But making DrawProfiler also be templated is ALSO painful
+// At least this is a compile failure if this doesn't match, so there's that.
+typedef RingBuffer<FrameInfo, 120> FrameInfoSource;
+
+class FrameInfoVisualizer {
+public:
+    FrameInfoVisualizer(FrameInfoSource& source);
+    ~FrameInfoVisualizer();
+
+    bool consumeProperties();
+    void setDensity(float density);
+
+    void unionDirty(SkRect* dirty);
+    void draw(OpenGLRenderer* canvas);
+
+    void dumpData(int fd);
+
+private:
+    void createData();
+    void destroyData();
+
+    void addRect(Rect& r, float data, float* shapeOutput);
+    void prepareShapes(const int baseline);
+    void drawGraph(OpenGLRenderer* canvas);
+    void drawCurrentFrame(OpenGLRenderer* canvas);
+    void drawThreshold(OpenGLRenderer* canvas);
+
+    static inline float duration(nsecs_t start, nsecs_t end) {
+        float duration = ((end - start) * 0.000001f);
+        return duration > 0.0f ? duration : 0.0f;
+    }
+
+    inline float recordDuration(size_t index) {
+        return duration(
+                mFrameSource[index][FrameInfoIndex::kIntendedVsync],
+                mFrameSource[index][FrameInfoIndex::kSyncStart]);
+    }
+
+    inline float prepareDuration(size_t index) {
+        return duration(
+                mFrameSource[index][FrameInfoIndex::kSyncStart],
+                mFrameSource[index][FrameInfoIndex::kIssueDrawCommandsStart]);
+    }
+
+    inline float issueDrawDuration(size_t index) {
+        return duration(
+                mFrameSource[index][FrameInfoIndex::kIssueDrawCommandsStart],
+                mFrameSource[index][FrameInfoIndex::kSwapBuffers]);
+    }
+
+    inline float swapBuffersDuration(size_t index) {
+        return duration(
+                mFrameSource[index][FrameInfoIndex::kSwapBuffers],
+                mFrameSource[index][FrameInfoIndex::kFrameCompleted]);
+    }
+
+    ProfileType mType = ProfileType::None;
+    float mDensity = 0;
+
+    FrameInfoSource& mFrameSource;
+
+    int mVerticalUnit = 0;
+    int mHorizontalUnit = 0;
+    int mThresholdStroke = 0;
+
+    /*
+     * mRects represents an array of rect shapes, divided into NUM_ELEMENTS
+     * groups such that each group is drawn with the same paint.
+     * For example mRects[0] is the array of rect floats suitable for
+     * OpenGLRenderer:drawRects() that makes up all the FrameTimingData:record
+     * information.
+     */
+    std::unique_ptr<float*> mRects;
+
+    bool mShowDirtyRegions = false;
+    SkRect mDirtyRegion;
+    bool mFlashToggle = false;
+    nsecs_t mLastFrameLogged = 0;
+};
+
+} /* namespace uirenderer */
+} /* namespace android */
+
+#endif /* DRAWPROFILER_H */