Multithreaded Surface Replayer that replays traces
Change-Id: Id8d17f74e00d4796e1ea266bdaf9e8dd0af6475b
diff --git a/cmds/surfacereplayer/replayer/BufferQueueScheduler.cpp b/cmds/surfacereplayer/replayer/BufferQueueScheduler.cpp
new file mode 100644
index 0000000..cad11a0
--- /dev/null
+++ b/cmds/surfacereplayer/replayer/BufferQueueScheduler.cpp
@@ -0,0 +1,106 @@
+/*
+ * Copyright 2016 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.
+ */
+#define LOG_TAG "BufferQueueScheduler"
+
+#include "BufferQueueScheduler.h"
+
+#include <android/native_window.h>
+#include <gui/Surface.h>
+
+using namespace android;
+
+BufferQueueScheduler::BufferQueueScheduler(
+ const sp<SurfaceControl>& surfaceControl, const RGB& color, int id)
+ : mSurfaceControl(surfaceControl), mColor(color), mSurfaceId(id), mContinueScheduling(true) {}
+
+void BufferQueueScheduler::startScheduling() {
+ ALOGV("Starting Scheduler for %d Layer", mSurfaceId);
+ std::unique_lock<std::mutex> lock(mMutex);
+ if (mSurfaceControl == nullptr) {
+ mCondition.wait(lock, [&] { return (mSurfaceControl != nullptr); });
+ }
+
+ while (mContinueScheduling) {
+ while (true) {
+ if (mBufferEvents.empty()) {
+ break;
+ }
+
+ BufferEvent event = mBufferEvents.front();
+ lock.unlock();
+
+ bufferUpdate(event.dimensions);
+ fillSurface(event.event);
+ lock.lock();
+ mBufferEvents.pop();
+ }
+ mCondition.wait(lock);
+ }
+}
+
+void BufferQueueScheduler::addEvent(const BufferEvent& event) {
+ std::lock_guard<std::mutex> lock(mMutex);
+ mBufferEvents.push(event);
+ mCondition.notify_one();
+}
+
+void BufferQueueScheduler::stopScheduling() {
+ std::lock_guard<std::mutex> lock(mMutex);
+ mContinueScheduling = false;
+ mCondition.notify_one();
+}
+
+void BufferQueueScheduler::setSurfaceControl(
+ const sp<SurfaceControl>& surfaceControl, const RGB& color) {
+ std::lock_guard<std::mutex> lock(mMutex);
+ mSurfaceControl = surfaceControl;
+ mColor = color;
+ mCondition.notify_one();
+}
+
+void BufferQueueScheduler::bufferUpdate(const Dimensions& dimensions) {
+ sp<Surface> s = mSurfaceControl->getSurface();
+ s->setBuffersDimensions(dimensions.width, dimensions.height);
+}
+
+void BufferQueueScheduler::fillSurface(std::shared_ptr<Event> event) {
+ ANativeWindow_Buffer outBuffer;
+ sp<Surface> s = mSurfaceControl->getSurface();
+
+ status_t status = s->lock(&outBuffer, nullptr);
+
+ if (status != NO_ERROR) {
+ ALOGE("fillSurface: failed to lock buffer, (%d)", status);
+ return;
+ }
+
+ auto img = reinterpret_cast<uint8_t*>(outBuffer.bits);
+ for (int y = 0; y < outBuffer.height; y++) {
+ for (int x = 0; x < outBuffer.width; x++) {
+ uint8_t* pixel = img + (4 * (y * outBuffer.stride + x));
+ pixel[0] = mColor.r;
+ pixel[1] = mColor.g;
+ pixel[2] = mColor.b;
+ pixel[3] = LAYER_ALPHA;
+ }
+ }
+
+ event->readyToExecute();
+
+ status = s->unlockAndPost();
+
+ ALOGE_IF(status != NO_ERROR, "fillSurface: failed to unlock and post buffer, (%d)", status);
+}