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-rw-r--r--widget/gonk/nativewindow/GonkNativeWindowKK.cpp182
1 files changed, 182 insertions, 0 deletions
diff --git a/widget/gonk/nativewindow/GonkNativeWindowKK.cpp b/widget/gonk/nativewindow/GonkNativeWindowKK.cpp
new file mode 100644
index 000000000..cf34d6539
--- /dev/null
+++ b/widget/gonk/nativewindow/GonkNativeWindowKK.cpp
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+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ * Copyright (C) 2013 Mozilla Foundation
+ *
+ * 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_NDEBUG 0
+#define LOG_TAG "GonkNativeWindow"
+#define ATRACE_TAG ATRACE_TAG_GRAPHICS
+#include <utils/Log.h>
+
+#include "GonkNativeWindowKK.h"
+#include "GrallocImages.h"
+
+using namespace mozilla;
+using namespace mozilla::layers;
+
+namespace android {
+
+GonkNativeWindow::GonkNativeWindow(int bufferCount) :
+ GonkConsumerBase(new GonkBufferQueue(true), false),
+ mNewFrameCallback(nullptr)
+{
+ mConsumer->setMaxAcquiredBufferCount(bufferCount);
+}
+
+GonkNativeWindow::GonkNativeWindow(const sp<GonkBufferQueue>& bq,
+ uint32_t consumerUsage, int bufferCount, bool controlledByApp) :
+ GonkConsumerBase(bq, controlledByApp)
+{
+ mConsumer->setConsumerUsageBits(consumerUsage);
+ mConsumer->setMaxAcquiredBufferCount(bufferCount);
+}
+
+GonkNativeWindow::~GonkNativeWindow() {
+}
+
+void GonkNativeWindow::setName(const String8& name) {
+ Mutex::Autolock _l(mMutex);
+ mName = name;
+ mConsumer->setConsumerName(name);
+}
+
+status_t GonkNativeWindow::acquireBuffer(BufferItem *item,
+ nsecs_t presentWhen, bool waitForFence) {
+ status_t err;
+
+ if (!item) return BAD_VALUE;
+
+ Mutex::Autolock _l(mMutex);
+
+ err = acquireBufferLocked(item, presentWhen);
+ if (err != OK) {
+ if (err != NO_BUFFER_AVAILABLE) {
+ ALOGE("Error acquiring buffer: %s (%d)", strerror(err), err);
+ }
+ return err;
+ }
+
+ if (waitForFence) {
+ err = item->mFence->waitForever("GonkNativeWindow::acquireBuffer");
+ if (err != OK) {
+ ALOGE("Failed to wait for fence of acquired buffer: %s (%d)",
+ strerror(-err), err);
+ return err;
+ }
+ }
+
+ item->mGraphicBuffer = mSlots[item->mBuf].mGraphicBuffer;
+
+ return OK;
+}
+
+status_t GonkNativeWindow::releaseBuffer(const BufferItem &item,
+ const sp<Fence>& releaseFence) {
+ status_t err;
+
+ Mutex::Autolock _l(mMutex);
+
+ err = addReleaseFenceLocked(item.mBuf, item.mGraphicBuffer, releaseFence);
+
+ err = releaseBufferLocked(item.mBuf, item.mGraphicBuffer);
+ if (err != OK) {
+ ALOGE("Failed to release buffer: %s (%d)",
+ strerror(-err), err);
+ }
+ return err;
+}
+
+status_t GonkNativeWindow::setDefaultBufferSize(uint32_t w, uint32_t h) {
+ Mutex::Autolock _l(mMutex);
+ return mConsumer->setDefaultBufferSize(w, h);
+}
+
+status_t GonkNativeWindow::setDefaultBufferFormat(uint32_t defaultFormat) {
+ Mutex::Autolock _l(mMutex);
+ return mConsumer->setDefaultBufferFormat(defaultFormat);
+}
+
+already_AddRefed<TextureClient>
+GonkNativeWindow::getCurrentBuffer() {
+ Mutex::Autolock _l(mMutex);
+ BufferItem item;
+
+ // In asynchronous mode the list is guaranteed to be one buffer
+ // deep, while in synchronous mode we use the oldest buffer.
+ status_t err = acquireBufferLocked(&item, 0); //???
+ if (err != NO_ERROR) {
+ return NULL;
+ }
+
+ RefPtr<TextureClient> textureClient =
+ mConsumer->getTextureClientFromBuffer(item.mGraphicBuffer.get());
+ if (!textureClient) {
+ return NULL;
+ }
+ textureClient->SetRecycleCallback(GonkNativeWindow::RecycleCallback, this);
+ return textureClient.forget();
+}
+
+/* static */ void
+GonkNativeWindow::RecycleCallback(TextureClient* client, void* closure) {
+ GonkNativeWindow* nativeWindow =
+ static_cast<GonkNativeWindow*>(closure);
+
+ MOZ_ASSERT(client && !client->IsDead());
+ client->ClearRecycleCallback();
+ nativeWindow->returnBuffer(client);
+}
+
+void GonkNativeWindow::returnBuffer(TextureClient* client) {
+ ALOGD("GonkNativeWindow::returnBuffer");
+ Mutex::Autolock lock(mMutex);
+
+ int index = mConsumer->getSlotFromTextureClientLocked(client);
+ if (index < 0) {
+ }
+
+ FenceHandle handle = client->GetAndResetReleaseFenceHandle();
+ RefPtr<FenceHandle::FdObj> fdObj = handle.GetAndResetFdObj();
+ sp<Fence> fence = new Fence(fdObj->GetAndResetFd());
+
+ addReleaseFenceLocked(index,
+ mSlots[index].mGraphicBuffer,
+ fence);
+
+ releaseBufferLocked(index, mSlots[index].mGraphicBuffer);
+}
+
+already_AddRefed<TextureClient>
+GonkNativeWindow::getTextureClientFromBuffer(ANativeWindowBuffer* buffer) {
+ Mutex::Autolock lock(mMutex);
+ return mConsumer->getTextureClientFromBuffer(buffer);
+}
+
+void GonkNativeWindow::setNewFrameCallback(
+ GonkNativeWindowNewFrameCallback* callback) {
+ ALOGD("setNewFrameCallback");
+ Mutex::Autolock lock(mMutex);
+ mNewFrameCallback = callback;
+}
+
+void GonkNativeWindow::onFrameAvailable() {
+ GonkConsumerBase::onFrameAvailable();
+
+ if (mNewFrameCallback) {
+ mNewFrameCallback->OnNewFrame();
+ }
+}
+
+} // namespace android