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
@@ -0,0 +1,182 @@
+/*
+ * 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