diff options
author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
---|---|---|
committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /widget/gonk/nativewindow/GonkNativeWindowJB.h | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
download | UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip |
Add m-esr52 at 52.6.0
Diffstat (limited to 'widget/gonk/nativewindow/GonkNativeWindowJB.h')
-rw-r--r-- | widget/gonk/nativewindow/GonkNativeWindowJB.h | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/widget/gonk/nativewindow/GonkNativeWindowJB.h b/widget/gonk/nativewindow/GonkNativeWindowJB.h new file mode 100644 index 000000000..e63a7527d --- /dev/null +++ b/widget/gonk/nativewindow/GonkNativeWindowJB.h @@ -0,0 +1,133 @@ +/* + * 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. + */ + +#ifndef NATIVEWINDOW_GONKNATIVEWINDOW_JB_H +#define NATIVEWINDOW_GONKNATIVEWINDOW_JB_H + +#include <ui/GraphicBuffer.h> +#include <utils/String8.h> +#include <utils/Vector.h> +#include <utils/threads.h> + +#include "GonkConsumerBaseJB.h" +#include "GrallocImages.h" +#include "mozilla/layers/LayersSurfaces.h" + +namespace mozilla { +namespace layers { + class PGrallocBufferChild; +} +} + +namespace android { + +// The user of GonkNativeWindow who wants to receive notification of +// new frames should implement this interface. +class GonkNativeWindowNewFrameCallback { +public: + virtual void OnNewFrame() = 0; +}; + +/** + * GonkNativeWindow is a GonkBufferQueue consumer endpoint that allows clients + * access to the whole BufferItem entry from GonkBufferQueue. Multiple buffers may + * be acquired at once, to be used concurrently by the client. This consumer can + * operate either in synchronous or asynchronous mode. + */ +class GonkNativeWindow: public GonkConsumerBase +{ + typedef mozilla::layers::TextureClient TextureClient; + public: + typedef GonkConsumerBase::FrameAvailableListener FrameAvailableListener; + + typedef GonkBufferQueue::BufferItem BufferItem; + + enum { INVALID_BUFFER_SLOT = GonkBufferQueue::INVALID_BUFFER_SLOT }; + enum { NO_BUFFER_AVAILABLE = GonkBufferQueue::NO_BUFFER_AVAILABLE }; + + // Create a new buffer item consumer. The consumerUsage parameter determines + // the consumer usage flags passed to the graphics allocator. The + // bufferCount parameter specifies how many buffers can be locked for user + // access at the same time. + GonkNativeWindow(int bufferCount = GonkBufferQueue::MIN_UNDEQUEUED_BUFFERS); + + virtual ~GonkNativeWindow(); + + // set the name of the GonkNativeWindow that will be used to identify it in + // log messages. + void setName(const String8& name); + + // Gets the next graphics buffer from the producer, filling out the + // passed-in BufferItem structure. Returns NO_BUFFER_AVAILABLE if the queue + // of buffers is empty, and INVALID_OPERATION if the maximum number of + // buffers is already acquired. + // + // Only a fixed number of buffers can be acquired at a time, determined by + // the construction-time bufferCount parameter. If INVALID_OPERATION is + // returned by acquireBuffer, then old buffers must be returned to the + // queue by calling releaseBuffer before more buffers can be acquired. + // + // If waitForFence is true, and the acquired BufferItem has a valid fence object, + // acquireBuffer will wait on the fence with no timeout before returning. +#if ANDROID_VERSION >= 18 + status_t acquireBuffer(BufferItem *item, bool waitForFence = true); +#endif + // Returns an acquired buffer to the queue, allowing it to be reused. Since + // only a fixed number of buffers may be acquired at a time, old buffers + // must be released by calling releaseBuffer to ensure new buffers can be + // acquired by acquireBuffer. Once a BufferItem is released, the caller must + // not access any members of the BufferItem, and should immediately remove + // all of its references to the BufferItem itself. +#if ANDROID_VERSION >= 18 + status_t releaseBuffer(const BufferItem &item, + const sp<Fence>& releaseFence = Fence::NO_FENCE); +#endif + + sp<IGraphicBufferProducer> getProducerInterface() const { return getBufferQueue(); } + + // setDefaultBufferSize is used to set the size of buffers returned by + // requestBuffers when a with and height of zero is requested. + status_t setDefaultBufferSize(uint32_t w, uint32_t h); + + // setDefaultBufferFormat allows the BufferQueue to create + // GraphicBuffers of a defaultFormat if no format is specified + // in dequeueBuffer + status_t setDefaultBufferFormat(uint32_t defaultFormat); + + // Get next frame from the queue, caller owns the returned buffer. + already_AddRefed<TextureClient> getCurrentBuffer(); + + // Return the buffer to the queue and mark it as FREE. After that + // the buffer is useable again for the decoder. + void returnBuffer(TextureClient* client); + + already_AddRefed<TextureClient> getTextureClientFromBuffer(ANativeWindowBuffer* buffer); + + void setNewFrameCallback(GonkNativeWindowNewFrameCallback* callback); + + static void RecycleCallback(TextureClient* client, void* closure); + +protected: + virtual void onFrameAvailable(); + +private: + GonkNativeWindowNewFrameCallback* mNewFrameCallback; +}; + +} // namespace android + +#endif // NATIVEWINDOW_GONKNATIVEWINDOW_JB_H |