Refactoring: Rename SurfaceTextureClient to Surface
Change-Id: Ibed34175ae273608393aaa5f0a7df207dc40d709
diff --git a/include/gui/IGraphicBufferProducer.h b/include/gui/IGraphicBufferProducer.h
index f230b8d..a3e258d 100644
--- a/include/gui/IGraphicBufferProducer.h
+++ b/include/gui/IGraphicBufferProducer.h
@@ -32,14 +32,14 @@
namespace android {
// ----------------------------------------------------------------------------
-class SurfaceTextureClient;
+class Surface;
/*
* This class defines the Binder IPC interface for the producer side of
* a queue of graphics buffers. It's used to send graphics data from one
* component to another. For example, a class that decodes video for
* playback might use this to provide frames. This is typically done
- * indirectly, through SurfaceTextureClient.
+ * indirectly, through Surface.
*
* The underlying mechanism is a BufferQueue, which implements
* BnGraphicBufferProducer. In normal operation, the producer calls
diff --git a/include/gui/Surface.h b/include/gui/Surface.h
index ec75d4e..4300a0f 100644
--- a/include/gui/Surface.h
+++ b/include/gui/Surface.h
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2007 The Android Open Source Project
+ * Copyright (C) 2010 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.
@@ -17,155 +17,224 @@
#ifndef ANDROID_GUI_SURFACE_H
#define ANDROID_GUI_SURFACE_H
-#include <stdint.h>
-#include <sys/types.h>
+#include <gui/IGraphicBufferProducer.h>
+#include <gui/GLConsumer.h>
+#include <gui/BufferQueue.h>
-#include <utils/KeyedVector.h>
-#include <utils/RefBase.h>
-#include <utils/threads.h>
-
-#include <ui/PixelFormat.h>
+#include <ui/ANativeObjectBase.h>
#include <ui/Region.h>
-#include <gui/SurfaceTextureClient.h>
-#include <gui/ISurface.h>
-#include <gui/ISurfaceComposerClient.h>
+#include <utils/RefBase.h>
+#include <utils/threads.h>
+#include <utils/KeyedVector.h>
+
+struct ANativeWindow_Buffer;
namespace android {
-// ---------------------------------------------------------------------------
-
-class IGraphicBufferProducer;
-class Surface;
-class SurfaceComposerClient;
-
-// ---------------------------------------------------------------------------
-
-class SurfaceControl : public RefBase
+/*
+ * An implementation of ANativeWindow that feeds graphics buffers into a
+ * BufferQueue.
+ *
+ * This is typically used by programs that want to render frames through
+ * some means (maybe OpenGL, a software renderer, or a hardware decoder)
+ * and have the frames they create forwarded to SurfaceFlinger for
+ * compositing. For example, a video decoder could render a frame and call
+ * eglSwapBuffers(), which invokes ANativeWindow callbacks defined by
+ * Surface. Surface then forwards the buffers through Binder IPC
+ * to the BufferQueue's producer interface, providing the new frame to a
+ * consumer such as GLConsumer.
+ */
+class Surface
+ : public ANativeObjectBase<ANativeWindow, Surface, RefBase>
{
public:
- static bool isValid(const sp<SurfaceControl>& surface) {
- return (surface != 0) && surface->isValid();
- }
- bool isValid() {
- return mSurface!=0 && mClient!=0;
- }
- static bool isSameSurface(
- const sp<SurfaceControl>& lhs, const sp<SurfaceControl>& rhs);
-
- // release surface data from java
- void clear();
-
- status_t setLayerStack(int32_t layerStack);
- status_t setLayer(int32_t layer);
- status_t setPosition(int32_t x, int32_t y);
- status_t setSize(uint32_t w, uint32_t h);
- status_t hide();
- status_t show();
- status_t setFlags(uint32_t flags, uint32_t mask);
- status_t setTransparentRegionHint(const Region& transparent);
- status_t setAlpha(float alpha=1.0f);
- status_t setMatrix(float dsdx, float dtdx, float dsdy, float dtdy);
- status_t setCrop(const Rect& crop);
- static status_t writeSurfaceToParcel(
- const sp<SurfaceControl>& control, Parcel* parcel);
+ Surface(const sp<IGraphicBufferProducer>& bufferProducer);
- sp<Surface> getSurface() const;
+ sp<IGraphicBufferProducer> getIGraphicBufferProducer() const;
+
+ static status_t writeToParcel(const sp<Surface>& surface, Parcel* parcel);
+ static sp<Surface> readFromParcel(const Parcel& data);
+
+ // FIXME: temporary for source compatibility...
+ sp<IGraphicBufferProducer> getISurfaceTexture() const {
+ return getIGraphicBufferProducer();
+ }
+
+protected:
+ Surface();
+ virtual ~Surface();
+ void setIGraphicBufferProducer(const sp<IGraphicBufferProducer>& bufferProducer);
private:
// can't be copied
- SurfaceControl& operator = (SurfaceControl& rhs);
- SurfaceControl(const SurfaceControl& rhs);
+ Surface& operator = (const Surface& rhs);
+ Surface(const Surface& rhs);
+ void init();
- friend class SurfaceComposerClient;
- friend class Surface;
+ // ANativeWindow hooks
+ static int hook_cancelBuffer(ANativeWindow* window,
+ ANativeWindowBuffer* buffer, int fenceFd);
+ static int hook_dequeueBuffer(ANativeWindow* window,
+ ANativeWindowBuffer** buffer, int* fenceFd);
+ static int hook_perform(ANativeWindow* window, int operation, ...);
+ static int hook_query(const ANativeWindow* window, int what, int* value);
+ static int hook_queueBuffer(ANativeWindow* window,
+ ANativeWindowBuffer* buffer, int fenceFd);
+ static int hook_setSwapInterval(ANativeWindow* window, int interval);
- SurfaceControl(
- const sp<SurfaceComposerClient>& client,
- const sp<ISurface>& surface);
+ static int hook_cancelBuffer_DEPRECATED(ANativeWindow* window,
+ ANativeWindowBuffer* buffer);
+ static int hook_dequeueBuffer_DEPRECATED(ANativeWindow* window,
+ ANativeWindowBuffer** buffer);
+ static int hook_lockBuffer_DEPRECATED(ANativeWindow* window,
+ ANativeWindowBuffer* buffer);
+ static int hook_queueBuffer_DEPRECATED(ANativeWindow* window,
+ ANativeWindowBuffer* buffer);
- ~SurfaceControl();
+ int dispatchConnect(va_list args);
+ int dispatchDisconnect(va_list args);
+ int dispatchSetBufferCount(va_list args);
+ int dispatchSetBuffersGeometry(va_list args);
+ int dispatchSetBuffersDimensions(va_list args);
+ int dispatchSetBuffersUserDimensions(va_list args);
+ int dispatchSetBuffersFormat(va_list args);
+ int dispatchSetScalingMode(va_list args);
+ int dispatchSetBuffersTransform(va_list args);
+ int dispatchSetBuffersTimestamp(va_list args);
+ int dispatchSetCrop(va_list args);
+ int dispatchSetPostTransformCrop(va_list args);
+ int dispatchSetUsage(va_list args);
+ int dispatchLock(va_list args);
+ int dispatchUnlockAndPost(va_list args);
- status_t validate() const;
- void destroy();
-
- sp<SurfaceComposerClient> mClient;
- sp<IBinder> mSurface;
- mutable Mutex mLock;
- mutable sp<Surface> mSurfaceData;
-};
-
-// ---------------------------------------------------------------------------
+protected:
+ virtual int dequeueBuffer(ANativeWindowBuffer** buffer, int* fenceFd);
+ virtual int cancelBuffer(ANativeWindowBuffer* buffer, int fenceFd);
+ virtual int queueBuffer(ANativeWindowBuffer* buffer, int fenceFd);
+ virtual int perform(int operation, va_list args);
+ virtual int query(int what, int* value) const;
+ virtual int setSwapInterval(int interval);
-/*
- * This is a small wrapper around SurfaceTextureClient.
- *
- * TODO: rename and/or merge with STC.
- */
-class Surface : public SurfaceTextureClient
-{
+ virtual int lockBuffer_DEPRECATED(ANativeWindowBuffer* buffer);
+
+ virtual int connect(int api);
+ virtual int disconnect(int api);
+ virtual int setBufferCount(int bufferCount);
+ virtual int setBuffersDimensions(int w, int h);
+ virtual int setBuffersUserDimensions(int w, int h);
+ virtual int setBuffersFormat(int format);
+ virtual int setScalingMode(int mode);
+ virtual int setBuffersTransform(int transform);
+ virtual int setBuffersTimestamp(int64_t timestamp);
+ virtual int setCrop(Rect const* rect);
+ virtual int setUsage(uint32_t reqUsage);
+
public:
- struct SurfaceInfo {
- uint32_t w;
- uint32_t h;
- uint32_t s;
- uint32_t usage;
- PixelFormat format;
- void* bits;
- uint32_t reserved[2];
+ virtual int lock(ANativeWindow_Buffer* outBuffer, ARect* inOutDirtyBounds);
+ virtual int unlockAndPost();
+
+protected:
+ enum { NUM_BUFFER_SLOTS = BufferQueue::NUM_BUFFER_SLOTS };
+ enum { DEFAULT_FORMAT = PIXEL_FORMAT_RGBA_8888 };
+
+private:
+ void freeAllBuffers();
+ int getSlotFromBufferLocked(android_native_buffer_t* buffer) const;
+
+ struct BufferSlot {
+ sp<GraphicBuffer> buffer;
+ Region dirtyRegion;
};
- explicit Surface(const sp<IGraphicBufferProducer>& bp);
+ // mSurfaceTexture is the interface to the surface texture server. All
+ // operations on the surface texture client ultimately translate into
+ // interactions with the server using this interface.
+ // TODO: rename to mBufferProducer
+ sp<IGraphicBufferProducer> mGraphicBufferProducer;
- static status_t writeToParcel(const sp<Surface>& control, Parcel* parcel);
+ // mSlots stores the buffers that have been allocated for each buffer slot.
+ // It is initialized to null pointers, and gets filled in with the result of
+ // IGraphicBufferProducer::requestBuffer when the client dequeues a buffer from a
+ // slot that has not yet been used. The buffer allocated to a slot will also
+ // be replaced if the requested buffer usage or geometry differs from that
+ // of the buffer allocated to a slot.
+ BufferSlot mSlots[NUM_BUFFER_SLOTS];
- static sp<Surface> readFromParcel(const Parcel& data);
- static bool isValid(const sp<Surface>& surface) {
- return (surface != 0) && surface->isValid();
- }
+ // mReqWidth is the buffer width that will be requested at the next dequeue
+ // operation. It is initialized to 1.
+ uint32_t mReqWidth;
- bool isValid();
- uint32_t getIdentity() const { return mIdentity; }
- sp<IGraphicBufferProducer> getSurfaceTexture(); // TODO: rename this
+ // mReqHeight is the buffer height that will be requested at the next
+ // dequeue operation. It is initialized to 1.
+ uint32_t mReqHeight;
- // the lock/unlock APIs must be used from the same thread
- status_t lock(SurfaceInfo* info, Region* dirty = NULL);
- status_t unlockAndPost();
+ // mReqFormat is the buffer pixel format that will be requested at the next
+ // deuque operation. It is initialized to PIXEL_FORMAT_RGBA_8888.
+ uint32_t mReqFormat;
- sp<IBinder> asBinder() const;
+ // mReqUsage is the set of buffer usage flags that will be requested
+ // at the next deuque operation. It is initialized to 0.
+ uint32_t mReqUsage;
-private:
- // this is just to be able to write some unit tests
- friend class Test;
- friend class SurfaceControl;
+ // mTimestamp is the timestamp that will be used for the next buffer queue
+ // operation. It defaults to NATIVE_WINDOW_TIMESTAMP_AUTO, which means that
+ // a timestamp is auto-generated when queueBuffer is called.
+ int64_t mTimestamp;
- // can't be copied
- Surface& operator = (Surface& rhs);
- Surface(const Surface& rhs);
+ // mCrop is the crop rectangle that will be used for the next buffer
+ // that gets queued. It is set by calling setCrop.
+ Rect mCrop;
- explicit Surface(const sp<SurfaceControl>& control);
- Surface(const Parcel& data, const sp<IBinder>& ref);
- ~Surface();
+ // mScalingMode is the scaling mode that will be used for the next
+ // buffers that get queued. It is set by calling setScalingMode.
+ int mScalingMode;
- /*
- * private stuff...
- */
- void init(const sp<IGraphicBufferProducer>& bufferProducer);
+ // mTransform is the transform identifier that will be used for the next
+ // buffer that gets queued. It is set by calling setTransform.
+ uint32_t mTransform;
- static void cleanCachedSurfacesLocked();
+ // mDefaultWidth is default width of the buffers, regardless of the
+ // native_window_set_buffers_dimensions call.
+ uint32_t mDefaultWidth;
- virtual int query(int what, int* value) const;
+ // mDefaultHeight is default height of the buffers, regardless of the
+ // native_window_set_buffers_dimensions call.
+ uint32_t mDefaultHeight;
- // constants
- sp<ISurface> mSurface;
- uint32_t mIdentity;
+ // mUserWidth, if non-zero, is an application-specified override
+ // of mDefaultWidth. This is lower priority than the width set by
+ // native_window_set_buffers_dimensions.
+ uint32_t mUserWidth;
- // A cache of Surface objects that have been deserialized into this process.
- static Mutex sCachedSurfacesLock;
- static DefaultKeyedVector<wp<IBinder>, wp<Surface> > sCachedSurfaces;
+ // mUserHeight, if non-zero, is an application-specified override
+ // of mDefaultHeight. This is lower priority than the height set
+ // by native_window_set_buffers_dimensions.
+ uint32_t mUserHeight;
+
+ // mTransformHint is the transform probably applied to buffers of this
+ // window. this is only a hint, actual transform may differ.
+ uint32_t mTransformHint;
+
+ // mConsumerRunningBehind whether the consumer is running more than
+ // one buffer behind the producer.
+ mutable bool mConsumerRunningBehind;
+
+ // mMutex is the mutex used to prevent concurrent access to the member
+ // variables of Surface objects. It must be locked whenever the
+ // member variables are accessed.
+ mutable Mutex mMutex;
+
+ // must be used from the lock/unlock thread
+ sp<GraphicBuffer> mLockedBuffer;
+ sp<GraphicBuffer> mPostedBuffer;
+ bool mConnectedToCpu;
+
+ // must be accessed from lock/unlock thread only
+ Region mDirtyRegion;
};
}; // namespace android
-#endif // ANDROID_GUI_SURFACE_H
+#endif // ANDROID_GUI_SURFACE_H
diff --git a/include/gui/SurfaceComposerClient.h b/include/gui/SurfaceComposerClient.h
index e0761b9..9e4d6fc 100644
--- a/include/gui/SurfaceComposerClient.h
+++ b/include/gui/SurfaceComposerClient.h
@@ -30,7 +30,7 @@
#include <ui/PixelFormat.h>
-#include <gui/Surface.h>
+#include <gui/SurfaceControl.h>
namespace android {
diff --git a/include/gui/SurfaceControl.h b/include/gui/SurfaceControl.h
new file mode 100644
index 0000000..f70888d
--- /dev/null
+++ b/include/gui/SurfaceControl.h
@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2007 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 ANDROID_GUI_SURFACE_CONTROL_H
+#define ANDROID_GUI_SURFACE_CONTROL_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/KeyedVector.h>
+#include <utils/RefBase.h>
+#include <utils/threads.h>
+
+#include <ui/PixelFormat.h>
+#include <ui/Region.h>
+
+#include <gui/ISurface.h>
+#include <gui/ISurfaceComposerClient.h>
+
+namespace android {
+
+// ---------------------------------------------------------------------------
+
+class IGraphicBufferProducer;
+class Surface;
+class SurfaceComposerClient;
+
+// ---------------------------------------------------------------------------
+
+class SurfaceControl : public RefBase
+{
+public:
+ static bool isValid(const sp<SurfaceControl>& surface) {
+ return (surface != 0) && surface->isValid();
+ }
+ bool isValid() {
+ return mSurface!=0 && mClient!=0;
+ }
+ static bool isSameSurface(
+ const sp<SurfaceControl>& lhs, const sp<SurfaceControl>& rhs);
+
+ // release surface data from java
+ void clear();
+
+ status_t setLayerStack(int32_t layerStack);
+ status_t setLayer(int32_t layer);
+ status_t setPosition(int32_t x, int32_t y);
+ status_t setSize(uint32_t w, uint32_t h);
+ status_t hide();
+ status_t show();
+ status_t setFlags(uint32_t flags, uint32_t mask);
+ status_t setTransparentRegionHint(const Region& transparent);
+ status_t setAlpha(float alpha=1.0f);
+ status_t setMatrix(float dsdx, float dtdx, float dsdy, float dtdy);
+ status_t setCrop(const Rect& crop);
+
+ static status_t writeSurfaceToParcel(
+ const sp<SurfaceControl>& control, Parcel* parcel);
+
+ sp<Surface> getSurface() const;
+
+private:
+ // can't be copied
+ SurfaceControl& operator = (SurfaceControl& rhs);
+ SurfaceControl(const SurfaceControl& rhs);
+
+ friend class SurfaceComposerClient;
+ friend class Surface;
+
+ SurfaceControl(
+ const sp<SurfaceComposerClient>& client,
+ const sp<ISurface>& surface);
+
+ ~SurfaceControl();
+
+ status_t validate() const;
+ void destroy();
+
+ sp<SurfaceComposerClient> mClient;
+ sp<IBinder> mSurface;
+ sp<IGraphicBufferProducer> mGraphicBufferProducer;
+ mutable Mutex mLock;
+ mutable sp<Surface> mSurfaceData;
+};
+
+}; // namespace android
+
+#endif // ANDROID_GUI_SURFACE_CONTROL_H
diff --git a/include/gui/SurfaceTextureClient.h b/include/gui/SurfaceTextureClient.h
deleted file mode 100644
index 6f09821..0000000
--- a/include/gui/SurfaceTextureClient.h
+++ /dev/null
@@ -1,234 +0,0 @@
-/*
- * Copyright (C) 2010 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 ANDROID_GUI_SURFACETEXTURECLIENT_H
-#define ANDROID_GUI_SURFACETEXTURECLIENT_H
-
-#include <gui/IGraphicBufferProducer.h>
-#include <gui/GLConsumer.h>
-#include <gui/BufferQueue.h>
-
-#include <ui/ANativeObjectBase.h>
-#include <ui/Region.h>
-
-#include <utils/RefBase.h>
-#include <utils/threads.h>
-#include <utils/KeyedVector.h>
-
-struct ANativeWindow_Buffer;
-
-namespace android {
-
-class Surface;
-
-/*
- * An implementation of ANativeWindow that feeds graphics buffers into a
- * BufferQueue.
- *
- * This is typically used by programs that want to render frames through
- * some means (maybe OpenGL, a software renderer, or a hardware decoder)
- * and have the frames they create forwarded to SurfaceFlinger for
- * compositing. For example, a video decoder could render a frame and call
- * eglSwapBuffers(), which invokes ANativeWindow callbacks defined by
- * SurfaceTextureClient. STC then forwards the buffers through Binder IPC
- * to the BufferQueue's producer interface, providing the new frame to a
- * consumer such as GLConsumer.
- *
- * TODO: rename to Surface after merging or renaming the existing Surface
- * class.
- */
-class SurfaceTextureClient
- : public ANativeObjectBase<ANativeWindow, SurfaceTextureClient, RefBase>
-{
-public:
-
- SurfaceTextureClient(const sp<IGraphicBufferProducer>& bufferProducer);
-
- sp<IGraphicBufferProducer> getISurfaceTexture() const; // TODO: rename
-
-protected:
- SurfaceTextureClient();
- virtual ~SurfaceTextureClient();
- void setISurfaceTexture(const sp<IGraphicBufferProducer>& bufferProducer);
-
-private:
- // can't be copied
- SurfaceTextureClient& operator = (const SurfaceTextureClient& rhs);
- SurfaceTextureClient(const SurfaceTextureClient& rhs);
- void init();
-
- // ANativeWindow hooks
- static int hook_cancelBuffer(ANativeWindow* window,
- ANativeWindowBuffer* buffer, int fenceFd);
- static int hook_dequeueBuffer(ANativeWindow* window,
- ANativeWindowBuffer** buffer, int* fenceFd);
- static int hook_perform(ANativeWindow* window, int operation, ...);
- static int hook_query(const ANativeWindow* window, int what, int* value);
- static int hook_queueBuffer(ANativeWindow* window,
- ANativeWindowBuffer* buffer, int fenceFd);
- static int hook_setSwapInterval(ANativeWindow* window, int interval);
-
- static int hook_cancelBuffer_DEPRECATED(ANativeWindow* window,
- ANativeWindowBuffer* buffer);
- static int hook_dequeueBuffer_DEPRECATED(ANativeWindow* window,
- ANativeWindowBuffer** buffer);
- static int hook_lockBuffer_DEPRECATED(ANativeWindow* window,
- ANativeWindowBuffer* buffer);
- static int hook_queueBuffer_DEPRECATED(ANativeWindow* window,
- ANativeWindowBuffer* buffer);
-
- int dispatchConnect(va_list args);
- int dispatchDisconnect(va_list args);
- int dispatchSetBufferCount(va_list args);
- int dispatchSetBuffersGeometry(va_list args);
- int dispatchSetBuffersDimensions(va_list args);
- int dispatchSetBuffersUserDimensions(va_list args);
- int dispatchSetBuffersFormat(va_list args);
- int dispatchSetScalingMode(va_list args);
- int dispatchSetBuffersTransform(va_list args);
- int dispatchSetBuffersTimestamp(va_list args);
- int dispatchSetCrop(va_list args);
- int dispatchSetPostTransformCrop(va_list args);
- int dispatchSetUsage(va_list args);
- int dispatchLock(va_list args);
- int dispatchUnlockAndPost(va_list args);
-
-protected:
- virtual int dequeueBuffer(ANativeWindowBuffer** buffer, int* fenceFd);
- virtual int cancelBuffer(ANativeWindowBuffer* buffer, int fenceFd);
- virtual int queueBuffer(ANativeWindowBuffer* buffer, int fenceFd);
- virtual int perform(int operation, va_list args);
- virtual int query(int what, int* value) const;
- virtual int setSwapInterval(int interval);
-
- virtual int lockBuffer_DEPRECATED(ANativeWindowBuffer* buffer);
-
- virtual int connect(int api);
- virtual int disconnect(int api);
- virtual int setBufferCount(int bufferCount);
- virtual int setBuffersDimensions(int w, int h);
- virtual int setBuffersUserDimensions(int w, int h);
- virtual int setBuffersFormat(int format);
- virtual int setScalingMode(int mode);
- virtual int setBuffersTransform(int transform);
- virtual int setBuffersTimestamp(int64_t timestamp);
- virtual int setCrop(Rect const* rect);
- virtual int setUsage(uint32_t reqUsage);
- virtual int lock(ANativeWindow_Buffer* outBuffer, ARect* inOutDirtyBounds);
- virtual int unlockAndPost();
-
- enum { NUM_BUFFER_SLOTS = BufferQueue::NUM_BUFFER_SLOTS };
- enum { DEFAULT_FORMAT = PIXEL_FORMAT_RGBA_8888 };
-
-private:
- void freeAllBuffers();
- int getSlotFromBufferLocked(android_native_buffer_t* buffer) const;
-
- struct BufferSlot {
- sp<GraphicBuffer> buffer;
- Region dirtyRegion;
- };
-
- // mSurfaceTexture is the interface to the surface texture server. All
- // operations on the surface texture client ultimately translate into
- // interactions with the server using this interface.
- // TODO: rename to mBufferProducer
- sp<IGraphicBufferProducer> mSurfaceTexture;
-
- // mSlots stores the buffers that have been allocated for each buffer slot.
- // It is initialized to null pointers, and gets filled in with the result of
- // IGraphicBufferProducer::requestBuffer when the client dequeues a buffer from a
- // slot that has not yet been used. The buffer allocated to a slot will also
- // be replaced if the requested buffer usage or geometry differs from that
- // of the buffer allocated to a slot.
- BufferSlot mSlots[NUM_BUFFER_SLOTS];
-
- // mReqWidth is the buffer width that will be requested at the next dequeue
- // operation. It is initialized to 1.
- uint32_t mReqWidth;
-
- // mReqHeight is the buffer height that will be requested at the next
- // dequeue operation. It is initialized to 1.
- uint32_t mReqHeight;
-
- // mReqFormat is the buffer pixel format that will be requested at the next
- // deuque operation. It is initialized to PIXEL_FORMAT_RGBA_8888.
- uint32_t mReqFormat;
-
- // mReqUsage is the set of buffer usage flags that will be requested
- // at the next deuque operation. It is initialized to 0.
- uint32_t mReqUsage;
-
- // mTimestamp is the timestamp that will be used for the next buffer queue
- // operation. It defaults to NATIVE_WINDOW_TIMESTAMP_AUTO, which means that
- // a timestamp is auto-generated when queueBuffer is called.
- int64_t mTimestamp;
-
- // mCrop is the crop rectangle that will be used for the next buffer
- // that gets queued. It is set by calling setCrop.
- Rect mCrop;
-
- // mScalingMode is the scaling mode that will be used for the next
- // buffers that get queued. It is set by calling setScalingMode.
- int mScalingMode;
-
- // mTransform is the transform identifier that will be used for the next
- // buffer that gets queued. It is set by calling setTransform.
- uint32_t mTransform;
-
- // mDefaultWidth is default width of the buffers, regardless of the
- // native_window_set_buffers_dimensions call.
- uint32_t mDefaultWidth;
-
- // mDefaultHeight is default height of the buffers, regardless of the
- // native_window_set_buffers_dimensions call.
- uint32_t mDefaultHeight;
-
- // mUserWidth, if non-zero, is an application-specified override
- // of mDefaultWidth. This is lower priority than the width set by
- // native_window_set_buffers_dimensions.
- uint32_t mUserWidth;
-
- // mUserHeight, if non-zero, is an application-specified override
- // of mDefaultHeight. This is lower priority than the height set
- // by native_window_set_buffers_dimensions.
- uint32_t mUserHeight;
-
- // mTransformHint is the transform probably applied to buffers of this
- // window. this is only a hint, actual transform may differ.
- uint32_t mTransformHint;
-
- // mConsumerRunningBehind whether the consumer is running more than
- // one buffer behind the producer.
- mutable bool mConsumerRunningBehind;
-
- // mMutex is the mutex used to prevent concurrent access to the member
- // variables of SurfaceTextureClient objects. It must be locked whenever the
- // member variables are accessed.
- mutable Mutex mMutex;
-
- // must be used from the lock/unlock thread
- sp<GraphicBuffer> mLockedBuffer;
- sp<GraphicBuffer> mPostedBuffer;
- bool mConnectedToCpu;
-
- // must be accessed from lock/unlock thread only
- Region mDirtyRegion;
-};
-
-}; // namespace android
-
-#endif // ANDROID_GUI_SURFACETEXTURECLIENT_H