move lock/unlock implementaion outside of Surface into SurfaceTextureClient
This makes ANativeWindow_lock/ANativeWindow_unlockAndPost work
with ANativeWindows implemented by Surface and SurfaceTextureClient.
Also, Surface now inherits directly from SurfaceTextureClient.
Bug: 5003724
Change-Id: I9f285877c7bae9a262e9a7af91c2bae78804b2ef
diff --git a/include/gui/SurfaceTextureClient.h b/include/gui/SurfaceTextureClient.h
index 5ec469e..cfe2aa1 100644
--- a/include/gui/SurfaceTextureClient.h
+++ b/include/gui/SurfaceTextureClient.h
@@ -21,6 +21,7 @@
#include <gui/SurfaceTexture.h>
#include <ui/egl/android_natives.h>
+#include <ui/Region.h>
#include <utils/RefBase.h>
#include <utils/threads.h>
@@ -37,29 +38,24 @@
sp<ISurfaceTexture> getISurfaceTexture() const;
-private:
- friend class Surface;
+protected:
+ SurfaceTextureClient();
+ void setISurfaceTexture(const sp<ISurfaceTexture>& surfaceTexture);
+private:
// can't be copied
SurfaceTextureClient& operator = (const SurfaceTextureClient& rhs);
SurfaceTextureClient(const SurfaceTextureClient& rhs);
+ void init();
// ANativeWindow hooks
- static int cancelBuffer(ANativeWindow* window, ANativeWindowBuffer* buffer);
- static int dequeueBuffer(ANativeWindow* window, ANativeWindowBuffer** buffer);
- static int lockBuffer(ANativeWindow* window, ANativeWindowBuffer* buffer);
- static int perform(ANativeWindow* window, int operation, ...);
- static int query(const ANativeWindow* window, int what, int* value);
- static int queueBuffer(ANativeWindow* window, ANativeWindowBuffer* buffer);
- static int setSwapInterval(ANativeWindow* window, int interval);
-
- int cancelBuffer(ANativeWindowBuffer* buffer);
- int dequeueBuffer(ANativeWindowBuffer** buffer);
- int lockBuffer(ANativeWindowBuffer* buffer);
- int perform(int operation, va_list args);
- int query(int what, int* value) const;
- int queueBuffer(ANativeWindowBuffer* buffer);
- int setSwapInterval(int interval);
+ static int hook_cancelBuffer(ANativeWindow* window, ANativeWindowBuffer* buffer);
+ static int hook_dequeueBuffer(ANativeWindow* window, ANativeWindowBuffer** buffer);
+ static int hook_lockBuffer(ANativeWindow* window, ANativeWindowBuffer* buffer);
+ 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);
+ static int hook_setSwapInterval(ANativeWindow* window, int interval);
int dispatchConnect(va_list args);
int dispatchDisconnect(va_list args);
@@ -71,26 +67,38 @@
int dispatchSetBuffersTimestamp(va_list args);
int dispatchSetCrop(va_list args);
int dispatchSetUsage(va_list args);
+ int dispatchLock(va_list args);
+ int dispatchUnlockAndPost(va_list args);
- int connect(int api);
- int disconnect(int api);
- int setBufferCount(int bufferCount);
- int setBuffersDimensions(int w, int h);
- int setBuffersFormat(int format);
- int setBuffersTransform(int transform);
- int setBuffersTimestamp(int64_t timestamp);
- int setCrop(Rect const* rect);
- int setUsage(uint32_t reqUsage);
+protected:
+ virtual int cancelBuffer(ANativeWindowBuffer* buffer);
+ virtual int dequeueBuffer(ANativeWindowBuffer** buffer);
+ virtual int lockBuffer(ANativeWindowBuffer* buffer);
+ virtual int perform(int operation, va_list args);
+ virtual int query(int what, int* value) const;
+ virtual int queueBuffer(ANativeWindowBuffer* buffer);
+ virtual int setSwapInterval(int interval);
- void freeAllBuffers();
- int getSlotFromBufferLocked(android_native_buffer_t* buffer) const;
-
- int getConnectedApi() const;
+ virtual int connect(int api);
+ virtual int disconnect(int api);
+ virtual int setBufferCount(int bufferCount);
+ virtual int setBuffersDimensions(int w, int h);
+ virtual int setBuffersFormat(int format);
+ 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 { MIN_UNDEQUEUED_BUFFERS = SurfaceTexture::MIN_UNDEQUEUED_BUFFERS };
enum { NUM_BUFFER_SLOTS = SurfaceTexture::NUM_BUFFER_SLOTS };
enum { DEFAULT_FORMAT = PIXEL_FORMAT_RGBA_8888 };
+private:
+ void freeAllBuffers();
+ int getSlotFromBufferLocked(android_native_buffer_t* buffer) const;
+
// 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.
@@ -145,6 +153,12 @@
// variables of SurfaceTexture 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;
+ mutable Region mOldDirtyRegion;
+ bool mConnectedToCpu;
};
}; // namespace android