SurfaceTexture: add the abandon method.
This change adds the 'abandon' method to the SurfaceTexture C++ class.
This method may be used to put the SurfaceTexture in an abandoned state,
causing all ISurfaceTexture methods to fail.
Change-Id: Ibd261f7b73f44e2bec36a8508bf92113cfb7cf95
diff --git a/libs/gui/ISurfaceTexture.cpp b/libs/gui/ISurfaceTexture.cpp
index c9c7397..55246dc 100644
--- a/libs/gui/ISurfaceTexture.cpp
+++ b/libs/gui/ISurfaceTexture.cpp
@@ -54,18 +54,18 @@
{
}
- virtual sp<GraphicBuffer> requestBuffer(int bufferIdx) {
+ virtual status_t requestBuffer(int bufferIdx, sp<GraphicBuffer>* buf) {
Parcel data, reply;
data.writeInterfaceToken(ISurfaceTexture::getInterfaceDescriptor());
data.writeInt32(bufferIdx);
remote()->transact(REQUEST_BUFFER, data, &reply);
- sp<GraphicBuffer> buffer;
bool nonNull = reply.readInt32();
if (nonNull) {
- buffer = new GraphicBuffer();
- reply.read(*buffer);
+ *buf = new GraphicBuffer();
+ reply.read(**buf);
}
- return buffer;
+ status_t result = reply.readInt32();
+ return result;
}
virtual status_t setBufferCount(int bufferCount)
@@ -192,11 +192,13 @@
case REQUEST_BUFFER: {
CHECK_INTERFACE(ISurfaceTexture, data, reply);
int bufferIdx = data.readInt32();
- sp<GraphicBuffer> buffer(requestBuffer(bufferIdx));
+ sp<GraphicBuffer> buffer;
+ int result = requestBuffer(bufferIdx, &buffer);
reply->writeInt32(buffer != 0);
if (buffer != 0) {
reply->write(*buffer);
}
+ reply->writeInt32(result);
return NO_ERROR;
} break;
case SET_BUFFER_COUNT: {