Rename ISurfaceTexture and SurfaceTexture
The C++ class names don't match what the classes do, so rename
ISurfaceTexture to IGraphicBufferProducer, and SurfaceTexture to
GLConsumer.
Bug 7736700
Change-Id: Ia03e468888025b5cae3c0ee1995434515dbea387
diff --git a/libs/gui/IGraphicBufferProducer.cpp b/libs/gui/IGraphicBufferProducer.cpp
new file mode 100644
index 0000000..923e394
--- /dev/null
+++ b/libs/gui/IGraphicBufferProducer.cpp
@@ -0,0 +1,350 @@
+/*
+ * 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.
+ */
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/Errors.h>
+#include <utils/RefBase.h>
+#include <utils/Vector.h>
+#include <utils/Timers.h>
+
+#include <binder/Parcel.h>
+#include <binder/IInterface.h>
+
+#include <gui/IGraphicBufferProducer.h>
+
+namespace android {
+// ----------------------------------------------------------------------------
+
+enum {
+ REQUEST_BUFFER = IBinder::FIRST_CALL_TRANSACTION,
+ SET_BUFFER_COUNT,
+ DEQUEUE_BUFFER,
+ QUEUE_BUFFER,
+ CANCEL_BUFFER,
+ QUERY,
+ SET_SYNCHRONOUS_MODE,
+ CONNECT,
+ DISCONNECT,
+};
+
+
+class BpGraphicBufferProducer : public BpInterface<IGraphicBufferProducer>
+{
+public:
+ BpGraphicBufferProducer(const sp<IBinder>& impl)
+ : BpInterface<IGraphicBufferProducer>(impl)
+ {
+ }
+
+ virtual status_t requestBuffer(int bufferIdx, sp<GraphicBuffer>* buf) {
+ Parcel data, reply;
+ data.writeInterfaceToken(IGraphicBufferProducer::getInterfaceDescriptor());
+ data.writeInt32(bufferIdx);
+ status_t result =remote()->transact(REQUEST_BUFFER, data, &reply);
+ if (result != NO_ERROR) {
+ return result;
+ }
+ bool nonNull = reply.readInt32();
+ if (nonNull) {
+ *buf = new GraphicBuffer();
+ reply.read(**buf);
+ }
+ result = reply.readInt32();
+ return result;
+ }
+
+ virtual status_t setBufferCount(int bufferCount)
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(IGraphicBufferProducer::getInterfaceDescriptor());
+ data.writeInt32(bufferCount);
+ status_t result =remote()->transact(SET_BUFFER_COUNT, data, &reply);
+ if (result != NO_ERROR) {
+ return result;
+ }
+ result = reply.readInt32();
+ return result;
+ }
+
+ virtual status_t dequeueBuffer(int *buf, sp<Fence>& fence,
+ uint32_t w, uint32_t h, uint32_t format, uint32_t usage) {
+ Parcel data, reply;
+ data.writeInterfaceToken(IGraphicBufferProducer::getInterfaceDescriptor());
+ data.writeInt32(w);
+ data.writeInt32(h);
+ data.writeInt32(format);
+ data.writeInt32(usage);
+ status_t result = remote()->transact(DEQUEUE_BUFFER, data, &reply);
+ if (result != NO_ERROR) {
+ return result;
+ }
+ *buf = reply.readInt32();
+ fence.clear();
+ bool hasFence = reply.readInt32();
+ if (hasFence) {
+ fence = new Fence();
+ reply.read(*fence.get());
+ }
+ result = reply.readInt32();
+ return result;
+ }
+
+ virtual status_t queueBuffer(int buf,
+ const QueueBufferInput& input, QueueBufferOutput* output) {
+ Parcel data, reply;
+ data.writeInterfaceToken(IGraphicBufferProducer::getInterfaceDescriptor());
+ data.writeInt32(buf);
+ data.write(input);
+ status_t result = remote()->transact(QUEUE_BUFFER, data, &reply);
+ if (result != NO_ERROR) {
+ return result;
+ }
+ memcpy(output, reply.readInplace(sizeof(*output)), sizeof(*output));
+ result = reply.readInt32();
+ return result;
+ }
+
+ virtual void cancelBuffer(int buf, sp<Fence> fence) {
+ Parcel data, reply;
+ bool hasFence = fence.get() && fence->isValid();
+ data.writeInterfaceToken(IGraphicBufferProducer::getInterfaceDescriptor());
+ data.writeInt32(buf);
+ data.writeInt32(hasFence);
+ if (hasFence) {
+ data.write(*fence.get());
+ }
+ remote()->transact(CANCEL_BUFFER, data, &reply);
+ }
+
+ virtual int query(int what, int* value) {
+ Parcel data, reply;
+ data.writeInterfaceToken(IGraphicBufferProducer::getInterfaceDescriptor());
+ data.writeInt32(what);
+ status_t result = remote()->transact(QUERY, data, &reply);
+ if (result != NO_ERROR) {
+ return result;
+ }
+ value[0] = reply.readInt32();
+ result = reply.readInt32();
+ return result;
+ }
+
+ virtual status_t setSynchronousMode(bool enabled) {
+ Parcel data, reply;
+ data.writeInterfaceToken(IGraphicBufferProducer::getInterfaceDescriptor());
+ data.writeInt32(enabled);
+ status_t result = remote()->transact(SET_SYNCHRONOUS_MODE, data, &reply);
+ if (result != NO_ERROR) {
+ return result;
+ }
+ result = reply.readInt32();
+ return result;
+ }
+
+ virtual status_t connect(int api, QueueBufferOutput* output) {
+ Parcel data, reply;
+ data.writeInterfaceToken(IGraphicBufferProducer::getInterfaceDescriptor());
+ data.writeInt32(api);
+ status_t result = remote()->transact(CONNECT, data, &reply);
+ if (result != NO_ERROR) {
+ return result;
+ }
+ memcpy(output, reply.readInplace(sizeof(*output)), sizeof(*output));
+ result = reply.readInt32();
+ return result;
+ }
+
+ virtual status_t disconnect(int api) {
+ Parcel data, reply;
+ data.writeInterfaceToken(IGraphicBufferProducer::getInterfaceDescriptor());
+ data.writeInt32(api);
+ status_t result =remote()->transact(DISCONNECT, data, &reply);
+ if (result != NO_ERROR) {
+ return result;
+ }
+ result = reply.readInt32();
+ return result;
+ }
+};
+
+IMPLEMENT_META_INTERFACE(GraphicBufferProducer, "android.gui.SurfaceTexture");
+
+// ----------------------------------------------------------------------
+
+status_t BnGraphicBufferProducer::onTransact(
+ uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
+{
+ switch(code) {
+ case REQUEST_BUFFER: {
+ CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
+ int bufferIdx = data.readInt32();
+ 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: {
+ CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
+ int bufferCount = data.readInt32();
+ int result = setBufferCount(bufferCount);
+ reply->writeInt32(result);
+ return NO_ERROR;
+ } break;
+ case DEQUEUE_BUFFER: {
+ CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
+ uint32_t w = data.readInt32();
+ uint32_t h = data.readInt32();
+ uint32_t format = data.readInt32();
+ uint32_t usage = data.readInt32();
+ int buf;
+ sp<Fence> fence;
+ int result = dequeueBuffer(&buf, fence, w, h, format, usage);
+ bool hasFence = fence.get() && fence->isValid();
+ reply->writeInt32(buf);
+ reply->writeInt32(hasFence);
+ if (hasFence) {
+ reply->write(*fence.get());
+ }
+ reply->writeInt32(result);
+ return NO_ERROR;
+ } break;
+ case QUEUE_BUFFER: {
+ CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
+ int buf = data.readInt32();
+ QueueBufferInput input(data);
+ QueueBufferOutput* const output =
+ reinterpret_cast<QueueBufferOutput *>(
+ reply->writeInplace(sizeof(QueueBufferOutput)));
+ status_t result = queueBuffer(buf, input, output);
+ reply->writeInt32(result);
+ return NO_ERROR;
+ } break;
+ case CANCEL_BUFFER: {
+ CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
+ int buf = data.readInt32();
+ sp<Fence> fence;
+ bool hasFence = data.readInt32();
+ if (hasFence) {
+ fence = new Fence();
+ data.read(*fence.get());
+ }
+ cancelBuffer(buf, fence);
+ return NO_ERROR;
+ } break;
+ case QUERY: {
+ CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
+ int value;
+ int what = data.readInt32();
+ int res = query(what, &value);
+ reply->writeInt32(value);
+ reply->writeInt32(res);
+ return NO_ERROR;
+ } break;
+ case SET_SYNCHRONOUS_MODE: {
+ CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
+ bool enabled = data.readInt32();
+ status_t res = setSynchronousMode(enabled);
+ reply->writeInt32(res);
+ return NO_ERROR;
+ } break;
+ case CONNECT: {
+ CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
+ int api = data.readInt32();
+ QueueBufferOutput* const output =
+ reinterpret_cast<QueueBufferOutput *>(
+ reply->writeInplace(sizeof(QueueBufferOutput)));
+ status_t res = connect(api, output);
+ reply->writeInt32(res);
+ return NO_ERROR;
+ } break;
+ case DISCONNECT: {
+ CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
+ int api = data.readInt32();
+ status_t res = disconnect(api);
+ reply->writeInt32(res);
+ return NO_ERROR;
+ } break;
+ }
+ return BBinder::onTransact(code, data, reply, flags);
+}
+
+// ----------------------------------------------------------------------------
+
+static bool isValid(const sp<Fence>& fence) {
+ return fence.get() && fence->isValid();
+}
+
+IGraphicBufferProducer::QueueBufferInput::QueueBufferInput(const Parcel& parcel) {
+ parcel.read(*this);
+}
+
+size_t IGraphicBufferProducer::QueueBufferInput::getFlattenedSize() const
+{
+ return sizeof(timestamp)
+ + sizeof(crop)
+ + sizeof(scalingMode)
+ + sizeof(transform)
+ + sizeof(bool)
+ + (isValid(fence) ? fence->getFlattenedSize() : 0);
+}
+
+size_t IGraphicBufferProducer::QueueBufferInput::getFdCount() const
+{
+ return isValid(fence) ? fence->getFdCount() : 0;
+}
+
+status_t IGraphicBufferProducer::QueueBufferInput::flatten(void* buffer, size_t size,
+ int fds[], size_t count) const
+{
+ status_t err = NO_ERROR;
+ bool haveFence = isValid(fence);
+ char* p = (char*)buffer;
+ memcpy(p, ×tamp, sizeof(timestamp)); p += sizeof(timestamp);
+ memcpy(p, &crop, sizeof(crop)); p += sizeof(crop);
+ memcpy(p, &scalingMode, sizeof(scalingMode)); p += sizeof(scalingMode);
+ memcpy(p, &transform, sizeof(transform)); p += sizeof(transform);
+ memcpy(p, &haveFence, sizeof(haveFence)); p += sizeof(haveFence);
+ if (haveFence) {
+ err = fence->flatten(p, size - (p - (char*)buffer), fds, count);
+ }
+ return err;
+}
+
+status_t IGraphicBufferProducer::QueueBufferInput::unflatten(void const* buffer,
+ size_t size, int fds[], size_t count)
+{
+ status_t err = NO_ERROR;
+ bool haveFence;
+ const char* p = (const char*)buffer;
+ memcpy(×tamp, p, sizeof(timestamp)); p += sizeof(timestamp);
+ memcpy(&crop, p, sizeof(crop)); p += sizeof(crop);
+ memcpy(&scalingMode, p, sizeof(scalingMode)); p += sizeof(scalingMode);
+ memcpy(&transform, p, sizeof(transform)); p += sizeof(transform);
+ memcpy(&haveFence, p, sizeof(haveFence)); p += sizeof(haveFence);
+ if (haveFence) {
+ fence = new Fence();
+ err = fence->unflatten(p, size - (p - (const char*)buffer), fds, count);
+ }
+ return err;
+}
+
+}; // namespace android