d87f162026
this is the first step in unifying surfacetexture and surface. for this reason the header files were not moved, as most of them will eventually go away. NOTE: currently we keep libsurfaceflinger_client.so as an empty library to workaround prebuilt binaries wrongly linking against it. Change-Id: I130f0de2428e8579033dc41394d093f4e1431a00
109 lines
3.4 KiB
C++
109 lines
3.4 KiB
C++
/*
|
|
* Copyright (C) 2011 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.
|
|
*/
|
|
|
|
// tag as surfaceflinger
|
|
#define LOG_TAG "SurfaceFlinger"
|
|
|
|
#include <stdint.h>
|
|
#include <sys/types.h>
|
|
|
|
#include <binder/Parcel.h>
|
|
|
|
#include <ui/GraphicBuffer.h>
|
|
|
|
#include <surfaceflinger/IGraphicBufferAlloc.h>
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
namespace android {
|
|
|
|
enum {
|
|
CREATE_GRAPHIC_BUFFER = IBinder::FIRST_CALL_TRANSACTION,
|
|
FREE_ALL_GRAPHIC_BUFFERS_EXCEPT,
|
|
};
|
|
|
|
class BpGraphicBufferAlloc : public BpInterface<IGraphicBufferAlloc>
|
|
{
|
|
public:
|
|
BpGraphicBufferAlloc(const sp<IBinder>& impl)
|
|
: BpInterface<IGraphicBufferAlloc>(impl)
|
|
{
|
|
}
|
|
|
|
virtual sp<GraphicBuffer> createGraphicBuffer(uint32_t w, uint32_t h,
|
|
PixelFormat format, uint32_t usage) {
|
|
Parcel data, reply;
|
|
data.writeInterfaceToken(
|
|
IGraphicBufferAlloc::getInterfaceDescriptor());
|
|
data.writeInt32(w);
|
|
data.writeInt32(h);
|
|
data.writeInt32(format);
|
|
data.writeInt32(usage);
|
|
remote()->transact(CREATE_GRAPHIC_BUFFER, data, &reply);
|
|
sp<GraphicBuffer> graphicBuffer;
|
|
bool nonNull = (bool)reply.readInt32();
|
|
if (nonNull) {
|
|
graphicBuffer = new GraphicBuffer();
|
|
reply.read(*graphicBuffer);
|
|
}
|
|
return graphicBuffer;
|
|
}
|
|
|
|
virtual void freeAllGraphicBuffersExcept(int bufIdx) {
|
|
Parcel data, reply;
|
|
data.writeInterfaceToken(
|
|
IGraphicBufferAlloc::getInterfaceDescriptor());
|
|
data.writeInt32(bufIdx);
|
|
remote()->transact(FREE_ALL_GRAPHIC_BUFFERS_EXCEPT, data, &reply);
|
|
}
|
|
};
|
|
|
|
IMPLEMENT_META_INTERFACE(GraphicBufferAlloc, "android.ui.IGraphicBufferAlloc");
|
|
|
|
// ----------------------------------------------------------------------
|
|
|
|
status_t BnGraphicBufferAlloc::onTransact(
|
|
uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
|
|
{
|
|
// codes that don't require permission check
|
|
|
|
switch(code) {
|
|
case CREATE_GRAPHIC_BUFFER: {
|
|
CHECK_INTERFACE(IGraphicBufferAlloc, data, reply);
|
|
uint32_t w = data.readInt32();
|
|
uint32_t h = data.readInt32();
|
|
PixelFormat format = data.readInt32();
|
|
uint32_t usage = data.readInt32();
|
|
sp<GraphicBuffer> result(createGraphicBuffer(w, h, format, usage));
|
|
reply->writeInt32(result != 0);
|
|
if (result != 0) {
|
|
reply->write(*result);
|
|
}
|
|
return NO_ERROR;
|
|
} break;
|
|
case FREE_ALL_GRAPHIC_BUFFERS_EXCEPT: {
|
|
CHECK_INTERFACE(IGraphicBufferAlloc, data, reply);
|
|
int bufIdx = data.readInt32();
|
|
freeAllGraphicBuffersExcept(bufIdx);
|
|
return NO_ERROR;
|
|
} break;
|
|
default:
|
|
return BBinder::onTransact(code, data, reply, flags);
|
|
}
|
|
}
|
|
|
|
}; // namespace android
|