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/*
* 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.
*/
#include <utils/IMemory.h>
#include <utils/Parcel.h>
#include <ui/IOverlay.h>
#include <ui/Overlay.h>
namespace android {
Overlay::Overlay(overlay_handle_t* handle,
const sp<IOverlay>& o, const sp<IMemoryHeap>& heap,
uint32_t w, uint32_t h, int32_t f, uint32_t ws, uint32_t hs)
: mOverlay(o), mHeap(heap), mCurrentBufferOffset(0), mOverlayHandle(handle),
mWidth(w), mHeight(h), mFormat(f), mWidthStride(ws), mHeightStride(hs)
{
}
Overlay::Overlay(overlay_t* overlay,
const sp<IOverlay>& o, const sp<IMemoryHeap>& heap)
: mOverlay(o), mHeap(heap)
{
mCurrentBufferOffset = 0;
mOverlayHandle = overlay->getHandleRef(overlay);
mWidth = overlay->w;
mHeight = overlay->h;
mFormat = overlay->format;
mWidthStride = overlay->w_stride;
mHeightStride = overlay->h_stride;
}
Overlay::~Overlay() {
}
void Overlay::destroy() {
mOverlay->destroy();
}
status_t Overlay::swapBuffers() {
ssize_t result = mOverlay->swapBuffers();
if (result < 0)
return status_t(result);
mCurrentBufferOffset = result;
return NO_ERROR;
}
overlay_handle_t const* Overlay::getHandleRef() const {
return mOverlayHandle;
}
size_t Overlay::getBufferOffset() const {
return mCurrentBufferOffset;
}
sp<IMemoryHeap> Overlay::getHeap() const {
return mHeap;
}
uint32_t Overlay::getWidth() const {
return mWidth;
}
uint32_t Overlay::getHeight() const {
return mHeight;
}
int32_t Overlay::getFormat() const {
return mFormat;
}
int32_t Overlay::getWidthStride() const {
return mWidthStride;
}
int32_t Overlay::getHeightStride() const {
return mHeightStride;
}
sp<Overlay> Overlay::readFromParcel(const Parcel& data) {
sp<Overlay> result;
sp<IOverlay> overlay = IOverlay::asInterface(data.readStrongBinder());
if (overlay != NULL) {
sp<IMemoryHeap> heap = IMemoryHeap::asInterface(data.readStrongBinder());
uint32_t w = data.readInt32();
uint32_t h = data.readInt32();
uint32_t f = data.readInt32();
uint32_t ws = data.readInt32();
uint32_t hs = data.readInt32();
/* FIXME: handles should be promoted to "real" API and be handled by
* the framework */
int numfd = data.readInt32();
int numint = data.readInt32();
overlay_handle_t* handle = (overlay_handle_t*)malloc(
sizeof(overlay_handle_t) + numint*sizeof(int));
for (int i=0 ; i<numfd ; i++)
handle->fds[i] = data.readFileDescriptor();
for (int i=0 ; i<numint ; i++)
handle->data[i] = data.readInt32();
result = new Overlay(handle, overlay, heap, w, h, f, ws, hs);
}
return result;
}
status_t Overlay::writeToParcel(Parcel* reply, const sp<Overlay>& o) {
if (o != NULL) {
reply->writeStrongBinder(o->mOverlay->asBinder());
reply->writeStrongBinder(o->mHeap->asBinder());
reply->writeInt32(o->mWidth);
reply->writeInt32(o->mHeight);
reply->writeInt32(o->mFormat);
reply->writeInt32(o->mWidthStride);
reply->writeInt32(o->mHeightStride);
/* FIXME: handles should be promoted to "real" API and be handled by
* the framework */
reply->writeInt32(o->mOverlayHandle->numFds);
reply->writeInt32(o->mOverlayHandle->numInts);
for (int i=0 ; i<o->mOverlayHandle->numFds ; i++)
reply->writeFileDescriptor(o->mOverlayHandle->fds[i]);
for (int i=0 ; i<o->mOverlayHandle->numInts ; i++)
reply->writeInt32(o->mOverlayHandle->data[i]);
} else {
reply->writeStrongBinder(NULL);
}
return NO_ERROR;
}
// ----------------------------------------------------------------------------
}; // namespace android
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