replicant-frameworks_native/libs/gui/LayerState.cpp

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/*
* Copyright (C) 2008 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/Errors.h>
#include <binder/Parcel.h>
#include <gui/ISurfaceComposerClient.h>
#include <gui/IGraphicBufferProducer.h>
#include <private/gui/LayerState.h>
namespace android {
status_t layer_state_t::write(Parcel& output) const
{
output.writeStrongBinder(surface);
output.writeUint32(what);
output.writeFloat(x);
output.writeFloat(y);
output.writeUint32(z);
output.writeUint32(w);
output.writeUint32(h);
output.writeUint32(layerStack);
output.writeFloat(blur);
output.writeStrongBinder(blurMaskSurface);
output.writeUint32(blurMaskSampling);
output.writeFloat(blurMaskAlphaThreshold);
output.writeFloat(alpha);
output.writeUint32(flags);
output.writeUint32(mask);
*reinterpret_cast<layer_state_t::matrix22_t *>(
output.writeInplace(sizeof(layer_state_t::matrix22_t))) = matrix;
output.write(crop);
output.write(transparentRegion);
return NO_ERROR;
}
status_t layer_state_t::read(const Parcel& input)
{
surface = input.readStrongBinder();
what = input.readUint32();
x = input.readFloat();
y = input.readFloat();
z = input.readUint32();
w = input.readUint32();
h = input.readUint32();
layerStack = input.readUint32();
blur = input.readFloat();
blurMaskSurface = input.readStrongBinder();
blurMaskSampling = input.readUint32();
blurMaskAlphaThreshold = input.readFloat();
alpha = input.readFloat();
flags = static_cast<uint8_t>(input.readUint32());
mask = static_cast<uint8_t>(input.readUint32());
const void* matrix_data = input.readInplace(sizeof(layer_state_t::matrix22_t));
if (matrix_data) {
matrix = *reinterpret_cast<layer_state_t::matrix22_t const *>(matrix_data);
} else {
return BAD_VALUE;
}
input.read(crop);
input.read(transparentRegion);
return NO_ERROR;
}
status_t ComposerState::write(Parcel& output) const {
output.writeStrongBinder(IInterface::asBinder(client));
return state.write(output);
}
status_t ComposerState::read(const Parcel& input) {
client = interface_cast<ISurfaceComposerClient>(input.readStrongBinder());
return state.read(input);
}
status_t DisplayState::write(Parcel& output) const {
output.writeStrongBinder(token);
output.writeStrongBinder(IInterface::asBinder(surface));
output.writeUint32(what);
output.writeUint32(layerStack);
output.writeUint32(orientation);
output.write(viewport);
output.write(frame);
output.writeUint32(width);
output.writeUint32(height);
return NO_ERROR;
}
status_t DisplayState::read(const Parcel& input) {
token = input.readStrongBinder();
surface = interface_cast<IGraphicBufferProducer>(input.readStrongBinder());
what = input.readUint32();
layerStack = input.readUint32();
orientation = input.readUint32();
input.read(viewport);
input.read(frame);
width = input.readUint32();
height = input.readUint32();
return NO_ERROR;
}
}; // namespace android