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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.
*/
#ifndef ANDROID_SF_LAYER_STATE_H
#define ANDROID_SF_LAYER_STATE_H
#include <stdint.h>
#include <sys/types.h>
#include <utils/Errors.h>
#include <ui/Region.h>
#include <surfaceflinger/ISurface.h>
namespace android {
class Parcel;
class ISurfaceComposerClient;
struct layer_state_t {
layer_state_t()
: surface(0), what(0),
x(0), y(0), z(0), w(0), h(0),
alpha(0), tint(0), flags(0), mask(0),
reserved(0)
{
matrix.dsdx = matrix.dtdy = 1.0f;
matrix.dsdy = matrix.dtdx = 0.0f;
}
status_t write(Parcel& output) const;
status_t read(const Parcel& input);
struct matrix22_t {
float dsdx;
float dtdx;
float dsdy;
float dtdy;
};
SurfaceID surface;
uint32_t what;
float x;
float y;
uint32_t z;
uint32_t w;
uint32_t h;
float alpha;
uint32_t tint;
uint8_t flags;
uint8_t mask;
uint8_t reserved;
matrix22_t matrix;
// non POD must be last. see write/read
Region transparentRegion;
};
struct ComposerState {
sp<ISurfaceComposerClient> client;
layer_state_t state;
status_t write(Parcel& output) const;
status_t read(const Parcel& input);
};
}; // namespace android
#endif // ANDROID_SF_LAYER_STATE_H