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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.
*/
#ifndef ANDROID_LAYER_BITMAP_H
#define ANDROID_LAYER_BITMAP_H
#include <stdint.h>
#include <sys/types.h>
#include <hardware/gralloc.h>
#include <utils/Atomic.h>
#include <ui/PixelFormat.h>
#include <ui/Rect.h>
#include <ui/Surface.h>
#include <pixelflinger/pixelflinger.h>
#include <private/ui/SharedState.h>
#include <private/ui/SurfaceBuffer.h>
class copybit_image_t;
struct android_native_buffer_t;
namespace android {
// ---------------------------------------------------------------------------
class IMemory;
class LayerBitmap;
// ===========================================================================
// Buffer
// ===========================================================================
class NativeBuffer;
class Buffer : public SurfaceBuffer
{
public:
enum {
DONT_CLEAR = 0x00000001,
GPU = 0x00000002,
SECURE = 0x00000004
};
// creates w * h buffer
Buffer(uint32_t w, uint32_t h, PixelFormat format,
uint32_t reqUsage, uint32_t flags = 0);
// return status
status_t initCheck() const;
uint32_t getWidth() const { return width; }
uint32_t getHeight() const { return height; }
uint32_t getStride() const { return stride; }
uint32_t getUsage() const { return usage; }
PixelFormat getPixelFormat() const { return format; }
Rect getBounds() const { return Rect(width, height); }
status_t lock(GGLSurface* surface, uint32_t usage);
android_native_buffer_t* getNativeBuffer() const;
private:
friend class LightRefBase<Buffer>;
Buffer(const Buffer& rhs);
virtual ~Buffer();
Buffer& operator = (const Buffer& rhs);
const Buffer& operator = (const Buffer& rhs) const;
status_t initSize(uint32_t w, uint32_t h, uint32_t reqUsage);
ssize_t mInitCheck;
uint32_t mFlags;
uint32_t mVStride;
};
// ===========================================================================
// LayerBitmap
// ===========================================================================
class LayerBitmap
{
public:
enum {
DONT_CLEAR = Buffer::DONT_CLEAR,
GPU = Buffer::GPU,
SECURE = Buffer::SECURE
};
LayerBitmap();
~LayerBitmap();
status_t init(surface_info_t* info,
uint32_t w, uint32_t h, PixelFormat format, uint32_t flags = 0);
status_t setSize(uint32_t w, uint32_t h);
sp<Buffer> allocate(uint32_t reqUsage);
status_t free();
sp<const Buffer> getBuffer() const { return mBuffer; }
sp<Buffer> getBuffer() { return mBuffer; }
uint32_t getWidth() const { return mWidth; }
uint32_t getHeight() const { return mHeight; }
PixelFormat getPixelFormat() const { return mBuffer->getPixelFormat(); }
Rect getBounds() const { return mBuffer->getBounds(); }
private:
surface_info_t* mInfo;
sp<Buffer> mBuffer;
uint32_t mWidth;
uint32_t mHeight;
PixelFormat mFormat;
uint32_t mFlags;
// protects setSize() and allocate()
mutable Mutex mLock;
};
}; // namespace android
#endif // ANDROID_LAYER_BITMAP_H
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