136 lines
3.7 KiB
C++
136 lines
3.7 KiB
C++
/*
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* Copyright (C) 2007 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_LAYER_BITMAP_H
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#define ANDROID_LAYER_BITMAP_H
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#include <stdint.h>
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#include <sys/types.h>
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#include <hardware/gralloc.h>
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#include <utils/Atomic.h>
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#include <ui/PixelFormat.h>
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#include <ui/Rect.h>
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#include <ui/Surface.h>
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#include <pixelflinger/pixelflinger.h>
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#include <private/ui/SharedState.h>
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#include <private/ui/SurfaceBuffer.h>
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class copybit_image_t;
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struct android_native_buffer_t;
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namespace android {
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// ---------------------------------------------------------------------------
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class IMemory;
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class MemoryDealer;
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class LayerBitmap;
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// ===========================================================================
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// Buffer
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// ===========================================================================
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class NativeBuffer;
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class Buffer : public SurfaceBuffer
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{
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public:
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enum {
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DONT_CLEAR = 0x00000001,
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GPU = 0x00000002,
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SECURE = 0x00000004
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};
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// creates w * h buffer
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Buffer(uint32_t w, uint32_t h, PixelFormat format, uint32_t flags = 0);
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// return status
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status_t initCheck() const;
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uint32_t getWidth() const { return width; }
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uint32_t getHeight() const { return height; }
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uint32_t getStride() const { return stride; }
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uint32_t getUsage() const { return usage; }
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PixelFormat getPixelFormat() const { return format; }
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Rect getBounds() const { return Rect(width, height); }
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status_t lock(GGLSurface* surface, uint32_t usage);
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android_native_buffer_t* getNativeBuffer() const;
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private:
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friend class LightRefBase<Buffer>;
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Buffer(const Buffer& rhs);
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virtual ~Buffer();
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Buffer& operator = (const Buffer& rhs);
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const Buffer& operator = (const Buffer& rhs) const;
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status_t initSize(uint32_t w, uint32_t h);
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ssize_t mInitCheck;
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uint32_t mFlags;
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uint32_t mVStride;
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};
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// ===========================================================================
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// LayerBitmap
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// ===========================================================================
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class LayerBitmap
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{
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public:
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enum {
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DONT_CLEAR = Buffer::DONT_CLEAR,
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GPU = Buffer::GPU,
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SECURE = Buffer::SECURE
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};
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LayerBitmap();
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~LayerBitmap();
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status_t init(surface_info_t* info,
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uint32_t w, uint32_t h, PixelFormat format, uint32_t flags = 0);
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status_t setSize(uint32_t w, uint32_t h);
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sp<Buffer> allocate();
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sp<const Buffer> getBuffer() const { return mBuffer; }
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sp<Buffer> getBuffer() { return mBuffer; }
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uint32_t getWidth() const { return mWidth; }
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uint32_t getHeight() const { return mHeight; }
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PixelFormat getPixelFormat() const { return mBuffer->getPixelFormat(); }
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Rect getBounds() const { return mBuffer->getBounds(); }
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private:
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surface_info_t* mInfo;
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sp<Buffer> mBuffer;
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uint32_t mWidth;
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uint32_t mHeight;
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PixelFormat mFormat;
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uint32_t mFlags;
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// protects setSize() and allocate()
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mutable Mutex mLock;
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};
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}; // namespace android
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#endif // ANDROID_LAYER_BITMAP_H
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