1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/omx-plugin/include/gb/ui/GraphicBuffer.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,157 @@
1.4 +/*
1.5 + * Copyright (C) 2007 The Android Open Source Project
1.6 + *
1.7 + * Licensed under the Apache License, Version 2.0 (the "License");
1.8 + * you may not use this file except in compliance with the License.
1.9 + * You may obtain a copy of the License at
1.10 + *
1.11 + * http://www.apache.org/licenses/LICENSE-2.0
1.12 + *
1.13 + * Unless required by applicable law or agreed to in writing, software
1.14 + * distributed under the License is distributed on an "AS IS" BASIS,
1.15 + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1.16 + * See the License for the specific language governing permissions and
1.17 + * limitations under the License.
1.18 + */
1.19 +
1.20 +#ifndef ANDROID_GRAPHIC_BUFFER_H
1.21 +#define ANDROID_GRAPHIC_BUFFER_H
1.22 +
1.23 +#include <stdint.h>
1.24 +#include <sys/types.h>
1.25 +
1.26 +#include <ui/android_native_buffer.h>
1.27 +#include <ui/PixelFormat.h>
1.28 +#include <ui/Rect.h>
1.29 +#include <utils/Flattenable.h>
1.30 +#include <pixelflinger/pixelflinger.h>
1.31 +
1.32 +#include <hardware/hardware.h>
1.33 +
1.34 +struct android_native_buffer_t;
1.35 +
1.36 +namespace android {
1.37 +
1.38 +class GraphicBufferMapper;
1.39 +
1.40 +// ===========================================================================
1.41 +// GraphicBuffer
1.42 +// ===========================================================================
1.43 +
1.44 +class GraphicBuffer
1.45 + : public EGLNativeBase<
1.46 + android_native_buffer_t,
1.47 + GraphicBuffer,
1.48 + LightRefBase<GraphicBuffer> >, public Flattenable
1.49 +{
1.50 +public:
1.51 +
1.52 + enum {
1.53 + USAGE_SW_READ_NEVER = GRALLOC_USAGE_SW_READ_NEVER,
1.54 + USAGE_SW_READ_RARELY = GRALLOC_USAGE_SW_READ_RARELY,
1.55 + USAGE_SW_READ_OFTEN = GRALLOC_USAGE_SW_READ_OFTEN,
1.56 + USAGE_SW_READ_MASK = GRALLOC_USAGE_SW_READ_MASK,
1.57 +
1.58 + USAGE_SW_WRITE_NEVER = GRALLOC_USAGE_SW_WRITE_NEVER,
1.59 + USAGE_SW_WRITE_RARELY = GRALLOC_USAGE_SW_WRITE_RARELY,
1.60 + USAGE_SW_WRITE_OFTEN = GRALLOC_USAGE_SW_WRITE_OFTEN,
1.61 + USAGE_SW_WRITE_MASK = GRALLOC_USAGE_SW_WRITE_MASK,
1.62 +
1.63 + USAGE_SOFTWARE_MASK = USAGE_SW_READ_MASK|USAGE_SW_WRITE_MASK,
1.64 +
1.65 + USAGE_HW_TEXTURE = GRALLOC_USAGE_HW_TEXTURE,
1.66 + USAGE_HW_RENDER = GRALLOC_USAGE_HW_RENDER,
1.67 + USAGE_HW_2D = GRALLOC_USAGE_HW_2D,
1.68 + USAGE_HW_MASK = GRALLOC_USAGE_HW_MASK
1.69 + };
1.70 +
1.71 + enum {
1.72 + TRANSFORM_IDENTITY = 0,
1.73 + TRANSFORM_ROT_90 = HAL_TRANSFORM_ROT_90,
1.74 + TRANSFORM_ROT_180 = HAL_TRANSFORM_ROT_180,
1.75 + TRANSFORM_ROT_270 = HAL_TRANSFORM_ROT_270
1.76 + };
1.77 +
1.78 + GraphicBuffer();
1.79 +
1.80 + // creates w * h buffer
1.81 + GraphicBuffer(uint32_t w, uint32_t h, PixelFormat format, uint32_t usage);
1.82 +
1.83 + // create a buffer from an existing handle
1.84 + GraphicBuffer(uint32_t w, uint32_t h, PixelFormat format, uint32_t usage,
1.85 + uint32_t stride, native_handle_t* handle, bool keepOwnership);
1.86 +
1.87 + // return status
1.88 + status_t initCheck() const;
1.89 +
1.90 + uint32_t getWidth() const { return width; }
1.91 + uint32_t getHeight() const { return height; }
1.92 + uint32_t getStride() const { return stride; }
1.93 + uint32_t getUsage() const { return usage; }
1.94 + uint32_t getTransform() const { return transform; }
1.95 + PixelFormat getPixelFormat() const { return format; }
1.96 + Rect getBounds() const { return Rect(width, height); }
1.97 +
1.98 + status_t reallocate(uint32_t w, uint32_t h, PixelFormat f, uint32_t usage);
1.99 +
1.100 + status_t lock(uint32_t usage, void** vaddr);
1.101 + status_t lock(uint32_t usage, const Rect& rect, void** vaddr);
1.102 + status_t lock(GGLSurface* surface, uint32_t usage);
1.103 + status_t unlock();
1.104 +
1.105 + android_native_buffer_t* getNativeBuffer() const;
1.106 +
1.107 + void setIndex(int index);
1.108 + int getIndex() const;
1.109 +
1.110 + // for debugging
1.111 + static void dumpAllocationsToSystemLog();
1.112 +
1.113 +private:
1.114 + virtual ~GraphicBuffer();
1.115 +
1.116 + enum {
1.117 + ownNone = 0,
1.118 + ownHandle = 1,
1.119 + ownData = 2,
1.120 + };
1.121 +
1.122 + inline const GraphicBufferMapper& getBufferMapper() const {
1.123 + return mBufferMapper;
1.124 + }
1.125 + inline GraphicBufferMapper& getBufferMapper() {
1.126 + return mBufferMapper;
1.127 + }
1.128 + uint8_t mOwner;
1.129 +
1.130 +private:
1.131 + friend class Surface;
1.132 + friend class BpSurface;
1.133 + friend class BnSurface;
1.134 + friend class LightRefBase<GraphicBuffer>;
1.135 + GraphicBuffer(const GraphicBuffer& rhs);
1.136 + GraphicBuffer& operator = (const GraphicBuffer& rhs);
1.137 + const GraphicBuffer& operator = (const GraphicBuffer& rhs) const;
1.138 +
1.139 + status_t initSize(uint32_t w, uint32_t h, PixelFormat format,
1.140 + uint32_t usage);
1.141 +
1.142 + void free_handle();
1.143 +
1.144 + // Flattenable interface
1.145 + size_t getFlattenedSize() const;
1.146 + size_t getFdCount() const;
1.147 + status_t flatten(void* buffer, size_t size,
1.148 + int fds[], size_t count) const;
1.149 + status_t unflatten(void const* buffer, size_t size,
1.150 + int fds[], size_t count);
1.151 +
1.152 +
1.153 + GraphicBufferMapper& mBufferMapper;
1.154 + ssize_t mInitCheck;
1.155 + int mIndex;
1.156 +};
1.157 +
1.158 +}; // namespace android
1.159 +
1.160 +#endif // ANDROID_GRAPHIC_BUFFER_H
