BufferItem.cpp revision 5065a55291b67f584d7b0be3fa3cfc4e29a3cd1c
1289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza/* 2289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza * Copyright 2014 The Android Open Source Project 3289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza * 4289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza * Licensed under the Apache License, Version 2.0 (the "License"); 5289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza * you may not use this file except in compliance with the License. 6289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza * You may obtain a copy of the License at 7289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza * 8289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza * http://www.apache.org/licenses/LICENSE-2.0 9289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza * 10289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza * Unless required by applicable law or agreed to in writing, software 11289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza * distributed under the License is distributed on an "AS IS" BASIS, 12289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza * See the License for the specific language governing permissions and 14289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza * limitations under the License. 15289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza */ 16289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 17289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza#include <gui/BufferItem.h> 18289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 19289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza#include <ui/Fence.h> 20289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza#include <ui/GraphicBuffer.h> 21289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 22289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza#include <system/window.h> 23289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 24289ade165e60b5f71734d30e535f16eb1f4313adDan Stozanamespace android { 25289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 26289ade165e60b5f71734d30e535f16eb1f4313adDan StozaBufferItem::BufferItem() : 27289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mTransform(0), 28289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mScalingMode(NATIVE_WINDOW_SCALING_MODE_FREEZE), 29289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mTimestamp(0), 30289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mIsAutoTimestamp(false), 3182c6bcc9705eabcaf5b9e45bc81867b0e2d61a02Eino-Ville Talvala mDataSpace(HAL_DATASPACE_UNKNOWN), 32289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mFrameNumber(0), 33289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mSlot(INVALID_BUFFER_SLOT), 34289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mIsDroppable(false), 35289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mAcquireCalled(false), 36289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mTransformToDisplayInverse(false) { 37289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mCrop.makeInvalid(); 38289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza} 39289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 408dc55396fc9bc425b5e2c82e76a38080f2a655ffDan StozaBufferItem::~BufferItem() {} 418dc55396fc9bc425b5e2c82e76a38080f2a655ffDan Stoza 42289ade165e60b5f71734d30e535f16eb1f4313adDan Stozasize_t BufferItem::getPodSize() const { 43289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza size_t c = sizeof(mCrop) + 44289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza sizeof(mTransform) + 45289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza sizeof(mScalingMode) + 46289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza sizeof(mTimestamp) + 47289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza sizeof(mIsAutoTimestamp) + 4882c6bcc9705eabcaf5b9e45bc81867b0e2d61a02Eino-Ville Talvala sizeof(mDataSpace) + 49289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza sizeof(mFrameNumber) + 50289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza sizeof(mSlot) + 51289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza sizeof(mIsDroppable) + 52289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza sizeof(mAcquireCalled) + 53289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza sizeof(mTransformToDisplayInverse); 54289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return c; 55289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza} 56289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 57289ade165e60b5f71734d30e535f16eb1f4313adDan Stozasize_t BufferItem::getFlattenedSize() const { 58289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza size_t c = 0; 59289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (mGraphicBuffer != 0) { 60289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza c += mGraphicBuffer->getFlattenedSize(); 61289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza FlattenableUtils::align<4>(c); 62289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 63289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (mFence != 0) { 64289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza c += mFence->getFlattenedSize(); 65289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza FlattenableUtils::align<4>(c); 66289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 675065a55291b67f584d7b0be3fa3cfc4e29a3cd1cDan Stoza c += mSurfaceDamage.getFlattenedSize(); 685065a55291b67f584d7b0be3fa3cfc4e29a3cd1cDan Stoza FlattenableUtils::align<4>(c); 69289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return sizeof(int32_t) + c + getPodSize(); 70289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza} 71289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 72289ade165e60b5f71734d30e535f16eb1f4313adDan Stozasize_t BufferItem::getFdCount() const { 73289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza size_t c = 0; 74289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (mGraphicBuffer != 0) { 75289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza c += mGraphicBuffer->getFdCount(); 76289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 77289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (mFence != 0) { 78289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza c += mFence->getFdCount(); 79289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 80289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return c; 81289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza} 82289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 83289ade165e60b5f71734d30e535f16eb1f4313adDan Stozastatus_t BufferItem::flatten( 84289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza void*& buffer, size_t& size, int*& fds, size_t& count) const { 85289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 86289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // make sure we have enough space 87289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (count < BufferItem::getFlattenedSize()) { 88289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return NO_MEMORY; 89289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 90289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 91289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // content flags are stored first 92289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza uint32_t& flags = *static_cast<uint32_t*>(buffer); 93289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 94289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // advance the pointer 95289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza FlattenableUtils::advance(buffer, size, sizeof(uint32_t)); 96289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 97289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza flags = 0; 98289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (mGraphicBuffer != 0) { 99289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza status_t err = mGraphicBuffer->flatten(buffer, size, fds, count); 100289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (err) return err; 101289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza size -= FlattenableUtils::align<4>(buffer); 102289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza flags |= 1; 103289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 104289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (mFence != 0) { 105289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza status_t err = mFence->flatten(buffer, size, fds, count); 106289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (err) return err; 107289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza size -= FlattenableUtils::align<4>(buffer); 108289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza flags |= 2; 109289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 1105065a55291b67f584d7b0be3fa3cfc4e29a3cd1cDan Stoza status_t err = mSurfaceDamage.flatten(buffer, size); 1115065a55291b67f584d7b0be3fa3cfc4e29a3cd1cDan Stoza if (err) return err; 1125065a55291b67f584d7b0be3fa3cfc4e29a3cd1cDan Stoza size -= FlattenableUtils::align<4>(buffer); 113289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 114289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // check we have enough space (in case flattening the fence/graphicbuffer lied to us) 115289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (size < getPodSize()) { 116289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return NO_MEMORY; 117289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 118289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 119289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza FlattenableUtils::write(buffer, size, mCrop); 120289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza FlattenableUtils::write(buffer, size, mTransform); 121289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza FlattenableUtils::write(buffer, size, mScalingMode); 122289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza FlattenableUtils::write(buffer, size, mTimestamp); 123289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza FlattenableUtils::write(buffer, size, mIsAutoTimestamp); 12482c6bcc9705eabcaf5b9e45bc81867b0e2d61a02Eino-Ville Talvala FlattenableUtils::write(buffer, size, mDataSpace); 125289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza FlattenableUtils::write(buffer, size, mFrameNumber); 126289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza FlattenableUtils::write(buffer, size, mSlot); 127289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza FlattenableUtils::write(buffer, size, mIsDroppable); 128289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza FlattenableUtils::write(buffer, size, mAcquireCalled); 129289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza FlattenableUtils::write(buffer, size, mTransformToDisplayInverse); 130289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 131289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return NO_ERROR; 132289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza} 133289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 134289ade165e60b5f71734d30e535f16eb1f4313adDan Stozastatus_t BufferItem::unflatten( 135289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza void const*& buffer, size_t& size, int const*& fds, size_t& count) { 136289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 137289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (size < sizeof(uint32_t)) 138289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return NO_MEMORY; 139289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 140289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza uint32_t flags = 0; 141289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza FlattenableUtils::read(buffer, size, flags); 142289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 143289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (flags & 1) { 144289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mGraphicBuffer = new GraphicBuffer(); 145289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza status_t err = mGraphicBuffer->unflatten(buffer, size, fds, count); 146289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (err) return err; 147289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza size -= FlattenableUtils::align<4>(buffer); 148289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 149289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 150289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (flags & 2) { 151289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza mFence = new Fence(); 152289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza status_t err = mFence->unflatten(buffer, size, fds, count); 153289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (err) return err; 154289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza size -= FlattenableUtils::align<4>(buffer); 155289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 1565065a55291b67f584d7b0be3fa3cfc4e29a3cd1cDan Stoza status_t err = mSurfaceDamage.unflatten(buffer, size); 1575065a55291b67f584d7b0be3fa3cfc4e29a3cd1cDan Stoza if (err) return err; 1585065a55291b67f584d7b0be3fa3cfc4e29a3cd1cDan Stoza size -= FlattenableUtils::align<4>(buffer); 159289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 160289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza // check we have enough space 161289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza if (size < getPodSize()) { 162289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return NO_MEMORY; 163289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 164289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 165289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza FlattenableUtils::read(buffer, size, mCrop); 166289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza FlattenableUtils::read(buffer, size, mTransform); 167289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza FlattenableUtils::read(buffer, size, mScalingMode); 168289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza FlattenableUtils::read(buffer, size, mTimestamp); 169289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza FlattenableUtils::read(buffer, size, mIsAutoTimestamp); 17082c6bcc9705eabcaf5b9e45bc81867b0e2d61a02Eino-Ville Talvala FlattenableUtils::read(buffer, size, mDataSpace); 171289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza FlattenableUtils::read(buffer, size, mFrameNumber); 172289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza FlattenableUtils::read(buffer, size, mSlot); 173289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza FlattenableUtils::read(buffer, size, mIsDroppable); 174289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza FlattenableUtils::read(buffer, size, mAcquireCalled); 175289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza FlattenableUtils::read(buffer, size, mTransformToDisplayInverse); 176289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 177289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza return NO_ERROR; 178289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza} 179289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 180289ade165e60b5f71734d30e535f16eb1f4313adDan Stozaconst char* BufferItem::scalingModeName(uint32_t scalingMode) { 181289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza switch (scalingMode) { 182289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza case NATIVE_WINDOW_SCALING_MODE_FREEZE: return "FREEZE"; 183289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza case NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW: return "SCALE_TO_WINDOW"; 184289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza case NATIVE_WINDOW_SCALING_MODE_SCALE_CROP: return "SCALE_CROP"; 185289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza default: return "Unknown"; 186289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza } 187289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza} 188289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza 189289ade165e60b5f71734d30e535f16eb1f4313adDan Stoza} // namespace android 190