| /* |
| * Copyright (c) 2015, The Linux Foundation. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * * Neither the name of The Linux Foundation nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| |
| #ifndef __HWC_BUFFER_ALLOCATOR_H__ |
| #define __HWC_BUFFER_ALLOCATOR_H__ |
| |
| #include <sys/mman.h> |
| #include <fcntl.h> |
| |
| namespace gralloc { |
| |
| class IAllocController; |
| |
| } // namespace gralloc |
| |
| namespace sde { |
| |
| class HWCBufferAllocator : public BufferAllocator { |
| public: |
| HWCBufferAllocator(); |
| |
| DisplayError AllocateBuffer(BufferInfo *buffer_info); |
| DisplayError FreeBuffer(BufferInfo *buffer_info); |
| |
| private: |
| static const size_t kSecureBufferAlignment = 0x00100000; |
| |
| struct MetaBufferInfo { |
| int alloc_type; //!< Specifies allocation type set by the buffer allocator. |
| void *base_addr; //!< Specifies the base address of the allocated output buffer. |
| }; |
| |
| int SetBufferInfo(LayerBufferFormat format, int *target, int *flags); |
| |
| gralloc::IAllocController *alloc_controller_; |
| }; |
| |
| } // namespace sde |
| #endif // __HWC_BUFFER_ALLOCATOR_H__ |
| |