| /* |
| * Copyright (c) 2017, Intel Corporation |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included |
| * in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| * OTHER DEALINGS IN THE SOFTWARE. |
| */ |
| //! |
| //! \file codechal_allocator.h |
| //! \brief A generic resource allocator |
| //! |
| |
| #ifndef __CODECHAL_ALLOCATOR_H__ |
| #define __CODECHAL_ALLOCATOR_H__ |
| |
| #include "codechal.h" |
| #include <map> |
| |
| //! |
| //! This class provides a generic resource allocation service. |
| //! So far support 3 types: 1D buffer, 2D surface, and batch buffer |
| //! |
| class CodechalAllocator |
| { |
| public: |
| //! |
| //! \brief Constructor |
| //! |
| CodechalAllocator(MOS_INTERFACE*); |
| |
| //! |
| //! \brief Destructor |
| //! |
| virtual ~CodechalAllocator(); |
| |
| protected: |
| //! |
| //! \brief Resource's unique ID contains different level of info, search/match can be performed |
| //! based on different level |
| //! |
| //! \return resource's 64-bit tag |
| //! |
| enum Match |
| { |
| matchLevel0 = 0, |
| matchLevel1 = 1, |
| matchAll = 2 |
| }; |
| |
| //! |
| //! \brief Get resource's 64-bit tag according to resource's ID and match level |
| //! |
| //! \return resource's 64-bit tag |
| //! |
| uint64_t GetResourceTag(uint16_t resourceID, Match level); |
| |
| //! |
| //! \brief Get resource's address/pointer according to resource's ID and match level |
| //! |
| //! \return resource's address/pointer, NULL if resource does not exist in the list |
| //! |
| void* GetResourcePointer(uint16_t resourceID, Match level); |
| |
| //! |
| //! \brief Allocate 1D buffer |
| //! |
| //! \return pointer to 1D buffer |
| //! |
| void* Allocate1DBuffer(uint64_t resourceTag, uint32_t size, |
| const char *bufName, bool zeroOnAllocation = false, uint32_t dwMemType = 0); |
| |
| //! |
| //! \brief Allocate 2D buffer |
| //! |
| //! \return pointer to 2D buffer |
| //! |
| void* Allocate2DBuffer( |
| uint64_t resourceTag, uint32_t width, uint32_t height, MOS_FORMAT format, |
| MOS_TILE_TYPE tile, const char *bufName, bool zeroOnAllocation = false, uint32_t dwMemType = 0); |
| |
| //! |
| //! \brief Allocate batch buffer |
| //! |
| //! \return pointer to batch buffer |
| //! |
| void* AllocateBatchBuffer(uint64_t resourceTag, uint32_t size, bool zeroOnAllocation = false); |
| |
| //! |
| //! \brief Release a resource |
| //! |
| void ReleaseResource(uint16_t resourceID, Match level); |
| |
| private: |
| CodechalAllocator(const CodechalAllocator&) = delete; |
| CodechalAllocator& operator=(const CodechalAllocator&) = delete; |
| |
| bool Is1DBuffer(uint64_t resourceTag); |
| bool Is2DBuffer(uint64_t resourceTag); |
| bool IsBatchBuffer(uint64_t resourceTag); |
| void ClearResource(MOS_RESOURCE*, size_t); |
| void Deallocate(uint64_t tag, void* pointer); |
| |
| //! |
| //! \brief Get resource's ID according to different level info for purpose of match at different level |
| //! Derivde class to implement this |
| //! |
| //! \return resource's 16-bit ID containing corresponding level-identifiable info |
| //! |
| virtual uint16_t GetResourceID(uint64_t resourceTag, Match level) = 0; |
| |
| MOS_INTERFACE* m_osInterface = nullptr; //!< OS interface |
| std::map<uint64_t, void*> m_resourceList{}; //!< list of <tag, pointer> |
| }; |
| |
| #endif // __CODECHAL_ALLOCATOR_H__ |