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author | Fernando Sahmkow <fsahmkow27@gmail.com> | 2019-07-19 16:50:40 +0200 |
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committer | FernandoS27 <fsahmkow27@gmail.com> | 2019-08-21 18:14:22 +0200 |
commit | 862bec001b7ada13ba0e97f95d6ad108ae8a8d0c (patch) | |
tree | d366f7768d0acd4cbe1514a57b9fddcfb4c79eaa /src/video_core/buffer_cache/buffer_block.h | |
parent | Merge pull request #2748 from FernandoS27/align-memory (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/video_core/buffer_cache/buffer_block.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/src/video_core/buffer_cache/buffer_block.h b/src/video_core/buffer_cache/buffer_block.h new file mode 100644 index 000000000..2c739a586 --- /dev/null +++ b/src/video_core/buffer_cache/buffer_block.h @@ -0,0 +1,78 @@ +// Copyright 2019 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include <unordered_set> +#include <utility> + +#include "common/alignment.h" +#include "common/common_types.h" +#include "video_core/gpu.h" + +namespace VideoCommon { + +class BufferBlock { +public: + bool Overlaps(const CacheAddr start, const CacheAddr end) const { + return (cache_addr < end) && (cache_addr_end > start); + } + + bool IsInside(const CacheAddr other_start, const CacheAddr other_end) { + return (cache_addr <= other_start && other_end <= cache_addr_end); + } + + u8* GetWritableHostPtr() const { + return FromCacheAddr(cache_addr); + } + + u8* GetWritableHostPtr(std::size_t offset) const { + return FromCacheAddr(cache_addr + offset); + } + + std::size_t GetOffset(const CacheAddr in_addr) { + return static_cast<std::size_t>(in_addr - cache_addr); + } + + CacheAddr GetCacheAddr() const { + return cache_addr; + } + + CacheAddr GetCacheAddrEnd() const { + return cache_addr_end; + } + + void SetCacheAddr(const CacheAddr new_addr) { + cache_addr = new_addr; + cache_addr_end = new_addr + size; + } + + std::size_t GetSize() const { + return size; + } + + void SetEpoch(u64 new_epoch) { + epoch = new_epoch; + } + + u64 GetEpoch() { + return epoch; + } + +protected: + explicit BufferBlock(CacheAddr cache_addr,const std::size_t size) + : size{size} { + SetCacheAddr(cache_addr); + } + ~BufferBlock() = default; + +private: + CacheAddr cache_addr{}; + CacheAddr cache_addr_end{}; + u64 pages{}; + std::size_t size{}; + u64 epoch{}; +}; + +} // namespace VideoCommon |