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Use spans over guest memory where possible instead of copying data.

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This commit is contained in:
Kelebek1
2023-05-29 00:35:51 +01:00
parent 95ceae40e6
commit 6f7cb69c94
22 changed files with 462 additions and 233 deletions
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18
src/video_core/memory_manager.h
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@ -15,6 +15,7 @@
#include "common/range_map.h"
#include "common/scratch_buffer.h"
#include "common/virtual_buffer.h"
#include "core/memory.h"
#include "video_core/cache_types.h"
#include "video_core/pte_kind.h"
@ -62,6 +63,20 @@ public:
[[nodiscard]] u8* GetPointer(GPUVAddr addr);
[[nodiscard]] const u8* GetPointer(GPUVAddr addr) const;
template <typename T>
[[nodiscard]] T* GetPointer(GPUVAddr addr) {
const auto address{GpuToCpuAddress(addr)};
if (!address) {
return {};
}
return memory.GetPointer(*address);
}
template <typename T>
[[nodiscard]] const T* GetPointer(GPUVAddr addr) const {
return GetPointer<T*>(addr);
}
/**
* ReadBlock and WriteBlock are full read and write operations over virtual
* GPU Memory. It's important to use these when GPU memory may not be continuous
@ -139,6 +154,9 @@ public:
void FlushCaching();
const u8* GetSpan(const GPUVAddr src_addr, const std::size_t size) const;
u8* GetSpan(const GPUVAddr src_addr, const std::size_t size);
private:
template <bool is_big_pages, typename FuncMapped, typename FuncReserved, typename FuncUnmapped>
inline void MemoryOperation(GPUVAddr gpu_src_addr, std::size_t size, FuncMapped&& func_mapped,