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Merge pull request #2462 from lioncash/video-mm 

video_core/memory_manager: Minor tidying
merge-requests/60/head
Mat M 2019-05-14 06:40:33 +07:00 committed by GitHub
parent dadcf317dc 716fbaef74
commit c4d549919f
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 20 additions and 17 deletions
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6
src/video_core/memory_manager.cpp
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@ -25,6 +25,8 @@ MemoryManager::MemoryManager(VideoCore::RasterizerInterface& rasterizer) : raste
UpdatePageTableForVMA(initial_vma);
}
MemoryManager::~MemoryManager() = default;
GPUVAddr MemoryManager::AllocateSpace(u64 size, u64 align) {
const u64 aligned_size{Common::AlignUp(size, page_size)};
const GPUVAddr gpu_addr{FindFreeRegion(address_space_base, aligned_size)};
@ -199,11 +201,11 @@ const u8* MemoryManager::GetPointer(GPUVAddr addr) const {
return {};
}
bool MemoryManager::IsBlockContinous(const GPUVAddr start, const std::size_t size) {
bool MemoryManager::IsBlockContinuous(const GPUVAddr start, const std::size_t size) const {
const GPUVAddr end = start + size;
const auto host_ptr_start = reinterpret_cast<std::uintptr_t>(GetPointer(start));
const auto host_ptr_end = reinterpret_cast<std::uintptr_t>(GetPointer(end));
const std::size_t range = static_cast<std::size_t>(host_ptr_end - host_ptr_start);
const auto range = static_cast<std::size_t>(host_ptr_end - host_ptr_start);
return range == size;
}

31
src/video_core/memory_manager.h
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@ -47,7 +47,8 @@ struct VirtualMemoryArea {
class MemoryManager final {
public:
MemoryManager(VideoCore::RasterizerInterface& rasterizer);
explicit MemoryManager(VideoCore::RasterizerInterface& rasterizer);
~MemoryManager();
GPUVAddr AllocateSpace(u64 size, u64 align);
GPUVAddr AllocateSpace(GPUVAddr addr, u64 size, u64 align);
@ -65,18 +66,18 @@ public:
u8* GetPointer(GPUVAddr addr);
const u8* GetPointer(GPUVAddr addr) const;
// Returns true if the block is continous in host memory, false otherwise
bool IsBlockContinous(const GPUVAddr start, const std::size_t size);
/// Returns true if the block is continuous in host memory, false otherwise
bool IsBlockContinuous(GPUVAddr start, std::size_t size) const;
/**
* 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 continous
* GPU Memory. It's important to use these when GPU memory may not be continuous
* in the Host Memory counterpart. Note: This functions cause Host GPU Memory
* Flushes and Invalidations, respectively to each operation.
*/
void ReadBlock(GPUVAddr src_addr, void* dest_buffer, const std::size_t size) const;
void WriteBlock(GPUVAddr dest_addr, const void* src_buffer, const std::size_t size);
void CopyBlock(GPUVAddr dest_addr, GPUVAddr src_addr, const std::size_t size);
void ReadBlock(GPUVAddr src_addr, void* dest_buffer, std::size_t size) const;
void WriteBlock(GPUVAddr dest_addr, const void* src_buffer, std::size_t size);
void CopyBlock(GPUVAddr dest_addr, GPUVAddr src_addr, std::size_t size);
/**
* ReadBlockUnsafe and WriteBlockUnsafe are special versions of ReadBlock and
@ -88,9 +89,9 @@ public:
* WriteBlockUnsafe instead of WriteBlock since it shouldn't invalidate the texture
* being flushed.
*/
void ReadBlockUnsafe(GPUVAddr src_addr, void* dest_buffer, const std::size_t size) const;
void WriteBlockUnsafe(GPUVAddr dest_addr, const void* src_buffer, const std::size_t size);
void CopyBlockUnsafe(GPUVAddr dest_addr, GPUVAddr src_addr, const std::size_t size);
void ReadBlockUnsafe(GPUVAddr src_addr, void* dest_buffer, std::size_t size) const;
void WriteBlockUnsafe(GPUVAddr dest_addr, const void* src_buffer, std::size_t size);
void CopyBlockUnsafe(GPUVAddr dest_addr, GPUVAddr src_addr, std::size_t size);
private:
using VMAMap = std::map<GPUVAddr, VirtualMemoryArea>;
@ -111,10 +112,10 @@ private:
/**
* Maps an unmanaged host memory pointer at a given address.
*
* @param target The guest address to start the mapping at.
* @param memory The memory to be mapped.
* @param size Size of the mapping.
* @param state MemoryState tag to attach to the VMA.
* @param target The guest address to start the mapping at.
* @param memory The memory to be mapped.
* @param size Size of the mapping in bytes.
* @param backing_addr The base address of the range to back this mapping.
*/
VMAHandle MapBackingMemory(GPUVAddr target, u8* memory, u64 size, VAddr backing_addr);
@ -124,7 +125,7 @@ private:
/// Converts a VMAHandle to a mutable VMAIter.
VMAIter StripIterConstness(const VMAHandle& iter);
/// Marks as the specfied VMA as allocated.
/// Marks as the specified VMA as allocated.
VMAIter Allocate(VMAIter vma);
/**