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author | bunnei <bunneidev@gmail.com> | 2019-03-29 02:58:28 +0100 |
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committer | bunnei <bunneidev@gmail.com> | 2019-04-06 05:43:34 +0200 |
commit | 20be92d5e623a348560dd9f764a9208a99cbc758 (patch) | |
tree | 667ab57d872946e792fd1f058b87bbb9a86ab878 /src/video_core/memory_manager.cpp | |
parent | Merge pull request #2350 from lioncash/vmem (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/video_core/memory_manager.cpp | 87 |
1 files changed, 77 insertions, 10 deletions
diff --git a/src/video_core/memory_manager.cpp b/src/video_core/memory_manager.cpp index 8417324ff..0f4e820aa 100644 --- a/src/video_core/memory_manager.cpp +++ b/src/video_core/memory_manager.cpp @@ -5,16 +5,13 @@ #include "common/alignment.h" #include "common/assert.h" #include "common/logging/log.h" -#include "core/core.h" #include "core/memory.h" -#include "video_core/gpu.h" #include "video_core/memory_manager.h" #include "video_core/rasterizer_interface.h" -#include "video_core/renderer_base.h" namespace Tegra { -MemoryManager::MemoryManager() { +MemoryManager::MemoryManager(VideoCore::RasterizerInterface& rasterizer) : rasterizer{rasterizer} { std::fill(page_table.pointers.begin(), page_table.pointers.end(), nullptr); std::fill(page_table.attributes.begin(), page_table.attributes.end(), Common::PageType::Unmapped); @@ -70,8 +67,7 @@ GPUVAddr MemoryManager::UnmapBuffer(GPUVAddr gpu_addr, u64 size) { const u64 aligned_size{Common::AlignUp(size, page_size)}; const CacheAddr cache_addr{ToCacheAddr(GetPointer(gpu_addr))}; - Core::System::GetInstance().Renderer().Rasterizer().FlushAndInvalidateRegion(cache_addr, - aligned_size); + rasterizer.FlushAndInvalidateRegion(cache_addr, aligned_size); UnmapRange(gpu_addr, aligned_size); return gpu_addr; @@ -204,14 +200,85 @@ const u8* MemoryManager::GetPointer(GPUVAddr addr) const { } void MemoryManager::ReadBlock(GPUVAddr src_addr, void* dest_buffer, std::size_t size) const { - std::memcpy(dest_buffer, GetPointer(src_addr), size); + std::size_t remaining_size{size}; + std::size_t page_index{src_addr >> page_bits}; + std::size_t page_offset{src_addr & page_mask}; + + while (remaining_size > 0) { + const std::size_t copy_amount{ + std::min(static_cast<std::size_t>(page_size) - page_offset, remaining_size)}; + + switch (page_table.attributes[page_index]) { + case Common::PageType::Memory: { + const u8* src_ptr{page_table.pointers[page_index] + page_offset}; + rasterizer.FlushRegion(ToCacheAddr(src_ptr), copy_amount); + std::memcpy(dest_buffer, src_ptr, copy_amount); + break; + } + default: + UNREACHABLE(); + } + + page_index++; + page_offset = 0; + dest_buffer = static_cast<u8*>(dest_buffer) + copy_amount; + remaining_size -= copy_amount; + } } + void MemoryManager::WriteBlock(GPUVAddr dest_addr, const void* src_buffer, std::size_t size) { - std::memcpy(GetPointer(dest_addr), src_buffer, size); + std::size_t remaining_size{size}; + std::size_t page_index{dest_addr >> page_bits}; + std::size_t page_offset{dest_addr & page_mask}; + + while (remaining_size > 0) { + const std::size_t copy_amount{ + std::min(static_cast<std::size_t>(page_size) - page_offset, remaining_size)}; + + switch (page_table.attributes[page_index]) { + case Common::PageType::Memory: { + u8* dest_ptr{page_table.pointers[page_index] + page_offset}; + rasterizer.InvalidateRegion(ToCacheAddr(dest_ptr), copy_amount); + std::memcpy(dest_ptr, src_buffer, copy_amount); + break; + } + default: + UNREACHABLE(); + } + + page_index++; + page_offset = 0; + src_buffer = static_cast<const u8*>(src_buffer) + copy_amount; + remaining_size -= copy_amount; + } } void MemoryManager::CopyBlock(GPUVAddr dest_addr, GPUVAddr src_addr, std::size_t size) { - std::memcpy(GetPointer(dest_addr), GetPointer(src_addr), size); + std::size_t remaining_size{size}; + std::size_t page_index{src_addr >> page_bits}; + std::size_t page_offset{src_addr & page_mask}; + + while (remaining_size > 0) { + const std::size_t copy_amount{ + std::min(static_cast<std::size_t>(page_size) - page_offset, remaining_size)}; + + switch (page_table.attributes[page_index]) { + case Common::PageType::Memory: { + const u8* src_ptr{page_table.pointers[page_index] + page_offset}; + rasterizer.FlushRegion(ToCacheAddr(src_ptr), copy_amount); + WriteBlock(dest_addr, src_ptr, copy_amount); + break; + } + default: + UNREACHABLE(); + } + + page_index++; + page_offset = 0; + dest_addr += static_cast<VAddr>(copy_amount); + src_addr += static_cast<VAddr>(copy_amount); + remaining_size -= copy_amount; + } } void MemoryManager::MapPages(GPUVAddr base, u64 size, u8* memory, Common::PageType type, @@ -351,7 +418,7 @@ MemoryManager::VMAIter MemoryManager::CarveVMA(GPUVAddr base, u64 size) { const VirtualMemoryArea& vma{vma_handle->second}; if (vma.type == VirtualMemoryArea::Type::Mapped) { // Region is already allocated - return {}; + return vma_handle; } const VAddr start_in_vma{base - vma.base}; |