GPU MemoryManager: Implement ReadBlockUnsafe and WriteBlockUnsafe
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1f4dfb3998
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@ -226,6 +226,22 @@ void MemoryManager::ReadBlock(GPUVAddr src_addr, void* dest_buffer, std::size_t
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void MemoryManager::ReadBlockUnsafe(GPUVAddr src_addr, void* dest_buffer, std::size_t size) const {
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std::size_t remaining_size{size};
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std::size_t page_index{src_addr >> page_bits};
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std::size_t page_offset{src_addr & page_mask};
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while (remaining_size > 0) {
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const std::size_t copy_amount{
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std::min(static_cast<std::size_t>(page_size) - page_offset, remaining_size)};
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std::memcpy(dest_buffer, src_ptr, copy_amount);
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page_index++;
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page_offset = 0;
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dest_buffer = static_cast<u8*>(dest_buffer) + copy_amount;
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remaining_size -= copy_amount;
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}
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}
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void MemoryManager::WriteBlock(GPUVAddr dest_addr, const void* src_buffer, std::size_t size) {
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void MemoryManager::WriteBlock(GPUVAddr dest_addr, const void* src_buffer, std::size_t size) {
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std::size_t remaining_size{size};
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std::size_t remaining_size{size};
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std::size_t page_index{dest_addr >> page_bits};
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std::size_t page_index{dest_addr >> page_bits};
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@ -253,6 +269,22 @@ void MemoryManager::WriteBlock(GPUVAddr dest_addr, const void* src_buffer, std::
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}
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}
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void MemoryManager::WriteBlockUnsafe(GPUVAddr dest_addr, const void* src_buffer, std::size_t size) {
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std::size_t remaining_size{size};
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std::size_t page_index{dest_addr >> page_bits};
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std::size_t page_offset{dest_addr & page_mask};
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while (remaining_size > 0) {
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const std::size_t copy_amount{
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std::min(static_cast<std::size_t>(page_size) - page_offset, remaining_size)};
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std::memcpy(dest_ptr, src_buffer, copy_amount);
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page_index++;
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page_offset = 0;
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src_buffer = static_cast<const u8*>(src_buffer) + copy_amount;
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remaining_size -= copy_amount;
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}
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}
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void MemoryManager::CopyBlock(GPUVAddr dest_addr, GPUVAddr src_addr, std::size_t size) {
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void MemoryManager::CopyBlock(GPUVAddr dest_addr, GPUVAddr src_addr, std::size_t size) {
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std::size_t remaining_size{size};
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std::size_t remaining_size{size};
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std::size_t page_index{src_addr >> page_bits};
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std::size_t page_index{src_addr >> page_bits};
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@ -67,6 +67,8 @@ public:
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void ReadBlock(GPUVAddr src_addr, void* dest_buffer, std::size_t size) const;
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void ReadBlock(GPUVAddr src_addr, void* dest_buffer, std::size_t size) const;
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void WriteBlock(GPUVAddr dest_addr, const void* src_buffer, std::size_t size);
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void WriteBlock(GPUVAddr dest_addr, const void* src_buffer, std::size_t size);
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void ReadBlockUnsafe(GPUVAddr src_addr, void* dest_buffer, std::size_t size) const;
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void WriteBlockUnsafe(GPUVAddr dest_addr, const void* src_buffer, std::size_t size);
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void CopyBlock(GPUVAddr dest_addr, GPUVAddr src_addr, std::size_t size);
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void CopyBlock(GPUVAddr dest_addr, GPUVAddr src_addr, std::size_t size);
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private:
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private:
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