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rsx: Handle DMA block init where empty pages exist in the range

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kd-11 2022-03-28 22:29:39 +03:00 committed by kd-11
parent 94a7e52c1f
commit f45343a345
1 changed files with 23 additions and 3 deletions
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26
rpcs3/Emu/RSX/VK/VKDMA.cpp
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@ -73,9 +73,29 @@ namespace vk
// Initialize memory contents. This isn't something that happens often.
// Pre-loading the contents helps to avoid leakage when mixed types of allocations are in use (NVIDIA)
// TODO: Fix memory lost when old object goes out of use with in-flight data.
auto dst = allocated_memory->map(0, size);
auto src = vm::get_super_ptr(base_address);
std::memcpy(dst, src, size);
auto dst = static_cast<u8*>(allocated_memory->map(0, size));
auto src = vm::get_super_ptr<u8>(base_address);
if (rsx::get_location(base_address) == CELL_GCM_LOCATION_LOCAL ||
vm::check_addr(base_address, 0, static_cast<u32>(size))) [[ likely ]]
{
// Linear virtual memory space. Copy all at once.
std::memcpy(dst, src, size);
}
else
{
// Some games will have address holes in the range and page in data using faults.
// Copy page by page. Slow, but we only really have to do this a handful of times.
// Note that base_address is 16k aligned.
for (u32 address = base_address; address < (base_address + size); address += 4096, src += 4096, dst += 4096)
{
if (vm::check_addr(address, 0))
{
std::memcpy(dst, src, 4096);
}
}
}
allocated_memory->unmap();
s_allocated_dma_pool_size += allocated_memory->size();