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Implement IsBlockContinous

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This detects when a GPU Memory Block is not continous within host cpu
memory.
This commit is contained in:
Fernando Sahmkow
2019-04-16 15:45:24 -04:00
committed by FernandoS27
parent 13d626fc21
commit d0082de82a
2 changed files with 13 additions and 2 deletions
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8
src/video_core/memory_manager.cpp
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@ -199,6 +199,14 @@ const u8* MemoryManager::GetPointer(GPUVAddr addr) const {
return {};
}
bool MemoryManager::IsBlockContinous(const GPUVAddr start, const std::size_t size) {
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);
return range == size;
}
void MemoryManager::ReadBlock(GPUVAddr src_addr, void* dest_buffer, const std::size_t size) const {
std::size_t remaining_size{size};
std::size_t page_index{src_addr >> page_bits};