From d0082de82a094c98a5ef8907583415daef91604a Mon Sep 17 00:00:00 2001 From: Fernando Sahmkow Date: Tue, 16 Apr 2019 15:45:24 -0400 Subject: Implement IsBlockContinous This detects when a GPU Memory Block is not continous within host cpu memory. --- src/video_core/memory_manager.cpp | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'src/video_core/memory_manager.cpp') diff --git a/src/video_core/memory_manager.cpp b/src/video_core/memory_manager.cpp index 18a8d2684..095a7e5a4 100644 --- a/src/video_core/memory_manager.cpp +++ b/src/video_core/memory_manager.cpp @@ -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(GetPointer(start)); + const auto host_ptr_end = reinterpret_cast(GetPointer(end)); + const std::size_t range = static_cast(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}; -- cgit v1.2.3