From 50259d7bdc5f36309e100d1be5ee6e4900a746fa Mon Sep 17 00:00:00 2001 From: Fernando Sahmkow Date: Wed, 18 Sep 2019 21:50:21 -0400 Subject: Core/Memory: Only FlushAndInvalidate GPU if the page is marked as RasterizerCachedMemory This commit avoids Invalidating and Flushing the GPU if the page is not marked as a RasterizerCache Page. --- src/core/memory.cpp | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) (limited to 'src/core') diff --git a/src/core/memory.cpp b/src/core/memory.cpp index 8555691c0..9e030789d 100644 --- a/src/core/memory.cpp +++ b/src/core/memory.cpp @@ -43,8 +43,13 @@ static void MapPages(Common::PageTable& page_table, VAddr base, u64 size, u8* me // During boot, current_page_table might not be set yet, in which case we need not flush if (Core::System::GetInstance().IsPoweredOn()) { - Core::System::GetInstance().GPU().FlushAndInvalidateRegion(base << PAGE_BITS, - size * PAGE_SIZE); + auto& gpu = Core::System::GetInstance().GPU(); + for (u64 i = 0; i < size; i++) { + const auto page = base + i; + if (page_table.attributes[page] == Common::PageType::RasterizerCachedMemory) { + gpu.FlushAndInvalidateRegion(page << PAGE_BITS, PAGE_SIZE); + } + } } VAddr end = base + size; -- cgit v1.2.3