diff options
Diffstat (limited to 'src/video_core/rasterizer_accelerated.cpp')
-rw-r--r-- | src/video_core/rasterizer_accelerated.cpp | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/src/video_core/rasterizer_accelerated.cpp b/src/video_core/rasterizer_accelerated.cpp deleted file mode 100644 index f200a650f..000000000 --- a/src/video_core/rasterizer_accelerated.cpp +++ /dev/null @@ -1,72 +0,0 @@ -// SPDX-FileCopyrightText: Copyright 2019 yuzu Emulator Project -// SPDX-License-Identifier: GPL-2.0-or-later - -#include <atomic> - -#include "common/assert.h" -#include "common/common_types.h" -#include "common/div_ceil.h" -#include "core/memory.h" -#include "video_core/rasterizer_accelerated.h" - -namespace VideoCore { - -using namespace Core::Memory; - -RasterizerAccelerated::RasterizerAccelerated(Memory& cpu_memory_) - : cached_pages(std::make_unique<CachedPages>()), cpu_memory{cpu_memory_} {} - -RasterizerAccelerated::~RasterizerAccelerated() = default; - -void RasterizerAccelerated::UpdatePagesCachedCount(VAddr addr, u64 size, int delta) { - u64 uncache_begin = 0; - u64 cache_begin = 0; - u64 uncache_bytes = 0; - u64 cache_bytes = 0; - - std::atomic_thread_fence(std::memory_order_acquire); - const u64 page_end = Common::DivCeil(addr + size, YUZU_PAGESIZE); - for (u64 page = addr >> YUZU_PAGEBITS; page != page_end; ++page) { - std::atomic_uint16_t& count = cached_pages->at(page >> 2).Count(page); - - if (delta > 0) { - ASSERT_MSG(count.load(std::memory_order::relaxed) < UINT16_MAX, "Count may overflow!"); - } else if (delta < 0) { - ASSERT_MSG(count.load(std::memory_order::relaxed) > 0, "Count may underflow!"); - } else { - ASSERT_MSG(false, "Delta must be non-zero!"); - } - - // Adds or subtracts 1, as count is a unsigned 8-bit value - count.fetch_add(static_cast<u16>(delta), std::memory_order_release); - - // Assume delta is either -1 or 1 - if (count.load(std::memory_order::relaxed) == 0) { - if (uncache_bytes == 0) { - uncache_begin = page; - } - uncache_bytes += YUZU_PAGESIZE; - } else if (uncache_bytes > 0) { - cpu_memory.RasterizerMarkRegionCached(uncache_begin << YUZU_PAGEBITS, uncache_bytes, - false); - uncache_bytes = 0; - } - if (count.load(std::memory_order::relaxed) == 1 && delta > 0) { - if (cache_bytes == 0) { - cache_begin = page; - } - cache_bytes += YUZU_PAGESIZE; - } else if (cache_bytes > 0) { - cpu_memory.RasterizerMarkRegionCached(cache_begin << YUZU_PAGEBITS, cache_bytes, true); - cache_bytes = 0; - } - } - if (uncache_bytes > 0) { - cpu_memory.RasterizerMarkRegionCached(uncache_begin << YUZU_PAGEBITS, uncache_bytes, false); - } - if (cache_bytes > 0) { - cpu_memory.RasterizerMarkRegionCached(cache_begin << YUZU_PAGEBITS, cache_bytes, true); - } -} - -} // namespace VideoCore |