mirror of
https://github.com/yuzu-emu/yuzu.git
synced 2024-11-16 07:00:03 +00:00
66 lines
2.2 KiB
C++
66 lines
2.2 KiB
C++
// Copyright 2019 yuzu Emulator Project
|
|
// Licensed under GPLv2 or any later version
|
|
// Refer to the license.txt file included.
|
|
|
|
#include <mutex>
|
|
|
|
#include <boost/icl/interval_map.hpp>
|
|
#include <boost/range/iterator_range.hpp>
|
|
|
|
#include "common/assert.h"
|
|
#include "common/common_types.h"
|
|
#include "core/memory.h"
|
|
#include "video_core/rasterizer_accelerated.h"
|
|
|
|
namespace VideoCore {
|
|
|
|
namespace {
|
|
|
|
template <typename Map, typename Interval>
|
|
constexpr auto RangeFromInterval(Map& map, const Interval& interval) {
|
|
return boost::make_iterator_range(map.equal_range(interval));
|
|
}
|
|
|
|
} // Anonymous namespace
|
|
|
|
RasterizerAccelerated::RasterizerAccelerated(Core::Memory::Memory& cpu_memory_)
|
|
: cpu_memory{cpu_memory_} {}
|
|
|
|
RasterizerAccelerated::~RasterizerAccelerated() = default;
|
|
|
|
void RasterizerAccelerated::UpdatePagesCachedCount(VAddr addr, u64 size, int delta) {
|
|
std::lock_guard lock{pages_mutex};
|
|
const u64 page_start{addr >> Core::Memory::PAGE_BITS};
|
|
const u64 page_end{(addr + size + Core::Memory::PAGE_SIZE - 1) >> Core::Memory::PAGE_BITS};
|
|
|
|
// Interval maps will erase segments if count reaches 0, so if delta is negative we have to
|
|
// subtract after iterating
|
|
const auto pages_interval = CachedPageMap::interval_type::right_open(page_start, page_end);
|
|
if (delta > 0) {
|
|
cached_pages.add({pages_interval, delta});
|
|
}
|
|
|
|
for (const auto& pair : RangeFromInterval(cached_pages, pages_interval)) {
|
|
const auto interval = pair.first & pages_interval;
|
|
const int count = pair.second;
|
|
|
|
const VAddr interval_start_addr = boost::icl::first(interval) << Core::Memory::PAGE_BITS;
|
|
const VAddr interval_end_addr = boost::icl::last_next(interval) << Core::Memory::PAGE_BITS;
|
|
const u64 interval_size = interval_end_addr - interval_start_addr;
|
|
|
|
if (delta > 0 && count == delta) {
|
|
cpu_memory.RasterizerMarkRegionCached(interval_start_addr, interval_size, true);
|
|
} else if (delta < 0 && count == -delta) {
|
|
cpu_memory.RasterizerMarkRegionCached(interval_start_addr, interval_size, false);
|
|
} else {
|
|
ASSERT(count >= 0);
|
|
}
|
|
}
|
|
|
|
if (delta < 0) {
|
|
cached_pages.add({pages_interval, delta});
|
|
}
|
|
}
|
|
|
|
} // namespace VideoCore
|