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Implement Async downloads in normal and fix a few issues.

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This commit is contained in:
Fernando Sahmkow
2023-04-22 20:10:40 +02:00
parent f2d3212de9
commit ed4553806a
3 changed files with 61 additions and 39 deletions
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69
src/video_core/buffer_cache/buffer_cache.h
View File

@@ -22,6 +22,8 @@ BufferCache<P>::BufferCache(VideoCore::RasterizerInterface& rasterizer_,
void(slot_buffers.insert(runtime, NullBufferParams{}));
common_ranges.clear();
active_async_buffers = IMPLEMENTS_ASYNC_DOWNLOADS && !Settings::IsGPULevelHigh();
if (!runtime.CanReportMemoryUsage()) {
minimum_memory = DEFAULT_EXPECTED_MEMORY;
critical_memory = DEFAULT_CRITICAL_MEMORY;
@@ -72,6 +74,8 @@ void BufferCache<P>::TickFrame() {
uniform_cache_hits[0] = 0;
uniform_cache_shots[0] = 0;
active_async_buffers = IMPLEMENTS_ASYNC_DOWNLOADS && !Settings::IsGPULevelHigh();
const bool skip_preferred = hits * 256 < shots * 251;
uniform_buffer_skip_cache_size = skip_preferred ? DEFAULT_SKIP_CACHE_SIZE : 0;
@@ -130,7 +134,7 @@ void BufferCache<P>::WaitOnAsyncFlushes(VAddr cpu_addr, u64 size) {
template <class P>
void BufferCache<P>::ClearDownload(IntervalType subtract_interval) {
async_downloads -= std::make_pair(subtract_interval, std::numeric_limits<int>::max());
RemoveEachInOverlapCounter(async_downloads, subtract_interval, -1024);
uncommitted_ranges.subtract(subtract_interval);
pending_ranges.subtract(subtract_interval);
for (auto& interval_set : committed_ranges) {
@@ -173,18 +177,14 @@ bool BufferCache<P>::DMACopy(GPUVAddr src_address, GPUVAddr dest_address, u64 am
}};
boost::container::small_vector<IntervalType, 4> tmp_intervals;
const bool is_high_accuracy =
Settings::values.gpu_accuracy.GetValue() == Settings::GPUAccuracy::High;
auto mirror = [&](VAddr base_address, VAddr base_address_end) {
const u64 size = base_address_end - base_address;
const VAddr diff = base_address - *cpu_src_address;
const VAddr new_base_address = *cpu_dest_address + diff;
const IntervalType add_interval{new_base_address, new_base_address + size};
tmp_intervals.push_back(add_interval);
if (is_high_accuracy) {
uncommitted_ranges.add(add_interval);
pending_ranges.add(add_interval);
}
uncommitted_ranges.add(add_interval);
pending_ranges.add(add_interval);
};
ForEachInRangeSet(common_ranges, *cpu_src_address, amount, mirror);
// This subtraction in this order is important for overlapping copies.
@@ -468,7 +468,7 @@ void BufferCache<P>::CommitAsyncFlushesHigh() {
AccumulateFlushes();
if (committed_ranges.empty()) {
if constexpr (IMPLEMENTS_ASYNC_DOWNLOADS) {
if (active_async_buffers) {
async_buffers.emplace_back(std::optional<Async_Buffer>{});
}
return;
@@ -529,31 +529,33 @@ void BufferCache<P>::CommitAsyncFlushesHigh() {
}
committed_ranges.clear();
if (downloads.empty()) {
if constexpr (IMPLEMENTS_ASYNC_DOWNLOADS) {
if (active_async_buffers) {
async_buffers.emplace_back(std::optional<Async_Buffer>{});
}
return;
}
if constexpr (IMPLEMENTS_ASYNC_DOWNLOADS) {
auto download_staging = runtime.DownloadStagingBuffer(total_size_bytes, true);
boost::container::small_vector<BufferCopy, 4> normalized_copies;
IntervalSet new_async_range{};
runtime.PreCopyBarrier();
for (auto& [copy, buffer_id] : downloads) {
copy.dst_offset += download_staging.offset;
const std::array copies{copy};
BufferCopy second_copy{copy};
Buffer& buffer = slot_buffers[buffer_id];
second_copy.src_offset = static_cast<size_t>(buffer.CpuAddr()) + copy.src_offset;
VAddr orig_cpu_addr = static_cast<VAddr>(second_copy.src_offset);
const IntervalType base_interval{orig_cpu_addr, orig_cpu_addr + copy.size};
async_downloads += std::make_pair(base_interval, 1);
runtime.CopyBuffer(download_staging.buffer, buffer, copies, false);
normalized_copies.push_back(second_copy);
if (active_async_buffers) {
if constexpr (IMPLEMENTS_ASYNC_DOWNLOADS) {
auto download_staging = runtime.DownloadStagingBuffer(total_size_bytes, true);
boost::container::small_vector<BufferCopy, 4> normalized_copies;
IntervalSet new_async_range{};
runtime.PreCopyBarrier();
for (auto& [copy, buffer_id] : downloads) {
copy.dst_offset += download_staging.offset;
const std::array copies{copy};
BufferCopy second_copy{copy};
Buffer& buffer = slot_buffers[buffer_id];
second_copy.src_offset = static_cast<size_t>(buffer.CpuAddr()) + copy.src_offset;
VAddr orig_cpu_addr = static_cast<VAddr>(second_copy.src_offset);
const IntervalType base_interval{orig_cpu_addr, orig_cpu_addr + copy.size};
async_downloads += std::make_pair(base_interval, 1);
runtime.CopyBuffer(download_staging.buffer, buffer, copies, false);
normalized_copies.push_back(second_copy);
}
runtime.PostCopyBarrier();
pending_downloads.emplace_back(std::move(normalized_copies));
async_buffers.emplace_back(download_staging);
}
runtime.PostCopyBarrier();
pending_downloads.emplace_back(std::move(normalized_copies));
async_buffers.emplace_back(download_staging);
} else {
if constexpr (USE_MEMORY_MAPS) {
auto download_staging = runtime.DownloadStagingBuffer(total_size_bytes);
@@ -624,7 +626,8 @@ void BufferCache<P>::PopAsyncBuffers() {
common_ranges.subtract(base_interval);
}
});
async_downloads -= std::make_pair(IntervalType(cpu_addr, cpu_addr + copy.size), 1);
const IntervalType subtract_interval{cpu_addr, cpu_addr + copy.size};
RemoveEachInOverlapCounter(async_downloads, subtract_interval, -1);
}
runtime.FreeDeferredStagingBuffer(*async_buffer);
async_buffers.pop_front();
@@ -1198,10 +1201,8 @@ void BufferCache<P>::MarkWrittenBuffer(BufferId buffer_id, VAddr cpu_addr, u32 s
const IntervalType base_interval{cpu_addr, cpu_addr + size};
common_ranges.add(base_interval);
if (Settings::values.gpu_accuracy.GetValue() == Settings::GPUAccuracy::High) {
uncommitted_ranges.add(base_interval);
pending_ranges.add(base_interval);
}
uncommitted_ranges.add(base_interval);
pending_ranges.add(base_interval);
}
template <class P>
@@ -1542,7 +1543,7 @@ void BufferCache<P>::DownloadBufferMemory(Buffer& buffer, VAddr cpu_addr, u64 si
.size = new_size,
});
// Align up to avoid cache conflicts
constexpr u64 align = 8ULL;
constexpr u64 align = 64ULL;
constexpr u64 mask = ~(align - 1ULL);
total_size_bytes += (new_size + align - 1) & mask;
largest_copy = std::max(largest_copy, new_size);

25
src/video_core/buffer_cache/buffer_cache_base.h
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@@ -345,13 +345,30 @@ private:
if (inter_addr < start_address) {
inter_addr = start_address;
}
if (it->second <= 0) {
__debugbreak();
}
func(inter_addr, inter_addr_end, it->second);
}
}
void RemoveEachInOverlapCounter(OverlapCounter& current_range, const IntervalType search_interval, int subtract_value) {
bool any_removals = false;
current_range.add(std::make_pair(search_interval, subtract_value));
do {
any_removals = false;
auto it = current_range.lower_bound(search_interval);
if (it == current_range.end()) {
return;
}
auto end_it = current_range.upper_bound(search_interval);
for (; it != end_it; it++) {
if (it->second <= 0) {
any_removals = true;
current_range.erase(it);
break;
}
}
} while (any_removals);
}
static bool IsRangeGranular(VAddr cpu_addr, size_t size) {
return (cpu_addr & ~Core::Memory::YUZU_PAGEMASK) ==
((cpu_addr + size) & ~Core::Memory::YUZU_PAGEMASK);
@@ -554,6 +571,8 @@ private:
u64 minimum_memory = 0;
u64 critical_memory = 0;
bool active_async_buffers = false;
std::array<BufferId, ((1ULL << 39) >> PAGE_BITS)> page_table;
};

6
src/video_core/buffer_cache/word_manager.h
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@@ -273,7 +273,7 @@ public:
untracked_words[word_index] &= ~bits;
NotifyRasterizer<true>(word_index, current_bits, ~u64{0});
}
const u64 word = current_word;
const u64 word = current_word & ~(type == Type::GPU ? untracked_words[word_index] : 0);
u64 page = page_begin;
page_begin = 0;
@@ -321,6 +321,7 @@ public:
[[nodiscard]] bool IsRegionModified(u64 offset, u64 size) const noexcept {
static_assert(type != Type::Untracked);
const u64* const untracked_words = Array<Type::Untracked>();
const u64* const state_words = Array<type>();
const u64 num_query_words = size / BYTES_PER_WORD + 1;
const u64 word_begin = offset / BYTES_PER_WORD;
@@ -328,7 +329,8 @@ public:
const u64 page_limit = Common::DivCeil(offset + size, BYTES_PER_PAGE);
u64 page_index = (offset / BYTES_PER_PAGE) % PAGES_PER_WORD;
for (u64 word_index = word_begin; word_index < word_end; ++word_index, page_index = 0) {
const u64 word = state_words[word_index];
const u64 off_word = type == Type::GPU ? untracked_words[word_index] : 0;
const u64 word = state_words[word_index] & ~off_word;
if (word == 0) {
continue;
}