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-rw-r--r--src/video_core/buffer_cache/buffer_cache.h229
-rw-r--r--src/video_core/buffer_cache/buffer_cache_base.h65
2 files changed, 154 insertions, 140 deletions
diff --git a/src/video_core/buffer_cache/buffer_cache.h b/src/video_core/buffer_cache/buffer_cache.h
index a0701ce4e..43fe5b080 100644
--- a/src/video_core/buffer_cache/buffer_cache.h
+++ b/src/video_core/buffer_cache/buffer_cache.h
@@ -11,6 +11,8 @@
namespace VideoCommon {
+using Core::Memory::YUZU_PAGESIZE;
+
template <class P>
BufferCache<P>::BufferCache(VideoCore::RasterizerInterface& rasterizer_,
Core::Memory::Memory& cpu_memory_, Runtime& runtime_)
@@ -87,9 +89,11 @@ void BufferCache<P>::TickFrame() {
template <class P>
void BufferCache<P>::WriteMemory(VAddr cpu_addr, u64 size) {
memory_tracker.MarkRegionAsCpuModified(cpu_addr, size);
- const IntervalType subtract_interval{cpu_addr, cpu_addr + size};
- ClearDownload(subtract_interval);
- common_ranges.subtract(subtract_interval);
+ if (memory_tracker.IsRegionGpuModified(cpu_addr, size)) {
+ const IntervalType subtract_interval{cpu_addr, cpu_addr + size};
+ ClearDownload(subtract_interval);
+ common_ranges.subtract(subtract_interval);
+ }
}
template <class P>
@@ -102,17 +106,33 @@ void BufferCache<P>::CachedWriteMemory(VAddr cpu_addr, u64 size) {
template <class P>
void BufferCache<P>::DownloadMemory(VAddr cpu_addr, u64 size) {
+ WaitOnAsyncFlushes(cpu_addr, size);
ForEachBufferInRange(cpu_addr, size, [&](BufferId, Buffer& buffer) {
DownloadBufferMemory(buffer, cpu_addr, size);
});
}
template <class P>
+void BufferCache<P>::WaitOnAsyncFlushes(VAddr cpu_addr, u64 size) {
+ bool must_wait = false;
+ ForEachInOverlapCounter(async_downloads, cpu_addr, size,
+ [&](VAddr, VAddr, int) { must_wait = true; });
+ bool must_release = false;
+ ForEachInRangeSet(pending_ranges, cpu_addr, size, [&](VAddr, VAddr) { must_release = true; });
+ if (must_release) {
+ std::function<void()> tmp([]() {});
+ rasterizer.SignalFence(std::move(tmp));
+ }
+ if (must_wait || must_release) {
+ rasterizer.ReleaseFences();
+ }
+}
+
+template <class P>
void BufferCache<P>::ClearDownload(IntervalType subtract_interval) {
+ async_downloads -= std::make_pair(subtract_interval, std::numeric_limits<int>::max());
uncommitted_ranges.subtract(subtract_interval);
- for (auto& interval_set : async_downloads) {
- interval_set.subtract(subtract_interval);
- }
+ pending_ranges.subtract(subtract_interval);
for (auto& interval_set : committed_ranges) {
interval_set.subtract(subtract_interval);
}
@@ -132,6 +152,7 @@ bool BufferCache<P>::DMACopy(GPUVAddr src_address, GPUVAddr dest_address, u64 am
}
const IntervalType subtract_interval{*cpu_dest_address, *cpu_dest_address + amount};
+ WaitOnAsyncFlushes(*cpu_src_address, static_cast<u32>(amount));
ClearDownload(subtract_interval);
BufferId buffer_a;
@@ -162,6 +183,7 @@ bool BufferCache<P>::DMACopy(GPUVAddr src_address, GPUVAddr dest_address, u64 am
tmp_intervals.push_back(add_interval);
if (is_high_accuracy) {
uncommitted_ranges.add(add_interval);
+ pending_ranges.add(add_interval);
}
};
ForEachInRangeSet(common_ranges, *cpu_src_address, amount, mirror);
@@ -413,18 +435,15 @@ template <class P>
void BufferCache<P>::FlushCachedWrites() {
cached_write_buffer_ids.clear();
memory_tracker.FlushCachedWrites();
- /*for (auto& interval : cached_ranges) {
- VAddr cpu_addr = interval.lower();
- const std::size_t size = interval.upper() - interval.lower();
- memory_tracker.FlushCachedWrites(cpu_addr, size);
- // common_ranges.subtract(interval);
- }*/
+ for (auto& interval : cached_ranges) {
+ ClearDownload(interval);
+ }
cached_ranges.clear();
}
template <class P>
bool BufferCache<P>::HasUncommittedFlushes() const noexcept {
- return !uncommitted_ranges.empty() || !committed_ranges.empty() || !pending_queries.empty();
+ return !uncommitted_ranges.empty() || !committed_ranges.empty();
}
template <class P>
@@ -437,8 +456,11 @@ void BufferCache<P>::AccumulateFlushes() {
template <class P>
bool BufferCache<P>::ShouldWaitAsyncFlushes() const noexcept {
- return (!async_buffers.empty() && async_buffers.front().has_value()) ||
- (!query_async_buffers.empty() && query_async_buffers.front().has_value());
+ if constexpr (IMPLEMENTS_ASYNC_DOWNLOADS) {
+ return (!async_buffers.empty() && async_buffers.front().has_value());
+ } else {
+ return false;
+ }
}
template <class P>
@@ -446,11 +468,14 @@ void BufferCache<P>::CommitAsyncFlushesHigh() {
AccumulateFlushes();
if (committed_ranges.empty()) {
- async_buffers.emplace_back(std::optional<Async_Buffer>{});
+ if constexpr (IMPLEMENTS_ASYNC_DOWNLOADS) {
+ async_buffers.emplace_back(std::optional<Async_Buffer>{});
+ }
return;
}
MICROPROFILE_SCOPE(GPU_DownloadMemory);
+ pending_ranges.clear();
auto it = committed_ranges.begin();
while (it != committed_ranges.end()) {
auto& current_intervals = *it;
@@ -491,7 +516,7 @@ void BufferCache<P>::CommitAsyncFlushesHigh() {
buffer_id,
});
// 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);
@@ -504,7 +529,9 @@ void BufferCache<P>::CommitAsyncFlushesHigh() {
}
committed_ranges.clear();
if (downloads.empty()) {
- async_buffers.emplace_back(std::optional<Async_Buffer>{});
+ if constexpr (IMPLEMENTS_ASYNC_DOWNLOADS) {
+ async_buffers.emplace_back(std::optional<Async_Buffer>{});
+ }
return;
}
if constexpr (IMPLEMENTS_ASYNC_DOWNLOADS) {
@@ -520,99 +547,54 @@ void BufferCache<P>::CommitAsyncFlushesHigh() {
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};
- new_async_range.add(base_interval);
+ async_downloads += std::make_pair(base_interval, 1);
runtime.CopyBuffer(download_staging.buffer, buffer, copies, false);
normalized_copies.push_back(second_copy);
}
- async_downloads.emplace_back(std::move(new_async_range));
+ runtime.PostCopyBarrier();
pending_downloads.emplace_back(std::move(normalized_copies));
async_buffers.emplace_back(download_staging);
} else {
- const std::span<u8> immediate_buffer = ImmediateBuffer(largest_copy);
- for (const auto& [copy, buffer_id] : downloads) {
- Buffer& buffer = slot_buffers[buffer_id];
- buffer.ImmediateDownload(copy.src_offset, immediate_buffer.subspan(0, copy.size));
- const VAddr cpu_addr = buffer.CpuAddr() + copy.src_offset;
- cpu_memory.WriteBlockUnsafe(cpu_addr, immediate_buffer.data(), copy.size);
- }
- }
-}
-
-template <class P>
-void BufferCache<P>::CommitAsyncQueries() {
- if (pending_queries.empty()) {
- query_async_buffers.emplace_back(std::optional<Async_Buffer>{});
- return;
- }
-
- MICROPROFILE_SCOPE(GPU_DownloadMemory);
- boost::container::small_vector<std::pair<BufferCopy, BufferId>, 8> downloads;
- u64 total_size_bytes = 0;
- u64 largest_copy = 0;
- do {
- has_deleted_buffers = false;
- downloads.clear();
- total_size_bytes = 0;
- largest_copy = 0;
- for (const auto& query_info : pending_queries) {
- const std::size_t size = query_info.second;
- const VAddr cpu_addr = query_info.first;
- const BufferId buffer_id = FindBuffer(cpu_addr, static_cast<u32>(size));
- Buffer& buffer = slot_buffers[buffer_id];
- if (has_deleted_buffers) {
- break;
+ if constexpr (USE_MEMORY_MAPS) {
+ auto download_staging = runtime.DownloadStagingBuffer(total_size_bytes);
+ runtime.PreCopyBarrier();
+ for (auto& [copy, buffer_id] : downloads) {
+ // Have in mind the staging buffer offset for the copy
+ copy.dst_offset += download_staging.offset;
+ const std::array copies{copy};
+ runtime.CopyBuffer(download_staging.buffer, slot_buffers[buffer_id], copies, false);
+ }
+ runtime.PostCopyBarrier();
+ runtime.Finish();
+ for (const auto& [copy, buffer_id] : downloads) {
+ const Buffer& buffer = slot_buffers[buffer_id];
+ const VAddr cpu_addr = buffer.CpuAddr() + copy.src_offset;
+ // Undo the modified offset
+ const u64 dst_offset = copy.dst_offset - download_staging.offset;
+ const u8* read_mapped_memory = download_staging.mapped_span.data() + dst_offset;
+ cpu_memory.WriteBlockUnsafe(cpu_addr, read_mapped_memory, copy.size);
+ }
+ } else {
+ const std::span<u8> immediate_buffer = ImmediateBuffer(largest_copy);
+ for (const auto& [copy, buffer_id] : downloads) {
+ Buffer& buffer = slot_buffers[buffer_id];
+ buffer.ImmediateDownload(copy.src_offset, immediate_buffer.subspan(0, copy.size));
+ const VAddr cpu_addr = buffer.CpuAddr() + copy.src_offset;
+ cpu_memory.WriteBlockUnsafe(cpu_addr, immediate_buffer.data(), copy.size);
}
- downloads.push_back({
- BufferCopy{
- .src_offset = buffer.Offset(cpu_addr),
- .dst_offset = total_size_bytes,
- .size = size,
- },
- buffer_id,
- });
- constexpr u64 align = 8ULL;
- constexpr u64 mask = ~(align - 1ULL);
- total_size_bytes += (size + align - 1) & mask;
- largest_copy = std::max(largest_copy, size);
- }
- } while (has_deleted_buffers);
- pending_queries.clear();
- if (downloads.empty()) {
- query_async_buffers.push_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, 8> normalized_copies;
- runtime.PreCopyBarrier();
- for (auto& [copy, buffer_id] : downloads) {
- // Have in mind the staging buffer offset for the copy
- copy.dst_offset += download_staging.offset;
- const std::array copies{copy};
- const Buffer& buffer = slot_buffers[buffer_id];
- BufferCopy second_copy{copy};
- second_copy.src_offset = static_cast<size_t>(buffer.CpuAddr()) + second_copy.src_offset;
- runtime.CopyBuffer(download_staging.buffer, buffer, copies, false);
- normalized_copies.push_back(second_copy);
}
- committed_queries.emplace_back(std::move(normalized_copies));
- query_async_buffers.emplace_back(download_staging);
- } else {
- query_async_buffers.push_back(std::optional<Async_Buffer>{});
}
}
template <class P>
void BufferCache<P>::CommitAsyncFlushes() {
CommitAsyncFlushesHigh();
- CommitAsyncQueries();
}
template <class P>
void BufferCache<P>::PopAsyncFlushes() {
MICROPROFILE_SCOPE(GPU_DownloadMemory);
PopAsyncBuffers();
- PopAsyncQueries();
}
template <class P>
@@ -627,59 +609,34 @@ void BufferCache<P>::PopAsyncBuffers() {
if constexpr (IMPLEMENTS_ASYNC_DOWNLOADS) {
auto& downloads = pending_downloads.front();
auto& async_buffer = async_buffers.front();
- auto& async_range = async_downloads.front();
u8* base = async_buffer->mapped_span.data();
const size_t base_offset = async_buffer->offset;
for (const auto& copy : downloads) {
const VAddr cpu_addr = static_cast<VAddr>(copy.src_offset);
const u64 dst_offset = copy.dst_offset - base_offset;
const u8* read_mapped_memory = base + dst_offset;
- ForEachInRangeSet(async_range, cpu_addr, copy.size, [&](VAddr start, VAddr end) {
- const size_t diff = start - cpu_addr;
- const size_t new_size = end - start;
- cpu_memory.WriteBlockUnsafe(start, &read_mapped_memory[diff], new_size);
- const IntervalType base_interval{start, end};
- common_ranges.subtract(base_interval);
- });
+ ForEachInOverlapCounter(
+ async_downloads, cpu_addr, copy.size, [&](VAddr start, VAddr end, int count) {
+ cpu_memory.WriteBlockUnsafe(start, &read_mapped_memory[start - cpu_addr],
+ end - start);
+ if (count == 1) {
+ const IntervalType base_interval{start, end};
+ common_ranges.subtract(base_interval);
+ }
+ });
+ async_downloads -= std::make_pair(IntervalType(cpu_addr, cpu_addr + copy.size), 1);
}
runtime.FreeDeferredStagingBuffer(*async_buffer);
async_buffers.pop_front();
pending_downloads.pop_front();
- async_downloads.pop_front();
- }
-}
-
-template <class P>
-void BufferCache<P>::PopAsyncQueries() {
- if constexpr (IMPLEMENTS_ASYNC_DOWNLOADS) {
- if (query_async_buffers.empty()) {
- return;
- }
- if (!query_async_buffers.front().has_value()) {
- query_async_buffers.pop_front();
- return;
- }
- auto& downloads = committed_queries.front();
- auto& async_buffer = query_async_buffers.front();
- flushed_queries.clear();
- u8* base = async_buffer->mapped_span.data();
- const size_t base_offset = async_buffer->offset;
- for (const auto& copy : downloads) {
- const size_t dst_offset = copy.dst_offset - base_offset;
- const u8* read_mapped_memory = base + dst_offset;
- u64 new_value{};
- std::memcpy(&new_value, read_mapped_memory, copy.size);
- flushed_queries.push_back(new_value);
- }
- runtime.FreeDeferredStagingBuffer(*async_buffer);
- committed_queries.pop_front();
- query_async_buffers.pop_front();
}
}
template <class P>
bool BufferCache<P>::IsRegionGpuModified(VAddr addr, size_t size) {
- return memory_tracker.IsRegionGpuModified(addr, size);
+ bool is_dirty = false;
+ ForEachInRangeSet(common_ranges, addr, size, [&](VAddr, VAddr) { is_dirty = true; });
+ return is_dirty;
}
template <class P>
@@ -1232,16 +1189,18 @@ void BufferCache<P>::UpdateComputeTextureBuffers() {
}
template <class P>
-void BufferCache<P>::MarkWrittenBuffer(BufferId, VAddr cpu_addr, u32 size) {
+void BufferCache<P>::MarkWrittenBuffer(BufferId buffer_id, VAddr cpu_addr, u32 size) {
memory_tracker.MarkRegionAsGpuModified(cpu_addr, size);
+ if (memory_tracker.IsRegionCpuModified(cpu_addr, size)) {
+ SynchronizeBuffer(slot_buffers[buffer_id], cpu_addr, size);
+ }
+
const IntervalType base_interval{cpu_addr, cpu_addr + size};
common_ranges.add(base_interval);
- for (auto& interval_set : async_downloads) {
- interval_set.subtract(base_interval);
- }
if (Settings::values.gpu_accuracy.GetValue() == Settings::GPUAccuracy::High) {
uncommitted_ranges.add(base_interval);
+ pending_ranges.add(base_interval);
}
}
@@ -1530,7 +1489,9 @@ bool BufferCache<P>::InlineMemory(VAddr dest_address, size_t copy_size,
if (!is_dirty) {
return false;
}
- if (!IsRegionGpuModified(dest_address, copy_size)) {
+ VAddr aligned_start = Common::AlignDown(dest_address, YUZU_PAGESIZE);
+ VAddr aligned_end = Common::AlignUp(dest_address + copy_size, YUZU_PAGESIZE);
+ if (!IsRegionGpuModified(aligned_start, aligned_end - aligned_start)) {
return false;
}
diff --git a/src/video_core/buffer_cache/buffer_cache_base.h b/src/video_core/buffer_cache/buffer_cache_base.h
index 4b3677da3..6f29cba25 100644
--- a/src/video_core/buffer_cache/buffer_cache_base.h
+++ b/src/video_core/buffer_cache/buffer_cache_base.h
@@ -17,6 +17,7 @@
#include <boost/pool/detail/mutex.hpp>
#undef BOOST_NO_MT
#include <boost/icl/interval_set.hpp>
+#include <boost/icl/split_interval_map.hpp>
#include <boost/pool/pool.hpp>
#include <boost/pool/pool_alloc.hpp>
@@ -44,8 +45,7 @@
namespace boost {
template <typename T>
-class fast_pool_allocator<T, default_user_allocator_new_delete, details::pool::default_mutex, 4096,
- 0>;
+class fast_pool_allocator<T, default_user_allocator_new_delete, details::pool::null_mutex, 4096, 0>;
}
namespace VideoCommon {
@@ -123,6 +123,31 @@ class BufferCache : public VideoCommon::ChannelSetupCaches<VideoCommon::ChannelI
boost::icl::interval_set<VAddr, IntervalCompare, IntervalInstance, IntervalAllocator>;
using IntervalType = typename IntervalSet::interval_type;
+ template <typename Type>
+ struct counter_add_functor : public boost::icl::identity_based_inplace_combine<Type> {
+ // types
+ typedef counter_add_functor<Type> type;
+ typedef boost::icl::identity_based_inplace_combine<Type> base_type;
+
+ // public member functions
+ void operator()(Type& current, const Type& added) const {
+ current += added;
+ if (current < base_type::identity_element()) {
+ current = base_type::identity_element();
+ }
+ }
+
+ // public static functions
+ static void version(Type&){};
+ };
+
+ using OverlapCombine = ICL_COMBINE_INSTANCE(counter_add_functor, int);
+ using OverlapSection = ICL_SECTION_INSTANCE(boost::icl::inter_section, int);
+ using OverlapCounter =
+ boost::icl::split_interval_map<VAddr, int, boost::icl::partial_absorber, IntervalCompare,
+ OverlapCombine, OverlapSection, IntervalInstance,
+ IntervalAllocator>;
+
struct Empty {};
struct OverlapResult {
@@ -219,12 +244,9 @@ public:
/// Commit asynchronous downloads
void CommitAsyncFlushes();
void CommitAsyncFlushesHigh();
- void CommitAsyncQueries();
/// Pop asynchronous downloads
void PopAsyncFlushes();
-
- void PopAsyncQueries();
void PopAsyncBuffers();
bool DMACopy(GPUVAddr src_address, GPUVAddr dest_address, u64 amount);
@@ -302,6 +324,34 @@ private:
}
}
+ template <typename Func>
+ void ForEachInOverlapCounter(OverlapCounter& current_range, VAddr cpu_addr, u64 size,
+ Func&& func) {
+ const VAddr start_address = cpu_addr;
+ const VAddr end_address = start_address + size;
+ const IntervalType search_interval{start_address, end_address};
+ 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++) {
+ auto& inter = it->first;
+ VAddr inter_addr_end = inter.upper();
+ VAddr inter_addr = inter.lower();
+ if (inter_addr_end > end_address) {
+ inter_addr_end = end_address;
+ }
+ if (inter_addr < start_address) {
+ inter_addr = start_address;
+ }
+ if (it->second <= 0) {
+ __debugbreak();
+ }
+ func(inter_addr, inter_addr_end, it->second);
+ }
+ }
+
static bool IsRangeGranular(VAddr cpu_addr, size_t size) {
return (cpu_addr & ~Core::Memory::YUZU_PAGEMASK) ==
((cpu_addr + size) & ~Core::Memory::YUZU_PAGEMASK);
@@ -309,6 +359,8 @@ private:
void RunGarbageCollector();
+ void WaitOnAsyncFlushes(VAddr cpu_addr, u64 size);
+
void BindHostIndexBuffer();
void BindHostVertexBuffers();
@@ -474,10 +526,11 @@ private:
IntervalSet uncommitted_ranges;
IntervalSet common_ranges;
IntervalSet cached_ranges;
+ IntervalSet pending_ranges;
std::deque<IntervalSet> committed_ranges;
// Async Buffers
- std::deque<IntervalSet> async_downloads;
+ OverlapCounter async_downloads;
std::deque<std::optional<Async_Buffer>> async_buffers;
std::deque<boost::container::small_vector<BufferCopy, 4>> pending_downloads;
std::optional<Async_Buffer> current_buffer;
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-04 05:41:46 +0000