summaryrefslogtreecommitdiffstats
path: root/src/video_core/buffer_cache
diff options
context:
space:
mode:
Diffstat (limited to 'src/video_core/buffer_cache')
-rw-r--r--src/video_core/buffer_cache/buffer_base.h9
-rw-r--r--src/video_core/buffer_cache/buffer_cache.h141
-rw-r--r--src/video_core/buffer_cache/buffer_cache_base.h7
-rw-r--r--src/video_core/buffer_cache/memory_tracker_base.h26
-rw-r--r--src/video_core/buffer_cache/word_manager.h27
5 files changed, 138 insertions, 72 deletions
diff --git a/src/video_core/buffer_cache/buffer_base.h b/src/video_core/buffer_cache/buffer_base.h
index 9cbd95c4b..0bb3bf8ae 100644
--- a/src/video_core/buffer_cache/buffer_base.h
+++ b/src/video_core/buffer_cache/buffer_base.h
@@ -18,6 +18,7 @@ namespace VideoCommon {
enum class BufferFlagBits {
Picked = 1 << 0,
CachedWrites = 1 << 1,
+ PreemtiveDownload = 1 << 2,
};
DECLARE_ENUM_FLAG_OPERATORS(BufferFlagBits)
@@ -54,6 +55,10 @@ public:
flags |= BufferFlagBits::Picked;
}
+ void MarkPreemtiveDownload() noexcept {
+ flags |= BufferFlagBits::PreemtiveDownload;
+ }
+
/// Unmark buffer as picked
void Unpick() noexcept {
flags &= ~BufferFlagBits::Picked;
@@ -84,6 +89,10 @@ public:
return True(flags & BufferFlagBits::CachedWrites);
}
+ bool IsPreemtiveDownload() const noexcept {
+ return True(flags & BufferFlagBits::PreemtiveDownload);
+ }
+
/// Returns the base CPU address of the buffer
[[nodiscard]] VAddr CpuAddr() const noexcept {
return cpu_addr;
diff --git a/src/video_core/buffer_cache/buffer_cache.h b/src/video_core/buffer_cache/buffer_cache.h
index e534e1e9c..6624919a4 100644
--- a/src/video_core/buffer_cache/buffer_cache.h
+++ b/src/video_core/buffer_cache/buffer_cache.h
@@ -23,8 +23,6 @@ BufferCache<P>::BufferCache(VideoCore::RasterizerInterface& rasterizer_,
common_ranges.clear();
inline_buffer_id = NULL_BUFFER_ID;
- active_async_buffers = !Settings::IsGPULevelHigh();
-
if (!runtime.CanReportMemoryUsage()) {
minimum_memory = DEFAULT_EXPECTED_MEMORY;
critical_memory = DEFAULT_CRITICAL_MEMORY;
@@ -75,8 +73,6 @@ void BufferCache<P>::TickFrame() {
uniform_cache_hits[0] = 0;
uniform_cache_shots[0] = 0;
- active_async_buffers = !Settings::IsGPULevelHigh();
-
const bool skip_preferred = hits * 256 < shots * 251;
uniform_buffer_skip_cache_size = skip_preferred ? DEFAULT_SKIP_CACHE_SIZE : 0;
@@ -111,9 +107,25 @@ void BufferCache<P>::WriteMemory(VAddr cpu_addr, u64 size) {
template <class P>
void BufferCache<P>::CachedWriteMemory(VAddr cpu_addr, u64 size) {
memory_tracker.CachedCpuWrite(cpu_addr, size);
- const IntervalType add_interval{Common::AlignDown(cpu_addr, YUZU_PAGESIZE),
- Common::AlignUp(cpu_addr + size, YUZU_PAGESIZE)};
- cached_ranges.add(add_interval);
+}
+
+template <class P>
+std::optional<VideoCore::RasterizerDownloadArea> BufferCache<P>::GetFlushArea(VAddr cpu_addr,
+ u64 size) {
+ std::optional<VideoCore::RasterizerDownloadArea> area{};
+ area.emplace();
+ VAddr cpu_addr_start_aligned = Common::AlignDown(cpu_addr, Core::Memory::YUZU_PAGESIZE);
+ VAddr cpu_addr_end_aligned = Common::AlignUp(cpu_addr + size, Core::Memory::YUZU_PAGESIZE);
+ area->start_address = cpu_addr_start_aligned;
+ area->end_address = cpu_addr_end_aligned;
+ if (memory_tracker.IsRegionPreflushable(cpu_addr, size)) {
+ area->preemtive = true;
+ return area;
+ };
+ memory_tracker.MarkRegionAsPreflushable(cpu_addr_start_aligned,
+ cpu_addr_end_aligned - cpu_addr_start_aligned);
+ area->preemtive = !IsRegionGpuModified(cpu_addr, size);
+ return area;
}
template <class P>
@@ -205,7 +217,7 @@ bool BufferCache<P>::DMACopy(GPUVAddr src_address, GPUVAddr dest_address, u64 am
if (has_new_downloads) {
memory_tracker.MarkRegionAsGpuModified(*cpu_dest_address, amount);
}
- std::vector<u8> tmp_buffer(amount);
+ tmp_buffer.resize(amount);
cpu_memory.ReadBlockUnsafe(*cpu_src_address, tmp_buffer.data(), amount);
cpu_memory.WriteBlockUnsafe(*cpu_dest_address, tmp_buffer.data(), amount);
return true;
@@ -441,9 +453,7 @@ void BufferCache<P>::BindComputeTextureBuffer(size_t tbo_index, GPUVAddr gpu_add
template <class P>
void BufferCache<P>::FlushCachedWrites() {
- cached_write_buffer_ids.clear();
memory_tracker.FlushCachedWrites();
- cached_ranges.clear();
}
template <class P>
@@ -474,9 +484,8 @@ void BufferCache<P>::CommitAsyncFlushesHigh() {
if (committed_ranges.empty()) {
if constexpr (IMPLEMENTS_ASYNC_DOWNLOADS) {
- if (active_async_buffers) {
- async_buffers.emplace_back(std::optional<Async_Buffer>{});
- }
+
+ async_buffers.emplace_back(std::optional<Async_Buffer>{});
}
return;
}
@@ -537,64 +546,65 @@ 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>{});
- }
+
+ async_buffers.emplace_back(std::optional<Async_Buffer>{});
}
return;
}
- 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);
- } else {
- committed_ranges.clear();
- uncommitted_ranges.clear();
+ 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);
} else {
- 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);
- }
+ if (!Settings::IsGPULevelHigh()) {
+ committed_ranges.clear();
+ uncommitted_ranges.clear();
} 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);
+ 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);
+ }
}
}
}
@@ -1629,7 +1639,6 @@ void BufferCache<P>::DeleteBuffer(BufferId buffer_id, bool do_not_mark) {
replace(transform_feedback_buffers);
replace(compute_uniform_buffers);
replace(compute_storage_buffers);
- std::erase(cached_write_buffer_ids, buffer_id);
// Mark the whole buffer as CPU written to stop tracking CPU writes
if (!do_not_mark) {
diff --git a/src/video_core/buffer_cache/buffer_cache_base.h b/src/video_core/buffer_cache/buffer_cache_base.h
index 656baa550..0445ec47f 100644
--- a/src/video_core/buffer_cache/buffer_cache_base.h
+++ b/src/video_core/buffer_cache/buffer_cache_base.h
@@ -188,6 +188,8 @@ public:
void DownloadMemory(VAddr cpu_addr, u64 size);
+ std::optional<VideoCore::RasterizerDownloadArea> GetFlushArea(VAddr cpu_addr, u64 size);
+
bool InlineMemory(VAddr dest_address, size_t copy_size, std::span<const u8> inlined_buffer);
void BindGraphicsUniformBuffer(size_t stage, u32 index, GPUVAddr gpu_addr, u32 size);
@@ -541,8 +543,6 @@ private:
std::array<std::array<u32, NUM_GRAPHICS_UNIFORM_BUFFERS>, NUM_STAGES>, Empty>
uniform_buffer_binding_sizes{};
- std::vector<BufferId> cached_write_buffer_ids;
-
MemoryTracker memory_tracker;
IntervalSet uncommitted_ranges;
IntervalSet common_ranges;
@@ -572,9 +572,8 @@ private:
u64 critical_memory = 0;
BufferId inline_buffer_id;
- bool active_async_buffers = false;
-
std::array<BufferId, ((1ULL << 39) >> CACHING_PAGEBITS)> page_table;
+ std::vector<u8> tmp_buffer;
};
} // namespace VideoCommon
diff --git a/src/video_core/buffer_cache/memory_tracker_base.h b/src/video_core/buffer_cache/memory_tracker_base.h
index dc4ebfcaa..6036b21c9 100644
--- a/src/video_core/buffer_cache/memory_tracker_base.h
+++ b/src/video_core/buffer_cache/memory_tracker_base.h
@@ -66,6 +66,14 @@ public:
});
}
+ /// Returns true if a region has been marked as Preflushable
+ [[nodiscard]] bool IsRegionPreflushable(VAddr query_cpu_addr, u64 query_size) noexcept {
+ return IteratePages<false>(
+ query_cpu_addr, query_size, [](Manager* manager, u64 offset, size_t size) {
+ return manager->template IsRegionModified<Type::Preflushable>(offset, size);
+ });
+ }
+
/// Mark region as CPU modified, notifying the rasterizer about this change
void MarkRegionAsCpuModified(VAddr dirty_cpu_addr, u64 query_size) {
IteratePages<true>(dirty_cpu_addr, query_size,
@@ -93,6 +101,15 @@ public:
});
}
+ /// Mark region as modified from the host GPU
+ void MarkRegionAsPreflushable(VAddr dirty_cpu_addr, u64 query_size) noexcept {
+ IteratePages<true>(dirty_cpu_addr, query_size,
+ [](Manager* manager, u64 offset, size_t size) {
+ manager->template ChangeRegionState<Type::Preflushable, true>(
+ manager->GetCpuAddr() + offset, size);
+ });
+ }
+
/// Unmark region as modified from the host GPU
void UnmarkRegionAsGpuModified(VAddr dirty_cpu_addr, u64 query_size) noexcept {
IteratePages<true>(dirty_cpu_addr, query_size,
@@ -102,6 +119,15 @@ public:
});
}
+ /// Unmark region as modified from the host GPU
+ void UnmarkRegionAsPreflushable(VAddr dirty_cpu_addr, u64 query_size) noexcept {
+ IteratePages<true>(dirty_cpu_addr, query_size,
+ [](Manager* manager, u64 offset, size_t size) {
+ manager->template ChangeRegionState<Type::Preflushable, false>(
+ manager->GetCpuAddr() + offset, size);
+ });
+ }
+
/// Mark region as modified from the CPU
/// but don't mark it as modified until FlusHCachedWrites is called.
void CachedCpuWrite(VAddr dirty_cpu_addr, u64 query_size) {
diff --git a/src/video_core/buffer_cache/word_manager.h b/src/video_core/buffer_cache/word_manager.h
index a42455045..a336bde41 100644
--- a/src/video_core/buffer_cache/word_manager.h
+++ b/src/video_core/buffer_cache/word_manager.h
@@ -26,6 +26,7 @@ enum class Type {
GPU,
CachedCPU,
Untracked,
+ Preflushable,
};
/// Vector tracking modified pages tightly packed with small vector optimization
@@ -55,17 +56,20 @@ struct Words {
gpu.stack.fill(0);
cached_cpu.stack.fill(0);
untracked.stack.fill(~u64{0});
+ preflushable.stack.fill(0);
} else {
// Share allocation between CPU and GPU pages and set their default values
- u64* const alloc = new u64[num_words * 4];
+ u64* const alloc = new u64[num_words * 5];
cpu.heap = alloc;
gpu.heap = alloc + num_words;
cached_cpu.heap = alloc + num_words * 2;
untracked.heap = alloc + num_words * 3;
+ preflushable.heap = alloc + num_words * 4;
std::fill_n(cpu.heap, num_words, ~u64{0});
std::fill_n(gpu.heap, num_words, 0);
std::fill_n(cached_cpu.heap, num_words, 0);
std::fill_n(untracked.heap, num_words, ~u64{0});
+ std::fill_n(preflushable.heap, num_words, 0);
}
// Clean up tailing bits
const u64 last_word_size = size_bytes % BYTES_PER_WORD;
@@ -88,13 +92,14 @@ struct Words {
gpu = rhs.gpu;
cached_cpu = rhs.cached_cpu;
untracked = rhs.untracked;
+ preflushable = rhs.preflushable;
rhs.cpu.heap = nullptr;
return *this;
}
Words(Words&& rhs) noexcept
: size_bytes{rhs.size_bytes}, num_words{rhs.num_words}, cpu{rhs.cpu}, gpu{rhs.gpu},
- cached_cpu{rhs.cached_cpu}, untracked{rhs.untracked} {
+ cached_cpu{rhs.cached_cpu}, untracked{rhs.untracked}, preflushable{rhs.preflushable} {
rhs.cpu.heap = nullptr;
}
@@ -129,6 +134,8 @@ struct Words {
return std::span<u64>(cached_cpu.Pointer(IsShort()), num_words);
} else if constexpr (type == Type::Untracked) {
return std::span<u64>(untracked.Pointer(IsShort()), num_words);
+ } else if constexpr (type == Type::Preflushable) {
+ return std::span<u64>(preflushable.Pointer(IsShort()), num_words);
}
}
@@ -142,6 +149,8 @@ struct Words {
return std::span<const u64>(cached_cpu.Pointer(IsShort()), num_words);
} else if constexpr (type == Type::Untracked) {
return std::span<const u64>(untracked.Pointer(IsShort()), num_words);
+ } else if constexpr (type == Type::Preflushable) {
+ return std::span<const u64>(preflushable.Pointer(IsShort()), num_words);
}
}
@@ -151,6 +160,7 @@ struct Words {
WordsArray<stack_words> gpu;
WordsArray<stack_words> cached_cpu;
WordsArray<stack_words> untracked;
+ WordsArray<stack_words> preflushable;
};
template <class RasterizerInterface, size_t stack_words = 1>
@@ -292,6 +302,9 @@ public:
(pending_pointer - pending_offset) * BYTES_PER_PAGE);
};
IterateWords(offset, size, [&](size_t index, u64 mask) {
+ if constexpr (type == Type::GPU) {
+ mask &= ~untracked_words[index];
+ }
const u64 word = state_words[index] & mask;
if constexpr (clear) {
if constexpr (type == Type::CPU || type == Type::CachedCPU) {
@@ -340,8 +353,13 @@ public:
static_assert(type != Type::Untracked);
const std::span<const u64> state_words = words.template Span<type>();
+ [[maybe_unused]] const std::span<const u64> untracked_words =
+ words.template Span<Type::Untracked>();
bool result = false;
IterateWords(offset, size, [&](size_t index, u64 mask) {
+ if constexpr (type == Type::GPU) {
+ mask &= ~untracked_words[index];
+ }
const u64 word = state_words[index] & mask;
if (word != 0) {
result = true;
@@ -362,9 +380,14 @@ public:
[[nodiscard]] std::pair<u64, u64> ModifiedRegion(u64 offset, u64 size) const noexcept {
static_assert(type != Type::Untracked);
const std::span<const u64> state_words = words.template Span<type>();
+ [[maybe_unused]] const std::span<const u64> untracked_words =
+ words.template Span<Type::Untracked>();
u64 begin = std::numeric_limits<u64>::max();
u64 end = 0;
IterateWords(offset, size, [&](size_t index, u64 mask) {
+ if constexpr (type == Type::GPU) {
+ mask &= ~untracked_words[index];
+ }
const u64 word = state_words[index] & mask;
if (word == 0) {
return;
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-31 11:09:08 +0200