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-rw-r--r--src/video_core/buffer_cache/buffer_base.h9
-rw-r--r--src/video_core/buffer_cache/buffer_cache.h35
-rw-r--r--src/video_core/buffer_cache/buffer_cache_base.h5
-rw-r--r--src/video_core/buffer_cache/memory_tracker_base.h26
-rw-r--r--src/video_core/buffer_cache/word_manager.h14
5 files changed, 76 insertions, 13 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..479a1a508 100644
--- a/src/video_core/buffer_cache/buffer_cache.h
+++ b/src/video_core/buffer_cache/buffer_cache.h
@@ -111,9 +111,24 @@ 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>
@@ -191,8 +206,10 @@ bool BufferCache<P>::DMACopy(GPUVAddr src_address, GPUVAddr dest_address, u64 am
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);
- uncommitted_ranges.add(add_interval);
- pending_ranges.add(add_interval);
+ if (memory_tracker.IsRegionPreflushable(new_base_address, new_base_address + size)) {
+ 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.
@@ -205,7 +222,7 @@ 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 +458,7 @@ 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>
@@ -1221,6 +1236,9 @@ 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 (!memory_tracker.IsRegionPreflushable(cpu_addr, cpu_addr + size)) {
+ return;
+ }
uncommitted_ranges.add(base_interval);
pending_ranges.add(base_interval);
}
@@ -1629,7 +1647,6 @@ 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..e3914a53a 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;
@@ -575,6 +575,7 @@ private:
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..0fb199a54 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>
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-08 12:06:23 +0200