diff options
Diffstat (limited to '')
-rw-r--r-- | src/video_core/buffer_cache/buffer_cache.h | 61 |
1 files changed, 33 insertions, 28 deletions
diff --git a/src/video_core/buffer_cache/buffer_cache.h b/src/video_core/buffer_cache/buffer_cache.h index 3b43554f9..a0217908a 100644 --- a/src/video_core/buffer_cache/buffer_cache.h +++ b/src/video_core/buffer_cache/buffer_cache.h @@ -20,6 +20,7 @@ #include "common/common_types.h" #include "common/div_ceil.h" #include "common/literals.h" +#include "common/lru_cache.h" #include "common/microprofile.h" #include "common/scope_exit.h" #include "common/settings.h" @@ -77,7 +78,7 @@ class BufferCache { static constexpr BufferId NULL_BUFFER_ID{0}; - static constexpr u64 EXPECTED_MEMORY = 512_MiB; + static constexpr u64 EXPECTED_MEMORY = 256_MiB; static constexpr u64 CRITICAL_MEMORY = 1_GiB; using Maxwell = Tegra::Engines::Maxwell3D::Regs; @@ -330,7 +331,7 @@ private: template <bool insert> void ChangeRegister(BufferId buffer_id); - void TouchBuffer(Buffer& buffer) const noexcept; + void TouchBuffer(Buffer& buffer, BufferId buffer_id) noexcept; bool SynchronizeBuffer(Buffer& buffer, VAddr cpu_addr, u32 size); @@ -428,7 +429,11 @@ private: size_t immediate_buffer_capacity = 0; std::unique_ptr<u8[]> immediate_buffer_alloc; - typename SlotVector<Buffer>::Iterator deletion_iterator; + struct LRUItemParams { + using ObjectType = BufferId; + using TickType = u64; + }; + Common::LeastRecentlyUsedCache<LRUItemParams> lru_cache; u64 frame_tick = 0; u64 total_used_memory = 0; @@ -445,7 +450,6 @@ BufferCache<P>::BufferCache(VideoCore::RasterizerInterface& rasterizer_, kepler_compute{kepler_compute_}, gpu_memory{gpu_memory_}, cpu_memory{cpu_memory_} { // Ensure the first slot is used for the null buffer void(slot_buffers.insert(runtime, NullBufferParams{})); - deletion_iterator = slot_buffers.end(); common_ranges.clear(); } @@ -454,20 +458,17 @@ void BufferCache<P>::RunGarbageCollector() { const bool aggressive_gc = total_used_memory >= CRITICAL_MEMORY; const u64 ticks_to_destroy = aggressive_gc ? 60 : 120; int num_iterations = aggressive_gc ? 64 : 32; - for (; num_iterations > 0; --num_iterations) { - if (deletion_iterator == slot_buffers.end()) { - deletion_iterator = slot_buffers.begin(); - } - ++deletion_iterator; - if (deletion_iterator == slot_buffers.end()) { - break; - } - const auto [buffer_id, buffer] = *deletion_iterator; - if (buffer->FrameTick() + ticks_to_destroy < frame_tick) { - DownloadBufferMemory(*buffer); - DeleteBuffer(buffer_id); + const auto clean_up = [this, &num_iterations](BufferId buffer_id) { + if (num_iterations == 0) { + return true; } - } + --num_iterations; + auto& buffer = slot_buffers[buffer_id]; + DownloadBufferMemory(buffer); + DeleteBuffer(buffer_id); + return false; + }; + lru_cache.ForEachItemBelow(frame_tick - ticks_to_destroy, clean_up); } template <class P> @@ -954,7 +955,7 @@ bool BufferCache<P>::IsRegionCpuModified(VAddr addr, size_t size) { template <class P> void BufferCache<P>::BindHostIndexBuffer() { Buffer& buffer = slot_buffers[index_buffer.buffer_id]; - TouchBuffer(buffer); + TouchBuffer(buffer, index_buffer.buffer_id); const u32 offset = buffer.Offset(index_buffer.cpu_addr); const u32 size = index_buffer.size; SynchronizeBuffer(buffer, index_buffer.cpu_addr, size); @@ -975,7 +976,7 @@ void BufferCache<P>::BindHostVertexBuffers() { for (u32 index = 0; index < NUM_VERTEX_BUFFERS; ++index) { const Binding& binding = vertex_buffers[index]; Buffer& buffer = slot_buffers[binding.buffer_id]; - TouchBuffer(buffer); + TouchBuffer(buffer, binding.buffer_id); SynchronizeBuffer(buffer, binding.cpu_addr, binding.size); if (!flags[Dirty::VertexBuffer0 + index]) { continue; @@ -1011,7 +1012,7 @@ void BufferCache<P>::BindHostGraphicsUniformBuffer(size_t stage, u32 index, u32 const VAddr cpu_addr = binding.cpu_addr; const u32 size = std::min(binding.size, (*uniform_buffer_sizes)[stage][index]); Buffer& buffer = slot_buffers[binding.buffer_id]; - TouchBuffer(buffer); + TouchBuffer(buffer, binding.buffer_id); const bool use_fast_buffer = binding.buffer_id != NULL_BUFFER_ID && size <= uniform_buffer_skip_cache_size && !buffer.IsRegionGpuModified(cpu_addr, size); @@ -1083,7 +1084,7 @@ void BufferCache<P>::BindHostGraphicsStorageBuffers(size_t stage) { ForEachEnabledBit(enabled_storage_buffers[stage], [&](u32 index) { const Binding& binding = storage_buffers[stage][index]; Buffer& buffer = slot_buffers[binding.buffer_id]; - TouchBuffer(buffer); + TouchBuffer(buffer, binding.buffer_id); const u32 size = binding.size; SynchronizeBuffer(buffer, binding.cpu_addr, size); @@ -1128,7 +1129,7 @@ void BufferCache<P>::BindHostTransformFeedbackBuffers() { for (u32 index = 0; index < NUM_TRANSFORM_FEEDBACK_BUFFERS; ++index) { const Binding& binding = transform_feedback_buffers[index]; Buffer& buffer = slot_buffers[binding.buffer_id]; - TouchBuffer(buffer); + TouchBuffer(buffer, binding.buffer_id); const u32 size = binding.size; SynchronizeBuffer(buffer, binding.cpu_addr, size); @@ -1148,7 +1149,7 @@ void BufferCache<P>::BindHostComputeUniformBuffers() { ForEachEnabledBit(enabled_compute_uniform_buffer_mask, [&](u32 index) { const Binding& binding = compute_uniform_buffers[index]; Buffer& buffer = slot_buffers[binding.buffer_id]; - TouchBuffer(buffer); + TouchBuffer(buffer, binding.buffer_id); const u32 size = std::min(binding.size, (*compute_uniform_buffer_sizes)[index]); SynchronizeBuffer(buffer, binding.cpu_addr, size); @@ -1168,7 +1169,7 @@ void BufferCache<P>::BindHostComputeStorageBuffers() { ForEachEnabledBit(enabled_compute_storage_buffers, [&](u32 index) { const Binding& binding = compute_storage_buffers[index]; Buffer& buffer = slot_buffers[binding.buffer_id]; - TouchBuffer(buffer); + TouchBuffer(buffer, binding.buffer_id); const u32 size = binding.size; SynchronizeBuffer(buffer, binding.cpu_addr, size); @@ -1513,11 +1514,11 @@ BufferId BufferCache<P>::CreateBuffer(VAddr cpu_addr, u32 wanted_size) { const OverlapResult overlap = ResolveOverlaps(cpu_addr, wanted_size); const u32 size = static_cast<u32>(overlap.end - overlap.begin); const BufferId new_buffer_id = slot_buffers.insert(runtime, rasterizer, overlap.begin, size); - TouchBuffer(slot_buffers[new_buffer_id]); for (const BufferId overlap_id : overlap.ids) { JoinOverlap(new_buffer_id, overlap_id, !overlap.has_stream_leap); } Register(new_buffer_id); + TouchBuffer(slot_buffers[new_buffer_id], new_buffer_id); return new_buffer_id; } @@ -1534,12 +1535,14 @@ void BufferCache<P>::Unregister(BufferId buffer_id) { template <class P> template <bool insert> void BufferCache<P>::ChangeRegister(BufferId buffer_id) { - const Buffer& buffer = slot_buffers[buffer_id]; + Buffer& buffer = slot_buffers[buffer_id]; const auto size = buffer.SizeBytes(); if (insert) { total_used_memory += Common::AlignUp(size, 1024); + buffer.lru_id = lru_cache.Insert(buffer_id, frame_tick); } else { total_used_memory -= Common::AlignUp(size, 1024); + lru_cache.Free(buffer.lru_id); } const VAddr cpu_addr_begin = buffer.CpuAddr(); const VAddr cpu_addr_end = cpu_addr_begin + size; @@ -1555,8 +1558,10 @@ void BufferCache<P>::ChangeRegister(BufferId buffer_id) { } template <class P> -void BufferCache<P>::TouchBuffer(Buffer& buffer) const noexcept { - buffer.SetFrameTick(frame_tick); +void BufferCache<P>::TouchBuffer(Buffer& buffer, BufferId buffer_id) noexcept { + if (buffer_id != NULL_BUFFER_ID) { + lru_cache.Touch(buffer.lru_id, frame_tick); + } } template <class P> |