From a11bc4a382ebca52bdf0aab1a9474351e8d85cef Mon Sep 17 00:00:00 2001 From: ReinUsesLisp Date: Tue, 19 Jan 2021 21:59:53 -0300 Subject: Initial Reaper Setup WIP --- src/video_core/buffer_cache/buffer_base.h | 11 +++ src/video_core/buffer_cache/buffer_cache.h | 138 ++++++++++++++++++++--------- 2 files changed, 105 insertions(+), 44 deletions(-) (limited to 'src/video_core/buffer_cache') diff --git a/src/video_core/buffer_cache/buffer_base.h b/src/video_core/buffer_cache/buffer_base.h index a39505903..b121d36a3 100644 --- a/src/video_core/buffer_cache/buffer_base.h +++ b/src/video_core/buffer_cache/buffer_base.h @@ -256,6 +256,16 @@ public: stream_score += score; } + /// Sets the new frame tick + void SetFrameTick(u64 new_frame_tick) noexcept { + frame_tick = new_frame_tick; + } + + /// Returns the new frame tick + [[nodiscard]] u64 FrameTick() const noexcept { + return frame_tick; + } + /// Returns the likeliness of this being a stream buffer [[nodiscard]] int StreamScore() const noexcept { return stream_score; @@ -586,6 +596,7 @@ private: RasterizerInterface* rasterizer = nullptr; VAddr cpu_addr = 0; Words words; + u64 frame_tick = 0; BufferFlagBits flags{}; int stream_score = 0; }; diff --git a/src/video_core/buffer_cache/buffer_cache.h b/src/video_core/buffer_cache/buffer_cache.h index d371b842f..ecb7d3dee 100644 --- a/src/video_core/buffer_cache/buffer_cache.h +++ b/src/video_core/buffer_cache/buffer_cache.h @@ -243,6 +243,8 @@ private: template void ChangeRegister(BufferId buffer_id); + void TouchBuffer(Buffer& buffer) const noexcept; + bool SynchronizeBuffer(Buffer& buffer, VAddr cpu_addr, u32 size); bool SynchronizeBufferImpl(Buffer& buffer, VAddr cpu_addr, u32 size); @@ -255,6 +257,10 @@ private: void MappedUploadMemory(Buffer& buffer, u64 total_size_bytes, std::span copies); + void DownloadBufferMemory(Buffer& buffer_id); + + void DownloadBufferMemory(Buffer& buffer_id, VAddr cpu_addr, u64 size); + void DeleteBuffer(BufferId buffer_id); void ReplaceBufferDownloads(BufferId old_buffer_id, BufferId new_buffer_id); @@ -319,6 +325,9 @@ private: size_t immediate_buffer_capacity = 0; std::unique_ptr immediate_buffer_alloc; + typename SlotVector::Iterator deletion_iterator; + u64 frame_tick = 0; + std::array> PAGE_BITS)> page_table; }; @@ -332,6 +341,7 @@ BufferCache

::BufferCache(VideoCore::RasterizerInterface& rasterizer_, gpu_memory{gpu_memory_}, cpu_memory{cpu_memory_}, runtime{runtime_} { // Ensure the first slot is used for the null buffer void(slot_buffers.insert(runtime, NullBufferParams{})); + deletion_iterator = slot_buffers.end(); } template @@ -349,7 +359,24 @@ void BufferCache

::TickFrame() { const bool skip_preferred = hits * 256 < shots * 251; uniform_buffer_skip_cache_size = skip_preferred ? DEFAULT_SKIP_CACHE_SIZE : 0; + static constexpr u64 ticks_to_destroy = 120; + int num_iterations = 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); + } + } delayed_destruction_ring.Tick(); + ++frame_tick; } template @@ -371,50 +398,8 @@ void BufferCache

::CachedWriteMemory(VAddr cpu_addr, u64 size) { template void BufferCache

::DownloadMemory(VAddr cpu_addr, u64 size) { - ForEachBufferInRange(cpu_addr, size, [&](BufferId, Buffer& buffer) { - boost::container::small_vector copies; - u64 total_size_bytes = 0; - u64 largest_copy = 0; - buffer.ForEachDownloadRange(cpu_addr, size, [&](u64 range_offset, u64 range_size) { - copies.push_back(BufferCopy{ - .src_offset = range_offset, - .dst_offset = total_size_bytes, - .size = range_size, - }); - total_size_bytes += range_size; - largest_copy = std::max(largest_copy, range_size); - }); - if (total_size_bytes == 0) { - return; - } - MICROPROFILE_SCOPE(GPU_DownloadMemory); - - if constexpr (USE_MEMORY_MAPS) { - auto download_staging = runtime.DownloadStagingBuffer(total_size_bytes); - const u8* const mapped_memory = download_staging.mapped_span.data(); - const std::span copies_span(copies.data(), copies.data() + copies.size()); - for (BufferCopy& copy : copies) { - // Modify copies to have the staging offset in mind - copy.dst_offset += download_staging.offset; - } - runtime.CopyBuffer(download_staging.buffer, buffer, copies_span); - runtime.Finish(); - for (const BufferCopy& copy : copies) { - const VAddr copy_cpu_addr = buffer.CpuAddr() + copy.src_offset; - // Undo the modified offset - const u64 dst_offset = copy.dst_offset - download_staging.offset; - const u8* copy_mapped_memory = mapped_memory + dst_offset; - cpu_memory.WriteBlockUnsafe(copy_cpu_addr, copy_mapped_memory, copy.size); - } - } else { - const std::span immediate_buffer = ImmediateBuffer(largest_copy); - for (const BufferCopy& copy : copies) { - buffer.ImmediateDownload(copy.src_offset, immediate_buffer.subspan(0, copy.size)); - const VAddr copy_cpu_addr = buffer.CpuAddr() + copy.src_offset; - cpu_memory.WriteBlockUnsafe(copy_cpu_addr, immediate_buffer.data(), copy.size); - } - } - }); + ForEachBufferInRange(cpu_addr, size, + [&](BufferId, Buffer& buffer) { DownloadBufferMemory(buffer); }); } template @@ -640,6 +625,7 @@ bool BufferCache

::IsRegionGpuModified(VAddr addr, size_t size) { template void BufferCache

::BindHostIndexBuffer() { Buffer& buffer = slot_buffers[index_buffer.buffer_id]; + TouchBuffer(buffer); const u32 offset = buffer.Offset(index_buffer.cpu_addr); const u32 size = index_buffer.size; SynchronizeBuffer(buffer, index_buffer.cpu_addr, size); @@ -658,6 +644,7 @@ void BufferCache

::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); SynchronizeBuffer(buffer, binding.cpu_addr, binding.size); if (!flags[Dirty::VertexBuffer0 + index]) { continue; @@ -693,6 +680,7 @@ void BufferCache

::BindHostGraphicsUniformBuffer(size_t stage, u32 index, u32 const VAddr cpu_addr = binding.cpu_addr; const u32 size = binding.size; Buffer& buffer = slot_buffers[binding.buffer_id]; + TouchBuffer(buffer); const bool use_fast_buffer = binding.buffer_id != NULL_BUFFER_ID && size <= uniform_buffer_skip_cache_size && !buffer.IsRegionGpuModified(cpu_addr, size); @@ -744,6 +732,7 @@ void BufferCache

::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); const u32 size = binding.size; SynchronizeBuffer(buffer, binding.cpu_addr, size); @@ -766,6 +755,7 @@ void BufferCache

::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); const u32 size = binding.size; SynchronizeBuffer(buffer, binding.cpu_addr, size); @@ -784,6 +774,7 @@ void BufferCache

::BindHostComputeUniformBuffers() { ForEachEnabledBit(enabled_compute_uniform_buffers, [&](u32 index) { const Binding& binding = compute_uniform_buffers[index]; Buffer& buffer = slot_buffers[binding.buffer_id]; + TouchBuffer(buffer); const u32 size = binding.size; SynchronizeBuffer(buffer, binding.cpu_addr, size); @@ -803,6 +794,7 @@ void BufferCache

::BindHostComputeStorageBuffers() { ForEachEnabledBit(enabled_compute_storage_buffers, [&](u32 index) { const Binding& binding = compute_storage_buffers[index]; Buffer& buffer = slot_buffers[binding.buffer_id]; + TouchBuffer(buffer); const u32 size = binding.size; SynchronizeBuffer(buffer, binding.cpu_addr, size); @@ -1101,6 +1093,7 @@ BufferId BufferCache

::CreateBuffer(VAddr cpu_addr, u32 wanted_size) { const OverlapResult overlap = ResolveOverlaps(cpu_addr, wanted_size); const u32 size = static_cast(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); } @@ -1135,6 +1128,11 @@ void BufferCache

::ChangeRegister(BufferId buffer_id) { } } +template +void BufferCache

::TouchBuffer(Buffer& buffer) const noexcept { + buffer.SetFrameTick(frame_tick); +} + template bool BufferCache

::SynchronizeBuffer(Buffer& buffer, VAddr cpu_addr, u32 size) { if (buffer.CpuAddr() == 0) { @@ -1211,6 +1209,57 @@ void BufferCache

::MappedUploadMemory(Buffer& buffer, u64 total_size_bytes, runtime.CopyBuffer(buffer, upload_staging.buffer, copies); } +template +void BufferCache

::DownloadBufferMemory(Buffer& buffer) { + DownloadBufferMemory(buffer, buffer.CpuAddr(), buffer.SizeBytes()); +} + +template +void BufferCache

::DownloadBufferMemory(Buffer& buffer, VAddr cpu_addr, u64 size) { + boost::container::small_vector copies; + u64 total_size_bytes = 0; + u64 largest_copy = 0; + buffer.ForEachDownloadRange(cpu_addr, size, [&](u64 range_offset, u64 range_size) { + copies.push_back(BufferCopy{ + .src_offset = range_offset, + .dst_offset = total_size_bytes, + .size = range_size, + }); + total_size_bytes += range_size; + largest_copy = std::max(largest_copy, range_size); + }); + if (total_size_bytes == 0) { + return; + } + MICROPROFILE_SCOPE(GPU_DownloadMemory); + + if constexpr (USE_MEMORY_MAPS) { + auto download_staging = runtime.DownloadStagingBuffer(total_size_bytes); + const u8* const mapped_memory = download_staging.mapped_span.data(); + const std::span copies_span(copies.data(), copies.data() + copies.size()); + for (BufferCopy& copy : copies) { + // Modify copies to have the staging offset in mind + copy.dst_offset += download_staging.offset; + } + runtime.CopyBuffer(download_staging.buffer, buffer, copies_span); + runtime.Finish(); + for (const BufferCopy& copy : copies) { + const VAddr copy_cpu_addr = buffer.CpuAddr() + copy.src_offset; + // Undo the modified offset + const u64 dst_offset = copy.dst_offset - download_staging.offset; + const u8* copy_mapped_memory = mapped_memory + dst_offset; + cpu_memory.WriteBlockUnsafe(copy_cpu_addr, copy_mapped_memory, copy.size); + } + } else { + const std::span immediate_buffer = ImmediateBuffer(largest_copy); + for (const BufferCopy& copy : copies) { + buffer.ImmediateDownload(copy.src_offset, immediate_buffer.subspan(0, copy.size)); + const VAddr copy_cpu_addr = buffer.CpuAddr() + copy.src_offset; + cpu_memory.WriteBlockUnsafe(copy_cpu_addr, immediate_buffer.data(), copy.size); + } + } +} + template void BufferCache

::DeleteBuffer(BufferId buffer_id) { const auto scalar_replace = [buffer_id](Binding& binding) { @@ -1236,6 +1285,7 @@ void BufferCache

::DeleteBuffer(BufferId buffer_id) { Unregister(buffer_id); delayed_destruction_ring.Push(std::move(slot_buffers[buffer_id])); + slot_buffers.erase(buffer_id); NotifyBufferDeletion(); } -- cgit v1.2.3