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video_core: Cache GPU internal writes.

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This commit is contained in:
Fernando Sahmkow 2023-01-04 22:05:20 -05:00
parent b78328f19a
commit 6c7eb81f7d
10 changed files with 185 additions and 30 deletions
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1
src/video_core/CMakeLists.txt
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@ -85,6 +85,7 @@ add_library(video_core STATIC
gpu.h
gpu_thread.cpp
gpu_thread.h
invalidation_accumulator.h
memory_manager.cpp
memory_manager.h
precompiled_headers.h

2
src/video_core/engines/engine_upload.cpp
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@ -76,7 +76,7 @@ void State::ProcessData(std::span<const u8> read_buffer) {
regs.dest.height, regs.dest.depth, x_offset, regs.dest.y,
x_elements, regs.line_count, regs.dest.BlockHeight(),
regs.dest.BlockDepth(), regs.line_length_in);
memory_manager.WriteBlock(address, tmp_buffer.data(), dst_size);
memory_manager.WriteBlockCached(address, tmp_buffer.data(), dst_size);
}
}

7
src/video_core/engines/maxwell_3d.cpp
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@ -485,11 +485,6 @@ void Maxwell3D::StampQueryResult(u64 payload, bool long_query) {
}
void Maxwell3D::ProcessQueryGet() {
// TODO(Subv): Support the other query units.
if (regs.report_semaphore.query.location != Regs::ReportSemaphore::Location::All) {
LOG_DEBUG(HW_GPU, "Locations other than ALL are unimplemented");
}
switch (regs.report_semaphore.query.operation) {
case Regs::ReportSemaphore::Operation::Release:
if (regs.report_semaphore.query.short_query != 0) {
@ -649,7 +644,7 @@ void Maxwell3D::ProcessCBMultiData(const u32* start_base, u32 amount) {
const GPUVAddr address{buffer_address + regs.const_buffer.offset};
const size_t copy_size = amount * sizeof(u32);
memory_manager.WriteBlock(address, start_base, copy_size);
memory_manager.WriteBlockCached(address, start_base, copy_size);
// Increment the current buffer position.
regs.const_buffer.offset += static_cast<u32>(copy_size);

17
src/video_core/engines/maxwell_dma.cpp
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@ -69,7 +69,7 @@ void MaxwellDMA::Launch() {
if (launch.multi_line_enable) {
const bool is_src_pitch = launch.src_memory_layout == LaunchDMA::MemoryLayout::PITCH;
const bool is_dst_pitch = launch.dst_memory_layout == LaunchDMA::MemoryLayout::PITCH;
memory_manager.FlushCaching();
if (!is_src_pitch && !is_dst_pitch) {
// If both the source and the destination are in block layout, assert.
CopyBlockLinearToBlockLinear();
@ -104,6 +104,7 @@ void MaxwellDMA::Launch() {
reinterpret_cast<u8*>(tmp_buffer.data()),
regs.line_length_in * sizeof(u32));
} else {
memory_manager.FlushCaching();
const auto convert_linear_2_blocklinear_addr = [](u64 address) {
return (address & ~0x1f0ULL) | ((address & 0x40) >> 2) | ((address & 0x10) << 1) |
((address & 0x180) >> 1) | ((address & 0x20) << 3);
@ -121,7 +122,7 @@ void MaxwellDMA::Launch() {
memory_manager.ReadBlockUnsafe(
convert_linear_2_blocklinear_addr(regs.offset_in + offset),
tmp_buffer.data(), tmp_buffer.size());
memory_manager.WriteBlock(regs.offset_out + offset, tmp_buffer.data(),
memory_manager.WriteBlockCached(regs.offset_out + offset, tmp_buffer.data(),
tmp_buffer.size());
}
} else if (is_src_pitch && !is_dst_pitch) {
@ -132,7 +133,7 @@ void MaxwellDMA::Launch() {
for (u32 offset = 0; offset < regs.line_length_in; offset += 16) {
memory_manager.ReadBlockUnsafe(regs.offset_in + offset, tmp_buffer.data(),
tmp_buffer.size());
memory_manager.WriteBlock(
memory_manager.WriteBlockCached(
convert_linear_2_blocklinear_addr(regs.offset_out + offset),
tmp_buffer.data(), tmp_buffer.size());
}
@ -141,7 +142,7 @@ void MaxwellDMA::Launch() {
std::vector<u8> tmp_buffer(regs.line_length_in);
memory_manager.ReadBlockUnsafe(regs.offset_in, tmp_buffer.data(),
regs.line_length_in);
memory_manager.WriteBlock(regs.offset_out, tmp_buffer.data(),
memory_manager.WriteBlockCached(regs.offset_out, tmp_buffer.data(),
regs.line_length_in);
}
}
@ -204,7 +205,7 @@ void MaxwellDMA::CopyBlockLinearToPitch() {
src_params.origin.y, x_elements, regs.line_count, block_height, block_depth,
regs.pitch_out);
memory_manager.WriteBlock(regs.offset_out, write_buffer.data(), dst_size);
memory_manager.WriteBlockCached(regs.offset_out, write_buffer.data(), dst_size);
}
void MaxwellDMA::CopyPitchToBlockLinear() {
@ -256,7 +257,7 @@ void MaxwellDMA::CopyPitchToBlockLinear() {
dst_params.origin.y, x_elements, regs.line_count, block_height, block_depth,
regs.pitch_in);
memory_manager.WriteBlock(regs.offset_out, write_buffer.data(), dst_size);
memory_manager.WriteBlockCached(regs.offset_out, write_buffer.data(), dst_size);
}
void MaxwellDMA::FastCopyBlockLinearToPitch() {
@ -287,7 +288,7 @@ void MaxwellDMA::FastCopyBlockLinearToPitch() {
regs.src_params.block_size.height, regs.src_params.block_size.depth,
regs.pitch_out);
memory_manager.WriteBlock(regs.offset_out, write_buffer.data(), dst_size);
memory_manager.WriteBlockCached(regs.offset_out, write_buffer.data(), dst_size);
}
void MaxwellDMA::CopyBlockLinearToBlockLinear() {
@ -347,7 +348,7 @@ void MaxwellDMA::CopyBlockLinearToBlockLinear() {
dst.depth, dst_x_offset, dst.origin.y, x_elements, regs.line_count,
dst.block_size.height, dst.block_size.depth, pitch);
memory_manager.WriteBlock(regs.offset_out, write_buffer.data(), dst_size);
memory_manager.WriteBlockCached(regs.offset_out, write_buffer.data(), dst_size);
}
void MaxwellDMA::ReleaseSemaphore() {

78
src/video_core/invalidation_accumulator.h Normal file
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@ -0,0 +1,78 @@
// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <vector>
#include "common/common_types.h"
namespace VideoCommon {
class InvalidationAccumulator {
public:
InvalidationAccumulator() = default;
~InvalidationAccumulator() = default;
void Add(GPUVAddr address, size_t size) {
const auto reset_values = [&]() {
if (has_collected) {
buffer.emplace_back(start_address, accumulated_size);
}
start_address = address;
accumulated_size = size;
last_collection = start_address + size;
};
if (address >= start_address && address + size <= last_collection) [[likely]] {
return;
}
size = (address + size + atomicy_side_mask) & atomicy_mask - address;
address = address & atomicy_mask;
if (!has_collected) [[unlikely]] {
reset_values();
has_collected = true;
return;
}
if (address != last_collection) [[unlikely]] {
reset_values();
return;
}
accumulated_size += size;
last_collection += size;
}
void Clear() {
buffer.clear();
start_address = 0;
last_collection = 0;
has_collected = false;
}
bool AnyAccumulated() const {
return has_collected;
}
template <typename Func>
void Callback(Func&& func) {
if (!has_collected) {
return;
}
buffer.emplace_back(start_address, accumulated_size);
for (auto& [address, size] : buffer) {
func(address, size);
}
}
private:
static constexpr size_t atomicy_bits = 5;
static constexpr size_t atomicy_size = 1ULL << atomicy_bits;
static constexpr size_t atomicy_side_mask = atomicy_size - 1;
static constexpr size_t atomicy_mask = ~atomicy_side_mask;
GPUVAddr start_address{};
GPUVAddr last_collection{};
size_t accumulated_size{};
bool has_collected{};
std::vector<std::pair<VAddr, size_t>> buffer;
};
} // namespace VideoCommon

54
src/video_core/memory_manager.cpp
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@ -11,6 +11,7 @@
#include "core/hle/kernel/k_page_table.h"
#include "core/hle/kernel/k_process.h"
#include "core/memory.h"
#include "video_core/invalidation_accumulator.h"
#include "video_core/memory_manager.h"
#include "video_core/rasterizer_interface.h"
#include "video_core/renderer_base.h"
@ -26,7 +27,8 @@ MemoryManager::MemoryManager(Core::System& system_, u64 address_space_bits_, u64
entries{}, big_entries{}, page_table{address_space_bits, address_space_bits + page_bits - 38,
page_bits != big_page_bits ? page_bits : 0},
kind_map{PTEKind::INVALID}, unique_identifier{unique_identifier_generator.fetch_add(
1, std::memory_order_acq_rel)} {
1, std::memory_order_acq_rel)},
accumulator{std::make_unique<VideoCommon::InvalidationAccumulator>()} {
address_space_size = 1ULL << address_space_bits;
page_size = 1ULL << page_bits;
page_mask = page_size - 1ULL;
@ -185,15 +187,12 @@ void MemoryManager::Unmap(GPUVAddr gpu_addr, std::size_t size) {
if (size == 0) {
return;
}
const auto submapped_ranges = GetSubmappedRange(gpu_addr, size);
GetSubmappedRangeImpl<false>(gpu_addr, size, page_stash);
for (const auto& [map_addr, map_size] : submapped_ranges) {
// Flush and invalidate through the GPU interface, to be asynchronous if possible.
const std::optional<VAddr> cpu_addr = GpuToCpuAddress(map_addr);
ASSERT(cpu_addr);
rasterizer->UnmapMemory(*cpu_addr, map_size);
for (const auto& [map_addr, map_size] : page_stash) {
rasterizer->UnmapMemory(map_addr, map_size);
}
page_stash.clear();
BigPageTableOp<EntryType::Free>(gpu_addr, 0, size, PTEKind::INVALID);
PageTableOp<EntryType::Free>(gpu_addr, 0, size, PTEKind::INVALID);
@ -454,6 +453,12 @@ void MemoryManager::WriteBlockUnsafe(GPUVAddr gpu_dest_addr, const void* src_buf
WriteBlockImpl<false>(gpu_dest_addr, src_buffer, size, VideoCommon::CacheType::None);
}
void MemoryManager::WriteBlockCached(GPUVAddr gpu_dest_addr, const void* src_buffer,
std::size_t size) {
WriteBlockImpl<false>(gpu_dest_addr, src_buffer, size, VideoCommon::CacheType::None);
accumulator->Add(gpu_dest_addr, size);
}
void MemoryManager::FlushRegion(GPUVAddr gpu_addr, size_t size,
VideoCommon::CacheType which) const {
auto do_nothing = [&]([[maybe_unused]] std::size_t page_index,
@ -663,7 +668,17 @@ bool MemoryManager::IsFullyMappedRange(GPUVAddr gpu_addr, std::size_t size) cons
std::vector<std::pair<GPUVAddr, std::size_t>> MemoryManager::GetSubmappedRange(
GPUVAddr gpu_addr, std::size_t size) const {
std::vector<std::pair<GPUVAddr, std::size_t>> result{};
std::optional<std::pair<GPUVAddr, std::size_t>> last_segment{};
GetSubmappedRangeImpl<true>(gpu_addr, size, result);
return result;
}
template <bool is_gpu_address>
void MemoryManager::GetSubmappedRangeImpl(
GPUVAddr gpu_addr, std::size_t size,
std::vector<std::pair<std::conditional_t<is_gpu_address, GPUVAddr, VAddr>, std::size_t>>&
result) const {
std::optional<std::pair<std::conditional_t<is_gpu_address, GPUVAddr, VAddr>, std::size_t>>
last_segment{};
std::optional<VAddr> old_page_addr{};
const auto split = [&last_segment, &result]([[maybe_unused]] std::size_t page_index,
[[maybe_unused]] std::size_t offset,
@ -685,8 +700,12 @@ std::vector<std::pair<GPUVAddr, std::size_t>> MemoryManager::GetSubmappedRange(
}
old_page_addr = {cpu_addr_base + copy_amount};
if (!last_segment) {
if constexpr (is_gpu_address) {
const GPUVAddr new_base_addr = (page_index << big_page_bits) + offset;
last_segment = {new_base_addr, copy_amount};
} else {
last_segment = {cpu_addr_base, copy_amount};
}
} else {
last_segment->second += copy_amount;
}
@ -703,8 +722,12 @@ std::vector<std::pair<GPUVAddr, std::size_t>> MemoryManager::GetSubmappedRange(
}
old_page_addr = {cpu_addr_base + copy_amount};
if (!last_segment) {
if constexpr (is_gpu_address) {
const GPUVAddr new_base_addr = (page_index << page_bits) + offset;
last_segment = {new_base_addr, copy_amount};
} else {
last_segment = {cpu_addr_base, copy_amount};
}
} else {
last_segment->second += copy_amount;
}
@ -715,7 +738,18 @@ std::vector<std::pair<GPUVAddr, std::size_t>> MemoryManager::GetSubmappedRange(
};
MemoryOperation<true>(gpu_addr, size, extend_size_big, split, do_short_pages);
split(0, 0, 0);
return result;
}
void MemoryManager::FlushCaching() {
if (!accumulator->AnyAccumulated()) {
return;
}
accumulator->Callback([this](GPUVAddr addr, size_t size) {
GetSubmappedRangeImpl<false>(addr, size, page_stash);
});
rasterizer->InnerInvalidation(page_stash);
page_stash.clear();
accumulator->Clear();
}
} // namespace Tegra

15
src/video_core/memory_manager.h
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@ -19,6 +19,10 @@ namespace VideoCore {
class RasterizerInterface;
}
namespace VideoCommon {
class InvalidationAccumulator;
}
namespace Core {
class DeviceMemory;
namespace Memory {
@ -80,6 +84,7 @@ public:
*/
void ReadBlockUnsafe(GPUVAddr gpu_src_addr, void* dest_buffer, std::size_t size) const;
void WriteBlockUnsafe(GPUVAddr gpu_dest_addr, const void* src_buffer, std::size_t size);
void WriteBlockCached(GPUVAddr gpu_dest_addr, const void* src_buffer, std::size_t size);
/**
* Checks if a gpu region can be simply read with a pointer.
@ -129,6 +134,8 @@ public:
size_t GetMemoryLayoutSize(GPUVAddr gpu_addr,
size_t max_size = std::numeric_limits<size_t>::max()) const;
void FlushCaching();
private:
template <bool is_big_pages, typename FuncMapped, typename FuncReserved, typename FuncUnmapped>
inline void MemoryOperation(GPUVAddr gpu_src_addr, std::size_t size, FuncMapped&& func_mapped,
@ -154,6 +161,12 @@ private:
inline bool IsBigPageContinous(size_t big_page_index) const;
inline void SetBigPageContinous(size_t big_page_index, bool value);
template <bool is_gpu_address>
void GetSubmappedRangeImpl(
GPUVAddr gpu_addr, std::size_t size,
std::vector<std::pair<std::conditional_t<is_gpu_address, GPUVAddr, VAddr>, std::size_t>>&
result) const;
Core::System& system;
Core::Memory::Memory& memory;
Core::DeviceMemory& device_memory;
@ -201,10 +214,12 @@ private:
Common::VirtualBuffer<u32> big_page_table_cpu;
std::vector<u64> big_page_continous;
std::vector<std::pair<VAddr, std::size_t>> page_stash{};
constexpr static size_t continous_bits = 64;
const size_t unique_identifier;
std::unique_ptr<VideoCommon::InvalidationAccumulator> accumulator;
static std::atomic<size_t> unique_identifier_generator;
};

7
src/video_core/rasterizer_interface.h
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@ -6,6 +6,7 @@
#include <functional>
#include <optional>
#include <span>
#include <utility>
#include "common/common_types.h"
#include "common/polyfill_thread.h"
#include "video_core/cache_types.h"
@ -95,6 +96,12 @@ public:
virtual void InvalidateRegion(VAddr addr, u64 size,
VideoCommon::CacheType which = VideoCommon::CacheType::All) = 0;
virtual void InnerInvalidation(std::span<const std::pair<VAddr, std::size_t>> sequences) {
for (const auto [cpu_addr, size] : sequences) {
InvalidateRegion(cpu_addr, size);
}
}
/// Notify rasterizer that any caches of the specified region are desync with guest
virtual void OnCPUWrite(VAddr addr, u64 size) = 0;

23
src/video_core/renderer_vulkan/vk_rasterizer.cpp
View File

@ -186,6 +186,7 @@ void RasterizerVulkan::PrepareDraw(bool is_indexed, Func&& draw_func) {
SCOPE_EXIT({ gpu.TickWork(); });
FlushWork();
gpu_memory->FlushCaching();
query_cache.UpdateCounters();
@ -393,6 +394,7 @@ void RasterizerVulkan::Clear(u32 layer_count) {
void RasterizerVulkan::DispatchCompute() {
FlushWork();
gpu_memory->FlushCaching();
ComputePipeline* const pipeline{pipeline_cache.CurrentComputePipeline()};
if (!pipeline) {
@ -481,6 +483,27 @@ void RasterizerVulkan::InvalidateRegion(VAddr addr, u64 size, VideoCommon::Cache
}
}
void RasterizerVulkan::InnerInvalidation(std::span<const std::pair<VAddr, std::size_t>> sequences) {
{
std::scoped_lock lock{texture_cache.mutex};
for (const auto [addr, size] : sequences) {
texture_cache.WriteMemory(addr, size);
}
}
{
std::scoped_lock lock{buffer_cache.mutex};
for (const auto [addr, size] : sequences) {
buffer_cache.WriteMemory(addr, size);
}
}
{
for (const auto [addr, size] : sequences) {
query_cache.InvalidateRegion(addr, size);
pipeline_cache.InvalidateRegion(addr, size);
}
}
}
void RasterizerVulkan::OnCPUWrite(VAddr addr, u64 size) {
if (addr == 0 || size == 0) {
return;

1
src/video_core/renderer_vulkan/vk_rasterizer.h
View File

@ -79,6 +79,7 @@ public:
VideoCommon::CacheType which = VideoCommon::CacheType::All) override;
void InvalidateRegion(VAddr addr, u64 size,
VideoCommon::CacheType which = VideoCommon::CacheType::All) override;
void InnerInvalidation(std::span<const std::pair<VAddr, std::size_t>> sequences) override;
void OnCPUWrite(VAddr addr, u64 size) override;
void InvalidateGPUCache() override;
void UnmapMemory(VAddr addr, u64 size) override;