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GPU: Add Reactive flushing

This commit is contained in:
Fernando Sahmkow 2023-04-30 17:14:06 +02:00
parent e58090c9c7
commit c6cac2ffaa
24 changed files with 240 additions and 30 deletions
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4
src/core/core.cpp
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@ -612,6 +612,10 @@ void System::PrepareReschedule(const u32 core_index) {
impl->kernel.PrepareReschedule(core_index);
}
size_t System::GetCurrentHostThreadID() const {
return impl->kernel.GetCurrentHostThreadID();
}
PerfStatsResults System::GetAndResetPerfStats() {
return impl->GetAndResetPerfStats();
}

2
src/core/core.h
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@ -222,6 +222,8 @@ public:
/// Prepare the core emulation for a reschedule
void PrepareReschedule(u32 core_index);
[[nodiscard]] size_t GetCurrentHostThreadID() const;
/// Gets and resets core performance statistics
[[nodiscard]] PerfStatsResults GetAndResetPerfStats();

27
src/core/memory.cpp
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@ -13,10 +13,13 @@
#include "common/swap.h"
#include "core/core.h"
#include "core/device_memory.h"
#include "core/hardware_properties.h"
#include "core/hle/kernel/k_page_table.h"
#include "core/hle/kernel/k_process.h"
#include "core/memory.h"
#include "video_core/gpu.h"
#include "video_core/rasterizer_download_area.h"
namespace Core::Memory {
@ -243,7 +246,7 @@ struct Memory::Impl {
[&](const Common::ProcessAddress current_vaddr, const std::size_t copy_amount,
const u8* const host_ptr) {
if constexpr (!UNSAFE) {
system.GPU().FlushRegion(GetInteger(current_vaddr), copy_amount);
HandleRasterizerDownload(GetInteger(current_vaddr), copy_amount);
}
std::memcpy(dest_buffer, host_ptr, copy_amount);
},
@ -334,7 +337,7 @@ struct Memory::Impl {
},
[&](const Common::ProcessAddress current_vaddr, const std::size_t copy_amount,
u8* const host_ptr) {
system.GPU().FlushRegion(GetInteger(current_vaddr), copy_amount);
HandleRasterizerDownload(GetInteger(current_vaddr), copy_amount);
WriteBlockImpl<false>(process, dest_addr, host_ptr, copy_amount);
},
[&](const std::size_t copy_amount) {
@ -373,7 +376,7 @@ struct Memory::Impl {
const std::size_t block_size) {
// dc ivac: Invalidate to point of coherency
// GPU flush -> CPU invalidate
system.GPU().FlushRegion(GetInteger(current_vaddr), block_size);
HandleRasterizerDownload(GetInteger(current_vaddr), block_size);
};
return PerformCacheOperation(process, dest_addr, size, on_rasterizer);
}
@ -462,8 +465,7 @@ struct Memory::Impl {
}
if (Settings::IsFastmemEnabled()) {
const bool is_read_enable = !Settings::IsGPULevelExtreme() || !cached;
system.DeviceMemory().buffer.Protect(vaddr, size, is_read_enable, !cached);
system.DeviceMemory().buffer.Protect(vaddr, size, !cached, !cached);
}
// Iterate over a contiguous CPU address space, which corresponds to the specified GPU
@ -651,7 +653,9 @@ struct Memory::Impl {
LOG_ERROR(HW_Memory, "Unmapped Read{} @ 0x{:016X}", sizeof(T) * 8,
GetInteger(vaddr));
},
[&]() { system.GPU().FlushRegion(GetInteger(vaddr), sizeof(T)); });
[&]() {
HandleRasterizerDownload(GetInteger(vaddr), sizeof(T));
});
if (ptr) {
std::memcpy(&result, ptr, sizeof(T));
}
@ -712,7 +716,18 @@ struct Memory::Impl {
return true;
}
void HandleRasterizerDownload(VAddr address, size_t size) {
const size_t core = system.GetCurrentHostThreadID();
auto& current_area = rasterizer_areas[core];
const VAddr end_address = address + size;
if (current_area.start_address <= address && end_address <= current_area.end_address) [[likely]] {
return;
}
current_area = system.GPU().OnCPURead(address, size);
}
Common::PageTable* current_page_table = nullptr;
std::array<VideoCore::RasterizerDownloadArea, Core::Hardware::NUM_CPU_CORES> rasterizer_areas{};
Core::System& system;
};

9
src/video_core/buffer_cache/buffer_base.h
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@ -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;

31
src/video_core/buffer_cache/buffer_cache.h
View File

@ -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);
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) {

5
src/video_core/buffer_cache/buffer_cache_base.h
View File

@ -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

26
src/video_core/buffer_cache/memory_tracker_base.h
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@ -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) {

14
src/video_core/buffer_cache/word_manager.h
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@ -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>

6
src/video_core/engines/maxwell_dma.cpp
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@ -223,7 +223,7 @@ void MaxwellDMA::CopyBlockLinearToPitch() {
write_buffer.resize_destructive(dst_size);
memory_manager.ReadBlock(src_operand.address, read_buffer.data(), src_size);
memory_manager.ReadBlockUnsafe(dst_operand.address, write_buffer.data(), dst_size);
memory_manager.ReadBlock(dst_operand.address, write_buffer.data(), dst_size);
UnswizzleSubrect(write_buffer, read_buffer, bytes_per_pixel, width, height, depth, x_offset,
src_params.origin.y, x_elements, regs.line_count, block_height, block_depth,
@ -288,11 +288,7 @@ void MaxwellDMA::CopyPitchToBlockLinear() {
write_buffer.resize_destructive(dst_size);
memory_manager.ReadBlock(regs.offset_in, read_buffer.data(), src_size);
if (Settings::IsGPULevelExtreme()) {
memory_manager.ReadBlock(regs.offset_out, write_buffer.data(), dst_size);
} else {
memory_manager.ReadBlockUnsafe(regs.offset_out, write_buffer.data(), dst_size);
}
// If the input is linear and the output is tiled, swizzle the input and copy it over.
SwizzleSubrect(write_buffer, read_buffer, bytes_per_pixel, width, height, depth, x_offset,

4
src/video_core/fence_manager.h
View File

@ -55,8 +55,8 @@ public:
// Unlike other fences, this one doesn't
void SignalOrdering() {
std::scoped_lock lock{buffer_cache.mutex};
buffer_cache.AccumulateFlushes();
std::function<void()> do_nothing([]{});
SignalFence(std::move(do_nothing));
}
void SyncOperation(std::function<void()>&& func) {

19
src/video_core/gpu.cpp
View File

@ -283,6 +283,21 @@ struct GPU::Impl {
gpu_thread.FlushRegion(addr, size);
}
VideoCore::RasterizerDownloadArea OnCPURead(VAddr addr, u64 size) {
auto raster_area = rasterizer->GetFlushArea(addr, size);
if (raster_area.preemtive) {
return raster_area;
}
raster_area.preemtive = true;
const u64 fence = RequestSyncOperation([this, &raster_area]() {
rasterizer->FlushRegion(raster_area.start_address,
raster_area.end_address - raster_area.start_address);
});
gpu_thread.TickGPU();
WaitForSyncOperation(fence);
return raster_area;
}
/// Notify rasterizer that any caches of the specified region should be invalidated
void InvalidateRegion(VAddr addr, u64 size) {
gpu_thread.InvalidateRegion(addr, size);
@ -538,6 +553,10 @@ void GPU::SwapBuffers(const Tegra::FramebufferConfig* framebuffer) {
impl->SwapBuffers(framebuffer);
}
VideoCore::RasterizerDownloadArea GPU::OnCPURead(VAddr addr, u64 size) {
return impl->OnCPURead(addr, size);
}
void GPU::FlushRegion(VAddr addr, u64 size) {
impl->FlushRegion(addr, size);
}

4
src/video_core/gpu.h
View File

@ -10,6 +10,7 @@
#include "core/hle/service/nvdrv/nvdata.h"
#include "video_core/cdma_pusher.h"
#include "video_core/framebuffer_config.h"
#include "video_core/rasterizer_download_area.h"
namespace Core {
class System;
@ -240,6 +241,9 @@ public:
/// Swap buffers (render frame)
void SwapBuffers(const Tegra::FramebufferConfig* framebuffer);
/// Notify rasterizer that any caches of the specified region should be flushed to Switch memory
[[nodiscard]] VideoCore::RasterizerDownloadArea OnCPURead(VAddr addr, u64 size);
/// Notify rasterizer that any caches of the specified region should be flushed to Switch memory
void FlushRegion(VAddr addr, u64 size);

13
src/video_core/rasterizer_download_area.h Normal file
View File

@ -0,0 +1,13 @@
#pragma once
#include "common/common_types.h"
namespace VideoCore {
struct RasterizerDownloadArea {
VAddr start_address;
VAddr end_address;
bool preemtive;
};
} // namespace VideoCore

3
src/video_core/rasterizer_interface.h
View File

@ -12,6 +12,7 @@
#include "video_core/cache_types.h"
#include "video_core/engines/fermi_2d.h"
#include "video_core/gpu.h"
#include "video_core/rasterizer_download_area.h"
namespace Tegra {
class MemoryManager;
@ -95,6 +96,8 @@ public:
virtual bool MustFlushRegion(VAddr addr, u64 size,
VideoCommon::CacheType which = VideoCommon::CacheType::All) = 0;
virtual RasterizerDownloadArea GetFlushArea(VAddr addr, u64 size) = 0;
/// Notify rasterizer that any caches of the specified region should be invalidated
virtual void InvalidateRegion(VAddr addr, u64 size,
VideoCommon::CacheType which = VideoCommon::CacheType::All) = 0;

10
src/video_core/renderer_null/null_rasterizer.cpp
View File

@ -1,6 +1,8 @@
// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "common/alignment.h"
#include "core/memory.h"
#include "video_core/host1x/host1x.h"
#include "video_core/memory_manager.h"
#include "video_core/renderer_null/null_rasterizer.h"
@ -46,6 +48,14 @@ bool RasterizerNull::MustFlushRegion(VAddr addr, u64 size, VideoCommon::CacheTyp
}
void RasterizerNull::InvalidateRegion(VAddr addr, u64 size, VideoCommon::CacheType) {}
void RasterizerNull::OnCPUWrite(VAddr addr, u64 size) {}
VideoCore::RasterizerDownloadArea RasterizerNull::GetFlushArea(VAddr addr, u64 size) {
VideoCore::RasterizerDownloadArea new_area{
.start_address = Common::AlignDown(addr, Core::Memory::YUZU_PAGESIZE),
.end_address = Common::AlignUp(addr + size, Core::Memory::YUZU_PAGESIZE),
.preemtive = true,
};
return new_area;
}
void RasterizerNull::InvalidateGPUCache() {}
void RasterizerNull::UnmapMemory(VAddr addr, u64 size) {}
void RasterizerNull::ModifyGPUMemory(size_t as_id, GPUVAddr addr, u64 size) {}

1
src/video_core/renderer_null/null_rasterizer.h
View File

@ -54,6 +54,7 @@ public:
void InvalidateRegion(VAddr addr, u64 size,
VideoCommon::CacheType which = VideoCommon::CacheType::All) override;
void OnCPUWrite(VAddr addr, u64 size) override;
VideoCore::RasterizerDownloadArea GetFlushArea(VAddr addr, u64 size) override;
void InvalidateGPUCache() override;
void UnmapMemory(VAddr addr, u64 size) override;
void ModifyGPUMemory(size_t as_id, GPUVAddr addr, u64 size) override;

23
src/video_core/renderer_opengl/gl_rasterizer.cpp
View File

@ -433,6 +433,29 @@ bool RasterizerOpenGL::MustFlushRegion(VAddr addr, u64 size, VideoCommon::CacheT
return false;
}
VideoCore::RasterizerDownloadArea RasterizerOpenGL::GetFlushArea(VAddr addr, u64 size) {
{
std::scoped_lock lock{texture_cache.mutex};
auto area = texture_cache.GetFlushArea(addr, size);
if (area) {
return *area;
}
}
{
std::scoped_lock lock{buffer_cache.mutex};
auto area = buffer_cache.GetFlushArea(addr, size);
if (area) {
return *area;
}
}
VideoCore::RasterizerDownloadArea new_area{
.start_address = Common::AlignDown(addr, Core::Memory::YUZU_PAGESIZE),
.end_address = Common::AlignUp(addr + size, Core::Memory::YUZU_PAGESIZE),
.preemtive = true,
};
return new_area;
}
void RasterizerOpenGL::InvalidateRegion(VAddr addr, u64 size, VideoCommon::CacheType which) {
MICROPROFILE_SCOPE(OpenGL_CacheManagement);
if (addr == 0 || size == 0) {

1
src/video_core/renderer_opengl/gl_rasterizer.h
View File

@ -95,6 +95,7 @@ public:
VideoCommon::CacheType which = VideoCommon::CacheType::All) override;
bool MustFlushRegion(VAddr addr, u64 size,
VideoCommon::CacheType which = VideoCommon::CacheType::All) override;
VideoCore::RasterizerDownloadArea GetFlushArea(VAddr addr, u64 size) override;
void InvalidateRegion(VAddr addr, u64 size,
VideoCommon::CacheType which = VideoCommon::CacheType::All) override;
void OnCPUWrite(VAddr addr, u64 size) override;

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

@ -502,6 +502,29 @@ bool RasterizerVulkan::MustFlushRegion(VAddr addr, u64 size, VideoCommon::CacheT
return false;
}
VideoCore::RasterizerDownloadArea RasterizerVulkan::GetFlushArea(VAddr addr, u64 size) {
{
std::scoped_lock lock{texture_cache.mutex};
auto area = texture_cache.GetFlushArea(addr, size);
if (area) {
return *area;
}
}
{
std::scoped_lock lock{buffer_cache.mutex};
auto area = buffer_cache.GetFlushArea(addr, size);
if (area) {
return *area;
}
}
VideoCore::RasterizerDownloadArea new_area{
.start_address = Common::AlignDown(addr, Core::Memory::YUZU_PAGESIZE),
.end_address = Common::AlignUp(addr + size, Core::Memory::YUZU_PAGESIZE),
.preemtive = true,
};
return new_area;
}
void RasterizerVulkan::InvalidateRegion(VAddr addr, u64 size, VideoCommon::CacheType which) {
if (addr == 0 || size == 0) {
return;

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

@ -92,6 +92,7 @@ public:
VideoCommon::CacheType which = VideoCommon::CacheType::All) override;
bool MustFlushRegion(VAddr addr, u64 size,
VideoCommon::CacheType which = VideoCommon::CacheType::All) override;
VideoCore::RasterizerDownloadArea GetFlushArea(VAddr addr, u64 size) 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;

1
src/video_core/texture_cache/image_info.h
View File

@ -39,6 +39,7 @@ struct ImageInfo {
u32 tile_width_spacing = 0;
bool rescaleable = false;
bool downscaleable = false;
bool forced_flushed = false;
};
} // namespace VideoCommon

3
src/video_core/texture_cache/image_view_base.cpp
View File

@ -26,8 +26,7 @@ ImageViewBase::ImageViewBase(const ImageViewInfo& info, const ImageInfo& image_i
ASSERT_MSG(VideoCore::Surface::IsViewCompatible(image_info.format, info.format, false, true),
"Image view format {} is incompatible with image format {}", info.format,
image_info.format);
const bool is_async = Settings::values.use_asynchronous_gpu_emulation.GetValue();
if (image_info.type == ImageType::Linear && is_async) {
if (image_info.forced_flushed) {
flags |= ImageViewFlagBits::PreemtiveDownload;
}
if (image_info.type == ImageType::e3D && info.type != ImageViewType::e3D) {

32
src/video_core/texture_cache/texture_cache.h
View File

@ -490,6 +490,32 @@ void TextureCache<P>::DownloadMemory(VAddr cpu_addr, size_t size) {
}
}
template <class P>
std::optional<VideoCore::RasterizerDownloadArea> TextureCache<P>::GetFlushArea(VAddr cpu_addr,
u64 size) {
std::optional<VideoCore::RasterizerDownloadArea> area{};
ForEachImageInRegion(cpu_addr, size, [&](ImageId, ImageBase& image) {
if (False(image.flags & ImageFlagBits::GpuModified)) {
return;
}
if (!area) {
area.emplace();
area->start_address = cpu_addr;
area->end_address = cpu_addr + size;
area->preemtive = true;
}
area->start_address = std::min(area->start_address, image.cpu_addr);
area->end_address = std::max(area->end_address, image.cpu_addr_end);
for (auto image_view_id : image.image_view_ids) {
auto& image_view = slot_image_views[image_view_id];
image_view.flags |= ImageViewFlagBits::PreemtiveDownload;
}
area->preemtive &= image.info.forced_flushed;
image.info.forced_flushed = true;
});
return area;
}
template <class P>
void TextureCache<P>::UnmapMemory(VAddr cpu_addr, size_t size) {
std::vector<ImageId> deleted_images;
@ -789,11 +815,15 @@ ImageId TextureCache<P>::DmaImageId(const Tegra::DMA::ImageOperand& operand) {
if (!dst_id) {
return NULL_IMAGE_ID;
}
const auto& image = slot_images[dst_id];
auto& image = slot_images[dst_id];
if (False(image.flags & ImageFlagBits::GpuModified)) {
// No need to waste time on an image that's synced with guest
return NULL_IMAGE_ID;
}
if (!image.info.forced_flushed) {
image.info.forced_flushed = true;
return NULL_IMAGE_ID;
}
const auto base = image.TryFindBase(operand.address);
if (!base) {
return NULL_IMAGE_ID;

2
src/video_core/texture_cache/texture_cache_base.h
View File

@ -179,6 +179,8 @@ public:
/// Download contents of host images to guest memory in a region
void DownloadMemory(VAddr cpu_addr, size_t size);
std::optional<VideoCore::RasterizerDownloadArea> GetFlushArea(VAddr cpu_addr, u64 size);
/// Remove images in a region
void UnmapMemory(VAddr cpu_addr, size_t size);