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KytyPS5/src/graphics/host_gpu/renderer/cache/textureCache.cpp
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#include "graphics/host_gpu/renderer/cache/textureCache.h"
#include "common/assert.h"
#include "common/emulatorConfig.h"
#include "common/logging/log.h"
#include "common/profiler.h"
#include "graphics/guest_gpu/gpu_format.h"
#include "graphics/guest_gpu/tile.h"
#include "graphics/host_gpu/graphicContext.h"
#include "graphics/host_gpu/renderer/cache/bufferCache.h"
#include "graphics/host_gpu/renderer/cache/resourceMutex.h"
#include "graphics/host_gpu/renderer/commandScheduler.h"
#include "graphics/host_gpu/renderer/image/imageView.h"
#include "graphics/host_gpu/renderer/image/textureCommon.h"
#include "graphics/host_gpu/renderer/image/tiler.h"
#include "graphics/host_gpu/renderer/render.h"
#include "kernel/memory.h"
#include <algorithm>
#include <array>
#include <bit>
#include <cinttypes>
#include <cstring>
#include <limits>
#include <mutex>
#include <set>
#include <tuple>
#include <vulkan/vulkan_format_traits.hpp>
namespace Libs::Graphics {
namespace {
constexpr uint64_t NumFramesBeforeRemoval = 32;
thread_local const TextureCache* g_locked_cache = nullptr;
class CacheLock final {
public:
CacheLock(const TextureCache& owner, TrackingSpinLock& lock): m_lock(lock) {
if (g_locked_cache != nullptr) {
EXIT("TextureCache: recursive cache lock\n");
}
g_locked_cache = &owner;
m_lock.lock();
}
~CacheLock() {
m_lock.unlock();
g_locked_cache = nullptr;
}
private:
TrackingSpinLock& m_lock;
};
} // namespace
TextureCache::TextureCache(GraphicContext& graphics, CommandScheduler& scheduler,
PageManager& page_manager, BufferCache& buffer_cache,
ResourceMutex& resource_mutex)
: m_graphics(graphics), m_scheduler(scheduler), m_page_manager(page_manager),
m_blit_helper(graphics, scheduler),
m_tiler(std::make_unique<TileManager>(graphics, scheduler,
buffer_cache.GetUtilityBuffer(MemoryUsage::Stream))),
m_buffer_cache(buffer_cache), m_resource_mutex(resource_mutex),
m_readback_linear_images(Config::ReadbackLinearImagesEnabled()) {
if (m_graphics.CanReportMemoryUsage()) {
constexpr int64_t GiB = 1024ll * 1024 * 1024;
const auto budget =
static_cast<int64_t>(std::min<uint64_t>(m_graphics.GetTotalMemoryBudget(), INT64_MAX));
const auto threshold = std::min<int64_t>(budget, 8 * GiB);
m_pressure_gc_memory = static_cast<uint64_t>(
std::max<int64_t>(std::min(budget - 6 * threshold / 10, budget - GiB), GiB + GiB / 2));
m_critical_gc_memory = static_cast<uint64_t>(
std::max<int64_t>(std::min(budget - 2 * threshold / 10, budget - GiB / 2), 3 * GiB));
m_trigger_gc_memory = static_cast<uint64_t>(std::max<int64_t>((budget - threshold) / 2, 0));
}
}
TextureCache::~TextureCache() {
for (uint32_t index = 0; index < m_slots.size(); index++) {
if (m_slots[index].image != nullptr && m_slots[index].image->registered) {
UnregisterImage({index, m_slots[index].generation});
}
m_slots[index].image.reset();
}
}
bool TextureCache::SameBacking(const ImageInfo& cached, const ImageInfo& requested,
bool exact_format) {
if (cached.data.address != requested.data.address) {
return false;
}
if (cached.data.size != requested.data.size) {
return false;
}
if (cached.extent != requested.extent) {
return false;
}
if (cached.samples != requested.samples) {
return false;
}
if (cached.bytes_per_block != requested.bytes_per_block) {
return false;
}
if (cached.tile_mode != requested.tile_mode) {
return false;
}
if (!ImageViewOps::FormatsCompatible(cached.pixel_format, requested.pixel_format)) {
return false;
}
if (cached.type != requested.type && requested.extent != vk::Extent3D {1, 1, 1}) {
return false;
}
if (exact_format && cached.pixel_format != requested.pixel_format) {
return false;
}
return true;
}
TextureCache::BindingType TextureCache::UploadBinding(const Image& image) {
if (image.info.IsDepth()) {
return BindingType::DepthTarget;
}
if (image.usage.render_target) {
return BindingType::RenderTarget;
}
if (image.usage.video_out) {
return BindingType::VideoOut;
}
return image.usage.storage ? BindingType::Storage : BindingType::Texture;
}
bool TextureCache::SafeToDownload(const Image& image) {
if (!image.SafeToDownload()) {
return false;
}
const auto range = image.info.data;
return !m_buffer_cache.HasGpuDirtyBytes(range.address, range.size);
}
Image& TextureCache::ResolveImage(ImageId id) {
if (!id || id.index >= m_slots.size()) {
EXIT("TextureCache: invalid image id\n");
}
auto& slot = m_slots[id.index];
if (slot.generation != id.generation || slot.image == nullptr) {
EXIT("TextureCache: stale image id\n");
}
return *slot.image;
}
const Image& TextureCache::ResolveImage(ImageId id) const {
if (!id || id.index >= m_slots.size()) {
EXIT("TextureCache: invalid image id\n");
}
const auto& slot = m_slots[id.index];
if (slot.generation != id.generation || slot.image == nullptr) {
EXIT("TextureCache: stale image id\n");
}
return *slot.image;
}
std::shared_ptr<Image> TextureCache::ResolveOwner(ImageId id) const {
if (!id || id.index >= m_slots.size()) {
return {};
}
const auto& slot = m_slots[id.index];
return slot.generation == id.generation ? slot.image : nullptr;
}
ImageId TextureCache::InsertImage(const ImageInfo& info) {
uint32_t index = 0;
if (m_free_slots.empty()) {
index = static_cast<uint32_t>(m_slots.size());
m_slots.emplace_back();
} else {
index = m_free_slots.back();
m_free_slots.pop_back();
}
auto& slot = m_slots[index];
if (slot.image != nullptr) {
EXIT("TextureCache: occupied free image slot\n");
}
slot.image = std::make_shared<Image>(m_graphics, m_scheduler, info);
const ImageId id {index, slot.generation};
if (!info.data.Empty()) {
RegisterImage(id);
}
return id;
}
void TextureCache::RegisterImage(ImageId id) {
auto& image = ResolveImage(id);
if (image.registered || image.info.data.Empty()) {
EXIT("TextureCache: invalid image registration\n");
}
std::vector<ImageOwnerIndex::ByteRange> ranges;
ranges.push_back({image.info.data.address, image.info.data.size});
if (!m_image_owner_index.Register(id, ranges)) {
EXIT("TextureCache: duplicate or invalid image registration\n");
}
image.registered = true;
image.lru_id = m_lru_cache.Insert(id, m_gc_tick);
m_total_used_memory += image.AccountedSize();
}
void TextureCache::UnregisterImage(ImageId id) {
auto& image = ResolveImage(id);
if (!image.registered) {
return;
}
UntrackImage(id);
std::vector<ImageOwnerIndex::ByteRange> releases;
if (!m_image_owner_index.Unregister(id, releases)) {
EXIT("TextureCache: image missing from owner index\n");
}
m_lru_cache.Free(image.lru_id);
const auto accounted = image.AccountedSize();
if (accounted > m_total_used_memory) {
EXIT("TextureCache: image accounting underflow\n");
}
m_total_used_memory -= accounted;
image.registered = false;
}
void TextureCache::DeleteImage(ImageId id) {
auto owner = ResolveOwner(id);
if (owner == nullptr || !owner->registered) {
return;
}
if (!owner->depth_id) {
std::vector<ImageId> associations;
for (uint32_t index = 0; index < m_slots.size(); index++) {
const auto& slot = m_slots[index];
if (slot.image != nullptr && slot.image->depth_id == id) {
associations.push_back({index, slot.generation});
}
}
for (const auto association: associations) {
ClearGpuModified(association);
DeleteImage(association);
}
}
if (owner->IsGpuModified()) {
EXIT("TextureCache: deleting a GPU-modified image without resolving its contents\n");
}
m_download_images.erase(id);
if (owner->info.metadata.kind == ImageMetadataKind::Htile) {
m_surface_metas.erase(owner->info.metadata.range.address);
}
UnregisterImage(id);
const auto erase_slot = [this, id, retained = owner] {
auto& slot = m_slots[id.index];
if (slot.generation != id.generation || slot.image != retained) {
EXIT("TextureCache: retired image slot changed before deferred erasure\n");
}
slot.image.reset();
if (++slot.generation == 0) {
slot.generation = 1;
}
m_free_slots.push_back(id.index);
};
if (m_scheduler.Active()) {
m_scheduler.DeferOperation(erase_slot);
} else {
erase_slot();
}
}
void TextureCache::DeleteImages(std::span<const ImageId> ids,
std::optional<ImageId> native_source) {
std::set<std::pair<uint32_t, uint32_t>> unique;
for (const auto id: ids) {
if (!id || !unique.emplace(id.index, id.generation).second) {
continue;
}
auto owner = ResolveOwner(id);
if (owner == nullptr) {
continue;
}
if (native_source == id) {
ClearGpuModified(id);
} else if (owner->IsGpuModified()) {
DownloadImage(id);
ClearGpuModified(id);
}
DeleteImage(id);
}
}
void TextureCache::RetainImage(CommandBuffer& command, ImageId id) {
auto owner = ResolveOwner(id);
if (owner == nullptr) {
EXIT("TextureCache: retaining a stale image\n");
}
if (owner->depth_id) {
auto depth = ResolveOwner(owner->depth_id);
if (depth == nullptr) {
EXIT("TextureCache: stencil association points to a stale depth image\n");
}
command.RetainResourceUntilFence(std::move(depth));
}
command.RetainResourceUntilFence(std::move(owner));
}
void TextureCache::TouchImage(Image& image) {
if (image.registered) {
m_lru_cache.Touch(image.lru_id, m_gc_tick);
}
}
void TextureCache::TrackImage(ImageId id) {
auto& image = ResolveImage(id);
if (!image.registered) {
return;
}
const auto image_begin = image.info.data.address;
const auto image_end = image.info.data.End();
if (image_begin == image.track_addr && image_end == image.track_addr_end) {
return;
}
if (!image.IsTracked()) {
image.track_addr = image_begin;
image.track_addr_end = image_end;
m_page_manager.UpdatePageWatchers<true>(image_begin, image.info.data.size);
return;
}
if (image_begin < image.track_addr) {
TrackImageHead(id);
}
if (image.track_addr_end < image_end) {
TrackImageTail(id);
}
}
void TextureCache::TrackImageHead(ImageId id) {
auto& image = ResolveImage(id);
if (!image.registered) {
return;
}
const auto image_begin = image.info.data.address;
if (image_begin == image.track_addr) {
return;
}
if (!image.IsTracked() || image_begin > image.track_addr) {
EXIT("TextureCache: invalid image head tracking range\n");
}
const auto size = image.track_addr - image_begin;
image.track_addr = image_begin;
m_page_manager.UpdatePageWatchers<true>(image_begin, size);
}
void TextureCache::TrackImageTail(ImageId id) {
auto& image = ResolveImage(id);
if (!image.registered) {
return;
}
const auto image_end = image.info.data.End();
if (image_end == image.track_addr_end) {
return;
}
if (!image.IsTracked() || image.track_addr_end > image_end) {
EXIT("TextureCache: invalid image tail tracking range\n");
}
const auto address = image.track_addr_end;
const auto size = image_end - address;
image.track_addr_end = image_end;
m_page_manager.UpdatePageWatchers<true>(address, size);
}
void TextureCache::UntrackImage(ImageId id) {
auto& image = ResolveImage(id);
if (!image.IsTracked()) {
return;
}
const auto address = image.track_addr;
const auto size = image.track_addr_end - image.track_addr;
image.track_addr = 0;
image.track_addr_end = 0;
if (size != 0) {
m_page_manager.UpdatePageWatchers<false>(address, size);
}
}
void TextureCache::UntrackImageHead(ImageId id) {
auto& image = ResolveImage(id);
const auto begin = image.info.data.address;
if (!image.IsTracked() || begin < image.track_addr) {
return;
}
const auto address = (begin + TRACKER_PAGE_SIZE) & ~(TRACKER_PAGE_SIZE - 1);
const auto size = address - begin;
image.track_addr = address;
if (image.track_addr == image.track_addr_end) {
image.MarkMaybeCpuDirty();
if (image.NeedsMaybeCpuHash()) {
image.SetMaybeCpuHash(image.HashGuestEdges());
}
UntrackImage(id);
}
if (size != 0) {
m_page_manager.UpdatePageWatchers<false>(begin, size);
}
}
void TextureCache::UntrackImageTail(ImageId id) {
auto& image = ResolveImage(id);
const auto end = image.info.data.End();
if (!image.IsTracked() || image.track_addr_end < end) {
return;
}
const auto address = end & ~(TRACKER_PAGE_SIZE - 1);
const auto size = end - address;
image.track_addr_end = address;
if (image.track_addr == image.track_addr_end) {
image.MarkMaybeCpuDirty();
if (image.NeedsMaybeCpuHash()) {
image.SetMaybeCpuHash(image.HashGuestEdges());
}
UntrackImage(id);
}
if (size != 0) {
m_page_manager.UpdatePageWatchers<false>(address, size);
}
}
void TextureCache::TrackImageDownload(ImageId id) {
std::lock_guard transaction(m_resource_mutex);
CacheLock lock(*this, m_lock);
auto& image = ResolveImage(id);
TrackImageDownloadLocked(id, image);
}
void TextureCache::TrackImageDownloadLocked(ImageId id, Image& image) {
if (m_readback_linear_images && !image.info.IsTiled() && !image.info.data.Empty()) {
if (!image.IsGpuModified()) {
EXIT("TextureCache: cannot enroll a non-GPU-owned image for download\n");
}
m_download_images.insert(id);
}
}
Image& TextureCache::GetImage(ImageId id) {
auto& image = ResolveImage(id);
TouchImage(image);
return image;
}
const Image& TextureCache::GetImage(ImageId id) const {
return ResolveImage(id);
}
std::vector<ImageId> TextureCache::FindImagesInRegion(uint64_t address, uint64_t size,
bool page_overlap) const {
return page_overlap ? m_image_owner_index.QueryCandidates(address, size)
: m_image_owner_index.Query(address, size);
}
ImageId TextureCache::GetNullImage(const ImageDesc& desc) {
auto& command = m_scheduler.Current();
const auto format = desc.info.pixel_format;
if (const auto found = m_null_images.find(format); found != m_null_images.end()) {
RetainImage(command, found->second);
return found->second;
}
ImageInfo info {};
info.pixel_format = desc.info.pixel_format;
info.guest_format = desc.info.guest_format;
info.type = Prospero::ImageType::kColor2D;
info.extent = {1, 1, 1};
info.resources = {1, 1};
info.pitch = 1;
info.bytes_per_block = std::max(desc.info.bytes_per_block, 1u);
info.samples = 1;
info.tile_mode = Prospero::GpuEnumValue(Prospero::TileMode::kLinear);
info.mip_layout[0] = {0, info.bytes_per_block, 1, 1};
const auto id = InsertImage(info);
m_null_images.emplace(format, id);
RetainImage(command, id);
return id;
}
void TextureCache::ValidateImageDesc(const ImageDesc& desc) const {
ImageOps::Validate(desc.info);
if (desc.view_info.format == vk::Format::eUndefined || desc.view_info.level_count == 0 ||
desc.view_info.layer_count == 0 ||
desc.view_info.base_level >= desc.info.resources.levels ||
desc.view_info.level_count > desc.info.resources.levels - desc.view_info.base_level ||
(!desc.info.IsVolume() &&
(desc.view_info.base_layer >= desc.info.resources.layers ||
desc.view_info.layer_count > desc.info.resources.layers - desc.view_info.base_layer))) {
EXIT("TextureCache: invalid image view description\n");
}
if (desc.type == BindingType::DepthTarget && !IsSupportedDepthTargetFormat(desc.info)) {
EXIT("TextureCache: unsupported depth image description\n");
}
if (desc.type == BindingType::VideoOut && !IsSupportedVideoOutFormat(desc.info)) {
EXIT("TextureCache: unsupported video-out image description\n");
}
if (desc.type == BindingType::VideoOut &&
desc.info.metadata.compression == VideoOutCompression::Unsupported) {
EXIT("TextureCache: unsupported compressed video-out description\n");
}
}
void TextureCache::PrepareImageCopy(Image& image) {
if (image.IsCpuDirty()) {
image.RefreshComplete();
}
}
void TextureCache::RefreshCopySource(ImageId id) {
auto& image = ResolveImage(id);
RefreshImage(id, ImageDesc {.info = image.info, .view_info = {}, .type = UploadBinding(image)});
if (image.IsDefinitelyCpuDirty()) {
EXIT("TextureCache: image copy source remained CPU-dirty after refresh\n");
}
}
bool TextureCache::CopyD16(Image& destination, Image& source) {
const bool source_depth = source.info.IsDepth();
const bool destination_depth = destination.info.IsDepth();
if (source_depth == destination_depth) {
return false;
}
auto& depth = source_depth ? source : destination;
auto& color = source_depth ? destination : source;
const auto transfer_bytes = DepthAspectTransferBytes(depth.backing.format);
if (depth.info.bytes_per_block != sizeof(uint16_t) ||
color.info.bytes_per_block != sizeof(uint16_t) || transfer_bytes != sizeof(uint32_t)) {
return false;
}
EXIT_IF(source.backing.samples != 1 || destination.backing.samples != 1 ||
source.info.resources.levels != 1 || destination.info.resources.levels != 1 ||
source.info.extent != destination.info.extent ||
source.info.resources.layers != destination.info.resources.layers);
const auto layers = depth.info.resources.layers;
const uint64_t depth_slice =
static_cast<uint64_t>(depth.info.pitch) * depth.info.extent.height * transfer_bytes;
const uint64_t color_slice =
static_cast<uint64_t>(color.info.pitch) * color.info.extent.height * sizeof(uint16_t);
EXIT_IF(layers == 0 || depth_slice > UINT64_MAX / layers || color_slice > UINT64_MAX / layers);
const auto depth_size = depth_slice * layers;
const auto color_size = color_slice * layers;
std::vector<vk::BufferImageCopy> depth_copies(layers);
std::vector<vk::BufferImageCopy> color_copies(layers);
for (uint32_t layer = 0; layer < layers; layer++) {
depth_copies[layer].bufferOffset = depth_slice * layer;
depth_copies[layer].bufferRowLength = depth.info.pitch;
depth_copies[layer].bufferImageHeight = depth.info.extent.height;
depth_copies[layer].imageSubresource = {vk::ImageAspectFlagBits::eDepth, 0, layer, 1};
depth_copies[layer].imageExtent = depth.info.extent;
color_copies[layer].bufferOffset = color_slice * layer;
color_copies[layer].bufferRowLength = color.info.pitch;
color_copies[layer].bufferImageHeight = color.info.extent.height;
color_copies[layer].imageSubresource = {vk::ImageAspectFlagBits::eColor, 0, layer, 1};
color_copies[layer].imageExtent = color.info.extent;
}
auto depth_buffer = m_tiler->GetScratchBuffer(depth_size);
auto color_buffer = m_tiler->GetScratchBuffer(color_size);
const TileManager::D16Layout promote_layout {
.width = depth.info.extent.width,
.height = depth.info.extent.height,
.layers = layers,
.source_row_stride = static_cast<uint64_t>(color.info.pitch) * sizeof(uint16_t),
.target_row_stride = static_cast<uint64_t>(depth.info.pitch) * transfer_bytes,
.source_slice_stride = color_slice,
.target_slice_stride = depth_slice,
};
const bool d32 = DepthAspectTransferFormat(depth.backing.format) == vk::Format::eD32Sfloat;
if (source_depth) {
source.Download(depth_copies, depth_buffer.buffer, depth_buffer.offset, depth_buffer.size);
m_tiler->ConvertD16(depth_buffer, color_buffer, TileManager::D16Direction::Demote, d32,
{.width = promote_layout.width,
.height = promote_layout.height,
.layers = promote_layout.layers,
.source_row_stride = promote_layout.target_row_stride,
.target_row_stride = promote_layout.source_row_stride,
.source_slice_stride = promote_layout.target_slice_stride,
.target_slice_stride = promote_layout.source_slice_stride});
destination.Upload(color_copies, color_buffer.buffer, color_buffer.offset,
color_buffer.size);
} else {
source.Download(color_copies, color_buffer.buffer, color_buffer.offset, color_buffer.size);
m_tiler->ConvertD16(color_buffer, depth_buffer, TileManager::D16Direction::Promote, d32,
promote_layout);
destination.Upload(depth_copies, depth_buffer.buffer, depth_buffer.offset,
depth_buffer.size);
}
return true;
}
void TextureCache::CopyImage(ImageId destination_id, ImageId source_id) {
RefreshCopySource(source_id);
auto& destination = ResolveImage(destination_id);
auto& source = ResolveImage(source_id);
TrackImage(destination_id);
if (source.backing.samples != destination.backing.samples) {
EXIT("TextureCache: cannot issue an unequal-sample image copy\n");
}
PrepareImageCopy(destination);
if (source.IsBufferModified()) {
if (source.info.data == destination.info.data) {
destination.MarkBufferModified();
}
return;
}
const bool source_depth = source.info.IsDepth();
const bool dest_depth = destination.info.IsDepth();
const bool direct_copy =
source.backing.format == destination.backing.format ||
(!source_depth && !dest_depth &&
vk::blockSize(source.backing.format) == vk::blockSize(destination.backing.format));
if (direct_copy) {
destination.CopyImage(source);
} else if (!CopyD16(destination, source)) {
if (source.backing.samples != 1 || destination.backing.samples != 1) {
EXIT("TextureCache: cross-format multisample image copy is unsupported\n");
}
auto& copy_buffer = m_buffer_cache.GetUtilityBuffer(MemoryUsage::DeviceLocal);
destination.CopyImageWithBuffer(source, copy_buffer);
}
RetainImage(m_scheduler.Current(), source_id);
RetainImage(m_scheduler.Current(), destination_id);
if (source.IsGpuModified()) {
destination.MarkGpuModified();
}
destination.ClearBufferModified();
}
void TextureCache::CopyImageMip(ImageId destination_id, ImageId source_id, uint32_t mip,
uint32_t layer) {
RefreshCopySource(source_id);
auto& destination = ResolveImage(destination_id);
auto& source = ResolveImage(source_id);
TrackImage(destination_id);
if (source.IsBufferModified() || source.backing.samples != destination.backing.samples) {
EXIT("TextureCache: invalid mip-copy ownership or sample count\n");
}
destination.CopyMip(source, mip, layer);
RetainImage(m_scheduler.Current(), source_id);
RetainImage(m_scheduler.Current(), destination_id);
if (source.IsGpuModified()) {
destination.MarkGpuModified();
}
}
ImageId TextureCache::ResolveDepthOverlap(const ImageInfo& requested, BindingType binding,
ImageId cached_id) {
auto& cached = ResolveImage(cached_id);
if (!cached.info.IsDepth() && !requested.IsDepth()) {
return {};
}
const bool stencil_match = requested.HasStencil() == cached.info.HasStencil();
const bool bpp_match = requested.bytes_per_block == cached.info.bytes_per_block;
bool recreate = cached.info.resources < requested.resources;
switch (binding) {
case BindingType::Texture: recreate |= requested.IsDepth() && !cached.info.IsDepth(); break;
case BindingType::Storage: recreate |= cached.info.IsDepth(); break;
case BindingType::RenderTarget: recreate |= cached.info.IsDepth(); break;
case BindingType::DepthTarget:
recreate |= !cached.info.IsDepth();
recreate |= cached.info.IsDepth() && !(stencil_match && bpp_match);
break;
case BindingType::VideoOut: recreate |= cached.info.IsDepth(); break;
}
if (!recreate) {
return cached_id;
}
RefreshImage(cached_id,
ImageDesc {.info = cached.info, .view_info = {}, .type = UploadBinding(cached)});
auto info = requested;
info.resources = std::max(requested.resources, cached.info.resources);
info.htile_clear_mask = 0;
const auto replacement_id = InsertImage(info);
auto& replacement = ResolveImage(replacement_id);
replacement.usage = cached.usage;
if (cached.binding.is_bound || cached.binding.is_target) {
cached.binding.needs_rebind = true;
}
bool copied = false;
if (cached.backing.samples == replacement.backing.samples) {
const bool copy_supported =
cached.backing.samples == 1 || cached.backing.format == replacement.backing.format ||
(!cached.info.IsDepth() && !replacement.info.IsDepth() &&
ImageViewOps::FormatsCompatible(cached.backing.format, replacement.backing.format));
if (copy_supported) {
CopyImage(replacement_id, cached_id);
copied = true;
} else {
LOGF_COLOR(Log::Color::BrightYellow,
"TextureCache: unsupported cross-format multisample depth copy\n");
}
} else if (cached.backing.samples == 1 && replacement.backing.samples > 1 &&
replacement.info.IsDepth()) {
RefreshCopySource(cached_id);
if (cached.IsBufferModified() || cached.IsDefinitelyCpuDirty()) {
EXIT("TextureCache: multisample depth conversion source is not native-current\n");
}
PrepareImageCopy(replacement);
m_blit_helper.ReinterpretColorAsMsDepth(cached, replacement);
auto& command = m_scheduler.Current();
RetainImage(command, cached_id);
RetainImage(command, replacement_id);
CommitGpuWrite(replacement);
copied = true;
} else {
LOGF_COLOR(Log::Color::BrightYellow,
"TextureCache: unsupported unequal-sample depth overlap copy (%u -> %u)\n",
cached.backing.samples, replacement.backing.samples);
}
if (copied) {
DeleteImages(std::array {cached_id}, cached_id);
} else {
ClearGpuModified(cached_id);
DeleteImage(cached_id);
}
return replacement_id;
}
TextureCache::OverlapResult TextureCache::ResolveOverlap(const ImageInfo& requested,
BindingType binding, ImageId cached_id,
ImageId merged_id) {
auto owner = ResolveOwner(cached_id);
if (owner == nullptr) {
return {merged_id};
}
auto& cached = *owner;
const auto current_tick = m_scheduler.CurrentTick();
const bool safe_to_delete =
current_tick - std::min(current_tick, cached.tick_accessed_last) > NumFramesBeforeRemoval;
if (requested.data.address == cached.info.data.address) {
const uint32_t requested_block = requested.bytes_per_block * requested.samples;
const uint32_t cached_block = cached.info.bytes_per_block * cached.info.samples;
if (requested.BlockExtent() != cached.info.BlockExtent() ||
requested_block != cached_block) {
if (safe_to_delete) {
DeleteImages(std::array {cached_id}, cached_id);
}
return {merged_id};
}
if (const auto depth_id = ResolveDepthOverlap(requested, binding, cached_id)) {
return {depth_id};
}
if (requested.IsBlock() && !cached.info.IsBlock()) {
return {ExpandImage(requested, cached_id)};
}
if (requested.data.size == cached.info.data.size &&
(requested.IsVolume() || cached.info.IsVolume())) {
return {ExpandImage(requested, cached_id)};
}
if (requested.tile_mode != cached.info.tile_mode) {
if (safe_to_delete) {
DeleteImages(std::array {cached_id}, cached_id);
}
return {merged_id};
}
if (requested.pixel_format != cached.info.pixel_format ||
requested.data.size <= cached.info.data.size) {
const auto result_id = merged_id ? merged_id : cached_id;
const auto result = ResolveOwner(result_id);
return {result != nullptr && ImageViewOps::FormatsCompatible(result->info.pixel_format,
requested.pixel_format)
? result_id
: ImageId {}};
}
if (requested.type == cached.info.type && requested.resources > cached.info.resources) {
return {ExpandImage(requested, cached_id)};
}
EXIT("TextureCache: unresolvable equal-address image overlap, address=0x%016" PRIx64
" requested=%ux%u "
"cached=%ux%u requested_size=0x%016" PRIx64 " cached_size=0x%016" PRIx64
" type=%u/%u tile=%u/%u\n",
requested.data.address, requested.resources.levels, requested.resources.layers,
cached.info.resources.levels, cached.info.resources.layers, requested.data.size,
cached.info.data.size, static_cast<uint32_t>(requested.type),
static_cast<uint32_t>(cached.info.type), requested.tile_mode, cached.info.tile_mode);
}
if (requested.data.address > cached.info.data.address) {
const int32_t mip = requested.MipOf(cached.info);
if (mip >= 0) {
const int32_t layer = requested.SliceOf(cached.info, mip);
if (layer >= 0) {
return {cached_id, mip, layer};
}
}
if (safe_to_delete) {
DeleteImages(std::array {cached_id}, cached_id);
}
return {};
}
const int32_t mip = cached.info.MipOf(requested);
if (mip >= 0) {
const int32_t layer = cached.info.SliceOf(requested, mip);
if (layer >= 0) {
if (cached.binding.is_target) {
cached.binding.needs_rebind = true;
if (merged_id) {
ResolveImage(merged_id).binding.is_target = true;
}
DeleteImages(std::array {cached_id}, cached_id);
return {merged_id};
}
if (merged_id) {
CopyImageMip(merged_id, cached_id, static_cast<uint32_t>(mip),
static_cast<uint32_t>(layer));
DeleteImages(std::array {cached_id}, cached_id);
}
}
}
return {merged_id};
}
ImageId TextureCache::ExpandImage(const ImageInfo& info, ImageId source_id) {
RefreshCopySource(source_id);
const auto expanded_id = InsertImage(info);
auto& expanded = ResolveImage(expanded_id);
auto& source = ResolveImage(source_id);
expanded.usage = source.usage;
if (source.binding.is_bound || source.binding.is_target) {
source.binding.needs_rebind = true;
}
InitializeImage(expanded_id,
ImageDesc {.info = info, .view_info = {}, .type = UploadBinding(source)});
CopyImage(expanded_id, source_id);
DeleteImages(std::array {source_id}, source_id);
return expanded_id;
}
struct TextureCache::ColorTransferPlan {
TextureUploadLayout layout;
std::vector<vk::BufferImageCopy> regions;
std::vector<GpuTileInfo> tiles;
uint64_t linear_size = 0;
bool tiled = false;
bool swap_bgra16 = false;
bool valid = false;
};
static uint64_t GetLinearSize(std::span<const GpuTileInfo> tiles) {
uint64_t size = 0;
for (const auto& tile: tiles) {
size = std::max(size, tile.linear_offset + tile.linear_size);
}
return size;
}
struct TextureCache::DownloadPlan {
ColorTransferPlan color;
bool depth = false;
bool valid = false;
};
TextureCache::ColorTransferPlan
TextureCache::BuildColorTransfer(const Image& image, BindingType binding,
TransferDirection direction) const {
const auto& info = image.info;
uint32_t format = info.guest_format;
uint32_t layers = info.TransferLayers();
bool volume = info.IsVolume();
bool layered = info.IsLayered();
bool allow_depth_tile = direction == TransferDirection::Upload;
const char* owner =
direction == TransferDirection::Upload ? "TextureCache" : "TextureCache readback";
ColorTransferPlan plan;
if (direction == TransferDirection::Upload) {
switch (binding) {
case BindingType::Texture: break;
case BindingType::Storage: owner = "StorageTextureCache"; break;
case BindingType::RenderTarget:
if (info.resources.layers == 0 || info.data.size % info.resources.layers != 0 ||
info.samples != 1 || image.backing.samples != 1) {
EXIT("TextureCache: invalid color-attachment upload\n");
}
format = ImageOps::RenderTargetTransferFormat(info.bytes_per_block);
allow_depth_tile = false;
plan.swap_bgra16 = info.bgra16;
owner = "RenderTarget";
break;
case BindingType::VideoOut:
if (info.resources.layers == 0 || info.data.size % info.resources.layers != 0 ||
info.samples != 1 || image.backing.samples != 1 ||
info.metadata.compression != VideoOutCompression::Uncompressed) {
EXIT("TextureCache: invalid color-attachment upload\n");
}
format = info.guest_format;
layers = info.resources.layers;
volume = false;
layered = layers > 1;
allow_depth_tile = false;
plan.swap_bgra16 = info.bgra16;
owner = "VideoOut";
break;
case BindingType::DepthTarget: return plan;
}
} else {
if (binding == BindingType::DepthTarget) {
return plan;
}
format = binding == BindingType::RenderTarget
? ImageOps::RenderTargetTransferFormat(info.bytes_per_block)
: info.guest_format;
allow_depth_tile = binding == BindingType::Storage;
plan.swap_bgra16 = info.bgra16;
}
plan.layout = TextureCalcUploadLayout(format, info.extent.width, info.extent.height,
info.resources.levels, layers, info.pitch, info.tile_mode,
info.data.size, allow_depth_tile, volume, owner);
plan.regions = TextureBuildImageCopies(plan.layout, info.extent.width, info.extent.height,
layers, info.resources.levels, layered, volume);
plan.tiled = static_cast<Prospero::TileMode>(plan.layout.tile) != Prospero::TileMode::kLinear;
if (plan.tiled) {
// CMASK/FMASK decoding is intentionally deferred.
if (plan.layout.tile_family == TileBlockFamily::Depth64KB &&
Prospero::IsFmaskTextureFormat(format)) {
return plan;
}
if (!TextureBuildGpuTileInfos(info.data.size, plan.regions, plan.layout, format, layers,
info.resources.levels, plan.tiles)) {
return plan;
}
plan.linear_size = GetLinearSize(plan.tiles);
}
plan.valid = true;
return plan;
}
TextureCache::DownloadPlan TextureCache::BuildDownload(const Image& image) const {
const auto& info = image.info;
DownloadPlan plan {.depth = info.IsDepth()};
if (info.samples != 1 || image.backing.samples != 1) {
return plan;
}
if (plan.depth) {
plan.valid = IsSupportedDepthPlaneReadback(info) && info.resources.layers != 0 &&
info.data.size % info.resources.layers == 0 &&
Prospero::NumBytesPerElement(info.guest_format) == info.bytes_per_block;
return plan;
}
if (info.metadata.compression != VideoOutCompression::Uncompressed) {
return plan;
}
plan.color = BuildColorTransfer(image, UploadBinding(image), TransferDirection::Download);
plan.valid = plan.color.valid;
return plan;
}
void TextureCache::UploadImage(Image& image, const ImageDesc& desc, Buffer& source,
uint64_t source_offset) {
const auto& info = image.info;
const auto upload = [&](std::vector<vk::BufferImageCopy>& copies, TileManager::Result linear) {
for (auto& copy: copies) {
copy.bufferOffset += linear.offset;
}
image.Upload(copies, linear.buffer, linear.offset, linear.size);
};
if (desc.type != BindingType::DepthTarget) {
auto plan = BuildColorTransfer(image, desc.type, TransferDirection::Upload);
if (!plan.valid) {
EXIT("TextureCache: invalid color upload: binding=%u addr=0x%016" PRIx64
" size=0x%016" PRIx64 " format=%u tile=%u family=%u extent=%ux%ux%u "
"pitch=%u levels=%u layers=%u samples=%u\n",
static_cast<uint32_t>(desc.type), info.data.address, info.data.size,
info.guest_format, info.tile_mode, static_cast<uint32_t>(plan.layout.tile_family),
info.extent.width, info.extent.height, info.extent.depth, info.pitch,
info.resources.levels, info.resources.layers, info.samples);
}
TileManager::Result linear {source.Handle(), source_offset, info.data.size};
if (plan.tiled) {
linear = m_tiler->Detile(source.Handle(), source_offset, info.data.size,
plan.linear_size, plan.tiles);
}
if (plan.swap_bgra16) {
linear = m_tiler->SwapBgra16(linear);
}
upload(plan.regions, linear);
return;
}
if (desc.type != BindingType::DepthTarget || info.samples != 1 || image.backing.samples != 1 ||
info.resources.layers == 0 || info.data.size % info.resources.layers != 0 ||
Prospero::NumBytesPerElement(info.guest_format) != info.bytes_per_block) {
EXIT("TextureCache: invalid depth upload\n");
}
TileBlockLayout block {};
EXIT_NOT_IMPLEMENTED(
!TileGetBlockLayout(TileBlockFamily::Depth64KB, info.bytes_per_block, block));
const auto layers = info.resources.layers;
const auto full_slice_size = info.data.size / layers;
std::vector<GpuTileInfo> tiles;
std::vector<vk::BufferImageCopy> copies(layers);
tiles.reserve(layers);
for (uint32_t layer = 0; layer < layers; layer++) {
const uint64_t offset = full_slice_size * layer;
auto& copy = copies[layer];
copy.bufferOffset = offset;
copy.bufferRowLength = info.pitch;
copy.bufferImageHeight = info.extent.height;
copy.imageSubresource = {vk::ImageAspectFlagBits::eDepth, 0, layer, 1};
copy.imageExtent = {info.extent.width, info.extent.height, 1};
if (static_cast<Prospero::TileMode>(info.tile_mode) != Prospero::TileMode::kLinear) {
tiles.push_back({block.family, block.bytes_per_element, offset, full_slice_size, offset,
full_slice_size, 0, info.extent.width, info.extent.height, 1,
info.pitch});
tiles.back().surface_z = layer;
}
}
TileManager::Result linear {source.Handle(), source_offset, source.Size() - source_offset};
if (!tiles.empty()) {
linear =
m_tiler->Detile(source.Handle(), source_offset, info.data.size, info.data.size, tiles);
}
const auto transfer_bytes = DepthAspectTransferBytes(info.pixel_format);
if (transfer_bytes != info.bytes_per_block) {
const uint64_t texels_per_slice = static_cast<uint64_t>(info.pitch) * info.extent.height;
EXIT_NOT_IMPLEMENTED(info.bytes_per_block != sizeof(uint16_t) ||
transfer_bytes != sizeof(uint32_t) || texels_per_slice > UINT32_MAX ||
texels_per_slice > UINT64_MAX / transfer_bytes);
const uint64_t transfer_slice = texels_per_slice * transfer_bytes;
EXIT_NOT_IMPLEMENTED(transfer_slice > UINT64_MAX / layers);
auto promoted = m_tiler->GetScratchBuffer(transfer_slice * layers);
m_tiler->ConvertD16(
linear, promoted, TileManager::D16Direction::Promote,
info.pixel_format == vk::Format::eD32SfloatS8Uint,
{.width = info.extent.width,
.height = info.extent.height,
.layers = layers,
.source_row_stride = static_cast<uint64_t>(info.pitch) * sizeof(uint16_t),
.target_row_stride = static_cast<uint64_t>(info.pitch) * sizeof(uint32_t),
.source_slice_stride = full_slice_size,
.target_slice_stride = transfer_slice});
linear = promoted;
for (uint32_t layer = 0; layer < layers; layer++) {
copies[layer].bufferOffset = transfer_slice * layer;
}
}
upload(copies, linear);
}
void TextureCache::InitializeImage(ImageId id, const ImageDesc& desc) {
auto& image = ResolveImage(id);
if (image.info.data.Empty()) {
return;
}
TrackImage(id);
if (image.info.metadata.compression != VideoOutCompression::Uncompressed) {
if (image.IsCpuDirty()) {
image.RefreshComplete();
}
return;
}
if (image.info.samples > 1) {
return;
}
bool data_imported = false;
const bool upload = image.IsBufferModified() || image.IsCpuDirty();
if (upload) {
const auto source =
m_buffer_cache.ObtainBufferForImage(image.info.data.address, image.info.data.size);
if (source.buffer == nullptr) {
EXIT("TextureCache: failed to obtain image upload source\n");
}
data_imported = true;
UploadImage(image, desc, *source.buffer, source.offset);
}
if (data_imported) {
image.ClearBufferModified();
}
if (image.IsCpuDirty()) {
image.RefreshComplete();
}
}
void TextureCache::RefreshImage(ImageId id, const ImageDesc& desc) {
TrackImage(id);
auto& image = ResolveImage(id);
if (image.IsMaybeCpuDirty()) {
const auto hash = image.HashGuestEdges();
if (image.NeedsMaybeCpuHash()) {
image.SetMaybeCpuHash(hash);
return;
}
(void)image.ResolveMaybeCpuHash(hash);
}
bool cpu_dirty = image.IsBufferModified() || image.IsDefinitelyCpuDirty();
if (image.info.metadata.compression != VideoOutCompression::Uncompressed) {
if (cpu_dirty) {
EXIT("TextureCache: compressed guest image refresh is unsupported\n");
}
return;
}
if (!cpu_dirty) {
return;
}
InitializeImage(id, desc);
}
void TextureCache::AssociateStencil(ImageId depth_id, GuestRange stencil) {
std::lock_guard transaction(m_resource_mutex);
CacheLock lock(*this, m_lock);
AssociateStencilLocked(depth_id, stencil);
}
void TextureCache::AssociateStencilLocked(ImageId depth_id, GuestRange stencil) {
if (!stencil.Valid()) {
EXIT("TextureCache: invalid stencil association range\n");
}
auto& depth = ResolveImage(depth_id);
if (!depth.info.IsDepth() || !depth.info.HasStencil()) {
EXIT("TextureCache: stencil association requires a depth/stencil image\n");
}
ImageId association {};
for (const auto id: FindImagesInRegion(stencil.address, stencil.size, false)) {
const auto owner = ResolveOwner(id);
if (owner != nullptr && owner->info.data.address == stencil.address) {
association = id;
}
}
if (!association) {
ImageInfo info {};
info.data = stencil;
info.extent = depth.info.extent;
association = InsertImage(info);
}
auto& record = ResolveImage(association);
TouchImage(record);
record.AssociateDepth(depth_id);
}
ImageId TextureCache::FindImage(ImageDesc& desc, bool exact_format) {
auto& command = m_scheduler.Current();
if (command.IsInvalid()) {
EXIT("TextureCache: image lookup requires a valid command buffer\n");
}
ValidateImageDesc(desc);
if (desc.info.data.Empty()) {
CacheLock lock(*this, m_lock);
return GetNullImage(desc);
}
ImageId result {};
bool inserted_new = false;
{
std::lock_guard transaction(m_resource_mutex);
CacheLock lock(*this, m_lock);
const std::vector<ImageId> candidates =
FindImagesInRegion(desc.info.data.address, desc.info.data.size, false);
for (const auto id: candidates) {
const auto owner = ResolveOwner(id);
if (owner == nullptr) {
continue;
}
if (SameBacking(owner->info, desc.info, exact_format)) {
result = id;
}
}
int32_t view_mip = -1;
int32_t view_layer = -1;
if (!result) {
for (const auto candidate: candidates) {
view_mip = -1;
view_layer = -1;
const auto owner = ResolveOwner(candidate);
if (owner == nullptr) {
continue;
}
const auto& merged_info = result ? ResolveImage(result).info : desc.info;
const auto overlap = ResolveOverlap(merged_info, desc.type, candidate, result);
if (overlap.image) {
result = overlap.image;
view_mip = overlap.mip;
view_layer = overlap.layer;
}
}
}
if (result) {
auto& resolved = ResolveImage(result);
if (exact_format && resolved.info.pixel_format != desc.info.pixel_format) {
result = {};
} else if (resolved.info.resources < desc.info.resources) {
result = ExpandImage(desc.info, result);
}
}
if (!result) {
result = InsertImage(desc.info);
inserted_new = true;
auto& inserted = ResolveImage(result);
if (m_buffer_cache.HasGpuDirtyBytes(inserted.info.data.address,
inserted.info.data.size)) {
inserted.MarkBufferModified();
}
}
if (inserted_new) {
InitializeImage(result, desc);
} else {
RefreshImage(result, desc);
}
auto& image = ResolveImage(result);
if (desc.type == BindingType::VideoOut &&
desc.info.metadata.compression != VideoOutCompression::Uncompressed) {
const bool guest_dirty = image.IsBufferModified() || image.IsCpuDirty();
const bool native_current =
(image.usage.render_target || image.IsGpuModified()) && !guest_dirty;
if (!native_current) {
EXIT("TextureCache: compressed video-out read requires clean native GPU "
"contents\n");
}
}
if (view_mip >= 0) {
desc.view_info.base_level = static_cast<uint32_t>(view_mip);
}
if (view_layer >= 0) {
desc.view_info.base_layer = static_cast<uint32_t>(view_layer);
}
image.tick_accessed_last = m_scheduler.CurrentTick();
TouchImage(image);
RetainImage(command, result);
}
return result;
}
ImageId TextureCache::FindImageFromRange(uint64_t address, uint64_t size, bool ensure_valid) {
if (!GuestRange {address, size}.Valid()) {
return {};
}
CacheLock lock(*this, m_lock);
std::vector<ImageId> matches;
for (const auto id: FindImagesInRegion(address, size, false)) {
auto owner = ResolveOwner(id);
if (owner == nullptr || owner->info.data.address != address) {
continue;
}
if (ensure_valid && owner->depth_id) {
owner = ResolveOwner(owner->depth_id);
}
if (owner == nullptr || (ensure_valid && !owner->SafeToDownload())) {
continue;
}
matches.push_back(id);
}
ImageId selected {};
if (matches.size() == 1) {
selected = matches.front();
} else {
for (const auto id: matches) {
const auto& image = ResolveImage(id);
if (image.info.data.size == size) {
selected = id;
break;
}
}
}
if (selected) {
if (ensure_valid) {
const auto owner = ResolveOwner(selected);
if (owner != nullptr && owner->depth_id) {
selected = owner->depth_id;
}
}
RetainImage(m_scheduler.Current(), selected);
}
return selected;
}
vk::ImageView TextureCache::FindTexture(ImageId id, const ImageDesc& desc) {
std::lock_guard transaction(m_resource_mutex);
CacheLock lock(*this, m_lock);
auto& image = ResolveImage(id);
TouchImage(image);
if (!image.info.data.Empty()) {
if (!image.registered || image.depth_id || image.binding.needs_rebind) {
EXIT("TextureCache: texture requires rediscovery before final acquisition\n");
}
RefreshImage(id, desc);
}
switch (desc.type) {
case BindingType::Texture: break;
case BindingType::Storage:
if (image.info.data.Empty()) {
image.MarkGpuModified();
} else {
if (!image.registered || image.depth_id) {
EXIT("TextureCache: cannot acquire an unavailable storage image\n");
}
CommitGpuWrite(image);
}
TrackImageDownloadLocked(id, image);
break;
default: EXIT("TextureCache: invalid texture binding\n");
}
const auto view = image.FindView(desc.view_info);
RetainImage(m_scheduler.Current(), id);
return view;
}
vk::ImageView TextureCache::FindRenderTarget(ImageId id, const ImageDesc& desc) {
if (desc.type != BindingType::RenderTarget) {
EXIT("TextureCache: invalid color-target binding\n");
}
std::lock_guard transaction(m_resource_mutex);
CacheLock lock(*this, m_lock);
auto& image = ResolveImage(id);
if (!image.registered || image.depth_id || image.binding.needs_rebind) {
EXIT("TextureCache: color target requires rediscovery before final acquisition\n");
}
TouchImage(image);
RefreshImage(id, desc);
CommitGpuWrite(image);
image.usage.render_target = true;
TrackImageDownloadLocked(id, image);
const auto view = image.FindView(desc.view_info);
RetainImage(m_scheduler.Current(), id);
return view;
}
vk::ImageView TextureCache::FindDepthTarget(ImageId id, const ImageDesc& desc) {
if (desc.type != BindingType::DepthTarget) {
EXIT("TextureCache: invalid depth-target binding\n");
}
std::lock_guard transaction(m_resource_mutex);
CacheLock lock(*this, m_lock);
auto& image = ResolveImage(id);
if (!image.registered || image.depth_id || image.binding.needs_rebind) {
EXIT("TextureCache: depth target requires rediscovery before final acquisition\n");
}
TouchImage(image);
RefreshImage(id, desc);
if (desc.info.HasMetadata()) {
image.info.metadata = desc.info.metadata;
m_surface_metas.try_emplace(desc.info.metadata.range.address,
MetaDataInfo {.clear_mask = image.info.htile_clear_mask});
}
CommitGpuWrite(image);
image.usage.depth_target = true;
if (desc.info.HasStencil()) {
AssociateStencilLocked(id, desc.info.stencil);
}
const auto view = image.FindView(desc.view_info);
RetainImage(m_scheduler.Current(), id);
return view;
}
void TextureCache::MarkGpuWritten(ImageId id) {
std::lock_guard transaction(m_resource_mutex);
CacheLock lock(*this, m_lock);
auto& image = ResolveImage(id);
if (!image.registered || image.depth_id) {
EXIT("TextureCache: cannot mark an unavailable image GPU-written\n");
}
TrackImage(id);
CommitGpuWrite(image);
}
void TextureCache::CommitGpuWrite(Image& image) {
if (image.depth_id || image.backing.image == nullptr) {
EXIT("TextureCache: stencil association cannot own image contents\n");
}
image.ClearBufferModified();
if (image.IsCpuDirty()) {
image.RefreshComplete();
}
image.MarkGpuModified();
}
bool TextureCache::ClearImageFromBuffer(CommandBuffer& command, uint64_t address, uint64_t size,
uint32_t packed_clear) {
if (command.IsInvalid() || !GuestRange {address, size}.Valid()) {
EXIT("TextureCache: invalid image clear\n");
}
std::lock_guard transaction(m_resource_mutex);
CacheLock lock(*this, m_lock);
ImageId selected {};
vk::ImageAspectFlags aspect {};
for (const auto id: FindImagesInRegion(address, size, false)) {
auto owner = ResolveOwner(id);
if (owner == nullptr) {
continue;
}
vk::ImageAspectFlags candidate {};
ImageId candidate_id = id;
if (owner->depth_id && owner->info.data.address == address &&
owner->info.data.size == size) {
candidate = vk::ImageAspectFlagBits::eStencil;
candidate_id = owner->depth_id;
owner = ResolveOwner(candidate_id);
if (owner == nullptr || owner->backing.image == nullptr || !owner->info.HasStencil()) {
continue;
}
} else if (!owner->depth_id && owner->info.data.address == address &&
owner->info.data.size == size) {
candidate = owner->info.IsDepth() ? vk::ImageAspectFlagBits::eDepth
: vk::ImageAspectFlagBits::eColor;
}
if (!candidate) {
continue;
}
if (selected && selected != candidate_id) {
return false;
}
selected = candidate_id;
aspect = candidate;
}
if (!selected) {
return false;
}
auto& image = ResolveImage(selected);
vk::ClearColorValue color_clear {};
float depth_clear = 0.0f;
uint8_t stencil_clear = 0;
if (aspect == vk::ImageAspectFlagBits::eColor) {
if (!DecodePackedColorClear(image.info.pixel_format, packed_clear, color_clear)) {
return false;
}
} else {
if ((aspect == vk::ImageAspectFlagBits::eDepth &&
!DecodePackedDepthClear(image.info.pixel_format, packed_clear, depth_clear)) ||
(aspect == vk::ImageAspectFlagBits::eStencil &&
!DecodePackedStencilClear(packed_clear, stencil_clear))) {
return false;
}
}
if (image.IsBufferModified() || image.IsCpuDirty()) {
ImageDesc refresh {.info = image.info, .view_info = {}, .type = UploadBinding(image)};
InitializeImage(selected, refresh);
if (image.info.samples == 1 && (image.IsBufferModified() || image.IsCpuDirty())) {
EXIT("TextureCache: image clear retained guest ownership\n");
}
}
command.EndRendering();
image.Transit(vk::ImageLayout::eTransferDstOptimal, vk::AccessFlagBits2::eTransferWrite, {},
command.Handle());
const vk::ImageSubresourceRange range {aspect, 0, VK_REMAINING_MIP_LEVELS, 0,
image.backing.layers};
if (aspect == vk::ImageAspectFlagBits::eColor) {
command.Handle().clearColorImage(image.backing.image, vk::ImageLayout::eTransferDstOptimal,
&color_clear, 1, &range);
} else {
const vk::ClearDepthStencilValue clear {depth_clear, stencil_clear};
command.Handle().clearDepthStencilImage(
image.backing.image, vk::ImageLayout::eTransferDstOptimal, &clear, 1, &range);
}
CommitGpuWrite(image);
RetainImage(command, selected);
return true;
}
void TextureCache::InvalidateMemory(uint64_t address, uint64_t size) {
if (!GuestRange {address, size}.Valid()) {
EXIT("TextureCache: invalid memory-invalidation range\n");
}
CacheLock lock(*this, m_lock);
InvalidateCpuAliases(address, size);
}
void TextureCache::DownloadDepth(Image& image, Buffer& destination, uint64_t destination_offset) {
const auto& info = image.info;
const auto layers = info.resources.layers;
const auto full_slice_size = info.data.size / layers;
const auto transfer_bytes = DepthAspectTransferBytes(info.pixel_format);
const uint64_t texels_per_slice = static_cast<uint64_t>(info.pitch) * info.extent.height;
EXIT_NOT_IMPLEMENTED(transfer_bytes == 0 || texels_per_slice > UINT32_MAX ||
texels_per_slice > UINT64_MAX / transfer_bytes ||
texels_per_slice > UINT64_MAX / info.bytes_per_block);
const uint64_t transfer_slice = texels_per_slice * transfer_bytes;
const uint64_t guest_slice = texels_per_slice * info.bytes_per_block;
EXIT_NOT_IMPLEMENTED(transfer_slice > UINT64_MAX / layers);
const uint64_t transfer_size = transfer_slice * layers;
EXIT_NOT_IMPLEMENTED(guest_slice > full_slice_size);
std::vector<vk::BufferImageCopy> copies(layers);
for (uint32_t layer = 0; layer < layers; layer++) {
auto& copy = copies[layer];
copy.bufferOffset = full_slice_size * layer;
copy.bufferRowLength = info.pitch;
copy.bufferImageHeight = info.extent.height;
copy.imageSubresource = {vk::ImageAspectFlagBits::eDepth, 0, layer, 1};
copy.imageExtent = {info.extent.width, info.extent.height, 1};
}
if (transfer_bytes == info.bytes_per_block) {
if (!info.IsTiled()) {
for (auto& copy: copies) {
copy.bufferOffset += destination_offset;
}
image.Download(copies, destination.Handle(), destination_offset, info.data.size);
return;
}
TileBlockLayout block {};
EXIT_NOT_IMPLEMENTED(
!TileGetBlockLayout(TileBlockFamily::Depth64KB, info.bytes_per_block, block));
std::vector<GpuTileInfo> tiles;
tiles.reserve(layers);
for (uint32_t layer = 0; layer < layers; layer++) {
const uint64_t offset = full_slice_size * layer;
tiles.push_back({block.family, block.bytes_per_element, offset, full_slice_size, offset,
full_slice_size, 0, info.extent.width, info.extent.height, 1,
info.pitch});
tiles.back().surface_z = layer;
}
m_tiler->TileImage(image, copies, destination.Handle(), destination_offset, info.data.size,
info.data.size, tiles);
return;
}
EXIT_NOT_IMPLEMENTED(info.bytes_per_block != sizeof(uint16_t) ||
transfer_bytes != sizeof(uint32_t));
for (uint32_t layer = 0; layer < layers; layer++) {
copies[layer].bufferOffset = transfer_slice * layer;
}
auto host_linear = m_tiler->GetScratchBuffer(transfer_size);
image.Download(copies, host_linear.buffer, 0, host_linear.size);
const bool tiled = info.IsTiled();
auto guest_linear = tiled ? m_tiler->GetScratchBuffer(info.data.size)
: TileManager::Result {destination.Handle(), destination_offset,
destination.Size() - destination_offset};
m_tiler->ConvertD16(host_linear, guest_linear, TileManager::D16Direction::Demote,
DepthAspectTransferFormat(info.pixel_format) == vk::Format::eD32Sfloat,
{.width = info.extent.width,
.height = info.extent.height,
.layers = layers,
.source_row_stride = static_cast<uint64_t>(info.pitch) * sizeof(uint32_t),
.target_row_stride = static_cast<uint64_t>(info.pitch) * sizeof(uint16_t),
.source_slice_stride = transfer_slice,
.target_slice_stride = full_slice_size});
if (!tiled) {
return;
}
TileBlockLayout block {};
EXIT_NOT_IMPLEMENTED(
!TileGetBlockLayout(TileBlockFamily::Depth64KB, info.bytes_per_block, block));
std::vector<GpuTileInfo> tiles;
tiles.reserve(layers);
for (uint32_t layer = 0; layer < layers; layer++) {
const uint64_t offset = full_slice_size * layer;
tiles.push_back({block.family, block.bytes_per_element, offset, full_slice_size, offset,
full_slice_size, 0, info.extent.width, info.extent.height, 1, info.pitch});
tiles.back().surface_z = layer;
}
m_tiler->Tile(guest_linear.buffer, guest_linear.offset, info.data.size, destination.Handle(),
destination_offset, info.data.size, tiles);
}
void TextureCache::DownloadImageData(Image& image, Buffer& destination, uint64_t destination_offset,
uint64_t destination_size, DownloadPlan plan) {
if (!plan.valid) {
EXIT("TextureCache: invalid image download plan\n");
}
if (plan.depth) {
if (destination_size != image.info.data.size) {
EXIT("TextureCache: partial depth image download is unsupported\n");
}
DownloadDepth(image, destination, destination_offset);
return;
}
auto& color = plan.color;
const auto transform = color.swap_bgra16 ? TileManager::ColorTransform::SwapBgra16
: TileManager::ColorTransform::None;
if (!color.tiled) {
if (transform == TileManager::ColorTransform::SwapBgra16) {
auto linear = m_tiler->GetScratchBuffer(destination_size);
image.Download(color.regions, linear.buffer, 0, linear.size);
m_tiler->SwapBgra16(linear,
{destination.Handle(), destination_offset, destination_size});
return;
}
for (auto& copy: color.regions) {
copy.bufferOffset += destination_offset;
}
image.Download(color.regions, destination.Handle(), destination_offset, destination_size);
return;
}
m_tiler->TileImage(image, color.regions, destination.Handle(), destination_offset,
destination_size, color.linear_size, color.tiles, transform);
}
bool BufferCache::SynchronizeBufferFromImage(Buffer& buffer, uint64_t vaddr, uint64_t size) {
CacheLock lock(m_texture_cache, m_texture_cache.m_lock);
std::vector<ImageId> matches;
for (const auto id: m_texture_cache.FindImagesInRegion(vaddr, size, false)) {
auto owner = m_texture_cache.ResolveOwner(id);
if (owner == nullptr || owner->info.data.address != vaddr) {
continue;
}
if (owner->depth_id) {
owner = m_texture_cache.ResolveOwner(owner->depth_id);
}
if (owner != nullptr && owner->SafeToDownload()) {
matches.push_back(id);
}
}
ImageId selected {};
if (matches.size() == 1) {
selected = matches.front();
} else {
for (const auto id: matches) {
const auto& image = m_texture_cache.ResolveImage(id);
if (image.info.data.size == size) {
selected = id;
break;
}
}
}
if (!selected) {
return false;
}
if (const auto owner = m_texture_cache.ResolveOwner(selected);
owner != nullptr && owner->depth_id) {
selected = owner->depth_id;
}
auto& image = m_texture_cache.ResolveImage(selected);
if (!buffer.IsInBounds(image.info.data.address, 1)) {
return false;
}
const auto buf_offset = buffer.Offset(image.info.data.address);
const auto available = buffer.Size() - buf_offset;
uint32_t levels = 0;
uint64_t copy_size = 0;
if (image.info.IsVolume()) {
// Volume mips contain strided block slices, so a mip's linear span cannot prove that
// every retained slice fits. Keep volume synchronization whole-image only.
if (!buffer.IsInBounds(image.info.data.address, image.info.data.size)) {
return false;
}
levels = image.info.resources.levels;
copy_size = image.info.data.size;
} else {
for (; levels < image.info.resources.levels; ++levels) {
const auto& mip = image.info.mip_layout[levels];
if (mip.size == 0 || mip.offset > available || mip.size > available - mip.offset) {
break;
}
copy_size = std::max(copy_size, mip.offset + mip.size);
}
}
if (copy_size == 0) {
return false;
}
auto plan = m_texture_cache.BuildDownload(image);
if (!plan.valid) {
return false;
}
if (plan.depth && copy_size != image.info.data.size) {
return false;
}
if (!plan.depth && levels < image.info.resources.levels) {
auto& color = plan.color;
std::erase_if(color.regions, [levels](const vk::BufferImageCopy& region) {
return region.imageSubresource.mipLevel >= levels;
});
if (color.regions.empty()) {
return false;
}
if (color.tiled) {
const auto binding = m_texture_cache.UploadBinding(image);
const auto format =
binding == TextureCache::BindingType::RenderTarget
? ImageOps::RenderTargetTransferFormat(image.info.bytes_per_block)
: image.info.guest_format;
color.tiles.clear();
if (!TextureBuildGpuTileInfos(copy_size, color.regions, color.layout, format,
image.info.TransferLayers(), levels, color.tiles)) {
return false;
}
color.linear_size = GetLinearSize(color.tiles);
}
}
m_texture_cache.DownloadImageData(image, buffer, buf_offset, copy_size, std::move(plan));
m_texture_cache.RetainImage(m_scheduler.Current(), selected);
return true;
}
std::pair<uint8_t*, uint64_t> TextureCache::MapDownload(uint64_t size, uint64_t alignment) {
if (size == 0) {
EXIT("TextureCache: cannot map an empty image download\n");
}
auto& download = m_buffer_cache.GetUtilityBuffer(MemoryUsage::Download);
auto mapping = download.Map(size, std::max<uint64_t>(alignment, 4));
if (mapping.first == nullptr) {
EXIT("TextureCache: failed to map reusable download buffer\n");
}
download.Commit();
return mapping;
}
void TextureCache::QueueDownload(GuestRange range, StreamBuffer& download, uint8_t* mapped,
uint64_t offset) {
vk::BufferMemoryBarrier barrier {};
barrier.sType = vk::StructureType::eBufferMemoryBarrier;
barrier.srcAccessMask = vk::AccessFlagBits::eMemoryWrite | vk::AccessFlagBits::eTransferWrite |
vk::AccessFlagBits::eShaderWrite;
barrier.dstAccessMask = vk::AccessFlagBits::eHostRead;
barrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
barrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
barrier.buffer = download.Handle();
barrier.offset = offset;
barrier.size = range.size;
m_scheduler.EndRendering();
m_scheduler.Current().Handle().pipelineBarrier(vk::PipelineStageFlagBits::eAllCommands,
vk::PipelineStageFlagBits::eHost, {}, 0, nullptr,
1, &barrier, 0, nullptr);
m_scheduler.DeferPriorityOperation([&download, range, mapped, offset] {
download.Invalidate(offset, range.size);
LibKernel::Memory::WriteBacking(range.address, mapped, range.size);
});
}
bool TextureCache::TryDownloadImage(ImageId id) {
auto& image = ResolveImage(id);
if (image.depth_id) {
return false;
}
auto plan = BuildDownload(image);
if (!plan.valid || !SafeToDownload(image)) {
return false;
}
const auto range = image.info.data;
auto [mapped, offset] = MapDownload(range.size, image.info.bytes_per_block);
auto& download = m_buffer_cache.GetUtilityBuffer(MemoryUsage::Download);
if (!LibKernel::Memory::TryReadBacking(range.address, mapped, range.size)) {
return false;
}
download.Flush(offset, range.size);
DownloadImageData(image, download, offset, range.size, std::move(plan));
QueueDownload(range, download, mapped, offset);
return true;
}
void TextureCache::DownloadImage(ImageId id) {
if (!TryDownloadImage(id)) {
EXIT("TextureCache: unsupported image readback\n");
}
m_scheduler.FinishCurrent();
m_scheduler.DrainPriorityOperations();
}
bool TextureCache::InvalidateMemoryFromGPU(uint64_t address, uint64_t size,
bool formatted_buffer_write) {
if (!GuestRange {address, size}.Valid()) {
return false;
}
CacheLock lock(*this, m_lock);
bool found = false;
for (const auto id: FindImagesInRegion(address, size, true)) {
auto owner = ResolveOwner(id);
if (owner == nullptr || owner->depth_id || !owner->Overlaps(address, size)) {
continue;
}
if (owner->IsGpuModified()) {
if (!formatted_buffer_write) {
EXIT("TextureCache: buffer write aliases GPU-modified image\n");
}
ClearGpuModified(id);
}
owner->MarkBufferModified();
found = true;
}
return found;
}
TextureCache::RegionInfo TextureCache::QueryRegion(uint64_t address, uint64_t size) {
RegionInfo result {};
if (!GuestRange {address, size}.Valid()) {
return result;
}
CacheLock lock(*this, m_lock);
for (const auto id: FindImagesInRegion(address, size, true)) {
auto owner = ResolveOwner(id);
if (owner == nullptr || owner->depth_id || !owner->Overlaps(address, size, true)) {
continue;
}
result.image_pages = true;
result.image_bytes |= owner->Overlaps(address, size);
result.gpu_image_bytes |= owner->GpuOverlaps(address, size);
}
return result;
}
void TextureCache::InvalidateCpuAliases(uint64_t address, uint64_t size) {
const auto page_begin = address & ~(TRACKER_PAGE_SIZE - 1);
const auto page_end = (address + size + TRACKER_PAGE_SIZE - 1) & ~(TRACKER_PAGE_SIZE - 1);
for (const auto id: FindImagesInRegion(address, size, true)) {
auto owner = ResolveOwner(id);
if (owner == nullptr || owner->depth_id) {
continue;
}
if (owner->Overlaps(address, size)) {
owner->InvalidateCpuWrite(address, size);
UntrackImage(id);
continue;
}
const auto image_begin = owner->info.data.address;
const auto image_end = owner->info.data.End();
if (page_end < image_end) {
UntrackImageHead(id);
} else if (image_begin < page_begin) {
UntrackImageTail(id);
} else {
owner->MarkMaybeCpuDirty();
if (owner->NeedsMaybeCpuHash()) {
owner->SetMaybeCpuHash(owner->HashGuestEdges());
}
UntrackImage(id);
}
}
}
void TextureCache::ClearGpuModified(ImageId id) {
auto owner = ResolveOwner(id);
if (owner == nullptr || !owner->IsGpuModified()) {
return;
}
owner->ClearGpuModified();
}
bool TextureCache::IsMeta(uint64_t address) {
CacheLock lock(*this, m_lock);
return m_surface_metas.contains(address);
}
bool TextureCache::IsMetaCleared(uint64_t address, uint32_t slice) {
CacheLock lock(*this, m_lock);
const auto found = m_surface_metas.find(address);
if (found == m_surface_metas.end()) {
return false;
}
return (found->second.clear_mask & (1u << slice)) != 0;
}
bool TextureCache::ClearMeta(uint64_t address) {
std::lock_guard transaction(m_resource_mutex);
CacheLock lock(*this, m_lock);
const auto found = m_surface_metas.find(address);
if (found == m_surface_metas.end()) {
return false;
}
found->second.clear_mask = UINT32_MAX;
return true;
}
bool TextureCache::TouchMeta(uint64_t address, uint32_t slice, bool is_clear) {
CacheLock lock(*this, m_lock);
const auto found = m_surface_metas.find(address);
if (found == m_surface_metas.end()) {
return false;
}
if (is_clear) {
found->second.clear_mask |= 1u << slice;
} else {
found->second.clear_mask &= ~(1u << slice);
}
return true;
}
void TextureCache::UnmapMemory(uint64_t address, uint64_t size) {
if (!GuestRange {address, size}.Valid()) {
EXIT("TextureCache: invalid unmap range\n");
}
std::lock_guard transaction(m_resource_mutex);
CacheLock lock(*this, m_lock);
auto images = FindImagesInRegion(address, size, false);
if (!images.empty()) {
m_scheduler.Finish();
}
for (const auto id: images) {
auto owner = ResolveOwner(id);
if (owner == nullptr) {
continue;
}
if (owner->IsGpuModified()) {
ClearGpuModified(id);
}
DeleteImage(id);
}
}
void TextureCache::RunGarbageCollector() {
std::lock_guard transaction(m_resource_mutex);
CacheLock lock(*this, m_lock);
const uint64_t tick = m_gc_tick++;
if (m_graphics.CanReportMemoryUsage()) {
m_total_used_memory = m_graphics.GetDeviceMemoryUsage();
}
if (m_total_used_memory < m_trigger_gc_memory) {
return;
}
const auto collect = [&](bool allow_aggressive) {
bool pressured = m_total_used_memory >= m_pressure_gc_memory;
bool aggressive = allow_aggressive && m_total_used_memory >= m_critical_gc_memory;
const uint64_t age = std::min<uint64_t>(aggressive ? 160 : pressured ? 80 : 16, tick);
size_t deletions = aggressive ? 40 : pressured ? 20 : 10;
std::vector<ImageId> candidates;
candidates.reserve(deletions);
// Deleting depth recursively deletes its stencil association, so finish LRU traversal
// first.
m_lru_cache.ForEachItemBelow(tick - age, [&](ImageId id) {
candidates.push_back(id);
return candidates.size() == deletions;
});
for (const auto id: candidates) {
if (deletions == 0) {
break;
}
--deletions;
auto owner = ResolveOwner(id);
if (owner == nullptr || !owner->registered || owner->depth_id) {
continue;
}
if (owner->IsGpuModified()) {
const bool safe = SafeToDownload(*owner);
if (safe && owner->info.IsTiled()) {
continue;
}
if (safe && !pressured) {
continue;
}
if (safe && !TryDownloadImage(id)) {
continue;
}
ClearGpuModified(id);
}
DeleteImage(id);
if (m_total_used_memory < m_critical_gc_memory && aggressive) {
deletions >>= 2;
aggressive = false;
}
if (m_total_used_memory < m_pressure_gc_memory && pressured) {
deletions >>= 1;
pressured = false;
}
}
};
collect(false);
if (m_total_used_memory >= m_critical_gc_memory) {
collect(true);
}
}
void TextureCache::ProcessDownloadImages() {
std::lock_guard transaction(m_resource_mutex);
CacheLock lock(*this, m_lock);
for (const auto id: m_download_images) {
const auto owner = ResolveOwner(id);
if (owner != nullptr && owner->registered && owner->IsGpuModified()) {
(void)TryDownloadImage(id);
}
}
m_download_images.clear();
}
} // namespace Libs::Graphics
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