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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/alignment.h"
#include "common/assert.h"
#include "common/debugCounters.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/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 <span>
#include <tuple>
#include <utility>
#include <vulkan/vulkan_format_traits.hpp>
namespace Libs::Graphics {
namespace {
constexpr uint64_t NumFramesBeforeRemoval = 32;
[[nodiscard]] bool DecodeColorClear(const TextureCache::ImageDesc& desc, uint8_t code,
vk::ClearColorValue& clear) {
const auto& metadata = desc.info.metadata;
const auto format = desc.info.IsDepth()
? TextureGetSurfaceFormatInfo(desc.info.guest_format).vk_format
: desc.view_info.format;
const bool cmask = metadata.kind == ImageMetadataKind::Cmask;
if (cmask ? code == 0 : code == 0x20) {
// Register clears belong to the color buffer; the texture pipe cannot decode them.
return desc.type == TextureCache::BindingType::RenderTarget &&
metadata.clear_register_valid &&
DecodePackedColorClear(format, metadata.clear_word, clear);
}
if (cmask) {
return false;
}
switch (code) {
case 0x00:
case 0x40:
case 0x80:
case 0xc0: break;
default: return false;
}
clear = {};
if (code == 0x00) {
return true;
}
switch (format) {
case vk::Format::eR8Unorm:
case vk::Format::eR8G8Unorm:
case vk::Format::eR8G8B8A8Unorm:
case vk::Format::eR8G8B8A8Srgb:
case vk::Format::eB8G8R8A8Unorm:
case vk::Format::eB8G8R8A8Srgb:
case vk::Format::eA2B10G10R10UnormPack32:
case vk::Format::eA2R10G10B10UnormPack32:
case vk::Format::eR5G6B5UnormPack16:
case vk::Format::eA1R5G5B5UnormPack16:
case vk::Format::eR4G4B4A4UnormPack16:
case vk::Format::eR16Unorm:
case vk::Format::eR16G16Unorm:
case vk::Format::eR16G16B16A16Unorm:
case vk::Format::eR16Sfloat:
case vk::Format::eR16G16Sfloat:
case vk::Format::eR16G16B16A16Sfloat:
case vk::Format::eR32Sfloat:
case vk::Format::eR32G32Sfloat:
case vk::Format::eR32G32B32A32Sfloat:
case vk::Format::eB10G11R11UfloatPack32: break;
default: return false;
}
const float rgb = (code & 0x80u) != 0 ? 1.0f : 0.0f;
const float alpha = (code & 0x40u) != 0 ? 1.0f : 0.0f;
std::array<float, 4> channels {rgb, rgb, rgb, alpha};
if (!metadata.dcc_alpha_msb) {
std::swap(channels[0], channels[3]);
}
// DCC clear decoding clamps missing lanes before applying the format swizzle.
const auto components = vk::componentCount(format);
if (components == 1) {
channels[0] = channels[3];
} else if (components == 2) {
channels[1] = channels[3];
}
switch (format) {
case vk::Format::eB8G8R8A8Unorm:
case vk::Format::eB8G8R8A8Srgb:
case vk::Format::eA2R10G10B10UnormPack32:
case vk::Format::eA1R5G5B5UnormPack16:
case vk::Format::eR5G6B5UnormPack16: std::swap(channels[0], channels[2]); break;
case vk::Format::eR4G4B4A4UnormPack16:
std::reverse(channels.begin(), channels.end());
break;
default: break;
}
clear.float32 = channels;
return true;
}
} // namespace
TextureCache::TextureCache(GraphicContext& graphics, CommandScheduler& scheduler,
PageManager& page_manager, BufferCache& buffer_cache)
: m_graphics(graphics), m_scheduler(scheduler), m_page_manager(page_manager),
m_blit_helper(graphics, scheduler),
m_tiler(graphics, scheduler, buffer_cache.GetUtilityBuffer(MemoryUsage::Stream)),
m_buffer_cache(buffer_cache),
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() {
m_slot_images.ForEach([&](ImageId id, const Image& image) {
if (image.registered) {
UnregisterImage(id);
}
});
}
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.resources.levels < requested.resources.levels ||
cached.resources.layers < requested.resources.layers) {
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 (cached.GetColorTransform() != requested.GetColorTransform()) {
return false;
}
if (!ImageViewOps::FormatsCompatible(cached.pixel_format, requested.pixel_format) ||
cached.type != requested.type) {
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()) {
if (image.info.tile_mode == Prospero::TileMode::kDepth ||
image.info.tile_mode == Prospero::TileMode::kLinear) {
return BindingType::DepthTarget;
}
return BindingType::Texture;
}
if (image.usage.render_target) {
return BindingType::RenderTarget;
}
if (image.usage.video_out) {
return BindingType::VideoOut;
}
return image.usage.storage ? BindingType::Storage : BindingType::Texture;
}
ImageId TextureCache::InsertImage(const ImageInfo& info) {
const auto id = m_slot_images.insert(m_graphics, m_scheduler, info);
RegisterImage(id);
return id;
}
void TextureCache::RegisterImage(ImageId id) {
auto& image = m_slot_images[id];
if (image.registered || image.info.data.Empty()) {
EXIT("TextureCache: invalid image registration\n");
}
ImagePageTable::PageRange pages {};
if (!ImagePageTable::TryGetPageRange(image.info.data.address, image.info.data.size, pages)) {
EXIT("TextureCache: image registration is outside the guest address space\n");
}
ForEachPage(image.info.data.address, image.info.data.size, [this, id](uint64_t page) {
m_image_page_table[page].push_back(id);
});
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 = m_slot_images[id];
if (!image.registered) {
return;
}
UntrackImage(id);
ImagePageTable::PageRange pages {};
if (!ImagePageTable::TryGetPageRange(image.info.data.address, image.info.data.size, pages)) {
EXIT("TextureCache: registered image is outside the guest address space\n");
}
ForEachPage(image.info.data.address, image.info.data.size, [this, id](uint64_t page) {
auto* owners = m_image_page_table.Find(page);
if (owners == nullptr || !owners->Erase(id)) {
EXIT("TextureCache: image missing from page 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* image = m_slot_images.try_get(id);
if (image == nullptr || !image->registered) {
return;
}
if (image->depth_id) {
std::erase(m_slot_images[image->depth_id].stencil_ids, id);
} else {
// Detach first: deleting each association also unlinks it from its depth owner.
for (const auto association: std::exchange(image->stencil_ids, {})) {
FreeImage(association);
}
}
if (image->IsGpuModified()) {
EXIT("TextureCache: deleting a GPU-modified image without resolving its contents\n");
}
m_download_images.erase(id);
UnregisterImage(id);
if (m_scheduler.Active()) {
m_scheduler.DeferOperation([this, id] { m_slot_images.erase(id); });
} else {
m_slot_images.erase(id);
}
}
void TextureCache::FreeImage(ImageId id) {
auto& image = m_slot_images[id];
if (image.IsGpuModified()) {
image.ClearGpuModified();
}
DeleteImage(id);
}
void TextureCache::TouchImage(Image& image) {
if (image.registered) {
m_lru_cache.Touch(image.lru_id, m_gc_tick);
}
}
void TextureCache::MarkAsMaybeDirty(ImageId id, Image& image) {
image.MarkMaybeCpuDirty();
UntrackImage(id);
}
void TextureCache::TrackImage(ImageId id) {
auto& image = m_slot_images[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 = m_slot_images[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 = m_slot_images[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 = m_slot_images[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 = m_slot_images[id];
const auto begin = image.info.data.address;
if (!image.IsTracked() || begin < image.track_addr) {
return;
}
const auto address = Common::AlignDown(begin + TRACKER_PAGE_SIZE, TRACKER_PAGE_SIZE);
const auto size = address - begin;
image.track_addr = address;
if (image.track_addr == image.track_addr_end) {
MarkAsMaybeDirty(id, image);
}
if (size != 0) {
m_page_manager.UpdatePageWatchers<false>(begin, size);
}
}
void TextureCache::UntrackImageTail(ImageId id) {
auto& image = m_slot_images[id];
const auto end = image.info.data.End();
if (!image.IsTracked() || image.track_addr_end < end) {
return;
}
const auto address = Common::AlignDown(end, TRACKER_PAGE_SIZE);
const auto size = end - address;
image.track_addr_end = address;
if (image.track_addr == image.track_addr_end) {
MarkAsMaybeDirty(id, image);
}
if (size != 0) {
m_page_manager.UpdatePageWatchers<false>(address, size);
}
}
void TextureCache::TrackImageDownload(ImageId id, Image& image) {
if (m_readback_linear_images && !image.info.IsTiled()) {
if (!image.IsGpuModified()) {
EXIT("TextureCache: cannot enroll a non-GPU-owned image for download\n");
}
m_download_images.insert(id);
}
}
TextureCache::ImageIds TextureCache::FindImagesInRegion(uint64_t address, uint64_t size,
bool page_overlap) const {
ImagePageTable::PageRange pages {};
if (!ImagePageTable::TryGetPageRange(address, size, pages)) {
return {};
}
uint32_t query_epoch = ++m_image_query_epoch;
if (query_epoch == 0) {
m_slot_images.ForEach([](ImageId, const Image& image) { image.query_epoch = 0; });
query_epoch = ++m_image_query_epoch;
}
ImageIds result;
ForEachPage(address, size, [&](uint64_t page) {
const auto* owners = m_image_page_table.Find(page);
if (owners == nullptr) {
return;
}
owners->ForEach([&](ImageId id) {
auto* image = m_slot_images.try_get(id);
if (image == nullptr) {
return;
}
if (image->query_epoch == query_epoch) {
return;
}
image->query_epoch = query_epoch;
if (image->Overlaps(address, size, page_overlap)) {
result.push_back(id);
}
});
});
return result;
}
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 = m_slot_images[id];
RefreshImage(id);
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;
const std::array depth_copies {
vk::BufferImageCopy {0,
depth.info.pitch,
depth.info.extent.height,
{vk::ImageAspectFlagBits::eDepth, 0, 0, layers},
{},
depth.info.extent}};
const std::array color_copies {
vk::BufferImageCopy {0,
color.info.pitch,
color.info.extent.height,
{vk::ImageAspectFlagBits::eColor, 0, 0, layers},
{},
color.info.extent}};
auto depth_buffer = m_tiler.GetScratchBuffer(depth_size);
auto color_buffer = m_tiler.GetScratchBuffer(color_size, depth_buffer.buffer);
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 = m_slot_images[destination_id];
auto& source = m_slot_images[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.info.GetColorTransform() == destination.info.GetColorTransform() &&
(source.backing.image_type == destination.backing.image_type ||
(source.backing.image_type != vk::ImageType::e1D &&
destination.backing.image_type != vk::ImageType::e1D)) &&
(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, m_tiler);
}
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);
if (m_slot_images[destination_id].IsBufferModified()) {
RefreshImage(destination_id);
}
auto& destination = m_slot_images[destination_id];
auto& source = m_slot_images[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);
if (source.IsGpuModified()) {
destination.MarkGpuModified();
}
}
ImageId TextureCache::ResolveDepthOverlap(const ImageInfo& requested, BindingType binding,
ImageId cached_id) {
auto& cached = m_slot_images[cached_id];
if ((!cached.info.IsDepth() && !requested.IsDepth()) ||
cached.info.tile_mode != requested.tile_mode) {
return {};
}
const bool stencil_match = requested.HasStencil() == cached.info.HasStencil();
const bool bpp_match = requested.bytes_per_block == cached.info.bytes_per_block;
// PPSA04264
const bool raw_d16_texture =
binding == BindingType::Texture && cached.info.IsDepth() &&
cached.info.guest_format == Prospero::BufferFormat::k16UNorm &&
requested.guest_format == Prospero::BufferFormat::k16UInt &&
requested.pixel_format == vk::Format::eR16Uint && cached.backing.samples == 1 &&
requested.samples == 1 && requested.data == cached.info.data &&
requested.extent == cached.info.extent && requested.resources == cached.info.resources &&
requested.type == cached.info.type && requested.pitch == cached.info.pitch &&
!requested.HasStencil() && !cached.info.HasStencil() && !requested.HasMetadata() &&
!cached.info.HasMetadata();
// PPSA04264, PPSA04288
// A partial view retains the entire matching array layout. HTile belongs to
// the depth source, independently of the data slices copied into color storage.
const bool retain_cached_layout =
requested.samples == 1 && cached.info.samples == 1 && cached.backing.samples == 1 &&
requested.bytes_per_block == cached.info.bytes_per_block &&
requested.data.address == cached.info.data.address &&
requested.data.size < cached.info.data.size && requested.extent == cached.info.extent &&
requested.resources.levels == 1 && cached.info.resources.levels == 1 &&
requested.resources.layers != 0 && cached.info.resources.layers != 0 &&
requested.resources.layers < cached.info.resources.layers &&
requested.type == cached.info.type && requested.pitch == cached.info.pitch &&
requested.mip_layout[0].offset == 0 &&
cached.info.mip_layout[0].offset == 0 &&
requested.mip_layout[0].size == requested.data.size &&
cached.info.mip_layout[0].size == cached.info.data.size &&
requested.data.size % requested.resources.layers == 0 &&
cached.info.data.size % cached.info.resources.layers == 0 &&
requested.data.size / requested.resources.layers ==
cached.info.data.size / cached.info.resources.layers &&
!requested.HasStencil() && !cached.info.HasStencil() && !requested.HasMetadata() &&
(cached.info.metadata.kind == ImageMetadataKind::None ||
cached.info.metadata.kind == ImageMetadataKind::Htile);
bool recreate = cached.info.resources < requested.resources ||
requested.IsVolume() != cached.info.IsVolume();
switch (binding) {
case BindingType::Texture:
recreate |= requested.IsDepth() && !cached.info.IsDepth();
recreate |= raw_d16_texture;
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);
auto info = requested;
if (retain_cached_layout) {
info.data = cached.info.data;
info.resources = cached.info.resources;
info.mip_layout = cached.info.mip_layout;
info.tiling = cached.info.tiling;
info.tiled_slice_stride = cached.info.tiled_slice_stride;
info.linear_slice_stride = cached.info.linear_slice_stride;
info.first_tail_level = cached.info.first_tail_level;
}
info.htile_initial_clear = false;
const auto replacement_id = InsertImage(info);
auto& replacement = m_slot_images[replacement_id];
replacement.usage = cached.usage;
if (cached.binding.is_bound || cached.binding.is_target) {
cached.binding.needs_rebind = true;
}
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);
} 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);
CommitGpuWrite(replacement);
} else {
LOGF_COLOR(Log::Color::BrightYellow,
"TextureCache: unsupported unequal-sample depth overlap copy (%u -> %u)\n",
cached.backing.samples, replacement.backing.samples);
}
if (info.IsDepth() && info.metadata.kind == ImageMetadataKind::Htile) {
// Copied depth supersedes pending clears from the previous native image.
const auto metadata = m_surface_metas.find(info.metadata.range.address);
if (metadata != m_surface_metas.end()) {
metadata->second.clear_mask.reset();
}
}
FreeImage(cached_id);
return replacement_id;
}
namespace BcAlias {
bool Matches(const ImageInfo& requested, const ImageInfo& cached) {
return requested.guest_format != cached.guest_format &&
requested.IsBlock() != cached.IsBlock() &&
requested.tile_mode == cached.tile_mode &&
requested.bytes_per_block == cached.bytes_per_block &&
requested.samples == 1 && cached.samples == 1 &&
(requested.data != cached.data || requested.resources != cached.resources ||
requested.BlockExtent() != cached.BlockExtent()) &&
!TextureCache::SameBacking(cached, requested, false);
}
bool Publish(TextureCache& cache, Image& image) {
if (!cache.CanDownload(image)) {
return false;
}
// ObtainBuffer preserves padding and records ownership before the GPU-only transfer.
auto [buffer, offset] =
cache.m_buffer_cache.ObtainBuffer(image.info.data.address, image.info.data.size, true);
cache.DownloadImage(image, *buffer, offset, image.info.data.size, image.info.resources.levels);
image.ClearGpuModified();
image.MarkBufferModified();
return true;
}
void Resolve(TextureCache& cache, ImageId cached_id, ImageId merged_id) {
auto& cached = cache.m_slot_images[cached_id];
auto* merged = merged_id ? &cache.m_slot_images[merged_id] : nullptr;
// PS5 raw block images can span several packed BC mips. Transfer their complete
// guest bytes, including tail padding, before retiring the incompatible backing.
if (cached.SafeToDownload()) {
if (merged && merged->SafeToDownload() && !Publish(cache, *merged)) {
return;
}
if (!Publish(cache, cached)) {
return;
}
if (merged) {
merged->MarkBufferModified();
}
}
cached.binding.needs_rebind |= cached.binding.is_bound || cached.binding.is_target;
cache.FreeImage(cached_id);
}
} // namespace BcAlias
TextureCache::OverlapResult TextureCache::ResolveOverlap(const ImageInfo& requested,
BindingType binding, ImageId cached_id,
ImageId merged_id) {
auto owner = m_slot_images.try_get(cached_id);
if (owner == nullptr || !owner->registered) {
return {merged_id};
}
if (BcAlias::Matches(requested, owner->info) && !owner->IsCpuDirty()) {
BcAlias::Resolve(*this, cached_id, merged_id);
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;
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.data.address == cached.info.data.address &&
requested.BlockExtent() == cached.info.BlockExtent() && requested_block == cached_block) {
if (const auto depth_id = ResolveDepthOverlap(requested, binding, cached_id)) {
return {depth_id};
}
// Equal pitch does not imply equal mip placement: a changed extent can move
// a level into or out of the mip tail. These are separate guest layouts.
if (requested.tile_mode != cached.info.tile_mode ||
(requested.resources == cached.info.resources &&
!std::equal(requested.mip_layout.begin(), requested.mip_layout.end(),
cached.info.mip_layout.begin(),
[](const ImageMipInfo& left, const ImageMipInfo& right) {
return left.offset == right.offset && left.size == right.size &&
left.pitch == right.pitch && left.height == right.height &&
left.tail_x == right.tail_x && left.tail_y == right.tail_y &&
left.surface_z == right.surface_z;
}))) {
if (safe_to_delete) {
FreeImage(cached_id);
}
return {merged_id};
}
if (requested.GetColorTransform() != cached.info.GetColorTransform()) {
return {ExpandImage(requested, cached_id)};
}
if (requested.IsBlock() && !cached.info.IsBlock()) {
return {ExpandImage(requested, cached_id)};
}
// Volume depth is not an array-layer count. A larger depth can retain the
// same block-slice layout while requiring a larger native image.
if ((requested.IsVolume() || cached.info.IsVolume()) &&
(requested.data.size == cached.info.data.size ||
(requested.type == cached.info.type && requested.resources == cached.info.resources &&
requested.extent.width == cached.info.extent.width &&
requested.extent.height == cached.info.extent.height &&
requested.extent.depth > cached.info.extent.depth))) {
return {ExpandImage(requested, cached_id)};
}
// PPSA08394
// A view cannot change the native image type or grow its extent.
if (requested.data.size == cached.info.data.size &&
requested.resources == cached.info.resources &&
ImageViewOps::FormatsCompatible(cached.info.pixel_format, requested.pixel_format) &&
(requested.type != cached.info.type
? requested.extent == cached.info.extent
: requested.extent.width > cached.info.extent.width &&
requested.extent.height >= cached.info.extent.height &&
requested.extent.depth >= cached.info.extent.depth)) {
return {ExpandImage(requested, cached_id)};
}
// PS5 mip tails can expose more levels without increasing the guest allocation.
if (requested.pixel_format == cached.info.pixel_format &&
requested.type == cached.info.type && requested.resources > cached.info.resources &&
(requested.data.size > cached.info.data.size ||
(requested.data.size == cached.info.data.size &&
requested.extent == cached.info.extent &&
cached.info.resources.levels > 1 &&
requested.resources.layers == cached.info.resources.layers))) {
return {ExpandImage(requested, cached_id)};
}
if (requested.type != cached.info.type) {
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 = m_slot_images.try_get(result_id);
return {result != nullptr && ImageViewOps::FormatsCompatible(result->info.pixel_format,
requested.pixel_format)
? result_id
: ImageId {}};
}
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), static_cast<uint32_t>(requested.tile_mode),
static_cast<uint32_t>(cached.info.tile_mode));
}
const int32_t requested_mip = requested.MipOf(cached.info);
if (requested_mip >= 0) {
const int32_t layer = requested.SliceOf(cached.info, requested_mip);
return {cached_id, requested_mip, layer};
}
const int32_t mip = cached.info.MipOf(requested);
if (mip >= 0) {
const int32_t layer = cached.info.SliceOf(requested, mip);
if (!merged_id) {
return {ExpandImage(requested, cached_id)};
}
cached.binding.needs_rebind |= cached.binding.is_bound || cached.binding.is_target;
m_slot_images[merged_id].binding.is_target |= cached.binding.is_target;
CopyImageMip(merged_id, cached_id, static_cast<uint32_t>(mip),
static_cast<uint32_t>(layer));
FreeImage(cached_id);
return {merged_id};
}
if (requested.data.address >= cached.info.data.address && safe_to_delete) {
FreeImage(cached_id);
}
return {merged_id};
}
ImageId TextureCache::ExpandImage(const ImageInfo& info, ImageId source_id) {
RefreshCopySource(source_id);
const auto expanded_id = InsertImage(info);
auto& source = m_slot_images[source_id];
if (source.binding.is_bound || source.binding.is_target) {
source.binding.needs_rebind = true;
}
InitializeImage(expanded_id);
const int32_t mip = source.info.MipOf(info);
const int32_t layer = source.info.SliceOf(info, mip);
if (layer >= 0) {
CopyImageMip(expanded_id, source_id, static_cast<uint32_t>(mip),
static_cast<uint32_t>(layer));
} else {
CopyImage(expanded_id, source_id);
}
FreeImage(source_id);
return expanded_id;
}
bool TextureCache::CanDownload(const Image& image) const {
const auto& info = image.info;
if (info.samples != 1 || image.backing.samples != 1 || info.resources.layers == 0 ||
info.data.size % info.resources.layers != 0) {
return false;
}
if (UploadBinding(image) == BindingType::DepthTarget) {
return IsSupportedDepthPlaneReadback(info) &&
Prospero::NumBytesPerElement(info.guest_format) == info.bytes_per_block;
}
return info.metadata.compression == VideoOutCompression::Uncompressed &&
(!info.IsTiled() || !Prospero::IsFmaskTextureFormat(info.guest_format)) &&
info.LinearSize() != 0;
}
void TextureCache::UploadImage(Image& image, Buffer& source, uint64_t source_offset) {
auto& destination = image.depth_id ? m_slot_images[image.depth_id] : image;
const auto& info = image.info;
const auto binding = image.depth_id ? BindingType::DepthTarget : UploadBinding(image);
if (binding != BindingType::DepthTarget) {
if ((binding == BindingType::RenderTarget || binding == BindingType::VideoOut) &&
(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");
}
if (binding == BindingType::VideoOut &&
info.metadata.compression != VideoOutCompression::Uncompressed) {
EXIT("TextureCache: invalid video-out upload\n");
}
const auto linear = m_tiler.Detile(source.Handle(), source_offset, info);
const auto copies = info.BufferCopies(linear.offset);
destination.Upload(copies, linear.buffer, linear.offset, linear.size);
Common::DebugCounters::Add(Common::DebugCounters::Counter::TextureUploadBytes, linear.size);
return;
}
if (info.samples != 1 || destination.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");
}
const auto layers = info.resources.layers;
const auto full_slice_size = info.linear_slice_stride;
auto linear = m_tiler.Detile(source.Handle(), source_offset, info);
auto copies = info.BufferCopies(linear.offset);
if (image.depth_id) {
for (auto& copy: copies) {
copy.imageSubresource.baseArrayLayer += image.stencil_subresources.base_layer;
}
}
const auto transfer_bytes = image.depth_id ? 1u : 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, linear.buffer);
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;
copies.resize(1);
copies[0].bufferOffset = linear.offset;
copies[0].bufferRowLength = info.pitch;
copies[0].bufferImageHeight = info.extent.height;
copies[0].imageSubresource = {vk::ImageAspectFlagBits::eDepth, 0, 0, layers};
copies[0].imageExtent = info.extent;
}
destination.Upload(copies, linear.buffer, linear.offset, linear.size);
Common::DebugCounters::Add(Common::DebugCounters::Counter::TextureUploadBytes, linear.size);
}
void TextureCache::InitializeImage(ImageId id) {
auto& image = m_slot_images[id];
TrackImage(id);
if (image.info.metadata.compression != VideoOutCompression::Uncompressed) {
if (image.IsCpuDirty()) {
image.RefreshComplete();
}
return;
}
if (image.info.samples > 1) {
return;
}
const bool upload = image.IsBufferModified() || image.IsCpuDirty();
if (upload) {
const auto [source, source_offset] =
m_buffer_cache.ObtainBufferForImage(image.info.data.address, image.info.data.size);
if (source == nullptr) {
EXIT("TextureCache: failed to obtain image upload source\n");
}
UploadImage(image, *source, source_offset);
image.ClearBufferModified();
}
if (image.IsCpuDirty()) {
image.RefreshComplete();
}
}
void TextureCache::MaterializeColorClear(ImageId id, const ImageDesc& desc,
uint32_t metadata_base_layer) {
if (desc.info.metadata.kind != ImageMetadataKind::Dcc &&
desc.info.metadata.kind != ImageMetadataKind::Cmask) {
return;
}
const auto range = desc.info.metadata.range;
{
std::scoped_lock lock {m_lock};
auto& image = m_slot_images[id];
image.info.metadata = desc.info.metadata;
// Native color metadata must not retain a reused HTile clear flag.
m_surface_metas.erase(range.address);
if (range.size == 0 || desc.info.resources.levels != 1) {
return;
}
}
const auto layers = desc.info.TransferLayers();
// These one-mip surfaces use complete 4 KiB color metadata blocks.
constexpr uint64_t MetadataBlockSize = 0x1000;
if (!range.Valid() || range.address % MetadataBlockSize != 0 || layers == 0 ||
range.size % layers != 0 || (range.size / layers) % MetadataBlockSize != 0) {
EXIT("TextureCache: color metadata slices must contain aligned 4 KiB blocks\n");
}
const auto& view = desc.view_info;
const bool volume_texture = desc.info.IsVolume() && view.type == vk::ImageViewType::e3D;
const auto first = volume_texture ? 0u : metadata_base_layer;
const auto image_first = volume_texture ? 0u : view.base_layer;
const auto count = volume_texture ? desc.info.extent.depth : view.layer_count;
if (first >= layers || count > layers - first) {
EXIT("TextureCache: color view exceeds its native metadata slices\n");
}
// Finish native metadata writes before reading backing bytes. This can submit the scheduler,
// so discovery runs before final draw uploads and never holds the texture lock across it.
if (m_buffer_cache.IsRegionGpuModified(range.address, range.size)) {
m_buffer_cache.ReadMemory(range.address, range.size, false);
}
const auto slice_size = range.size / layers;
for (uint32_t slice = 0; slice < count; slice++) {
const auto address = range.address + slice_size * (first + slice);
uint8_t code = 0;
if (!LibKernel::Memory::TryReadBacking(address, &code, sizeof(code))) {
EXIT("TextureCache: failed to read color metadata backing\n");
}
vk::ClearValue clear {};
if (!DecodeColorClear(desc, code, clear.color)) {
continue;
}
std::vector<uint8_t> bytes(slice_size);
if (!LibKernel::Memory::TryReadBacking(address, bytes.data(), bytes.size())) {
EXIT("TextureCache: failed to read color metadata slice\n");
}
if (!std::all_of(bytes.begin(), bytes.end(), [code](uint8_t byte) { return byte == code; })) {
continue;
}
{
std::scoped_lock lock {m_lock};
const auto& image = m_slot_images[id];
const bool depth = image.info.IsDepth();
if (depth) {
const auto value = clear.color.float32[0];
clear.depthStencil = {value, 0u};
}
ClearImage(m_scheduler.Current(), id, depth ? image.backing.format : view.format,
{depth ? vk::ImageAspectFlagBits::eDepth : vk::ImageAspectFlagBits::eColor,
view.base_level, view.level_count,
image_first + slice, 1}, clear);
}
// Publish the conversion's expanded keys without treating them as guest writes
// to overlapping image data. Invalidate the buffer before updating its backing.
if (desc.type != BindingType::VideoOut) {
std::fill(bytes.begin(), bytes.end(), uint8_t {0xff});
m_buffer_cache.InvalidateMemory(address, slice_size);
LibKernel::Memory::WriteBacking(address, bytes.data(), bytes.size());
}
}
}
void TextureCache::RefreshImage(ImageId id) {
auto& image = m_slot_images[id];
if (image.depth_id &&
(m_slot_images[image.depth_id].info.metadata.stencil_compressed ||
m_slot_images[image.depth_id].info.samples != 1)) {
return;
}
TrackImage(id);
if (image.IsMaybeCpuDirty()) {
(void)image.ResolveMaybeCpuHash(image.HashGuestEdges());
}
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);
}
ImageId TextureCache::AssociateStencil(ImageId depth_id, GuestRange stencil) {
if (!stencil.Valid()) {
EXIT("TextureCache: invalid stencil association range\n");
}
auto& depth = m_slot_images[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 = m_slot_images.try_get(id);
if (owner != nullptr && owner->info.data == stencil &&
owner->info.extent == depth.info.extent) {
association = id;
}
}
if (!association) {
ImageInfo info {};
info.data = stencil;
info.extent = depth.info.extent;
association = InsertImage(info);
}
auto& record = m_slot_images[association];
TouchImage(record);
if (record.depth_id != depth_id || record.stencil_subresources != depth.stencil_subresources) {
ImageInfo plane {};
plane.data = stencil;
plane.pixel_format = vk::Format::eS8Uint;
plane.guest_format = Prospero::BufferFormat::k8UInt;
plane.type = depth.info.type;
plane.extent = depth.info.extent;
plane.resources = {depth.stencil_subresources.level_count,
depth.stencil_subresources.layer_count};
plane.tile_mode = depth.info.tile_mode;
plane.pitch =
plane.IsTiled() ? TileGetDepthPitch(plane.extent.width, 1, 0) : depth.info.pitch;
plane.bytes_per_block = 1;
plane.UpdateSize();
if (record.depth_id != depth_id) {
if (record.depth_id) {
std::erase(m_slot_images[record.depth_id].stencil_ids, association);
}
depth.stencil_ids.push_back(association);
}
record.info = plane;
record.depth_id = depth_id;
record.stencil_subresources = depth.stencil_subresources;
}
return association;
}
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);
EXIT_IF(desc.info.data.Empty());
const auto metadata_base_layer = desc.view_info.base_layer;
ImageId result {};
{
std::scoped_lock lock {m_lock};
const auto candidates =
FindImagesInRegion(desc.info.data.address, desc.info.data.size, false);
bool block_alias = false;
for (const auto id: candidates) {
const auto& image = m_slot_images[id];
// Stencil descriptors name the associated plane; its depth owner supplies
// the native image and the canonical guest tiling.
if ((desc.type == BindingType::Texture || desc.type == BindingType::Storage) &&
image.depth_id && image.info.data == desc.info.data &&
m_slot_images[image.depth_id].info.samples == desc.info.samples &&
image.info.extent == desc.info.extent && image.info.type == desc.info.type &&
image.info.resources.levels >= desc.info.resources.levels &&
image.info.resources.layers >= desc.info.resources.layers &&
desc.info.bytes_per_block == 1 &&
desc.info.guest_format == Prospero::BufferFormat::k8UInt) {
result = id;
break;
}
if (SameBacking(image.info, desc.info, exact_format)) {
result = id;
} else if (image.SafeToDownload() &&
BcAlias::Matches(desc.info, image.info)) {
block_alias = true;
}
}
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& merged_info = result ? m_slot_images[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;
}
}
} else if (block_alias) {
for (const auto candidate: candidates) {
const auto* owner = m_slot_images.try_get(candidate);
if (candidate != result && owner != nullptr && owner->registered &&
!owner->IsCpuDirty() &&
BcAlias::Matches(m_slot_images[result].info, owner->info)) {
BcAlias::Resolve(*this, candidate, result);
}
}
}
if (result && !m_slot_images[result].depth_id) {
auto& resolved = m_slot_images[result];
if (exact_format && resolved.info.pixel_format != desc.info.pixel_format) {
result = {};
} else if (resolved.info.resources < desc.info.resources) {
FreeImage(result);
result = {};
}
}
if (!result) {
result = InsertImage(desc.info);
auto& inserted = m_slot_images[result];
if (m_buffer_cache.HasGpuDirtyBytes(inserted.info.data.address,
inserted.info.data.size)) {
inserted.MarkBufferModified();
}
}
auto& image = m_slot_images[result];
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);
}
MaterializeColorClear(result, desc, metadata_base_layer);
if (desc.type == BindingType::VideoOut &&
desc.info.metadata.compression != VideoOutCompression::Uncompressed) {
std::scoped_lock lock {m_lock};
const auto& image = m_slot_images[result];
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");
}
}
return result;
}
void TextureCache::UpdateImage(ImageId id) {
std::scoped_lock lock {m_lock};
auto& image = m_slot_images[id];
TouchImage(image);
RefreshImage(id);
}
ImageId TextureCache::FindImageFromRange(uint64_t address, uint64_t size, bool ensure_valid) {
if (!GuestRange {address, size}.Valid()) {
return {};
}
std::scoped_lock lock {m_lock};
ImageIds matches;
for (const auto id: FindImagesInRegion(address, size, false)) {
auto owner = m_slot_images.try_get(id);
if (owner == nullptr || owner->info.data.address != address) {
continue;
}
if (ensure_valid && owner->depth_id) {
owner = m_slot_images.try_get(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 = m_slot_images[id];
if (image.info.data.size == size) {
selected = id;
break;
}
}
}
if (selected && ensure_valid) {
const auto owner = m_slot_images.try_get(selected);
if (owner != nullptr && owner->depth_id) {
selected = owner->depth_id;
}
}
return selected;
}
vk::ImageView TextureCache::FindTexture(ImageId id, const ImageDesc& desc) {
std::scoped_lock lock {m_lock};
auto& image = m_slot_images[id];
TouchImage(image);
if (!image.registered || image.depth_id || image.binding.needs_rebind) {
EXIT("TextureCache: texture requires rediscovery before final acquisition\n");
}
if (desc.type == BindingType::Storage) {
image.MarkGpuModified();
}
RefreshImage(id);
if (image.info.HasStencil() &&
desc.info.data.address >= image.info.stencil.address &&
desc.info.data.End() <= image.info.stencil.End()) {
for (const auto stencil_id:
FindImagesInRegion(image.info.stencil.address, image.info.stencil.size, false)) {
const auto* stencil = m_slot_images.try_get(stencil_id);
if (stencil != nullptr && stencil->depth_id == id &&
stencil->info.data == image.info.stencil) {
RefreshImage(stencil_id);
break;
}
}
}
switch (desc.type) {
case BindingType::Texture: break;
case BindingType::Storage:
CommitGpuWrite(image);
TrackImageDownload(id, image);
break;
default: EXIT("TextureCache: invalid texture binding\n");
}
return image.FindView(desc.view_info);
}
vk::ImageView TextureCache::FindRenderTarget(ImageId id, const ImageDesc& desc) {
if (desc.type != BindingType::RenderTarget) {
EXIT("TextureCache: invalid color-target binding\n");
}
std::scoped_lock lock {m_lock};
auto& image = m_slot_images[id];
if (!image.registered || image.depth_id || image.binding.needs_rebind) {
EXIT("TextureCache: color target requires rediscovery before final acquisition\n");
}
TouchImage(image);
image.MarkGpuModified();
image.usage.render_target = true;
RefreshImage(id);
CommitGpuWrite(image);
TrackImageDownload(id, image);
return image.FindView(desc.view_info);
}
vk::ImageView TextureCache::FindDepthTarget(ImageId id, const ImageDesc& desc) {
if (desc.type != BindingType::DepthTarget) {
EXIT("TextureCache: invalid depth-target binding\n");
}
std::scoped_lock lock {m_lock};
auto& image = m_slot_images[id];
if (!image.registered || image.depth_id || image.binding.needs_rebind) {
EXIT("TextureCache: depth target requires rediscovery before final acquisition\n");
}
TouchImage(image);
image.MarkGpuModified();
if (desc.info.HasStencil()) {
const auto layers = image.info.resources.layers;
EXIT_IF(layers == 0 || image.info.data.size % layers != 0 ||
desc.info.data.address < image.info.data.address);
const auto slice_size = image.info.data.size / layers;
const auto offset = desc.info.data.address - image.info.data.address;
EXIT_IF(slice_size == 0 || offset % slice_size != 0 || offset / slice_size >= layers ||
desc.info.resources.layers > layers - offset / slice_size);
image.stencil_subresources = {0, desc.info.resources.levels,
static_cast<uint32_t>(offset / slice_size),
desc.info.resources.layers};
}
image.info.stencil = desc.info.stencil;
image.info.metadata = desc.info.metadata;
if (desc.info.HasMetadata()) {
const auto [metadata, inserted] = m_surface_metas.try_emplace(desc.info.metadata.range.address);
if (inserted && image.info.htile_initial_clear) {
metadata->second.clear_mask.set();
}
}
RefreshImage(id);
CommitGpuWrite(image);
if (desc.info.HasStencil()) {
RefreshImage(AssociateStencil(id, desc.info.stencil));
}
return image.FindView(desc.view_info);
}
void TextureCache::MarkGpuWritten(ImageId id) {
std::scoped_lock lock {m_lock};
auto& image = m_slot_images[id];
if (!image.registered || image.depth_id) {
EXIT("TextureCache: cannot mark an unavailable image GPU-written\n");
}
TrackImage(id);
CommitGpuWrite(image);
if (image.info.HasStencil()) {
const auto stencil_id = AssociateStencil(id, image.info.stencil);
TrackImage(stencil_id);
CommitGpuWrite(m_slot_images[stencil_id]);
}
}
void TextureCache::CommitGpuWrite(Image& image) {
if (!image.depth_id && image.backing.image == nullptr) {
EXIT("TextureCache: GPU writes require a native image or stencil association\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::scoped_lock lock {m_lock};
ImageId selected {};
ImageId stencil_id {};
vk::ImageAspectFlags aspect {};
ImageSubresourceRange subresources;
for (const auto id: FindImagesInRegion(address, size, false)) {
auto owner = m_slot_images.try_get(id);
if (owner == nullptr) {
continue;
}
vk::ImageAspectFlags candidate {};
ImageId candidate_id = id;
ImageSubresourceRange candidate_subresources {
0, owner->info.resources.levels, 0, owner->info.TransferLayers()};
if (owner->depth_id && owner->info.data.address == address &&
owner->info.data.size == size) {
candidate = vk::ImageAspectFlagBits::eStencil;
candidate_id = owner->depth_id;
candidate_subresources = owner->stencil_subresources;
owner = m_slot_images.try_get(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 || subresources != candidate_subresources)) {
return false;
}
selected = candidate_id;
stencil_id = candidate == vk::ImageAspectFlagBits::eStencil ? id : ImageId {};
aspect = candidate;
subresources = candidate_subresources;
}
if (!selected) {
return false;
}
auto& image = m_slot_images[selected];
vk::ClearValue clear {};
if (aspect == vk::ImageAspectFlagBits::eColor) {
if (!DecodeColorDwordFill(image.info.pixel_format, packed_clear, clear.color)) {
return false;
}
} else {
uint8_t stencil_clear = 0;
if ((aspect == vk::ImageAspectFlagBits::eDepth &&
!DecodePackedDepthClear(image.info.pixel_format, packed_clear, clear.depthStencil.depth)) ||
(aspect == vk::ImageAspectFlagBits::eStencil &&
!DecodePackedStencilClear(packed_clear, stencil_clear))) {
return false;
}
clear.depthStencil.stencil = stencil_clear;
}
ClearImage(command, selected, image.backing.format,
{aspect, subresources.base_level, subresources.level_count,
subresources.base_layer, subresources.layer_count}, clear);
if (stencil_id) {
TrackImage(stencil_id);
CommitGpuWrite(m_slot_images[stencil_id]);
}
return true;
}
void TextureCache::ClearImage(CommandBuffer& command, ImageId id, vk::Format format,
const vk::ImageSubresourceRange& range, const vk::ClearValue& clear) {
auto& image = m_slot_images[id];
const auto aspects = image.info.IsDepth() ? ImageViewOps::DepthAspectMask(image.backing.format)
: vk::ImageAspectFlagBits::eColor;
EXIT_IF(range.baseMipLevel >= image.info.resources.levels);
const auto layers = image.info.IsVolume()
? std::max(image.info.extent.depth >> range.baseMipLevel, 1u)
: image.backing.layers;
EXIT_IF(command.IsInvalid() || image.depth_id || !range.aspectMask || range.levelCount == 0 ||
range.levelCount > image.info.resources.levels - range.baseMipLevel ||
range.layerCount == 0 || range.baseArrayLayer >= layers ||
range.layerCount > layers - range.baseArrayLayer ||
(range.aspectMask & aspects) != range.aspectMask);
const bool full_subresources = range.baseMipLevel == 0 &&
range.levelCount == image.info.resources.levels &&
range.baseArrayLayer == 0 && range.layerCount == layers;
const bool full_image = range.aspectMask == aspects && full_subresources;
TrackImage(id);
if (!full_image && (image.IsBufferModified() || image.IsCpuDirty())) {
InitializeImage(id);
if (image.info.samples == 1 && (image.IsBufferModified() || image.IsCpuDirty())) {
EXIT("TextureCache: image clear retained guest ownership\n");
}
}
if (image.info.HasStencil() && (range.aspectMask & vk::ImageAspectFlagBits::eStencil)) {
const auto stencil_id = AssociateStencil(id, image.info.stencil);
if (!full_subresources) {
RefreshImage(stencil_id);
} else {
TrackImage(stencil_id);
CommitGpuWrite(m_slot_images[stencil_id]);
}
}
command.EndRendering();
// Transfer clears use the backing format; aliased clears must encode through their view.
if (format != image.backing.format || (image.info.IsVolume() && !full_image)) {
EXIT_NOT_IMPLEMENTED(range.aspectMask != vk::ImageAspectFlagBits::eColor ||
range.levelCount != 1);
ImageViewInfo view {};
view.format = format;
view.type = range.layerCount == 1 ? vk::ImageViewType::e2D : vk::ImageViewType::e2DArray;
view.base_level = range.baseMipLevel;
view.base_layer = range.baseArrayLayer;
view.layer_count = range.layerCount;
view.usage = vk::ImageUsageFlagBits::eColorAttachment;
image.Transit(vk::ImageLayout::eColorAttachmentOptimal,
vk::AccessFlagBits2::eColorAttachmentWrite, {}, command.Handle());
vk::RenderingAttachmentInfo attachment {};
attachment.imageView = image.FindView(view);
attachment.imageLayout = vk::ImageLayout::eColorAttachmentOptimal;
attachment.loadOp = vk::AttachmentLoadOp::eClear;
attachment.storeOp = vk::AttachmentStoreOp::eStore;
attachment.clearValue = clear;
vk::RenderingInfo rendering {};
rendering.renderArea.extent = {
std::max(image.info.extent.width >> range.baseMipLevel, 1u),
std::max(image.info.extent.height >> range.baseMipLevel, 1u)};
rendering.layerCount = range.layerCount;
rendering.colorAttachmentCount = 1;
rendering.pColorAttachments = &attachment;
command.Handle().beginRendering(&rendering);
command.Handle().endRendering();
CommitGpuWrite(image);
return;
}
image.Transit(vk::ImageLayout::eTransferDstOptimal, vk::AccessFlagBits2::eTransferWrite, {},
command.Handle());
auto native_range = range;
if (image.info.IsVolume()) {
native_range.baseArrayLayer = 0;
native_range.layerCount = 1;
}
if (range.aspectMask == vk::ImageAspectFlagBits::eColor) {
command.Handle().clearColorImage(image.backing.image, vk::ImageLayout::eTransferDstOptimal,
&clear.color, 1, &native_range);
} else {
command.Handle().clearDepthStencilImage(image.backing.image,
vk::ImageLayout::eTransferDstOptimal,
&clear.depthStencil, 1, &native_range);
}
CommitGpuWrite(image);
}
void TextureCache::InvalidateMemory(uint64_t address, uint64_t size) {
if (!GuestRange {address, size}.Valid()) {
EXIT("TextureCache: invalid memory-invalidation range\n");
}
std::scoped_lock lock {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.linear_slice_stride;
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);
if (transfer_bytes == info.bytes_per_block) {
if (!info.IsTiled()) {
const auto copies = info.BufferCopies(destination_offset);
image.Download(copies, destination.Handle(), destination_offset, info.data.size);
} else {
const auto copies = info.BufferCopies();
m_tiler.TileImage(image, copies, destination.Handle(), destination_offset,
info.data.size);
}
return;
}
EXIT_NOT_IMPLEMENTED(info.bytes_per_block != sizeof(uint16_t) ||
transfer_bytes != sizeof(uint32_t));
const std::array copies {vk::BufferImageCopy {0,
info.pitch,
info.extent.height,
{vk::ImageAspectFlagBits::eDepth, 0, 0, layers},
{},
info.extent}};
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.LinearSize(), host_linear.buffer)
: 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) {
m_tiler.Tile(guest_linear.buffer, guest_linear.offset, guest_linear.size,
destination.Handle(), destination_offset, info.data.size, info);
}
}
void TextureCache::DownloadImage(Image& image, Buffer& destination, uint64_t destination_offset,
uint64_t destination_size, uint32_t levels) {
if (!CanDownload(image)) {
EXIT("TextureCache: invalid image download\n");
}
if (UploadBinding(image) == BindingType::DepthTarget) {
EXIT_IF(destination_size != image.info.data.size || levels != image.info.resources.levels);
DownloadDepth(image, destination, destination_offset);
return;
}
const auto& info = image.info;
const auto transform = info.GetColorTransform();
if (info.IsTiled()) {
const auto copies = info.BufferCopies(0, levels);
m_tiler.TileImage(image, copies, destination.Handle(), destination_offset, destination_size,
levels);
} else if (transform != ColorTransform::None) {
auto linear = m_tiler.GetScratchBuffer(destination_size);
const auto copies = info.BufferCopies(0, levels);
image.Download(copies, linear.buffer, 0, linear.size);
m_tiler.TransformColor(linear, {destination.Handle(), destination_offset, destination_size},
transform, false);
} else {
const auto copies = info.BufferCopies(destination_offset, levels);
image.Download(copies, destination.Handle(), destination_offset, destination_size);
}
}
bool BufferCache::SynchronizeBufferFromImage(Buffer& buffer, uint64_t vaddr, uint64_t size) {
const auto selected = m_texture_cache.FindImageFromRange(vaddr, size);
if (!selected) {
return false;
}
std::scoped_lock lock {m_texture_cache.m_lock};
auto& image = m_texture_cache.m_slot_images[selected];
// The GPU thread owns image retirement; CPU invalidation can dirty this image after lookup.
if (!image.SafeToDownload()) {
return false;
}
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 (buffer.IsInBounds(image.info.data.address, image.info.data.size)) {
levels = image.info.resources.levels;
copy_size = image.info.data.size;
} else if (image.info.IsVolume() || image.info.resources.layers > 1) {
// Array and volume slices are strided across the full mip chain.
return false;
} 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;
}
if (!m_texture_cache.CanDownload(image) ||
(TextureCache::UploadBinding(image) == TextureCache::BindingType::DepthTarget &&
copy_size != image.info.data.size)) {
return false;
}
m_texture_cache.DownloadImage(image, buffer, buf_offset, copy_size, levels);
return true;
}
bool TextureCache::DownloadImageMemory(ImageId id) {
auto& image = m_slot_images[id];
if (image.depth_id) {
return false;
}
if (!image.SafeToDownload() || !CanDownload(image)) {
return false;
}
const auto range = image.info.data;
auto& download = m_buffer_cache.GetUtilityBuffer(MemoryUsage::Download);
auto [mapped, offset] =
download.Map(range.size, std::max<uint64_t>(image.info.bytes_per_block, 4));
if (mapped == nullptr) {
EXIT("TextureCache: failed to map reusable download buffer\n");
}
download.Commit();
if (!LibKernel::Memory::TryReadBacking(range.address, mapped, range.size)) {
return false;
}
download.Flush(offset, range.size);
DownloadImage(image, download, offset, range.size, image.info.resources.levels);
Common::DebugCounters::Add(Common::DebugCounters::Counter::TextureDownloadBytes, range.size);
vk::BufferMemoryBarrier barrier {};
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);
});
return true;
}
void TextureCache::InvalidateMemoryFromGPU(uint64_t address, uint64_t size) {
if (!GuestRange {address, size}.Valid()) {
return;
}
std::scoped_lock lock {m_lock};
for (const auto id: FindImagesInRegion(address, size, true)) {
auto& image = m_slot_images[id];
if (image.info.data.address != address) {
continue;
}
if (image.IsGpuModified()) {
image.ClearGpuModified();
}
image.MarkBufferModified();
}
}
void TextureCache::InvalidateCpuAliases(uint64_t address, uint64_t size) {
const auto page_begin = Common::AlignDown(address, TRACKER_PAGE_SIZE);
const auto page_end = Common::AlignUp(address + size, TRACKER_PAGE_SIZE);
for (const auto id: FindImagesInRegion(address, size, true)) {
auto owner = m_slot_images.try_get(id);
if (owner == nullptr) {
continue;
}
if (owner->Overlaps(address, size)) {
owner->MarkCpuDirty();
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 {
MarkAsMaybeDirty(id, *owner);
}
}
}
bool TextureCache::IsMeta(uint64_t address) {
std::scoped_lock lock {m_lock};
const auto found = m_surface_metas.find(address);
return found != m_surface_metas.end();
}
bool TextureCache::IsMetaCleared(uint64_t address, uint32_t slice) {
std::scoped_lock lock {m_lock};
const auto found = m_surface_metas.find(address);
if (found == m_surface_metas.end() || slice >= found->second.clear_mask.size()) {
return false;
}
return found->second.clear_mask.test(slice);
}
bool TextureCache::ClearMeta(uint64_t address) {
std::scoped_lock lock {m_lock};
const auto found = m_surface_metas.find(address);
if (found == m_surface_metas.end()) {
return false;
}
found->second.clear_mask.set();
return true;
}
bool TextureCache::TouchMeta(uint64_t address, uint32_t slice, bool is_clear) {
std::scoped_lock lock {m_lock};
const auto found = m_surface_metas.find(address);
if (found == m_surface_metas.end() || slice >= found->second.clear_mask.size()) {
return false;
}
found->second.clear_mask.set(slice, is_clear);
return true;
}
bool TextureCache::IsRegionRegistered(uint64_t address, uint64_t size) {
std::scoped_lock lock {m_lock};
return !FindImagesInRegion(address, size, false).empty();
}
void TextureCache::UnmapMemory(uint64_t address, uint64_t size) {
if (!GuestRange {address, size}.Valid()) {
EXIT("TextureCache: invalid unmap range\n");
}
std::scoped_lock lock {m_lock};
// HTILE belongs to guest memory, independently of native image replacements.
for (auto metadata = m_surface_metas.begin(); metadata != m_surface_metas.end();) {
const auto base = metadata->first;
if (base >= address && base < address + size) {
metadata = m_surface_metas.erase(metadata);
} else {
++metadata;
}
}
auto images = FindImagesInRegion(address, size, false);
for (const auto id: images) {
auto owner = m_slot_images.try_get(id);
if (owner == nullptr) {
continue;
}
FreeImage(id);
}
}
void TextureCache::RunGarbageCollector() {
std::scoped_lock lock {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 = m_slot_images.try_get(id);
if (owner == nullptr || !owner->registered || owner->depth_id) {
continue;
}
if (owner->IsGpuModified()) {
const bool safe = owner->SafeToDownload();
if (safe && owner->info.IsTiled()) {
continue;
}
if (safe && !pressured) {
continue;
}
if (safe && !DownloadImageMemory(id)) {
continue;
}
}
FreeImage(id);
Common::DebugCounters::Add(Common::DebugCounters::Counter::TextureEvictions);
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() {
if (!m_readback_linear_images) {
return;
}
std::scoped_lock lock {m_lock};
for (const auto id: m_download_images) {
const auto owner = m_slot_images.try_get(id);
if (owner != nullptr && owner->registered && owner->IsGpuModified()) {
(void)DownloadImageMemory(id);
}
}
m_download_images.clear();
}
} // namespace Libs::Graphics
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