diff options
Diffstat (limited to 'src/video_core/texture_cache/texture_cache.h')
| -rw-r--r-- | src/video_core/texture_cache/texture_cache.h | 2397 |
1 files changed, 1274 insertions, 1123 deletions
diff --git a/src/video_core/texture_cache/texture_cache.h b/src/video_core/texture_cache/texture_cache.h index 581d8dd5b..968059842 100644 --- a/src/video_core/texture_cache/texture_cache.h +++ b/src/video_core/texture_cache/texture_cache.h @@ -6,1298 +6,1449 @@ #include <algorithm> #include <array> -#include <list> +#include <bit> #include <memory> #include <mutex> -#include <set> -#include <tuple> +#include <optional> +#include <span> +#include <type_traits> #include <unordered_map> +#include <utility> #include <vector> #include <boost/container/small_vector.hpp> -#include <boost/icl/interval_map.hpp> -#include <boost/range/iterator_range.hpp> -#include "common/assert.h" +#include "common/alignment.h" +#include "common/common_funcs.h" #include "common/common_types.h" -#include "common/math_util.h" -#include "core/core.h" -#include "core/memory.h" -#include "core/settings.h" +#include "common/logging/log.h" #include "video_core/compatible_formats.h" +#include "video_core/delayed_destruction_ring.h" #include "video_core/dirty_flags.h" #include "video_core/engines/fermi_2d.h" +#include "video_core/engines/kepler_compute.h" #include "video_core/engines/maxwell_3d.h" -#include "video_core/gpu.h" #include "video_core/memory_manager.h" #include "video_core/rasterizer_interface.h" #include "video_core/surface.h" -#include "video_core/texture_cache/copy_params.h" +#include "video_core/texture_cache/descriptor_table.h" #include "video_core/texture_cache/format_lookup_table.h" -#include "video_core/texture_cache/surface_base.h" -#include "video_core/texture_cache/surface_params.h" -#include "video_core/texture_cache/surface_view.h" - -namespace Tegra::Texture { -struct FullTextureInfo; -} - -namespace VideoCore { -class RasterizerInterface; -} +#include "video_core/texture_cache/formatter.h" +#include "video_core/texture_cache/image_base.h" +#include "video_core/texture_cache/image_info.h" +#include "video_core/texture_cache/image_view_base.h" +#include "video_core/texture_cache/image_view_info.h" +#include "video_core/texture_cache/render_targets.h" +#include "video_core/texture_cache/samples_helper.h" +#include "video_core/texture_cache/slot_vector.h" +#include "video_core/texture_cache/types.h" +#include "video_core/texture_cache/util.h" +#include "video_core/textures/texture.h" namespace VideoCommon { -using VideoCore::Surface::FormatCompatibility; +using Tegra::Texture::SwizzleSource; +using Tegra::Texture::TextureType; +using Tegra::Texture::TICEntry; +using Tegra::Texture::TSCEntry; +using VideoCore::Surface::GetFormatType; +using VideoCore::Surface::IsCopyCompatible; using VideoCore::Surface::PixelFormat; -using VideoCore::Surface::SurfaceTarget; -using RenderTargetConfig = Tegra::Engines::Maxwell3D::Regs::RenderTargetConfig; +using VideoCore::Surface::PixelFormatFromDepthFormat; +using VideoCore::Surface::PixelFormatFromRenderTargetFormat; +using VideoCore::Surface::SurfaceType; -template <typename TSurface, typename TView> +template <class P> class TextureCache { - using VectorSurface = boost::container::small_vector<TSurface, 1>; + /// Address shift for caching images into a hash table + static constexpr u64 PAGE_SHIFT = 20; + + /// Enables debugging features to the texture cache + static constexpr bool ENABLE_VALIDATION = P::ENABLE_VALIDATION; + /// Implement blits as copies between framebuffers + static constexpr bool FRAMEBUFFER_BLITS = P::FRAMEBUFFER_BLITS; + /// True when some copies have to be emulated + static constexpr bool HAS_EMULATED_COPIES = P::HAS_EMULATED_COPIES; + + /// Image view ID for null descriptors + static constexpr ImageViewId NULL_IMAGE_VIEW_ID{0}; + /// Sampler ID for bugged sampler ids + static constexpr SamplerId NULL_SAMPLER_ID{0}; + + using Runtime = typename P::Runtime; + using Image = typename P::Image; + using ImageAlloc = typename P::ImageAlloc; + using ImageView = typename P::ImageView; + using Sampler = typename P::Sampler; + using Framebuffer = typename P::Framebuffer; + + struct BlitImages { + ImageId dst_id; + ImageId src_id; + PixelFormat dst_format; + PixelFormat src_format; + }; + + template <typename T> + struct IdentityHash { + [[nodiscard]] size_t operator()(T value) const noexcept { + return static_cast<size_t>(value); + } + }; public: - void InvalidateRegion(VAddr addr, std::size_t size) { - std::lock_guard lock{mutex}; + explicit TextureCache(Runtime&, VideoCore::RasterizerInterface&, Tegra::Engines::Maxwell3D&, + Tegra::Engines::KeplerCompute&, Tegra::MemoryManager&); - for (const auto& surface : GetSurfacesInRegion(addr, size)) { - Unregister(surface); - } - } + /// Notify the cache that a new frame has been queued + void TickFrame(); - void OnCPUWrite(VAddr addr, std::size_t size) { - std::lock_guard lock{mutex}; + /// Return an unique mutually exclusive lock for the cache + [[nodiscard]] std::unique_lock<std::mutex> AcquireLock(); - for (const auto& surface : GetSurfacesInRegion(addr, size)) { - if (surface->IsMemoryMarked()) { - UnmarkMemory(surface); - surface->SetSyncPending(true); - marked_for_unregister.emplace_back(surface); - } - } - } + /// Return a constant reference to the given image view id + [[nodiscard]] const ImageView& GetImageView(ImageViewId id) const noexcept; - void SyncGuestHost() { - std::lock_guard lock{mutex}; + /// Return a reference to the given image view id + [[nodiscard]] ImageView& GetImageView(ImageViewId id) noexcept; - for (const auto& surface : marked_for_unregister) { - if (surface->IsRegistered()) { - surface->SetSyncPending(false); - Unregister(surface); - } - } - marked_for_unregister.clear(); - } + /// Fill image_view_ids with the graphics images in indices + void FillGraphicsImageViews(std::span<const u32> indices, + std::span<ImageViewId> image_view_ids); - /** - * Guarantees that rendertargets don't unregister themselves if the - * collide. Protection is currently only done on 3D slices. - */ - void GuardRenderTargets(bool new_guard) { - guard_render_targets = new_guard; - } + /// Fill image_view_ids with the compute images in indices + void FillComputeImageViews(std::span<const u32> indices, std::span<ImageViewId> image_view_ids); - void GuardSamplers(bool new_guard) { - guard_samplers = new_guard; - } + /// Get the sampler from the graphics descriptor table in the specified index + Sampler* GetGraphicsSampler(u32 index); - void FlushRegion(VAddr addr, std::size_t size) { - std::lock_guard lock{mutex}; + /// Get the sampler from the compute descriptor table in the specified index + Sampler* GetComputeSampler(u32 index); - auto surfaces = GetSurfacesInRegion(addr, size); - if (surfaces.empty()) { - return; - } - std::sort(surfaces.begin(), surfaces.end(), [](const TSurface& a, const TSurface& b) { - return a->GetModificationTick() < b->GetModificationTick(); - }); - for (const auto& surface : surfaces) { - mutex.unlock(); - FlushSurface(surface); - mutex.lock(); - } - } + /// Refresh the state for graphics image view and sampler descriptors + void SynchronizeGraphicsDescriptors(); - bool MustFlushRegion(VAddr addr, std::size_t size) { - std::lock_guard lock{mutex}; + /// Refresh the state for compute image view and sampler descriptors + void SynchronizeComputeDescriptors(); - const auto surfaces = GetSurfacesInRegion(addr, size); - return std::any_of(surfaces.cbegin(), surfaces.cend(), - [](const TSurface& surface) { return surface->IsModified(); }); - } + /// Update bound render targets and upload memory if necessary + /// @param is_clear True when the render targets are being used for clears + void UpdateRenderTargets(bool is_clear); - TView GetTextureSurface(const Tegra::Texture::TICEntry& tic, - const VideoCommon::Shader::Sampler& entry) { - std::lock_guard lock{mutex}; - const auto gpu_addr{tic.Address()}; - if (!gpu_addr) { - return GetNullSurface(SurfaceParams::ExpectedTarget(entry)); - } + /// Find a framebuffer with the currently bound render targets + /// UpdateRenderTargets should be called before this + Framebuffer* GetFramebuffer(); - const std::optional<VAddr> cpu_addr = gpu_memory.GpuToCpuAddress(gpu_addr); - if (!cpu_addr) { - return GetNullSurface(SurfaceParams::ExpectedTarget(entry)); - } + /// Mark images in a range as modified from the CPU + void WriteMemory(VAddr cpu_addr, size_t size); - if (!IsTypeCompatible(tic.texture_type, entry)) { - return GetNullSurface(SurfaceParams::ExpectedTarget(entry)); - } + /// Download contents of host images to guest memory in a region + void DownloadMemory(VAddr cpu_addr, size_t size); - const auto params{SurfaceParams::CreateForTexture(format_lookup_table, tic, entry)}; - const auto [surface, view] = GetSurface(gpu_addr, *cpu_addr, params, true, false); - if (guard_samplers) { - sampled_textures.push_back(surface); - } - return view; - } + /// Remove images in a region + void UnmapMemory(VAddr cpu_addr, size_t size); - TView GetImageSurface(const Tegra::Texture::TICEntry& tic, - const VideoCommon::Shader::Image& entry) { - std::lock_guard lock{mutex}; - const auto gpu_addr{tic.Address()}; - if (!gpu_addr) { - return GetNullSurface(SurfaceParams::ExpectedTarget(entry)); - } - const std::optional<VAddr> cpu_addr = gpu_memory.GpuToCpuAddress(gpu_addr); - if (!cpu_addr) { - return GetNullSurface(SurfaceParams::ExpectedTarget(entry)); - } - const auto params{SurfaceParams::CreateForImage(format_lookup_table, tic, entry)}; - const auto [surface, view] = GetSurface(gpu_addr, *cpu_addr, params, true, false); - if (guard_samplers) { - sampled_textures.push_back(surface); - } - return view; - } + /// Blit an image with the given parameters + void BlitImage(const Tegra::Engines::Fermi2D::Surface& dst, + const Tegra::Engines::Fermi2D::Surface& src, + const Tegra::Engines::Fermi2D::Config& copy); - bool TextureBarrier() { - const bool any_rt = - std::any_of(sampled_textures.begin(), sampled_textures.end(), - [](const auto& surface) { return surface->IsRenderTarget(); }); - sampled_textures.clear(); - return any_rt; - } + /// Invalidate the contents of the color buffer index + /// These contents become unspecified, the cache can assume aggressive optimizations. + void InvalidateColorBuffer(size_t index); - TView GetDepthBufferSurface(bool preserve_contents) { - std::lock_guard lock{mutex}; - auto& dirty = maxwell3d.dirty; - if (!dirty.flags[VideoCommon::Dirty::ZetaBuffer]) { - return depth_buffer.view; - } - dirty.flags[VideoCommon::Dirty::ZetaBuffer] = false; + /// Invalidate the contents of the depth buffer + /// These contents become unspecified, the cache can assume aggressive optimizations. + void InvalidateDepthBuffer(); - const auto& regs{maxwell3d.regs}; - const auto gpu_addr{regs.zeta.Address()}; - if (!gpu_addr || !regs.zeta_enable) { - SetEmptyDepthBuffer(); - return {}; - } - const std::optional<VAddr> cpu_addr = gpu_memory.GpuToCpuAddress(gpu_addr); - if (!cpu_addr) { - SetEmptyDepthBuffer(); - return {}; - } - const auto depth_params{SurfaceParams::CreateForDepthBuffer(maxwell3d)}; - auto surface_view = GetSurface(gpu_addr, *cpu_addr, depth_params, preserve_contents, true); - if (depth_buffer.target) - depth_buffer.target->MarkAsRenderTarget(false, NO_RT); - depth_buffer.target = surface_view.first; - depth_buffer.view = surface_view.second; - if (depth_buffer.target) - depth_buffer.target->MarkAsRenderTarget(true, DEPTH_RT); - return surface_view.second; - } - - TView GetColorBufferSurface(std::size_t index, bool preserve_contents) { - std::lock_guard lock{mutex}; - ASSERT(index < Tegra::Engines::Maxwell3D::Regs::NumRenderTargets); - if (!maxwell3d.dirty.flags[VideoCommon::Dirty::ColorBuffer0 + index]) { - return render_targets[index].view; - } - maxwell3d.dirty.flags[VideoCommon::Dirty::ColorBuffer0 + index] = false; + /// Try to find a cached image view in the given CPU address + [[nodiscard]] ImageView* TryFindFramebufferImageView(VAddr cpu_addr); - const auto& regs{maxwell3d.regs}; - if (index >= regs.rt_control.count || regs.rt[index].Address() == 0 || - regs.rt[index].format == Tegra::RenderTargetFormat::NONE) { - SetEmptyColorBuffer(index); - return {}; - } + /// Return true when there are uncommitted images to be downloaded + [[nodiscard]] bool HasUncommittedFlushes() const noexcept; - const auto& config{regs.rt[index]}; - const auto gpu_addr{config.Address()}; - if (!gpu_addr) { - SetEmptyColorBuffer(index); - return {}; - } + /// Return true when the caller should wait for async downloads + [[nodiscard]] bool ShouldWaitAsyncFlushes() const noexcept; - const std::optional<VAddr> cpu_addr = gpu_memory.GpuToCpuAddress(gpu_addr); - if (!cpu_addr) { - SetEmptyColorBuffer(index); - return {}; - } + /// Commit asynchronous downloads + void CommitAsyncFlushes(); + + /// Pop asynchronous downloads + void PopAsyncFlushes(); + + /// Return true when a CPU region is modified from the GPU + [[nodiscard]] bool IsRegionGpuModified(VAddr addr, size_t size); - auto surface_view = - GetSurface(gpu_addr, *cpu_addr, SurfaceParams::CreateForFramebuffer(maxwell3d, index), - preserve_contents, true); - if (render_targets[index].target) { - auto& surface = render_targets[index].target; - surface->MarkAsRenderTarget(false, NO_RT); - const auto& cr_params = surface->GetSurfaceParams(); - if (!cr_params.is_tiled && Settings::values.use_asynchronous_gpu_emulation.GetValue()) { - AsyncFlushSurface(surface); +private: + /// Iterate over all page indices in a range + template <typename Func> + static void ForEachPage(VAddr addr, size_t size, Func&& func) { + static constexpr bool RETURNS_BOOL = std::is_same_v<std::invoke_result<Func, u64>, bool>; + const u64 page_end = (addr + size - 1) >> PAGE_SHIFT; + for (u64 page = addr >> PAGE_SHIFT; page <= page_end; ++page) { + if constexpr (RETURNS_BOOL) { + if (func(page)) { + break; + } + } else { + func(page); } } - render_targets[index].target = surface_view.first; - render_targets[index].view = surface_view.second; - if (render_targets[index].target) - render_targets[index].target->MarkAsRenderTarget(true, static_cast<u32>(index)); - return surface_view.second; } - void MarkColorBufferInUse(std::size_t index) { - if (auto& render_target = render_targets[index].target) { - render_target->MarkAsModified(true, Tick()); - } - } + /// Fills image_view_ids in the image views in indices + void FillImageViews(DescriptorTable<TICEntry>& table, + std::span<ImageViewId> cached_image_view_ids, std::span<const u32> indices, + std::span<ImageViewId> image_view_ids); - void MarkDepthBufferInUse() { - if (depth_buffer.target) { - depth_buffer.target->MarkAsModified(true, Tick()); - } - } + /// Find or create an image view in the guest descriptor table + ImageViewId VisitImageView(DescriptorTable<TICEntry>& table, + std::span<ImageViewId> cached_image_view_ids, u32 index); - void SetEmptyDepthBuffer() { - if (depth_buffer.target == nullptr) { - return; - } - depth_buffer.target->MarkAsRenderTarget(false, NO_RT); - depth_buffer.target = nullptr; - depth_buffer.view = nullptr; - } + /// Find or create a framebuffer with the given render target parameters + FramebufferId GetFramebufferId(const RenderTargets& key); - void SetEmptyColorBuffer(std::size_t index) { - if (render_targets[index].target == nullptr) { - return; - } - render_targets[index].target->MarkAsRenderTarget(false, NO_RT); - render_targets[index].target = nullptr; - render_targets[index].view = nullptr; - } - - void DoFermiCopy(const Tegra::Engines::Fermi2D::Regs::Surface& src_config, - const Tegra::Engines::Fermi2D::Regs::Surface& dst_config, - const Tegra::Engines::Fermi2D::Config& copy_config) { - std::lock_guard lock{mutex}; - SurfaceParams src_params = SurfaceParams::CreateForFermiCopySurface(src_config); - SurfaceParams dst_params = SurfaceParams::CreateForFermiCopySurface(dst_config); - const GPUVAddr src_gpu_addr = src_config.Address(); - const GPUVAddr dst_gpu_addr = dst_config.Address(); - DeduceBestBlit(src_params, dst_params, src_gpu_addr, dst_gpu_addr); - - const std::optional<VAddr> dst_cpu_addr = gpu_memory.GpuToCpuAddress(dst_gpu_addr); - const std::optional<VAddr> src_cpu_addr = gpu_memory.GpuToCpuAddress(src_gpu_addr); - std::pair dst_surface = GetSurface(dst_gpu_addr, *dst_cpu_addr, dst_params, true, false); - TView src_surface = GetSurface(src_gpu_addr, *src_cpu_addr, src_params, true, false).second; - ImageBlit(src_surface, dst_surface.second, copy_config); - dst_surface.first->MarkAsModified(true, Tick()); - } - - TSurface TryFindFramebufferSurface(VAddr addr) const { - if (!addr) { - return nullptr; - } - const VAddr page = addr >> registry_page_bits; - const auto it = registry.find(page); - if (it == registry.end()) { - return nullptr; - } - const auto& list = it->second; - const auto found = std::find_if(list.begin(), list.end(), [addr](const auto& surface) { - return surface->GetCpuAddr() == addr; - }); - return found != list.end() ? *found : nullptr; - } + /// Refresh the contents (pixel data) of an image + void RefreshContents(Image& image); - u64 Tick() { - return ++ticks; - } + /// Upload data from guest to an image + template <typename MapBuffer> + void UploadImageContents(Image& image, MapBuffer& map, size_t buffer_offset); - void CommitAsyncFlushes() { - committed_flushes.push_back(uncommitted_flushes); - uncommitted_flushes.reset(); - } + /// Find or create an image view from a guest descriptor + [[nodiscard]] ImageViewId FindImageView(const TICEntry& config); - bool HasUncommittedFlushes() const { - return uncommitted_flushes != nullptr; - } + /// Create a new image view from a guest descriptor + [[nodiscard]] ImageViewId CreateImageView(const TICEntry& config); - bool ShouldWaitAsyncFlushes() const { - return !committed_flushes.empty() && committed_flushes.front() != nullptr; - } + /// Find or create an image from the given parameters + [[nodiscard]] ImageId FindOrInsertImage(const ImageInfo& info, GPUVAddr gpu_addr, + RelaxedOptions options = RelaxedOptions{}); - void PopAsyncFlushes() { - if (committed_flushes.empty()) { - return; - } - auto& flush_list = committed_flushes.front(); - if (!flush_list) { - committed_flushes.pop_front(); - return; - } - for (TSurface& surface : *flush_list) { - FlushSurface(surface); - } - committed_flushes.pop_front(); - } + /// Find an image from the given parameters + [[nodiscard]] ImageId FindImage(const ImageInfo& info, GPUVAddr gpu_addr, + RelaxedOptions options); -protected: - explicit TextureCache(VideoCore::RasterizerInterface& rasterizer_, - Tegra::Engines::Maxwell3D& maxwell3d_, Tegra::MemoryManager& gpu_memory_, - bool is_astc_supported_) - : is_astc_supported{is_astc_supported_}, rasterizer{rasterizer_}, maxwell3d{maxwell3d_}, - gpu_memory{gpu_memory_} { - for (std::size_t i = 0; i < Tegra::Engines::Maxwell3D::Regs::NumRenderTargets; i++) { - SetEmptyColorBuffer(i); - } + /// Create an image from the given parameters + [[nodiscard]] ImageId InsertImage(const ImageInfo& info, GPUVAddr gpu_addr, + RelaxedOptions options); - SetEmptyDepthBuffer(); - staging_cache.SetSize(2); + /// Create a new image and join perfectly matching existing images + /// Remove joined images from the cache + [[nodiscard]] ImageId JoinImages(const ImageInfo& info, GPUVAddr gpu_addr, VAddr cpu_addr); - const auto make_siblings = [this](PixelFormat a, PixelFormat b) { - siblings_table[static_cast<std::size_t>(a)] = b; - siblings_table[static_cast<std::size_t>(b)] = a; - }; - std::fill(siblings_table.begin(), siblings_table.end(), PixelFormat::Invalid); - make_siblings(PixelFormat::D16_UNORM, PixelFormat::R16_UNORM); - make_siblings(PixelFormat::D32_FLOAT, PixelFormat::R32_FLOAT); - make_siblings(PixelFormat::D32_FLOAT_S8_UINT, PixelFormat::R32G32_FLOAT); + /// Return a blit image pair from the given guest blit parameters + [[nodiscard]] BlitImages GetBlitImages(const Tegra::Engines::Fermi2D::Surface& dst, + const Tegra::Engines::Fermi2D::Surface& src); - sampled_textures.reserve(64); - } + /// Find or create a sampler from a guest descriptor sampler + [[nodiscard]] SamplerId FindSampler(const TSCEntry& config); - ~TextureCache() = default; + /// Find or create an image view for the given color buffer index + [[nodiscard]] ImageViewId FindColorBuffer(size_t index, bool is_clear); - virtual TSurface CreateSurface(GPUVAddr gpu_addr, const SurfaceParams& params) = 0; + /// Find or create an image view for the depth buffer + [[nodiscard]] ImageViewId FindDepthBuffer(bool is_clear); - virtual void ImageCopy(TSurface& src_surface, TSurface& dst_surface, - const CopyParams& copy_params) = 0; + /// Find or create a view for a render target with the given image parameters + [[nodiscard]] ImageViewId FindRenderTargetView(const ImageInfo& info, GPUVAddr gpu_addr, + bool is_clear); - virtual void ImageBlit(TView& src_view, TView& dst_view, - const Tegra::Engines::Fermi2D::Config& copy_config) = 0; + /// Iterates over all the images in a region calling func + template <typename Func> + void ForEachImageInRegion(VAddr cpu_addr, size_t size, Func&& func); - // Depending on the backend, a buffer copy can be slow as it means deoptimizing the texture - // and reading it from a separate buffer. - virtual void BufferCopy(TSurface& src_surface, TSurface& dst_surface) = 0; + /// Find or create an image view in the given image with the passed parameters + [[nodiscard]] ImageViewId FindOrEmplaceImageView(ImageId image_id, const ImageViewInfo& info); - void ManageRenderTargetUnregister(TSurface& surface) { - auto& dirty = maxwell3d.dirty; - const u32 index = surface->GetRenderTarget(); - if (index == DEPTH_RT) { - dirty.flags[VideoCommon::Dirty::ZetaBuffer] = true; - } else { - dirty.flags[VideoCommon::Dirty::ColorBuffer0 + index] = true; - } - dirty.flags[VideoCommon::Dirty::RenderTargets] = true; + /// Register image in the page table + void RegisterImage(ImageId image); + + /// Unregister image from the page table + void UnregisterImage(ImageId image); + + /// Track CPU reads and writes for image + void TrackImage(ImageBase& image); + + /// Stop tracking CPU reads and writes for image + void UntrackImage(ImageBase& image); + + /// Delete image from the cache + void DeleteImage(ImageId image); + + /// Remove image views references from the cache + void RemoveImageViewReferences(std::span<const ImageViewId> removed_views); + + /// Remove framebuffers using the given image views from the cache + void RemoveFramebuffers(std::span<const ImageViewId> removed_views); + + /// Mark an image as modified from the GPU + void MarkModification(ImageBase& image) noexcept; + + /// Synchronize image aliases, copying data if needed + void SynchronizeAliases(ImageId image_id); + + /// Prepare an image to be used + void PrepareImage(ImageId image_id, bool is_modification, bool invalidate); + + /// Prepare an image view to be used + void PrepareImageView(ImageViewId image_view_id, bool is_modification, bool invalidate); + + /// Execute copies from one image to the other, even if they are incompatible + void CopyImage(ImageId dst_id, ImageId src_id, std::span<const ImageCopy> copies); + + /// Bind an image view as render target, downloading resources preemtively if needed + void BindRenderTarget(ImageViewId* old_id, ImageViewId new_id); + + /// Create a render target from a given image and image view parameters + [[nodiscard]] std::pair<FramebufferId, ImageViewId> RenderTargetFromImage( + ImageId, const ImageViewInfo& view_info); + + /// Returns true if the current clear parameters clear the whole image of a given image view + [[nodiscard]] bool IsFullClear(ImageViewId id); + + Runtime& runtime; + VideoCore::RasterizerInterface& rasterizer; + Tegra::Engines::Maxwell3D& maxwell3d; + Tegra::Engines::KeplerCompute& kepler_compute; + Tegra::MemoryManager& gpu_memory; + + DescriptorTable<TICEntry> graphics_image_table{gpu_memory}; + DescriptorTable<TSCEntry> graphics_sampler_table{gpu_memory}; + std::vector<SamplerId> graphics_sampler_ids; + std::vector<ImageViewId> graphics_image_view_ids; + + DescriptorTable<TICEntry> compute_image_table{gpu_memory}; + DescriptorTable<TSCEntry> compute_sampler_table{gpu_memory}; + std::vector<SamplerId> compute_sampler_ids; + std::vector<ImageViewId> compute_image_view_ids; + + RenderTargets render_targets; + + std::mutex mutex; + + std::unordered_map<TICEntry, ImageViewId> image_views; + std::unordered_map<TSCEntry, SamplerId> samplers; + std::unordered_map<RenderTargets, FramebufferId> framebuffers; + + std::unordered_map<u64, std::vector<ImageId>, IdentityHash<u64>> page_table; + + bool has_deleted_images = false; + + SlotVector<Image> slot_images; + SlotVector<ImageView> slot_image_views; + SlotVector<ImageAlloc> slot_image_allocs; + SlotVector<Sampler> slot_samplers; + SlotVector<Framebuffer> slot_framebuffers; + + // TODO: This data structure is not optimal and it should be reworked + std::vector<ImageId> uncommitted_downloads; + std::queue<std::vector<ImageId>> committed_downloads; + + static constexpr size_t TICKS_TO_DESTROY = 6; + DelayedDestructionRing<Image, TICKS_TO_DESTROY> sentenced_images; + DelayedDestructionRing<ImageView, TICKS_TO_DESTROY> sentenced_image_view; + DelayedDestructionRing<Framebuffer, TICKS_TO_DESTROY> sentenced_framebuffers; + + std::unordered_map<GPUVAddr, ImageAllocId> image_allocs_table; + + u64 modification_tick = 0; + u64 frame_tick = 0; +}; + +template <class P> +TextureCache<P>::TextureCache(Runtime& runtime_, VideoCore::RasterizerInterface& rasterizer_, + Tegra::Engines::Maxwell3D& maxwell3d_, + Tegra::Engines::KeplerCompute& kepler_compute_, + Tegra::MemoryManager& gpu_memory_) + : runtime{runtime_}, rasterizer{rasterizer_}, maxwell3d{maxwell3d_}, + kepler_compute{kepler_compute_}, gpu_memory{gpu_memory_} { + // Configure null sampler + TSCEntry sampler_descriptor{}; + sampler_descriptor.min_filter.Assign(Tegra::Texture::TextureFilter::Linear); + sampler_descriptor.mag_filter.Assign(Tegra::Texture::TextureFilter::Linear); + sampler_descriptor.mipmap_filter.Assign(Tegra::Texture::TextureMipmapFilter::Linear); + sampler_descriptor.cubemap_anisotropy.Assign(1); + + // Make sure the first index is reserved for the null resources + // This way the null resource becomes a compile time constant + void(slot_image_views.insert(runtime, NullImageParams{})); + void(slot_samplers.insert(runtime, sampler_descriptor)); +} + +template <class P> +void TextureCache<P>::TickFrame() { + // Tick sentenced resources in this order to ensure they are destroyed in the right order + sentenced_images.Tick(); + sentenced_framebuffers.Tick(); + sentenced_image_view.Tick(); + ++frame_tick; +} + +template <class P> +std::unique_lock<std::mutex> TextureCache<P>::AcquireLock() { + return std::unique_lock{mutex}; +} + +template <class P> +const typename P::ImageView& TextureCache<P>::GetImageView(ImageViewId id) const noexcept { + return slot_image_views[id]; +} + +template <class P> +typename P::ImageView& TextureCache<P>::GetImageView(ImageViewId id) noexcept { + return slot_image_views[id]; +} + +template <class P> +void TextureCache<P>::FillGraphicsImageViews(std::span<const u32> indices, + std::span<ImageViewId> image_view_ids) { + FillImageViews(graphics_image_table, graphics_image_view_ids, indices, image_view_ids); +} + +template <class P> +void TextureCache<P>::FillComputeImageViews(std::span<const u32> indices, + std::span<ImageViewId> image_view_ids) { + FillImageViews(compute_image_table, compute_image_view_ids, indices, image_view_ids); +} + +template <class P> +typename P::Sampler* TextureCache<P>::GetGraphicsSampler(u32 index) { + [[unlikely]] if (index > graphics_sampler_table.Limit()) { + LOG_ERROR(HW_GPU, "Invalid sampler index={}", index); + return &slot_samplers[NULL_SAMPLER_ID]; + } + const auto [descriptor, is_new] = graphics_sampler_table.Read(index); + SamplerId& id = graphics_sampler_ids[index]; + [[unlikely]] if (is_new) { + id = FindSampler(descriptor); } + return &slot_samplers[id]; +} - void Register(TSurface surface) { - const GPUVAddr gpu_addr = surface->GetGpuAddr(); - const std::size_t size = surface->GetSizeInBytes(); - const std::optional<VAddr> cpu_addr = gpu_memory.GpuToCpuAddress(gpu_addr); - if (!cpu_addr) { - LOG_CRITICAL(HW_GPU, "Failed to register surface with unmapped gpu_address 0x{:016x}", - gpu_addr); - return; - } - surface->SetCpuAddr(*cpu_addr); - RegisterInnerCache(surface); - surface->MarkAsRegistered(true); - surface->SetMemoryMarked(true); - rasterizer.UpdatePagesCachedCount(*cpu_addr, size, 1); +template <class P> +typename P::Sampler* TextureCache<P>::GetComputeSampler(u32 index) { + [[unlikely]] if (index > compute_sampler_table.Limit()) { + LOG_ERROR(HW_GPU, "Invalid sampler index={}", index); + return &slot_samplers[NULL_SAMPLER_ID]; + } + const auto [descriptor, is_new] = compute_sampler_table.Read(index); + SamplerId& id = compute_sampler_ids[index]; + [[unlikely]] if (is_new) { + id = FindSampler(descriptor); } + return &slot_samplers[id]; +} - void UnmarkMemory(TSurface surface) { - if (!surface->IsMemoryMarked()) { - return; - } - const std::size_t size = surface->GetSizeInBytes(); - const VAddr cpu_addr = surface->GetCpuAddr(); - rasterizer.UpdatePagesCachedCount(cpu_addr, size, -1); - surface->SetMemoryMarked(false); +template <class P> +void TextureCache<P>::SynchronizeGraphicsDescriptors() { + using SamplerIndex = Tegra::Engines::Maxwell3D::Regs::SamplerIndex; + const bool linked_tsc = maxwell3d.regs.sampler_index == SamplerIndex::ViaHeaderIndex; + const u32 tic_limit = maxwell3d.regs.tic.limit; + const u32 tsc_limit = linked_tsc ? tic_limit : maxwell3d.regs.tsc.limit; + if (graphics_sampler_table.Synchornize(maxwell3d.regs.tsc.Address(), tsc_limit)) { + graphics_sampler_ids.resize(tsc_limit + 1, CORRUPT_ID); } + if (graphics_image_table.Synchornize(maxwell3d.regs.tic.Address(), tic_limit)) { + graphics_image_view_ids.resize(tic_limit + 1, CORRUPT_ID); + } +} - void Unregister(TSurface surface) { - if (guard_render_targets && surface->IsProtected()) { - return; - } - if (!guard_render_targets && surface->IsRenderTarget()) { - ManageRenderTargetUnregister(surface); - } - UnmarkMemory(surface); - if (surface->IsSyncPending()) { - marked_for_unregister.remove(surface); - surface->SetSyncPending(false); - } - UnregisterInnerCache(surface); - surface->MarkAsRegistered(false); - ReserveSurface(surface->GetSurfaceParams(), surface); +template <class P> +void TextureCache<P>::SynchronizeComputeDescriptors() { + const bool linked_tsc = kepler_compute.launch_description.linked_tsc; + const u32 tic_limit = kepler_compute.regs.tic.limit; + const u32 tsc_limit = linked_tsc ? tic_limit : kepler_compute.regs.tsc.limit; + const GPUVAddr tsc_gpu_addr = kepler_compute.regs.tsc.Address(); + if (compute_sampler_table.Synchornize(tsc_gpu_addr, tsc_limit)) { + compute_sampler_ids.resize(tsc_limit + 1, CORRUPT_ID); } + if (compute_image_table.Synchornize(kepler_compute.regs.tic.Address(), tic_limit)) { + compute_image_view_ids.resize(tic_limit + 1, CORRUPT_ID); + } +} - TSurface GetUncachedSurface(const GPUVAddr gpu_addr, const SurfaceParams& params) { - if (const auto surface = TryGetReservedSurface(params); surface) { - surface->SetGpuAddr(gpu_addr); - return surface; - } - // No reserved surface available, create a new one and reserve it - auto new_surface{CreateSurface(gpu_addr, params)}; - return new_surface; +template <class P> +void TextureCache<P>::UpdateRenderTargets(bool is_clear) { + using namespace VideoCommon::Dirty; + auto& flags = maxwell3d.dirty.flags; + if (!flags[Dirty::RenderTargets]) { + return; } + flags[Dirty::RenderTargets] = false; - const bool is_astc_supported; + // Render target control is used on all render targets, so force look ups when this one is up + const bool force = flags[Dirty::RenderTargetControl]; + flags[Dirty::RenderTargetControl] = false; -private: - enum class RecycleStrategy : u32 { - Ignore = 0, - Flush = 1, - BufferCopy = 3, - }; + for (size_t index = 0; index < NUM_RT; ++index) { + ImageViewId& color_buffer_id = render_targets.color_buffer_ids[index]; + if (flags[Dirty::ColorBuffer0 + index] || force) { + flags[Dirty::ColorBuffer0 + index] = false; + BindRenderTarget(&color_buffer_id, FindColorBuffer(index, is_clear)); + } + PrepareImageView(color_buffer_id, true, is_clear && IsFullClear(color_buffer_id)); + } + if (flags[Dirty::ZetaBuffer] || force) { + flags[Dirty::ZetaBuffer] = false; + BindRenderTarget(&render_targets.depth_buffer_id, FindDepthBuffer(is_clear)); + } + const ImageViewId depth_buffer_id = render_targets.depth_buffer_id; + PrepareImageView(depth_buffer_id, true, is_clear && IsFullClear(depth_buffer_id)); - enum class DeductionType : u32 { - DeductionComplete, - DeductionIncomplete, - DeductionFailed, + for (size_t index = 0; index < NUM_RT; ++index) { + render_targets.draw_buffers[index] = static_cast<u8>(maxwell3d.regs.rt_control.Map(index)); + } + render_targets.size = Extent2D{ + maxwell3d.regs.render_area.width, + maxwell3d.regs.render_area.height, }; +} - struct Deduction { - DeductionType type{DeductionType::DeductionFailed}; - TSurface surface{}; +template <class P> +typename P::Framebuffer* TextureCache<P>::GetFramebuffer() { + return &slot_framebuffers[GetFramebufferId(render_targets)]; +} - bool Failed() const { - return type == DeductionType::DeductionFailed; - } +template <class P> +void TextureCache<P>::FillImageViews(DescriptorTable<TICEntry>& table, + std::span<ImageViewId> cached_image_view_ids, + std::span<const u32> indices, + std::span<ImageViewId> image_view_ids) { + ASSERT(indices.size() <= image_view_ids.size()); + do { + has_deleted_images = false; + std::ranges::transform(indices, image_view_ids.begin(), [&](u32 index) { + return VisitImageView(table, cached_image_view_ids, index); + }); + } while (has_deleted_images); +} - bool Incomplete() const { - return type == DeductionType::DeductionIncomplete; - } +template <class P> +ImageViewId TextureCache<P>::VisitImageView(DescriptorTable<TICEntry>& table, + std::span<ImageViewId> cached_image_view_ids, + u32 index) { + if (index > table.Limit()) { + LOG_ERROR(HW_GPU, "Invalid image view index={}", index); + return NULL_IMAGE_VIEW_ID; + } + const auto [descriptor, is_new] = table.Read(index); + ImageViewId& image_view_id = cached_image_view_ids[index]; + if (is_new) { + image_view_id = FindImageView(descriptor); + } + if (image_view_id != NULL_IMAGE_VIEW_ID) { + PrepareImageView(image_view_id, false, false); + } + return image_view_id; +} - bool IsDepth() const { - return surface->GetSurfaceParams().IsPixelFormatZeta(); - } - }; +template <class P> +FramebufferId TextureCache<P>::GetFramebufferId(const RenderTargets& key) { + const auto [pair, is_new] = framebuffers.try_emplace(key); + FramebufferId& framebuffer_id = pair->second; + if (!is_new) { + return framebuffer_id; + } + std::array<ImageView*, NUM_RT> color_buffers; + std::ranges::transform(key.color_buffer_ids, color_buffers.begin(), + [this](ImageViewId id) { return id ? &slot_image_views[id] : nullptr; }); + ImageView* const depth_buffer = + key.depth_buffer_id ? &slot_image_views[key.depth_buffer_id] : nullptr; + framebuffer_id = slot_framebuffers.insert(runtime, color_buffers, depth_buffer, key); + return framebuffer_id; +} - /** - * Takes care of selecting a proper strategy to deal with a texture recycle. - * - * @param overlaps The overlapping surfaces registered in the cache. - * @param params The parameters on the new surface. - * @param gpu_addr The starting address of the new surface. - * @param untopological Indicates to the recycler that the texture has no way - * to match the overlaps due to topological reasons. - **/ - RecycleStrategy PickStrategy(VectorSurface& overlaps, const SurfaceParams& params, - const GPUVAddr gpu_addr, const MatchTopologyResult untopological) { - if (Settings::IsGPULevelExtreme()) { - return RecycleStrategy::Flush; - } - // 3D Textures decision - if (params.target == SurfaceTarget::Texture3D) { - return RecycleStrategy::Flush; - } - for (const auto& s : overlaps) { - const auto& s_params = s->GetSurfaceParams(); - if (s_params.target == SurfaceTarget::Texture3D) { - return RecycleStrategy::Flush; - } - } - // Untopological decision - if (untopological == MatchTopologyResult::CompressUnmatch) { - return RecycleStrategy::Flush; - } - if (untopological == MatchTopologyResult::FullMatch && !params.is_tiled) { - return RecycleStrategy::Flush; - } - return RecycleStrategy::Ignore; - } - - /** - * Used to decide what to do with textures we can't resolve in the cache It has 2 implemented - * strategies: Ignore and Flush. - * - * - Ignore: Just unregisters all the overlaps and loads the new texture. - * - Flush: Flushes all the overlaps into memory and loads the new surface from that data. - * - * @param overlaps The overlapping surfaces registered in the cache. - * @param params The parameters for the new surface. - * @param gpu_addr The starting address of the new surface. - * @param preserve_contents Indicates that the new surface should be loaded from memory or left - * blank. - * @param untopological Indicates to the recycler that the texture has no way to match the - * overlaps due to topological reasons. - **/ - std::pair<TSurface, TView> RecycleSurface(VectorSurface& overlaps, const SurfaceParams& params, - const GPUVAddr gpu_addr, const bool preserve_contents, - const MatchTopologyResult untopological) { - const bool do_load = preserve_contents && Settings::IsGPULevelExtreme(); - for (auto& surface : overlaps) { - Unregister(surface); - } - switch (PickStrategy(overlaps, params, gpu_addr, untopological)) { - case RecycleStrategy::Ignore: { - return InitializeSurface(gpu_addr, params, do_load); - } - case RecycleStrategy::Flush: { - std::sort(overlaps.begin(), overlaps.end(), - [](const TSurface& a, const TSurface& b) -> bool { - return a->GetModificationTick() < b->GetModificationTick(); - }); - for (auto& surface : overlaps) { - FlushSurface(surface); - } - return InitializeSurface(gpu_addr, params, preserve_contents); +template <class P> +void TextureCache<P>::WriteMemory(VAddr cpu_addr, size_t size) { + ForEachImageInRegion(cpu_addr, size, [this](ImageId image_id, Image& image) { + if (True(image.flags & ImageFlagBits::CpuModified)) { + return; } - case RecycleStrategy::BufferCopy: { - auto new_surface = GetUncachedSurface(gpu_addr, params); - BufferCopy(overlaps[0], new_surface); - return {new_surface, new_surface->GetMainView()}; + image.flags |= ImageFlagBits::CpuModified; + UntrackImage(image); + }); +} + +template <class P> +void TextureCache<P>::DownloadMemory(VAddr cpu_addr, size_t size) { + std::vector<ImageId> images; + ForEachImageInRegion(cpu_addr, size, [this, &images](ImageId image_id, ImageBase& image) { + // Skip images that were not modified from the GPU + if (False(image.flags & ImageFlagBits::GpuModified)) { + return; } - default: { - UNIMPLEMENTED_MSG("Unimplemented Texture Cache Recycling Strategy!"); - return InitializeSurface(gpu_addr, params, do_load); + // Skip images that .are. modified from the CPU + // We don't want to write sensitive data from the guest + if (True(image.flags & ImageFlagBits::CpuModified)) { + return; } + if (image.info.num_samples > 1) { + LOG_WARNING(HW_GPU, "MSAA image downloads are not implemented"); + return; } + image.flags &= ~ImageFlagBits::GpuModified; + images.push_back(image_id); + }); + if (images.empty()) { + return; + } + std::ranges::sort(images, [this](ImageId lhs, ImageId rhs) { + return slot_images[lhs].modification_tick < slot_images[rhs].modification_tick; + }); + for (const ImageId image_id : images) { + Image& image = slot_images[image_id]; + auto map = runtime.MapDownloadBuffer(image.unswizzled_size_bytes); + const auto copies = FullDownloadCopies(image.info); + image.DownloadMemory(map, 0, copies); + runtime.Finish(); + SwizzleImage(gpu_memory, image.gpu_addr, image.info, copies, map.Span()); } +} - /** - * Takes a single surface and recreates into another that may differ in - * format, target or width alignment. - * - * @param current_surface The registered surface in the cache which we want to convert. - * @param params The new surface params which we'll use to recreate the surface. - * @param is_render Whether or not the surface is a render target. - **/ - std::pair<TSurface, TView> RebuildSurface(TSurface current_surface, const SurfaceParams& params, - bool is_render) { - const auto gpu_addr = current_surface->GetGpuAddr(); - const auto& cr_params = current_surface->GetSurfaceParams(); - TSurface new_surface; - if (cr_params.pixel_format != params.pixel_format && !is_render && - GetSiblingFormat(cr_params.pixel_format) == params.pixel_format) { - SurfaceParams new_params = params; - new_params.pixel_format = cr_params.pixel_format; - new_params.type = cr_params.type; - new_surface = GetUncachedSurface(gpu_addr, new_params); - } else { - new_surface = GetUncachedSurface(gpu_addr, params); - } - const SurfaceParams& final_params = new_surface->GetSurfaceParams(); - if (cr_params.type != final_params.type) { - if (Settings::IsGPULevelExtreme()) { - BufferCopy(current_surface, new_surface); - } - } else { - std::vector<CopyParams> bricks = current_surface->BreakDown(final_params); - for (auto& brick : bricks) { - TryCopyImage(current_surface, new_surface, brick); - } - } - Unregister(current_surface); - Register(new_surface); - new_surface->MarkAsModified(current_surface->IsModified(), Tick()); - return {new_surface, new_surface->GetMainView()}; - } - - /** - * Takes a single surface and checks with the new surface's params if it's an exact - * match, we return the main view of the registered surface. If its formats don't - * match, we rebuild the surface. We call this last method a `Mirage`. If formats - * match but the targets don't, we create an overview View of the registered surface. - * - * @param current_surface The registered surface in the cache which we want to convert. - * @param params The new surface params which we want to check. - * @param is_render Whether or not the surface is a render target. - **/ - std::pair<TSurface, TView> ManageStructuralMatch(TSurface current_surface, - const SurfaceParams& params, bool is_render) { - const bool is_mirage = !current_surface->MatchFormat(params.pixel_format); - const bool matches_target = current_surface->MatchTarget(params.target); - const auto match_check = [&]() -> std::pair<TSurface, TView> { - if (matches_target) { - return {current_surface, current_surface->GetMainView()}; - } - return {current_surface, current_surface->EmplaceOverview(params)}; - }; - if (!is_mirage) { - return match_check(); - } - if (!is_render && GetSiblingFormat(current_surface->GetFormat()) == params.pixel_format) { - return match_check(); - } - return RebuildSurface(current_surface, params, is_render); - } - - /** - * Unlike RebuildSurface where we know whether or not registered surfaces match the candidate - * in some way, we have no guarantees here. We try to see if the overlaps are sublayers/mipmaps - * of the new surface, if they all match we end up recreating a surface for them, - * else we return nothing. - * - * @param overlaps The overlapping surfaces registered in the cache. - * @param params The parameters on the new surface. - * @param gpu_addr The starting address of the new surface. - **/ - std::optional<std::pair<TSurface, TView>> TryReconstructSurface(VectorSurface& overlaps, - const SurfaceParams& params, - GPUVAddr gpu_addr) { - if (params.target == SurfaceTarget::Texture3D) { - return std::nullopt; - } - const auto test_modified = [](TSurface& surface) { return surface->IsModified(); }; - TSurface new_surface = GetUncachedSurface(gpu_addr, params); +template <class P> +void TextureCache<P>::UnmapMemory(VAddr cpu_addr, size_t size) { + std::vector<ImageId> deleted_images; + ForEachImageInRegion(cpu_addr, size, [&](ImageId id, Image&) { deleted_images.push_back(id); }); + for (const ImageId id : deleted_images) { + Image& image = slot_images[id]; + if (True(image.flags & ImageFlagBits::Tracked)) { + UntrackImage(image); + } + UnregisterImage(id); + DeleteImage(id); + } +} - if (std::none_of(overlaps.begin(), overlaps.end(), test_modified)) { - LoadSurface(new_surface); - for (const auto& surface : overlaps) { - Unregister(surface); - } - Register(new_surface); - return {{new_surface, new_surface->GetMainView()}}; - } +template <class P> +void TextureCache<P>::BlitImage(const Tegra::Engines::Fermi2D::Surface& dst, + const Tegra::Engines::Fermi2D::Surface& src, + const Tegra::Engines::Fermi2D::Config& copy) { + const BlitImages images = GetBlitImages(dst, src); + const ImageId dst_id = images.dst_id; + const ImageId src_id = images.src_id; + PrepareImage(src_id, false, false); + PrepareImage(dst_id, true, false); + + ImageBase& dst_image = slot_images[dst_id]; + const ImageBase& src_image = slot_images[src_id]; + + // TODO: Deduplicate + const std::optional dst_base = dst_image.TryFindBase(dst.Address()); + const SubresourceRange dst_range{.base = dst_base.value(), .extent = {1, 1}}; + const ImageViewInfo dst_view_info(ImageViewType::e2D, images.dst_format, dst_range); + const auto [dst_framebuffer_id, dst_view_id] = RenderTargetFromImage(dst_id, dst_view_info); + const auto [src_samples_x, src_samples_y] = SamplesLog2(src_image.info.num_samples); + const std::array src_region{ + Offset2D{.x = copy.src_x0 >> src_samples_x, .y = copy.src_y0 >> src_samples_y}, + Offset2D{.x = copy.src_x1 >> src_samples_x, .y = copy.src_y1 >> src_samples_y}, + }; - std::size_t passed_tests = 0; - for (auto& surface : overlaps) { - const SurfaceParams& src_params = surface->GetSurfaceParams(); - const auto mipmap_layer{new_surface->GetLayerMipmap(surface->GetGpuAddr())}; - if (!mipmap_layer) { - continue; - } - const auto [base_layer, base_mipmap] = *mipmap_layer; - if (new_surface->GetMipmapSize(base_mipmap) != surface->GetMipmapSize(0)) { - continue; - } - ++passed_tests; - - // Copy all mipmaps and layers - const u32 block_width = params.GetDefaultBlockWidth(); - const u32 block_height = params.GetDefaultBlockHeight(); - for (u32 mipmap = base_mipmap; mipmap < base_mipmap + src_params.num_levels; ++mipmap) { - const u32 width = SurfaceParams::IntersectWidth(src_params, params, 0, mipmap); - const u32 height = SurfaceParams::IntersectHeight(src_params, params, 0, mipmap); - if (width < block_width || height < block_height) { - // Current APIs forbid copying small compressed textures, avoid errors - break; - } - const CopyParams copy_params(0, 0, 0, 0, 0, base_layer, 0, mipmap, width, height, - src_params.depth); - TryCopyImage(surface, new_surface, copy_params); - } - } - if (passed_tests == 0) { - return std::nullopt; - } - if (Settings::IsGPULevelExtreme() && passed_tests != overlaps.size()) { - // In Accurate GPU all tests should pass, else we recycle - return std::nullopt; - } + const std::optional src_base = src_image.TryFindBase(src.Address()); + const SubresourceRange src_range{.base = src_base.value(), .extent = {1, 1}}; + const ImageViewInfo src_view_info(ImageViewType::e2D, images.src_format, src_range); + const auto [src_framebuffer_id, src_view_id] = RenderTargetFromImage(src_id, src_view_info); + const auto [dst_samples_x, dst_samples_y] = SamplesLog2(dst_image.info.num_samples); + const std::array dst_region{ + Offset2D{.x = copy.dst_x0 >> dst_samples_x, .y = copy.dst_y0 >> dst_samples_y}, + Offset2D{.x = copy.dst_x1 >> dst_samples_x, .y = copy.dst_y1 >> dst_samples_y}, + }; - const bool modified = std::any_of(overlaps.begin(), overlaps.end(), test_modified); - for (const auto& surface : overlaps) { - Unregister(surface); - } + // Always call this after src_framebuffer_id was queried, as the address might be invalidated. + Framebuffer* const dst_framebuffer = &slot_framebuffers[dst_framebuffer_id]; + if constexpr (FRAMEBUFFER_BLITS) { + // OpenGL blits from framebuffers, not images + Framebuffer* const src_framebuffer = &slot_framebuffers[src_framebuffer_id]; + runtime.BlitFramebuffer(dst_framebuffer, src_framebuffer, dst_region, src_region, + copy.filter, copy.operation); + } else { + // Vulkan can blit images, but it lacks format reinterpretations + // Provide a framebuffer in case it's necessary + ImageView& dst_view = slot_image_views[dst_view_id]; + ImageView& src_view = slot_image_views[src_view_id]; + runtime.BlitImage(dst_framebuffer, dst_view, src_view, dst_region, src_region, copy.filter, + copy.operation); + } +} - new_surface->MarkAsModified(modified, Tick()); - Register(new_surface); - return {{new_surface, new_surface->GetMainView()}}; - } - - /** - * Takes care of managing 3D textures and its slices. Does HLE methods for reconstructing the 3D - * textures within the GPU if possible. Falls back to LLE when it isn't possible to use any of - * the HLE methods. - * - * @param overlaps The overlapping surfaces registered in the cache. - * @param params The parameters on the new surface. - * @param gpu_addr The starting address of the new surface. - * @param cpu_addr The starting address of the new surface on physical memory. - * @param preserve_contents Indicates that the new surface should be loaded from memory or - * left blank. - */ - std::optional<std::pair<TSurface, TView>> Manage3DSurfaces(VectorSurface& overlaps, - const SurfaceParams& params, - GPUVAddr gpu_addr, VAddr cpu_addr, - bool preserve_contents) { - if (params.target != SurfaceTarget::Texture3D) { - for (const auto& surface : overlaps) { - if (!surface->MatchTarget(params.target)) { - if (overlaps.size() == 1 && surface->GetCpuAddr() == cpu_addr) { - if (Settings::IsGPULevelExtreme()) { - return std::nullopt; - } - Unregister(surface); - return InitializeSurface(gpu_addr, params, preserve_contents); - } - return std::nullopt; - } - if (surface->GetCpuAddr() != cpu_addr) { - continue; - } - if (surface->MatchesStructure(params) == MatchStructureResult::FullMatch) { - return std::make_pair(surface, surface->GetMainView()); - } - } - return InitializeSurface(gpu_addr, params, preserve_contents); - } +template <class P> +void TextureCache<P>::InvalidateColorBuffer(size_t index) { + ImageViewId& color_buffer_id = render_targets.color_buffer_ids[index]; + color_buffer_id = FindColorBuffer(index, false); + if (!color_buffer_id) { + LOG_ERROR(HW_GPU, "Invalidating invalid color buffer in index={}", index); + return; + } + // When invalidating a color buffer, the old contents are no longer relevant + ImageView& color_buffer = slot_image_views[color_buffer_id]; + Image& image = slot_images[color_buffer.image_id]; + image.flags &= ~ImageFlagBits::CpuModified; + image.flags &= ~ImageFlagBits::GpuModified; - if (params.num_levels > 1) { - // We can't handle mipmaps in 3D textures yet, better fallback to LLE approach - return std::nullopt; - } + runtime.InvalidateColorBuffer(color_buffer, index); +} - if (overlaps.size() == 1) { - const auto& surface = overlaps[0]; - const SurfaceParams& overlap_params = surface->GetSurfaceParams(); - // Don't attempt to render to textures with more than one level for now - // The texture has to be to the right or the sample address if we want to render to it - if (overlap_params.num_levels == 1 && cpu_addr >= surface->GetCpuAddr()) { - const u32 offset = static_cast<u32>(cpu_addr - surface->GetCpuAddr()); - const u32 slice = std::get<2>(params.GetBlockOffsetXYZ(offset)); - if (slice < overlap_params.depth) { - auto view = surface->Emplace3DView(slice, params.depth, 0, 1); - return std::make_pair(std::move(surface), std::move(view)); - } - } - } +template <class P> +void TextureCache<P>::InvalidateDepthBuffer() { + ImageViewId& depth_buffer_id = render_targets.depth_buffer_id; + depth_buffer_id = FindDepthBuffer(false); + if (!depth_buffer_id) { + LOG_ERROR(HW_GPU, "Invalidating invalid depth buffer"); + return; + } + // When invalidating the depth buffer, the old contents are no longer relevant + ImageBase& image = slot_images[slot_image_views[depth_buffer_id].image_id]; + image.flags &= ~ImageFlagBits::CpuModified; + image.flags &= ~ImageFlagBits::GpuModified; - TSurface new_surface = GetUncachedSurface(gpu_addr, params); - bool modified = false; + ImageView& depth_buffer = slot_image_views[depth_buffer_id]; + runtime.InvalidateDepthBuffer(depth_buffer); +} - for (auto& surface : overlaps) { - const SurfaceParams& src_params = surface->GetSurfaceParams(); - if (src_params.target != SurfaceTarget::Texture2D || - src_params.height != params.height || - src_params.block_depth != params.block_depth || - src_params.block_height != params.block_height) { - return std::nullopt; - } - modified |= surface->IsModified(); - - const u32 offset = static_cast<u32>(surface->GetCpuAddr() - cpu_addr); - const u32 slice = std::get<2>(params.GetBlockOffsetXYZ(offset)); - const u32 width = params.width; - const u32 height = params.height; - const CopyParams copy_params(0, 0, 0, 0, 0, slice, 0, 0, width, height, 1); - TryCopyImage(surface, new_surface, copy_params); +template <class P> +typename P::ImageView* TextureCache<P>::TryFindFramebufferImageView(VAddr cpu_addr) { + // TODO: Properly implement this + const auto it = page_table.find(cpu_addr >> PAGE_SHIFT); + if (it == page_table.end()) { + return nullptr; + } + const auto& image_ids = it->second; + for (const ImageId image_id : image_ids) { + const ImageBase& image = slot_images[image_id]; + if (image.cpu_addr != cpu_addr) { + continue; } - for (const auto& surface : overlaps) { - Unregister(surface); + if (image.image_view_ids.empty()) { + continue; } - new_surface->MarkAsModified(modified, Tick()); - Register(new_surface); - - TView view = new_surface->GetMainView(); - return std::make_pair(std::move(new_surface), std::move(view)); - } - - /** - * Gets the starting address and parameters of a candidate surface and tries - * to find a matching surface within the cache. This is done in 3 big steps: - * - * 1. Check the 1st Level Cache in order to find an exact match, if we fail, we move to step 2. - * - * 2. Check if there are any overlaps at all, if there are none, we just load the texture from - * memory else we move to step 3. - * - * 3. Consists of figuring out the relationship between the candidate texture and the - * overlaps. We divide the scenarios depending if there's 1 or many overlaps. If - * there's many, we just try to reconstruct a new surface out of them based on the - * candidate's parameters, if we fail, we recycle. When there's only 1 overlap then we - * have to check if the candidate is a view (layer/mipmap) of the overlap or if the - * registered surface is a mipmap/layer of the candidate. In this last case we reconstruct - * a new surface. - * - * @param gpu_addr The starting address of the candidate surface. - * @param params The parameters on the candidate surface. - * @param preserve_contents Indicates that the new surface should be loaded from memory or - * left blank. - * @param is_render Whether or not the surface is a render target. - **/ - std::pair<TSurface, TView> GetSurface(const GPUVAddr gpu_addr, const VAddr cpu_addr, - const SurfaceParams& params, bool preserve_contents, - bool is_render) { - // Step 1 - // Check Level 1 Cache for a fast structural match. If candidate surface - // matches at certain level we are pretty much done. - if (const auto iter = l1_cache.find(cpu_addr); iter != l1_cache.end()) { - TSurface& current_surface = iter->second; - const auto topological_result = current_surface->MatchesTopology(params); - if (topological_result != MatchTopologyResult::FullMatch) { - VectorSurface overlaps{current_surface}; - return RecycleSurface(overlaps, params, gpu_addr, preserve_contents, - topological_result); - } + return &slot_image_views[image.image_view_ids.at(0)]; + } + return nullptr; +} - const auto struct_result = current_surface->MatchesStructure(params); - if (struct_result != MatchStructureResult::None) { - const auto& old_params = current_surface->GetSurfaceParams(); - const bool not_3d = params.target != SurfaceTarget::Texture3D && - old_params.target != SurfaceTarget::Texture3D; - if (not_3d || current_surface->MatchTarget(params.target)) { - if (struct_result == MatchStructureResult::FullMatch) { - return ManageStructuralMatch(current_surface, params, is_render); - } else { - return RebuildSurface(current_surface, params, is_render); - } - } - } - } +template <class P> +bool TextureCache<P>::HasUncommittedFlushes() const noexcept { + return !uncommitted_downloads.empty(); +} - // Step 2 - // Obtain all possible overlaps in the memory region - const std::size_t candidate_size = params.GetGuestSizeInBytes(); - auto overlaps{GetSurfacesInRegion(cpu_addr, candidate_size)}; +template <class P> +bool TextureCache<P>::ShouldWaitAsyncFlushes() const noexcept { + return !committed_downloads.empty() && !committed_downloads.front().empty(); +} - // If none are found, we are done. we just load the surface and create it. - if (overlaps.empty()) { - return InitializeSurface(gpu_addr, params, preserve_contents); - } +template <class P> +void TextureCache<P>::CommitAsyncFlushes() { + // This is intentionally passing the value by copy + committed_downloads.push(uncommitted_downloads); + uncommitted_downloads.clear(); +} - // Step 3 - // Now we need to figure the relationship between the texture and its overlaps - // we do a topological test to ensure we can find some relationship. If it fails - // immediately recycle the texture - for (const auto& surface : overlaps) { - const auto topological_result = surface->MatchesTopology(params); - if (topological_result != MatchTopologyResult::FullMatch) { - return RecycleSurface(overlaps, params, gpu_addr, preserve_contents, - topological_result); - } - } +template <class P> +void TextureCache<P>::PopAsyncFlushes() { + if (committed_downloads.empty()) { + return; + } + const std::span<const ImageId> download_ids = committed_downloads.front(); + if (download_ids.empty()) { + committed_downloads.pop(); + return; + } + size_t total_size_bytes = 0; + for (const ImageId image_id : download_ids) { + total_size_bytes += slot_images[image_id].unswizzled_size_bytes; + } + auto download_map = runtime.MapDownloadBuffer(total_size_bytes); + size_t buffer_offset = 0; + for (const ImageId image_id : download_ids) { + Image& image = slot_images[image_id]; + const auto copies = FullDownloadCopies(image.info); + image.DownloadMemory(download_map, buffer_offset, copies); + buffer_offset += image.unswizzled_size_bytes; + } + // Wait for downloads to finish + runtime.Finish(); + + buffer_offset = 0; + const std::span<u8> download_span = download_map.Span(); + for (const ImageId image_id : download_ids) { + const ImageBase& image = slot_images[image_id]; + const auto copies = FullDownloadCopies(image.info); + const std::span<u8> image_download_span = download_span.subspan(buffer_offset); + SwizzleImage(gpu_memory, image.gpu_addr, image.info, copies, image_download_span); + buffer_offset += image.unswizzled_size_bytes; + } + committed_downloads.pop(); +} - // Manage 3D textures - if (params.block_depth > 0) { - auto surface = - Manage3DSurfaces(overlaps, params, gpu_addr, cpu_addr, preserve_contents); - if (surface) { - return *surface; - } +template <class P> +bool TextureCache<P>::IsRegionGpuModified(VAddr addr, size_t size) { + bool is_modified = false; + ForEachImageInRegion(addr, size, [&is_modified](ImageId, ImageBase& image) { + if (False(image.flags & ImageFlagBits::GpuModified)) { + return false; } + is_modified = true; + return true; + }); + return is_modified; +} - // Split cases between 1 overlap or many. - if (overlaps.size() == 1) { - TSurface current_surface = overlaps[0]; - // First check if the surface is within the overlap. If not, it means - // two things either the candidate surface is a supertexture of the overlap - // or they don't match in any known way. - if (!current_surface->IsInside(gpu_addr, gpu_addr + candidate_size)) { - const std::optional view = TryReconstructSurface(overlaps, params, gpu_addr); - if (view) { - return *view; - } - return RecycleSurface(overlaps, params, gpu_addr, preserve_contents, - MatchTopologyResult::FullMatch); - } - // Now we check if the candidate is a mipmap/layer of the overlap - std::optional<TView> view = - current_surface->EmplaceView(params, gpu_addr, candidate_size); - if (view) { - const bool is_mirage = !current_surface->MatchFormat(params.pixel_format); - if (is_mirage) { - // On a mirage view, we need to recreate the surface under this new view - // and then obtain a view again. - SurfaceParams new_params = current_surface->GetSurfaceParams(); - const u32 wh = SurfaceParams::ConvertWidth( - new_params.width, new_params.pixel_format, params.pixel_format); - const u32 hh = SurfaceParams::ConvertHeight( - new_params.height, new_params.pixel_format, params.pixel_format); - new_params.width = wh; - new_params.height = hh; - new_params.pixel_format = params.pixel_format; - std::pair<TSurface, TView> pair = - RebuildSurface(current_surface, new_params, is_render); - std::optional<TView> mirage_view = - pair.first->EmplaceView(params, gpu_addr, candidate_size); - if (mirage_view) - return {pair.first, *mirage_view}; - return RecycleSurface(overlaps, params, gpu_addr, preserve_contents, - MatchTopologyResult::FullMatch); - } - return {current_surface, *view}; - } - } else { - // If there are many overlaps, odds are they are subtextures of the candidate - // surface. We try to construct a new surface based on the candidate parameters, - // using the overlaps. If a single overlap fails, this will fail. - std::optional<std::pair<TSurface, TView>> view = - TryReconstructSurface(overlaps, params, gpu_addr); - if (view) { - return *view; - } - } - // We failed all the tests, recycle the overlaps into a new texture. - return RecycleSurface(overlaps, params, gpu_addr, preserve_contents, - MatchTopologyResult::FullMatch); - } - - /** - * Gets the starting address and parameters of a candidate surface and tries to find a - * matching surface within the cache that's similar to it. If there are many textures - * or the texture found if entirely incompatible, it will fail. If no texture is found, the - * blit will be unsuccessful. - * - * @param gpu_addr The starting address of the candidate surface. - * @param params The parameters on the candidate surface. - **/ - Deduction DeduceSurface(const GPUVAddr gpu_addr, const SurfaceParams& params) { - const std::optional<VAddr> cpu_addr = gpu_memory.GpuToCpuAddress(gpu_addr); - - if (!cpu_addr) { - Deduction result{}; - result.type = DeductionType::DeductionFailed; - return result; - } +template <class P> +void TextureCache<P>::RefreshContents(Image& image) { + if (False(image.flags & ImageFlagBits::CpuModified)) { + // Only upload modified images + return; + } + image.flags &= ~ImageFlagBits::CpuModified; + TrackImage(image); - if (const auto iter = l1_cache.find(*cpu_addr); iter != l1_cache.end()) { - TSurface& current_surface = iter->second; - const auto topological_result = current_surface->MatchesTopology(params); - if (topological_result != MatchTopologyResult::FullMatch) { - Deduction result{}; - result.type = DeductionType::DeductionFailed; - return result; - } - const auto struct_result = current_surface->MatchesStructure(params); - if (struct_result != MatchStructureResult::None && - current_surface->MatchTarget(params.target)) { - Deduction result{}; - result.type = DeductionType::DeductionComplete; - result.surface = current_surface; - return result; - } - } + if (image.info.num_samples > 1) { + LOG_WARNING(HW_GPU, "MSAA image uploads are not implemented"); + return; + } + auto map = runtime.MapUploadBuffer(MapSizeBytes(image)); + UploadImageContents(image, map, 0); + runtime.InsertUploadMemoryBarrier(); +} - const std::size_t candidate_size = params.GetGuestSizeInBytes(); - auto overlaps{GetSurfacesInRegion(*cpu_addr, candidate_size)}; +template <class P> +template <typename MapBuffer> +void TextureCache<P>::UploadImageContents(Image& image, MapBuffer& map, size_t buffer_offset) { + const std::span<u8> mapped_span = map.Span().subspan(buffer_offset); + const GPUVAddr gpu_addr = image.gpu_addr; + + if (True(image.flags & ImageFlagBits::AcceleratedUpload)) { + gpu_memory.ReadBlockUnsafe(gpu_addr, mapped_span.data(), mapped_span.size_bytes()); + const auto uploads = FullUploadSwizzles(image.info); + runtime.AccelerateImageUpload(image, map, buffer_offset, uploads); + } else if (True(image.flags & ImageFlagBits::Converted)) { + std::vector<u8> unswizzled_data(image.unswizzled_size_bytes); + auto copies = UnswizzleImage(gpu_memory, gpu_addr, image.info, unswizzled_data); + ConvertImage(unswizzled_data, image.info, mapped_span, copies); + image.UploadMemory(map, buffer_offset, copies); + } else if (image.info.type == ImageType::Buffer) { + const std::array copies{UploadBufferCopy(gpu_memory, gpu_addr, image, mapped_span)}; + image.UploadMemory(map, buffer_offset, copies); + } else { + const auto copies = UnswizzleImage(gpu_memory, gpu_addr, image.info, mapped_span); + image.UploadMemory(map, buffer_offset, copies); + } +} - if (overlaps.empty()) { - Deduction result{}; - result.type = DeductionType::DeductionIncomplete; - return result; - } +template <class P> +ImageViewId TextureCache<P>::FindImageView(const TICEntry& config) { + if (!IsValidAddress(gpu_memory, config)) { + return NULL_IMAGE_VIEW_ID; + } + const auto [pair, is_new] = image_views.try_emplace(config); + ImageViewId& image_view_id = pair->second; + if (is_new) { + image_view_id = CreateImageView(config); + } + return image_view_id; +} - if (overlaps.size() > 1) { - Deduction result{}; - result.type = DeductionType::DeductionFailed; - return result; - } else { - Deduction result{}; - result.type = DeductionType::DeductionComplete; - result.surface = overlaps[0]; - return result; - } +template <class P> +ImageViewId TextureCache<P>::CreateImageView(const TICEntry& config) { + const ImageInfo info(config); + const GPUVAddr image_gpu_addr = config.Address() - config.BaseLayer() * info.layer_stride; + const ImageId image_id = FindOrInsertImage(info, image_gpu_addr); + if (!image_id) { + return NULL_IMAGE_VIEW_ID; } + ImageBase& image = slot_images[image_id]; + const SubresourceBase base = image.TryFindBase(config.Address()).value(); + ASSERT(base.level == 0); + const ImageViewInfo view_info(config, base.layer); + const ImageViewId image_view_id = FindOrEmplaceImageView(image_id, view_info); + ImageViewBase& image_view = slot_image_views[image_view_id]; + image_view.flags |= ImageViewFlagBits::Strong; + image.flags |= ImageFlagBits::Strong; + return image_view_id; +} - /** - * Gets a null surface based on a target texture. - * @param target The target of the null surface. - */ - TView GetNullSurface(SurfaceTarget target) { - const u32 i_target = static_cast<u32>(target); - if (const auto it = invalid_cache.find(i_target); it != invalid_cache.end()) { - return it->second->GetMainView(); - } - SurfaceParams params{}; - params.target = target; - params.is_tiled = false; - params.srgb_conversion = false; - params.is_layered = - target == SurfaceTarget::Texture1DArray || target == SurfaceTarget::Texture2DArray || - target == SurfaceTarget::TextureCubemap || target == SurfaceTarget::TextureCubeArray; - params.block_width = 0; - params.block_height = 0; - params.block_depth = 0; - params.tile_width_spacing = 1; - params.width = 1; - params.height = 1; - params.depth = 1; - if (target == SurfaceTarget::TextureCubemap || target == SurfaceTarget::TextureCubeArray) { - params.depth = 6; - } - params.pitch = 4; - params.num_levels = 1; - params.emulated_levels = 1; - params.pixel_format = VideoCore::Surface::PixelFormat::R8_UNORM; - params.type = VideoCore::Surface::SurfaceType::ColorTexture; - auto surface = CreateSurface(0ULL, params); - invalid_memory.resize(surface->GetHostSizeInBytes(), 0U); - surface->UploadTexture(invalid_memory); - surface->MarkAsModified(false, Tick()); - invalid_cache.emplace(i_target, surface); - return surface->GetMainView(); - } - - /** - * Gets the a source and destination starting address and parameters, - * and tries to deduce if they are supposed to be depth textures. If so, their - * parameters are modified and fixed into so. - * - * @param src_params The parameters of the candidate surface. - * @param dst_params The parameters of the destination surface. - * @param src_gpu_addr The starting address of the candidate surface. - * @param dst_gpu_addr The starting address of the destination surface. - **/ - void DeduceBestBlit(SurfaceParams& src_params, SurfaceParams& dst_params, - const GPUVAddr src_gpu_addr, const GPUVAddr dst_gpu_addr) { - auto deduced_src = DeduceSurface(src_gpu_addr, src_params); - auto deduced_dst = DeduceSurface(dst_gpu_addr, dst_params); - if (deduced_src.Failed() || deduced_dst.Failed()) { - return; +template <class P> +ImageId TextureCache<P>::FindOrInsertImage(const ImageInfo& info, GPUVAddr gpu_addr, + RelaxedOptions options) { + if (const ImageId image_id = FindImage(info, gpu_addr, options); image_id) { + return image_id; + } + return InsertImage(info, gpu_addr, options); +} + +template <class P> +ImageId TextureCache<P>::FindImage(const ImageInfo& info, GPUVAddr gpu_addr, + RelaxedOptions options) { + const std::optional<VAddr> cpu_addr = gpu_memory.GpuToCpuAddress(gpu_addr); + if (!cpu_addr) { + return ImageId{}; + } + ImageId image_id; + const auto lambda = [&](ImageId existing_image_id, ImageBase& existing_image) { + if (info.type == ImageType::Linear || existing_image.info.type == ImageType::Linear) { + const bool strict_size = False(options & RelaxedOptions::Size) && + True(existing_image.flags & ImageFlagBits::Strong); + const ImageInfo& existing = existing_image.info; + if (existing_image.gpu_addr == gpu_addr && existing.type == info.type && + existing.pitch == info.pitch && + IsPitchLinearSameSize(existing, info, strict_size) && + IsViewCompatible(existing.format, info.format)) { + image_id = existing_image_id; + return true; + } + } else if (IsSubresource(info, existing_image, gpu_addr, options)) { + image_id = existing_image_id; + return true; } + return false; + }; + ForEachImageInRegion(*cpu_addr, CalculateGuestSizeInBytes(info), lambda); + return image_id; +} - const bool incomplete_src = deduced_src.Incomplete(); - const bool incomplete_dst = deduced_dst.Incomplete(); +template <class P> +ImageId TextureCache<P>::InsertImage(const ImageInfo& info, GPUVAddr gpu_addr, + RelaxedOptions options) { + const std::optional<VAddr> cpu_addr = gpu_memory.GpuToCpuAddress(gpu_addr); + ASSERT_MSG(cpu_addr, "Tried to insert an image to an invalid gpu_addr=0x{:x}", gpu_addr); + const ImageId image_id = JoinImages(info, gpu_addr, *cpu_addr); + const Image& image = slot_images[image_id]; + // Using "image.gpu_addr" instead of "gpu_addr" is important because it might be different + const auto [it, is_new] = image_allocs_table.try_emplace(image.gpu_addr); + if (is_new) { + it->second = slot_image_allocs.insert(); + } + slot_image_allocs[it->second].images.push_back(image_id); + return image_id; +} - if (incomplete_src && incomplete_dst) { +template <class P> +ImageId TextureCache<P>::JoinImages(const ImageInfo& info, GPUVAddr gpu_addr, VAddr cpu_addr) { + ImageInfo new_info = info; + const size_t size_bytes = CalculateGuestSizeInBytes(new_info); + std::vector<ImageId> overlap_ids; + std::vector<ImageId> left_aliased_ids; + std::vector<ImageId> right_aliased_ids; + ForEachImageInRegion(cpu_addr, size_bytes, [&](ImageId overlap_id, ImageBase& overlap) { + if (info.type != overlap.info.type) { return; } - - const bool any_incomplete = incomplete_src || incomplete_dst; - - if (!any_incomplete) { - if (!(deduced_src.IsDepth() && deduced_dst.IsDepth())) { - return; - } - } else { - if (incomplete_src && !(deduced_dst.IsDepth())) { - return; - } - - if (incomplete_dst && !(deduced_src.IsDepth())) { - return; + if (info.type == ImageType::Linear) { + if (info.pitch == overlap.info.pitch && gpu_addr == overlap.gpu_addr) { + // Alias linear images with the same pitch + left_aliased_ids.push_back(overlap_id); } + return; + } + const auto solution = ResolveOverlap(new_info, gpu_addr, cpu_addr, overlap, true); + if (solution) { + gpu_addr = solution->gpu_addr; + cpu_addr = solution->cpu_addr; + new_info.resources = solution->resources; + overlap_ids.push_back(overlap_id); + return; + } + static constexpr auto options = RelaxedOptions::Size | RelaxedOptions::Format; + const ImageBase new_image_base(new_info, gpu_addr, cpu_addr); + if (IsSubresource(new_info, overlap, gpu_addr, options)) { + left_aliased_ids.push_back(overlap_id); + } else if (IsSubresource(overlap.info, new_image_base, overlap.gpu_addr, options)) { + right_aliased_ids.push_back(overlap_id); } + }); + const ImageId new_image_id = slot_images.insert(runtime, new_info, gpu_addr, cpu_addr); + Image& new_image = slot_images[new_image_id]; - const auto inherit_format = [](SurfaceParams& to, TSurface from) { - const SurfaceParams& params = from->GetSurfaceParams(); - to.pixel_format = params.pixel_format; - to.type = params.type; - }; - // Now we got the cases where one or both is Depth and the other is not known - if (!incomplete_src) { - inherit_format(src_params, deduced_src.surface); + // TODO: Only upload what we need + RefreshContents(new_image); + + for (const ImageId overlap_id : overlap_ids) { + Image& overlap = slot_images[overlap_id]; + if (overlap.info.num_samples != new_image.info.num_samples) { + LOG_WARNING(HW_GPU, "Copying between images with different samples is not implemented"); } else { - inherit_format(src_params, deduced_dst.surface); + const SubresourceBase base = new_image.TryFindBase(overlap.gpu_addr).value(); + const auto copies = MakeShrinkImageCopies(new_info, overlap.info, base); + runtime.CopyImage(new_image, overlap, copies); } - if (!incomplete_dst) { - inherit_format(dst_params, deduced_dst.surface); - } else { - inherit_format(dst_params, deduced_src.surface); + if (True(overlap.flags & ImageFlagBits::Tracked)) { + UntrackImage(overlap); } + UnregisterImage(overlap_id); + DeleteImage(overlap_id); + } + ImageBase& new_image_base = new_image; + for (const ImageId aliased_id : right_aliased_ids) { + ImageBase& aliased = slot_images[aliased_id]; + AddImageAlias(new_image_base, aliased, new_image_id, aliased_id); + } + for (const ImageId aliased_id : left_aliased_ids) { + ImageBase& aliased = slot_images[aliased_id]; + AddImageAlias(aliased, new_image_base, aliased_id, new_image_id); } + RegisterImage(new_image_id); + return new_image_id; +} - std::pair<TSurface, TView> InitializeSurface(GPUVAddr gpu_addr, const SurfaceParams& params, - bool preserve_contents) { - auto new_surface{GetUncachedSurface(gpu_addr, params)}; - Register(new_surface); - if (preserve_contents) { - LoadSurface(new_surface); - } - return {new_surface, new_surface->GetMainView()}; +template <class P> +typename TextureCache<P>::BlitImages TextureCache<P>::GetBlitImages( + const Tegra::Engines::Fermi2D::Surface& dst, const Tegra::Engines::Fermi2D::Surface& src) { + static constexpr auto FIND_OPTIONS = RelaxedOptions::Format | RelaxedOptions::Samples; + const GPUVAddr dst_addr = dst.Address(); + const GPUVAddr src_addr = src.Address(); + ImageInfo dst_info(dst); + ImageInfo src_info(src); + ImageId dst_id; + ImageId src_id; + do { + has_deleted_images = false; + dst_id = FindImage(dst_info, dst_addr, FIND_OPTIONS); + src_id = FindImage(src_info, src_addr, FIND_OPTIONS); + const ImageBase* const dst_image = dst_id ? &slot_images[dst_id] : nullptr; + const ImageBase* const src_image = src_id ? &slot_images[src_id] : nullptr; + DeduceBlitImages(dst_info, src_info, dst_image, src_image); + if (GetFormatType(dst_info.format) != GetFormatType(src_info.format)) { + continue; + } + if (!dst_id) { + dst_id = InsertImage(dst_info, dst_addr, RelaxedOptions{}); + } + if (!src_id) { + src_id = InsertImage(src_info, src_addr, RelaxedOptions{}); + } + } while (has_deleted_images); + return BlitImages{ + .dst_id = dst_id, + .src_id = src_id, + .dst_format = dst_info.format, + .src_format = src_info.format, + }; +} + +template <class P> +SamplerId TextureCache<P>::FindSampler(const TSCEntry& config) { + if (std::ranges::all_of(config.raw, [](u64 value) { return value == 0; })) { + return NULL_SAMPLER_ID; + } + const auto [pair, is_new] = samplers.try_emplace(config); + if (is_new) { + pair->second = slot_samplers.insert(runtime, config); } + return pair->second; +} - void LoadSurface(const TSurface& surface) { - staging_cache.GetBuffer(0).resize(surface->GetHostSizeInBytes()); - surface->LoadBuffer(gpu_memory, staging_cache); - surface->UploadTexture(staging_cache.GetBuffer(0)); - surface->MarkAsModified(false, Tick()); +template <class P> +ImageViewId TextureCache<P>::FindColorBuffer(size_t index, bool is_clear) { + const auto& regs = maxwell3d.regs; + if (index >= regs.rt_control.count) { + return ImageViewId{}; + } + const auto& rt = regs.rt[index]; + const GPUVAddr gpu_addr = rt.Address(); + if (gpu_addr == 0) { + return ImageViewId{}; + } + if (rt.format == Tegra::RenderTargetFormat::NONE) { + return ImageViewId{}; } + const ImageInfo info(regs, index); + return FindRenderTargetView(info, gpu_addr, is_clear); +} - void FlushSurface(const TSurface& surface) { - if (!surface->IsModified()) { - return; - } - staging_cache.GetBuffer(0).resize(surface->GetHostSizeInBytes()); - surface->DownloadTexture(staging_cache.GetBuffer(0)); - surface->FlushBuffer(gpu_memory, staging_cache); - surface->MarkAsModified(false, Tick()); - } - - void RegisterInnerCache(TSurface& surface) { - const VAddr cpu_addr = surface->GetCpuAddr(); - VAddr start = cpu_addr >> registry_page_bits; - const VAddr end = (surface->GetCpuAddrEnd() - 1) >> registry_page_bits; - l1_cache[cpu_addr] = surface; - while (start <= end) { - registry[start].push_back(surface); - start++; - } +template <class P> +ImageViewId TextureCache<P>::FindDepthBuffer(bool is_clear) { + const auto& regs = maxwell3d.regs; + if (!regs.zeta_enable) { + return ImageViewId{}; + } + const GPUVAddr gpu_addr = regs.zeta.Address(); + if (gpu_addr == 0) { + return ImageViewId{}; } + const ImageInfo info(regs); + return FindRenderTargetView(info, gpu_addr, is_clear); +} - void UnregisterInnerCache(TSurface& surface) { - const VAddr cpu_addr = surface->GetCpuAddr(); - VAddr start = cpu_addr >> registry_page_bits; - const VAddr end = (surface->GetCpuAddrEnd() - 1) >> registry_page_bits; - l1_cache.erase(cpu_addr); - while (start <= end) { - auto& reg{registry[start]}; - reg.erase(std::find(reg.begin(), reg.end(), surface)); - start++; - } +template <class P> +ImageViewId TextureCache<P>::FindRenderTargetView(const ImageInfo& info, GPUVAddr gpu_addr, + bool is_clear) { + const auto options = is_clear ? RelaxedOptions::Samples : RelaxedOptions{}; + const ImageId image_id = FindOrInsertImage(info, gpu_addr, options); + if (!image_id) { + return NULL_IMAGE_VIEW_ID; + } + Image& image = slot_images[image_id]; + const ImageViewType view_type = RenderTargetImageViewType(info); + SubresourceBase base; + if (image.info.type == ImageType::Linear) { + base = SubresourceBase{.level = 0, .layer = 0}; + } else { + base = image.TryFindBase(gpu_addr).value(); } + const s32 layers = image.info.type == ImageType::e3D ? info.size.depth : info.resources.layers; + const SubresourceRange range{ + .base = base, + .extent = {.levels = 1, .layers = layers}, + }; + return FindOrEmplaceImageView(image_id, ImageViewInfo(view_type, info.format, range)); +} - VectorSurface GetSurfacesInRegion(const VAddr cpu_addr, const std::size_t size) { - if (size == 0) { - return {}; +template <class P> +template <typename Func> +void TextureCache<P>::ForEachImageInRegion(VAddr cpu_addr, size_t size, Func&& func) { + using FuncReturn = typename std::invoke_result<Func, ImageId, Image&>::type; + static constexpr bool BOOL_BREAK = std::is_same_v<FuncReturn, bool>; + boost::container::small_vector<ImageId, 32> images; + ForEachPage(cpu_addr, size, [this, &images, cpu_addr, size, func](u64 page) { + const auto it = page_table.find(page); + if (it == page_table.end()) { + if constexpr (BOOL_BREAK) { + return false; + } else { + return; + } } - const VAddr cpu_addr_end = cpu_addr + size; - const VAddr end = (cpu_addr_end - 1) >> registry_page_bits; - VectorSurface surfaces; - for (VAddr start = cpu_addr >> registry_page_bits; start <= end; ++start) { - const auto it = registry.find(start); - if (it == registry.end()) { + for (const ImageId image_id : it->second) { + Image& image = slot_images[image_id]; + if (True(image.flags & ImageFlagBits::Picked)) { continue; } - for (auto& surface : it->second) { - if (surface->IsPicked() || !surface->Overlaps(cpu_addr, cpu_addr_end)) { - continue; + if (!image.Overlaps(cpu_addr, size)) { + continue; + } + image.flags |= ImageFlagBits::Picked; + images.push_back(image_id); + if constexpr (BOOL_BREAK) { + if (func(image_id, image)) { + return true; } - surface->MarkAsPicked(true); - surfaces.push_back(surface); + } else { + func(image_id, image); } } - for (auto& surface : surfaces) { - surface->MarkAsPicked(false); + if constexpr (BOOL_BREAK) { + return false; } - return surfaces; + }); + for (const ImageId image_id : images) { + slot_images[image_id].flags &= ~ImageFlagBits::Picked; } +} - void ReserveSurface(const SurfaceParams& params, TSurface surface) { - surface_reserve[params].push_back(std::move(surface)); +template <class P> +ImageViewId TextureCache<P>::FindOrEmplaceImageView(ImageId image_id, const ImageViewInfo& info) { + Image& image = slot_images[image_id]; + if (const ImageViewId image_view_id = image.FindView(info); image_view_id) { + return image_view_id; } + const ImageViewId image_view_id = slot_image_views.insert(runtime, info, image_id, image); + image.InsertView(info, image_view_id); + return image_view_id; +} + +template <class P> +void TextureCache<P>::RegisterImage(ImageId image_id) { + ImageBase& image = slot_images[image_id]; + ASSERT_MSG(False(image.flags & ImageFlagBits::Registered), + "Trying to register an already registered image"); + image.flags |= ImageFlagBits::Registered; + ForEachPage(image.cpu_addr, image.guest_size_bytes, + [this, image_id](u64 page) { page_table[page].push_back(image_id); }); +} - TSurface TryGetReservedSurface(const SurfaceParams& params) { - auto search{surface_reserve.find(params)}; - if (search == surface_reserve.end()) { - return {}; +template <class P> +void TextureCache<P>::UnregisterImage(ImageId image_id) { + Image& image = slot_images[image_id]; + ASSERT_MSG(True(image.flags & ImageFlagBits::Registered), + "Trying to unregister an already registered image"); + image.flags &= ~ImageFlagBits::Registered; + ForEachPage(image.cpu_addr, image.guest_size_bytes, [this, image_id](u64 page) { + const auto page_it = page_table.find(page); + if (page_it == page_table.end()) { + UNREACHABLE_MSG("Unregistering unregistered page=0x{:x}", page << PAGE_SHIFT); + return; } - for (auto& surface : search->second) { - if (!surface->IsRegistered()) { - return surface; - } + std::vector<ImageId>& image_ids = page_it->second; + const auto vector_it = std::ranges::find(image_ids, image_id); + if (vector_it == image_ids.end()) { + UNREACHABLE_MSG("Unregistering unregistered image in page=0x{:x}", page << PAGE_SHIFT); + return; } - return {}; - } + image_ids.erase(vector_it); + }); +} - /// Try to do an image copy logging when formats are incompatible. - void TryCopyImage(TSurface& src, TSurface& dst, const CopyParams& copy) { - const SurfaceParams& src_params = src->GetSurfaceParams(); - const SurfaceParams& dst_params = dst->GetSurfaceParams(); - if (!format_compatibility.TestCopy(src_params.pixel_format, dst_params.pixel_format)) { - LOG_ERROR(HW_GPU, "Illegal copy between formats={{{}, {}}}", dst_params.pixel_format, - src_params.pixel_format); - return; +template <class P> +void TextureCache<P>::TrackImage(ImageBase& image) { + ASSERT(False(image.flags & ImageFlagBits::Tracked)); + image.flags |= ImageFlagBits::Tracked; + rasterizer.UpdatePagesCachedCount(image.cpu_addr, image.guest_size_bytes, 1); +} + +template <class P> +void TextureCache<P>::UntrackImage(ImageBase& image) { + ASSERT(True(image.flags & ImageFlagBits::Tracked)); + image.flags &= ~ImageFlagBits::Tracked; + rasterizer.UpdatePagesCachedCount(image.cpu_addr, image.guest_size_bytes, -1); +} + +template <class P> +void TextureCache<P>::DeleteImage(ImageId image_id) { + ImageBase& image = slot_images[image_id]; + const GPUVAddr gpu_addr = image.gpu_addr; + const auto alloc_it = image_allocs_table.find(gpu_addr); + if (alloc_it == image_allocs_table.end()) { + UNREACHABLE_MSG("Trying to delete an image alloc that does not exist in address 0x{:x}", + gpu_addr); + return; + } + const ImageAllocId alloc_id = alloc_it->second; + std::vector<ImageId>& alloc_images = slot_image_allocs[alloc_id].images; + const auto alloc_image_it = std::ranges::find(alloc_images, image_id); + if (alloc_image_it == alloc_images.end()) { + UNREACHABLE_MSG("Trying to delete an image that does not exist"); + return; + } + ASSERT_MSG(False(image.flags & ImageFlagBits::Tracked), "Image was not untracked"); + ASSERT_MSG(False(image.flags & ImageFlagBits::Registered), "Image was not unregistered"); + + // Mark render targets as dirty + auto& dirty = maxwell3d.dirty.flags; + dirty[Dirty::RenderTargets] = true; + dirty[Dirty::ZetaBuffer] = true; + for (size_t rt = 0; rt < NUM_RT; ++rt) { + dirty[Dirty::ColorBuffer0 + rt] = true; + } + const std::span<const ImageViewId> image_view_ids = image.image_view_ids; + for (const ImageViewId image_view_id : image_view_ids) { + std::ranges::replace(render_targets.color_buffer_ids, image_view_id, ImageViewId{}); + if (render_targets.depth_buffer_id == image_view_id) { + render_targets.depth_buffer_id = ImageViewId{}; } - ImageCopy(src, dst, copy); } + RemoveImageViewReferences(image_view_ids); + RemoveFramebuffers(image_view_ids); + + for (const AliasedImage& alias : image.aliased_images) { + ImageBase& other_image = slot_images[alias.id]; + [[maybe_unused]] const size_t num_removed_aliases = + std::erase_if(other_image.aliased_images, [image_id](const AliasedImage& other_alias) { + return other_alias.id == image_id; + }); + ASSERT_MSG(num_removed_aliases == 1, "Invalid number of removed aliases: {}", + num_removed_aliases); + } + for (const ImageViewId image_view_id : image_view_ids) { + sentenced_image_view.Push(std::move(slot_image_views[image_view_id])); + slot_image_views.erase(image_view_id); + } + sentenced_images.Push(std::move(slot_images[image_id])); + slot_images.erase(image_id); - constexpr PixelFormat GetSiblingFormat(PixelFormat format) const { - return siblings_table[static_cast<std::size_t>(format)]; + alloc_images.erase(alloc_image_it); + if (alloc_images.empty()) { + image_allocs_table.erase(alloc_it); } + if constexpr (ENABLE_VALIDATION) { + std::ranges::fill(graphics_image_view_ids, CORRUPT_ID); + std::ranges::fill(compute_image_view_ids, CORRUPT_ID); + } + graphics_image_table.Invalidate(); + compute_image_table.Invalidate(); + has_deleted_images = true; +} - /// Returns true the shader sampler entry is compatible with the TIC texture type. - static bool IsTypeCompatible(Tegra::Texture::TextureType tic_type, - const VideoCommon::Shader::Sampler& entry) { - const auto shader_type = entry.type; - switch (tic_type) { - case Tegra::Texture::TextureType::Texture1D: - case Tegra::Texture::TextureType::Texture1DArray: - return shader_type == Tegra::Shader::TextureType::Texture1D; - case Tegra::Texture::TextureType::Texture1DBuffer: - // TODO(Rodrigo): Assume as valid for now - return true; - case Tegra::Texture::TextureType::Texture2D: - case Tegra::Texture::TextureType::Texture2DNoMipmap: - return shader_type == Tegra::Shader::TextureType::Texture2D; - case Tegra::Texture::TextureType::Texture2DArray: - return shader_type == Tegra::Shader::TextureType::Texture2D || - shader_type == Tegra::Shader::TextureType::TextureCube; - case Tegra::Texture::TextureType::Texture3D: - return shader_type == Tegra::Shader::TextureType::Texture3D; - case Tegra::Texture::TextureType::TextureCubeArray: - case Tegra::Texture::TextureType::TextureCubemap: - if (shader_type == Tegra::Shader::TextureType::TextureCube) { - return true; - } - return shader_type == Tegra::Shader::TextureType::Texture2D && entry.is_array; +template <class P> +void TextureCache<P>::RemoveImageViewReferences(std::span<const ImageViewId> removed_views) { + auto it = image_views.begin(); + while (it != image_views.end()) { + const auto found = std::ranges::find(removed_views, it->second); + if (found != removed_views.end()) { + it = image_views.erase(it); + } else { + ++it; } - UNREACHABLE(); - return true; } +} - struct FramebufferTargetInfo { - TSurface target; - TView view; - }; - - void AsyncFlushSurface(TSurface& surface) { - if (!uncommitted_flushes) { - uncommitted_flushes = std::make_shared<std::list<TSurface>>(); +template <class P> +void TextureCache<P>::RemoveFramebuffers(std::span<const ImageViewId> removed_views) { + auto it = framebuffers.begin(); + while (it != framebuffers.end()) { + if (it->first.Contains(removed_views)) { + it = framebuffers.erase(it); + } else { + ++it; } - uncommitted_flushes->push_back(surface); } +} - VideoCore::RasterizerInterface& rasterizer; - Tegra::Engines::Maxwell3D& maxwell3d; - Tegra::MemoryManager& gpu_memory; - - FormatLookupTable format_lookup_table; - FormatCompatibility format_compatibility; - - u64 ticks{}; - - // Guards the cache for protection conflicts. - bool guard_render_targets{}; - bool guard_samplers{}; - - // The siblings table is for formats that can inter exchange with one another - // without causing issues. This is only valid when a conflict occurs on a non - // rendering use. - std::array<PixelFormat, static_cast<std::size_t>(PixelFormat::Max)> siblings_table; - - // The internal Cache is different for the Texture Cache. It's based on buckets - // of 1MB. This fits better for the purpose of this cache as textures are normaly - // large in size. - static constexpr u64 registry_page_bits{20}; - static constexpr u64 registry_page_size{1 << registry_page_bits}; - std::unordered_map<VAddr, std::vector<TSurface>> registry; +template <class P> +void TextureCache<P>::MarkModification(ImageBase& image) noexcept { + image.flags |= ImageFlagBits::GpuModified; + image.modification_tick = ++modification_tick; +} - static constexpr u32 DEPTH_RT = 8; - static constexpr u32 NO_RT = 0xFFFFFFFF; +template <class P> +void TextureCache<P>::SynchronizeAliases(ImageId image_id) { + boost::container::small_vector<const AliasedImage*, 1> aliased_images; + ImageBase& image = slot_images[image_id]; + u64 most_recent_tick = image.modification_tick; + for (const AliasedImage& aliased : image.aliased_images) { + ImageBase& aliased_image = slot_images[aliased.id]; + if (image.modification_tick < aliased_image.modification_tick) { + most_recent_tick = std::max(most_recent_tick, aliased_image.modification_tick); + aliased_images.push_back(&aliased); + } + } + if (aliased_images.empty()) { + return; + } + image.modification_tick = most_recent_tick; + std::ranges::sort(aliased_images, [this](const AliasedImage* lhs, const AliasedImage* rhs) { + const ImageBase& lhs_image = slot_images[lhs->id]; + const ImageBase& rhs_image = slot_images[rhs->id]; + return lhs_image.modification_tick < rhs_image.modification_tick; + }); + for (const AliasedImage* const aliased : aliased_images) { + CopyImage(image_id, aliased->id, aliased->copies); + } +} - // The L1 Cache is used for fast texture lookup before checking the overlaps - // This avoids calculating size and other stuffs. - std::unordered_map<VAddr, TSurface> l1_cache; +template <class P> +void TextureCache<P>::PrepareImage(ImageId image_id, bool is_modification, bool invalidate) { + Image& image = slot_images[image_id]; + if (invalidate) { + image.flags &= ~(ImageFlagBits::CpuModified | ImageFlagBits::GpuModified); + if (False(image.flags & ImageFlagBits::Tracked)) { + TrackImage(image); + } + } else { + RefreshContents(image); + SynchronizeAliases(image_id); + } + if (is_modification) { + MarkModification(image); + } + image.frame_tick = frame_tick; +} - /// The surface reserve is a "backup" cache, this is where we put unique surfaces that have - /// previously been used. This is to prevent surfaces from being constantly created and - /// destroyed when used with different surface parameters. - std::unordered_map<SurfaceParams, std::vector<TSurface>> surface_reserve; - std::array<FramebufferTargetInfo, Tegra::Engines::Maxwell3D::Regs::NumRenderTargets> - render_targets; - FramebufferTargetInfo depth_buffer; +template <class P> +void TextureCache<P>::PrepareImageView(ImageViewId image_view_id, bool is_modification, + bool invalidate) { + if (!image_view_id) { + return; + } + const ImageViewBase& image_view = slot_image_views[image_view_id]; + PrepareImage(image_view.image_id, is_modification, invalidate); +} - std::vector<TSurface> sampled_textures; +template <class P> +void TextureCache<P>::CopyImage(ImageId dst_id, ImageId src_id, std::span<const ImageCopy> copies) { + Image& dst = slot_images[dst_id]; + Image& src = slot_images[src_id]; + const auto dst_format_type = GetFormatType(dst.info.format); + const auto src_format_type = GetFormatType(src.info.format); + if (src_format_type == dst_format_type) { + if constexpr (HAS_EMULATED_COPIES) { + if (!runtime.CanImageBeCopied(dst, src)) { + return runtime.EmulateCopyImage(dst, src, copies); + } + } + return runtime.CopyImage(dst, src, copies); + } + UNIMPLEMENTED_IF(dst.info.type != ImageType::e2D); + UNIMPLEMENTED_IF(src.info.type != ImageType::e2D); + for (const ImageCopy& copy : copies) { + UNIMPLEMENTED_IF(copy.dst_subresource.num_layers != 1); + UNIMPLEMENTED_IF(copy.src_subresource.num_layers != 1); + UNIMPLEMENTED_IF(copy.src_offset != Offset3D{}); + UNIMPLEMENTED_IF(copy.dst_offset != Offset3D{}); + + const SubresourceBase dst_base{ + .level = copy.dst_subresource.base_level, + .layer = copy.dst_subresource.base_layer, + }; + const SubresourceBase src_base{ + .level = copy.src_subresource.base_level, + .layer = copy.src_subresource.base_layer, + }; + const SubresourceExtent dst_extent{.levels = 1, .layers = 1}; + const SubresourceExtent src_extent{.levels = 1, .layers = 1}; + const SubresourceRange dst_range{.base = dst_base, .extent = dst_extent}; + const SubresourceRange src_range{.base = src_base, .extent = src_extent}; + const ImageViewInfo dst_view_info(ImageViewType::e2D, dst.info.format, dst_range); + const ImageViewInfo src_view_info(ImageViewType::e2D, src.info.format, src_range); + const auto [dst_framebuffer_id, dst_view_id] = RenderTargetFromImage(dst_id, dst_view_info); + Framebuffer* const dst_framebuffer = &slot_framebuffers[dst_framebuffer_id]; + const ImageViewId src_view_id = FindOrEmplaceImageView(src_id, src_view_info); + ImageView& dst_view = slot_image_views[dst_view_id]; + ImageView& src_view = slot_image_views[src_view_id]; + [[maybe_unused]] const Extent3D expected_size{ + .width = std::min(dst_view.size.width, src_view.size.width), + .height = std::min(dst_view.size.height, src_view.size.height), + .depth = std::min(dst_view.size.depth, src_view.size.depth), + }; + UNIMPLEMENTED_IF(copy.extent != expected_size); - /// This cache stores null surfaces in order to be used as a placeholder - /// for invalid texture calls. - std::unordered_map<u32, TSurface> invalid_cache; - std::vector<u8> invalid_memory; + runtime.ConvertImage(dst_framebuffer, dst_view, src_view); + } +} - std::list<TSurface> marked_for_unregister; +template <class P> +void TextureCache<P>::BindRenderTarget(ImageViewId* old_id, ImageViewId new_id) { + if (*old_id == new_id) { + return; + } + if (*old_id) { + const ImageViewBase& old_view = slot_image_views[*old_id]; + if (True(old_view.flags & ImageViewFlagBits::PreemtiveDownload)) { + uncommitted_downloads.push_back(old_view.image_id); + } + } + *old_id = new_id; +} - std::shared_ptr<std::list<TSurface>> uncommitted_flushes{}; - std::list<std::shared_ptr<std::list<TSurface>>> committed_flushes; +template <class P> +std::pair<FramebufferId, ImageViewId> TextureCache<P>::RenderTargetFromImage( + ImageId image_id, const ImageViewInfo& view_info) { + const ImageViewId view_id = FindOrEmplaceImageView(image_id, view_info); + const ImageBase& image = slot_images[image_id]; + const bool is_color = GetFormatType(image.info.format) == SurfaceType::ColorTexture; + const ImageViewId color_view_id = is_color ? view_id : ImageViewId{}; + const ImageViewId depth_view_id = is_color ? ImageViewId{} : view_id; + const Extent3D extent = MipSize(image.info.size, view_info.range.base.level); + const u32 num_samples = image.info.num_samples; + const auto [samples_x, samples_y] = SamplesLog2(num_samples); + const FramebufferId framebuffer_id = GetFramebufferId(RenderTargets{ + .color_buffer_ids = {color_view_id}, + .depth_buffer_id = depth_view_id, + .size = {extent.width >> samples_x, extent.height >> samples_y}, + }); + return {framebuffer_id, view_id}; +} - StagingCache staging_cache; - std::recursive_mutex mutex; -}; +template <class P> +bool TextureCache<P>::IsFullClear(ImageViewId id) { + if (!id) { + return true; + } + const ImageViewBase& image_view = slot_image_views[id]; + const ImageBase& image = slot_images[image_view.image_id]; + const Extent3D size = image_view.size; + const auto& regs = maxwell3d.regs; + const auto& scissor = regs.scissor_test[0]; + if (image.info.resources.levels > 1 || image.info.resources.layers > 1) { + // Images with multiple resources can't be cleared in a single call + return false; + } + if (regs.clear_flags.scissor == 0) { + // If scissor testing is disabled, the clear is always full + return true; + } + // Make sure the clear covers all texels in the subresource + return scissor.min_x == 0 && scissor.min_y == 0 && scissor.max_x >= size.width && + scissor.max_y >= size.height; +} } // namespace VideoCommon |