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authoryzct12345 <87620833+yzct12345@users.noreply.github.com>2021-08-05 22:46:24 +0200
committerGitHub <noreply@github.com>2021-08-05 22:46:24 +0200
commit5566f3dbc0db1de41fcd291f5b7588d9e055ba85 (patch)
treeaf6c8f05b6af04eab31aa59cbc211abd557f0edf /src/video_core/texture_cache/texture_cache.h
parenttexture_cache: Split templates out (diff)
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Diffstat (limited to 'src/video_core/texture_cache/texture_cache.h')
-rw-r--r--src/video_core/texture_cache/texture_cache.h1711
1 files changed, 1408 insertions, 303 deletions
diff --git a/src/video_core/texture_cache/texture_cache.h b/src/video_core/texture_cache/texture_cache.h
index a4f6e9422..5884fa16e 100644
--- a/src/video_core/texture_cache/texture_cache.h
+++ b/src/video_core/texture_cache/texture_cache.h
@@ -4,48 +4,7 @@
#pragma once
-#include <algorithm>
-#include <array>
-#include <bit>
-#include <memory>
-#include <mutex>
-#include <optional>
-#include <span>
-#include <type_traits>
-#include <unordered_map>
-#include <unordered_set>
-#include <utility>
-#include <vector>
-
-#include <boost/container/small_vector.hpp>
-
-#include "common/alignment.h"
-#include "common/common_types.h"
-#include "common/literals.h"
-#include "common/logging/log.h"
-#include "common/settings.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/memory_manager.h"
-#include "video_core/rasterizer_interface.h"
-#include "video_core/surface.h"
-#include "video_core/texture_cache/descriptor_table.h"
-#include "video_core/texture_cache/format_lookup_table.h"
-#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"
+#include "video_core/texture_cache/texture_cache_base.h"
namespace VideoCommon {
@@ -62,341 +21,1487 @@ using VideoCore::Surface::SurfaceType;
using namespace Common::Literals;
template <class P>
-class TextureCache {
- /// Address shift for caching images into a hash table
- static constexpr u64 PAGE_BITS = 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;
- /// True when the API can provide info about the memory of the device.
- static constexpr bool HAS_DEVICE_MEMORY_INFO = P::HAS_DEVICE_MEMORY_INFO;
-
- /// 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};
-
- static constexpr u64 DEFAULT_EXPECTED_MEMORY = 1_GiB;
- static constexpr u64 DEFAULT_CRITICAL_MEMORY = 2_GiB;
-
- 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;
- };
+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));
+
+ deletion_iterator = slot_images.begin();
+
+ if constexpr (HAS_DEVICE_MEMORY_INFO) {
+ const auto device_memory = runtime.GetDeviceLocalMemory();
+ const u64 possible_expected_memory = (device_memory * 3) / 10;
+ const u64 possible_critical_memory = (device_memory * 6) / 10;
+ expected_memory = std::max(possible_expected_memory, DEFAULT_EXPECTED_MEMORY);
+ critical_memory = std::max(possible_critical_memory, DEFAULT_CRITICAL_MEMORY);
+ minimum_memory = 0;
+ } else {
+ // on OGL we can be more conservatives as the driver takes care.
+ expected_memory = DEFAULT_EXPECTED_MEMORY + 512_MiB;
+ critical_memory = DEFAULT_CRITICAL_MEMORY + 1_GiB;
+ minimum_memory = expected_memory;
+ }
+}
- template <typename T>
- struct IdentityHash {
- [[nodiscard]] size_t operator()(T value) const noexcept {
- return static_cast<size_t>(value);
+template <class P>
+void TextureCache<P>::RunGarbageCollector() {
+ const bool high_priority_mode = total_used_memory >= expected_memory;
+ const bool aggressive_mode = total_used_memory >= critical_memory;
+ const u64 ticks_to_destroy = high_priority_mode ? 60 : 100;
+ int num_iterations = aggressive_mode ? 256 : (high_priority_mode ? 128 : 64);
+ for (; num_iterations > 0; --num_iterations) {
+ if (deletion_iterator == slot_images.end()) {
+ deletion_iterator = slot_images.begin();
+ if (deletion_iterator == slot_images.end()) {
+ break;
+ }
}
- };
-
-public:
- explicit TextureCache(Runtime&, VideoCore::RasterizerInterface&, Tegra::Engines::Maxwell3D&,
- Tegra::Engines::KeplerCompute&, Tegra::MemoryManager&);
-
- /// Notify the cache that a new frame has been queued
- void TickFrame();
-
- /// Return a constant reference to the given image view id
- [[nodiscard]] const ImageView& GetImageView(ImageViewId id) const noexcept;
-
- /// Return a reference to the given image view id
- [[nodiscard]] ImageView& GetImageView(ImageViewId id) noexcept;
-
- /// Mark an image as modified from the GPU
- void MarkModification(ImageId id) noexcept;
-
- /// Fill image_view_ids with the graphics images in indices
- void FillGraphicsImageViews(std::span<const u32> indices,
- std::span<ImageViewId> image_view_ids);
+ auto [image_id, image_tmp] = *deletion_iterator;
+ Image* image = image_tmp; // fix clang error.
+ const bool is_alias = True(image->flags & ImageFlagBits::Alias);
+ const bool is_bad_overlap = True(image->flags & ImageFlagBits::BadOverlap);
+ const bool must_download = image->IsSafeDownload();
+ bool should_care = is_bad_overlap || is_alias || (high_priority_mode && !must_download);
+ const u64 ticks_needed =
+ is_bad_overlap
+ ? ticks_to_destroy >> 4
+ : ((should_care && aggressive_mode) ? ticks_to_destroy >> 1 : ticks_to_destroy);
+ should_care |= aggressive_mode;
+ if (should_care && image->frame_tick + ticks_needed < frame_tick) {
+ if (is_bad_overlap) {
+ const bool overlap_check = std::ranges::all_of(
+ image->overlapping_images, [&, image](const ImageId& overlap_id) {
+ auto& overlap = slot_images[overlap_id];
+ return overlap.frame_tick >= image->frame_tick;
+ });
+ if (!overlap_check) {
+ ++deletion_iterator;
+ continue;
+ }
+ }
+ if (!is_bad_overlap && must_download) {
+ const bool alias_check = std::ranges::none_of(
+ image->aliased_images, [&, image](const AliasedImage& alias) {
+ auto& alias_image = slot_images[alias.id];
+ return (alias_image.frame_tick < image->frame_tick) ||
+ (alias_image.modification_tick < image->modification_tick);
+ });
+
+ if (alias_check) {
+ auto map = runtime.DownloadStagingBuffer(image->unswizzled_size_bytes);
+ const auto copies = FullDownloadCopies(image->info);
+ image->DownloadMemory(map, copies);
+ runtime.Finish();
+ SwizzleImage(gpu_memory, image->gpu_addr, image->info, copies, map.mapped_span);
+ }
+ }
+ if (True(image->flags & ImageFlagBits::Tracked)) {
+ UntrackImage(*image, image_id);
+ }
+ UnregisterImage(image_id);
+ DeleteImage(image_id);
+ if (is_bad_overlap) {
+ ++num_iterations;
+ }
+ }
+ ++deletion_iterator;
+ }
+}
- /// Fill image_view_ids with the compute images in indices
- void FillComputeImageViews(std::span<const u32> indices, std::span<ImageViewId> image_view_ids);
+template <class P>
+void TextureCache<P>::TickFrame() {
+ if (Settings::values.use_caches_gc.GetValue() && total_used_memory > minimum_memory) {
+ RunGarbageCollector();
+ }
+ sentenced_images.Tick();
+ sentenced_framebuffers.Tick();
+ sentenced_image_view.Tick();
+ ++frame_tick;
+}
- /// Get the sampler from the graphics descriptor table in the specified index
- Sampler* GetGraphicsSampler(u32 index);
+template <class P>
+const typename P::ImageView& TextureCache<P>::GetImageView(ImageViewId id) const noexcept {
+ return slot_image_views[id];
+}
- /// Get the sampler from the compute descriptor table in the specified index
- Sampler* GetComputeSampler(u32 index);
+template <class P>
+typename P::ImageView& TextureCache<P>::GetImageView(ImageViewId id) noexcept {
+ return slot_image_views[id];
+}
- /// Refresh the state for graphics image view and sampler descriptors
- void SynchronizeGraphicsDescriptors();
+template <class P>
+void TextureCache<P>::MarkModification(ImageId id) noexcept {
+ MarkModification(slot_images[id]);
+}
- /// Refresh the state for compute image view and sampler descriptors
- void SynchronizeComputeDescriptors();
+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);
+}
- /// 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);
+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);
+}
- /// Find a framebuffer with the currently bound render targets
- /// UpdateRenderTargets should be called before this
- Framebuffer* GetFramebuffer();
+template <class P>
+typename P::Sampler* TextureCache<P>::GetGraphicsSampler(u32 index) {
+ if (index > graphics_sampler_table.Limit()) {
+ LOG_DEBUG(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];
+ if (is_new) {
+ id = FindSampler(descriptor);
+ }
+ return &slot_samplers[id];
+}
- /// Mark images in a range as modified from the CPU
- void WriteMemory(VAddr cpu_addr, size_t size);
+template <class P>
+typename P::Sampler* TextureCache<P>::GetComputeSampler(u32 index) {
+ if (index > compute_sampler_table.Limit()) {
+ LOG_DEBUG(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];
+ if (is_new) {
+ id = FindSampler(descriptor);
+ }
+ return &slot_samplers[id];
+}
- /// Download contents of host images to guest memory in a region
- void DownloadMemory(VAddr cpu_addr, size_t size);
+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);
+ }
+}
- /// Remove images in a region
- void UnmapMemory(VAddr cpu_addr, size_t size);
+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);
+ }
+}
- /// Remove images in a region
- void UnmapGPUMemory(GPUVAddr gpu_addr, size_t size);
+template <class P>
+void TextureCache<P>::UpdateRenderTargets(bool is_clear) {
+ using namespace VideoCommon::Dirty;
+ auto& flags = maxwell3d.dirty.flags;
+ if (!flags[Dirty::RenderTargets]) {
+ for (size_t index = 0; index < NUM_RT; ++index) {
+ ImageViewId& color_buffer_id = render_targets.color_buffer_ids[index];
+ PrepareImageView(color_buffer_id, true, is_clear && IsFullClear(color_buffer_id));
+ }
+ const ImageViewId depth_buffer_id = render_targets.depth_buffer_id;
+ PrepareImageView(depth_buffer_id, true, is_clear && IsFullClear(depth_buffer_id));
+ return;
+ }
+ flags[Dirty::RenderTargets] = false;
- /// 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);
+ // 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;
- /// Try to find a cached image view in the given CPU address
- [[nodiscard]] ImageView* TryFindFramebufferImageView(VAddr cpu_addr);
+ 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));
- /// Return true when there are uncommitted images to be downloaded
- [[nodiscard]] bool HasUncommittedFlushes() const noexcept;
+ 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,
+ };
+}
- /// Return true when the caller should wait for async downloads
- [[nodiscard]] bool ShouldWaitAsyncFlushes() const noexcept;
+template <class P>
+typename P::Framebuffer* TextureCache<P>::GetFramebuffer() {
+ return &slot_framebuffers[GetFramebufferId(render_targets)];
+}
- /// Commit asynchronous downloads
- void CommitAsyncFlushes();
+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);
+}
- /// Pop asynchronous downloads
- void PopAsyncFlushes();
+template <class P>
+ImageViewId TextureCache<P>::VisitImageView(DescriptorTable<TICEntry>& table,
+ std::span<ImageViewId> cached_image_view_ids,
+ u32 index) {
+ if (index > table.Limit()) {
+ LOG_DEBUG(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;
+}
- /// Return true when a CPU region is modified from the GPU
- [[nodiscard]] bool IsRegionGpuModified(VAddr addr, size_t size);
+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;
+}
- std::mutex mutex;
+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;
+ }
+ image.flags |= ImageFlagBits::CpuModified;
+ if (True(image.flags & ImageFlagBits::Tracked)) {
+ UntrackImage(image, image_id);
+ }
+ });
+}
-private:
- /// Iterate over all page indices in a range
- template <typename Func>
- static void ForEachCPUPage(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_BITS;
- for (u64 page = addr >> PAGE_BITS; page <= page_end; ++page) {
- if constexpr (RETURNS_BOOL) {
- if (func(page)) {
- break;
- }
- } else {
- func(page);
- }
+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) {
+ if (!image.IsSafeDownload()) {
+ 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.DownloadStagingBuffer(image.unswizzled_size_bytes);
+ const auto copies = FullDownloadCopies(image.info);
+ image.DownloadMemory(map, copies);
+ runtime.Finish();
+ SwizzleImage(gpu_memory, image.gpu_addr, image.info, copies, map.mapped_span);
+ }
+}
- template <typename Func>
- static void ForEachGPUPage(GPUVAddr 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_BITS;
- for (u64 page = addr >> PAGE_BITS; page <= page_end; ++page) {
- if constexpr (RETURNS_BOOL) {
- if (func(page)) {
- break;
- }
- } else {
- func(page);
- }
+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, id);
}
+ UnregisterImage(id);
+ DeleteImage(id);
}
+}
- /// Runs the Garbage Collector.
- void RunGarbageCollector();
-
- /// 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);
-
- /// 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);
-
- /// Find or create a framebuffer with the given render target parameters
- FramebufferId GetFramebufferId(const RenderTargets& key);
+template <class P>
+void TextureCache<P>::UnmapGPUMemory(GPUVAddr gpu_addr, size_t size) {
+ std::vector<ImageId> deleted_images;
+ ForEachImageInRegionGPU(gpu_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::Remapped)) {
+ continue;
+ }
+ image.flags |= ImageFlagBits::Remapped;
+ if (True(image.flags & ImageFlagBits::Tracked)) {
+ UntrackImage(image, id);
+ }
+ }
+}
- /// Refresh the contents (pixel data) of an image
- void RefreshContents(Image& image, ImageId image_id);
+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 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 [src_samples_x, src_samples_y] = SamplesLog2(src_image.info.num_samples);
+ const Region2D 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},
+ };
- /// Upload data from guest to an image
- template <typename StagingBuffer>
- void UploadImageContents(Image& image, StagingBuffer& staging_buffer);
+ 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 [dst_samples_x, dst_samples_y] = SamplesLog2(dst_image.info.num_samples);
+ const Region2D 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},
+ };
- /// Find or create an image view from a guest descriptor
- [[nodiscard]] ImageViewId FindImageView(const TICEntry& config);
+ // 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);
+ }
+}
- /// Create a new image view from a guest descriptor
- [[nodiscard]] ImageViewId CreateImageView(const TICEntry& config);
+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_BITS);
+ if (it == page_table.end()) {
+ return nullptr;
+ }
+ const auto& image_map_ids = it->second;
+ for (const ImageMapId map_id : image_map_ids) {
+ const ImageMapView& map = slot_map_views[map_id];
+ const ImageBase& image = slot_images[map.image_id];
+ if (image.cpu_addr != cpu_addr) {
+ continue;
+ }
+ if (image.image_view_ids.empty()) {
+ continue;
+ }
+ return &slot_image_views[image.image_view_ids.at(0)];
+ }
+ return nullptr;
+}
- /// Find or create an image from the given parameters
- [[nodiscard]] ImageId FindOrInsertImage(const ImageInfo& info, GPUVAddr gpu_addr,
- RelaxedOptions options = RelaxedOptions{});
+template <class P>
+bool TextureCache<P>::HasUncommittedFlushes() const noexcept {
+ return !uncommitted_downloads.empty();
+}
- /// Find an image from the given parameters
- [[nodiscard]] ImageId FindImage(const ImageInfo& info, GPUVAddr gpu_addr,
- RelaxedOptions options);
+template <class P>
+bool TextureCache<P>::ShouldWaitAsyncFlushes() const noexcept {
+ return !committed_downloads.empty() && !committed_downloads.front().empty();
+}
- /// Create an image from the given parameters
- [[nodiscard]] ImageId InsertImage(const ImageInfo& info, GPUVAddr gpu_addr,
- RelaxedOptions options);
+template <class P>
+void TextureCache<P>::CommitAsyncFlushes() {
+ // This is intentionally passing the value by copy
+ committed_downloads.push(uncommitted_downloads);
+ uncommitted_downloads.clear();
+}
- /// 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);
+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.DownloadStagingBuffer(total_size_bytes);
+ const size_t original_offset = download_map.offset;
+ for (const ImageId image_id : download_ids) {
+ Image& image = slot_images[image_id];
+ const auto copies = FullDownloadCopies(image.info);
+ image.DownloadMemory(download_map, copies);
+ download_map.offset += image.unswizzled_size_bytes;
+ }
+ // Wait for downloads to finish
+ runtime.Finish();
+
+ download_map.offset = original_offset;
+ std::span<u8> download_span = download_map.mapped_span;
+ for (const ImageId image_id : download_ids) {
+ const ImageBase& image = slot_images[image_id];
+ const auto copies = FullDownloadCopies(image.info);
+ SwizzleImage(gpu_memory, image.gpu_addr, image.info, copies, download_span);
+ download_map.offset += image.unswizzled_size_bytes;
+ download_span = download_span.subspan(image.unswizzled_size_bytes);
+ }
+ committed_downloads.pop();
+}
- /// 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);
+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;
+}
- /// Find or create a sampler from a guest descriptor sampler
- [[nodiscard]] SamplerId FindSampler(const TSCEntry& config);
+template <class P>
+void TextureCache<P>::RefreshContents(Image& image, ImageId image_id) {
+ if (False(image.flags & ImageFlagBits::CpuModified)) {
+ // Only upload modified images
+ return;
+ }
+ image.flags &= ~ImageFlagBits::CpuModified;
+ TrackImage(image, image_id);
- /// Find or create an image view for the given color buffer index
- [[nodiscard]] ImageViewId FindColorBuffer(size_t index, bool is_clear);
+ if (image.info.num_samples > 1) {
+ LOG_WARNING(HW_GPU, "MSAA image uploads are not implemented");
+ return;
+ }
+ auto staging = runtime.UploadStagingBuffer(MapSizeBytes(image));
+ UploadImageContents(image, staging);
+ runtime.InsertUploadMemoryBarrier();
+}
- /// Find or create an image view for the depth buffer
- [[nodiscard]] ImageViewId FindDepthBuffer(bool is_clear);
+template <class P>
+template <typename StagingBuffer>
+void TextureCache<P>::UploadImageContents(Image& image, StagingBuffer& staging) {
+ const std::span<u8> mapped_span = staging.mapped_span;
+ 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, staging, 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(staging, copies);
+ } else {
+ const auto copies = UnswizzleImage(gpu_memory, gpu_addr, image.info, mapped_span);
+ image.UploadMemory(staging, copies);
+ }
+}
- /// 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);
+template <class P>
+ImageViewId TextureCache<P>::FindImageView(const TICEntry& config) {
+ if (!IsValidEntry(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;
+}
- /// Iterates over all the images in a region calling func
- template <typename Func>
- void ForEachImageInRegion(VAddr cpu_addr, size_t size, Func&& func);
+template <class P>
+ImageViewId TextureCache<P>::CreateImageView(const TICEntry& config) {
+ const ImageInfo info(config);
+ if (info.type == ImageType::Buffer) {
+ const ImageViewInfo view_info(config, 0);
+ return slot_image_views.insert(runtime, info, view_info, config.Address());
+ }
+ const u32 layer_offset = config.BaseLayer() * info.layer_stride;
+ const GPUVAddr image_gpu_addr = config.Address() - layer_offset;
+ 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;
+}
- template <typename Func>
- void ForEachImageInRegionGPU(GPUVAddr gpu_addr, size_t size, Func&& func);
+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 <typename Func>
- void ForEachSparseImageInRegion(GPUVAddr gpu_addr, size_t size, Func&& func);
+template <class P>
+ImageId TextureCache<P>::FindImage(const ImageInfo& info, GPUVAddr gpu_addr,
+ RelaxedOptions options) {
+ std::optional<VAddr> cpu_addr = gpu_memory.GpuToCpuAddress(gpu_addr);
+ if (!cpu_addr) {
+ cpu_addr = gpu_memory.GpuToCpuAddress(gpu_addr, CalculateGuestSizeInBytes(info));
+ if (!cpu_addr) {
+ return ImageId{};
+ }
+ }
+ const bool broken_views = runtime.HasBrokenTextureViewFormats();
+ const bool native_bgr = runtime.HasNativeBgr();
+ ImageId image_id;
+ const auto lambda = [&](ImageId existing_image_id, ImageBase& existing_image) {
+ if (True(existing_image.flags & ImageFlagBits::Remapped)) {
+ return false;
+ }
+ 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, broken_views, native_bgr)) {
+ image_id = existing_image_id;
+ return true;
+ }
+ } else if (IsSubresource(info, existing_image, gpu_addr, options, broken_views,
+ native_bgr)) {
+ image_id = existing_image_id;
+ return true;
+ }
+ return false;
+ };
+ ForEachImageInRegion(*cpu_addr, CalculateGuestSizeInBytes(info), lambda);
+ return image_id;
+}
- /// Iterates over all the images in a region calling func
- template <typename Func>
- void ForEachSparseSegment(ImageBase& image, Func&& func);
+template <class P>
+ImageId TextureCache<P>::InsertImage(const ImageInfo& info, GPUVAddr gpu_addr,
+ RelaxedOptions options) {
+ std::optional<VAddr> cpu_addr = gpu_memory.GpuToCpuAddress(gpu_addr);
+ if (!cpu_addr) {
+ const auto size = CalculateGuestSizeInBytes(info);
+ cpu_addr = gpu_memory.GpuToCpuAddress(gpu_addr, size);
+ if (!cpu_addr) {
+ const VAddr fake_addr = ~(1ULL << 40ULL) + virtual_invalid_space;
+ virtual_invalid_space += Common::AlignUp(size, 32);
+ cpu_addr = std::optional<VAddr>(fake_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;
+}
- /// Find or create an image view in the given image with the passed parameters
- [[nodiscard]] ImageViewId FindOrEmplaceImageView(ImageId image_id, const ImageViewInfo& info);
+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);
+ const bool broken_views = runtime.HasBrokenTextureViewFormats();
+ const bool native_bgr = runtime.HasNativeBgr();
+ std::vector<ImageId> overlap_ids;
+ std::unordered_set<ImageId> overlaps_found;
+ std::vector<ImageId> left_aliased_ids;
+ std::vector<ImageId> right_aliased_ids;
+ std::unordered_set<ImageId> ignore_textures;
+ std::vector<ImageId> bad_overlap_ids;
+ const auto region_check = [&](ImageId overlap_id, ImageBase& overlap) {
+ if (True(overlap.flags & ImageFlagBits::Remapped)) {
+ ignore_textures.insert(overlap_id);
+ 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;
+ }
+ overlaps_found.insert(overlap_id);
+ static constexpr bool strict_size = true;
+ const std::optional<OverlapResult> solution = ResolveOverlap(
+ new_info, gpu_addr, cpu_addr, overlap, strict_size, broken_views, native_bgr);
+ 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, broken_views, native_bgr)) {
+ left_aliased_ids.push_back(overlap_id);
+ overlap.flags |= ImageFlagBits::Alias;
+ } else if (IsSubresource(overlap.info, new_image_base, overlap.gpu_addr, options,
+ broken_views, native_bgr)) {
+ right_aliased_ids.push_back(overlap_id);
+ overlap.flags |= ImageFlagBits::Alias;
+ } else {
+ bad_overlap_ids.push_back(overlap_id);
+ overlap.flags |= ImageFlagBits::BadOverlap;
+ }
+ };
+ ForEachImageInRegion(cpu_addr, size_bytes, region_check);
+ const auto region_check_gpu = [&](ImageId overlap_id, ImageBase& overlap) {
+ if (!overlaps_found.contains(overlap_id)) {
+ if (True(overlap.flags & ImageFlagBits::Remapped)) {
+ ignore_textures.insert(overlap_id);
+ }
+ if (overlap.gpu_addr == gpu_addr && overlap.guest_size_bytes == size_bytes) {
+ ignore_textures.insert(overlap_id);
+ }
+ }
+ };
+ ForEachSparseImageInRegion(gpu_addr, size_bytes, region_check_gpu);
+ const ImageId new_image_id = slot_images.insert(runtime, new_info, gpu_addr, cpu_addr);
+ Image& new_image = slot_images[new_image_id];
- /// Register image in the page table
- void RegisterImage(ImageId image);
+ if (!gpu_memory.IsContinousRange(new_image.gpu_addr, new_image.guest_size_bytes)) {
+ new_image.flags |= ImageFlagBits::Sparse;
+ }
- /// Unregister image from the page table
- void UnregisterImage(ImageId image);
+ for (const ImageId overlap_id : ignore_textures) {
+ Image& overlap = slot_images[overlap_id];
+ if (True(overlap.flags & ImageFlagBits::GpuModified)) {
+ UNIMPLEMENTED();
+ }
+ if (True(overlap.flags & ImageFlagBits::Tracked)) {
+ UntrackImage(overlap, overlap_id);
+ }
+ UnregisterImage(overlap_id);
+ DeleteImage(overlap_id);
+ }
- /// Track CPU reads and writes for image
- void TrackImage(ImageBase& image, ImageId image_id);
+ // TODO: Only upload what we need
+ RefreshContents(new_image, new_image_id);
+
+ 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 {
+ 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 (True(overlap.flags & ImageFlagBits::Tracked)) {
+ UntrackImage(overlap, overlap_id);
+ }
+ 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);
+ new_image.flags |= ImageFlagBits::Alias;
+ }
+ for (const ImageId aliased_id : left_aliased_ids) {
+ ImageBase& aliased = slot_images[aliased_id];
+ AddImageAlias(aliased, new_image_base, aliased_id, new_image_id);
+ new_image.flags |= ImageFlagBits::Alias;
+ }
+ for (const ImageId aliased_id : bad_overlap_ids) {
+ ImageBase& aliased = slot_images[aliased_id];
+ aliased.overlapping_images.push_back(new_image_id);
+ new_image.overlapping_images.push_back(aliased_id);
+ new_image.flags |= ImageFlagBits::BadOverlap;
+ }
+ RegisterImage(new_image_id);
+ return new_image_id;
+}
- /// Stop tracking CPU reads and writes for image
- void UntrackImage(ImageBase& image, ImageId image_id);
+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,
+ };
+}
- /// Delete image from the cache
- void DeleteImage(ImageId image);
+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;
+}
- /// Remove image views references from the cache
- void RemoveImageViewReferences(std::span<const ImageViewId> removed_views);
+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);
+}
- /// Remove framebuffers using the given image views from the cache
- void RemoveFramebuffers(std::span<const ImageViewId> removed_views);
+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);
+}
- /// Mark an image as modified from the GPU
- void MarkModification(ImageBase& image) noexcept;
+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));
+}
- /// Synchronize image aliases, copying data if needed
- void SynchronizeAliases(ImageId image_id);
+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;
+ boost::container::small_vector<ImageMapId, 32> maps;
+ ForEachCPUPage(cpu_addr, size, [this, &images, &maps, 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;
+ }
+ }
+ for (const ImageMapId map_id : it->second) {
+ ImageMapView& map = slot_map_views[map_id];
+ if (map.picked) {
+ continue;
+ }
+ if (!map.Overlaps(cpu_addr, size)) {
+ continue;
+ }
+ map.picked = true;
+ maps.push_back(map_id);
+ Image& image = slot_images[map.image_id];
+ if (True(image.flags & ImageFlagBits::Picked)) {
+ continue;
+ }
+ image.flags |= ImageFlagBits::Picked;
+ images.push_back(map.image_id);
+ if constexpr (BOOL_BREAK) {
+ if (func(map.image_id, image)) {
+ return true;
+ }
+ } else {
+ func(map.image_id, image);
+ }
+ }
+ if constexpr (BOOL_BREAK) {
+ return false;
+ }
+ });
+ for (const ImageId image_id : images) {
+ slot_images[image_id].flags &= ~ImageFlagBits::Picked;
+ }
+ for (const ImageMapId map_id : maps) {
+ slot_map_views[map_id].picked = false;
+ }
+}
- /// Prepare an image to be used
- void PrepareImage(ImageId image_id, bool is_modification, bool invalidate);
+template <class P>
+template <typename Func>
+void TextureCache<P>::ForEachImageInRegionGPU(GPUVAddr gpu_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, 8> images;
+ ForEachGPUPage(gpu_addr, size, [this, &images, gpu_addr, size, func](u64 page) {
+ const auto it = gpu_page_table.find(page);
+ if (it == gpu_page_table.end()) {
+ if constexpr (BOOL_BREAK) {
+ return false;
+ } else {
+ return;
+ }
+ }
+ for (const ImageId image_id : it->second) {
+ Image& image = slot_images[image_id];
+ if (True(image.flags & ImageFlagBits::Picked)) {
+ continue;
+ }
+ if (!image.OverlapsGPU(gpu_addr, size)) {
+ continue;
+ }
+ image.flags |= ImageFlagBits::Picked;
+ images.push_back(image_id);
+ if constexpr (BOOL_BREAK) {
+ if (func(image_id, image)) {
+ return true;
+ }
+ } else {
+ func(image_id, image);
+ }
+ }
+ if constexpr (BOOL_BREAK) {
+ return false;
+ }
+ });
+ for (const ImageId image_id : images) {
+ slot_images[image_id].flags &= ~ImageFlagBits::Picked;
+ }
+}
- /// Prepare an image view to be used
- void PrepareImageView(ImageViewId image_view_id, bool is_modification, bool invalidate);
+template <class P>
+template <typename Func>
+void TextureCache<P>::ForEachSparseImageInRegion(GPUVAddr gpu_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, 8> images;
+ ForEachGPUPage(gpu_addr, size, [this, &images, gpu_addr, size, func](u64 page) {
+ const auto it = sparse_page_table.find(page);
+ if (it == sparse_page_table.end()) {
+ if constexpr (BOOL_BREAK) {
+ return false;
+ } else {
+ return;
+ }
+ }
+ for (const ImageId image_id : it->second) {
+ Image& image = slot_images[image_id];
+ if (True(image.flags & ImageFlagBits::Picked)) {
+ continue;
+ }
+ if (!image.OverlapsGPU(gpu_addr, size)) {
+ continue;
+ }
+ image.flags |= ImageFlagBits::Picked;
+ images.push_back(image_id);
+ if constexpr (BOOL_BREAK) {
+ if (func(image_id, image)) {
+ return true;
+ }
+ } else {
+ func(image_id, image);
+ }
+ }
+ if constexpr (BOOL_BREAK) {
+ return false;
+ }
+ });
+ for (const ImageId image_id : images) {
+ slot_images[image_id].flags &= ~ImageFlagBits::Picked;
+ }
+}
- /// 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);
+template <class P>
+template <typename Func>
+void TextureCache<P>::ForEachSparseSegment(ImageBase& image, Func&& func) {
+ using FuncReturn = typename std::invoke_result<Func, GPUVAddr, VAddr, size_t>::type;
+ static constexpr bool RETURNS_BOOL = std::is_same_v<FuncReturn, bool>;
+ const auto segments = gpu_memory.GetSubmappedRange(image.gpu_addr, image.guest_size_bytes);
+ for (auto& segment : segments) {
+ const auto gpu_addr = segment.first;
+ const auto size = segment.second;
+ std::optional<VAddr> cpu_addr = gpu_memory.GpuToCpuAddress(gpu_addr);
+ ASSERT(cpu_addr);
+ if constexpr (RETURNS_BOOL) {
+ if (func(gpu_addr, *cpu_addr, size)) {
+ break;
+ }
+ } else {
+ func(gpu_addr, *cpu_addr, size);
+ }
+ }
+}
- /// Bind an image view as render target, downloading resources preemtively if needed
- void BindRenderTarget(ImageViewId* old_id, ImageViewId new_id);
+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;
+}
- /// Create a render target from a given image and image view parameters
- [[nodiscard]] std::pair<FramebufferId, ImageViewId> RenderTargetFromImage(
- ImageId, const ImageViewInfo& view_info);
+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;
+ u64 tentative_size = std::max(image.guest_size_bytes, image.unswizzled_size_bytes);
+ if ((IsPixelFormatASTC(image.info.format) &&
+ True(image.flags & ImageFlagBits::AcceleratedUpload)) ||
+ True(image.flags & ImageFlagBits::Converted)) {
+ tentative_size = EstimatedDecompressedSize(tentative_size, image.info.format);
+ }
+ total_used_memory += Common::AlignUp(tentative_size, 1024);
+ ForEachGPUPage(image.gpu_addr, image.guest_size_bytes,
+ [this, image_id](u64 page) { gpu_page_table[page].push_back(image_id); });
+ if (False(image.flags & ImageFlagBits::Sparse)) {
+ auto map_id =
+ slot_map_views.insert(image.gpu_addr, image.cpu_addr, image.guest_size_bytes, image_id);
+ ForEachCPUPage(image.cpu_addr, image.guest_size_bytes,
+ [this, map_id](u64 page) { page_table[page].push_back(map_id); });
+ image.map_view_id = map_id;
+ return;
+ }
+ std::vector<ImageViewId> sparse_maps{};
+ ForEachSparseSegment(
+ image, [this, image_id, &sparse_maps](GPUVAddr gpu_addr, VAddr cpu_addr, size_t size) {
+ auto map_id = slot_map_views.insert(gpu_addr, cpu_addr, size, image_id);
+ ForEachCPUPage(cpu_addr, size,
+ [this, map_id](u64 page) { page_table[page].push_back(map_id); });
+ sparse_maps.push_back(map_id);
+ });
+ sparse_views.emplace(image_id, std::move(sparse_maps));
+ ForEachGPUPage(image.gpu_addr, image.guest_size_bytes,
+ [this, image_id](u64 page) { sparse_page_table[page].push_back(image_id); });
+}
- /// Returns true if the current clear parameters clear the whole image of a given image view
- [[nodiscard]] bool IsFullClear(ImageViewId id);
+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;
+ image.flags &= ~ImageFlagBits::BadOverlap;
+ u64 tentative_size = std::max(image.guest_size_bytes, image.unswizzled_size_bytes);
+ if ((IsPixelFormatASTC(image.info.format) &&
+ True(image.flags & ImageFlagBits::AcceleratedUpload)) ||
+ True(image.flags & ImageFlagBits::Converted)) {
+ tentative_size = EstimatedDecompressedSize(tentative_size, image.info.format);
+ }
+ total_used_memory -= Common::AlignUp(tentative_size, 1024);
+ const auto& clear_page_table =
+ [this, image_id](
+ u64 page,
+ std::unordered_map<u64, std::vector<ImageId>, IdentityHash<u64>>& selected_page_table) {
+ const auto page_it = selected_page_table.find(page);
+ if (page_it == selected_page_table.end()) {
+ UNREACHABLE_MSG("Unregistering unregistered page=0x{:x}", page << PAGE_BITS);
+ return;
+ }
+ 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_BITS);
+ return;
+ }
+ image_ids.erase(vector_it);
+ };
+ ForEachGPUPage(image.gpu_addr, image.guest_size_bytes,
+ [this, &clear_page_table](u64 page) { clear_page_table(page, gpu_page_table); });
+ if (False(image.flags & ImageFlagBits::Sparse)) {
+ const auto map_id = image.map_view_id;
+ ForEachCPUPage(image.cpu_addr, image.guest_size_bytes, [this, map_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_BITS);
+ return;
+ }
+ std::vector<ImageMapId>& image_map_ids = page_it->second;
+ const auto vector_it = std::ranges::find(image_map_ids, map_id);
+ if (vector_it == image_map_ids.end()) {
+ UNREACHABLE_MSG("Unregistering unregistered image in page=0x{:x}",
+ page << PAGE_BITS);
+ return;
+ }
+ image_map_ids.erase(vector_it);
+ });
+ slot_map_views.erase(map_id);
+ return;
+ }
+ ForEachGPUPage(image.gpu_addr, image.guest_size_bytes, [this, &clear_page_table](u64 page) {
+ clear_page_table(page, sparse_page_table);
+ });
+ auto it = sparse_views.find(image_id);
+ ASSERT(it != sparse_views.end());
+ auto& sparse_maps = it->second;
+ for (auto& map_view_id : sparse_maps) {
+ const auto& map_range = slot_map_views[map_view_id];
+ const VAddr cpu_addr = map_range.cpu_addr;
+ const std::size_t size = map_range.size;
+ ForEachCPUPage(cpu_addr, size, [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_BITS);
+ return;
+ }
+ std::vector<ImageMapId>& image_map_ids = page_it->second;
+ auto vector_it = image_map_ids.begin();
+ while (vector_it != image_map_ids.end()) {
+ ImageMapView& map = slot_map_views[*vector_it];
+ if (map.image_id != image_id) {
+ vector_it++;
+ continue;
+ }
+ if (!map.picked) {
+ map.picked = true;
+ }
+ vector_it = image_map_ids.erase(vector_it);
+ }
+ });
+ slot_map_views.erase(map_view_id);
+ }
+ sparse_views.erase(it);
+}
- Runtime& runtime;
- VideoCore::RasterizerInterface& rasterizer;
- Tegra::Engines::Maxwell3D& maxwell3d;
- Tegra::Engines::KeplerCompute& kepler_compute;
- Tegra::MemoryManager& gpu_memory;
+template <class P>
+void TextureCache<P>::TrackImage(ImageBase& image, ImageId image_id) {
+ ASSERT(False(image.flags & ImageFlagBits::Tracked));
+ image.flags |= ImageFlagBits::Tracked;
+ if (False(image.flags & ImageFlagBits::Sparse)) {
+ rasterizer.UpdatePagesCachedCount(image.cpu_addr, image.guest_size_bytes, 1);
+ return;
+ }
+ if (True(image.flags & ImageFlagBits::Registered)) {
+ auto it = sparse_views.find(image_id);
+ ASSERT(it != sparse_views.end());
+ auto& sparse_maps = it->second;
+ for (auto& map_view_id : sparse_maps) {
+ const auto& map = slot_map_views[map_view_id];
+ const VAddr cpu_addr = map.cpu_addr;
+ const std::size_t size = map.size;
+ rasterizer.UpdatePagesCachedCount(cpu_addr, size, 1);
+ }
+ return;
+ }
+ ForEachSparseSegment(image,
+ [this]([[maybe_unused]] GPUVAddr gpu_addr, VAddr cpu_addr, size_t size) {
+ rasterizer.UpdatePagesCachedCount(cpu_addr, size, 1);
+ });
+}
- 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;
+template <class P>
+void TextureCache<P>::UntrackImage(ImageBase& image, ImageId image_id) {
+ ASSERT(True(image.flags & ImageFlagBits::Tracked));
+ image.flags &= ~ImageFlagBits::Tracked;
+ if (False(image.flags & ImageFlagBits::Sparse)) {
+ rasterizer.UpdatePagesCachedCount(image.cpu_addr, image.guest_size_bytes, -1);
+ return;
+ }
+ ASSERT(True(image.flags & ImageFlagBits::Registered));
+ auto it = sparse_views.find(image_id);
+ ASSERT(it != sparse_views.end());
+ auto& sparse_maps = it->second;
+ for (auto& map_view_id : sparse_maps) {
+ const auto& map = slot_map_views[map_view_id];
+ const VAddr cpu_addr = map.cpu_addr;
+ const std::size_t size = map.size;
+ rasterizer.UpdatePagesCachedCount(cpu_addr, size, -1);
+ }
+}
- 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;
+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{};
+ }
+ }
+ 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;
+ });
+ other_image.CheckAliasState();
+ ASSERT_MSG(num_removed_aliases == 1, "Invalid number of removed aliases: {}",
+ num_removed_aliases);
+ }
+ for (const ImageId overlap_id : image.overlapping_images) {
+ ImageBase& other_image = slot_images[overlap_id];
+ [[maybe_unused]] const size_t num_removed_overlaps = std::erase_if(
+ other_image.overlapping_images,
+ [image_id](const ImageId other_overlap_id) { return other_overlap_id == image_id; });
+ other_image.CheckBadOverlapState();
+ ASSERT_MSG(num_removed_overlaps == 1, "Invalid number of removed overlapps: {}",
+ num_removed_overlaps);
+ }
+ 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);
- RenderTargets render_targets;
+ 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;
+}
- std::unordered_map<TICEntry, ImageViewId> image_views;
- std::unordered_map<TSCEntry, SamplerId> samplers;
- std::unordered_map<RenderTargets, FramebufferId> framebuffers;
+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;
+ }
+ }
+}
- std::unordered_map<u64, std::vector<ImageMapId>, IdentityHash<u64>> page_table;
- std::unordered_map<u64, std::vector<ImageId>, IdentityHash<u64>> gpu_page_table;
- std::unordered_map<u64, std::vector<ImageId>, IdentityHash<u64>> sparse_page_table;
+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;
+ }
+ }
+}
- std::unordered_map<ImageId, std::vector<ImageViewId>> sparse_views;
+template <class P>
+void TextureCache<P>::MarkModification(ImageBase& image) noexcept {
+ image.flags |= ImageFlagBits::GpuModified;
+ image.modification_tick = ++modification_tick;
+}
- VAddr virtual_invalid_space{};
+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);
+ }
+}
- bool has_deleted_images = false;
- u64 total_used_memory = 0;
- u64 minimum_memory;
- u64 expected_memory;
- u64 critical_memory;
+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, image_id);
+ }
+ } else {
+ RefreshContents(image, image_id);
+ SynchronizeAliases(image_id);
+ }
+ if (is_modification) {
+ MarkModification(image);
+ }
+ image.frame_tick = frame_tick;
+}
- SlotVector<Image> slot_images;
- SlotVector<ImageMapView> slot_map_views;
- SlotVector<ImageView> slot_image_views;
- SlotVector<ImageAlloc> slot_image_allocs;
- SlotVector<Sampler> slot_samplers;
- SlotVector<Framebuffer> slot_framebuffers;
+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];
+ if (image_view.IsBuffer()) {
+ return;
+ }
+ PrepareImage(image_view.image_id, is_modification, invalidate);
+}
- // TODO: This data structure is not optimal and it should be reworked
- std::vector<ImageId> uncommitted_downloads;
- std::queue<std::vector<ImageId>> committed_downloads;
+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);
+
+ runtime.ConvertImage(dst_framebuffer, dst_view, src_view);
+ }
+}
- 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;
+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::unordered_map<GPUVAddr, ImageAllocId> image_allocs_table;
+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};
+}
- u64 modification_tick = 0;
- u64 frame_tick = 0;
- typename SlotVector<Image>::Iterator deletion_iterator;
-};
+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