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https://github.com/yuzu-emu/yuzu.git
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rasterizer_cache: Refactor to support in-order flushing.
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0e59291310
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@ -15,45 +15,73 @@
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#include "video_core/rasterizer_interface.h"
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#include "video_core/renderer_base.h"
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class RasterizerCacheObject {
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public:
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/// Gets the address of the shader in guest memory, required for cache management
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virtual VAddr GetAddr() const = 0;
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/// Gets the size of the shader in guest memory, required for cache management
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virtual std::size_t GetSizeInBytes() const = 0;
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/// Wriets any cached resources back to memory
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virtual void Flush() = 0;
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/// Sets whether the cached object should be considered registered
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void SetIsRegistered(bool registered) {
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is_registered = registered;
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}
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/// Returns true if the cached object is registered
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bool IsRegistered() const {
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return is_registered;
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}
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/// Returns true if the cached object is dirty
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bool IsDirty() const {
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return is_dirty;
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}
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/// Returns ticks from when this cached object was last modified
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u64 GetLastModifiedTicks() const {
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return last_modified_ticks;
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}
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/// Marks an object as recently modified, used to specify whether it is clean or dirty
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template <class T>
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void MarkAsModified(bool dirty, T& cache) {
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is_dirty = dirty;
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last_modified_ticks = cache.GetModifiedTicks();
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}
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private:
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bool is_registered{}; ///< Whether the object is currently registered with the cache
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bool is_dirty{}; ///< Whether the object is dirty (out of sync with guest memory)
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u64 last_modified_ticks{}; ///< When the object was last modified, used for in-order flushing
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};
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template <class T>
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class RasterizerCache : NonCopyable {
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friend class RasterizerCacheObject;
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public:
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/// Write any cached resources overlapping the region back to memory (if dirty)
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/// Write any cached resources overlapping the specified region back to memory
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void FlushRegion(Tegra::GPUVAddr addr, size_t size) {
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if (size == 0)
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return;
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const ObjectInterval interval{addr, addr + size};
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for (auto& pair : boost::make_iterator_range(object_cache.equal_range(interval))) {
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for (auto& cached_object : pair.second) {
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if (!cached_object)
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continue;
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cached_object->Flush();
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}
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const auto& objects{GetSortedObjectsFromRegion(addr, size)};
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for (auto& object : objects) {
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FlushObject(object);
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}
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}
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/// Mark the specified region as being invalidated
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void InvalidateRegion(VAddr addr, u64 size) {
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if (size == 0)
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return;
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const ObjectInterval interval{addr, addr + size};
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for (auto& pair : boost::make_iterator_range(object_cache.equal_range(interval))) {
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for (auto& cached_object : pair.second) {
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if (!cached_object)
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continue;
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remove_objects.emplace(cached_object);
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const auto& objects{GetSortedObjectsFromRegion(addr, size)};
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for (auto& object : objects) {
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if (!object->IsRegistered()) {
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// Skip duplicates
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continue;
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}
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Unregister(object);
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}
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for (auto& remove_object : remove_objects) {
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Unregister(remove_object);
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}
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remove_objects.clear();
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}
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/// Invalidates everything in the cache
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@ -79,6 +107,7 @@ protected:
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/// Register an object into the cache
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void Register(const T& object) {
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object->SetIsRegistered(true);
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object_cache.add({GetInterval(object), ObjectSet{object}});
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auto& rasterizer = Core::System::GetInstance().Renderer().Rasterizer();
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rasterizer.UpdatePagesCachedCount(object->GetAddr(), object->GetSizeInBytes(), 1);
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@ -86,18 +115,57 @@ protected:
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/// Unregisters an object from the cache
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void Unregister(const T& object) {
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object->SetIsRegistered(false);
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auto& rasterizer = Core::System::GetInstance().Renderer().Rasterizer();
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rasterizer.UpdatePagesCachedCount(object->GetAddr(), object->GetSizeInBytes(), -1);
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// Only flush if use_accurate_framebuffers is enabled, as it incurs a performance hit
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if (Settings::values.use_accurate_framebuffers) {
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// Only flush if use_accurate_framebuffers is enabled, as it incurs a performance hit
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object->Flush();
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FlushObject(object);
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}
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object_cache.subtract({GetInterval(object), ObjectSet{object}});
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}
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/// Returns a ticks counter used for tracking when cached objects were last modified
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u64 GetModifiedTicks() {
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return ++modified_ticks;
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}
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private:
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/// Returns a list of cached objects from the specified memory region, ordered by access time
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std::vector<T> GetSortedObjectsFromRegion(VAddr addr, u64 size) {
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if (size == 0) {
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return {};
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}
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std::vector<T> objects;
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const ObjectInterval interval{addr, addr + size};
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for (auto& pair : boost::make_iterator_range(object_cache.equal_range(interval))) {
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for (auto& cached_object : pair.second) {
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if (!cached_object) {
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continue;
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}
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objects.push_back(cached_object);
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}
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}
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std::sort(objects.begin(), objects.end(), [](const T& a, const T& b) -> bool {
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return a->GetLastModifiedTicks() < b->GetLastModifiedTicks();
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});
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return objects;
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}
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/// Flushes the specified object, updating appropriate cache state as needed
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void FlushObject(const T& object) {
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if (!object->IsDirty()) {
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return;
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}
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object->Flush();
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object->MarkAsModified(false, *this);
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}
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using ObjectSet = std::set<T>;
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using ObjectCache = boost::icl::interval_map<VAddr, ObjectSet>;
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using ObjectInterval = typename ObjectCache::interval_type;
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@ -107,6 +175,6 @@ private:
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object->GetAddr() + object->GetSizeInBytes());
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}
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ObjectCache object_cache;
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ObjectSet remove_objects;
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ObjectCache object_cache; ///< Cache of objects
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u64 modified_ticks{}; ///< Counter of cache state ticks, used for in-order flushing
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};
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@ -15,17 +15,17 @@
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namespace OpenGL {
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struct CachedBufferEntry final {
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VAddr GetAddr() const {
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struct CachedBufferEntry final : public RasterizerCacheObject {
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VAddr GetAddr() const override {
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return addr;
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}
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std::size_t GetSizeInBytes() const {
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std::size_t GetSizeInBytes() const override {
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return size;
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}
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// We do not have to flush this cache as things in it are never modified by us.
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void Flush() {}
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void Flush() override {}
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VAddr addr;
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std::size_t size;
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@ -428,7 +428,7 @@ void RasterizerOpenGL::ConfigureFramebuffers(bool using_color_fb, bool using_dep
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if (color_surface) {
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// Assume that a surface will be written to if it is used as a framebuffer, even if
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// the shader doesn't actually write to it.
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color_surface->MarkAsDirty();
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color_surface->MarkAsModified(true, res_cache);
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}
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glFramebufferTexture2D(
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@ -445,7 +445,7 @@ void RasterizerOpenGL::ConfigureFramebuffers(bool using_color_fb, bool using_dep
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if (color_surface) {
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// Assume that a surface will be written to if it is used as a framebuffer, even
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// if the shader doesn't actually write to it.
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color_surface->MarkAsDirty();
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color_surface->MarkAsModified(true, res_cache);
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}
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buffers[index] = GL_COLOR_ATTACHMENT0 + regs.rt_control.GetMap(index);
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@ -469,7 +469,7 @@ void RasterizerOpenGL::ConfigureFramebuffers(bool using_color_fb, bool using_dep
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if (depth_surface) {
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// Assume that a surface will be written to if it is used as a framebuffer, even if
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// the shader doesn't actually write to it.
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depth_surface->MarkAsDirty();
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depth_surface->MarkAsModified(true, res_cache);
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if (regs.stencil_enable) {
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// Attach both depth and stencil
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@ -642,9 +642,6 @@ void RasterizerOpenGL::FlushRegion(VAddr addr, u64 size) {
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// Only flush if use_accurate_framebuffers is enabled, as it incurs a performance hit
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res_cache.FlushRegion(addr, size);
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}
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shader_cache.FlushRegion(addr, size);
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buffer_cache.FlushRegion(addr, size);
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}
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void RasterizerOpenGL::InvalidateRegion(VAddr addr, u64 size) {
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@ -905,8 +905,6 @@ void CachedSurface::LoadGLBuffer() {
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}
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ConvertFormatAsNeeded_LoadGLBuffer(gl_buffer, params.pixel_format, params.width, params.height);
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dirty = false;
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}
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MICROPROFILE_DEFINE(OpenGL_SurfaceFlush, "OpenGL", "Surface Flush", MP_RGB(128, 192, 64));
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@ -1111,6 +1109,7 @@ Surface RasterizerCacheOpenGL::GetColorBufferSurface(std::size_t index, bool pre
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void RasterizerCacheOpenGL::LoadSurface(const Surface& surface) {
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surface->LoadGLBuffer();
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surface->UploadGLTexture(read_framebuffer.handle, draw_framebuffer.handle);
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surface->MarkAsModified(false, *this);
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}
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Surface RasterizerCacheOpenGL::GetSurface(const SurfaceParams& params, bool preserve_contents) {
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@ -819,28 +819,20 @@ struct hash<SurfaceReserveKey> {
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namespace OpenGL {
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class CachedSurface final {
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class CachedSurface final : public RasterizerCacheObject {
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public:
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CachedSurface(const SurfaceParams& params);
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VAddr GetAddr() const {
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VAddr GetAddr() const override {
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return params.addr;
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}
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std::size_t GetSizeInBytes() const {
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std::size_t GetSizeInBytes() const override {
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return cached_size_in_bytes;
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}
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void Flush() {
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// There is no need to flush the surface if it hasn't been modified by us.
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if (!dirty)
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return;
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void Flush() override {
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FlushGLBuffer();
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dirty = false;
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}
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void MarkAsDirty() {
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dirty = true;
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}
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const OGLTexture& Texture() const {
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@ -868,7 +860,6 @@ private:
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SurfaceParams params;
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GLenum gl_target;
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std::size_t cached_size_in_bytes;
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bool dirty = false;
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};
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class RasterizerCacheOpenGL final : public RasterizerCache<Surface> {
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@ -19,22 +19,20 @@ class CachedShader;
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using Shader = std::shared_ptr<CachedShader>;
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using Maxwell = Tegra::Engines::Maxwell3D::Regs;
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class CachedShader final {
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class CachedShader final : public RasterizerCacheObject {
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public:
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CachedShader(VAddr addr, Maxwell::ShaderProgram program_type);
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/// Gets the address of the shader in guest memory, required for cache management
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VAddr GetAddr() const {
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VAddr GetAddr() const override {
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return addr;
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}
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/// Gets the size of the shader in guest memory, required for cache management
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std::size_t GetSizeInBytes() const {
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std::size_t GetSizeInBytes() const override {
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return GLShader::MAX_PROGRAM_CODE_LENGTH * sizeof(u64);
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}
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// We do not have to flush this cache as things in it are never modified by us.
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void Flush() {}
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void Flush() override {}
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/// Gets the shader entries for the shader
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const GLShader::ShaderEntries& GetShaderEntries() const {
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