vk_pipeline_cache,shader_notify: Add shader notifications

src/video_core/renderer_vulkan/vk_compute_pipeline.cpp

@@ -14,6 +14,7 @@
 #include "video_core/renderer_vulkan/vk_pipeline_cache.h"
 #include "video_core/renderer_vulkan/vk_scheduler.h"
 #include "video_core/renderer_vulkan/vk_update_descriptor.h"
+#include "video_core/shader_notify.h"
 #include "video_core/vulkan_common/vulkan_device.h"
 #include "video_core/vulkan_common/vulkan_wrapper.h"
 
@@ -24,14 +25,18 @@ using Tegra::Texture::TexturePair;
 
 ComputePipeline::ComputePipeline(const Device& device_, DescriptorPool& descriptor_pool,
                                  VKUpdateDescriptorQueue& update_descriptor_queue_,
-                                 Common::ThreadWorker* thread_worker, const Shader::Info& info_,
+                                 Common::ThreadWorker* thread_worker,
+                                 VideoCore::ShaderNotify* shader_notify, const Shader::Info& info_,
                                  vk::ShaderModule spv_module_)
     : device{device_}, update_descriptor_queue{update_descriptor_queue_}, info{info_},
       spv_module(std::move(spv_module_)) {
+    if (shader_notify) {
+        shader_notify->MarkShaderBuilding();
+    }
     std::copy_n(info.constant_buffer_used_sizes.begin(), uniform_buffer_sizes.size(),
                 uniform_buffer_sizes.begin());
 
-    auto func{[this, &descriptor_pool] {
+    auto func{[this, &descriptor_pool, shader_notify] {
         DescriptorLayoutBuilder builder{device.GetLogical()};
         builder.Add(info, VK_SHADER_STAGE_COMPUTE_BIT);
 
@@ -66,6 +71,9 @@ ComputePipeline::ComputePipeline(const Device& device_, DescriptorPool& descript
         std::lock_guard lock{build_mutex};
         is_built = true;
         build_condvar.notify_one();
+        if (shader_notify) {
+            shader_notify->MarkShaderComplete();
+        }
     }};
     if (thread_worker) {
         thread_worker->QueueWork(std::move(func));

src/video_core/renderer_vulkan/vk_compute_pipeline.h

@@ -18,6 +18,10 @@
 #include "video_core/renderer_vulkan/vk_update_descriptor.h"
 #include "video_core/vulkan_common/vulkan_wrapper.h"
 
+namespace VideoCore {
+class ShaderNotify;
+}
+
 namespace Vulkan {
 
 class Device;
@@ -27,7 +31,8 @@ class ComputePipeline {
 public:
     explicit ComputePipeline(const Device& device, DescriptorPool& descriptor_pool,
                              VKUpdateDescriptorQueue& update_descriptor_queue,
-                             Common::ThreadWorker* thread_worker, const Shader::Info& info,
+                             Common::ThreadWorker* thread_worker,
+                             VideoCore::ShaderNotify* shader_notify, const Shader::Info& info,
                              vk::ShaderModule spv_module);
 
     ComputePipeline& operator=(ComputePipeline&&) noexcept = delete;

src/video_core/renderer_vulkan/vk_graphics_pipeline.cpp

@@ -17,6 +17,7 @@
 #include "video_core/renderer_vulkan/vk_scheduler.h"
 #include "video_core/renderer_vulkan/vk_texture_cache.h"
 #include "video_core/renderer_vulkan/vk_update_descriptor.h"
+#include "video_core/shader_notify.h"
 #include "video_core/vulkan_common/vulkan_device.h"
 
 #if defined(_MSC_VER) && defined(NDEBUG)
@@ -203,30 +204,30 @@ ConfigureFuncPtr ConfigureFunc(const std::array<vk::ShaderModule, NUM_STAGES>& m
 }
 } // Anonymous namespace
 
-GraphicsPipeline::GraphicsPipeline(Tegra::Engines::Maxwell3D& maxwell3d_,
-                                   Tegra::MemoryManager& gpu_memory_, VKScheduler& scheduler_,
-                                   BufferCache& buffer_cache_, TextureCache& texture_cache_,
-                                   const Device& device_, DescriptorPool& descriptor_pool,
-                                   VKUpdateDescriptorQueue& update_descriptor_queue_,
-                                   Common::ThreadWorker* worker_thread,
-                                   RenderPassCache& render_pass_cache,
-                                   const GraphicsPipelineCacheKey& key_,
-                                   std::array<vk::ShaderModule, NUM_STAGES> stages,
-                                   const std::array<const Shader::Info*, NUM_STAGES>& infos)
+GraphicsPipeline::GraphicsPipeline(
+    Tegra::Engines::Maxwell3D& maxwell3d_, Tegra::MemoryManager& gpu_memory_,
+    VKScheduler& scheduler_, BufferCache& buffer_cache_, TextureCache& texture_cache_,
+    VideoCore::ShaderNotify* shader_notify, const Device& device_, DescriptorPool& descriptor_pool,
+    VKUpdateDescriptorQueue& update_descriptor_queue_, Common::ThreadWorker* worker_thread,
+    RenderPassCache& render_pass_cache, const GraphicsPipelineCacheKey& key_,
+    std::array<vk::ShaderModule, NUM_STAGES> stages,
+    const std::array<const Shader::Info*, NUM_STAGES>& infos)
     : key{key_}, maxwell3d{maxwell3d_}, gpu_memory{gpu_memory_}, device{device_},
       texture_cache{texture_cache_}, buffer_cache{buffer_cache_}, scheduler{scheduler_},
       update_descriptor_queue{update_descriptor_queue_}, spv_modules{std::move(stages)} {
-    std::ranges::transform(infos, stage_infos.begin(),
-                           [](const Shader::Info* info) { return info ? *info : Shader::Info{}; });
+    if (shader_notify) {
+        shader_notify->MarkShaderBuilding();
+    }
     for (size_t stage = 0; stage < NUM_STAGES; ++stage) {
         const Shader::Info* const info{infos[stage]};
         if (!info) {
             continue;
         }
+        stage_infos[stage] = *info;
         enabled_uniform_buffer_masks[stage] = info->constant_buffer_mask;
         std::ranges::copy(info->constant_buffer_used_sizes, uniform_buffer_sizes[stage].begin());
     }
-    auto func{[this, &render_pass_cache, &descriptor_pool] {
+    auto func{[this, shader_notify, &render_pass_cache, &descriptor_pool] {
         DescriptorLayoutBuilder builder{MakeBuilder(device, stage_infos)};
         descriptor_set_layout = builder.CreateDescriptorSetLayout();
         descriptor_allocator = descriptor_pool.Allocator(*descriptor_set_layout, stage_infos);
@@ -242,6 +243,9 @@ GraphicsPipeline::GraphicsPipeline(Tegra::Engines::Maxwell3D& maxwell3d_,
         std::lock_guard lock{build_mutex};
         is_built = true;
         build_condvar.notify_one();
+        if (shader_notify) {
+            shader_notify->MarkShaderComplete();
+        }
     }};
     if (worker_thread) {
         worker_thread->QueueWork(std::move(func));

src/video_core/renderer_vulkan/vk_graphics_pipeline.h

@@ -20,6 +20,10 @@
 #include "video_core/renderer_vulkan/vk_texture_cache.h"
 #include "video_core/vulkan_common/vulkan_wrapper.h"
 
+namespace VideoCore {
+class ShaderNotify;
+}
+
 namespace Vulkan {
 
 struct GraphicsPipelineCacheKey {
@@ -64,16 +68,14 @@ class GraphicsPipeline {
     static constexpr size_t NUM_STAGES = Tegra::Engines::Maxwell3D::Regs::MaxShaderStage;
 
 public:
-    explicit GraphicsPipeline(Tegra::Engines::Maxwell3D& maxwell3d,
-                              Tegra::MemoryManager& gpu_memory, VKScheduler& scheduler,
-                              BufferCache& buffer_cache, TextureCache& texture_cache,
-                              const Device& device, DescriptorPool& descriptor_pool,
-                              VKUpdateDescriptorQueue& update_descriptor_queue,
-                              Common::ThreadWorker* worker_thread,
-                              RenderPassCache& render_pass_cache,
-                              const GraphicsPipelineCacheKey& key,
-                              std::array<vk::ShaderModule, NUM_STAGES> stages,
-                              const std::array<const Shader::Info*, NUM_STAGES>& infos);
+    explicit GraphicsPipeline(
+        Tegra::Engines::Maxwell3D& maxwell3d, Tegra::MemoryManager& gpu_memory,
+        VKScheduler& scheduler, BufferCache& buffer_cache, TextureCache& texture_cache,
+        VideoCore::ShaderNotify* shader_notify, const Device& device,
+        DescriptorPool& descriptor_pool, VKUpdateDescriptorQueue& update_descriptor_queue,
+        Common::ThreadWorker* worker_thread, RenderPassCache& render_pass_cache,
+        const GraphicsPipelineCacheKey& key, std::array<vk::ShaderModule, NUM_STAGES> stages,
+        const std::array<const Shader::Info*, NUM_STAGES>& infos);
 
     GraphicsPipeline& operator=(GraphicsPipeline&&) noexcept = delete;
     GraphicsPipeline(GraphicsPipeline&&) noexcept = delete;

src/video_core/renderer_vulkan/vk_pipeline_cache.cpp

@@ -235,11 +235,11 @@ PipelineCache::PipelineCache(RasterizerVulkan& rasterizer_, Tegra::Engines::Maxw
                              VKScheduler& scheduler_, DescriptorPool& descriptor_pool_,
                              VKUpdateDescriptorQueue& update_descriptor_queue_,
                              RenderPassCache& render_pass_cache_, BufferCache& buffer_cache_,
-                             TextureCache& texture_cache_)
+                             TextureCache& texture_cache_, VideoCore::ShaderNotify& shader_notify_)
     : VideoCommon::ShaderCache{rasterizer_, gpu_memory_, maxwell3d_, kepler_compute_},
       device{device_}, scheduler{scheduler_}, descriptor_pool{descriptor_pool_},
       update_descriptor_queue{update_descriptor_queue_}, render_pass_cache{render_pass_cache_},
-      buffer_cache{buffer_cache_}, texture_cache{texture_cache_},
+      buffer_cache{buffer_cache_}, texture_cache{texture_cache_}, shader_notify{shader_notify_},
       use_asynchronous_shaders{Settings::values.use_asynchronous_shaders.GetValue()},
       workers(std::max(std::thread::hardware_concurrency(), 2U) - 1, "yuzu:PipelineBuilder"),
       serialization_thread(1, "yuzu:PipelineSerialization") {
@@ -307,19 +307,7 @@ GraphicsPipeline* PipelineCache::CurrentGraphicsPipeline() {
             return BuiltPipeline(current_pipeline);
         }
     }
-    const auto [pair, is_new]{graphics_cache.try_emplace(graphics_key)};
-    auto& pipeline{pair->second};
-    if (is_new) {
-        pipeline = CreateGraphicsPipeline();
-    }
-    if (!pipeline) {
-        return nullptr;
-    }
-    if (current_pipeline) {
-        current_pipeline->AddTransition(pipeline.get());
-    }
-    current_pipeline = pipeline.get();
-    return BuiltPipeline(current_pipeline);
+    return CurrentGraphicsPipelineSlowPath();
 }
 
 ComputePipeline* PipelineCache::CurrentComputePipeline() {
@@ -416,6 +404,22 @@ void PipelineCache::LoadDiskResources(u64 title_id, std::stop_token stop_loading
     workers.WaitForRequests();
 }
 
+GraphicsPipeline* PipelineCache::CurrentGraphicsPipelineSlowPath() {
+    const auto [pair, is_new]{graphics_cache.try_emplace(graphics_key)};
+    auto& pipeline{pair->second};
+    if (is_new) {
+        pipeline = CreateGraphicsPipeline();
+    }
+    if (!pipeline) {
+        return nullptr;
+    }
+    if (current_pipeline) {
+        current_pipeline->AddTransition(pipeline.get());
+    }
+    current_pipeline = pipeline.get();
+    return BuiltPipeline(current_pipeline);
+}
+
 GraphicsPipeline* PipelineCache::BuiltPipeline(GraphicsPipeline* pipeline) const noexcept {
     if (pipeline->IsBuilt()) {
         return pipeline;
@@ -484,14 +488,16 @@ std::unique_ptr<GraphicsPipeline> PipelineCache::CreateGraphicsPipeline(
         device.SaveShader(code);
         modules[stage_index] = BuildShader(device, code);
         if (device.HasDebuggingToolAttached()) {
-            const std::string name{fmt::format("{:016x}", key.unique_hashes[index])};
+            const std::string name{fmt::format("Shader {:016x}", key.unique_hashes[index])};
             modules[stage_index].SetObjectNameEXT(name.c_str());
         }
     }
     Common::ThreadWorker* const thread_worker{build_in_parallel ? &workers : nullptr};
-    return std::make_unique<GraphicsPipeline>(
-        maxwell3d, gpu_memory, scheduler, buffer_cache, texture_cache, device, descriptor_pool,
-        update_descriptor_queue, thread_worker, render_pass_cache, key, std::move(modules), infos);
+    VideoCore::ShaderNotify* const notify{build_in_parallel ? &shader_notify : nullptr};
+    return std::make_unique<GraphicsPipeline>(maxwell3d, gpu_memory, scheduler, buffer_cache,
+                                              texture_cache, notify, device, descriptor_pool,
+                                              update_descriptor_queue, thread_worker,
+                                              render_pass_cache, key, std::move(modules), infos);
 
 } catch (const Shader::Exception& exception) {
     LOG_ERROR(Render_Vulkan, "{}", exception.what());
@@ -550,12 +556,14 @@ std::unique_ptr<ComputePipeline> PipelineCache::CreateComputePipeline(
     device.SaveShader(code);
     vk::ShaderModule spv_module{BuildShader(device, code)};
     if (device.HasDebuggingToolAttached()) {
-        const auto name{fmt::format("{:016x}", key.unique_hash)};
+        const auto name{fmt::format("Shader {:016x}", key.unique_hash)};
         spv_module.SetObjectNameEXT(name.c_str());
     }
     Common::ThreadWorker* const thread_worker{build_in_parallel ? &workers : nullptr};
+    VideoCore::ShaderNotify* const notify{build_in_parallel ? &shader_notify : nullptr};
     return std::make_unique<ComputePipeline>(device, descriptor_pool, update_descriptor_queue,
-                                             thread_worker, program.info, std::move(spv_module));
+                                             thread_worker, notify, program.info,
+                                             std::move(spv_module));
 
 } catch (const Shader::Exception& exception) {
     LOG_ERROR(Render_Vulkan, "{}", exception.what());

src/video_core/renderer_vulkan/vk_pipeline_cache.h

@@ -38,6 +38,10 @@ namespace Shader::IR {
 struct Program;
 }
 
+namespace VideoCore {
+class ShaderNotify;
+}
+
 namespace Vulkan {
 
 using Maxwell = Tegra::Engines::Maxwell3D::Regs;
@@ -104,7 +108,7 @@ public:
                            VKScheduler& scheduler, DescriptorPool& descriptor_pool,
                            VKUpdateDescriptorQueue& update_descriptor_queue,
                            RenderPassCache& render_pass_cache, BufferCache& buffer_cache,
-                           TextureCache& texture_cache);
+                           TextureCache& texture_cache, VideoCore::ShaderNotify& shader_notify_);
     ~PipelineCache();
 
     [[nodiscard]] GraphicsPipeline* CurrentGraphicsPipeline();
@@ -115,6 +119,8 @@ public:
                            const VideoCore::DiskResourceLoadCallback& callback);
 
 private:
+    [[nodiscard]] GraphicsPipeline* CurrentGraphicsPipelineSlowPath();
+
     [[nodiscard]] GraphicsPipeline* BuiltPipeline(GraphicsPipeline* pipeline) const noexcept;
 
     std::unique_ptr<GraphicsPipeline> CreateGraphicsPipeline();
@@ -138,6 +144,7 @@ private:
     RenderPassCache& render_pass_cache;
     BufferCache& buffer_cache;
     TextureCache& texture_cache;
+    VideoCore::ShaderNotify& shader_notify;
 
     GraphicsPipelineCacheKey graphics_key{};
     GraphicsPipeline* current_pipeline{};

src/video_core/renderer_vulkan/vk_rasterizer.cpp

@@ -140,7 +140,7 @@ RasterizerVulkan::RasterizerVulkan(Core::Frontend::EmuWindow& emu_window_, Tegra
       buffer_cache(*this, maxwell3d, kepler_compute, gpu_memory, cpu_memory_, buffer_cache_runtime),
       pipeline_cache(*this, maxwell3d, kepler_compute, gpu_memory, device, scheduler,
                      descriptor_pool, update_descriptor_queue, render_pass_cache, buffer_cache,
-                     texture_cache),
+                     texture_cache, gpu.ShaderNotify()),
       query_cache{*this, maxwell3d, gpu_memory, device, scheduler}, accelerate_dma{ buffer_cache },
       fence_manager(*this, gpu, texture_cache, buffer_cache, query_cache, device, scheduler),
       wfi_event(device.GetLogical().CreateEvent()) {

src/video_core/shader_notify.cpp

@@ -2,42 +2,35 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#include <mutex>
+#include <atomic>
+#include <chrono>
+#include <optional>
+
 #include "video_core/shader_notify.h"
 
 using namespace std::chrono_literals;
 
 namespace VideoCore {
-namespace {
-constexpr auto UPDATE_TICK = 32ms;
-}
-
-ShaderNotify::ShaderNotify() = default;
-ShaderNotify::~ShaderNotify() = default;
 
-std::size_t ShaderNotify::GetShadersBuilding() {
-    const auto now = std::chrono::high_resolution_clock::now();
-    const auto diff = now - last_update;
-    if (diff > UPDATE_TICK) {
-        std::shared_lock lock(mutex);
-        last_updated_count = accurate_count;
+const auto TIME_TO_STOP_REPORTING = 2s;
+
+int ShaderNotify::ShadersBuilding() noexcept {
+    const int now_complete = num_complete.load(std::memory_order::relaxed);
+    const int now_building = num_building.load(std::memory_order::relaxed);
+    if (now_complete == now_building) {
+        const auto now = std::chrono::high_resolution_clock::now();
+        if (completed && num_complete == num_when_completed) {
+            if (now - complete_time > TIME_TO_STOP_REPORTING) {
+                report_base = now_complete;
+                completed = false;
+            }
+        } else {
+            completed = true;
+            num_when_completed = num_complete;
+            complete_time = now;
+        }
     }
-    return last_updated_count;
-}
-
-std::size_t ShaderNotify::GetShadersBuildingAccurate() {
-    std::shared_lock lock{mutex};
-    return accurate_count;
-}
-
-void ShaderNotify::MarkShaderComplete() {
-    std::unique_lock lock{mutex};
-    accurate_count--;
-}
-
-void ShaderNotify::MarkSharderBuilding() {
-    std::unique_lock lock{mutex};
-    accurate_count++;
+    return now_building - report_base;
 }
 
 } // namespace VideoCore

src/video_core/shader_notify.h

@@ -4,26 +4,30 @@
 
 #pragma once
 
+#include <atomic>
 #include <chrono>
-#include <shared_mutex>
-#include "common/common_types.h"
+#include <optional>
 
 namespace VideoCore {
 class ShaderNotify {
 public:
-    ShaderNotify();
-    ~ShaderNotify();
+    [[nodiscard]] int ShadersBuilding() noexcept;
 
-    std::size_t GetShadersBuilding();
-    std::size_t GetShadersBuildingAccurate();
+    void MarkShaderComplete() noexcept {
+        ++num_complete;
+    }
 
-    void MarkShaderComplete();
-    void MarkSharderBuilding();
+    void MarkShaderBuilding() noexcept {
+        ++num_building;
+    }
 
 private:
-    std::size_t last_updated_count{};
-    std::size_t accurate_count{};
-    std::shared_mutex mutex;
-    std::chrono::high_resolution_clock::time_point last_update{};
+    std::atomic_int num_building{};
+    std::atomic_int num_complete{};
+    int report_base{};
+
+    bool completed{};
+    int num_when_completed{};
+    std::chrono::high_resolution_clock::time_point complete_time;
 };
 } // namespace VideoCore

src/yuzu/main.cpp

@@ -2900,13 +2900,13 @@ void GMainWindow::UpdateStatusBar() {
         return;
     }
 
-    auto results = Core::System::GetInstance().GetAndResetPerfStats();
-    auto& shader_notify = Core::System::GetInstance().GPU().ShaderNotify();
-    const auto shaders_building = shader_notify.GetShadersBuilding();
+    auto& system = Core::System::GetInstance();
+    auto results = system.GetAndResetPerfStats();
+    auto& shader_notify = system.GPU().ShaderNotify();
+    const int shaders_building = shader_notify.ShadersBuilding();
 
-    if (shaders_building != 0) {
-        shader_building_label->setText(
-            tr("Building: %n shader(s)", "", static_cast<int>(shaders_building)));
+    if (shaders_building > 0) {
+        shader_building_label->setText(tr("Building: %n shader(s)", "", shaders_building));
         shader_building_label->setVisible(true);
     } else {
         shader_building_label->setVisible(false);