11 files changed, 98 insertions, 14 deletions

diff --git a/src/video_core/renderer_vulkan/vk_device.cpp b/src/video_core/renderer_vulkan/vk_device.cpp
index 0c03e4d83..ebcfaa0e3 100644
--- a/src/video_core/renderer_vulkan/vk_device.cpp
+++ b/src/video_core/renderer_vulkan/vk_device.cpp
@@ -382,6 +382,8 @@ bool VKDevice::Create() {
 
     graphics_queue = logical.GetQueue(graphics_family);
     present_queue = logical.GetQueue(present_family);
+
+    use_asynchronous_shaders = Settings::values.use_asynchronous_shaders.GetValue();
     return true;
 }
 
diff --git a/src/video_core/renderer_vulkan/vk_device.h b/src/video_core/renderer_vulkan/vk_device.h
index 529744f2d..30cd3e189 100644
--- a/src/video_core/renderer_vulkan/vk_device.h
+++ b/src/video_core/renderer_vulkan/vk_device.h
@@ -202,6 +202,10 @@ public:
         return reported_extensions;
     }
 
+    bool UseAsynchronousShaders() const {
+        return use_asynchronous_shaders;
+    }
+
     /// Checks if the physical device is suitable.
     static bool IsSuitable(vk::PhysicalDevice physical, VkSurfaceKHR surface);
 
@@ -251,6 +255,7 @@ private:
     bool ext_custom_border_color{};            ///< Support for VK_EXT_custom_border_color.
     bool ext_extended_dynamic_state{};         ///< Support for VK_EXT_extended_dynamic_state.
     bool nv_device_diagnostics_config{};       ///< Support for VK_NV_device_diagnostics_config.
+    bool use_asynchronous_shaders{};
 
     // Telemetry parameters
     std::string vendor_name;                      ///< Device's driver name.
diff --git a/src/video_core/renderer_vulkan/vk_fence_manager.cpp b/src/video_core/renderer_vulkan/vk_fence_manager.cpp
index a02be5487..d7f65d435 100644
--- a/src/video_core/renderer_vulkan/vk_fence_manager.cpp
+++ b/src/video_core/renderer_vulkan/vk_fence_manager.cpp
@@ -29,7 +29,7 @@ void InnerFence::Queue() {
     }
     ASSERT(!event);
 
-    event = device.GetLogical().CreateEvent();
+    event = device.GetLogical().CreateNewEvent();
     ticks = scheduler.Ticks();
 
     scheduler.RequestOutsideRenderPassOperationContext();
diff --git a/src/video_core/renderer_vulkan/vk_graphics_pipeline.cpp b/src/video_core/renderer_vulkan/vk_graphics_pipeline.cpp
index aaf930b90..7d51b9836 100644
--- a/src/video_core/renderer_vulkan/vk_graphics_pipeline.cpp
+++ b/src/video_core/renderer_vulkan/vk_graphics_pipeline.cpp
@@ -84,9 +84,8 @@ VKGraphicsPipeline::VKGraphicsPipeline(const VKDevice& device, VKScheduler& sche
       update_descriptor_queue{update_descriptor_queue}, layout{CreatePipelineLayout()},
       descriptor_template{CreateDescriptorUpdateTemplate(program)}, modules{CreateShaderModules(
                                                                         program)},
-      renderpass{renderpass_cache.GetRenderPass(key.renderpass_params)}, pipeline{CreatePipeline(
-                                                                             key.renderpass_params,
-                                                                             program)} {}
+      renderpass{renderpass_cache.GetRenderPass(key.renderpass_params)},
+      pipeline{CreatePipeline(key.renderpass_params, program)}, m_key{key} {}
 
 VKGraphicsPipeline::~VKGraphicsPipeline() = default;
 
diff --git a/src/video_core/renderer_vulkan/vk_graphics_pipeline.h b/src/video_core/renderer_vulkan/vk_graphics_pipeline.h
index a1d699a6c..39c73a139 100644
--- a/src/video_core/renderer_vulkan/vk_graphics_pipeline.h
+++ b/src/video_core/renderer_vulkan/vk_graphics_pipeline.h
@@ -54,6 +54,10 @@ public:
         return renderpass;
     }
 
+    const GraphicsPipelineCacheKey& GetCacheKey() {
+        return m_key;
+    }
+
 private:
     vk::DescriptorSetLayout CreateDescriptorSetLayout(
         vk::Span<VkDescriptorSetLayoutBinding> bindings) const;
@@ -82,6 +86,8 @@ private:
 
     VkRenderPass renderpass;
     vk::Pipeline pipeline;
+
+    const GraphicsPipelineCacheKey& m_key;
 };
 
 } // namespace Vulkan
diff --git a/src/video_core/renderer_vulkan/vk_pipeline_cache.cpp b/src/video_core/renderer_vulkan/vk_pipeline_cache.cpp
index 418c62bc4..45d4dcb8c 100644
--- a/src/video_core/renderer_vulkan/vk_pipeline_cache.cpp
+++ b/src/video_core/renderer_vulkan/vk_pipeline_cache.cpp
@@ -205,7 +205,8 @@ std::array<Shader*, Maxwell::MaxShaderProgram> VKPipelineCache::GetShaders() {
     return last_shaders = shaders;
 }
 
-VKGraphicsPipeline& VKPipelineCache::GetGraphicsPipeline(const GraphicsPipelineCacheKey& key) {
+VKGraphicsPipeline& VKPipelineCache::GetGraphicsPipeline(
+    const GraphicsPipelineCacheKey& key, VideoCommon::Shader::AsyncShaders& async_shaders) {
     MICROPROFILE_SCOPE(Vulkan_PipelineCache);
 
     if (last_graphics_pipeline && last_graphics_key == key) {
@@ -213,11 +214,27 @@ VKGraphicsPipeline& VKPipelineCache::GetGraphicsPipeline(const GraphicsPipelineC
     }
     last_graphics_key = key;
 
+    if (device.UseAsynchronousShaders()) {
+        auto work = async_shaders.GetCompletedWork();
+        for (std::size_t i = 0; i < work.size(); ++i) {
+            auto& entry = graphics_cache.at(work[i].pipeline->GetCacheKey());
+            entry = std::move(work[i].pipeline);
+        }
+        const auto [pair, is_cache_miss] = graphics_cache.try_emplace(key);
+        if (is_cache_miss) {
+            LOG_INFO(Render_Vulkan, "Compile 0x{:016X}", key.Hash());
+            const auto [program, bindings] = DecompileShaders(key.fixed_state);
+            async_shaders.QueueVulkanShader(this, bindings, program, key.renderpass_params,
+                                            key.padding, key.shaders, key.fixed_state);
+        }
+        return *(last_graphics_pipeline = graphics_cache.at(key).get());
+    }
+
     const auto [pair, is_cache_miss] = graphics_cache.try_emplace(key);
     auto& entry = pair->second;
     if (is_cache_miss) {
         LOG_INFO(Render_Vulkan, "Compile 0x{:016X}", key.Hash());
-        const auto [program, bindings] = DecompileShaders(key);
+        const auto [program, bindings] = DecompileShaders(key.fixed_state);
         entry = std::make_unique<VKGraphicsPipeline>(device, scheduler, descriptor_pool,
                                                      update_descriptor_queue, renderpass_cache, key,
                                                      bindings, program);
@@ -312,8 +329,7 @@ void VKPipelineCache::OnShaderRemoval(Shader* shader) {
 }
 
 std::pair<SPIRVProgram, std::vector<VkDescriptorSetLayoutBinding>>
-VKPipelineCache::DecompileShaders(const GraphicsPipelineCacheKey& key) {
-    const auto& fixed_state = key.fixed_state;
+VKPipelineCache::DecompileShaders(const FixedPipelineState& fixed_state) {
     auto& memory_manager = system.GPU().MemoryManager();
     const auto& gpu = system.GPU().Maxwell3D();
 
diff --git a/src/video_core/renderer_vulkan/vk_pipeline_cache.h b/src/video_core/renderer_vulkan/vk_pipeline_cache.h
index 0a3fe65fb..c70da6da4 100644
--- a/src/video_core/renderer_vulkan/vk_pipeline_cache.h
+++ b/src/video_core/renderer_vulkan/vk_pipeline_cache.h
@@ -22,6 +22,7 @@
 #include "video_core/renderer_vulkan/vk_renderpass_cache.h"
 #include "video_core/renderer_vulkan/vk_shader_decompiler.h"
 #include "video_core/renderer_vulkan/wrapper.h"
+#include "video_core/shader/async_shaders.h"
 #include "video_core/shader/memory_util.h"
 #include "video_core/shader/registry.h"
 #include "video_core/shader/shader_ir.h"
@@ -152,16 +153,37 @@ public:
 
     std::array<Shader*, Maxwell::MaxShaderProgram> GetShaders();
 
-    VKGraphicsPipeline& GetGraphicsPipeline(const GraphicsPipelineCacheKey& key);
+    VKGraphicsPipeline& GetGraphicsPipeline(const GraphicsPipelineCacheKey& key,
+                                            VideoCommon::Shader::AsyncShaders& async_shaders);
 
     VKComputePipeline& GetComputePipeline(const ComputePipelineCacheKey& key);
 
+    const VKDevice& GetDevice() {
+        return device;
+    }
+
+    VKScheduler& GetScheduler() {
+        return scheduler;
+    }
+
+    VKDescriptorPool& GetDescriptorPool() {
+        return descriptor_pool;
+    }
+
+    VKUpdateDescriptorQueue& GetUpdateDescriptorQueue() {
+        return update_descriptor_queue;
+    }
+
+    VKRenderPassCache& GetRenderpassCache() {
+        return renderpass_cache;
+    }
+
 protected:
     void OnShaderRemoval(Shader* shader) final;
 
 private:
     std::pair<SPIRVProgram, std::vector<VkDescriptorSetLayoutBinding>> DecompileShaders(
-        const GraphicsPipelineCacheKey& key);
+        const FixedPipelineState& fixed_state);
 
     Core::System& system;
     const VKDevice& device;
@@ -177,6 +199,7 @@ private:
 
     GraphicsPipelineCacheKey last_graphics_key;
     VKGraphicsPipeline* last_graphics_pipeline = nullptr;
+    std::vector<std::unique_ptr<VKGraphicsPipeline>> duplicates;
 
     std::unordered_map<GraphicsPipelineCacheKey, std::unique_ptr<VKGraphicsPipeline>>
         graphics_cache;
diff --git a/src/video_core/renderer_vulkan/vk_rasterizer.cpp b/src/video_core/renderer_vulkan/vk_rasterizer.cpp
index 7500e8244..6310e898c 100644
--- a/src/video_core/renderer_vulkan/vk_rasterizer.cpp
+++ b/src/video_core/renderer_vulkan/vk_rasterizer.cpp
@@ -400,8 +400,25 @@ RasterizerVulkan::RasterizerVulkan(Core::System& system, Core::Frontend::EmuWind
       buffer_cache(*this, system, device, memory_manager, scheduler, staging_pool),
       sampler_cache(device),
       fence_manager(system, *this, device, scheduler, texture_cache, buffer_cache, query_cache),
-      query_cache(system, *this, device, scheduler), wfi_event{device.GetLogical().CreateEvent()} {
+      query_cache(system, *this, device, scheduler),
+      wfi_event{device.GetLogical().CreateNewEvent()}, async_shaders{renderer} {
     scheduler.SetQueryCache(query_cache);
+    if (device.UseAsynchronousShaders()) {
+        // Max worker threads we should allow
+        constexpr auto MAX_THREADS = 2u;
+        // Amount of threads we should reserve for other parts of yuzu
+        constexpr auto RESERVED_THREADS = 6u;
+        // Get the amount of threads we can use(this can return zero)
+        const auto cpu_thread_count =
+            std::max(RESERVED_THREADS, std::thread::hardware_concurrency());
+        // Deduce how many "extra" threads we have to use.
+        const auto max_threads_unused = cpu_thread_count - RESERVED_THREADS;
+        // Always allow at least 1 thread regardless of our settings
+        const auto max_worker_count = std::max(1u, max_threads_unused);
+        // Don't use more than MAX_THREADS
+        const auto worker_count = std::min(max_worker_count, MAX_THREADS);
+        async_shaders.AllocateWorkers(worker_count);
+    }
 }
 
 RasterizerVulkan::~RasterizerVulkan() = default;
@@ -439,7 +456,13 @@ void RasterizerVulkan::Draw(bool is_indexed, bool is_instanced) {
     key.renderpass_params = GetRenderPassParams(texceptions);
     key.padding = 0;
 
-    auto& pipeline = pipeline_cache.GetGraphicsPipeline(key);
+    auto& pipeline = pipeline_cache.GetGraphicsPipeline(key, async_shaders);
+    if (&pipeline == nullptr || pipeline.GetHandle() == VK_NULL_HANDLE) {
+        // Async graphics pipeline was not ready.
+        system.GPU().TickWork();
+        return;
+    }
+
     scheduler.BindGraphicsPipeline(pipeline.GetHandle());
 
     const auto renderpass = pipeline.GetRenderPass();
diff --git a/src/video_core/renderer_vulkan/vk_rasterizer.h b/src/video_core/renderer_vulkan/vk_rasterizer.h
index 923178b0b..27604b9a3 100644
--- a/src/video_core/renderer_vulkan/vk_rasterizer.h
+++ b/src/video_core/renderer_vulkan/vk_rasterizer.h
@@ -32,6 +32,7 @@
 #include "video_core/renderer_vulkan/vk_texture_cache.h"
 #include "video_core/renderer_vulkan/vk_update_descriptor.h"
 #include "video_core/renderer_vulkan/wrapper.h"
+#include "video_core/shader/async_shaders.h"
 
 namespace Core {
 class System;
@@ -136,6 +137,14 @@ public:
                            u32 pixel_stride) override;
     void SetupDirtyFlags() override;
 
+    VideoCommon::Shader::AsyncShaders& GetAsyncShaders() {
+        return async_shaders;
+    }
+
+    const VideoCommon::Shader::AsyncShaders& GetAsyncShaders() const {
+        return async_shaders;
+    }
+
     /// Maximum supported size that a constbuffer can have in bytes.
     static constexpr std::size_t MaxConstbufferSize = 0x10000;
     static_assert(MaxConstbufferSize % (4 * sizeof(float)) == 0,
@@ -278,6 +287,7 @@ private:
     VKMemoryManager& memory_manager;
     StateTracker& state_tracker;
     VKScheduler& scheduler;
+    VideoCommon::Shader::AsyncShaders async_shaders;
 
     VKStagingBufferPool staging_pool;
     VKDescriptorPool descriptor_pool;
diff --git a/src/video_core/renderer_vulkan/wrapper.cpp b/src/video_core/renderer_vulkan/wrapper.cpp
index 14cac38ea..c43d60adf 100644
--- a/src/video_core/renderer_vulkan/wrapper.cpp
+++ b/src/video_core/renderer_vulkan/wrapper.cpp
@@ -644,7 +644,7 @@ ShaderModule Device::CreateShaderModule(const VkShaderModuleCreateInfo& ci) cons
     return ShaderModule(object, handle, *dld);
 }
 
-Event Device::CreateEvent() const {
+Event Device::CreateNewEvent() const {
     static constexpr VkEventCreateInfo ci{
         .sType = VK_STRUCTURE_TYPE_EVENT_CREATE_INFO,
         .pNext = nullptr,
diff --git a/src/video_core/renderer_vulkan/wrapper.h b/src/video_core/renderer_vulkan/wrapper.h
index 31885ef42..b9d3fedc1 100644
--- a/src/video_core/renderer_vulkan/wrapper.h
+++ b/src/video_core/renderer_vulkan/wrapper.h
@@ -721,7 +721,7 @@ public:
 
     ShaderModule CreateShaderModule(const VkShaderModuleCreateInfo& ci) const;
 
-    Event CreateEvent() const;
+    Event CreateNewEvent() const;
 
     SwapchainKHR CreateSwapchainKHR(const VkSwapchainCreateInfoKHR& ci) const;