[dxvk] Introduce DxvkComputePipelineInstance

Same as the graphics pipeline equivalent.

src/dxvk/dxvk_compute.cpp

@@ -37,7 +37,7 @@ namespace dxvk {
   
   DxvkComputePipeline::~DxvkComputePipeline() {
     for (const auto& instance : m_pipelines)
-      this->destroyPipeline(instance.pipeline);
+      this->destroyPipeline(instance.pipeline());
   }
   
   
@@ -47,15 +47,17 @@ namespace dxvk {
 
     { std::lock_guard<sync::Spinlock> lock(m_mutex);
 
-      if (this->findPipeline(state, newPipelineHandle))
-        return newPipelineHandle;
+      auto instance = this->findInstance(state);
+
+      if (instance)
+        return instance->pipeline();
     
       // If no pipeline instance exists with the given state
       // vector, create a new one and add it to the list.
       newPipelineHandle = this->createPipeline(state);
       
       // Add new pipeline to the set
-      m_pipelines.push_back({ state, newPipelineHandle });
+      m_pipelines.emplace_back(state, newPipelineHandle);
       m_pipeMgr->m_numComputePipelines += 1;
     }
     
@@ -66,17 +68,14 @@ namespace dxvk {
   }
   
   
-  bool DxvkComputePipeline::findPipeline(
-    const DxvkComputePipelineStateInfo& state,
-          VkPipeline&                   pipeline) const {
-    for (const PipelineStruct& pair : m_pipelines) {
-      if (pair.stateVector == state) {
-        pipeline = pair.pipeline;
-        return true;
-      }
+  const DxvkComputePipelineInstance* DxvkComputePipeline::findInstance(
+    const DxvkComputePipelineStateInfo& state) const {
+    for (const auto& instance : m_pipelines) {
+      if (instance.isCompatible(state))
+        return &instance;
     }
     
-    return false;
+    return nullptr;
   }
   
   

src/dxvk/dxvk_compute.h

@@ -34,6 +34,50 @@ namespace dxvk {
   };
 
 
+  /**
+   * \brief Compute pipeline instance
+   */
+  class DxvkComputePipelineInstance {
+
+  public:
+
+    DxvkComputePipelineInstance()
+    : m_stateVector (),
+      m_pipeline    (VK_NULL_HANDLE) { }
+
+    DxvkComputePipelineInstance(
+      const DxvkComputePipelineStateInfo& state,
+            VkPipeline                    pipe)
+    : m_stateVector (state),
+      m_pipeline    (pipe) { }
+
+    /**
+     * \brief Checks for matching pipeline state
+     * 
+     * \param [in] stateVector Graphics pipeline state
+     * \param [in] renderPass Render pass handle
+     * \returns \c true if the specialization is compatible
+     */
+    bool isCompatible(const DxvkComputePipelineStateInfo& state) const {
+      return m_stateVector == state;
+    }
+
+    /**
+     * \brief Retrieves pipeline
+     * \returns The pipeline handle
+     */
+    VkPipeline pipeline() const {
+      return m_pipeline;
+    }
+
+  private:
+
+    DxvkComputePipelineStateInfo m_stateVector;
+    VkPipeline                   m_pipeline;
+
+  };
+  
+  
   /**
    * \brief Compute pipeline
    * 
@@ -75,11 +119,6 @@ namespace dxvk {
     
   private:
     
-    struct PipelineStruct {
-      DxvkComputePipelineStateInfo stateVector;
-      VkPipeline                   pipeline;
-    };
-    
     Rc<vk::DeviceFn>            m_vkd;
     DxvkPipelineManager*        m_pipeMgr;
 
@@ -89,11 +128,10 @@ namespace dxvk {
     Rc<DxvkPipelineLayout>      m_layout;
     
     sync::Spinlock                           m_mutex;
-    std::vector<PipelineStruct> m_pipelines;
+    std::vector<DxvkComputePipelineInstance> m_pipelines;
     
-    bool findPipeline(
-      const DxvkComputePipelineStateInfo& state,
-            VkPipeline&                   pipeline) const;
+    const DxvkComputePipelineInstance* findInstance(
+      const DxvkComputePipelineStateInfo& state) const;
     
     VkPipeline createPipeline(
       const DxvkComputePipelineStateInfo& state) const;