[dxvk] Implement basic stat counters for draw calls, queue ops

src/dxvk/dxvk_cmdlist.cpp

@@ -107,6 +107,7 @@ namespace dxvk {
   
   
   void DxvkCommandList::reset() {
+    m_statCounters.reset();
     m_bufferTracker.reset();
     m_eventTracker.reset();
     m_queryTracker.reset();

src/dxvk/dxvk_cmdlist.h

@@ -11,6 +11,7 @@
 #include "dxvk_pipelayout.h"
 #include "dxvk_query_tracker.h"
 #include "dxvk_staging.h"
+#include "dxvk_stats.h"
 #include "dxvk_sync.h"
 
 namespace dxvk {
@@ -56,6 +57,28 @@ namespace dxvk {
      */
     VkResult synchronize();
     
+    /**
+     * \brief Stat counters
+     * 
+     * Retrieves some info about per-command list
+     * statistics, such as the number of draw calls
+     * or the number of pipelines compiled.
+     * \returns Read-only reference to stat counters
+     */
+    const DxvkStatCounters& statCounters() const {
+      return m_statCounters;
+    }
+    
+    /**
+     * \brief Increments a stat counter value
+     * 
+     * \param [in] ctr The counter to increment
+     * \param [in] val The value to add
+     */
+    void addStatCtr(DxvkStatCounter ctr, uint32_t val) {
+      m_statCounters.addCtr(ctr, val);
+    }
+    
     /**
      * \brief Begins recording
      * 
@@ -69,6 +92,7 @@ namespace dxvk {
      * 
      * Ends command buffer recording, making
      * the command list ready for submission.
+     * \param [in] stats Stat counters
      */
     void endRecording();
     
@@ -536,6 +560,7 @@ namespace dxvk {
     DxvkQueryTracker    m_queryTracker;
     DxvkEventTracker    m_eventTracker;
     DxvkBufferTracker   m_bufferTracker;
+    DxvkStatCounters    m_statCounters;
     
   };
   

src/dxvk/dxvk_context.cpp

@@ -667,6 +667,8 @@ namespace dxvk {
       
       this->commitComputeBarriers();
     }
+    
+    m_cmd->addStatCtr(DxvkStatCounter::CmdDispatchCalls, 1);
   }
   
   
@@ -683,6 +685,8 @@ namespace dxvk {
       
       this->commitComputeBarriers();
     }
+    
+    m_cmd->addStatCtr(DxvkStatCounter::CmdDispatchCalls, 1);
   }
   
   
@@ -698,6 +702,8 @@ namespace dxvk {
         vertexCount, instanceCount,
         firstVertex, firstInstance);
     }
+    
+    m_cmd->addStatCtr(DxvkStatCounter::CmdDrawCalls, 1);
   }
   
   
@@ -715,6 +721,8 @@ namespace dxvk {
         physicalSlice.offset(),
         count, stride);
     }
+    
+    m_cmd->addStatCtr(DxvkStatCounter::CmdDrawCalls, 1);
   }
   
   
@@ -732,6 +740,8 @@ namespace dxvk {
         firstIndex, vertexOffset,
         firstInstance);
     }
+    
+    m_cmd->addStatCtr(DxvkStatCounter::CmdDrawCalls, 1);
   }
   
   
@@ -749,6 +759,8 @@ namespace dxvk {
         physicalSlice.offset(),
         count, stride);
     }
+    
+    m_cmd->addStatCtr(DxvkStatCounter::CmdDrawCalls, 1);
   }
   
   
@@ -1363,6 +1375,7 @@ namespace dxvk {
     m_cmd->cmdBeginRenderPass(&info,
       VK_SUBPASS_CONTENTS_INLINE);
     m_cmd->trackResource(framebuffer);
+    m_cmd->addStatCtr(DxvkStatCounter::CmdRenderPassCount, 1);
   }
   
   

src/dxvk/dxvk_device.cpp

@@ -178,6 +178,18 @@ namespace dxvk {
   }
   
   
+  DxvkStatCounters DxvkDevice::getStatCounters() {
+    // TODO Add memory info
+    DxvkStatCounters result;
+    
+    { std::lock_guard<sync::Spinlock> lock(m_statLock);
+      result.merge(m_statCounters);
+    }
+    
+    return result;
+  }
+  
+  
   void DxvkDevice::initResources() {
     m_unboundResources.clearResources(this);
   }
@@ -185,8 +197,13 @@ namespace dxvk {
   
   VkResult DxvkDevice::presentSwapImage(
     const VkPresentInfoKHR&         presentInfo) {
-    std::lock_guard<std::mutex> lock(m_submissionLock);
-    return m_vkd->vkQueuePresentKHR(m_presentQueue, &presentInfo);
+    { // Queue submissions are not thread safe
+      std::lock_guard<std::mutex> queueLock(m_submissionLock);
+      std::lock_guard<sync::Spinlock> statLock(m_statLock);
+      
+      m_statCounters.addCtr(DxvkStatCounter::QueuePresentCount, 1);
+      return m_vkd->vkQueuePresentKHR(m_presentQueue, &presentInfo);
+    }
   }
   
   
@@ -210,7 +227,11 @@ namespace dxvk {
     VkResult status;
     
     { // Queue submissions are not thread safe
-      std::lock_guard<std::mutex> lock(m_submissionLock);
+      std::lock_guard<std::mutex> queueLock(m_submissionLock);
+      std::lock_guard<sync::Spinlock> statLock(m_statLock);
+      
+      m_statCounters.merge(commandList->statCounters());
+      m_statCounters.addCtr(DxvkStatCounter::QueueSubmitCount, 1);
       
       status = commandList->submit(
         m_graphicsQueue, waitSemaphore, wakeSemaphore);

src/dxvk/dxvk_device.h

@@ -18,6 +18,7 @@
 #include "dxvk_renderpass.h"
 #include "dxvk_sampler.h"
 #include "dxvk_shader.h"
+#include "dxvk_stats.h"
 #include "dxvk_swapchain.h"
 #include "dxvk_sync.h"
 #include "dxvk_unbound.h"
@@ -257,6 +258,15 @@ namespace dxvk {
       const Rc<DxvkSurface>&          surface,
       const DxvkSwapchainProperties&  properties);
     
+    /**
+     * \brief Retrieves stat counters
+     * 
+     * Can be used by the HUD to display some
+     * internal information, such as memory
+     * usage, draw calls, etc.
+     */
+    DxvkStatCounters getStatCounters();
+    
     /**
      * \brief Initializes dummy resources
      * 
@@ -315,6 +325,9 @@ namespace dxvk {
     DxvkUnboundResources      m_unboundResources;
     DxvkOptions               m_options;
     
+    sync::Spinlock            m_statLock;
+    DxvkStatCounters          m_statCounters;
+    
     std::mutex m_submissionLock;
     VkQueue m_graphicsQueue = VK_NULL_HANDLE;
     VkQueue m_presentQueue  = VK_NULL_HANDLE;