[dxvk] Introduce DxvkMarker

Co-authored-by: Philip Rebohle <philip.rebohle@tu-dortmund.de>

src/dxvk/dxvk_context.h

@@ -8,6 +8,7 @@
 #include "dxvk_objects.h"
 #include "dxvk_resource.h"
 #include "dxvk_util.h"
+#include "dxvk_marker.h"
 
 namespace dxvk {
   
@@ -1252,6 +1253,15 @@ namespace dxvk {
      */
     void insertDebugLabel(VkDebugUtilsLabelEXT *label);
 
+    /**
+     * \brief Inserts a marker object
+     * \param [in] marker The marker
+     */
+    template<typename T>
+    void insertMarker(const Rc<DxvkMarker<T>>& marker) {
+      m_cmd->trackResource<DxvkAccess::Write>(marker);
+    }
+
     /**
      * \brief Increments a given stat counter
      *

src/dxvk/dxvk_device.h

@@ -22,6 +22,7 @@
 #include "dxvk_shader.h"
 #include "dxvk_stats.h"
 #include "dxvk_unbound.h"
+#include "dxvk_marker.h"
 
 #include "../vulkan/vulkan_presenter.h"
 
@@ -348,7 +349,7 @@ namespace dxvk {
      */
     Rc<DxvkSampler> createSampler(
       const DxvkSamplerCreateInfo&  createInfo);
-    
+
     /**
      * \brief Retrieves stat counters
      * 

src/dxvk/dxvk_marker.h

@@ -0,0 +1,35 @@
+#pragma once
+
+#include "dxvk_resource.h"
+
+namespace dxvk {
+
+  /**
+   * \brief Marker
+   *
+   * Arbitrary marker that can be used to track whether
+   * the GPU has finished processing certain commands,
+   * and stores some data.
+   */
+  template<typename T>
+  class DxvkMarker : public DxvkResource {
+
+  public:
+
+    DxvkMarker(T&& payload)
+    : m_payload(std::move(payload)) { }
+
+    DxvkMarker(const T& payload)
+    : m_payload(payload) { }
+
+    const T& payload() const {
+      return m_payload;
+    }
+
+  private:
+
+    T m_payload;
+
+  };
+
+}