renderer: debug markers for ability to match cmdlists with rdoc captures

src/video_core/renderer_vulkan/vk_rasterizer.cpp

@@ -254,4 +254,16 @@ void Rasterizer::UpdateDepthStencilState() {
     cmdbuf.setDepthBoundsTestEnable(depth.depth_bounds_enable);
 }
 
+void Rasterizer::ScopeMarkerBegin(const std::string& str) {
+    const auto cmdbuf = scheduler.CommandBuffer();
+    cmdbuf.beginDebugUtilsLabelEXT(vk::DebugUtilsLabelEXT{
+        .pLabelName = str.c_str(),
+    });
+}
+
+void Rasterizer::ScopeMarkerEnd() {
+    const auto cmdbuf = scheduler.CommandBuffer();
+    cmdbuf.endDebugUtilsLabelEXT();
+}
+
 } // namespace Vulkan

src/video_core/renderer_vulkan/vk_rasterizer.h

@@ -33,6 +33,9 @@ public:
 
     void DispatchDirect();
 
+    void ScopeMarkerBegin(const std::string& str);
+    void ScopeMarkerEnd();
+
 private:
     u32 SetupIndexBuffer(bool& is_indexed, u32 index_offset);
     void MapMemory(VAddr addr, size_t size);