1 files changed, 17 insertions, 27 deletions

diff --git a/Source/Core/VideoBackends/Vulkan/PerfQuery.h b/Source/Core/VideoBackends/Vulkan/PerfQuery.h
index 47ccf22a66..8ca91ac658 100644
--- a/Source/Core/VideoBackends/Vulkan/PerfQuery.h
+++ b/Source/Core/VideoBackends/Vulkan/PerfQuery.h
@@ -13,18 +13,15 @@
 
 namespace Vulkan
 {
-class StagingBuffer;
-
 class PerfQuery : public PerfQueryBase
 {
 public:
   PerfQuery();
   ~PerfQuery();
 
-  static PerfQuery* GetInstance();
+  static PerfQuery* GetInstance() { return static_cast<PerfQuery*>(g_perf_query.get()); }
 
   bool Initialize();
-  void FlushQueries();
 
   void EnableQuery(PerfQueryGroup type) override;
   void DisableQuery(PerfQueryGroup type) override;
@@ -34,37 +31,30 @@ public:
   bool IsFlushed() const override;
 
 private:
+  // u32 is used for the sample counts.
+  using PerfQueryDataType = u32;
+
+  // when testing in SMS: 64 was too small, 128 was ok
+  // TODO: This should be size_t, but the base class uses u32s
+  static const u32 PERF_QUERY_BUFFER_SIZE = 512;
+
   struct ActiveQuery
   {
+    u64 fence_counter;
     PerfQueryType query_type;
-    VkFence pending_fence;
-    bool available;
-    bool active;
+    bool has_value;
   };
 
   bool CreateQueryPool();
-  bool CreateReadbackBuffer();
-  void QueueCopyQueryResults(u32 start_index, u32 query_count);
-  void ProcessResults(u32 start_index, u32 query_count);
-
-  void OnCommandBufferQueued(VkCommandBuffer command_buffer, VkFence fence);
-  void OnFenceSignaled(VkFence fence);
-
-  void NonBlockingPartialFlush();
-  void BlockingPartialFlush();
+  void ReadbackQueries();
+  void ReadbackQueries(u32 query_count);
+  void PartialFlush(bool blocking);
 
-  // when testing in SMS: 64 was too small, 128 was ok
-  // TODO: This should be size_t, but the base class uses u32s
-  using PerfQueryDataType = u32;
-  static const u32 PERF_QUERY_BUFFER_SIZE = 512;
-  std::array<ActiveQuery, PERF_QUERY_BUFFER_SIZE> m_query_buffer = {};
-  u32 m_query_read_pos = 0;
-
-  // TODO: Investigate using pipeline statistics to implement other query types
   VkQueryPool m_query_pool = VK_NULL_HANDLE;
-
-  // Buffer containing query results. Each query is a u32.
-  std::unique_ptr<StagingBuffer> m_readback_buffer;
+  u32 m_query_readback_pos = 0;
+  u32 m_query_next_pos = 0;
+  std::array<ActiveQuery, PERF_QUERY_BUFFER_SIZE> m_query_buffer = {};
+  std::array<PerfQueryDataType, PERF_QUERY_BUFFER_SIZE> m_query_result_buffer = {};
 };
 
 }  // namespace Vulkan