[d3d11] Added test case for occlusion queries and small improvements

src/d3d11/d3d11_blend.cpp

@@ -21,7 +21,7 @@ namespace dxvk {
     m_msState.sampleMask            = 0; // Set during bind
     m_msState.enableAlphaToCoverage = desc.AlphaToCoverageEnable;
     m_msState.enableAlphaToOne      = VK_FALSE;
-    m_msState.enableSampleShading   = VK_TRUE;
+    m_msState.enableSampleShading   = VK_FALSE;
     m_msState.minSampleShading      = 0.0f;
     
     // In 11_0, there is no logic op state. Later versions

src/d3d11/d3d11_context_imm.cpp

@@ -41,21 +41,23 @@ namespace dxvk {
   
   
   void STDMETHODCALLTYPE D3D11ImmediateContext::Flush() {
-    m_parent->FlushInitContext();
-    m_drawCount = 0;
-    
-    // Add commands to flush the threaded
-    // context, then flush the command list
-    EmitCs([dev = m_device] (DxvkContext* ctx) {
-      dev->submitCommandList(
-        ctx->endRecording(),
-        nullptr, nullptr);
+    if (m_csChunk->commandCount() != 0) {
+      m_parent->FlushInitContext();
+      m_drawCount = 0;
       
-      ctx->beginRecording(
-        dev->createCommandList());
-    });
-    
-    FlushCsChunk();
+      // Add commands to flush the threaded
+      // context, then flush the command list
+      EmitCs([dev = m_device] (DxvkContext* ctx) {
+        dev->submitCommandList(
+          ctx->endRecording(),
+          nullptr, nullptr);
+        
+        ctx->beginRecording(
+          dev->createCommandList());
+      });
+      
+      FlushCsChunk();
+    }
   }
   
   

src/d3d11/d3d11_query.cpp

@@ -13,19 +13,27 @@ namespace dxvk {
         break;
         
       case D3D11_QUERY_OCCLUSION:
+        m_query = new DxvkQuery(
+          VK_QUERY_TYPE_OCCLUSION,
+          VK_QUERY_CONTROL_PRECISE_BIT);
+        break;
+      
       case D3D11_QUERY_OCCLUSION_PREDICATE:
-        m_query = new DxvkQuery(VK_QUERY_TYPE_OCCLUSION);
+        m_query = new DxvkQuery(
+          VK_QUERY_TYPE_OCCLUSION, 0);
         break;
         
       case D3D11_QUERY_TIMESTAMP:
-        m_query = new DxvkQuery(VK_QUERY_TYPE_TIMESTAMP);
+        m_query = new DxvkQuery(
+          VK_QUERY_TYPE_TIMESTAMP, 0);
         break;
       
       case D3D11_QUERY_TIMESTAMP_DISJOINT:
         break;
       
       case D3D11_QUERY_PIPELINE_STATISTICS:
-        m_query = new DxvkQuery(VK_QUERY_TYPE_PIPELINE_STATISTICS);
+        m_query = new DxvkQuery(
+          VK_QUERY_TYPE_PIPELINE_STATISTICS, 0);
         break;
       
       default:

src/dxvk/dxvk_context.cpp

@@ -73,7 +73,7 @@ namespace dxvk {
     m_cmd->cmdBeginQuery(
       handle.queryPool,
       handle.queryId,
-      0);
+      handle.flags);
     
     query.query->beginRecording(query.revision);
     this->insertActiveQuery(query);
@@ -1636,7 +1636,7 @@ namespace dxvk {
   DxvkQueryHandle DxvkContext::allocQuery(const DxvkQueryRevision& query) {
     const VkQueryType queryType = query.query->type();
     
-    DxvkQueryHandle queryHandle = { VK_NULL_HANDLE, 0 };
+    DxvkQueryHandle queryHandle = DxvkQueryHandle();
     Rc<DxvkQueryPool> queryPool = m_queryPools[queryType];
     
     if (queryPool != nullptr)
@@ -1681,7 +1681,7 @@ namespace dxvk {
       m_cmd->cmdBeginQuery(
         handle.queryPool,
         handle.queryId,
-        0);
+        handle.flags);
     }
   }
   

src/dxvk/dxvk_event.cpp

@@ -17,10 +17,8 @@ namespace dxvk {
   void DxvkEvent::signal(uint32_t revision) {
     std::unique_lock<std::mutex> lock(m_mutex);
     
-    if (m_revision == revision) {
+    if (m_revision == revision)
       m_status = DxvkEventStatus::Signaled;
-      m_signal.notify_one();
-    }
   }
   
   

src/dxvk/dxvk_event.h

@@ -1,6 +1,5 @@
 #pragma once
 
-#include <condition_variable>
 #include <mutex>
 
 #include "dxvk_include.h"
@@ -49,8 +48,7 @@ namespace dxvk {
     
   private:
     
-    std::mutex              m_mutex;
-    std::condition_variable m_signal;
+    std::mutex m_mutex;
     
     DxvkEventStatus         m_status   = DxvkEventStatus::Reset;
     uint32_t                m_revision = 0;

src/dxvk/dxvk_query.cpp

@@ -2,8 +2,10 @@
 
 namespace dxvk {
   
-  DxvkQuery::DxvkQuery(VkQueryType type)
-  : m_type(type) {
+  DxvkQuery::DxvkQuery(
+    VkQueryType         type,
+    VkQueryControlFlags flags)
+  : m_type(type), m_flags(flags) {
     
   }
   
@@ -57,7 +59,6 @@ namespace dxvk {
         m_status = DxvkQueryStatus::Pending;
       } else {
         m_status = DxvkQueryStatus::Available;
-        m_signal.notify_all();
       }
       
       m_handle = DxvkQueryHandle();
@@ -110,10 +111,8 @@ namespace dxvk {
           Logger::err(str::format("DxvkQuery: Unhandled query type: ", m_type));
       }
       
-      if (++m_queryIndex == m_queryCount && m_status == DxvkQueryStatus::Pending) {
+      if (++m_queryIndex == m_queryCount && m_status == DxvkQueryStatus::Pending)
         m_status = DxvkQueryStatus::Available;
-        m_signal.notify_all();
-      }
     }
   }
   

src/dxvk/dxvk_query.h

@@ -1,6 +1,5 @@
 #pragma once
 
-#include <condition_variable>
 #include <mutex>
 
 #include "dxvk_limits.h"
@@ -78,8 +77,9 @@ namespace dxvk {
    * index of a single Vulkan query.
    */
   struct DxvkQueryHandle {
-    VkQueryPool queryPool = VK_NULL_HANDLE;
-    uint32_t    queryId   = 0;
+    VkQueryPool         queryPool = VK_NULL_HANDLE;
+    uint32_t            queryId   = 0;
+    VkQueryControlFlags flags     = 0;
   };
   
   /**
@@ -93,7 +93,9 @@ namespace dxvk {
     
   public:
     
-    DxvkQuery(VkQueryType type);
+    DxvkQuery(
+      VkQueryType         type,
+      VkQueryControlFlags flags);
     ~DxvkQuery();
     
     /**
@@ -104,6 +106,17 @@ namespace dxvk {
       return m_type;
     }
     
+    /**
+     * \brief Query control flags
+     * 
+     * Flags that will be applied when
+     * calling \c vkCmdBeginQuery.
+     * \returns Query control flags
+     */
+    VkQueryControlFlags flags() const {
+      return m_flags;
+    }
+    
     /**
      * \brief Resets the query object
      * 
@@ -172,10 +185,10 @@ namespace dxvk {
     
   private:
     
-    const VkQueryType m_type;
+    const VkQueryType         m_type;
+    const VkQueryControlFlags m_flags;
     
-    std::mutex              m_mutex;
-    std::condition_variable m_signal;
+    std::mutex m_mutex;
     
     DxvkQueryStatus m_status   = DxvkQueryStatus::Reset;
     DxvkQueryData   m_data     = {};

src/dxvk/dxvk_query_pool.cpp

@@ -48,7 +48,10 @@ namespace dxvk {
     const uint32_t queryIndex = m_queryRangeOffset + m_queryRangeLength;
     
     if (queryIndex < m_queryCount) {
-      const DxvkQueryHandle result = { m_queryPool, queryIndex };
+      DxvkQueryHandle result;
+      result.queryPool = m_queryPool;
+      result.queryId   = queryIndex;
+      result.flags     = query.query->flags();
       
       query.query->associateQuery(query.revision, result);
       m_queries.at(queryIndex) = query;
@@ -56,7 +59,7 @@ namespace dxvk {
       m_queryRangeLength += 1;
       return result;
     } else {
-      return DxvkQueryHandle { VK_NULL_HANDLE, 0 };
+      return DxvkQueryHandle();
     }
   }
   

src/dxvk/dxvk_query_pool.h

@@ -9,8 +9,6 @@ namespace dxvk {
   
   /**
    * \brief Query range
-   * 
-   * 
    */
   struct DxvkQueryRange {
     Rc<DxvkQueryPool> queryPool;

tests/d3d11/test_d3d11_triangle.cpp

@@ -4,6 +4,8 @@
 #include <windows.h>
 #include <windowsx.h>
 
+#include <thread>
+
 #include "../test_utils.h"
 
 using namespace dxvk;
@@ -242,6 +244,12 @@ public:
           &m_vertexFormat)))
       throw DxvkError("Failed to create input layout");
     
+    D3D11_QUERY_DESC queryDesc;
+    queryDesc.Query = D3D11_QUERY_OCCLUSION;
+    queryDesc.MiscFlags = 0;
+    
+    if (FAILED(m_device->CreateQuery(&queryDesc, &m_query)))
+      throw DxvkError("Failed to create occlusion query");
   }
   
   
@@ -275,11 +283,13 @@ public:
     UINT vsOffset = 0;
     
     // Test normal draws with base vertex
+    m_context->Begin(m_query.ptr());
     m_context->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
     m_context->IASetInputLayout(m_vertexFormat.ptr());
     m_context->IASetVertexBuffers(0, 1, &m_vertexBuffer, &vsStride, &vsOffset);
     m_context->Draw(3, 0);
     m_context->Draw(3, 3);
+    m_context->End(m_query.ptr());
     
     // Test instanced draws with base instance and base vertex
     vsOffset = 6 * sizeof(Vertex);
@@ -302,6 +312,26 @@ public:
     m_context->OMSetRenderTargets(0, nullptr, nullptr);
     
     m_swapChain->Present(0, 0);
+    
+    // Test query results
+    while (true) {
+      UINT64 samplesPassed = 0;
+      
+      UINT queryStatus = m_context->GetData(
+        m_query.ptr(), &samplesPassed, sizeof(samplesPassed),
+        D3D11_ASYNC_GETDATA_DONOTFLUSH);
+      
+      if (queryStatus == S_OK) {
+        if (samplesPassed == 0)
+          std::cerr << "Occlusion query returned 0 samples" << std::endl;
+        break;
+      } else if (queryStatus == S_FALSE) {
+        std::this_thread::yield();
+      } else {
+        std::cerr << "Occlusion query failed" << std::endl;
+        break;
+      }
+    }
   }
   
   
@@ -354,6 +384,8 @@ private:
   Com<ID3D11VertexShader>       m_vertexShader;
   Com<ID3D11PixelShader>        m_pixelShader;
   
+  Com<ID3D11Query>              m_query;
+  
   D3D_FEATURE_LEVEL             m_featureLevel;
   
 };