Cleaning up the stats.qml

examples/utilities/render/stats.qml

@@ -80,11 +80,6 @@ Item {
                     label: "GPU",
                     color: "#1AC567"
                 },
-                {
-                    prop: "frameTextureCount",
-                    label: "Frame",
-                    color: "#E2334D"
-                },
                 {
                     prop: "textureGPUTransferCount",
                     label: "Transfer",
@@ -114,13 +109,7 @@ Item {
                     prop: "textureGPUVirtualMemoryUsage",
                     label: "GPU Virtual",
                     color: "#9495FF"
-                },
-                {
-                    prop: "frameTextureMemoryUsage",
-                    label: "Frame",
-                    color: "#E2334D"
                 }
-
             ]
         }
 
@@ -170,6 +159,24 @@ Item {
             ]
         }
  
+        PlotPerf {
+            title: "State Changes"
+            height: parent.evalEvenHeight()
+            object: stats.config
+            plots: [
+                {
+                    prop: "frameTextureCount",
+                    label: "Textures",
+                    color: "#00B4EF"
+                },
+                {
+                    prop: "frameSetPipelineCount",
+                    label: "Pipelines",
+                    color: "#E2334D"
+                }
+            ]
+        }  
+
         property var drawOpaqueConfig: Render.getConfig("DrawOpaqueDeferred")
         property var drawTransparentConfig: Render.getConfig("DrawTransparentDeferred")
         property var drawLightConfig: Render.getConfig("DrawLight")

libraries/gpu/src/gpu/Context.h

@@ -39,6 +39,8 @@ public:
     int _DSNumAPIDrawcalls = 0;
     int _DSNumDrawcalls = 0;
     int _DSNumTriangles = 0;
+
+    int _PSNumSetPipelines = 0;
  
     ContextStats() {}
     ContextStats(const ContextStats& stats) = default;

libraries/gpu/src/gpu/GLBackendPipeline.cpp

@@ -64,6 +64,9 @@ void GLBackend::do_setPipeline(Batch& batch, size_t paramOffset) {
         return;
     }
 
+    // A true new Pipeline
+    _stats._PSNumSetPipelines++;
+
     // null pipeline == reset
     if (!pipeline) {
         _pipeline._pipeline.reset();

libraries/render/src/render/EngineStats.cpp

@@ -49,5 +49,7 @@ void EngineStats::run(const SceneContextPointer& sceneContext, const RenderConte
     config->frameTextureRate = config->frameTextureCount * frequency;
     config->frameTextureMemoryUsage = _gpuStats._RSAmountTextureMemoryBounded - gpuStats._RSAmountTextureMemoryBounded;
 
+    config->frameSetPipelineCount = _gpuStats._PSNumSetPipelines - gpuStats._PSNumSetPipelines;
+
     config->emitDirty();
 }

libraries/render/src/render/EngineStats.h

@@ -47,6 +47,9 @@ namespace render {
         Q_PROPERTY(quint32 frameTextureRate MEMBER frameTextureRate NOTIFY dirty)
         Q_PROPERTY(quint32 frameTextureMemoryUsage MEMBER frameTextureMemoryUsage NOTIFY dirty)
 
+        Q_PROPERTY(quint32 frameSetPipelineCount MEMBER frameSetPipelineCount NOTIFY dirty)
+
+
     public:
         EngineStatsConfig() : Job::Config(true) {}
 
@@ -73,6 +76,10 @@ namespace render {
         quint32 frameTextureRate{ 0 };
         qint64 frameTextureMemoryUsage{ 0 };
 
+        quint32 frameSetPipelineCount{ 0 };
+
+
+
         void emitDirty() { emit dirty(); }
 
     signals: