Display how many instanced objects are drawn (#5994)

* Display how many instanced objects are drawn
pioneerspacesim · Jan 7, 2025 · cae2dfe · cae2dfe
1 parent e0f5244
commit cae2dfe
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Showing 4 changed files with 10 additions and 3 deletions.
diff --git a/src/graphics/Stats.cpp b/src/graphics/Stats.cpp
@@ -16,6 +16,8 @@ namespace Graphics {
 
 		m_counterRefs = {
 			GetOrCreateCounter("DrawMesh Calls"),
+			GetOrCreateCounter("DrawMesh Instance Calls"),
+			GetOrCreateCounter("DrawMesh Instanced Calls"),
 			GetOrCreateCounter("Num Points Drawn"),
 			GetOrCreateCounter("Num Lines Drawn"),
 			GetOrCreateCounter("Num Tris Drawn"),

diff --git a/src/graphics/Stats.h b/src/graphics/Stats.h
@@ -22,6 +22,8 @@ namespace Graphics {
 		enum StatType {
 			// renderer entries
 			STAT_DRAWCALL = 0,
+			STAT_DRAWCALLINSTANCES,
+			STAT_DRAWCALLSINSTANCED,
 			STAT_NUM_POINTS,
 			STAT_NUM_LINES,
 			STAT_NUM_TRIS,

diff --git a/src/graphics/opengl/RendererGL.cpp b/src/graphics/opengl/RendererGL.cpp
@@ -976,7 +976,8 @@ namespace Graphics {
 
 		inst->Release();
 		CheckRenderErrors(__FUNCTION__, __LINE__);
-		m_stats.AddToStatCount(Stats::STAT_DRAWCALL, 1);
+		m_stats.AddToStatCount(Stats::STAT_DRAWCALLINSTANCES, 1);
+		m_stats.AddToStatCount(Stats::STAT_DRAWCALLSINSTANCED, inst->GetInstanceCount());
 		stat_primitives(m_stats, type, numElems);
 		return true;
 	}

diff --git a/src/pigui/PerfInfo.cpp b/src/pigui/PerfInfo.cpp
@@ -399,6 +399,8 @@ void PerfInfo::DrawRendererStats()
 {
 	const Graphics::Stats::TFrameData &stats = Pi::renderer->GetStats().FrameStatsPrevious();
 	const Uint32 numDrawCalls = stats.m_stats[Graphics::Stats::STAT_DRAWCALL];
+	const Uint32 numDrawCallInstances = stats.m_stats[Graphics::Stats::STAT_DRAWCALLINSTANCES];
+	const Uint32 numDrawCallsInstanced = stats.m_stats[Graphics::Stats::STAT_DRAWCALLSINSTANCED];
 	const Uint32 numTris = stats.m_stats[Graphics::Stats::STAT_NUM_TRIS];
 	const Uint32 numLines = stats.m_stats[Graphics::Stats::STAT_NUM_LINES];
 	const Uint32 numPoints = stats.m_stats[Graphics::Stats::STAT_NUM_POINTS];
@@ -433,8 +435,8 @@ void PerfInfo::DrawRendererStats()
 	const Uint32 cachedTextureMemUsage = tex2dMemUsage + texCubeMemUsage + texArray2dMemUsage;
 
 	ImGui::SeparatorText("Renderer");
-	ImGui::Text("%u Draw calls, %u CommandList flushes",
-		numDrawCalls, numCmdListFlushes);
+	ImGui::Text("%u Draw calls, %u Instances (%u Draw calls), %u CommandList flushes",
+		numDrawCalls, numDrawCallsInstanced, numDrawCallInstances, numCmdListFlushes);
 
 	ImGui::Indent();
 	ImGui::Text("%u points", numPoints);