Added light boundaries debug visualization to particles.

Author: PathogenDavid

ThreeL/Main.cpp

@@ -595,7 +595,7 @@ static int MainImpl()
             ScopedTimer(context, Timer::ParticleRender);
             context.SetRenderTarget(swapChain, depthBuffer.ReadOnlyView());
             context.SetFullViewportScissor(screenSize);
-            smoke.Render(context, perFrameCbAddress, lightHeap, lightLinkedList);
+            smoke.Render(context, perFrameCbAddress, lightHeap, lightLinkedList, debugSettings.ShowLightBoundaries);
         }
 
         //-------------------------------------------------------------------------------------------------------------

ThreeL/ParticleSystem.cpp

@@ -223,7 +223,7 @@ void ParticleSystem::Update(ComputeContext& context, float deltaTime, D3D12_GPU_
     { m_UpdateSyncPoint = context.Flush(); }
 }
 
-void ParticleSystem::Render(GraphicsContext& context, D3D12_GPU_VIRTUAL_ADDRESS perFrameCb, LightHeap& lightHeap, LightLinkedList& lightLinkedList)
+void ParticleSystem::Render(GraphicsContext& context, D3D12_GPU_VIRTUAL_ADDRESS perFrameCb, LightHeap& lightHeap, LightLinkedList& lightLinkedList, bool showLightBoundaries)
 {
     PIXBeginEvent(&context, 42, L"Render '%s' particle system", m_DebugName.c_str());
 
@@ -247,7 +247,7 @@ void ParticleSystem::Render(GraphicsContext& context, D3D12_GPU_VIRTUAL_ADDRESS
     context->SetGraphicsRootDescriptorTable(ShaderInterop::ParticleRender::RpSamplerHeap, m_Graphics.SamplerHeap().GpuHeap()->GetGPUDescriptorHandleForHeapStart());
     context->SetGraphicsRootDescriptorTable(ShaderInterop::ParticleRender::RpBindlessHeap, m_Graphics.ResourceDescriptorManager().GpuHeap()->GetGPUDescriptorHandleForHeapStart());
 
-    context->SetPipelineState(m_Resources.ParticleRender);
+    context->SetPipelineState(showLightBoundaries ? m_Resources.ParticleRenderLightDebug : m_Resources.ParticleRender);
     context->IASetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
     context.DrawIndirect(m_DrawIndirectArguments);
 

ThreeL/ParticleSystem.h

@@ -53,7 +53,7 @@ class ParticleSystem
     inline void Update(ComputeContext& context, float deltaTime, D3D12_GPU_VIRTUAL_ADDRESS perFrameCb)
     { Update(context, deltaTime, perFrameCb, false); }
 
-    void Render(GraphicsContext& context, D3D12_GPU_VIRTUAL_ADDRESS perFrameCb, LightHeap& lightHeap, LightLinkedList& lightLinkedList);
+    void Render(GraphicsContext& context, D3D12_GPU_VIRTUAL_ADDRESS perFrameCb, LightHeap& lightHeap, LightLinkedList& lightLinkedList, bool showLightBoundaries = false);
 
     //! Seeds the state of the particle system by simulating it for the specified number of (simulated) seconds
     void SeedState(float numSeconds);

ThreeL/ResourceManager.cpp

@@ -47,6 +47,7 @@ ResourceManager::ResourceManager(GraphicsCore& graphics)
 
     ShaderBlobs particleRenderVs = hlslCompiler.CompileShader(L"Shaders/ParticleRender.hlsl", L"VsMainParticle", L"vs_6_0");
     ShaderBlobs particleRenderPs = hlslCompiler.CompileShader(L"Shaders/ParticleRender.hlsl", L"PsMain", L"ps_6_0");
+    ShaderBlobs particleRenderPsLightDebug = hlslCompiler.CompileShader(L"Shaders/ParticleRender.hlsl", L"PsMain", L"ps_6_0", { L"DEBUG_LIGHT_BOUNDARIES" });
 
     // Create root signatures
     PbrRootSignature = RootSignature(Graphics, pbrVs, L"PBR Root Signature");
@@ -265,5 +266,8 @@ ResourceManager::ResourceManager(GraphicsCore& graphics)
         };
 
         ParticleRender = PipelineStateObject(Graphics, description, L"Particle Render PSO");
+
+        description.PS = particleRenderPsLightDebug.ShaderBytecode();
+        ParticleRenderLightDebug = PipelineStateObject(Graphics, description, L"Particle Render PSO - Light Debug");
     }
 }

ThreeL/ResourceManager.h

@@ -64,6 +64,7 @@ struct ResourceManager
 
     RootSignature ParticleRenderRootSignature;
     PipelineStateObject ParticleRender;
+    PipelineStateObject ParticleRenderLightDebug;
 
     explicit ResourceManager(GraphicsCore& graphics);
     ResourceManager(const ResourceManager&) = delete;