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Optimize local lights sphere mesh rendering to match the area better

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This commit is contained in:
Wojtek Figat
2024-04-05 12:48:09 +02:00
parent 0cc6669cbd
commit 3efd1e4e84
6 changed files with 53 additions and 91 deletions
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23
Source/Engine/Renderer/ReflectionsPass.cpp
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@@ -267,12 +267,10 @@ bool ReflectionsPass::Init()
// Load assets
_shader = Content::LoadAsyncInternal<Shader>(TEXT("Shaders/Reflections"));
_sphereModel = Content::LoadAsyncInternal<Model>(TEXT("Engine/Models/SphereLowPoly"));
_sphereModel = Content::LoadAsyncInternal<Model>(TEXT("Engine/Models/Sphere"));
_preIntegratedGF = Content::LoadAsyncInternal<Texture>(PRE_INTEGRATED_GF_ASSET_NAME);
if (_shader == nullptr || _sphereModel == nullptr || _preIntegratedGF == nullptr)
{
return true;
}
#if COMPILE_WITH_DEV_ENV
_shader.Get()->OnReloading.Bind<ReflectionsPass, &ReflectionsPass::OnShaderReloading>(this);
#endif
@@ -305,7 +303,7 @@ bool ReflectionsPass::setupResources()
psDesc.PS = shader->GetPS("PS_EnvProbe");
if (_psProbeNormal->Init(psDesc))
return true;
psDesc.CullMode = CullMode::Inverted;
psDesc.CullMode = CullMode::TwoSided;
if (_psProbeInverted->Init(psDesc))
return true;
}
@@ -399,21 +397,15 @@ void ReflectionsPass::Render(RenderContext& renderContext, GPUTextureView* light
Sorting::QuickSort(renderContext.List->EnvironmentProbes.Get(), renderContext.List->EnvironmentProbes.Count(), &SortProbes);
// Render all env probes
auto& sphereMesh = _sphereModel->LODs.Get()[0].Meshes.Get()[0];
for (int32 i = 0; i < probesCount; i++)
{
// Cache data
const RenderEnvironmentProbeData& probe = renderContext.List->EnvironmentProbes.Get()[i];
// Get distance from view center to light center less radius (check if view is inside a sphere)
const float sphereModelScale = 2.0f;
float distance = ViewToCenterLessRadius(view, probe.Position, probe.Radius);
bool isViewInside = distance < 0;
// Calculate world view projection matrix for the light sphere
Matrix world, wvp, matrix;
Matrix::Scaling(probe.Radius * sphereModelScale, wvp);
Matrix::Translation(probe.Position, matrix);
Matrix::Multiply(wvp, matrix, world);
Matrix world, wvp;
bool isViewInside;
RenderTools::ComputeSphereModelDrawMatrix(renderContext.View, probe.Position, probe.Radius, world, isViewInside);
Matrix::Multiply(world, view.ViewProjection(), wvp);
// Pack probe properties buffer
@@ -424,9 +416,8 @@ void ReflectionsPass::Render(RenderContext& renderContext, GPUTextureView* light
context->UpdateCB(cb, &data);
context->BindCB(0, cb);
context->BindSR(4, probe.Texture);
context->SetState(isViewInside ? _psProbeInverted : _psProbeNormal);
_sphereModel->Render(context);
sphereMesh.Render(context);
}
context->UnBindSR(4);