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Graphics: Rework shadowing (add cascaded shadow mapping)

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- Add support for per-viewer shadows
- Add cascaded shadow mapping for directional lights (wip)
- Rework the way lights are sent to the shaders (they are now selected once per viewer)
- Fixes PointLight shadow mapping (using a dedicated pass)
- Lights out of frustum for every viewers are no longer processed (wip)
This commit is contained in:
SirLynix
2023-09-06 13:20:52 +02:00
committed by Jérôme Leclercq
parent a08850946a
commit 9aebb4f745
41 changed files with 1320 additions and 576 deletions
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20
src/Nazara/Graphics/Graphics.cpp
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@@ -240,6 +240,7 @@ namespace Nz
{
std::size_t depthPassIndex = m_materialPassRegistry.GetPassIndex("DepthPass");
std::size_t shadowPassIndex = m_materialPassRegistry.GetPassIndex("ShadowPass");
std::size_t distanceShadowPassIndex = m_materialPassRegistry.GetPassIndex("DistanceShadowPass");
std::size_t forwardPassIndex = m_materialPassRegistry.GetPassIndex("ForwardPass");
// BasicMaterial
@@ -257,9 +258,12 @@ namespace Nz
settings.AddPass(depthPassIndex, depthPass);
MaterialPass shadowPass = depthPass;
shadowPass.states.faceCulling = FaceCulling::Front;
settings.AddPass(shadowPassIndex, shadowPass);
MaterialPass distanceShadowPass = shadowPass;
distanceShadowPass.options[CRC32("DistanceDepth")] = true;
settings.AddPass(distanceShadowPassIndex, distanceShadowPass);
m_defaultMaterials.materials[MaterialType::Basic].material = std::make_shared<Material>(std::move(settings), "BasicMaterial");
}
@@ -279,9 +283,12 @@ namespace Nz
settings.AddPass(depthPassIndex, depthPass);
MaterialPass shadowPass = depthPass;
shadowPass.states.faceCulling = FaceCulling::Front;
settings.AddPass(shadowPassIndex, shadowPass);
MaterialPass distanceShadowPass = shadowPass;
distanceShadowPass.options[CRC32("DistanceDepth")] = true;
settings.AddPass(distanceShadowPassIndex, distanceShadowPass);
m_defaultMaterials.materials[MaterialType::PhysicallyBased].material = std::make_shared<Material>(std::move(settings), "PhysicallyBasedMaterial");
}
@@ -301,12 +308,12 @@ namespace Nz
settings.AddPass(depthPassIndex, depthPass);
MaterialPass shadowPass = depthPass;
shadowPass.states.faceCulling = FaceCulling::Front;
shadowPass.states.depthBias = true;
shadowPass.states.depthBiasConstantFactor = 0.005f;
shadowPass.states.depthBiasSlopeFactor = 0.05f;
settings.AddPass(shadowPassIndex, shadowPass);
MaterialPass distanceShadowPass = shadowPass;
distanceShadowPass.options[CRC32("DistanceDepth")] = true;
settings.AddPass(distanceShadowPassIndex, distanceShadowPass);
m_defaultMaterials.materials[MaterialType::Phong].material = std::make_shared<Material>(std::move(settings), "PhongMaterial");
}
@@ -399,6 +406,7 @@ namespace Nz
m_materialPassRegistry.RegisterPass("ForwardPass");
m_materialPassRegistry.RegisterPass("DepthPass");
m_materialPassRegistry.RegisterPass("ShadowPass");
m_materialPassRegistry.RegisterPass("DistanceShadowPass");
}
void Graphics::RegisterShaderModules()