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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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21
include/Nazara/Graphics/ForwardFramePipeline.hpp
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@@ -13,7 +13,6 @@
#include <Nazara/Graphics/Config.hpp>
#include <Nazara/Graphics/DebugDrawPipelinePass.hpp>
#include <Nazara/Graphics/DepthPipelinePass.hpp>
#include <Nazara/Graphics/ElementRenderer.hpp>
#include <Nazara/Graphics/ForwardPipelinePass.hpp>
#include <Nazara/Graphics/FramePipeline.hpp>
#include <Nazara/Graphics/InstancedRenderable.hpp>
@@ -35,6 +34,7 @@
namespace Nz
{
class LightShadowData;
class RenderFrame;
class RenderTarget;
@@ -59,7 +59,8 @@ namespace Nz
std::size_t RegisterWorldInstance(WorldInstancePtr worldInstance) override;
const Light* RetrieveLight(std::size_t lightIndex) const override;
const Texture* RetrieveLightShadowmap(std::size_t lightIndex) const override;
const LightShadowData* RetrieveLightShadowData(std::size_t lightIndex) const override;
const Texture* RetrieveLightShadowmap(std::size_t lightIndex, const AbstractViewer* viewer) const override;
void Render(RenderFrame& renderFrame) override;
@@ -132,6 +133,12 @@ namespace Nz
struct ViewerData
{
struct FrameData
{
Bitset<UInt64> visibleLights;
Frustumf frustum;
};
std::size_t finalColorAttachment;
std::size_t forwardColorAttachment;
std::size_t debugColorAttachment;
@@ -145,6 +152,8 @@ namespace Nz
RenderQueueRegistry forwardRegistry;
RenderQueue<RenderElement*> forwardRenderQueue;
ShaderBindingPtr blitShaderBinding;
FrameData frame;
bool pendingDestruction = false;
NazaraSlot(TransferInterface, OnTransferRequired, onTransferRequired);
};
@@ -158,17 +167,17 @@ namespace Nz
std::unordered_map<const RenderTarget*, RenderTargetData> m_renderTargets;
std::unordered_map<MaterialInstance*, MaterialInstanceData> m_materialInstances;
std::vector<ElementRenderer::RenderStates> m_renderStates;
mutable std::vector<FramePipelinePass::VisibleRenderable> m_visibleRenderables;
std::vector<std::size_t> m_visibleLights;
robin_hood::unordered_set<TransferInterface*> m_transferSet;
BakedFrameGraph m_bakedFrameGraph;
Bitset<UInt64> m_shadowCastingLights;
Bitset<UInt64> m_activeLights;
Bitset<UInt64> m_removedSkeletonInstances;
Bitset<UInt64> m_removedViewerInstances;
Bitset<UInt64> m_removedWorldInstances;
Bitset<UInt64> m_shadowCastingLights;
Bitset<UInt64> m_visibleShadowCastingLights;
ElementRendererRegistry& m_elementRegistry;
mutable MemoryPool<RenderableData> m_renderablePool; //< FIXME: has to be mutable because MemoryPool has no const_iterator
MemoryPool<RenderableData> m_renderablePool;
MemoryPool<LightData> m_lightPool;
MemoryPool<SkeletonInstanceData> m_skeletonInstances;
MemoryPool<ViewerData> m_viewerPool;