GoaLitiuM/FlaxEngine
1
0
Fork 0
Code Issues Pull Requests Actions 7 Packages Projects Releases Wiki Activity

Refactor scene rendering to use batched culling for main view and shadow projections

Browse Source
This commit is contained in:
Wojtek Figat
2022-10-28 09:13:28 +02:00
parent e217d5e79b
commit eb52d333ae
44 changed files with 1064 additions and 514 deletions
Download Patch File Download Diff File Expand all files Collapse all files

78
Source/Engine/Level/Scene/SceneRendering.cpp
View File

@@ -11,6 +11,16 @@
#include "Engine/Profiler/ProfilerCPU.h"
#endif
FORCE_INLINE bool FrustumsListCull(const BoundingSphere& bounds, const BoundingFrustum* frustums, int32 frustumsCount)
{
for (int32 i = 0; i < frustumsCount; i++)
{
if (frustums[i].Intersects(bounds))
return true;
}
return false;
}
ISceneRenderingListener::~ISceneRenderingListener()
{
for (SceneRendering* scene : _scenes)
@@ -28,60 +38,90 @@ void ISceneRenderingListener::ListenSceneRendering(SceneRendering* scene)
}
}
void SceneRendering::Draw(RenderContext& renderContext, DrawCategory category)
void SceneRendering::Draw(RenderContextBatch& renderContextBatch, DrawCategory category)
{
ScopeLock lock(Locker);
auto& view = renderContext.View;
const BoundingFrustum frustum = view.CullingFrustum;
auto& view = renderContextBatch.GetMainContext().View;
const Vector3 origin = view.Origin;
renderContext.List->Scenes.Add(this);
for (auto& renderContext : renderContextBatch.Contexts)
renderContext.List->Scenes.Add(this);
auto& list = Actors[(int32)category];
// Setup frustum data
Array<BoundingFrustum, RenderListAllocation> frustumsData;
BoundingFrustum* frustums = &view.CullingFrustum;
int32 frustumsCount = renderContextBatch.Contexts.Count();
if (frustumsCount != 1)
{
frustumsData.Resize(frustumsCount);
frustums = frustumsData.Get();
for (int32 i = 0; i < frustumsCount; i++)
frustums[i] = renderContextBatch.Contexts[i].View.CullingFrustum;
}
#define CHECK_ACTOR ((view.RenderLayersMask.Mask & e.LayerMask) && (e.NoCulling || FrustumsListCull(e.Bounds, frustums, frustumsCount)))
#define CHECK_ACTOR_SINGLE_FRUSTUM ((view.RenderLayersMask.Mask & e.LayerMask) && (e.NoCulling || frustums->Intersects(e.Bounds)))
#if SCENE_RENDERING_USE_PROFILER
#define DRAW_ACTOR(mode) PROFILE_CPU_ACTOR(e.Actor); e.Actor->Draw(mode)
#else
#define DRAW_ACTOR(mode) e.Actor->Draw(mode)
#endif
// Draw all visual components
if (view.IsOfflinePass)
{
// Offline pass with additional static flags culling
for (int32 i = 0; i < list.Count(); i++)
{
auto e = list.Get()[i];
e.Bounds.Center -= origin;
if (view.RenderLayersMask.Mask & e.LayerMask && (e.NoCulling || frustum.Intersects(e.Bounds)) && e.Actor->GetStaticFlags() & view.StaticFlagsMask)
if (CHECK_ACTOR && e.Actor->GetStaticFlags() & view.StaticFlagsMask)
{
#if SCENE_RENDERING_USE_PROFILER
PROFILE_CPU_ACTOR(e.Actor);
#endif
e.Actor->Draw(renderContext);
DRAW_ACTOR(renderContextBatch);
}
}
}
else if (origin.IsZero() && frustumsCount == 1)
{
// Fast path for no origin shifting with a single context
auto& renderContext = renderContextBatch.Contexts[0];
for (int32 i = 0; i < list.Count(); i++)
{
auto e = list.Get()[i];
if (CHECK_ACTOR_SINGLE_FRUSTUM)
{
DRAW_ACTOR(renderContext);
}
}
}
else if (origin.IsZero())
{
// Fast path for no origin shifting
for (int32 i = 0; i < list.Count(); i++)
{
auto e = list.Get()[i];
if (view.RenderLayersMask.Mask & e.LayerMask && (e.NoCulling || frustum.Intersects(e.Bounds)))
if (CHECK_ACTOR)
{
#if SCENE_RENDERING_USE_PROFILER
PROFILE_CPU_ACTOR(e.Actor);
#endif
e.Actor->Draw(renderContext);
DRAW_ACTOR(renderContextBatch);
}
}
}
else
{
// Generic case
for (int32 i = 0; i < list.Count(); i++)
{
auto e = list.Get()[i];
e.Bounds.Center -= origin;
if (view.RenderLayersMask.Mask & e.LayerMask && (e.NoCulling || frustum.Intersects(e.Bounds)))
if (CHECK_ACTOR)
{
#if SCENE_RENDERING_USE_PROFILER
PROFILE_CPU_ACTOR(e.Actor);
#endif
e.Actor->Draw(renderContext);
DRAW_ACTOR(renderContextBatch);
}
}
}
#undef CHECK_ACTOR
#undef DRAW_ACTOR
#if USE_EDITOR
if (view.Pass & DrawPass::GBuffer && category == SceneDraw)
{