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Fix GlobalSDF rasterization of heightfield

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This commit is contained in:
Wojtek Figat
2022-11-02 20:30:13 +01:00
parent 6a61b692aa
commit 5bd56cae81
1 changed files with 11 additions and 22 deletions
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33
Source/Engine/Renderer/GlobalSignDistanceFieldPass.cpp
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@@ -93,17 +93,10 @@ struct RasterizeChunk
}
};
struct RasterizeModelSDF
struct RasterizeObject
{
Actor* Actor;
const ModelBase::SDFData* SDF;
Transform LocalToWorld;
BoundingBox ObjectBounds;
};
struct RasterizeHeightfield
{
Actor* Actor;
GPUTexture* Heightfield;
Transform LocalToWorld;
BoundingBox ObjectBounds;
@@ -264,8 +257,7 @@ public:
namespace
{
Dictionary<RasterizeChunkKey, RasterizeChunk> ChunksCache;
Array<RasterizeModelSDF> RasterizeModelSDFCache;
Array<RasterizeHeightfield> RasterizeHeightfieldCache;
Array<RasterizeObject> RasterizeObjectsCache;
Dictionary<uint16, uint16> ObjectIndexToDataIndexCache;
}
@@ -359,8 +351,7 @@ void GlobalSignDistanceFieldPass::Dispose()
SAFE_DELETE_GPU_RESOURCE(_psDebug);
_shader = nullptr;
ChunksCache.SetCapacity(0);
RasterizeModelSDFCache.SetCapacity(0);
RasterizeHeightfieldCache.SetCapacity(0);
RasterizeObjectsCache.SetCapacity(0);
ObjectIndexToDataIndexCache.SetCapacity(0);
}
@@ -530,8 +521,7 @@ bool GlobalSignDistanceFieldPass::Render(RenderContext& renderContext, GPUContex
{
PROFILE_CPU_NAMED("Clear");
chunks.Clear();
RasterizeModelSDFCache.Clear();
RasterizeHeightfieldCache.Clear();
RasterizeObjectsCache.Clear();
_objectsBuffer->Clear();
_objectsTextures.Clear();
}
@@ -645,8 +635,7 @@ bool GlobalSignDistanceFieldPass::Render(RenderContext& renderContext, GPUContex
objectIndexToDataIndexCache.Clear();
// Write used objects to the buffer
const auto& rasterizeModelSDFCache = RasterizeModelSDFCache;
const auto& rasterizeHeightfieldCache = RasterizeHeightfieldCache;
const auto& rasterizeObjectsCache = RasterizeObjectsCache;
for (const auto& e : chunks)
{
auto& chunk = e.Value;
@@ -655,7 +644,7 @@ bool GlobalSignDistanceFieldPass::Render(RenderContext& renderContext, GPUContex
auto objectIndex = chunk.Models[i];
if (objectIndexToDataIndexCache.ContainsKey(objectIndex))
continue;
const auto& object = rasterizeModelSDFCache.Get()[objectIndex];
const auto& object = rasterizeObjectsCache.Get()[objectIndex];
// Pick the SDF mip for the cascade
int32 mipLevelIndex = 1;
@@ -697,7 +686,7 @@ bool GlobalSignDistanceFieldPass::Render(RenderContext& renderContext, GPUContex
auto objectIndex = chunk.Heightfields[i];
if (objectIndexToDataIndexCache.ContainsKey(objectIndex))
continue;
const auto& object = rasterizeHeightfieldCache.Get()[objectIndex];
const auto& object = rasterizeObjectsCache.Get()[objectIndex];
// Add object data for the GPU buffer
uint16 dataIndex = _objectsBufferCount++;
@@ -966,8 +955,8 @@ void GlobalSignDistanceFieldPass::RasterizeModelSDF(Actor* actor, const ModelBas
const Int3 objectChunkMax(objectBoundsCascade.Maximum / chunkSize);
// Add object data
const uint16 dataIndex = RasterizeModelSDFCache.Count();
auto& data = RasterizeModelSDFCache.AddOne();
const uint16 dataIndex = RasterizeObjectsCache.Count();
auto& data = RasterizeObjectsCache.AddOne();
data.Actor = actor;
data.SDF = &sdf;
data.LocalToWorld = localToWorld;
@@ -1028,8 +1017,8 @@ void GlobalSignDistanceFieldPass::RasterizeHeightfield(Actor* actor, GPUTexture*
const Int3 objectChunkMax(objectBoundsCascade.Maximum / chunkSize);
// Add object data
const uint16 dataIndex = RasterizeHeightfieldCache.Count();
auto& data = RasterizeHeightfieldCache.AddOne();
const uint16 dataIndex = RasterizeObjectsCache.Count();
auto& data = RasterizeObjectsCache.AddOne();
data.Actor = actor;
data.Heightfield = heightfield;
data.LocalToWorld = localToWorld;