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Fix GLobalSDF update when not using workload spread and add dispatches count to profiler zone data

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This commit is contained in:
Wojtek Figat
2024-06-27 09:29:09 +02:00
parent 8eaa635385
commit 7b5edc363a
1 changed files with 15 additions and 10 deletions
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25
Source/Engine/Renderer/GlobalSignDistanceFieldPass.cpp
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@@ -300,10 +300,10 @@ public:
FrameIndex = 0;
AsyncRenderContext = renderContext;
AsyncRenderContext.View.Pass = DrawPass::GlobalSDF;
const bool useCache = !reset && !GLOBAL_SDF_DEBUG_FORCE_REDRAW && GPU_SPREAD_WORKLOAD;
const bool useCache = !reset && !GLOBAL_SDF_DEBUG_FORCE_REDRAW;
static_assert(GLOBAL_SDF_RASTERIZE_CHUNK_SIZE % GLOBAL_SDF_RASTERIZE_GROUP_SIZE == 0, "Invalid chunk size for Global SDF rasterization group size.");
const int32 rasterizeChunks = Math::CeilToInt((float)resolution / (float)GLOBAL_SDF_RASTERIZE_CHUNK_SIZE);
const bool updateEveryFrame = false; // true if update all cascades every frame
const bool updateEveryFrame = !GPU_SPREAD_WORKLOAD; // true if update all cascades every frame
const int32 maxCascadeUpdatesPerFrame = 1; // maximum cascades to update at a single frame
// Rasterize world geometry into Global SDF
@@ -462,19 +462,19 @@ void GlobalSignDistanceFieldCustomBuffer::UpdateCascadeChunks(CascadeData& casca
continue;
if (e.Value.Dynamic)
{
// Remove static chunk with dynamic objects
// Remove static chunk if it contains any dynamic object
cascade.StaticChunks.Remove(e.Key);
}
else if (cascade.StaticChunks.Contains(e.Key))
{
// Skip updating static chunk
// Remove chunk from update since it's static
auto key = e.Key;
while (cascade.Chunks.Remove(key))
key.NextLayer();
}
else
{
// Add to cache (render now but skip next frame)
// Add to static cache (render now but skip next frame)
cascade.StaticChunks.Add(e.Key);
}
}
@@ -823,7 +823,7 @@ bool GlobalSignDistanceFieldPass::Render(RenderContext& renderContext, GPUContex
context->BindUA(0, textureView);
context->BindCB(1, _cb1);
constexpr int32 chunkDispatchGroups = GLOBAL_SDF_RASTERIZE_CHUNK_SIZE / GLOBAL_SDF_RASTERIZE_GROUP_SIZE;
bool anyChunkDispatch = false;
int32 chunkDispatches = 0;
if (!reset)
{
PROFILE_GPU_CPU_NAMED("Clear Chunks");
@@ -838,9 +838,10 @@ bool GlobalSignDistanceFieldPass::Render(RenderContext& renderContext, GPUContex
data.ChunkCoord = key.Coord * GLOBAL_SDF_RASTERIZE_CHUNK_SIZE;
context->UpdateCB(_cb1, &data);
context->Dispatch(_csClearChunk, chunkDispatchGroups, chunkDispatchGroups, chunkDispatchGroups);
anyChunkDispatch = true;
chunkDispatches++;
// TODO: don't stall with UAV barrier on D3D12/Vulkan if UAVs don't change between dispatches
}
ZoneValue(chunkDispatches);
}
{
PROFILE_GPU_CPU_NAMED("Rasterize Chunks");
@@ -879,7 +880,7 @@ bool GlobalSignDistanceFieldPass::Render(RenderContext& renderContext, GPUContex
context->UpdateCB(_cb1, &data);
auto cs = data.ObjectsCount != 0 ? _csRasterizeModel0 : _csClearChunk; // Terrain-only chunk can be quickly cleared
context->Dispatch(cs, chunkDispatchGroups, chunkDispatchGroups, chunkDispatchGroups);
anyChunkDispatch = true;
chunkDispatches++;
// TODO: don't stall with UAV barrier on D3D12/Vulkan if UAVs don't change between dispatches (maybe cache per-shader write/read flags for all UAVs?)
if (chunk.HeightfieldsCount != 0)
@@ -896,6 +897,7 @@ bool GlobalSignDistanceFieldPass::Render(RenderContext& renderContext, GPUContex
data.ObjectsCount = chunk.HeightfieldsCount;
context->UpdateCB(_cb1, &data);
context->Dispatch(_csRasterizeHeightfield, chunkDispatchGroups, chunkDispatchGroups, chunkDispatchGroups);
chunkDispatches++;
}
#if GLOBAL_SDF_DEBUG_CHUNKS
@@ -940,6 +942,7 @@ bool GlobalSignDistanceFieldPass::Render(RenderContext& renderContext, GPUContex
data.ObjectsCount = chunk.ModelsCount;
context->UpdateCB(_cb1, &data);
context->Dispatch(_csRasterizeModel1, chunkDispatchGroups, chunkDispatchGroups, chunkDispatchGroups);
chunkDispatches++;
}
if (chunk.HeightfieldsCount != 0)
@@ -956,13 +959,15 @@ bool GlobalSignDistanceFieldPass::Render(RenderContext& renderContext, GPUContex
data.ObjectsCount = chunk.HeightfieldsCount;
context->UpdateCB(_cb1, &data);
context->Dispatch(_csRasterizeHeightfield, chunkDispatchGroups, chunkDispatchGroups, chunkDispatchGroups);
chunkDispatches++;
}
anyChunkDispatch = true;
}
ZoneValue(chunkDispatches);
}
// Generate mip out of cascade (empty chunks have distance value 1 which is incorrect so mip will be used as a fallback - lower res)
if (reset || anyChunkDispatch)
if (reset || chunkDispatches != 0)
{
PROFILE_GPU_CPU_NAMED("Generate Mip");
context->ResetUA();