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

Add SortOrder to drawable object types for transparency sorting override

Browse Source
This commit is contained in:
Wojtek Figat
2023-01-26 18:37:40 +01:00
parent 997baa3b77
commit adfe3ad165
18 changed files with 183 additions and 97 deletions
Download Patch File Download Diff File Expand all files Collapse all files

47
Source/Engine/Renderer/RenderList.cpp
View File

@@ -412,12 +412,28 @@ void RenderList::Clear()
_instanceBuffer.Clear();
}
FORCE_INLINE void CalculateSortKey(const RenderContext& renderContext, DrawCall& drawCall)
struct PackedSortKey
{
union
{
uint64 Data;
struct
{
uint32 DistanceKey;
uint16 BatchKey;
uint16 SortKey;
};
};
};
FORCE_INLINE void CalculateSortKey(const RenderContext& renderContext, DrawCall& drawCall, int16 sortOrder)
{
const Float3 planeNormal = renderContext.View.Direction;
const float planePoint = -Float3::Dot(planeNormal, renderContext.View.Position);
const float distance = Float3::Dot(planeNormal, drawCall.ObjectPosition) - planePoint;
const uint32 sortKey = RenderTools::ComputeDistanceSortKey(distance);
PackedSortKey key;
key.DistanceKey = RenderTools::ComputeDistanceSortKey(distance);
uint32 batchKey = GetHash(drawCall.Geometry.IndexBuffer);
batchKey = (batchKey * 397) ^ GetHash(drawCall.Geometry.VertexBuffers[0]);
batchKey = (batchKey * 397) ^ GetHash(drawCall.Geometry.VertexBuffers[1]);
@@ -427,10 +443,12 @@ FORCE_INLINE void CalculateSortKey(const RenderContext& renderContext, DrawCall&
if (drawCall.Material->CanUseInstancing(handler))
handler.GetHash(drawCall, batchKey);
batchKey += (int32)(471 * drawCall.WorldDeterminantSign);
drawCall.SortKey = (uint64)batchKey << 32 | (uint64)sortKey;
key.SortKey = (uint16)(sortOrder - MIN_int16);
key.BatchKey = (uint16)batchKey;
drawCall.SortKey = key.Data;
}
void RenderList::AddDrawCall(const RenderContext& renderContext, DrawPass drawModes, StaticFlags staticFlags, DrawCall& drawCall, bool receivesDecals)
void RenderList::AddDrawCall(const RenderContext& renderContext, DrawPass drawModes, StaticFlags staticFlags, DrawCall& drawCall, bool receivesDecals, int16 sortOrder)
{
#if ENABLE_ASSERTION_LOW_LAYERS
// Ensure that draw modes are non-empty and in conjunction with material draw modes
@@ -439,7 +457,7 @@ void RenderList::AddDrawCall(const RenderContext& renderContext, DrawPass drawMo
#endif
// Append draw call data
CalculateSortKey(renderContext, drawCall);
CalculateSortKey(renderContext, drawCall, sortOrder);
const int32 index = DrawCalls.Add(drawCall);
// Add draw call to proper draw lists
@@ -468,7 +486,7 @@ void RenderList::AddDrawCall(const RenderContext& renderContext, DrawPass drawMo
}
}
void RenderList::AddDrawCall(const RenderContextBatch& renderContextBatch, DrawPass drawModes, StaticFlags staticFlags, ShadowsCastingMode shadowsMode, const BoundingSphere& bounds, DrawCall& drawCall, bool receivesDecals)
void RenderList::AddDrawCall(const RenderContextBatch& renderContextBatch, DrawPass drawModes, StaticFlags staticFlags, ShadowsCastingMode shadowsMode, const BoundingSphere& bounds, DrawCall& drawCall, bool receivesDecals, int16 sortOrder)
{
#if ENABLE_ASSERTION_LOW_LAYERS
// Ensure that draw modes are non-empty and in conjunction with material draw modes
@@ -478,7 +496,7 @@ void RenderList::AddDrawCall(const RenderContextBatch& renderContextBatch, DrawP
const RenderContext& mainRenderContext = renderContextBatch.Contexts.Get()[0];
// Append draw call data
CalculateSortKey(mainRenderContext, drawCall);
CalculateSortKey(mainRenderContext, drawCall, sortOrder);
const int32 index = DrawCalls.Add(drawCall);
// Add draw call to proper draw lists
@@ -514,7 +532,7 @@ void RenderList::AddDrawCall(const RenderContextBatch& renderContextBatch, DrawP
{
const RenderContext& renderContext = renderContextBatch.Contexts.Get()[i];
ASSERT_LOW_LAYER(renderContext.View.Pass == DrawPass::Depth);
drawModes = (DrawPass)(modes & renderContext.View.Pass);
drawModes = modes & renderContext.View.Pass;
if (drawModes != DrawPass::None && renderContext.View.CullingFrustum.Intersects(bounds))
{
renderContext.List->ShadowDepthDrawCallsList.Indices.Add(index);
@@ -558,16 +576,17 @@ void RenderList::SortDrawCalls(const RenderContext& renderContext, bool reverseD
#undef PREPARE_CACHE
uint64* sortedKeys = SortingKeys[0].Get();
// Generate sort keys (by depth) and batch keys (higher bits)
// Setup sort keys
if (reverseDistance)
{
const uint32 sortKeyXor = reverseDistance ? MAX_uint32 : 0;
for (int32 i = 0; i < listSize; i++)
{
const DrawCall& drawCall = drawCallsData[listData[i]];
const uint32 sortKey = (uint32)drawCall.SortKey ^ sortKeyXor;
const uint32 batchKey = (uint32)(drawCall.SortKey >> 32);
sortedKeys[i] = (uint64)batchKey << 32 | (uint64)sortKey;
PackedSortKey key;
key.Data = drawCall.SortKey;
key.DistanceKey ^= MAX_uint32; // Reverse depth
key.SortKey ^= MAX_uint16; // Reverse sort order
sortedKeys[i] = key.Data;
}
}
else
@@ -605,7 +624,7 @@ void RenderList::SortDrawCalls(const RenderContext& renderContext, bool reverseD
}
DrawBatch batch;
batch.SortKey = sortedKeys[i] & MAX_uint32;
batch.SortKey = sortedKeys[i];
batch.StartIndex = i;
batch.BatchSize = batchSize;
batch.InstanceCount = instanceCount;