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Optimize DrawCall to pack indirect draw arg and graphics draw data with union

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This commit is contained in:
Wojtek Figat
2021-02-15 11:52:06 +01:00
parent e42a6b0ccc
commit c9ea812a24
10 changed files with 57 additions and 66 deletions
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18
Source/Engine/Renderer/RenderList.cpp
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@@ -514,8 +514,8 @@ namespace
return a.Material == b.Material &&
a.Material->CanUseInstancing(handler) &&
Platform::MemoryCompare(&a.Geometry, &b.Geometry, sizeof(a.Geometry)) == 0 &&
a.IndirectArgsBuffer == nullptr &&
b.IndirectArgsBuffer == nullptr &&
a.InstanceCount != 0 &&
b.InstanceCount != 0 &&
a.WorldDeterminantSign == b.WorldDeterminantSign;
}
}
@@ -690,20 +690,20 @@ DRAW:
context->BindIB(drawCall.Geometry.IndexBuffer);
if (drawCall.IndirectArgsBuffer)
if (drawCall.InstanceCount == 0)
{
// No support for batching indirect draw calls
ASSERT(batch.BatchSize == 1);
context->BindVB(ToSpan(vb, vbCount), vbOffsets);
context->DrawIndexedInstancedIndirect(drawCall.IndirectArgsBuffer, drawCall.IndirectArgsOffset);
context->DrawIndexedInstancedIndirect(drawCall.Draw.IndirectArgsBuffer, drawCall.Draw.IndirectArgsOffset);
}
else
{
if (batch.BatchSize == 1)
{
context->BindVB(ToSpan(vb, vbCount), vbOffsets);
context->DrawIndexedInstanced(drawCall.Geometry.IndicesCount, batch.InstanceCount, 0, 0, drawCall.Geometry.StartIndex);
context->DrawIndexedInstanced(drawCall.Draw.IndicesCount, batch.InstanceCount, 0, 0, drawCall.Draw.StartIndex);
}
else
{
@@ -712,7 +712,7 @@ DRAW:
vbOffsets[vbCount] = 0;
vbCount++;
context->BindVB(ToSpan(vb, vbCount), vbOffsets);
context->DrawIndexedInstanced(drawCall.Geometry.IndicesCount, batch.InstanceCount, instanceBufferOffset, 0, drawCall.Geometry.StartIndex);
context->DrawIndexedInstanced(drawCall.Draw.IndicesCount, batch.InstanceCount, instanceBufferOffset, 0, drawCall.Draw.StartIndex);
instanceBufferOffset += batch.BatchSize;
}
@@ -735,13 +735,13 @@ DRAW:
context->BindIB(drawCall.Geometry.IndexBuffer);
context->BindVB(ToSpan(drawCall.Geometry.VertexBuffers, 3), drawCall.Geometry.VertexBuffersOffsets);
if (drawCall.IndirectArgsBuffer)
if (drawCall.InstanceCount == 0)
{
context->DrawIndexedInstancedIndirect(drawCall.IndirectArgsBuffer, drawCall.IndirectArgsOffset);
context->DrawIndexedInstancedIndirect(drawCall.Draw.IndirectArgsBuffer, drawCall.Draw.IndirectArgsOffset);
}
else
{
context->DrawIndexedInstanced(drawCall.Geometry.IndicesCount, drawCall.InstanceCount, 0, 0, drawCall.Geometry.StartIndex);
context->DrawIndexedInstanced(drawCall.Draw.IndicesCount, drawCall.InstanceCount, 0, 0, drawCall.Draw.StartIndex);
}
}
}