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Calculate vertex buffer sizes from index buffer (#1663)

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* Calculate vertex buffer size from maximum index buffer index

* Increase maximum index buffer count for it to be considered profitable for counting
This commit is contained in:
gdkchan 2021-08-11 17:06:09 -03:00 • committed by GitHub
parent bb8a920b63
commit 10d649e6d3
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 352 additions and 5 deletions
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43
Ryujinx.Graphics.Gpu/Engine/Threed/StateUpdater.cs
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@ -34,6 +34,8 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
private byte _vsClipDistancesWritten;
private bool _prevDrawIndexed;
private int _prevFirstIndex;
private int _prevIndexCount;
private bool _prevTfEnable;
/// <summary>
@ -182,10 +184,25 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
// method when doing indexed draws, so we need to make sure
// to update the vertex buffers if we are doing a regular
// draw after a indexed one and vice-versa.
if (_drawState.DrawIndexed != _prevDrawIndexed)
if (GraphicsConfig.EnableIndexedVbSizeDetection)
{
_updateTracker.ForceDirty(VertexBufferStateIndex);
_prevDrawIndexed = _drawState.DrawIndexed;
if (_drawState.DrawIndexed != _prevDrawIndexed ||
_drawState.FirstIndex != _prevFirstIndex ||
_drawState.IndexCount != _prevIndexCount)
{
_updateTracker.ForceDirty(VertexBufferStateIndex);
_prevDrawIndexed = _drawState.DrawIndexed;
_prevFirstIndex = _drawState.FirstIndex;
_prevIndexCount = _drawState.IndexCount;
}
}
else
{
if (_drawState.DrawIndexed != _prevDrawIndexed)
{
_updateTracker.ForceDirty(VertexBufferStateIndex);
_prevDrawIndexed = _drawState.DrawIndexed;
}
}
bool tfEnable = _state.State.TfEnable;
@ -782,7 +799,25 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
{
// This size may be (much) larger than the real vertex buffer size.
// Avoid calculating it this way, unless we don't have any other option.
size = endAddress.Pack() - address + 1;
ulong vbSizeMax = endAddress.Pack() - address + 1;
int firstIndex = _drawState.FirstIndex;
int indexCount = _drawState.IndexCount;
bool ibCountingProfitable = GraphicsConfig.EnableIndexedVbSizeDetection && IbUtils.IsIbCountingProfitable(vbSizeMax, indexCount);
if (ibCountingProfitable && !_drawState.IbStreamer.HasInlineIndexData && _drawState.DrawIndexed && stride != 0)
{
IndexType ibType = _state.State.IndexBufferState.Type;
ulong ibGpuVa = _state.State.IndexBufferState.Address.Pack();
ulong vertexCount = IbUtils.GetVertexCount(_channel.MemoryManager, ibType, ibGpuVa, firstIndex, indexCount);
size = Math.Min(vertexCount * (ulong)stride, vbSizeMax);
}
else
{
size = vbSizeMax;
}
}
else
{