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Initial transform feedback support (#1370)

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* Initial transform feedback support

* Some nits and fixes

* Update ReportCounterType and Write method

* Can't change shader or TFB bindings while TFB is active

* Fix geometry shader input names with new naming
This commit is contained in:
gdkchan 2020-07-15 00:01:10 -03:00 • committed by GitHub
parent 16dafe6316
commit 788ca6a411
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GPG key ID: 4AEE18F83AFDEB23
23 changed files with 468 additions and 68 deletions
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50
Ryujinx.Graphics.Gpu/Memory/BufferManager.cs
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@ -24,8 +24,8 @@ namespace Ryujinx.Graphics.Gpu.Memory
private Buffer[] _bufferOverlaps;
private IndexBuffer _indexBuffer;
private VertexBuffer[] _vertexBuffers;
private BufferBounds[] _transformFeedbackBuffers;
private class BuffersPerStage
{
@ -56,6 +56,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
private bool _indexBufferDirty;
private bool _vertexBuffersDirty;
private uint _vertexBuffersEnableMask;
private bool _transformFeedbackBuffersDirty;
private bool _rebind;
@ -73,6 +74,8 @@ namespace Ryujinx.Graphics.Gpu.Memory
_vertexBuffers = new VertexBuffer[Constants.TotalVertexBuffers];
_transformFeedbackBuffers = new BufferBounds[Constants.TotalTransformFeedbackBuffers];
_cpStorageBuffers = new BuffersPerStage(Constants.TotalCpStorageBuffers);
_cpUniformBuffers = new BuffersPerStage(Constants.TotalCpUniformBuffers);
@ -144,6 +147,16 @@ namespace Ryujinx.Graphics.Gpu.Memory
}
}
public void SetTransformFeedbackBuffer(int index, ulong gpuVa, ulong size)
{
ulong address = TranslateAndCreateBuffer(gpuVa, size);
_transformFeedbackBuffers[index].Address = address;
_transformFeedbackBuffers[index].Size = size;
_transformFeedbackBuffersDirty = true;
}
/// <summary>
/// Sets a storage buffer on the compute pipeline.
/// Storage buffers can be read and written to on shaders.
@ -522,6 +535,41 @@ namespace Ryujinx.Graphics.Gpu.Memory
}
}
if (_transformFeedbackBuffersDirty)
{
_transformFeedbackBuffersDirty = false;
for (int index = 0; index < Constants.TotalTransformFeedbackBuffers; index++)
{
BufferBounds tfb = _transformFeedbackBuffers[index];
if (tfb.Address == 0)
{
_context.Renderer.Pipeline.SetTransformFeedbackBuffer(index, new BufferRange(BufferHandle.Null, 0, 0));
continue;
}
BufferRange buffer = GetBufferRange(tfb.Address, tfb.Size);
_context.Renderer.Pipeline.SetTransformFeedbackBuffer(index, buffer);
}
}
else
{
for (int index = 0; index < Constants.TotalTransformFeedbackBuffers; index++)
{
BufferBounds tfb = _transformFeedbackBuffers[index];
if (tfb.Address == 0)
{
continue;
}
SynchronizeBufferRange(tfb.Address, tfb.Size);
}
}
if (_gpStorageBuffersDirty || _rebind)
{
_gpStorageBuffersDirty = false;