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Render target deduplication

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not sure if this is working
This commit is contained in:
Isaac Marovitz 2024-06-26 23:52:38 +01:00 committed by Isaac Marovitz
parent ef4a2fb3b5
commit 242fcc2481
2 changed files with 91 additions and 22 deletions
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3
src/Ryujinx.Graphics.Metal/EncoderState.cs
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@ -98,6 +98,9 @@ namespace Ryujinx.Graphics.Metal
// Changes to attachments take recreation!
public Texture DepthStencil = default;
public Texture[] RenderTargets = new Texture[Constants.MaxColorAttachments];
public ITexture PreMaskDepthStencil = default;
public ITexture[] PreMaskRenderTargets;
public bool FramebufferUsingColorWriteMask;
public MTLColorWriteMask[] RenderTargetMasks = Enumerable.Repeat(MTLColorWriteMask.All, Constants.MaxColorAttachments).ToArray();
public BlendDescriptor?[] BlendDescriptors = new BlendDescriptor?[Constants.MaxColorAttachments];

110
src/Ryujinx.Graphics.Metal/EncoderStateManager.cs
View file

@ -429,6 +429,88 @@ namespace Ryujinx.Graphics.Metal
public void UpdateRenderTargets(ITexture[] colors, ITexture depthStencil)
{
_currentState.FramebufferUsingColorWriteMask = false;
UpdateRenderTargetsInternal(colors, depthStencil);
}
public void UpdateRenderTargetColorMasks(ReadOnlySpan<uint> componentMask)
{
_currentState.RenderTargetMasks = new MTLColorWriteMask[Constants.MaxColorAttachments];
for (int i = 0; i < componentMask.Length; i++)
{
bool red = (componentMask[i] & (0x1 << 0)) != 0;
bool green = (componentMask[i] & (0x1 << 1)) != 0;
bool blue = (componentMask[i] & (0x1 << 2)) != 0;
bool alpha = (componentMask[i] & (0x1 << 3)) != 0;
var mask = MTLColorWriteMask.None;
mask |= red ? MTLColorWriteMask.Red : 0;
mask |= green ? MTLColorWriteMask.Green : 0;
mask |= blue ? MTLColorWriteMask.Blue : 0;
mask |= alpha ? MTLColorWriteMask.Alpha : 0;
_currentState.RenderTargetMasks[i] = mask;
}
if (_currentState.FramebufferUsingColorWriteMask)
{
UpdateRenderTargetsInternal(_currentState.PreMaskRenderTargets, _currentState.PreMaskDepthStencil);
}
else
{
// Requires recreating pipeline
if (_pipeline.CurrentEncoderType == EncoderType.Render)
{
_pipeline.EndCurrentPass();
}
}
}
private void UpdateRenderTargetsInternal(ITexture[] colors, ITexture depthStencil)
{
// TBDR GPUs don't work properly if the same attachment is bound to multiple targets,
// due to each attachment being a copy of the real attachment, rather than a direct write.
//
// Just try to remove duplicate attachments.
// Save a copy of the array to rebind when mask changes.
// Look for textures that are masked out.
for (int i = 0; i < colors.Length; i++)
{
if (colors[i] == null)
{
continue;
}
ref var mtlMask = ref _currentState.RenderTargetMasks[i];
for (int j = 0; j < i; j++)
{
// Check each binding for a duplicate binding before it.
if (colors[i] == colors[j])
{
// Prefer the binding with no write mask.
ref var mtlMask2 = ref _currentState.RenderTargetMasks[j];
if (mtlMask == 0)
{
colors[i] = null;
MaskOut(colors, depthStencil);
}
else if (mtlMask2 == 0)
{
colors[j] = null;
MaskOut(colors, depthStencil);
}
}
}
}
_currentState.RenderTargets = new Texture[Constants.MaxColorAttachments];
for (int i = 0; i < colors.Length; i++)
@ -457,32 +539,16 @@ namespace Ryujinx.Graphics.Metal
}
}
public void UpdateRenderTargetColorMasks(ReadOnlySpan<uint> componentMask)
private void MaskOut(ITexture[] colors, ITexture depthStencil)
{
_currentState.RenderTargetMasks = new MTLColorWriteMask[Constants.MaxColorAttachments];
for (int i = 0; i < componentMask.Length; i++)
if (!_currentState.FramebufferUsingColorWriteMask)
{
bool red = (componentMask[i] & (0x1 << 0)) != 0;
bool green = (componentMask[i] & (0x1 << 1)) != 0;
bool blue = (componentMask[i] & (0x1 << 2)) != 0;
bool alpha = (componentMask[i] & (0x1 << 3)) != 0;
var mask = MTLColorWriteMask.None;
mask |= red ? MTLColorWriteMask.Red : 0;
mask |= green ? MTLColorWriteMask.Green : 0;
mask |= blue ? MTLColorWriteMask.Blue : 0;
mask |= alpha ? MTLColorWriteMask.Alpha : 0;
_currentState.RenderTargetMasks[i] = mask;
_currentState.PreMaskRenderTargets = colors;
_currentState.PreMaskDepthStencil = depthStencil;
}
// Requires recreating pipeline
if (_pipeline.CurrentEncoderType == EncoderType.Render)
{
_pipeline.EndCurrentPass();
}
// If true, then the framebuffer must be recreated when the mask changes.
_currentState.FramebufferUsingColorWriteMask = true;
}
public void UpdateVertexAttribs(ReadOnlySpan<VertexAttribDescriptor> vertexAttribs)