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Size hints for copy regions and viewport dimensions to avoid data loss (#1686)

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* Size hints for copy regions and viewport dimensions to avoid data loss

* Reword comment.

* Use info for the rule rather than calculating aligned size.

* Reorder min/max, remove spaces
This commit is contained in:
riperiperi 2020-11-10 00:41:13 +00:00 committed by GitHub
parent c3d62bd078
commit 02872833b6
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 111 additions and 45 deletions
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44
Ryujinx.Graphics.Gpu/Engine/MethodCopyTexture.cs
View file

@ -1,6 +1,7 @@
using Ryujinx.Graphics.GAL;
using Ryujinx.Graphics.Gpu.Image;
using Ryujinx.Graphics.Gpu.State;
using Ryujinx.Graphics.Texture;
using System;
namespace Ryujinx.Graphics.Gpu.Engine
@ -19,9 +20,30 @@ namespace Ryujinx.Graphics.Gpu.Engine
var dstCopyTexture = state.Get<CopyTexture>(MethodOffset.CopyDstTexture);
var srcCopyTexture = state.Get<CopyTexture>(MethodOffset.CopySrcTexture);
var region = state.Get<CopyRegion>(MethodOffset.CopyRegion);
var control = state.Get<CopyTextureControl>(MethodOffset.CopyTextureControl);
int srcX1 = (int)(region.SrcXF >> 32);
int srcY1 = (int)(region.SrcYF >> 32);
int srcX2 = (int)((region.SrcXF + region.SrcWidthRF * region.DstWidth) >> 32);
int srcY2 = (int)((region.SrcYF + region.SrcHeightRF * region.DstHeight) >> 32);
int dstX1 = region.DstX;
int dstY1 = region.DstY;
int dstX2 = region.DstX + region.DstWidth;
int dstY2 = region.DstY + region.DstHeight;
// The source and destination textures should at least be as big as the region being requested.
// The hints will only resize within alignment constraints, so out of bound copies won't resize in most cases.
var srcHint = new Size(srcX2, srcY2, 1);
var dstHint = new Size(dstX2, dstY2, 1);
var srcCopyTextureFormat = srcCopyTexture.Format.Convert();
Texture srcTexture = TextureManager.FindOrCreateTexture(srcCopyTexture, srcCopyTextureFormat);
Texture srcTexture = TextureManager.FindOrCreateTexture(srcCopyTexture, srcCopyTextureFormat, true, srcHint);
if (srcTexture == null)
{
@ -42,7 +64,7 @@ namespace Ryujinx.Graphics.Gpu.Engine
dstCopyTextureFormat = dstCopyTexture.Format.Convert();
}
Texture dstTexture = TextureManager.FindOrCreateTexture(dstCopyTexture, dstCopyTextureFormat, srcTexture.ScaleMode == TextureScaleMode.Scaled);
Texture dstTexture = TextureManager.FindOrCreateTexture(dstCopyTexture, dstCopyTextureFormat, srcTexture.ScaleMode == TextureScaleMode.Scaled, dstHint);
if (dstTexture == null)
{
@ -54,22 +76,6 @@ namespace Ryujinx.Graphics.Gpu.Engine
srcTexture.PropagateScale(dstTexture);
}
var control = state.Get<CopyTextureControl>(MethodOffset.CopyTextureControl);
var region = state.Get<CopyRegion>(MethodOffset.CopyRegion);
int srcX1 = (int)(region.SrcXF >> 32);
int srcY1 = (int)(region.SrcYF >> 32);
int srcX2 = (int)((region.SrcXF + region.SrcWidthRF * region.DstWidth) >> 32);
int srcY2 = (int)((region.SrcYF + region.SrcHeightRF * region.DstHeight) >> 32);
int dstX1 = region.DstX;
int dstY1 = region.DstY;
int dstX2 = region.DstX + region.DstWidth;
int dstY2 = region.DstY + region.DstHeight;
float scale = srcTexture.ScaleFactor; // src and dest scales are identical now.
Extents2D srcRegion = new Extents2D(
@ -100,7 +106,7 @@ namespace Ryujinx.Graphics.Gpu.Engine
{
srcCopyTexture.Height++;
srcTexture = TextureManager.FindOrCreateTexture(srcCopyTexture, srcCopyTextureFormat, srcTexture.ScaleMode == TextureScaleMode.Scaled);
srcTexture = TextureManager.FindOrCreateTexture(srcCopyTexture, srcCopyTextureFormat, srcTexture.ScaleMode == TextureScaleMode.Scaled, srcHint);
if (srcTexture.ScaleFactor != dstTexture.ScaleFactor)
{
srcTexture.PropagateScale(dstTexture);

8
Ryujinx.Graphics.Gpu/Engine/Methods.cs
View file

@ -5,6 +5,7 @@ using Ryujinx.Graphics.Gpu.Memory;
using Ryujinx.Graphics.Gpu.Shader;
using Ryujinx.Graphics.Gpu.State;
using Ryujinx.Graphics.Shader;
using Ryujinx.Graphics.Texture;
using System;
using System.Linq;
using System.Runtime.InteropServices;
@ -354,6 +355,9 @@ namespace Ryujinx.Graphics.Gpu.Engine
int samplesInX = msaaMode.SamplesInX();
int samplesInY = msaaMode.SamplesInY();
var extents = state.Get<ViewportExtents>(MethodOffset.ViewportExtents, 0);
Size sizeHint = new Size(extents.X + extents.Width, extents.Y + extents.Height, 1);
bool changedScale = false;
for (int index = 0; index < Constants.TotalRenderTargets; index++)
@ -369,7 +373,7 @@ namespace Ryujinx.Graphics.Gpu.Engine
continue;
}
Texture color = TextureManager.FindOrCreateTexture(colorState, samplesInX, samplesInY);
Texture color = TextureManager.FindOrCreateTexture(colorState, samplesInX, samplesInY, sizeHint);
changedScale |= TextureManager.SetRenderTargetColor(index, color);
@ -388,7 +392,7 @@ namespace Ryujinx.Graphics.Gpu.Engine
var dsState = state.Get<RtDepthStencilState>(MethodOffset.RtDepthStencilState);
var dsSize = state.Get<Size3D>(MethodOffset.RtDepthStencilSize);
depthStencil = TextureManager.FindOrCreateTexture(dsState, dsSize, samplesInX, samplesInY);
depthStencil = TextureManager.FindOrCreateTexture(dsState, dsSize, samplesInX, samplesInY, sizeHint);
}
changedScale |= TextureManager.SetRenderTargetDepthStencil(depthStencil);

8
Ryujinx.Graphics.Gpu/Image/Texture.cs
View file

@ -50,6 +50,12 @@ namespace Ryujinx.Graphics.Gpu.Image
/// </summary>
public bool IsModified { get; internal set; }
/// <summary>
/// Set when a texture has been changed size. This indicates that it may need to be
/// changed again when obtained as a sampler.
/// </summary>
public bool ChangedSize { get; internal set; }
private int _depth;
private int _layers;
private int _firstLayer;
@ -353,6 +359,8 @@ namespace Ryujinx.Graphics.Gpu.Image
/// <param name="depthOrLayers">The new texture depth (for 3D textures) or layers (for layered textures)</param>
private void RecreateStorageOrView(int width, int height, int depthOrLayers)
{
ChangedSize = true;
SetInfo(new TextureInfo(
Info.Address,
width,

80
Ryujinx.Graphics.Gpu/Image/TextureManager.cs
View file

@ -453,8 +453,9 @@ namespace Ryujinx.Graphics.Gpu.Image
/// <param name="copyTexture">Copy texture to find or create</param>
/// <param name="formatInfo">Format information of the copy texture</param>
/// <param name="preferScaling">Indicates if the texture should be scaled from the start</param>
/// <param name="sizeHint">A hint indicating the minimum used size for the texture</param>
/// <returns>The texture</returns>
public Texture FindOrCreateTexture(CopyTexture copyTexture, FormatInfo formatInfo, bool preferScaling = true)
public Texture FindOrCreateTexture(CopyTexture copyTexture, FormatInfo formatInfo, bool preferScaling = true, Size? sizeHint = null)
{
ulong address = _context.MemoryManager.Translate(copyTexture.Address.Pack());
@ -500,7 +501,7 @@ namespace Ryujinx.Graphics.Gpu.Image
flags |= TextureSearchFlags.WithUpscale;
}
Texture texture = FindOrCreateTexture(info, flags);
Texture texture = FindOrCreateTexture(info, flags, sizeHint);
texture.SynchronizeMemory();
@ -513,8 +514,9 @@ namespace Ryujinx.Graphics.Gpu.Image
/// <param name="colorState">Color buffer texture to find or create</param>
/// <param name="samplesInX">Number of samples in the X direction, for MSAA</param>
/// <param name="samplesInY">Number of samples in the Y direction, for MSAA</param>
/// <param name="sizeHint">A hint indicating the minimum used size for the texture</param>
/// <returns>The texture</returns>
public Texture FindOrCreateTexture(RtColorState colorState, int samplesInX, int samplesInY)
public Texture FindOrCreateTexture(RtColorState colorState, int samplesInX, int samplesInY, Size sizeHint)
{
ulong address = _context.MemoryManager.Translate(colorState.Address.Pack());
@ -583,7 +585,7 @@ namespace Ryujinx.Graphics.Gpu.Image
target,
formatInfo);
Texture texture = FindOrCreateTexture(info, TextureSearchFlags.WithUpscale);
Texture texture = FindOrCreateTexture(info, TextureSearchFlags.WithUpscale, sizeHint);
texture.SynchronizeMemory();
@ -597,8 +599,9 @@ namespace Ryujinx.Graphics.Gpu.Image
/// <param name="size">Size of the depth-stencil texture</param>
/// <param name="samplesInX">Number of samples in the X direction, for MSAA</param>
/// <param name="samplesInY">Number of samples in the Y direction, for MSAA</param>
/// <param name="sizeHint">A hint indicating the minimum used size for the texture</param>
/// <returns>The texture</returns>
public Texture FindOrCreateTexture(RtDepthStencilState dsState, Size3D size, int samplesInX, int samplesInY)
public Texture FindOrCreateTexture(RtDepthStencilState dsState, Size3D size, int samplesInX, int samplesInY, Size sizeHint)
{
ulong address = _context.MemoryManager.Translate(dsState.Address.Pack());
@ -632,7 +635,7 @@ namespace Ryujinx.Graphics.Gpu.Image
target,
formatInfo);
Texture texture = FindOrCreateTexture(info, TextureSearchFlags.WithUpscale);
Texture texture = FindOrCreateTexture(info, TextureSearchFlags.WithUpscale, sizeHint);
texture.SynchronizeMemory();
@ -644,8 +647,9 @@ namespace Ryujinx.Graphics.Gpu.Image
/// </summary>
/// <param name="info">Texture information of the texture to be found or created</param>
/// <param name="flags">The texture search flags, defines texture comparison rules</param>
/// <param name="sizeHint">A hint indicating the minimum used size for the texture</param>
/// <returns>The texture</returns>
public Texture FindOrCreateTexture(TextureInfo info, TextureSearchFlags flags = TextureSearchFlags.None)
public Texture FindOrCreateTexture(TextureInfo info, TextureSearchFlags flags = TextureSearchFlags.None, Size? sizeHint = null)
{
bool isSamplerTexture = (flags & TextureSearchFlags.ForSampler) != 0;
@ -678,14 +682,8 @@ namespace Ryujinx.Graphics.Gpu.Image
// deletion.
_cache.Lift(overlap);
}
else if (!TextureCompatibility.SizeMatches(overlap.Info, info))
{
// If this is used for sampling, the size must match,
// otherwise the shader would sample garbage data.
// To fix that, we create a new texture with the correct
// size, and copy the data from the old one to the new one.
overlap.ChangeSize(info.Width, info.Height, info.DepthOrLayers);
}
ChangeSizeIfNeeded(info, overlap, isSamplerTexture, sizeHint);
overlap.SynchronizeMemory();
@ -741,25 +739,21 @@ namespace Ryujinx.Graphics.Gpu.Image
if (overlapCompatibility == TextureViewCompatibility.Full)
{
TextureInfo oInfo = AdjustSizes(overlap, info, firstLevel);
if (!isSamplerTexture)
{
info = AdjustSizes(overlap, info, firstLevel);
info = oInfo;
}
texture = overlap.CreateView(info, sizeInfo, firstLayer, firstLevel);
texture = overlap.CreateView(oInfo, sizeInfo, firstLayer, firstLevel);
if (overlap.IsModified)
{
texture.SignalModified();
}
// The size only matters (and is only really reliable) when the
// texture is used on a sampler, because otherwise the size will be
// aligned.
if (!TextureCompatibility.SizeMatches(overlap.Info, info, firstLevel) && isSamplerTexture)
{
texture.ChangeSize(info.Width, info.Height, info.DepthOrLayers);
}
ChangeSizeIfNeeded(info, texture, isSamplerTexture, sizeHint);
break;
}
@ -911,6 +905,44 @@ namespace Ryujinx.Graphics.Gpu.Image
return texture;
}
/// <summary>
/// Changes a texture's size to match the desired size for samplers,
/// or increases a texture's size to fit the region indicated by a size hint.
/// </summary>
/// <param name="info">The desired texture info</param>
/// <param name="texture">The texture to resize</param>
/// <param name="isSamplerTexture">True if the texture will be used for a sampler, false otherwise</param>
/// <param name="sizeHint">A hint indicating the minimum used size for the texture</param>
private void ChangeSizeIfNeeded(TextureInfo info, Texture texture, bool isSamplerTexture, Size? sizeHint)
{
if (isSamplerTexture)
{
// If this is used for sampling, the size must match,
// otherwise the shader would sample garbage data.
// To fix that, we create a new texture with the correct
// size, and copy the data from the old one to the new one.
if (!TextureCompatibility.SizeMatches(texture.Info, info))
{
texture.ChangeSize(info.Width, info.Height, info.DepthOrLayers);
}
}
else if (sizeHint != null)
{
// A size hint indicates that data will be used within that range, at least.
// If the texture is smaller than the size hint, it must be enlarged to meet it.
// The maximum size is provided by the requested info, which generally has an aligned size.
int width = Math.Max(texture.Info.Width, Math.Min(sizeHint.Value.Width, info.Width));
int height = Math.Max(texture.Info.Height, Math.Min(sizeHint.Value.Height, info.Height));
if (texture.Info.Width != width || texture.Info.Height != height)
{
texture.ChangeSize(width, height, info.DepthOrLayers);
}
}
}
/// <summary>
/// Tries to find an existing texture matching the given buffer copy destination. If none is found, returns null.
/// </summary>

16
Ryujinx.Graphics.Gpu/Image/TexturePool.cs
View file

@ -67,6 +67,22 @@ namespace Ryujinx.Graphics.Gpu.Image
}
else
{
if (texture.ChangedSize)
{
// Texture changed size at one point - it may be a different size than the sampler expects.
// This can be triggered when the size is changed by a size hint on copy or draw, but the texture has been sampled before.
TextureDescriptor descriptor = GetDescriptor(id);
int width = descriptor.UnpackWidth();
int height = descriptor.UnpackHeight();
if (texture.Info.Width != width || texture.Info.Height != height)
{
texture.ChangeSize(width, height, texture.Info.DepthOrLayers);
}
}
// Memory is automatically synchronized on texture creation.
texture.SynchronizeMemory();
}