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Support res scale on images, correctly blacklist for SUST, move logic out of backend. (#1657)

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* Support res scale on images, correctly blacklist for SUST, move logic
out of backend.

* Fix Typo
This commit is contained in:
riperiperi 2020-11-02 19:53:23 +00:00 committed by GitHub
parent 11a7c99764
commit e1da7df207
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GPG Key ID: 4AEE18F83AFDEB23
10 changed files with 199 additions and 78 deletions
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2
Ryujinx.Graphics.GAL/IPipeline.cs
View File

@ -92,6 +92,6 @@ namespace Ryujinx.Graphics.GAL
bool TryHostConditionalRendering(ICounterEvent value, ICounterEvent compare, bool isEqual);
void EndHostConditionalRendering();
void UpdateRenderScale(ShaderStage stage, int textureCount);
void UpdateRenderScale(ShaderStage stage, float[] scales, int textureCount, int imageCount);
}
}

121
Ryujinx.Graphics.Gpu/Image/TextureBindingsManager.cs
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@ -41,6 +41,9 @@ namespace Ryujinx.Graphics.Gpu.Image
private bool _rebind;
private float[] _scales;
private bool _scaleChanged;
/// <summary>
/// Constructs a new instance of the texture bindings manager.
/// </summary>
@ -60,6 +63,13 @@ namespace Ryujinx.Graphics.Gpu.Image
_textureState = new TextureStatePerStage[stages][];
_imageState = new TextureStatePerStage[stages][];
_scales = new float[64];
for (int i = 0; i < 64; i++)
{
_scales[i] = 1f;
}
}
/// <summary>
@ -131,6 +141,81 @@ namespace Ryujinx.Graphics.Gpu.Image
_texturePoolMaximumId = maximumId;
}
/// <summary>
/// Updates the texture scale for a given texture or image.
/// </summary>
/// <param name="texture">Start GPU virtual address of the pool</param>
/// <param name="binding">The related texture binding</param>
/// <param name="index">The texture/image binding index</param>
/// <param name="stage">The active shader stage</param>
/// <returns>True if the given texture has become blacklisted, indicating that its host texture may have changed.</returns>
private bool UpdateScale(Texture texture, TextureBindingInfo binding, int index, ShaderStage stage)
{
float result = 1f;
bool changed = false;
if ((binding.Flags & TextureUsageFlags.NeedsScaleValue) != 0 && texture != null)
{
_scaleChanged |= true;
switch (stage)
{
case ShaderStage.Fragment:
if ((binding.Flags & TextureUsageFlags.ResScaleUnsupported) != 0)
{
changed |= texture.ScaleMode != TextureScaleMode.Blacklisted;
texture.BlacklistScale();
break;
}
float scale = texture.ScaleFactor;
TextureManager manager = _context.Methods.TextureManager;
if (scale != 1)
{
Texture activeTarget = manager.GetAnyRenderTarget();
if (activeTarget != null && activeTarget.Info.Width / (float)texture.Info.Width == activeTarget.Info.Height / (float)texture.Info.Height)
{
// If the texture's size is a multiple of the sampler size, enable interpolation using gl_FragCoord. (helps "invent" new integer values between scaled pixels)
result = -scale;
break;
}
}
result = scale;
break;
case ShaderStage.Compute:
if ((binding.Flags & TextureUsageFlags.ResScaleUnsupported) != 0)
{
changed |= texture.ScaleMode != TextureScaleMode.Blacklisted;
texture.BlacklistScale();
}
result = texture.ScaleFactor;
break;
}
}
_scales[index] = result;
return changed;
}
/// <summary>
/// Uploads texture and image scales to the backend when they are used.
/// </summary>
/// <param name="stage">Current shader stage</param>
/// <param name="stageIndex">Shader stage index</param>
private void CommitRenderScale(ShaderStage stage, int stageIndex)
{
if (_scaleChanged)
{
_context.Renderer.Pipeline.UpdateRenderScale(stage, _scales, _textureBindings[stageIndex]?.Length ?? 0, _imageBindings[stageIndex]?.Length ?? 0);
}
}
/// <summary>
/// Ensures that the bindings are visible to the host GPU.
/// Note: this actually performs the binding using the host graphics API.
@ -145,6 +230,8 @@ namespace Ryujinx.Graphics.Gpu.Image
{
CommitTextureBindings(texturePool, ShaderStage.Compute, 0);
CommitImageBindings (texturePool, ShaderStage.Compute, 0);
CommitRenderScale(ShaderStage.Compute, 0);
}
else
{
@ -154,6 +241,8 @@ namespace Ryujinx.Graphics.Gpu.Image
CommitTextureBindings(texturePool, stage, stageIndex);
CommitImageBindings (texturePool, stage, stageIndex);
CommitRenderScale(stage, stageIndex);
}
}
@ -174,8 +263,6 @@ namespace Ryujinx.Graphics.Gpu.Image
return;
}
bool changed = false;
for (int index = 0; index < _textureBindings[stageIndex].Length; index++)
{
TextureBindingInfo binding = _textureBindings[stageIndex][index];
@ -218,20 +305,18 @@ namespace Ryujinx.Graphics.Gpu.Image
Texture texture = pool.Get(textureId);
if ((binding.Flags & TextureUsageFlags.ResScaleUnsupported) != 0)
{
texture?.BlacklistScale();
}
ITexture hostTexture = texture?.GetTargetTexture(binding.Target);
if (_textureState[stageIndex][index].Texture != hostTexture || _rebind)
{
if (UpdateScale(texture, binding, index, stage))
{
hostTexture = texture?.GetTargetTexture(binding.Target);
}
_textureState[stageIndex][index].Texture = hostTexture;
_context.Renderer.Pipeline.SetTexture(index, stage, hostTexture);
changed = true;
}
if (hostTexture != null && texture.Info.Target == Target.TextureBuffer)
@ -253,11 +338,6 @@ namespace Ryujinx.Graphics.Gpu.Image
_context.Renderer.Pipeline.SetSampler(index, stage, hostSampler);
}
}
if (changed)
{
_context.Renderer.Pipeline.UpdateRenderScale(stage, _textureBindings[stageIndex].Length);
}
}
/// <summary>
@ -274,6 +354,9 @@ namespace Ryujinx.Graphics.Gpu.Image
return;
}
// Scales for images appear after the texture ones.
int baseScaleIndex = _textureBindings[stageIndex]?.Length ?? 0;
for (int index = 0; index < _imageBindings[stageIndex].Length; index++)
{
TextureBindingInfo binding = _imageBindings[stageIndex][index];
@ -283,11 +366,6 @@ namespace Ryujinx.Graphics.Gpu.Image
Texture texture = pool.Get(textureId);
if ((binding.Flags & TextureUsageFlags.ResScaleUnsupported) != 0)
{
texture?.BlacklistScale();
}
ITexture hostTexture = texture?.GetTargetTexture(binding.Target);
if (hostTexture != null && texture.Info.Target == Target.TextureBuffer)
@ -300,6 +378,11 @@ namespace Ryujinx.Graphics.Gpu.Image
if (_imageState[stageIndex][index].Texture != hostTexture || _rebind)
{
if (UpdateScale(texture, binding, baseScaleIndex + index, stage))
{
hostTexture = texture?.GetTargetTexture(binding.Target);
}
_imageState[stageIndex][index].Texture = hostTexture;
Format format = binding.Format;

9
Ryujinx.Graphics.Gpu/Image/TextureManager.cs
View File

@ -194,6 +194,15 @@ namespace Ryujinx.Graphics.Gpu.Image
return changesScale || (hasValue && color.ScaleMode != TextureScaleMode.Blacklisted && color.ScaleFactor != GraphicsConfig.ResScale);
}
/// <summary>
/// Gets the first available bound colour target, or the depth stencil target if not present.
/// </summary>
/// <returns>The first bound colour target, otherwise the depth stencil target</returns>
public Texture GetAnyRenderTarget()
{
return _rtColors[0] ?? _rtDepthStencil;
}
/// <summary>
/// Updates the Render Target scale, given the currently bound render targets.
/// This will update scale to match the configured scale, scale textures that are eligible but not scaled,

50
Ryujinx.Graphics.OpenGL/Pipeline.cs
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@ -32,12 +32,10 @@ namespace Ryujinx.Graphics.OpenGL
private int _boundReadFramebuffer;
private int[] _fpIsBgra = new int[8];
private float[] _fpRenderScale = new float[33];
private float[] _cpRenderScale = new float[32];
private float[] _fpRenderScale = new float[65];
private float[] _cpRenderScale = new float[64];
private TextureBase _unit0Texture;
private TextureBase _rtColor0Texture;
private TextureBase _rtDepthTexture;
private FrontFaceDirection _frontFace;
private ClipOrigin _clipOrigin;
@ -847,9 +845,6 @@ namespace Ryujinx.Graphics.OpenGL
{
EnsureFramebuffer();
_rtColor0Texture = (TextureBase)colors[0];
_rtDepthTexture = (TextureBase)depthStencil;
for (int index = 0; index < colors.Length; index++)
{
TextureView color = (TextureView)colors[index];
@ -963,39 +958,6 @@ namespace Ryujinx.Graphics.OpenGL
{
((TextureBase)texture).Bind(unit);
}
// Update scale factor for bound textures.
switch (stage)
{
case ShaderStage.Fragment:
if (_program.FragmentRenderScaleUniform != -1)
{
// Only update and send sampled texture scales if the shader uses them.
bool interpolate = false;
float scale = texture.ScaleFactor;
if (scale != 1)
{
TextureBase activeTarget = _rtColor0Texture ?? _rtDepthTexture;
if (activeTarget != null && activeTarget.Width / (float)texture.Width == activeTarget.Height / (float)texture.Height)
{
// If the texture's size is a multiple of the sampler size,
// enable interpolation using gl_FragCoord.
// (helps "invent" new integer values between scaled pixels)
interpolate = true;
}
}
_fpRenderScale[index + 1] = interpolate ? -scale : scale;
}
break;
case ShaderStage.Compute:
_cpRenderScale[index] = texture.ScaleFactor;
break;
}
}
}
@ -1232,7 +1194,7 @@ namespace Ryujinx.Graphics.OpenGL
}
}
public void UpdateRenderScale(ShaderStage stage, int textureCount)
public void UpdateRenderScale(ShaderStage stage, float[] scales, int textureCount, int imageCount)
{
if (_program != null)
{
@ -1241,14 +1203,16 @@ namespace Ryujinx.Graphics.OpenGL
case ShaderStage.Fragment:
if (_program.FragmentRenderScaleUniform != -1)
{
GL.Uniform1(_program.FragmentRenderScaleUniform, textureCount + 1, _fpRenderScale);
Array.Copy(scales, 0, _fpRenderScale, 1, textureCount + imageCount);
GL.Uniform1(_program.FragmentRenderScaleUniform, 1 + textureCount + imageCount, _fpRenderScale);
}
break;
case ShaderStage.Compute:
if (_program.ComputeRenderScaleUniform != -1)
{
GL.Uniform1(_program.ComputeRenderScaleUniform, textureCount, _cpRenderScale);
Array.Copy(scales, 0, _cpRenderScale, 0, textureCount + imageCount);
GL.Uniform1(_program.ComputeRenderScaleUniform, textureCount + imageCount, _cpRenderScale);
}
break;
}

15
Ryujinx.Graphics.Shader/CodeGen/Glsl/CodeGenContext.cs
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@ -84,7 +84,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
AppendLine("}" + suffix);
}
public int FindTextureDescriptorIndex(AstTextureOperation texOp)
private int FindDescriptorIndex(List<TextureDescriptor> list, AstTextureOperation texOp)
{
AstOperand operand = texOp.GetSource(0) as AstOperand;
bool bindless = (texOp.Flags & TextureFlags.Bindless) > 0;
@ -92,13 +92,24 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
int cBufSlot = bindless ? operand.CbufSlot : 0;
int cBufOffset = bindless ? operand.CbufOffset : 0;
return TextureDescriptors.FindIndex(descriptor =>
return list.FindIndex(descriptor =>
descriptor.Type == texOp.Type &&
descriptor.HandleIndex == texOp.Handle &&
descriptor.Format == texOp.Format &&
descriptor.CbufSlot == cBufSlot &&
descriptor.CbufOffset == cBufOffset);
}
public int FindTextureDescriptorIndex(AstTextureOperation texOp)
{
return FindDescriptorIndex(TextureDescriptors, texOp);
}
public int FindImageDescriptorIndex(AstTextureOperation texOp)
{
return FindDescriptorIndex(ImageDescriptors, texOp);
}
public StructuredFunction GetFunction(int id)
{
return _info.Functions[id];

2
Ryujinx.Graphics.Shader/CodeGen/Glsl/Declarations.cs
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@ -509,7 +509,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
{
string stage = OperandManager.GetShaderStagePrefix(context.Config.Stage);
int scaleElements = context.TextureDescriptors.Count;
int scaleElements = context.TextureDescriptors.Count + context.ImageDescriptors.Count;
if (context.Config.Stage == ShaderStage.Fragment)
{

66
Ryujinx.Graphics.Shader/CodeGen/Glsl/Instructions/InstGenMemory.cs
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@ -47,6 +47,43 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
texCall += ", " + str;
}
string ApplyScaling(string vector)
{
int index = context.FindImageDescriptorIndex(texOp);
TextureUsageFlags flags = TextureUsageFlags.NeedsScaleValue;
if ((context.Config.Stage == ShaderStage.Fragment || context.Config.Stage == ShaderStage.Compute) &&
texOp.Inst == Instruction.ImageLoad &&
!isBindless &&
!isIndexed)
{
// Image scales start after texture ones.
int scaleIndex = context.TextureDescriptors.Count + index;
if (pCount == 3 && isArray)
{
// The array index is not scaled, just x and y.
vector = "ivec3(Helper_TexelFetchScale((" + vector + ").xy, " + scaleIndex + "), (" + vector + ").z)";
}
else if (pCount == 2 && !isArray)
{
vector = "Helper_TexelFetchScale(" + vector + ", " + scaleIndex + ")";
}
else
{
flags |= TextureUsageFlags.ResScaleUnsupported;
}
}
else
{
flags |= TextureUsageFlags.ResScaleUnsupported;
}
context.ImageDescriptors[index] = context.ImageDescriptors[index].SetFlag(flags);
return vector;
}
if (pCount > 1)
{
string[] elems = new string[pCount];
@ -56,7 +93,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
elems[index] = Src(VariableType.S32);
}
Append("ivec" + pCount + "(" + string.Join(", ", elems) + ")");
Append(ApplyScaling("ivec" + pCount + "(" + string.Join(", ", elems) + ")"));
}
else
{
@ -404,28 +441,35 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
if (intCoords)
{
int index = context.FindTextureDescriptorIndex(texOp);
TextureUsageFlags flags = TextureUsageFlags.NeedsScaleValue;
if ((context.Config.Stage == ShaderStage.Fragment || context.Config.Stage == ShaderStage.Compute) &&
(texOp.Flags & TextureFlags.Bindless) == 0 &&
texOp.Type != SamplerType.Indexed)
!isBindless &&
!isIndexed)
{
if (pCount == 3 && isArray)
{
// The array index is not scaled, just x and y.
return "ivec3(Helper_TexelFetchScale((" + vector + ").xy, " + index + "), (" + vector + ").z)";
vector = "ivec3(Helper_TexelFetchScale((" + vector + ").xy, " + index + "), (" + vector + ").z)";
}
else if (pCount == 2 && !isArray)
{
return "Helper_TexelFetchScale(" + vector + ", " + index + ")";
vector = "Helper_TexelFetchScale(" + vector + ", " + index + ")";
}
else
{
flags |= TextureUsageFlags.ResScaleUnsupported;
}
}
else
{
// Resolution scaling cannot be applied to this texture right now.
// Flag so that we know to blacklist scaling on related textures when binding them.
flags |= TextureUsageFlags.ResScaleUnsupported;
}
// Resolution scaling cannot be applied to this texture right now.
// Flag so that we know to blacklist scaling on related textures when binding them.
TextureDescriptor descriptor = context.TextureDescriptors[index];
descriptor.Flags |= TextureUsageFlags.ResScaleUnsupported;
context.TextureDescriptors[index] = descriptor;
context.TextureDescriptors[index] = context.TextureDescriptors[index].SetFlag(flags);
}
return vector;

2
Ryujinx.Graphics.Shader/Instructions/InstEmitTexture.cs
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@ -15,6 +15,8 @@ namespace Ryujinx.Graphics.Shader.Instructions
public static void Suld(EmitterContext context)
{
context.Config.SetUsedFeature(FeatureFlags.IntegerSampling);
OpCodeImage op = (OpCodeImage)context.CurrOp;
SamplerType type = ConvertSamplerType(op.Dimensions);

7
Ryujinx.Graphics.Shader/TextureDescriptor.cs
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@ -46,5 +46,12 @@ namespace Ryujinx.Graphics.Shader
Flags = TextureUsageFlags.None;
}
public TextureDescriptor SetFlag(TextureUsageFlags flag)
{
Flags |= flag;
return this;
}
}
}

3
Ryujinx.Graphics.Shader/TextureUsageFlags.cs
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@ -11,6 +11,7 @@ namespace Ryujinx.Graphics.Shader
None = 0,
// Integer sampled textures must be noted for resolution scaling.
ResScaleUnsupported = 1 << 0
ResScaleUnsupported = 1 << 0,
NeedsScaleValue = 1 << 1
}
}