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Only initialize shader outputs that are actually used on the next stage (#3054)

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* Only initialize shader outputs that are actually used on the next stage

* Shader cache version bump
This commit is contained in:
gdkchan 2022-03-06 16:42:13 -03:00 committed by GitHub
parent b97ff4da5e
commit 0bcbe32367
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 104 additions and 14 deletions
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2
Ryujinx.Graphics.Gpu/Shader/ShaderCache.cs
View file

@ -40,7 +40,7 @@ namespace Ryujinx.Graphics.Gpu.Shader
/// <summary>
/// Version of the codegen (to be changed when codegen or guest format change).
/// </summary>
private const ulong ShaderCodeGenVersion = 3132;
private const ulong ShaderCodeGenVersion = 3054;
// Progress reporting helpers
private volatile int _shaderCount;

5
Ryujinx.Graphics.Shader/Decoders/Decoder.cs
View file

@ -308,7 +308,8 @@ namespace Ryujinx.Graphics.Shader.Decoders
int attr = offset + elemIndex * 4;
if (attr >= AttributeConsts.UserAttributeBase && attr < AttributeConsts.UserAttributeEnd)
{
int index = (attr - AttributeConsts.UserAttributeBase) / 16;
int userAttr = attr - AttributeConsts.UserAttributeBase;
int index = userAttr / 16;
if (isStore)
{
@ -316,7 +317,7 @@ namespace Ryujinx.Graphics.Shader.Decoders
}
else
{
config.SetInputUserAttribute(index, perPatch);
config.SetInputUserAttribute(index, (userAttr >> 2) & 3, perPatch);
}
}

11
Ryujinx.Graphics.Shader/Translation/ShaderConfig.cs
View file

@ -54,6 +54,11 @@ namespace Ryujinx.Graphics.Shader.Translation
private int _nextUsedInputAttributes;
private int _thisUsedInputAttributes;
public UInt128 NextInputAttributesComponents { get; private set; }
public UInt128 ThisInputAttributesComponents { get; private set; }
public UInt128 NextInputAttributesPerPatchComponents { get; private set; }
public UInt128 ThisInputAttributesPerPatchComponents { get; private set; }
private int _usedConstantBuffers;
private int _usedStorageBuffers;
private int _usedStorageBuffersWrite;
@ -227,11 +232,12 @@ namespace Ryujinx.Graphics.Shader.Translation
UsedOutputAttributes |= 1 << index;
}
public void SetInputUserAttribute(int index, bool perPatch)
public void SetInputUserAttribute(int index, int component, bool perPatch)
{
if (perPatch)
{
UsedInputAttributesPerPatch |= 1 << index;
ThisInputAttributesPerPatchComponents |= UInt128.Pow2(index * 4 + component);
}
else
{
@ -239,6 +245,7 @@ namespace Ryujinx.Graphics.Shader.Translation
UsedInputAttributes |= mask;
_thisUsedInputAttributes |= mask;
ThisInputAttributesComponents |= UInt128.Pow2(index * 4 + component);
}
}
@ -256,6 +263,8 @@ namespace Ryujinx.Graphics.Shader.Translation
public void MergeFromtNextStage(ShaderConfig config)
{
NextInputAttributesComponents = config.ThisInputAttributesComponents;
NextInputAttributesPerPatchComponents = config.ThisInputAttributesPerPatchComponents;
NextUsesFixedFuncAttributes = config.UsedFeatures.HasFlag(FeatureFlags.FixedFuncAttr);
MergeOutputUserAttributes(config.UsedInputAttributes, config.UsedInputAttributesPerPatch);
}

26
Ryujinx.Graphics.Shader/Translation/Translator.cs
View file

@ -214,24 +214,24 @@ namespace Ryujinx.Graphics.Shader.Translation
InitializeOutput(context, AttributeConsts.PositionX, perPatch: false);
}
int usedAttributes = context.Config.UsedOutputAttributes;
while (usedAttributes != 0)
UInt128 usedAttributes = context.Config.NextInputAttributesComponents;
while (usedAttributes != UInt128.Zero)
{
int index = BitOperations.TrailingZeroCount(usedAttributes);
int index = usedAttributes.TrailingZeroCount();
InitializeOutput(context, AttributeConsts.UserAttributeBase + index * 16, perPatch: false);
InitializeOutputComponent(context, AttributeConsts.UserAttributeBase + index * 4, perPatch: false);
usedAttributes &= ~(1 << index);
usedAttributes &= ~UInt128.Pow2(index);
}
int usedAttributesPerPatch = context.Config.UsedOutputAttributesPerPatch;
while (usedAttributesPerPatch != 0)
UInt128 usedAttributesPerPatch = context.Config.NextInputAttributesPerPatchComponents;
while (usedAttributesPerPatch != UInt128.Zero)
{
int index = BitOperations.TrailingZeroCount(usedAttributesPerPatch);
int index = usedAttributesPerPatch.TrailingZeroCount();
InitializeOutput(context, AttributeConsts.UserAttributeBase + index * 16, perPatch: true);
InitializeOutputComponent(context, AttributeConsts.UserAttributeBase + index * 4, perPatch: true);
usedAttributesPerPatch &= ~(1 << index);
usedAttributesPerPatch &= ~UInt128.Pow2(index);
}
if (config.NextUsesFixedFuncAttributes)
@ -260,6 +260,12 @@ namespace Ryujinx.Graphics.Shader.Translation
}
}
private static void InitializeOutputComponent(EmitterContext context, int attrOffset, bool perPatch)
{
int c = (attrOffset >> 2) & 3;
context.Copy(perPatch ? AttributePerPatch(attrOffset) : Attribute(attrOffset), ConstF(c == 3 ? 1f : 0f));
}
private static void EmitOps(EmitterContext context, Block block)
{
for (int opIndex = 0; opIndex < block.OpCodes.Count; opIndex++)

74
Ryujinx.Graphics.Shader/Translation/UInt128.cs Normal file
View file

@ -0,0 +1,74 @@
using System;
using System.Numerics;
namespace Ryujinx.Graphics.Shader.Translation
{
struct UInt128 : IEquatable<UInt128>
{
public static UInt128 Zero => new UInt128() { _v0 = 0, _v1 = 0 };
private ulong _v0;
private ulong _v1;
public int TrailingZeroCount()
{
int count = BitOperations.TrailingZeroCount(_v0);
if (count == 64)
{
count += BitOperations.TrailingZeroCount(_v1);
}
return count;
}
public static UInt128 Pow2(int x)
{
if (x >= 64)
{
return new UInt128() { _v0 = 0, _v1 = 1UL << (x - 64 ) };
}
return new UInt128() { _v0 = 1UL << x, _v1 = 0 };
}
public static UInt128 operator ~(UInt128 x)
{
return new UInt128() { _v0 = ~x._v0, _v1 = ~x._v1 };
}
public static UInt128 operator &(UInt128 x, UInt128 y)
{
return new UInt128() { _v0 = x._v0 & y._v0, _v1 = x._v1 & y._v1 };
}
public static UInt128 operator |(UInt128 x, UInt128 y)
{
return new UInt128() { _v0 = x._v0 | y._v0, _v1 = x._v1 | y._v1 };
}
public static bool operator ==(UInt128 x, UInt128 y)
{
return x.Equals(y);
}
public static bool operator !=(UInt128 x, UInt128 y)
{
return !x.Equals(y);
}
public override bool Equals(object obj)
{
return obj is UInt128 other && Equals(other);
}
public bool Equals(UInt128 other)
{
return _v0 == other._v0 && _v1 == other._v1;
}
public override int GetHashCode()
{
return HashCode.Combine(_v0, _v1);
}
}
}