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Support shader gl_Color, gl_SecondaryColor and gl_TexCoord built-ins (#2817)

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* Support shader gl_Color, gl_SecondaryColor and gl_TexCoord built-ins

* Shader cache version bump

* Fix back color value on fragment shader

* Disable IPA multiplication for fixed function attributes and back color selection
This commit is contained in:
gdkchan 2021-11-08 13:18:46 -03:00 • committed by GitHub
parent 3dee712164
commit 911ea38e93
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GPG key ID: 4AEE18F83AFDEB23
8 changed files with 220 additions and 38 deletions
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69
Ryujinx.Graphics.Shader/Translation/ShaderConfig.cs
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@ -43,11 +43,14 @@ namespace Ryujinx.Graphics.Shader.Translation
private readonly TranslationCounts _counts;
public bool NextUsesFixedFuncAttributes { get; private set; }
public int UsedInputAttributes { get; private set; }
public int UsedInputAttributesPerPatch { get; private set; }
public int UsedOutputAttributes { get; private set; }
public int UsedInputAttributesPerPatch { get; private set; }
public int UsedOutputAttributesPerPatch { get; private set; }
public int PassthroughAttributes { get; private set; }
private int _nextUsedInputAttributes;
private int _thisUsedInputAttributes;
private int _usedConstantBuffers;
private int _usedStorageBuffers;
@ -224,6 +227,16 @@ namespace Ryujinx.Graphics.Shader.Translation
}
}
public void SetInputUserAttributeFixedFunc(int index)
{
UsedInputAttributes |= 1 << index;
}
public void SetOutputUserAttributeFixedFunc(int index)
{
UsedOutputAttributes |= 1 << index;
}
public void SetInputUserAttribute(int index, bool perPatch)
{
if (perPatch)
@ -232,7 +245,10 @@ namespace Ryujinx.Graphics.Shader.Translation
}
else
{
UsedInputAttributes |= 1 << index;
int mask = 1 << index;
UsedInputAttributes |= mask;
_thisUsedInputAttributes |= mask;
}
}
@ -248,8 +264,16 @@ namespace Ryujinx.Graphics.Shader.Translation
}
}
public void MergeFromtNextStage(ShaderConfig config)
{
NextUsesFixedFuncAttributes = config.UsedFeatures.HasFlag(FeatureFlags.FixedFuncAttr);
MergeOutputUserAttributes(config.UsedInputAttributes, config.UsedInputAttributesPerPatch);
}
public void MergeOutputUserAttributes(int mask, int maskPerPatch)
{
_nextUsedInputAttributes = mask;
if (GpPassthrough)
{
PassthroughAttributes = mask & ~UsedOutputAttributes;
@ -261,6 +285,47 @@ namespace Ryujinx.Graphics.Shader.Translation
}
}
public bool IsUsedOutputAttribute(int attr)
{
// The check for fixed function attributes on the next stage is conservative,
// returning false if the output is just not used by the next stage is also valid.
if (NextUsesFixedFuncAttributes &&
attr >= AttributeConsts.UserAttributeBase &&
attr < AttributeConsts.UserAttributeEnd)
{
int index = (attr - AttributeConsts.UserAttributeBase) >> 4;
return (_nextUsedInputAttributes & (1 << index)) != 0;
}
return true;
}
public int GetFreeUserAttribute(bool isOutput, int index)
{
int useMask = isOutput ? _nextUsedInputAttributes : _thisUsedInputAttributes;
int bit = -1;
while (useMask != -1)
{
bit = BitOperations.TrailingZeroCount(~useMask);
if (bit == 32)
{
bit = -1;
break;
}
else if (index < 1)
{
break;
}
useMask |= 1 << bit;
index--;
}
return bit;
}
public void SetAllInputUserAttributes()
{
UsedInputAttributes |= Constants.AllAttributesMask;