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Initial transform feedback support (#1370)

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* Initial transform feedback support

* Some nits and fixes

* Update ReportCounterType and Write method

* Can't change shader or TFB bindings while TFB is active

* Fix geometry shader input names with new naming
This commit is contained in:
gdkchan 2020-07-15 00:01:10 -03:00 • committed by GitHub
parent 16dafe6316
commit 788ca6a411
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GPG key ID: 4AEE18F83AFDEB23
23 changed files with 468 additions and 68 deletions
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10
Ryujinx.Graphics.Shader/CodeGen/Glsl/OperandManager.cs
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@ -147,7 +147,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
{
int value = attr.Value;
string swzMask = GetSwizzleMask((value >> 2) & 3);
char swzMask = GetSwizzleMask((value >> 2) & 3);
if (value >= AttributeConsts.UserAttributeBase &&
value < AttributeConsts.UserAttributeEnd)
@ -158,15 +158,13 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
? DefaultNames.OAttributePrefix
: DefaultNames.IAttributePrefix;
string name = $"{prefix}{(value >> 4)}";
string name = $"{prefix}{(value >> 4)}_{swzMask}";
if (stage == ShaderStage.Geometry && !isOutAttr)
{
name += $"[{indexExpr}]";
}
name += "." + swzMask;
return name;
}
else
@ -264,9 +262,9 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
return _stagePrefixes[index];
}
private static string GetSwizzleMask(int value)
private static char GetSwizzleMask(int value)
{
return "xyzw".Substring(value, 1);
return "xyzw"[value];
}
public static VariableType GetNodeDestType(IAstNode node)