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Fix shader regression on Intel iGPUs by reverting layout changes (#1425)

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gdkchan 2020-07-28 19:01:11 -03:00 • committed by GitHub
parent 43c13057da
commit 991784868f
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GPG key ID: 4AEE18F83AFDEB23
7 changed files with 93 additions and 45 deletions
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40
Ryujinx.Graphics.Shader/CodeGen/Glsl/Declarations.cs
View file

@ -430,11 +430,20 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
};
}
for (int c = 0; c < 4; c++)
{
char swzMask = "xyzw"[c];
string name = $"{DefaultNames.IAttributePrefix}{attr}";
context.AppendLine($"layout (location = {attr}, component = {c}) {iq}in float {DefaultNames.IAttributePrefix}{attr}_{swzMask}{suffix};");
if ((context.Config.Flags & TranslationFlags.Feedback) != 0)
{
for (int c = 0; c < 4; c++)
{
char swzMask = "xyzw"[c];
context.AppendLine($"layout (location = {attr}, component = {c}) {iq}in float {name}_{swzMask}{suffix};");
}
}
else
{
context.AppendLine($"layout (location = {attr}) {iq}in vec4 {name}{suffix};");
}
}
}
@ -463,23 +472,32 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
{
for (int attr = 0; attr < MaxAttributes; attr++)
{
for (int c = 0; c < 4; c++)
{
char swzMask = "xyzw"[c];
context.AppendLine($"layout (location = {attr}, component = {c}) out float {DefaultNames.OAttributePrefix}{attr}_{swzMask};");
}
DeclareOutputAttribute(context, attr);
}
foreach (int attr in info.OAttributes.OrderBy(x => x).Where(x => x >= MaxAttributes))
{
DeclareOutputAttribute(context, attr);
}
}
private static void DeclareOutputAttribute(CodeGenContext context, int attr)
{
string name = $"{DefaultNames.OAttributePrefix}{attr}";
if ((context.Config.Flags & TranslationFlags.Feedback) != 0)
{
for (int c = 0; c < 4; c++)
{
char swzMask = "xyzw"[c];
context.AppendLine($"layout (location = {attr}, component = {c}) out float {DefaultNames.OAttributePrefix}{attr}_{swzMask};");
context.AppendLine($"layout (location = {attr}, component = {c}) out float {name}_{swzMask};");
}
}
else
{
context.AppendLine($"layout (location = {attr}) out vec4 {name};");
}
}
private static void AppendHelperFunction(CodeGenContext context, string filename)

17
Ryujinx.Graphics.Shader/CodeGen/Glsl/GlslGenerator.cs
View file

@ -56,10 +56,17 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
continue;
}
context.AppendLine($"{DefaultNames.OAttributePrefix}{attr}_x = 0;");
context.AppendLine($"{DefaultNames.OAttributePrefix}{attr}_y = 0;");
context.AppendLine($"{DefaultNames.OAttributePrefix}{attr}_z = 0;");
context.AppendLine($"{DefaultNames.OAttributePrefix}{attr}_w = 0;");
if ((context.Config.Flags & TranslationFlags.Feedback) != 0)
{
context.AppendLine($"{DefaultNames.OAttributePrefix}{attr}_x = 0;");
context.AppendLine($"{DefaultNames.OAttributePrefix}{attr}_y = 0;");
context.AppendLine($"{DefaultNames.OAttributePrefix}{attr}_z = 0;");
context.AppendLine($"{DefaultNames.OAttributePrefix}{attr}_w = 0;");
}
else
{
context.AppendLine($"{DefaultNames.OAttributePrefix}{attr} = vec4(0);");
}
}
}
@ -123,7 +130,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
if (assignment.Destination is AstOperand operand && operand.Type == OperandType.Attribute)
{
dest = OperandManager.GetOutAttributeName(operand, context.Config.Stage);
dest = OperandManager.GetOutAttributeName(operand, context.Config);
}
else
{

2
Ryujinx.Graphics.Shader/CodeGen/Glsl/Instructions/InstGen.cs
View file

@ -19,7 +19,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
}
else if (node is AstOperand operand)
{
return context.OperandManager.GetExpression(operand, context.Config.Stage);
return context.OperandManager.GetExpression(operand, context.Config);
}
throw new ArgumentException($"Invalid node type \"{node?.GetType().Name ?? "null"}\".");

2
Ryujinx.Graphics.Shader/CodeGen/Glsl/Instructions/InstGenMemory.cs
View file

@ -113,7 +113,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
string indexExpr = GetSoureExpr(context, src2, GetSrcVarType(operation.Inst, 1));
return OperandManager.GetAttributeName(attr, context.Config.Stage, isOutAttr: false, indexExpr);
return OperandManager.GetAttributeName(attr, context.Config, isOutAttr: false, indexExpr);
}
public static string LoadConstant(CodeGenContext context, AstOperation operation)

42
Ryujinx.Graphics.Shader/CodeGen/Glsl/OperandManager.cs
View file

@ -92,18 +92,18 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
return name;
}
public string GetExpression(AstOperand operand, ShaderStage stage)
public string GetExpression(AstOperand operand, ShaderConfig config)
{
switch (operand.Type)
{
case OperandType.Attribute:
return GetAttributeName(operand, stage);
return GetAttributeName(operand, config);
case OperandType.Constant:
return NumberFormatter.FormatInt(operand.Value);
case OperandType.ConstantBuffer:
return GetConstantBufferName(operand.CbufSlot, operand.CbufOffset, stage);
return GetConstantBufferName(operand.CbufSlot, operand.CbufOffset, config.Stage);
case OperandType.LocalVariable:
return _locals[operand];
@ -148,12 +148,12 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
return GetVec4Indexed(ubName + index0, offsetExpr + " & 3");
}
public static string GetOutAttributeName(AstOperand attr, ShaderStage stage)
public static string GetOutAttributeName(AstOperand attr, ShaderConfig config)
{
return GetAttributeName(attr, stage, isOutAttr: true);
return GetAttributeName(attr, config, isOutAttr: true);
}
public static string GetAttributeName(AstOperand attr, ShaderStage stage, bool isOutAttr = false, string indexExpr = "0")
public static string GetAttributeName(AstOperand attr, ShaderConfig config, bool isOutAttr = false, string indexExpr = "0")
{
int value = attr.Value;
@ -167,14 +167,28 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
? DefaultNames.OAttributePrefix
: DefaultNames.IAttributePrefix;
string name = $"{prefix}{(value >> 4)}_{swzMask}";
if (stage == ShaderStage.Geometry && !isOutAttr)
if ((config.Flags & TranslationFlags.Feedback) != 0)
{
name += $"[{indexExpr}]";
}
string name = $"{prefix}{(value >> 4)}_{swzMask}";
return name;
if (config.Stage == ShaderStage.Geometry && !isOutAttr)
{
name += $"[{indexExpr}]";
}
return name;
}
else
{
string name = $"{prefix}{(value >> 4)}";
if (config.Stage == ShaderStage.Geometry && !isOutAttr)
{
name += $"[{indexExpr}]";
}
return name + '.' + swzMask;
}
}
else
{
@ -187,7 +201,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
else if (_builtInAttributes.TryGetValue(value & ~3, out BuiltInAttribute builtInAttr))
{
// TODO: There must be a better way to handle this...
if (stage == ShaderStage.Fragment)
if (config.Stage == ShaderStage.Fragment)
{
switch (value & ~3)
{
@ -200,7 +214,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
string name = builtInAttr.Name;
if (stage == ShaderStage.Geometry && !isOutAttr)
if (config.Stage == ShaderStage.Geometry && !isOutAttr)
{
name = $"gl_in[{indexExpr}].{name}";
}