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Implement BGRA texture support (#1418)

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* Implement BGRA texture support

* Missing AppendLine

* Remove empty lines

* Address PR feedback
This commit is contained in:
gdkchan 2020-07-26 00:03:40 -03:00 • committed by GitHub
parent 2678bf0010
commit 8dbcae1ff8
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
14 changed files with 232 additions and 61 deletions
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6
Ryujinx.Graphics.Shader/CodeGen/Glsl/Declarations.cs
View file

@ -139,6 +139,12 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
if (context.Config.Stage == ShaderStage.Fragment || context.Config.Stage == ShaderStage.Compute)
{
if (context.Config.Stage == ShaderStage.Fragment)
{
context.AppendLine($"uniform bool {DefaultNames.IsBgraName}[8];");
context.AppendLine();
}
if (DeclareRenderScale(context))
{
context.AppendLine();

2
Ryujinx.Graphics.Shader/CodeGen/Glsl/DefaultNames.cs
View file

@ -23,5 +23,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
public const string SharedMemoryName = "shared_mem";
public const string UndefinedName = "undef";
public const string IsBgraName = "is_bgra";
}
}

16
Ryujinx.Graphics.Shader/CodeGen/Glsl/OperandManager.cs
View file

@ -64,6 +64,16 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
{ AttributeConsts.GtMask, new BuiltInAttribute("unpackUint2x32(gl_SubGroupGtMaskARB).x", VariableType.U32) },
{ AttributeConsts.LeMask, new BuiltInAttribute("unpackUint2x32(gl_SubGroupLeMaskARB).x", VariableType.U32) },
{ AttributeConsts.LtMask, new BuiltInAttribute("unpackUint2x32(gl_SubGroupLtMaskARB).x", VariableType.U32) },
// Support uniforms.
{ AttributeConsts.FragmentOutputIsBgraBase + 0, new BuiltInAttribute($"{DefaultNames.IsBgraName}[0]", VariableType.Bool) },
{ AttributeConsts.FragmentOutputIsBgraBase + 4, new BuiltInAttribute($"{DefaultNames.IsBgraName}[1]", VariableType.Bool) },
{ AttributeConsts.FragmentOutputIsBgraBase + 8, new BuiltInAttribute($"{DefaultNames.IsBgraName}[2]", VariableType.Bool) },
{ AttributeConsts.FragmentOutputIsBgraBase + 12, new BuiltInAttribute($"{DefaultNames.IsBgraName}[3]", VariableType.Bool) },
{ AttributeConsts.FragmentOutputIsBgraBase + 16, new BuiltInAttribute($"{DefaultNames.IsBgraName}[4]", VariableType.Bool) },
{ AttributeConsts.FragmentOutputIsBgraBase + 20, new BuiltInAttribute($"{DefaultNames.IsBgraName}[5]", VariableType.Bool) },
{ AttributeConsts.FragmentOutputIsBgraBase + 24, new BuiltInAttribute($"{DefaultNames.IsBgraName}[6]", VariableType.Bool) },
{ AttributeConsts.FragmentOutputIsBgraBase + 28, new BuiltInAttribute($"{DefaultNames.IsBgraName}[7]", VariableType.Bool) }
};
private Dictionary<AstOperand, string> _locals;
@ -149,8 +159,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
char swzMask = GetSwizzleMask((value >> 2) & 3);
if (value >= AttributeConsts.UserAttributeBase &&
value < AttributeConsts.UserAttributeEnd)
if (value >= AttributeConsts.UserAttributeBase && value < AttributeConsts.UserAttributeEnd)
{
value -= AttributeConsts.UserAttributeBase;
@ -169,8 +178,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
}
else
{
if (value >= AttributeConsts.FragmentOutputColorBase &&
value < AttributeConsts.FragmentOutputColorEnd)
if (value >= AttributeConsts.FragmentOutputColorBase && value < AttributeConsts.FragmentOutputColorEnd)
{
value -= AttributeConsts.FragmentOutputColorBase;

3
Ryujinx.Graphics.Shader/Translation/AttributeConsts.cs
View file

@ -35,6 +35,9 @@ namespace Ryujinx.Graphics.Shader.Translation
public const int FragmentOutputColorBase = 0x1000010;
public const int FragmentOutputColorEnd = FragmentOutputColorBase + 8 * 16;
public const int FragmentOutputIsBgraBase = 0x1000100;
public const int FragmentOutputIsBgraEnd = FragmentOutputIsBgraBase + 8 * 4;
public const int ThreadIdX = 0x2000000;
public const int ThreadIdY = 0x2000004;
public const int ThreadIdZ = 0x2000008;

44
Ryujinx.Graphics.Shader/Translation/EmitterContext.cs
View file

@ -115,22 +115,46 @@ namespace Ryujinx.Graphics.Shader.Translation
int regIndex = 0;
for (int attachment = 0; attachment < 8; attachment++)
for (int rtIndex = 0; rtIndex < 8; rtIndex++)
{
OmapTarget target = Config.OmapTargets[attachment];
OmapTarget target = Config.OmapTargets[rtIndex];
for (int component = 0; component < 4; component++)
{
if (target.ComponentEnabled(component))
if (!target.ComponentEnabled(component))
{
Operand dest = Attribute(AttributeConsts.FragmentOutputColorBase + attachment * 16 + component * 4);
Operand src = Register(regIndex, RegisterType.Gpr);
this.Copy(dest, src);
regIndex++;
continue;
}
int fragmentOutputColorAttr = AttributeConsts.FragmentOutputColorBase + rtIndex * 16;
Operand src = Register(regIndex, RegisterType.Gpr);
// Perform B <-> R swap if needed, for BGRA formats (not supported on OpenGL).
if (component == 0 || component == 2)
{
Operand isBgra = Attribute(AttributeConsts.FragmentOutputIsBgraBase + rtIndex * 4);
Operand lblIsBgra = Label();
Operand lblEnd = Label();
this.BranchIfTrue(lblIsBgra, isBgra);
this.Copy(Attribute(fragmentOutputColorAttr + component * 4), src);
this.Branch(lblEnd);
MarkLabel(lblIsBgra);
this.Copy(Attribute(fragmentOutputColorAttr + (2 - component) * 4), src);
MarkLabel(lblEnd);
}
else
{
this.Copy(Attribute(fragmentOutputColorAttr + component * 4), src);
}
regIndex++;
}
}
}