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Add support for saturation on some shader instructions, fix ReadTexture alignment

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This commit is contained in:
gdkchan 2018-10-13 03:47:54 -03:00
parent aa1cd849cf
commit 8374949a17
3 changed files with 25 additions and 9 deletions
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9
Ryujinx.Graphics/Gal/Shader/ShaderDecodeAlu.cs
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@ -585,6 +585,7 @@ namespace Ryujinx.Graphics.Gal.Shader
bool AbsA = OpCode.Read(46);
bool NegA = OpCode.Read(48);
bool AbsB = OpCode.Read(49);
bool Sat = OpCode.Read(50);
ShaderIrNode OperA = OpCode.Gpr8(), OperB;
@ -603,12 +604,13 @@ namespace Ryujinx.Graphics.Gal.Shader
ShaderIrNode Op = new ShaderIrOp(ShaderIrInst.Fadd, OperA, OperB);
Block.AddNode(OpCode.PredNode(new ShaderIrAsg(OpCode.Gpr0(), Op)));
Block.AddNode(OpCode.PredNode(new ShaderIrAsg(OpCode.Gpr0(), GetAluFsat(Op, Sat))));
}
private static void EmitFmul(ShaderIrBlock Block, long OpCode, ShaderOper Oper)
{
bool NegB = OpCode.Read(48);
bool Sat = OpCode.Read(50);
ShaderIrNode OperA = OpCode.Gpr8(), OperB;
@ -625,13 +627,14 @@ namespace Ryujinx.Graphics.Gal.Shader
ShaderIrNode Op = new ShaderIrOp(ShaderIrInst.Fmul, OperA, OperB);
Block.AddNode(OpCode.PredNode(new ShaderIrAsg(OpCode.Gpr0(), Op)));
Block.AddNode(OpCode.PredNode(new ShaderIrAsg(OpCode.Gpr0(), GetAluFsat(Op, Sat))));
}
private static void EmitFfma(ShaderIrBlock Block, long OpCode, ShaderOper Oper)
{
bool NegB = OpCode.Read(48);
bool NegC = OpCode.Read(49);
bool Sat = OpCode.Read(50);
ShaderIrNode OperA = OpCode.Gpr8(), OperB, OperC;
@ -658,7 +661,7 @@ namespace Ryujinx.Graphics.Gal.Shader
ShaderIrOp Op = new ShaderIrOp(ShaderIrInst.Ffma, OperA, OperB, OperC);
Block.AddNode(OpCode.PredNode(new ShaderIrAsg(OpCode.Gpr0(), Op)));
Block.AddNode(OpCode.PredNode(new ShaderIrAsg(OpCode.Gpr0(), GetAluFsat(Op, Sat))));
}
private static void EmitIadd(ShaderIrBlock Block, long OpCode, ShaderOper Oper)

8
Ryujinx.Graphics/Gal/Shader/ShaderDecodeHelper.cs
View file

@ -2,6 +2,9 @@ namespace Ryujinx.Graphics.Gal.Shader
{
static class ShaderDecodeHelper
{
private static readonly ShaderIrOperImmf ImmfZero = new ShaderIrOperImmf(0);
private static readonly ShaderIrOperImmf ImmfOne = new ShaderIrOperImmf(1);
public static ShaderIrNode GetAluFabsFneg(ShaderIrNode Node, bool Abs, bool Neg)
{
return GetAluFneg(GetAluFabs(Node, Abs), Neg);
@ -17,6 +20,11 @@ namespace Ryujinx.Graphics.Gal.Shader
return Neg ? new ShaderIrOp(ShaderIrInst.Fneg, Node) : Node;
}
public static ShaderIrNode GetAluFsat(ShaderIrNode Node, bool Sat)
{
return Sat ? new ShaderIrOp(ShaderIrInst.Fclamp, Node, ImmfZero, ImmfOne) : Node;
}
public static ShaderIrNode GetAluIabsIneg(ShaderIrNode Node, bool Abs, bool Neg)
{
return GetAluIneg(GetAluIabs(Node, Abs), Neg);

17
Ryujinx.Graphics/Texture/ImageUtils.cs
View file

@ -235,18 +235,23 @@ namespace Ryujinx.Graphics.Texture
int BytesPerPixel = Desc.BytesPerPixel;
int OutOffs = 0;
//Note: Each row of the texture needs to be aligned to 4 bytes.
int Pitch = (Width * BytesPerPixel + 3) & ~3;
byte[] Data = new byte[Width * Height * BytesPerPixel];
byte[] Data = new byte[Height * Pitch];
for (int Y = 0; Y < Height; Y++)
for (int X = 0; X < Width; X++)
{
long Offset = (uint)Swizzle.GetSwizzleOffset(X, Y);
int OutOffs = Y * Pitch;
CpuMemory.ReadBytes(Position + Offset, Data, OutOffs, BytesPerPixel);
for (int X = 0; X < Width; X++)
{
long Offset = (uint)Swizzle.GetSwizzleOffset(X, Y);
OutOffs += BytesPerPixel;
CpuMemory.ReadBytes(Position + Offset, Data, OutOffs, BytesPerPixel);
OutOffs += BytesPerPixel;
}
}
return Data;