Mirrors/Ryujinx
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Fix FMUL and TEXS shader instructions (#347)

Browse source
This commit is contained in:
gdkchan 2018-08-13 19:46:36 -03:00 • committed by GitHub
parent 6e48312052
commit 4f499b6845
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
2 changed files with 87 additions and 51 deletions
Download patch file Download diff file Expand all files Collapse all files

43
Ryujinx.Graphics/Gal/Shader/ShaderDecodeMem.cs
View file

@ -26,8 +26,8 @@ namespace Ryujinx.Graphics.Gal.Shader
private static int[,] MaskLut = new int[,]
{
{ ____, ____, ____, ____, ____, ____, ____, ____ },
{ R___, _G__, __B_, ___A, RG__, ____, ____, ____ },
{ R___, _G__, __B_, ___A, RG__, R__A, _G_A, __BA },
{ R___, _G__, __B_, ___A, RG__, ____, ____, ____ },
{ RGB_, RG_A, R_BA, _GBA, RGBA, ____, ____, ____ }
};
@ -209,9 +209,16 @@ namespace Ryujinx.Graphics.Gal.Shader
int LutIndex;
LutIndex = GetOperGpr0(OpCode).Index != ShaderIrOperGpr.ZRIndex ? 1 : 0;
LutIndex = GetOperGpr0 (OpCode).Index != ShaderIrOperGpr.ZRIndex ? 1 : 0;
LutIndex |= GetOperGpr28(OpCode).Index != ShaderIrOperGpr.ZRIndex ? 2 : 0;
if (LutIndex == 0)
{
//Both registers are RZ, color is not written anywhere.
//So, the intruction is basically a no-op.
return;
}
int ChMask = MaskLut[LutIndex, (OpCode >> 50) & 7];
for (int Ch = 0; Ch < 4; Ch++)
@ -227,6 +234,26 @@ namespace Ryujinx.Graphics.Gal.Shader
int RegInc = 0;
ShaderIrOperGpr GetDst()
{
ShaderIrOperGpr Dst;
switch (LutIndex)
{
case 1: Dst = GetOperGpr0 (OpCode); break;
case 2: Dst = GetOperGpr28(OpCode); break;
case 3: Dst = (RegInc >> 1) != 0
? GetOperGpr28(OpCode)
: GetOperGpr0 (OpCode); break;
default: throw new InvalidOperationException();
}
Dst.Index += RegInc++ & 1;
return Dst;
}
for (int Ch = 0; Ch < 4; Ch++)
{
if (!IsChannelUsed(ChMask, Ch))
@ -236,18 +263,12 @@ namespace Ryujinx.Graphics.Gal.Shader
ShaderIrOperGpr Src = new ShaderIrOperGpr(TempRegStart + Ch);
ShaderIrOperGpr Dst = (RegInc >> 1) != 0
? GetOperGpr28(OpCode)
: GetOperGpr0 (OpCode);
ShaderIrOperGpr Dst = GetDst();
Dst.Index += RegInc++ & 1;
if (Dst.Index >= ShaderIrOperGpr.ZRIndex)
if (Dst.Index != ShaderIrOperGpr.ZRIndex)
{
continue;
Block.AddNode(GetPredNode(new ShaderIrAsg(Dst, Src), OpCode));
}
Block.AddNode(GetPredNode(new ShaderIrAsg(Dst, Src), OpCode));
}
}