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Code Issues Releases Activity

Make the shader translator more error resilient (part 2)

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This commit is contained in:
gdk 2019-11-15 20:41:06 -03:00 committed by Thog
parent 04102e5c9d
commit 8eb773d81f
5 changed files with 67 additions and 31 deletions
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13
Ryujinx.Graphics.Shader/Instructions/InstEmitConversion.cs
View file

@ -60,6 +60,13 @@ namespace Ryujinx.Graphics.Shader.Instructions
IntegerType intType = (IntegerType)op.RawOpCode.Extract(8, 2);
if (intType == IntegerType.U64)
{
// TODO: Warning. This instruction supports 64-bits integers, but it is not implemented.
return;
}
bool isSmallInt = intType <= IntegerType.U16;
FPType floatType = (FPType)op.RawOpCode.Extract(10, 2);
@ -118,6 +125,8 @@ namespace Ryujinx.Graphics.Shader.Instructions
IntegerType srcType = (IntegerType)op.RawOpCode.Extract(10, 2);
// TODO: Handle S/U64.
bool isSmallInt = srcType <= IntegerType.U16;
bool isSignedInt = op.RawOpCode.Extract(13);
@ -153,7 +162,9 @@ namespace Ryujinx.Graphics.Shader.Instructions
if (srcType == IntegerType.U64 || dstType == IntegerType.U64)
{
// TODO: Warning. This instruction doesn't support 64-bits integers
// TODO: Warning. This instruction doesn't support 64-bits integers.
return;
}
bool srcIsSmallInt = srcType <= IntegerType.U16;

4
Ryujinx.Graphics.Shader/Instructions/InstEmitHelper.cs
View file

@ -56,7 +56,9 @@ namespace Ryujinx.Graphics.Shader.Instructions
// TODO.
}
throw new ArgumentException($"Invalid floating point type \"{floatType}\".");
// TODO: Warn about invalid floating point type.
return Const(0);
}
public static Operand GetSrcB(EmitterContext context)

69
Ryujinx.Graphics.Shader/Instructions/InstEmitTexture.cs
View file

@ -14,6 +14,15 @@ namespace Ryujinx.Graphics.Shader.Instructions
{
OpCodeImage op = (OpCodeImage)context.CurrOp;
SamplerType type = ConvertSamplerType(op.Dimensions);
if (type == SamplerType.None)
{
// TODO: Error, encoding is invalid.
return;
}
int raIndex = op.Ra.Index;
int rbIndex = op.Rb.Index;
@ -49,8 +58,6 @@ namespace Ryujinx.Graphics.Shader.Instructions
sourcesList.Add(context.Copy(Register(op.Rc)));
}
SamplerType type = GetSamplerType(op.Dimensions);
int coordsCount = type.GetDimensions();
for (int index = 0; index < coordsCount; index++)
@ -169,8 +176,16 @@ namespace Ryujinx.Graphics.Shader.Instructions
if (op is OpCodeTexs texsOp)
{
type = GetSamplerType (texsOp.Target);
flags = GetTextureFlags(texsOp.Target);
type = ConvertSamplerType(texsOp.Target);
if (type == SamplerType.None)
{
// TODO: Error, encoding is invalid.
return;
}
flags = ConvertTextureFlags(texsOp.Target);
if ((type & SamplerType.Array) != 0)
{
@ -239,8 +254,16 @@ namespace Ryujinx.Graphics.Shader.Instructions
}
else if (op is OpCodeTlds tldsOp)
{
type = GetSamplerType (tldsOp.Target);
flags = GetTextureFlags(tldsOp.Target) | TextureFlags.IntCoords;
type = ConvertSamplerType (tldsOp.Target);
if (type == SamplerType.None)
{
// TODO: Error, encoding is invalid.
return;
}
flags = ConvertTextureFlags(tldsOp.Target) | TextureFlags.IntCoords;
switch (tldsOp.Target)
{
@ -428,7 +451,7 @@ namespace Ryujinx.Graphics.Shader.Instructions
List<Operand> sourcesList = new List<Operand>();
SamplerType type = GetSamplerType(op.Dimensions);
SamplerType type = ConvertSamplerType(op.Dimensions);
TextureFlags flags = TextureFlags.Gather;
@ -553,7 +576,7 @@ namespace Ryujinx.Graphics.Shader.Instructions
sourcesList.Add(Ra());
}
SamplerType type = GetSamplerType(op.Dimensions);
SamplerType type = ConvertSamplerType(op.Dimensions);
int coordsCount = type.GetDimensions();
@ -752,7 +775,7 @@ namespace Ryujinx.Graphics.Shader.Instructions
sourcesList.Add(Rb());
}
SamplerType type = GetSamplerType(op.Dimensions);
SamplerType type = ConvertSamplerType(op.Dimensions);
int coordsCount = type.GetDimensions();
@ -851,7 +874,7 @@ namespace Ryujinx.Graphics.Shader.Instructions
}
}
private static SamplerType GetSamplerType(ImageDimensions target)
private static SamplerType ConvertSamplerType(ImageDimensions target)
{
switch (target)
{
@ -874,12 +897,10 @@ namespace Ryujinx.Graphics.Shader.Instructions
return SamplerType.Texture3D;
}
// TODO: Error.
return SamplerType.Texture2D;
return SamplerType.None;
}
private static SamplerType GetSamplerType(TextureDimensions dimensions)
private static SamplerType ConvertSamplerType(TextureDimensions dimensions)
{
switch (dimensions)
{
@ -892,7 +913,7 @@ namespace Ryujinx.Graphics.Shader.Instructions
throw new ArgumentException($"Invalid texture dimensions \"{dimensions}\".");
}
private static SamplerType GetSamplerType(Decoders.TextureTarget type)
private static SamplerType ConvertSamplerType(Decoders.TextureTarget type)
{
switch (type)
{
@ -925,12 +946,10 @@ namespace Ryujinx.Graphics.Shader.Instructions
return SamplerType.TextureCube;
}
// TODO: Error.
return SamplerType.Texture2D;
return SamplerType.None;
}
private static SamplerType GetSamplerType(TexelLoadTarget type)
private static SamplerType ConvertSamplerType(TexelLoadTarget type)
{
switch (type)
{
@ -954,12 +973,10 @@ namespace Ryujinx.Graphics.Shader.Instructions
return SamplerType.Texture2D | SamplerType.Array;
}
// TODO: Error.
return SamplerType.Texture2D;
return SamplerType.None;
}
private static TextureFlags GetTextureFlags(Decoders.TextureTarget type)
private static TextureFlags ConvertTextureFlags(Decoders.TextureTarget type)
{
switch (type)
{
@ -982,12 +999,10 @@ namespace Ryujinx.Graphics.Shader.Instructions
return TextureFlags.None;
}
// TODO: Error.
return TextureFlags.None;
}
private static TextureFlags GetTextureFlags(TexelLoadTarget type)
private static TextureFlags ConvertTextureFlags(TexelLoadTarget type)
{
switch (type)
{
@ -1005,8 +1020,6 @@ namespace Ryujinx.Graphics.Shader.Instructions
return TextureFlags.LodLevel | TextureFlags.Offset;
}
// TODO: Error.
return TextureFlags.None;
}
}

3
Ryujinx.Graphics.Shader/SamplerType.cs
View file

@ -5,6 +5,7 @@ namespace Ryujinx.Graphics.Shader
[Flags]
public enum SamplerType
{
None = 0,
Texture1D,
TextureBuffer,
Texture2D,
@ -32,7 +33,7 @@ namespace Ryujinx.Graphics.Shader
case SamplerType.TextureCube: return 3;
}
throw new ArgumentException($"Invalid texture type \"{type}\".");
throw new ArgumentException($"Invalid sampler type \"{type}\".");
}
}
}

9
Ryujinx.Graphics.Shader/Translation/Translator.cs
View file

@ -28,6 +28,13 @@ namespace Ryujinx.Graphics.Shader.Translation
Block[] cfg = Decoder.Decode(code, (ulong)headerSize);
if (cfg == null)
{
// TODO: Error.
return code;
}
ulong endAddress = 0;
foreach (Block block in cfg)
@ -163,6 +170,8 @@ namespace Ryujinx.Graphics.Shader.Translation
if (cfg == null)
{
// TODO: Error.
size = 0;
return new Operation[0];