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Do not attempt to normalize SNORM image buffers on shaders (#2317)

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* Do not attempt to normalize SNORM image buffers on shaders

* Shader cache version bump
This commit is contained in:
gdkchan 2021-05-31 16:59:23 -03:00 committed by GitHub
parent 91fdaea39b
commit 79b3243f54
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 23 additions and 13 deletions
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2
Ryujinx.Graphics.Gpu/Shader/ShaderCache.cs
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@ -36,7 +36,7 @@ namespace Ryujinx.Graphics.Gpu.Shader
/// <summary>
/// Version of the codegen (to be changed when codegen or guest format change).
/// </summary>
private const ulong ShaderCodeGenVersion = 2301;
private const ulong ShaderCodeGenVersion = 2317;
// Progress reporting helpers
private volatile int _shaderCount;

30
Ryujinx.Graphics.Shader/Translation/Rewriter.cs
View file

@ -18,7 +18,7 @@ namespace Ryujinx.Graphics.Shader.Translation
for (LinkedListNode<INode> node = block.Operations.First; node != null; node = node.Next)
{
if (!(node.Value is Operation operation))
if (node.Value is not Operation operation)
{
continue;
}
@ -33,11 +33,11 @@ namespace Ryujinx.Graphics.Shader.Translation
if (texOp.Inst == Instruction.TextureSample)
{
node = RewriteTextureSample(node, config);
}
if (texOp.Type == SamplerType.TextureBuffer)
{
node = InsertSnormNormalization(node, config);
if (texOp.Type == SamplerType.TextureBuffer)
{
node = InsertSnormNormalization(node, config);
}
}
}
}
@ -147,14 +147,15 @@ namespace Ryujinx.Graphics.Shader.Translation
bool hasInvalidOffset = (hasOffset || hasOffsets) && !config.GpuAccessor.QuerySupportsNonConstantTextureOffset();
bool isRect = config.GpuAccessor.QueryIsTextureRectangle(texOp.Handle, texOp.CbufSlot);
bool isBindless = (texOp.Flags & TextureFlags.Bindless) != 0;
bool isRect = !isBindless && config.GpuAccessor.QueryIsTextureRectangle(texOp.Handle, texOp.CbufSlot);
if (!(hasInvalidOffset || isRect))
{
return node;
}
bool isBindless = (texOp.Flags & TextureFlags.Bindless) != 0;
bool isGather = (texOp.Flags & TextureFlags.Gather) != 0;
bool hasDerivatives = (texOp.Flags & TextureFlags.Derivatives) != 0;
bool intCoords = (texOp.Flags & TextureFlags.IntCoords) != 0;
@ -442,6 +443,13 @@ namespace Ryujinx.Graphics.Shader.Translation
{
TextureOperation texOp = (TextureOperation)node.Value;
// We can't query the format of a bindless texture,
// because the handle is unknown, it can have any format.
if (texOp.Flags.HasFlag(TextureFlags.Bindless))
{
return node;
}
TextureFormat format = config.GpuAccessor.QueryTextureFormat(texOp.Handle, texOp.CbufSlot);
int maxPositive = format switch
@ -455,13 +463,15 @@ namespace Ryujinx.Graphics.Shader.Translation
_ => 0
};
// The value being 0 means that the format is not a SNORM format, so there's nothing to do here.
// The value being 0 means that the format is not a SNORM format,
// so there's nothing to do here.
if (maxPositive == 0)
{
return node;
}
// Do normalization. We assume SINT formats are being used as replacement for SNORM (that is not supported).
// Do normalization. We assume SINT formats are being used
// as replacement for SNORM (which is not supported).
INode[] uses = texOp.Dest.UseOps.ToArray();
Operation convOp = new Operation(Instruction.ConvertS32ToFP, Local(), texOp.Dest);
@ -472,7 +482,7 @@ namespace Ryujinx.Graphics.Shader.Translation
foreach (INode useOp in uses)
{
if (!(useOp is Operation op))
if (useOp is not Operation op)
{
continue;
}