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SPIRV/GLSL: More scaling related fixes

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gdk 2022-04-08 19:35:56 -03:00 committed by riperiperi
parent 3aa5397bad
commit 0a7fbb6bfd
3 changed files with 30 additions and 9 deletions
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1
Ryujinx.Graphics.Shader/CodeGen/Glsl/Instructions/InstGenMemory.cs
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@ -780,6 +780,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
}
if (context.Config.Stage.SupportsRenderScale() &&
(texOp.Index < 2 || (texOp.Type & SamplerType.Mask) == SamplerType.Texture3D) &&
!isBindless &&
!isIndexed)
{

17
Ryujinx.Graphics.Shader/CodeGen/Spirv/Instructions.cs
View file

@ -1733,8 +1733,14 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Spirv
var type = context.SamplersTypes[meta];
bool hasLod = !type.HasFlag(SamplerType.Multisample) && type != SamplerType.TextureBuffer;
int components = (type & SamplerType.Mask) == SamplerType.TextureCube ? 2 : type.GetDimensions();
var resultType = components == 1 ? context.TypeS32() : context.TypeVector(context.TypeS32(), components);
int dimensions = (type & SamplerType.Mask) == SamplerType.TextureCube ? 2 : type.GetDimensions();
if (type.HasFlag(SamplerType.Array))
{
dimensions++;
}
var resultType = dimensions == 1 ? context.TypeS32() : context.TypeVector(context.TypeS32(), dimensions);
SpvInstruction result;
@ -1749,12 +1755,15 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Spirv
result = context.ImageQuerySize(resultType, image);
}
if (components != 1)
if (dimensions != 1)
{
result = context.CompositeExtract(context.TypeS32(), result, (SpvLiteralInteger)texOp.Index);
}
result = ScalingHelpers.ApplyUnscaling(context, texOp, result, isBindless, isIndexed);
if (texOp.Index < 2 || (type & SamplerType.Mask) == SamplerType.Texture3D)
{
result = ScalingHelpers.ApplyUnscaling(context, texOp, result, isBindless, isIndexed);
}
return new OperationResult(AggregateType.S32, result);
}

21
Ryujinx.Graphics.Shader/CodeGen/Spirv/ScalingHelpers.cs
View file

@ -105,9 +105,20 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Spirv
context.AddLabel(mergeLabel);
var passthroughVector = context.CompositeConstruct(context.TypeVector(context.TypeBool(), 2), passthrough, passthrough);
var passthroughLabel = context.Label();
var finalMergeLabel = context.Label();
return context.Select(ivector2Type, passthroughVector, vector, context.Load(ivector2Type, localVector));
context.SelectionMerge(finalMergeLabel, SelectionControlMask.MaskNone);
context.BranchConditional(passthrough, passthroughLabel, finalMergeLabel);
context.AddLabel(passthroughLabel);
context.Store(localVector, vector);
context.Branch(finalMergeLabel);
context.AddLabel(finalMergeLabel);
return context.Load(ivector2Type, localVector);
}
else
{
@ -149,7 +160,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Spirv
var fragCoord = context.Load(context.TypeVector(context.TypeFP32(), 4), fragCoordPointer);
var fragCoordXY = context.VectorShuffle(vector2Type, fragCoord, fragCoord, 0, 1);
var scaleMod = context.FMod(vector2Type, scaleVector, fragCoordXY);
var scaleMod = context.FMod(vector2Type, fragCoordXY, scaleVector);
var vectorInterpolated = context.FAdd(vector2Type, vectorScaled, scaleMod);
context.Store(output, context.ConvertFToS(context.TypeVector(context.TypeS32(), 2), vectorInterpolated));
@ -199,12 +210,12 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Spirv
scaleIndex = context.IAdd(context.TypeU32(), scaleIndex, context.Constant(context.TypeU32(), 1));
var scaleElemPointer = context.AccessChain(pointerType, context.SupportBuffer, fieldIndex, scaleIndex);
var scale = context.Load(context.TypeFP32(), scaleElemPointer);
var scale = context.GlslFAbs(context.TypeFP32(), context.Load(context.TypeFP32(), scaleElemPointer));
var passthrough = context.FOrdEqual(context.TypeBool(), scale, context.Constant(context.TypeFP32(), 1f));
var sizeFloat = context.ConvertSToF(context.TypeFP32(), size);
var sizeUnscaled = context.FDiv(context.TypeFP32(), size, scale);
var sizeUnscaled = context.FDiv(context.TypeFP32(), sizeFloat, scale);
var sizeUnscaledInt = context.ConvertFToS(context.TypeS32(), sizeUnscaled);
return context.Select(context.TypeS32(), passthrough, size, sizeUnscaledInt);