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Generate scaling helper functions on IR (#4714)

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* Generate scaling helper functions on IR

* Delete unused code

* Split RewriteTextureSample and move gather bias add to an earlier pass

* Remove using

* Shader cache version bump
This commit is contained in:
gdkchan 2023-05-25 17:46:58 -03:00 • committed by GitHub
parent 2c9715acf6
commit 8f0c89ffd6
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GPG key ID: 4AEE18F83AFDEB23
25 changed files with 560 additions and 584 deletions
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29
src/Ryujinx.Graphics.Shader/CodeGen/Glsl/Declarations.cs
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@ -239,33 +239,10 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
context.AppendLine();
}
bool isFragment = context.Config.Stage == ShaderStage.Fragment;
if (isFragment || context.Config.Stage == ShaderStage.Compute || context.Config.Stage == ShaderStage.Vertex)
if (context.Config.Stage == ShaderStage.Fragment && context.Config.GpuAccessor.QueryEarlyZForce())
{
if (isFragment && context.Config.GpuAccessor.QueryEarlyZForce())
{
context.AppendLine("layout(early_fragment_tests) in;");
context.AppendLine();
}
if ((context.Config.UsedFeatures & (FeatureFlags.FragCoordXY | FeatureFlags.IntegerSampling)) != 0)
{
string stage = OperandManager.GetShaderStagePrefix(context.Config.Stage);
int scaleElements = context.Config.GetTextureDescriptors().Length + context.Config.GetImageDescriptors().Length;
if (isFragment)
{
scaleElements++; // Also includes render target scale, for gl_FragCoord.
}
if (context.Config.UsedFeatures.HasFlag(FeatureFlags.IntegerSampling) && scaleElements != 0)
{
AppendHelperFunction(context, $"Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/TexelFetchScale_{stage}.glsl");
context.AppendLine();
}
}
context.AppendLine("layout(early_fragment_tests) in;");
context.AppendLine();
}
if ((info.HelperFunctionsMask & HelperFunctionsMask.AtomicMinMaxS32Shared) != 0)

19
src/Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/TexelFetchScale_cp.glsl
View file

@ -1,19 +0,0 @@
ivec2 Helper_TexelFetchScale(ivec2 inputVec, int samplerIndex)
{
float scale = support_buffer.s_render_scale[1 + samplerIndex];
if (scale == 1.0)
{
return inputVec;
}
return ivec2(vec2(inputVec) * scale);
}
int Helper_TextureSizeUnscale(int size, int samplerIndex)
{
float scale = support_buffer.s_render_scale[1 + samplerIndex];
if (scale == 1.0)
{
return size;
}
return int(float(size) / scale);
}

26
src/Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/TexelFetchScale_fp.glsl
View file

@ -1,26 +0,0 @@
ivec2 Helper_TexelFetchScale(ivec2 inputVec, int samplerIndex)
{
float scale = support_buffer.s_render_scale[1 + samplerIndex];
if (scale == 1.0)
{
return inputVec;
}
if (scale < 0.0) // If less than 0, try interpolate between texels by using the screen position.
{
return ivec2(vec2(inputVec) * (-scale) + mod(gl_FragCoord.xy, 0.0 - scale));
}
else
{
return ivec2(vec2(inputVec) * scale);
}
}
int Helper_TextureSizeUnscale(int size, int samplerIndex)
{
float scale = abs(support_buffer.s_render_scale[1 + samplerIndex]);
if (scale == 1.0)
{
return size;
}
return int(float(size) / scale);
}

20
src/Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/TexelFetchScale_vp.glsl
View file

@ -1,20 +0,0 @@
ivec2 Helper_TexelFetchScale(ivec2 inputVec, int samplerIndex)
{
float scale = abs(support_buffer.s_render_scale[1 + samplerIndex + support_buffer.s_frag_scale_count]);
if (scale == 1.0)
{
return inputVec;
}
return ivec2(vec2(inputVec) * scale);
}
int Helper_TextureSizeUnscale(int size, int samplerIndex)
{
float scale = abs(support_buffer.s_render_scale[1 + samplerIndex + support_buffer.s_frag_scale_count]);
if (scale == 1.0)
{
return size;
}
return int(float(size) / scale);
}

1
src/Ryujinx.Graphics.Shader/CodeGen/Glsl/Instructions/InstGenHelper.cs
View file

@ -101,6 +101,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
Add(Instruction.MemoryBarrier, InstType.CallNullary, "memoryBarrier");
Add(Instruction.Minimum, InstType.CallBinary, "min");
Add(Instruction.MinimumU32, InstType.CallBinary, "min");
Add(Instruction.Modulo, InstType.CallBinary, "mod");
Add(Instruction.Multiply, InstType.OpBinaryCom, "*", 1);
Add(Instruction.MultiplyHighS32, InstType.CallBinary, HelperFunctionNames.MultiplyHighS32);
Add(Instruction.MultiplyHighU32, InstType.CallBinary, HelperFunctionNames.MultiplyHighU32);

84
src/Ryujinx.Graphics.Shader/CodeGen/Glsl/Instructions/InstGenMemory.cs
View file

@ -97,30 +97,6 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
texCallBuilder.Append(str);
}
string ApplyScaling(string vector)
{
if (context.Config.Stage.SupportsRenderScale() &&
texOp.Inst == Instruction.ImageLoad &&
!isBindless &&
!isIndexed)
{
// Image scales start after texture ones.
int scaleIndex = context.Config.GetTextureDescriptors().Length + context.Config.FindImageDescriptorIndex(texOp);
if (pCount == 3 && isArray)
{
// The array index is not scaled, just x and y.
vector = $"ivec3(Helper_TexelFetchScale(({vector}).xy, {scaleIndex}), ({vector}).z)";
}
else if (pCount == 2 && !isArray)
{
vector = $"Helper_TexelFetchScale({vector}, {scaleIndex})";
}
}
return vector;
}
if (pCount > 1)
{
string[] elems = new string[pCount];
@ -130,7 +106,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
elems[index] = Src(AggregateType.S32);
}
Append(ApplyScaling($"ivec{pCount}({string.Join(", ", elems)})"));
Append($"ivec{pCount}({string.Join(", ", elems)})");
}
else
{
@ -584,53 +560,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
}
}
string ApplyScaling(string vector)
{
if (intCoords)
{
if (context.Config.Stage.SupportsRenderScale() &&
!isBindless &&
!isIndexed)
{
int index = context.Config.FindTextureDescriptorIndex(texOp);
if (pCount == 3 && isArray)
{
// The array index is not scaled, just x and y.
vector = "ivec3(Helper_TexelFetchScale((" + vector + ").xy, " + index + "), (" + vector + ").z)";
}
else if (pCount == 2 && !isArray)
{
vector = "Helper_TexelFetchScale(" + vector + ", " + index + ")";
}
}
}
return vector;
}
string ApplyBias(string vector)
{
int gatherBiasPrecision = context.Config.GpuAccessor.QueryHostGatherBiasPrecision();
if (isGather && gatherBiasPrecision != 0)
{
// GPU requires texture gather to be slightly offset to match NVIDIA behaviour when point is exactly between two texels.
// Offset by the gather precision divided by 2 to correct for rounding.
if (pCount == 1)
{
vector = $"{vector} + (1.0 / (float(textureSize({samplerName}, 0)) * float({1 << (gatherBiasPrecision + 1)})))";
}
else
{
vector = $"{vector} + (1.0 / (vec{pCount}(textureSize({samplerName}, 0).{"xyz".Substring(0, pCount)}) * float({1 << (gatherBiasPrecision + 1)})))";
}
}
return vector;
}
Append(ApplyBias(ApplyScaling(AssemblePVector(pCount))));
Append(AssemblePVector(pCount));
string AssembleDerivativesVector(int count)
{
@ -750,7 +680,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
}
else
{
(TextureDescriptor descriptor, int descriptorIndex) = context.Config.FindTextureDescriptor(texOp);
TextureDescriptor descriptor = context.Config.FindTextureDescriptor(texOp);
bool hasLod = !descriptor.Type.HasFlag(SamplerType.Multisample) && descriptor.Type != SamplerType.TextureBuffer;
string texCall;
@ -767,14 +697,6 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
texCall = $"textureSize({samplerName}){GetMask(texOp.Index)}";
}
if (context.Config.Stage.SupportsRenderScale() &&
(texOp.Index < 2 || (texOp.Type & SamplerType.Mask) == SamplerType.Texture3D) &&
!isBindless &&
!isIndexed)
{
texCall = $"Helper_TextureSizeUnscale({texCall}, {descriptorIndex})";
}
return texCall;
}
}

1
src/Ryujinx.Graphics.Shader/CodeGen/Spirv/CodeGenContext.cs
View file

@ -36,6 +36,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Spirv
public Dictionary<IoDefinition, Instruction> OutputsPerPatch { get; } = new Dictionary<IoDefinition, Instruction>();
public Instruction CoordTemp { get; set; }
public StructuredFunction CurrentFunction { get; set; }
private readonly Dictionary<AstOperand, Instruction> _locals = new Dictionary<AstOperand, Instruction>();
private readonly Dictionary<int, Instruction[]> _localForArgs = new Dictionary<int, Instruction[]>();
private readonly Dictionary<int, Instruction> _funcArgs = new Dictionary<int, Instruction>();

54
src/Ryujinx.Graphics.Shader/CodeGen/Spirv/Instructions.cs
View file

@ -4,7 +4,6 @@ using Ryujinx.Graphics.Shader.Translation;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Numerics;
using static Spv.Specification;
@ -114,6 +113,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Spirv
Add(Instruction.MemoryBarrier, GenerateMemoryBarrier);
Add(Instruction.Minimum, GenerateMinimum);
Add(Instruction.MinimumU32, GenerateMinimumU32);
Add(Instruction.Modulo, GenerateModulo);
Add(Instruction.Multiply, GenerateMultiply);
Add(Instruction.MultiplyHighS32, GenerateMultiplyHighS32);
Add(Instruction.MultiplyHighU32, GenerateMultiplyHighU32);
@ -744,8 +744,6 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Spirv
pCoords = Src(AggregateType.S32);
}
pCoords = ScalingHelpers.ApplyScaling(context, texOp, pCoords, intCoords: true, isBindless, isIndexed, isArray, pCount);
(var imageType, var imageVariable) = context.Images[new TextureMeta(texOp.CbufSlot, texOp.Handle, texOp.Format)];
var image = context.Load(imageType, imageVariable);
@ -1040,6 +1038,11 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Spirv
return GenerateBinaryU32(context, operation, context.Delegates.GlslUMin);
}
private static OperationResult GenerateModulo(CodeGenContext context, AstOperation operation)
{
return GenerateBinary(context, operation, context.Delegates.FMod, null);
}
private static OperationResult GenerateMultiply(CodeGenContext context, AstOperation operation)
{
return GenerateBinary(context, operation, context.Delegates.FMul, context.Delegates.IMul);
@ -1101,7 +1104,15 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Spirv
private static OperationResult GenerateReturn(CodeGenContext context, AstOperation operation)
{
context.Return();
if (operation.SourcesCount != 0)
{
context.ReturnValue(context.Get(context.CurrentFunction.ReturnType, operation.GetSource(0)));
}
else
{
context.Return();
}
return OperationResult.Invalid;
}
@ -1439,35 +1450,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Spirv
}
}
SpvInstruction ApplyBias(SpvInstruction vector, SpvInstruction image)
{
int gatherBiasPrecision = context.Config.GpuAccessor.QueryHostGatherBiasPrecision();
if (isGather && gatherBiasPrecision != 0)
{
// GPU requires texture gather to be slightly offset to match NVIDIA behaviour when point is exactly between two texels.
// Offset by the gather precision divided by 2 to correct for rounding.
var sizeType = pCount == 1 ? context.TypeS32() : context.TypeVector(context.TypeS32(), pCount);
var pVectorType = pCount == 1 ? context.TypeFP32() : context.TypeVector(context.TypeFP32(), pCount);
var bias = context.Constant(context.TypeFP32(), (float)(1 << (gatherBiasPrecision + 1)));
var biasVector = context.CompositeConstruct(pVectorType, Enumerable.Repeat(bias, pCount).ToArray());
var one = context.Constant(context.TypeFP32(), 1f);
var oneVector = context.CompositeConstruct(pVectorType, Enumerable.Repeat(one, pCount).ToArray());
var divisor = context.FMul(
pVectorType,
context.ConvertSToF(pVectorType, context.ImageQuerySize(sizeType, image)),
biasVector);
vector = context.FAdd(pVectorType, vector, context.FDiv(pVectorType, oneVector, divisor));
}
return vector;
}
SpvInstruction pCoords = AssemblePVector(pCount);
pCoords = ScalingHelpers.ApplyScaling(context, texOp, pCoords, intCoords, isBindless, isIndexed, isArray, pCount);
SpvInstruction AssembleDerivativesVector(int count)
{
@ -1638,8 +1621,6 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Spirv
image = context.Image(imageType, image);
}
pCoords = ApplyBias(pCoords, image);
var operands = operandsList.ToArray();
SpvInstruction result;
@ -1755,11 +1736,6 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Spirv
result = context.CompositeExtract(context.TypeS32(), result, (SpvLiteralInteger)texOp.Index);
}
if (texOp.Index < 2 || (type & SamplerType.Mask) == SamplerType.Texture3D)
{
result = ScalingHelpers.ApplyUnscaling(context, texOp.WithType(type), result, isBindless, isIndexed);
}
return new OperationResult(AggregateType.S32, result);
}
}

227
src/Ryujinx.Graphics.Shader/CodeGen/Spirv/ScalingHelpers.cs
View file

@ -1,227 +0,0 @@
using Ryujinx.Graphics.Shader.IntermediateRepresentation;
using Ryujinx.Graphics.Shader.StructuredIr;
using Ryujinx.Graphics.Shader.Translation;
using static Spv.Specification;
namespace Ryujinx.Graphics.Shader.CodeGen.Spirv
{
using SpvInstruction = Spv.Generator.Instruction;
static class ScalingHelpers
{
public static SpvInstruction ApplyScaling(
CodeGenContext context,
AstTextureOperation texOp,
SpvInstruction vector,
bool intCoords,
bool isBindless,
bool isIndexed,
bool isArray,
int pCount)
{
if (intCoords)
{
if (context.Config.Stage.SupportsRenderScale() &&
!isBindless &&
!isIndexed)
{
int index = texOp.Inst == Instruction.ImageLoad
? context.Config.GetTextureDescriptors().Length + context.Config.FindImageDescriptorIndex(texOp)
: context.Config.FindTextureDescriptorIndex(texOp);
if (pCount == 3 && isArray)
{
return ApplyScaling2DArray(context, vector, index);
}
else if (pCount == 2 && !isArray)
{
return ApplyScaling2D(context, vector, index);
}
}
}
return vector;
}
private static SpvInstruction ApplyScaling2DArray(CodeGenContext context, SpvInstruction vector, int index)
{
// The array index is not scaled, just x and y.
var vectorXY = context.VectorShuffle(context.TypeVector(context.TypeS32(), 2), vector, vector, 0, 1);
var vectorZ = context.CompositeExtract(context.TypeS32(), vector, 2);
var vectorXYScaled = ApplyScaling2D(context, vectorXY, index);
var vectorScaled = context.CompositeConstruct(context.TypeVector(context.TypeS32(), 3), vectorXYScaled, vectorZ);
return vectorScaled;
}
private static SpvInstruction ApplyScaling2D(CodeGenContext context, SpvInstruction vector, int index)
{
var pointerType = context.TypePointer(StorageClass.Uniform, context.TypeFP32());
var fieldIndex = context.Constant(context.TypeU32(), 4);
var scaleIndex = context.Constant(context.TypeU32(), index);
if (context.Config.Stage == ShaderStage.Vertex)
{
var scaleCountPointerType = context.TypePointer(StorageClass.Uniform, context.TypeS32());
var scaleCountElemPointer = context.AccessChain(scaleCountPointerType, context.ConstantBuffers[0], context.Constant(context.TypeU32(), 3));
var scaleCount = context.Load(context.TypeS32(), scaleCountElemPointer);
scaleIndex = context.IAdd(context.TypeU32(), scaleIndex, scaleCount);
}
scaleIndex = context.IAdd(context.TypeU32(), scaleIndex, context.Constant(context.TypeU32(), 1));
var scaleElemPointer = context.AccessChain(pointerType, context.ConstantBuffers[0], fieldIndex, scaleIndex);
var scale = context.Load(context.TypeFP32(), scaleElemPointer);
var ivector2Type = context.TypeVector(context.TypeS32(), 2);
var localVector = context.CoordTemp;
var passthrough = context.FOrdEqual(context.TypeBool(), scale, context.Constant(context.TypeFP32(), 1f));
var mergeLabel = context.Label();
if (context.Config.Stage == ShaderStage.Fragment)
{
var scaledInterpolatedLabel = context.Label();
var scaledNoInterpolationLabel = context.Label();
var needsInterpolation = context.FOrdLessThan(context.TypeBool(), scale, context.Constant(context.TypeFP32(), 0f));
context.SelectionMerge(mergeLabel, SelectionControlMask.MaskNone);
context.BranchConditional(needsInterpolation, scaledInterpolatedLabel, scaledNoInterpolationLabel);
// scale < 0.0
context.AddLabel(scaledInterpolatedLabel);
ApplyScalingInterpolated(context, localVector, vector, scale);
context.Branch(mergeLabel);
// scale >= 0.0
context.AddLabel(scaledNoInterpolationLabel);
ApplyScalingNoInterpolation(context, localVector, vector, scale);
context.Branch(mergeLabel);
context.AddLabel(mergeLabel);
var passthroughLabel = context.Label();
var finalMergeLabel = context.Label();
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
{
var passthroughLabel = context.Label();
var scaledLabel = context.Label();
context.SelectionMerge(mergeLabel, SelectionControlMask.MaskNone);
context.BranchConditional(passthrough, passthroughLabel, scaledLabel);
// scale == 1.0
context.AddLabel(passthroughLabel);
context.Store(localVector, vector);
context.Branch(mergeLabel);
// scale != 1.0
context.AddLabel(scaledLabel);
ApplyScalingNoInterpolation(context, localVector, vector, scale);
context.Branch(mergeLabel);
context.AddLabel(mergeLabel);
return context.Load(ivector2Type, localVector);
}
}
private static void ApplyScalingInterpolated(CodeGenContext context, SpvInstruction output, SpvInstruction vector, SpvInstruction scale)
{
var vector2Type = context.TypeVector(context.TypeFP32(), 2);
var scaleNegated = context.FNegate(context.TypeFP32(), scale);
var scaleVector = context.CompositeConstruct(vector2Type, scaleNegated, scaleNegated);
var vectorFloat = context.ConvertSToF(vector2Type, vector);
var vectorScaled = context.VectorTimesScalar(vector2Type, vectorFloat, scaleNegated);
var fragCoordPointer = context.Inputs[new IoDefinition(StorageKind.Input, IoVariable.FragmentCoord)];
var fragCoord = context.Load(context.TypeVector(context.TypeFP32(), 4), fragCoordPointer);
var fragCoordXY = context.VectorShuffle(vector2Type, fragCoord, fragCoord, 0, 1);
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));
}
private static void ApplyScalingNoInterpolation(CodeGenContext context, SpvInstruction output, SpvInstruction vector, SpvInstruction scale)
{
if (context.Config.Stage == ShaderStage.Vertex)
{
scale = context.GlslFAbs(context.TypeFP32(), scale);
}
var vector2Type = context.TypeVector(context.TypeFP32(), 2);
var vectorFloat = context.ConvertSToF(vector2Type, vector);
var vectorScaled = context.VectorTimesScalar(vector2Type, vectorFloat, scale);
context.Store(output, context.ConvertFToS(context.TypeVector(context.TypeS32(), 2), vectorScaled));
}
public static SpvInstruction ApplyUnscaling(
CodeGenContext context,
AstTextureOperation texOp,
SpvInstruction size,
bool isBindless,
bool isIndexed)
{
if (context.Config.Stage.SupportsRenderScale() &&
!isBindless &&
!isIndexed)
{
int index = context.Config.FindTextureDescriptorIndex(texOp);
var pointerType = context.TypePointer(StorageClass.Uniform, context.TypeFP32());
var fieldIndex = context.Constant(context.TypeU32(), 4);
var scaleIndex = context.Constant(context.TypeU32(), index);
if (context.Config.Stage == ShaderStage.Vertex)
{
var scaleCountPointerType = context.TypePointer(StorageClass.Uniform, context.TypeS32());
var scaleCountElemPointer = context.AccessChain(scaleCountPointerType, context.ConstantBuffers[0], context.Constant(context.TypeU32(), 3));
var scaleCount = context.Load(context.TypeS32(), scaleCountElemPointer);
scaleIndex = context.IAdd(context.TypeU32(), scaleIndex, scaleCount);
}
scaleIndex = context.IAdd(context.TypeU32(), scaleIndex, context.Constant(context.TypeU32(), 1));
var scaleElemPointer = context.AccessChain(pointerType, context.ConstantBuffers[0], fieldIndex, scaleIndex);
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(), sizeFloat, scale);
var sizeUnscaledInt = context.ConvertFToS(context.TypeS32(), sizeUnscaled);
return context.Select(context.TypeS32(), passthrough, size, sizeUnscaledInt);
}
return size;
}
}
}

2
src/Ryujinx.Graphics.Shader/CodeGen/Spirv/SpirvDelegates.cs
View file

@ -67,6 +67,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Spirv
public readonly FuncBinaryInstruction GlslSMax;
public readonly FuncBinaryInstruction GlslFMin;
public readonly FuncBinaryInstruction GlslSMin;
public readonly FuncBinaryInstruction FMod;
public readonly FuncBinaryInstruction FMul;
public readonly FuncBinaryInstruction IMul;
public readonly FuncBinaryInstruction FSub;
@ -174,6 +175,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Spirv
GlslSMax = context.GlslSMax;
GlslFMin = context.GlslFMin;
GlslSMin = context.GlslSMin;
FMod = context.FMod;
FMul = context.FMul;
IMul = context.IMul;
FSub = context.FSub;

5
src/Ryujinx.Graphics.Shader/CodeGen/Spirv/SpirvGenerator.cs
View file

@ -144,10 +144,9 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Spirv
private static void Generate(CodeGenContext context, StructuredProgramInfo info, int funcIndex)
{
var function = info.Functions[funcIndex];
(_, var spvFunc) = context.GetFunction(funcIndex);
(var function, var spvFunc) = context.GetFunction(funcIndex);
context.CurrentFunction = function;
context.AddFunction(spvFunc);
context.StartFunction();