aboutsummaryrefslogtreecommitdiff
path: root/src/Ryujinx.Graphics.Shader/CodeGen/Spirv
diff options
context:
space:
mode:
Diffstat (limited to 'src/Ryujinx.Graphics.Shader/CodeGen/Spirv')
-rw-r--r--src/Ryujinx.Graphics.Shader/CodeGen/Spirv/CodeGenContext.cs1
-rw-r--r--src/Ryujinx.Graphics.Shader/CodeGen/Spirv/Instructions.cs54
-rw-r--r--src/Ryujinx.Graphics.Shader/CodeGen/Spirv/ScalingHelpers.cs227
-rw-r--r--src/Ryujinx.Graphics.Shader/CodeGen/Spirv/SpirvDelegates.cs2
-rw-r--r--src/Ryujinx.Graphics.Shader/CodeGen/Spirv/SpirvGenerator.cs5
5 files changed, 20 insertions, 269 deletions
diff --git a/src/Ryujinx.Graphics.Shader/CodeGen/Spirv/CodeGenContext.cs b/src/Ryujinx.Graphics.Shader/CodeGen/Spirv/CodeGenContext.cs
index 0ef89b39..7af6d316 100644
--- a/src/Ryujinx.Graphics.Shader/CodeGen/Spirv/CodeGenContext.cs
+++ b/src/Ryujinx.Graphics.Shader/CodeGen/Spirv/CodeGenContext.cs
@@ -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>();
diff --git a/src/Ryujinx.Graphics.Shader/CodeGen/Spirv/Instructions.cs b/src/Ryujinx.Graphics.Shader/CodeGen/Spirv/Instructions.cs
index fda0dc47..eb64f824 100644
--- a/src/Ryujinx.Graphics.Shader/CodeGen/Spirv/Instructions.cs
+++ b/src/Ryujinx.Graphics.Shader/CodeGen/Spirv/Instructions.cs
@@ -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);
}
}
diff --git a/src/Ryujinx.Graphics.Shader/CodeGen/Spirv/ScalingHelpers.cs b/src/Ryujinx.Graphics.Shader/CodeGen/Spirv/ScalingHelpers.cs
deleted file mode 100644
index c8b21e88..00000000
--- a/src/Ryujinx.Graphics.Shader/CodeGen/Spirv/ScalingHelpers.cs
+++ /dev/null
@@ -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;
- }
- }
-} \ No newline at end of file
diff --git a/src/Ryujinx.Graphics.Shader/CodeGen/Spirv/SpirvDelegates.cs b/src/Ryujinx.Graphics.Shader/CodeGen/Spirv/SpirvDelegates.cs
index 3ccfd7f5..0fa954e1 100644
--- a/src/Ryujinx.Graphics.Shader/CodeGen/Spirv/SpirvDelegates.cs
+++ b/src/Ryujinx.Graphics.Shader/CodeGen/Spirv/SpirvDelegates.cs
@@ -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;
diff --git a/src/Ryujinx.Graphics.Shader/CodeGen/Spirv/SpirvGenerator.cs b/src/Ryujinx.Graphics.Shader/CodeGen/Spirv/SpirvGenerator.cs
index 3e11a974..a55e09fd 100644
--- a/src/Ryujinx.Graphics.Shader/CodeGen/Spirv/SpirvGenerator.cs
+++ b/src/Ryujinx.Graphics.Shader/CodeGen/Spirv/SpirvGenerator.cs
@@ -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();