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authorTSR Berry <20988865+TSRBerry@users.noreply.github.com>2023-04-08 01:22:00 +0200
committerMary <thog@protonmail.com>2023-04-27 23:51:14 +0200
commitcee712105850ac3385cd0091a923438167433f9f (patch)
tree4a5274b21d8b7f938c0d0ce18736d3f2993b11b1 /Ryujinx.Graphics.Shader/CodeGen/Spirv/Instructions.cs
parentcd124bda587ef09668a971fa1cac1c3f0cfc9f21 (diff)
Move solution and projects to src
Diffstat (limited to 'Ryujinx.Graphics.Shader/CodeGen/Spirv/Instructions.cs')
-rw-r--r--Ryujinx.Graphics.Shader/CodeGen/Spirv/Instructions.cs2480
1 files changed, 0 insertions, 2480 deletions
diff --git a/Ryujinx.Graphics.Shader/CodeGen/Spirv/Instructions.cs b/Ryujinx.Graphics.Shader/CodeGen/Spirv/Instructions.cs
deleted file mode 100644
index b6ffdb7a..00000000
--- a/Ryujinx.Graphics.Shader/CodeGen/Spirv/Instructions.cs
+++ /dev/null
@@ -1,2480 +0,0 @@
-using Ryujinx.Graphics.Shader.IntermediateRepresentation;
-using Ryujinx.Graphics.Shader.StructuredIr;
-using Ryujinx.Graphics.Shader.Translation;
-using System;
-using System.Collections.Generic;
-using System.Diagnostics;
-using System.Linq;
-using System.Numerics;
-using static Spv.Specification;
-
-namespace Ryujinx.Graphics.Shader.CodeGen.Spirv
-{
- using SpvInstruction = Spv.Generator.Instruction;
- using SpvLiteralInteger = Spv.Generator.LiteralInteger;
-
- static class Instructions
- {
- private const MemorySemanticsMask DefaultMemorySemantics =
- MemorySemanticsMask.ImageMemory |
- MemorySemanticsMask.AtomicCounterMemory |
- MemorySemanticsMask.WorkgroupMemory |
- MemorySemanticsMask.UniformMemory |
- MemorySemanticsMask.AcquireRelease;
-
- private static readonly Func<CodeGenContext, AstOperation, OperationResult>[] InstTable;
-
- static Instructions()
- {
- InstTable = new Func<CodeGenContext, AstOperation, OperationResult>[(int)Instruction.Count];
-
- Add(Instruction.Absolute, GenerateAbsolute);
- Add(Instruction.Add, GenerateAdd);
- Add(Instruction.AtomicAdd, GenerateAtomicAdd);
- Add(Instruction.AtomicAnd, GenerateAtomicAnd);
- Add(Instruction.AtomicCompareAndSwap, GenerateAtomicCompareAndSwap);
- Add(Instruction.AtomicMinS32, GenerateAtomicMinS32);
- Add(Instruction.AtomicMinU32, GenerateAtomicMinU32);
- Add(Instruction.AtomicMaxS32, GenerateAtomicMaxS32);
- Add(Instruction.AtomicMaxU32, GenerateAtomicMaxU32);
- Add(Instruction.AtomicOr, GenerateAtomicOr);
- Add(Instruction.AtomicSwap, GenerateAtomicSwap);
- Add(Instruction.AtomicXor, GenerateAtomicXor);
- Add(Instruction.Ballot, GenerateBallot);
- Add(Instruction.Barrier, GenerateBarrier);
- Add(Instruction.BitCount, GenerateBitCount);
- Add(Instruction.BitfieldExtractS32, GenerateBitfieldExtractS32);
- Add(Instruction.BitfieldExtractU32, GenerateBitfieldExtractU32);
- Add(Instruction.BitfieldInsert, GenerateBitfieldInsert);
- Add(Instruction.BitfieldReverse, GenerateBitfieldReverse);
- Add(Instruction.BitwiseAnd, GenerateBitwiseAnd);
- Add(Instruction.BitwiseExclusiveOr, GenerateBitwiseExclusiveOr);
- Add(Instruction.BitwiseNot, GenerateBitwiseNot);
- Add(Instruction.BitwiseOr, GenerateBitwiseOr);
- Add(Instruction.Call, GenerateCall);
- Add(Instruction.Ceiling, GenerateCeiling);
- Add(Instruction.Clamp, GenerateClamp);
- Add(Instruction.ClampU32, GenerateClampU32);
- Add(Instruction.Comment, GenerateComment);
- Add(Instruction.CompareEqual, GenerateCompareEqual);
- Add(Instruction.CompareGreater, GenerateCompareGreater);
- Add(Instruction.CompareGreaterOrEqual, GenerateCompareGreaterOrEqual);
- Add(Instruction.CompareGreaterOrEqualU32, GenerateCompareGreaterOrEqualU32);
- Add(Instruction.CompareGreaterU32, GenerateCompareGreaterU32);
- Add(Instruction.CompareLess, GenerateCompareLess);
- Add(Instruction.CompareLessOrEqual, GenerateCompareLessOrEqual);
- Add(Instruction.CompareLessOrEqualU32, GenerateCompareLessOrEqualU32);
- Add(Instruction.CompareLessU32, GenerateCompareLessU32);
- Add(Instruction.CompareNotEqual, GenerateCompareNotEqual);
- Add(Instruction.ConditionalSelect, GenerateConditionalSelect);
- Add(Instruction.ConvertFP32ToFP64, GenerateConvertFP32ToFP64);
- Add(Instruction.ConvertFP32ToS32, GenerateConvertFP32ToS32);
- Add(Instruction.ConvertFP32ToU32, GenerateConvertFP32ToU32);
- Add(Instruction.ConvertFP64ToFP32, GenerateConvertFP64ToFP32);
- Add(Instruction.ConvertFP64ToS32, GenerateConvertFP64ToS32);
- Add(Instruction.ConvertFP64ToU32, GenerateConvertFP64ToU32);
- Add(Instruction.ConvertS32ToFP32, GenerateConvertS32ToFP32);
- Add(Instruction.ConvertS32ToFP64, GenerateConvertS32ToFP64);
- Add(Instruction.ConvertU32ToFP32, GenerateConvertU32ToFP32);
- Add(Instruction.ConvertU32ToFP64, GenerateConvertU32ToFP64);
- Add(Instruction.Cosine, GenerateCosine);
- Add(Instruction.Ddx, GenerateDdx);
- Add(Instruction.Ddy, GenerateDdy);
- Add(Instruction.Discard, GenerateDiscard);
- Add(Instruction.Divide, GenerateDivide);
- Add(Instruction.EmitVertex, GenerateEmitVertex);
- Add(Instruction.EndPrimitive, GenerateEndPrimitive);
- Add(Instruction.ExponentB2, GenerateExponentB2);
- Add(Instruction.FSIBegin, GenerateFSIBegin);
- Add(Instruction.FSIEnd, GenerateFSIEnd);
- Add(Instruction.FindLSB, GenerateFindLSB);
- Add(Instruction.FindMSBS32, GenerateFindMSBS32);
- Add(Instruction.FindMSBU32, GenerateFindMSBU32);
- Add(Instruction.Floor, GenerateFloor);
- Add(Instruction.FusedMultiplyAdd, GenerateFusedMultiplyAdd);
- Add(Instruction.GroupMemoryBarrier, GenerateGroupMemoryBarrier);
- Add(Instruction.ImageAtomic, GenerateImageAtomic);
- Add(Instruction.ImageLoad, GenerateImageLoad);
- Add(Instruction.ImageStore, GenerateImageStore);
- Add(Instruction.IsNan, GenerateIsNan);
- Add(Instruction.Load, GenerateLoad);
- Add(Instruction.LoadConstant, GenerateLoadConstant);
- Add(Instruction.LoadLocal, GenerateLoadLocal);
- Add(Instruction.LoadShared, GenerateLoadShared);
- Add(Instruction.LoadStorage, GenerateLoadStorage);
- Add(Instruction.Lod, GenerateLod);
- Add(Instruction.LogarithmB2, GenerateLogarithmB2);
- Add(Instruction.LogicalAnd, GenerateLogicalAnd);
- Add(Instruction.LogicalExclusiveOr, GenerateLogicalExclusiveOr);
- Add(Instruction.LogicalNot, GenerateLogicalNot);
- Add(Instruction.LogicalOr, GenerateLogicalOr);
- Add(Instruction.LoopBreak, GenerateLoopBreak);
- Add(Instruction.LoopContinue, GenerateLoopContinue);
- Add(Instruction.Maximum, GenerateMaximum);
- Add(Instruction.MaximumU32, GenerateMaximumU32);
- Add(Instruction.MemoryBarrier, GenerateMemoryBarrier);
- Add(Instruction.Minimum, GenerateMinimum);
- Add(Instruction.MinimumU32, GenerateMinimumU32);
- Add(Instruction.Multiply, GenerateMultiply);
- Add(Instruction.MultiplyHighS32, GenerateMultiplyHighS32);
- Add(Instruction.MultiplyHighU32, GenerateMultiplyHighU32);
- Add(Instruction.Negate, GenerateNegate);
- Add(Instruction.PackDouble2x32, GeneratePackDouble2x32);
- Add(Instruction.PackHalf2x16, GeneratePackHalf2x16);
- Add(Instruction.ReciprocalSquareRoot, GenerateReciprocalSquareRoot);
- Add(Instruction.Return, GenerateReturn);
- Add(Instruction.Round, GenerateRound);
- Add(Instruction.ShiftLeft, GenerateShiftLeft);
- Add(Instruction.ShiftRightS32, GenerateShiftRightS32);
- Add(Instruction.ShiftRightU32, GenerateShiftRightU32);
- Add(Instruction.Shuffle, GenerateShuffle);
- Add(Instruction.ShuffleDown, GenerateShuffleDown);
- Add(Instruction.ShuffleUp, GenerateShuffleUp);
- Add(Instruction.ShuffleXor, GenerateShuffleXor);
- Add(Instruction.Sine, GenerateSine);
- Add(Instruction.SquareRoot, GenerateSquareRoot);
- Add(Instruction.Store, GenerateStore);
- Add(Instruction.StoreLocal, GenerateStoreLocal);
- Add(Instruction.StoreShared, GenerateStoreShared);
- Add(Instruction.StoreShared16, GenerateStoreShared16);
- Add(Instruction.StoreShared8, GenerateStoreShared8);
- Add(Instruction.StoreStorage, GenerateStoreStorage);
- Add(Instruction.StoreStorage16, GenerateStoreStorage16);
- Add(Instruction.StoreStorage8, GenerateStoreStorage8);
- Add(Instruction.Subtract, GenerateSubtract);
- Add(Instruction.SwizzleAdd, GenerateSwizzleAdd);
- Add(Instruction.TextureSample, GenerateTextureSample);
- Add(Instruction.TextureSize, GenerateTextureSize);
- Add(Instruction.Truncate, GenerateTruncate);
- Add(Instruction.UnpackDouble2x32, GenerateUnpackDouble2x32);
- Add(Instruction.UnpackHalf2x16, GenerateUnpackHalf2x16);
- Add(Instruction.VectorExtract, GenerateVectorExtract);
- Add(Instruction.VoteAll, GenerateVoteAll);
- Add(Instruction.VoteAllEqual, GenerateVoteAllEqual);
- Add(Instruction.VoteAny, GenerateVoteAny);
- }
-
- private static void Add(Instruction inst, Func<CodeGenContext, AstOperation, OperationResult> handler)
- {
- InstTable[(int)(inst & Instruction.Mask)] = handler;
- }
-
- public static OperationResult Generate(CodeGenContext context, AstOperation operation)
- {
- var handler = InstTable[(int)(operation.Inst & Instruction.Mask)];
- if (handler != null)
- {
- return handler(context, operation);
- }
- else
- {
- throw new NotImplementedException(operation.Inst.ToString());
- }
- }
-
- private static OperationResult GenerateAbsolute(CodeGenContext context, AstOperation operation)
- {
- return GenerateUnary(context, operation, context.Delegates.GlslFAbs, context.Delegates.GlslSAbs);
- }
-
- private static OperationResult GenerateAdd(CodeGenContext context, AstOperation operation)
- {
- return GenerateBinary(context, operation, context.Delegates.FAdd, context.Delegates.IAdd);
- }
-
- private static OperationResult GenerateAtomicAdd(CodeGenContext context, AstOperation operation)
- {
- return GenerateAtomicMemoryBinary(context, operation, context.Delegates.AtomicIAdd);
- }
-
- private static OperationResult GenerateAtomicAnd(CodeGenContext context, AstOperation operation)
- {
- return GenerateAtomicMemoryBinary(context, operation, context.Delegates.AtomicAnd);
- }
-
- private static OperationResult GenerateAtomicCompareAndSwap(CodeGenContext context, AstOperation operation)
- {
- return GenerateAtomicMemoryCas(context, operation);
- }
-
- private static OperationResult GenerateAtomicMinS32(CodeGenContext context, AstOperation operation)
- {
- return GenerateAtomicMemoryBinary(context, operation, context.Delegates.AtomicSMin);
- }
-
- private static OperationResult GenerateAtomicMinU32(CodeGenContext context, AstOperation operation)
- {
- return GenerateAtomicMemoryBinary(context, operation, context.Delegates.AtomicUMin);
- }
-
- private static OperationResult GenerateAtomicMaxS32(CodeGenContext context, AstOperation operation)
- {
- return GenerateAtomicMemoryBinary(context, operation, context.Delegates.AtomicSMax);
- }
-
- private static OperationResult GenerateAtomicMaxU32(CodeGenContext context, AstOperation operation)
- {
- return GenerateAtomicMemoryBinary(context, operation, context.Delegates.AtomicUMax);
- }
-
- private static OperationResult GenerateAtomicOr(CodeGenContext context, AstOperation operation)
- {
- return GenerateAtomicMemoryBinary(context, operation, context.Delegates.AtomicOr);
- }
-
- private static OperationResult GenerateAtomicSwap(CodeGenContext context, AstOperation operation)
- {
- return GenerateAtomicMemoryBinary(context, operation, context.Delegates.AtomicExchange);
- }
-
- private static OperationResult GenerateAtomicXor(CodeGenContext context, AstOperation operation)
- {
- return GenerateAtomicMemoryBinary(context, operation, context.Delegates.AtomicXor);
- }
-
- private static OperationResult GenerateBallot(CodeGenContext context, AstOperation operation)
- {
- var source = operation.GetSource(0);
-
- var uvec4Type = context.TypeVector(context.TypeU32(), 4);
- var execution = context.Constant(context.TypeU32(), Scope.Subgroup);
-
- var maskVector = context.GroupNonUniformBallot(uvec4Type, execution, context.Get(AggregateType.Bool, source));
- var mask = context.CompositeExtract(context.TypeU32(), maskVector, (SpvLiteralInteger)0);
-
- return new OperationResult(AggregateType.U32, mask);
- }
-
- private static OperationResult GenerateBarrier(CodeGenContext context, AstOperation operation)
- {
- context.ControlBarrier(
- context.Constant(context.TypeU32(), Scope.Workgroup),
- context.Constant(context.TypeU32(), Scope.Workgroup),
- context.Constant(context.TypeU32(), MemorySemanticsMask.WorkgroupMemory | MemorySemanticsMask.AcquireRelease));
-
- return OperationResult.Invalid;
- }
-
- private static OperationResult GenerateBitCount(CodeGenContext context, AstOperation operation)
- {
- return GenerateUnaryS32(context, operation, context.Delegates.BitCount);
- }
-
- private static OperationResult GenerateBitfieldExtractS32(CodeGenContext context, AstOperation operation)
- {
- return GenerateBitfieldExtractS32(context, operation, context.Delegates.BitFieldSExtract);
- }
-
- private static OperationResult GenerateBitfieldExtractU32(CodeGenContext context, AstOperation operation)
- {
- return GenerateTernaryU32(context, operation, context.Delegates.BitFieldUExtract);
- }
-
- private static OperationResult GenerateBitfieldInsert(CodeGenContext context, AstOperation operation)
- {
- return GenerateBitfieldInsert(context, operation, context.Delegates.BitFieldInsert);
- }
-
- private static OperationResult GenerateBitfieldReverse(CodeGenContext context, AstOperation operation)
- {
- return GenerateUnaryS32(context, operation, context.Delegates.BitReverse);
- }
-
- private static OperationResult GenerateBitwiseAnd(CodeGenContext context, AstOperation operation)
- {
- return GenerateBinaryS32(context, operation, context.Delegates.BitwiseAnd);
- }
-
- private static OperationResult GenerateBitwiseExclusiveOr(CodeGenContext context, AstOperation operation)
- {
- return GenerateBinaryS32(context, operation, context.Delegates.BitwiseXor);
- }
-
- private static OperationResult GenerateBitwiseNot(CodeGenContext context, AstOperation operation)
- {
- return GenerateUnaryS32(context, operation, context.Delegates.Not);
- }
-
- private static OperationResult GenerateBitwiseOr(CodeGenContext context, AstOperation operation)
- {
- return GenerateBinaryS32(context, operation, context.Delegates.BitwiseOr);
- }
-
- private static OperationResult GenerateCall(CodeGenContext context, AstOperation operation)
- {
- AstOperand funcId = (AstOperand)operation.GetSource(0);
-
- Debug.Assert(funcId.Type == OperandType.Constant);
-
- (var function, var spvFunc) = context.GetFunction(funcId.Value);
-
- var args = new SpvInstruction[operation.SourcesCount - 1];
- var spvLocals = context.GetLocalForArgsPointers(funcId.Value);
-
- for (int i = 0; i < args.Length; i++)
- {
- var operand = (AstOperand)operation.GetSource(i + 1);
- if (i >= function.InArguments.Length)
- {
- args[i] = context.GetLocalPointer(operand);
- }
- else
- {
- var type = function.GetArgumentType(i);
- var value = context.Get(type, operand);
- var spvLocal = spvLocals[i];
-
- context.Store(spvLocal, value);
-
- args[i] = spvLocal;
- }
- }
-
- var retType = function.ReturnType;
- var result = context.FunctionCall(context.GetType(retType), spvFunc, args);
- return new OperationResult(retType, result);
- }
-
- private static OperationResult GenerateCeiling(CodeGenContext context, AstOperation operation)
- {
- return GenerateUnary(context, operation, context.Delegates.GlslCeil, null);
- }
-
- private static OperationResult GenerateClamp(CodeGenContext context, AstOperation operation)
- {
- return GenerateTernary(context, operation, context.Delegates.GlslFClamp, context.Delegates.GlslSClamp);
- }
-
- private static OperationResult GenerateClampU32(CodeGenContext context, AstOperation operation)
- {
- return GenerateTernaryU32(context, operation, context.Delegates.GlslUClamp);
- }
-
- private static OperationResult GenerateComment(CodeGenContext context, AstOperation operation)
- {
- return OperationResult.Invalid;
- }
-
- private static OperationResult GenerateCompareEqual(CodeGenContext context, AstOperation operation)
- {
- return GenerateCompare(context, operation, context.Delegates.FOrdEqual, context.Delegates.IEqual);
- }
-
- private static OperationResult GenerateCompareGreater(CodeGenContext context, AstOperation operation)
- {
- return GenerateCompare(context, operation, context.Delegates.FOrdGreaterThan, context.Delegates.SGreaterThan);
- }
-
- private static OperationResult GenerateCompareGreaterOrEqual(CodeGenContext context, AstOperation operation)
- {
- return GenerateCompare(context, operation, context.Delegates.FOrdGreaterThanEqual, context.Delegates.SGreaterThanEqual);
- }
-
- private static OperationResult GenerateCompareGreaterOrEqualU32(CodeGenContext context, AstOperation operation)
- {
- return GenerateCompareU32(context, operation, context.Delegates.UGreaterThanEqual);
- }
-
- private static OperationResult GenerateCompareGreaterU32(CodeGenContext context, AstOperation operation)
- {
- return GenerateCompareU32(context, operation, context.Delegates.UGreaterThan);
- }
-
- private static OperationResult GenerateCompareLess(CodeGenContext context, AstOperation operation)
- {
- return GenerateCompare(context, operation, context.Delegates.FOrdLessThan, context.Delegates.SLessThan);
- }
-
- private static OperationResult GenerateCompareLessOrEqual(CodeGenContext context, AstOperation operation)
- {
- return GenerateCompare(context, operation, context.Delegates.FOrdLessThanEqual, context.Delegates.SLessThanEqual);
- }
-
- private static OperationResult GenerateCompareLessOrEqualU32(CodeGenContext context, AstOperation operation)
- {
- return GenerateCompareU32(context, operation, context.Delegates.ULessThanEqual);
- }
-
- private static OperationResult GenerateCompareLessU32(CodeGenContext context, AstOperation operation)
- {
- return GenerateCompareU32(context, operation, context.Delegates.ULessThan);
- }
-
- private static OperationResult GenerateCompareNotEqual(CodeGenContext context, AstOperation operation)
- {
- return GenerateCompare(context, operation, context.Delegates.FOrdNotEqual, context.Delegates.INotEqual);
- }
-
- private static OperationResult GenerateConditionalSelect(CodeGenContext context, AstOperation operation)
- {
- var src1 = operation.GetSource(0);
- var src2 = operation.GetSource(1);
- var src3 = operation.GetSource(2);
-
- var cond = context.Get(AggregateType.Bool, src1);
-
- if (operation.Inst.HasFlag(Instruction.FP64))
- {
- return new OperationResult(AggregateType.FP64, context.Select(context.TypeFP64(), cond, context.GetFP64(src2), context.GetFP64(src3)));
- }
- else if (operation.Inst.HasFlag(Instruction.FP32))
- {
- return new OperationResult(AggregateType.FP32, context.Select(context.TypeFP32(), cond, context.GetFP32(src2), context.GetFP32(src3)));
- }
- else
- {
- return new OperationResult(AggregateType.S32, context.Select(context.TypeS32(), cond, context.GetS32(src2), context.GetS32(src3)));
- }
- }
-
- private static OperationResult GenerateConvertFP32ToFP64(CodeGenContext context, AstOperation operation)
- {
- var source = operation.GetSource(0);
-
- return new OperationResult(AggregateType.FP64, context.FConvert(context.TypeFP64(), context.GetFP32(source)));
- }
-
- private static OperationResult GenerateConvertFP32ToS32(CodeGenContext context, AstOperation operation)
- {
- var source = operation.GetSource(0);
-
- return new OperationResult(AggregateType.S32, context.ConvertFToS(context.TypeS32(), context.GetFP32(source)));
- }
-
- private static OperationResult GenerateConvertFP32ToU32(CodeGenContext context, AstOperation operation)
- {
- var source = operation.GetSource(0);
-
- return new OperationResult(AggregateType.U32, context.ConvertFToU(context.TypeU32(), context.GetFP32(source)));
- }
-
- private static OperationResult GenerateConvertFP64ToFP32(CodeGenContext context, AstOperation operation)
- {
- var source = operation.GetSource(0);
-
- return new OperationResult(AggregateType.FP32, context.FConvert(context.TypeFP32(), context.GetFP64(source)));
- }
-
- private static OperationResult GenerateConvertFP64ToS32(CodeGenContext context, AstOperation operation)
- {
- var source = operation.GetSource(0);
-
- return new OperationResult(AggregateType.S32, context.ConvertFToS(context.TypeS32(), context.GetFP64(source)));
- }
-
- private static OperationResult GenerateConvertFP64ToU32(CodeGenContext context, AstOperation operation)
- {
- var source = operation.GetSource(0);
-
- return new OperationResult(AggregateType.U32, context.ConvertFToU(context.TypeU32(), context.GetFP64(source)));
- }
-
- private static OperationResult GenerateConvertS32ToFP32(CodeGenContext context, AstOperation operation)
- {
- var source = operation.GetSource(0);
-
- return new OperationResult(AggregateType.FP32, context.ConvertSToF(context.TypeFP32(), context.GetS32(source)));
- }
-
- private static OperationResult GenerateConvertS32ToFP64(CodeGenContext context, AstOperation operation)
- {
- var source = operation.GetSource(0);
-
- return new OperationResult(AggregateType.FP64, context.ConvertSToF(context.TypeFP64(), context.GetS32(source)));
- }
-
- private static OperationResult GenerateConvertU32ToFP32(CodeGenContext context, AstOperation operation)
- {
- var source = operation.GetSource(0);
-
- return new OperationResult(AggregateType.FP32, context.ConvertUToF(context.TypeFP32(), context.GetU32(source)));
- }
-
- private static OperationResult GenerateConvertU32ToFP64(CodeGenContext context, AstOperation operation)
- {
- var source = operation.GetSource(0);
-
- return new OperationResult(AggregateType.FP64, context.ConvertUToF(context.TypeFP64(), context.GetU32(source)));
- }
-
- private static OperationResult GenerateCosine(CodeGenContext context, AstOperation operation)
- {
- return GenerateUnary(context, operation, context.Delegates.GlslCos, null);
- }
-
- private static OperationResult GenerateDdx(CodeGenContext context, AstOperation operation)
- {
- return GenerateUnaryFP32(context, operation, context.Delegates.DPdx);
- }
-
- private static OperationResult GenerateDdy(CodeGenContext context, AstOperation operation)
- {
- return GenerateUnaryFP32(context, operation, context.Delegates.DPdy);
- }
-
- private static OperationResult GenerateDiscard(CodeGenContext context, AstOperation operation)
- {
- context.Kill();
- return OperationResult.Invalid;
- }
-
- private static OperationResult GenerateDivide(CodeGenContext context, AstOperation operation)
- {
- return GenerateBinary(context, operation, context.Delegates.FDiv, context.Delegates.SDiv);
- }
-
- private static OperationResult GenerateEmitVertex(CodeGenContext context, AstOperation operation)
- {
- context.EmitVertex();
-
- return OperationResult.Invalid;
- }
-
- private static OperationResult GenerateEndPrimitive(CodeGenContext context, AstOperation operation)
- {
- context.EndPrimitive();
-
- return OperationResult.Invalid;
- }
-
- private static OperationResult GenerateExponentB2(CodeGenContext context, AstOperation operation)
- {
- return GenerateUnary(context, operation, context.Delegates.GlslExp2, null);
- }
-
- private static OperationResult GenerateFSIBegin(CodeGenContext context, AstOperation operation)
- {
- if (context.Config.GpuAccessor.QueryHostSupportsFragmentShaderInterlock())
- {
- context.BeginInvocationInterlockEXT();
- }
-
- return OperationResult.Invalid;
- }
-
- private static OperationResult GenerateFSIEnd(CodeGenContext context, AstOperation operation)
- {
- if (context.Config.GpuAccessor.QueryHostSupportsFragmentShaderInterlock())
- {
- context.EndInvocationInterlockEXT();
- }
-
- return OperationResult.Invalid;
- }
-
- private static OperationResult GenerateFindLSB(CodeGenContext context, AstOperation operation)
- {
- var source = context.GetU32(operation.GetSource(0));
- return new OperationResult(AggregateType.U32, context.GlslFindILsb(context.TypeU32(), source));
- }
-
- private static OperationResult GenerateFindMSBS32(CodeGenContext context, AstOperation operation)
- {
- var source = context.GetS32(operation.GetSource(0));
- return new OperationResult(AggregateType.U32, context.GlslFindSMsb(context.TypeU32(), source));
- }
-
- private static OperationResult GenerateFindMSBU32(CodeGenContext context, AstOperation operation)
- {
- var source = context.GetU32(operation.GetSource(0));
- return new OperationResult(AggregateType.U32, context.GlslFindUMsb(context.TypeU32(), source));
- }
-
- private static OperationResult GenerateFloor(CodeGenContext context, AstOperation operation)
- {
- return GenerateUnary(context, operation, context.Delegates.GlslFloor, null);
- }
-
- private static OperationResult GenerateFusedMultiplyAdd(CodeGenContext context, AstOperation operation)
- {
- return GenerateTernary(context, operation, context.Delegates.GlslFma, null);
- }
-
- private static OperationResult GenerateGroupMemoryBarrier(CodeGenContext context, AstOperation operation)
- {
- context.MemoryBarrier(context.Constant(context.TypeU32(), Scope.Workgroup), context.Constant(context.TypeU32(), DefaultMemorySemantics));
- return OperationResult.Invalid;
- }
-
- private static OperationResult GenerateImageAtomic(CodeGenContext context, AstOperation operation)
- {
- AstTextureOperation texOp = (AstTextureOperation)operation;
-
- bool isBindless = (texOp.Flags & TextureFlags.Bindless) != 0;
-
- var componentType = texOp.Format.GetComponentType();
-
- // TODO: Bindless texture support. For now we just return 0/do nothing.
- if (isBindless)
- {
- return new OperationResult(componentType, componentType switch
- {
- AggregateType.S32 => context.Constant(context.TypeS32(), 0),
- AggregateType.U32 => context.Constant(context.TypeU32(), 0u),
- _ => context.Constant(context.TypeFP32(), 0f),
- });
- }
-
- bool isArray = (texOp.Type & SamplerType.Array) != 0;
- bool isIndexed = (texOp.Type & SamplerType.Indexed) != 0;
-
- int srcIndex = isBindless ? 1 : 0;
-
- SpvInstruction Src(AggregateType type)
- {
- return context.Get(type, texOp.GetSource(srcIndex++));
- }
-
- SpvInstruction index = null;
-
- if (isIndexed)
- {
- index = Src(AggregateType.S32);
- }
-
- int coordsCount = texOp.Type.GetDimensions();
-
- int pCount = coordsCount + (isArray ? 1 : 0);
-
- SpvInstruction pCoords;
-
- if (pCount > 1)
- {
- SpvInstruction[] elems = new SpvInstruction[pCount];
-
- for (int i = 0; i < pCount; i++)
- {
- elems[i] = Src(AggregateType.S32);
- }
-
- var vectorType = context.TypeVector(context.TypeS32(), pCount);
- pCoords = context.CompositeConstruct(vectorType, elems);
- }
- else
- {
- pCoords = Src(AggregateType.S32);
- }
-
- SpvInstruction value = Src(componentType);
-
- (var imageType, var imageVariable) = context.Images[new TextureMeta(texOp.CbufSlot, texOp.Handle, texOp.Format)];
-
- var image = context.Load(imageType, imageVariable);
-
- SpvInstruction resultType = context.GetType(componentType);
- SpvInstruction imagePointerType = context.TypePointer(StorageClass.Image, resultType);
-
- var pointer = context.ImageTexelPointer(imagePointerType, imageVariable, pCoords, context.Constant(context.TypeU32(), 0));
- var one = context.Constant(context.TypeU32(), 1);
- var zero = context.Constant(context.TypeU32(), 0);
-
- var result = (texOp.Flags & TextureFlags.AtomicMask) switch
- {
- TextureFlags.Add => context.AtomicIAdd(resultType, pointer, one, zero, value),
- TextureFlags.Minimum => componentType == AggregateType.S32
- ? context.AtomicSMin(resultType, pointer, one, zero, value)
- : context.AtomicUMin(resultType, pointer, one, zero, value),
- TextureFlags.Maximum => componentType == AggregateType.S32
- ? context.AtomicSMax(resultType, pointer, one, zero, value)
- : context.AtomicUMax(resultType, pointer, one, zero, value),
- TextureFlags.Increment => context.AtomicIIncrement(resultType, pointer, one, zero),
- TextureFlags.Decrement => context.AtomicIDecrement(resultType, pointer, one, zero),
- TextureFlags.BitwiseAnd => context.AtomicAnd(resultType, pointer, one, zero, value),
- TextureFlags.BitwiseOr => context.AtomicOr(resultType, pointer, one, zero, value),
- TextureFlags.BitwiseXor => context.AtomicXor(resultType, pointer, one, zero, value),
- TextureFlags.Swap => context.AtomicExchange(resultType, pointer, one, zero, value),
- TextureFlags.CAS => context.AtomicCompareExchange(resultType, pointer, one, zero, zero, Src(componentType), value),
- _ => context.AtomicIAdd(resultType, pointer, one, zero, value),
- };
-
- return new OperationResult(componentType, result);
- }
-
- private static OperationResult GenerateImageLoad(CodeGenContext context, AstOperation operation)
- {
- AstTextureOperation texOp = (AstTextureOperation)operation;
-
- bool isBindless = (texOp.Flags & TextureFlags.Bindless) != 0;
-
- var componentType = texOp.Format.GetComponentType();
-
- // TODO: Bindless texture support. For now we just return 0/do nothing.
- if (isBindless)
- {
- return GetZeroOperationResult(context, texOp, componentType, isVector: true);
- }
-
- bool isArray = (texOp.Type & SamplerType.Array) != 0;
- bool isIndexed = (texOp.Type & SamplerType.Indexed) != 0;
-
- int srcIndex = isBindless ? 1 : 0;
-
- SpvInstruction Src(AggregateType type)
- {
- return context.Get(type, texOp.GetSource(srcIndex++));
- }
-
- SpvInstruction index = null;
-
- if (isIndexed)
- {
- index = Src(AggregateType.S32);
- }
-
- int coordsCount = texOp.Type.GetDimensions();
-
- int pCount = coordsCount + (isArray ? 1 : 0);
-
- SpvInstruction pCoords;
-
- if (pCount > 1)
- {
- SpvInstruction[] elems = new SpvInstruction[pCount];
-
- for (int i = 0; i < pCount; i++)
- {
- elems[i] = Src(AggregateType.S32);
- }
-
- var vectorType = context.TypeVector(context.TypeS32(), pCount);
- pCoords = context.CompositeConstruct(vectorType, elems);
- }
- else
- {
- 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);
- var imageComponentType = context.GetType(componentType);
- var swizzledResultType = texOp.GetVectorType(componentType);
-
- var texel = context.ImageRead(context.TypeVector(imageComponentType, 4), image, pCoords, ImageOperandsMask.MaskNone);
- var result = GetSwizzledResult(context, texel, swizzledResultType, texOp.Index);
-
- return new OperationResult(componentType, result);
- }
-
- private static OperationResult GenerateImageStore(CodeGenContext context, AstOperation operation)
- {
- AstTextureOperation texOp = (AstTextureOperation)operation;
-
- bool isBindless = (texOp.Flags & TextureFlags.Bindless) != 0;
-
- // TODO: Bindless texture support. For now we just return 0/do nothing.
- if (isBindless)
- {
- return OperationResult.Invalid;
- }
-
- bool isArray = (texOp.Type & SamplerType.Array) != 0;
- bool isIndexed = (texOp.Type & SamplerType.Indexed) != 0;
-
- int srcIndex = isBindless ? 1 : 0;
-
- SpvInstruction Src(AggregateType type)
- {
- return context.Get(type, texOp.GetSource(srcIndex++));
- }
-
- SpvInstruction index = null;
-
- if (isIndexed)
- {
- index = Src(AggregateType.S32);
- }
-
- int coordsCount = texOp.Type.GetDimensions();
-
- int pCount = coordsCount + (isArray ? 1 : 0);
-
- SpvInstruction pCoords;
-
- if (pCount > 1)
- {
- SpvInstruction[] elems = new SpvInstruction[pCount];
-
- for (int i = 0; i < pCount; i++)
- {
- elems[i] = Src(AggregateType.S32);
- }
-
- var vectorType = context.TypeVector(context.TypeS32(), pCount);
- pCoords = context.CompositeConstruct(vectorType, elems);
- }
- else
- {
- pCoords = Src(AggregateType.S32);
- }
-
- var componentType = texOp.Format.GetComponentType();
-
- const int ComponentsCount = 4;
-
- SpvInstruction[] cElems = new SpvInstruction[ComponentsCount];
-
- for (int i = 0; i < ComponentsCount; i++)
- {
- if (srcIndex < texOp.SourcesCount)
- {
- cElems[i] = Src(componentType);
- }
- else
- {
- cElems[i] = componentType switch
- {
- AggregateType.S32 => context.Constant(context.TypeS32(), 0),
- AggregateType.U32 => context.Constant(context.TypeU32(), 0u),
- _ => context.Constant(context.TypeFP32(), 0f),
- };
- }
- }
-
- var texel = context.CompositeConstruct(context.TypeVector(context.GetType(componentType), ComponentsCount), cElems);
-
- (var imageType, var imageVariable) = context.Images[new TextureMeta(texOp.CbufSlot, texOp.Handle, texOp.Format)];
-
- var image = context.Load(imageType, imageVariable);
-
- context.ImageWrite(image, pCoords, texel, ImageOperandsMask.MaskNone);
-
- return OperationResult.Invalid;
- }
-
- private static OperationResult GenerateIsNan(CodeGenContext context, AstOperation operation)
- {
- var source = operation.GetSource(0);
-
- SpvInstruction result;
-
- if (operation.Inst.HasFlag(Instruction.FP64))
- {
- result = context.IsNan(context.TypeBool(), context.GetFP64(source));
- }
- else
- {
- result = context.IsNan(context.TypeBool(), context.GetFP32(source));
- }
-
- return new OperationResult(AggregateType.Bool, result);
- }
-
- private static OperationResult GenerateLoad(CodeGenContext context, AstOperation operation)
- {
- return GenerateLoadOrStore(context, operation, isStore: false);
- }
-
- private static OperationResult GenerateLoadConstant(CodeGenContext context, AstOperation operation)
- {
- var src1 = operation.GetSource(0);
- var src2 = context.Get(AggregateType.S32, operation.GetSource(1));
-
- var i1 = context.Constant(context.TypeS32(), 0);
- var i2 = context.ShiftRightArithmetic(context.TypeS32(), src2, context.Constant(context.TypeS32(), 2));
- var i3 = context.BitwiseAnd(context.TypeS32(), src2, context.Constant(context.TypeS32(), 3));
-
- SpvInstruction value = null;
-
- if (context.Config.GpuAccessor.QueryHostHasVectorIndexingBug())
- {
- // Test for each component individually.
- for (int i = 0; i < 4; i++)
- {
- var component = context.Constant(context.TypeS32(), i);
-
- SpvInstruction elemPointer;
- if (context.UniformBuffersArray != null)
- {
- var ubVariable = context.UniformBuffersArray;
- var i0 = context.Get(AggregateType.S32, src1);
-
- elemPointer = context.AccessChain(context.TypePointer(StorageClass.Uniform, context.TypeFP32()), ubVariable, i0, i1, i2, component);
- }
- else
- {
- var ubVariable = context.UniformBuffers[((AstOperand)src1).Value];
-
- elemPointer = context.AccessChain(context.TypePointer(StorageClass.Uniform, context.TypeFP32()), ubVariable, i1, i2, component);
- }
-
- SpvInstruction newValue = context.Load(context.TypeFP32(), elemPointer);
-
- value = value != null ? context.Select(context.TypeFP32(), context.IEqual(context.TypeBool(), i3, component), newValue, value) : newValue;
- }
- }
- else
- {
- SpvInstruction elemPointer;
-
- if (context.UniformBuffersArray != null)
- {
- var ubVariable = context.UniformBuffersArray;
- var i0 = context.Get(AggregateType.S32, src1);
-
- elemPointer = context.AccessChain(context.TypePointer(StorageClass.Uniform, context.TypeFP32()), ubVariable, i0, i1, i2, i3);
- }
- else
- {
- var ubVariable = context.UniformBuffers[((AstOperand)src1).Value];
-
- elemPointer = context.AccessChain(context.TypePointer(StorageClass.Uniform, context.TypeFP32()), ubVariable, i1, i2, i3);
- }
-
- value = context.Load(context.TypeFP32(), elemPointer);
- }
-
- return new OperationResult(AggregateType.FP32, value);
- }
-
- private static OperationResult GenerateLoadLocal(CodeGenContext context, AstOperation operation)
- {
- return GenerateLoadLocalOrShared(context, operation, StorageClass.Private, context.LocalMemory);
- }
-
- private static OperationResult GenerateLoadShared(CodeGenContext context, AstOperation operation)
- {
- return GenerateLoadLocalOrShared(context, operation, StorageClass.Workgroup, context.SharedMemory);
- }
-
- private static OperationResult GenerateLoadLocalOrShared(
- CodeGenContext context,
- AstOperation operation,
- StorageClass storageClass,
- SpvInstruction memory)
- {
- var offset = context.Get(AggregateType.S32, operation.GetSource(0));
-
- var elemPointer = context.AccessChain(context.TypePointer(storageClass, context.TypeU32()), memory, offset);
- var value = context.Load(context.TypeU32(), elemPointer);
-
- return new OperationResult(AggregateType.U32, value);
- }
-
- private static OperationResult GenerateLoadStorage(CodeGenContext context, AstOperation operation)
- {
- var elemPointer = GetStorageElemPointer(context, operation);
- var value = context.Load(context.TypeU32(), elemPointer);
-
- return new OperationResult(AggregateType.U32, value);
- }
-
- private static OperationResult GenerateLod(CodeGenContext context, AstOperation operation)
- {
- AstTextureOperation texOp = (AstTextureOperation)operation;
-
- bool isBindless = (texOp.Flags & TextureFlags.Bindless) != 0;
-
- bool isIndexed = (texOp.Type & SamplerType.Indexed) != 0;
-
- // TODO: Bindless texture support. For now we just return 0.
- if (isBindless)
- {
- return new OperationResult(AggregateType.S32, context.Constant(context.TypeS32(), 0));
- }
-
- int srcIndex = 0;
-
- SpvInstruction Src(AggregateType type)
- {
- return context.Get(type, texOp.GetSource(srcIndex++));
- }
-
- SpvInstruction index = null;
-
- if (isIndexed)
- {
- index = Src(AggregateType.S32);
- }
-
- int pCount = texOp.Type.GetDimensions();
-
- SpvInstruction pCoords;
-
- if (pCount > 1)
- {
- SpvInstruction[] elems = new SpvInstruction[pCount];
-
- for (int i = 0; i < pCount; i++)
- {
- elems[i] = Src(AggregateType.FP32);
- }
-
- var vectorType = context.TypeVector(context.TypeFP32(), pCount);
- pCoords = context.CompositeConstruct(vectorType, elems);
- }
- else
- {
- pCoords = Src(AggregateType.FP32);
- }
-
- var meta = new TextureMeta(texOp.CbufSlot, texOp.Handle, texOp.Format);
-
- (_, var sampledImageType, var sampledImageVariable) = context.Samplers[meta];
-
- var image = context.Load(sampledImageType, sampledImageVariable);
-
- var resultType = context.TypeVector(context.TypeFP32(), 2);
- var packed = context.ImageQueryLod(resultType, image, pCoords);
- var result = context.CompositeExtract(context.TypeFP32(), packed, (SpvLiteralInteger)texOp.Index);
-
- return new OperationResult(AggregateType.FP32, result);
- }
-
- private static OperationResult GenerateLogarithmB2(CodeGenContext context, AstOperation operation)
- {
- return GenerateUnary(context, operation, context.Delegates.GlslLog2, null);
- }
-
- private static OperationResult GenerateLogicalAnd(CodeGenContext context, AstOperation operation)
- {
- return GenerateBinaryBool(context, operation, context.Delegates.LogicalAnd);
- }
-
- private static OperationResult GenerateLogicalExclusiveOr(CodeGenContext context, AstOperation operation)
- {
- return GenerateBinaryBool(context, operation, context.Delegates.LogicalNotEqual);
- }
-
- private static OperationResult GenerateLogicalNot(CodeGenContext context, AstOperation operation)
- {
- return GenerateUnaryBool(context, operation, context.Delegates.LogicalNot);
- }
-
- private static OperationResult GenerateLogicalOr(CodeGenContext context, AstOperation operation)
- {
- return GenerateBinaryBool(context, operation, context.Delegates.LogicalOr);
- }
-
- private static OperationResult GenerateLoopBreak(CodeGenContext context, AstOperation operation)
- {
- AstBlock loopBlock = context.CurrentBlock;
- while (loopBlock.Type != AstBlockType.DoWhile)
- {
- loopBlock = loopBlock.Parent;
- }
-
- context.Branch(context.GetNextLabel(loopBlock.Parent));
-
- return OperationResult.Invalid;
- }
-
- private static OperationResult GenerateLoopContinue(CodeGenContext context, AstOperation operation)
- {
- AstBlock loopBlock = context.CurrentBlock;
- while (loopBlock.Type != AstBlockType.DoWhile)
- {
- loopBlock = loopBlock.Parent;
- }
-
- (var loopTarget, var continueTarget) = context.LoopTargets[loopBlock];
-
- context.Branch(continueTarget);
-
- return OperationResult.Invalid;
- }
-
- private static OperationResult GenerateMaximum(CodeGenContext context, AstOperation operation)
- {
- return GenerateBinary(context, operation, context.Delegates.GlslFMax, context.Delegates.GlslSMax);
- }
-
- private static OperationResult GenerateMaximumU32(CodeGenContext context, AstOperation operation)
- {
- return GenerateBinaryU32(context, operation, context.Delegates.GlslUMax);
- }
-
- private static OperationResult GenerateMemoryBarrier(CodeGenContext context, AstOperation operation)
- {
- context.MemoryBarrier(context.Constant(context.TypeU32(), Scope.Device), context.Constant(context.TypeU32(), DefaultMemorySemantics));
- return OperationResult.Invalid;
- }
-
- private static OperationResult GenerateMinimum(CodeGenContext context, AstOperation operation)
- {
- return GenerateBinary(context, operation, context.Delegates.GlslFMin, context.Delegates.GlslSMin);
- }
-
- private static OperationResult GenerateMinimumU32(CodeGenContext context, AstOperation operation)
- {
- return GenerateBinaryU32(context, operation, context.Delegates.GlslUMin);
- }
-
- private static OperationResult GenerateMultiply(CodeGenContext context, AstOperation operation)
- {
- return GenerateBinary(context, operation, context.Delegates.FMul, context.Delegates.IMul);
- }
-
- private static OperationResult GenerateMultiplyHighS32(CodeGenContext context, AstOperation operation)
- {
- var src1 = operation.GetSource(0);
- var src2 = operation.GetSource(1);
-
- var resultType = context.TypeStruct(false, context.TypeS32(), context.TypeS32());
- var result = context.SMulExtended(resultType, context.GetS32(src1), context.GetS32(src2));
- result = context.CompositeExtract(context.TypeS32(), result, 1);
-
- return new OperationResult(AggregateType.S32, result);
- }
-
- private static OperationResult GenerateMultiplyHighU32(CodeGenContext context, AstOperation operation)
- {
- var src1 = operation.GetSource(0);
- var src2 = operation.GetSource(1);
-
- var resultType = context.TypeStruct(false, context.TypeU32(), context.TypeU32());
- var result = context.UMulExtended(resultType, context.GetU32(src1), context.GetU32(src2));
- result = context.CompositeExtract(context.TypeU32(), result, 1);
-
- return new OperationResult(AggregateType.U32, result);
- }
-
- private static OperationResult GenerateNegate(CodeGenContext context, AstOperation operation)
- {
- return GenerateUnary(context, operation, context.Delegates.FNegate, context.Delegates.SNegate);
- }
-
- private static OperationResult GeneratePackDouble2x32(CodeGenContext context, AstOperation operation)
- {
- var value0 = context.GetU32(operation.GetSource(0));
- var value1 = context.GetU32(operation.GetSource(1));
- var vector = context.CompositeConstruct(context.TypeVector(context.TypeU32(), 2), value0, value1);
- var result = context.GlslPackDouble2x32(context.TypeFP64(), vector);
-
- return new OperationResult(AggregateType.FP64, result);
- }
-
- private static OperationResult GeneratePackHalf2x16(CodeGenContext context, AstOperation operation)
- {
- var value0 = context.GetFP32(operation.GetSource(0));
- var value1 = context.GetFP32(operation.GetSource(1));
- var vector = context.CompositeConstruct(context.TypeVector(context.TypeFP32(), 2), value0, value1);
- var result = context.GlslPackHalf2x16(context.TypeU32(), vector);
-
- return new OperationResult(AggregateType.U32, result);
- }
-
- private static OperationResult GenerateReciprocalSquareRoot(CodeGenContext context, AstOperation operation)
- {
- return GenerateUnary(context, operation, context.Delegates.GlslInverseSqrt, null);
- }
-
- private static OperationResult GenerateReturn(CodeGenContext context, AstOperation operation)
- {
- context.Return();
- return OperationResult.Invalid;
- }
-
- private static OperationResult GenerateRound(CodeGenContext context, AstOperation operation)
- {
- return GenerateUnary(context, operation, context.Delegates.GlslRoundEven, null);
- }
-
- private static OperationResult GenerateShiftLeft(CodeGenContext context, AstOperation operation)
- {
- return GenerateBinaryS32(context, operation, context.Delegates.ShiftLeftLogical);
- }
-
- private static OperationResult GenerateShiftRightS32(CodeGenContext context, AstOperation operation)
- {
- return GenerateBinaryS32(context, operation, context.Delegates.ShiftRightArithmetic);
- }
-
- private static OperationResult GenerateShiftRightU32(CodeGenContext context, AstOperation operation)
- {
- return GenerateBinaryS32(context, operation, context.Delegates.ShiftRightLogical);
- }
-
- private static OperationResult GenerateShuffle(CodeGenContext context, AstOperation operation)
- {
- var x = context.GetFP32(operation.GetSource(0));
- var index = context.GetU32(operation.GetSource(1));
- var mask = context.GetU32(operation.GetSource(2));
-
- var const31 = context.Constant(context.TypeU32(), 31);
- var const8 = context.Constant(context.TypeU32(), 8);
-
- var clamp = context.BitwiseAnd(context.TypeU32(), mask, const31);
- var segMask = context.BitwiseAnd(context.TypeU32(), context.ShiftRightLogical(context.TypeU32(), mask, const8), const31);
- var notSegMask = context.Not(context.TypeU32(), segMask);
- var clampNotSegMask = context.BitwiseAnd(context.TypeU32(), clamp, notSegMask);
- var indexNotSegMask = context.BitwiseAnd(context.TypeU32(), index, notSegMask);
-
- var threadId = GetScalarInput(context, IoVariable.SubgroupLaneId);
-
- var minThreadId = context.BitwiseAnd(context.TypeU32(), threadId, segMask);
- var maxThreadId = context.BitwiseOr(context.TypeU32(), minThreadId, clampNotSegMask);
- var srcThreadId = context.BitwiseOr(context.TypeU32(), indexNotSegMask, minThreadId);
- var valid = context.ULessThanEqual(context.TypeBool(), srcThreadId, maxThreadId);
- var value = context.GroupNonUniformShuffle(context.TypeFP32(), context.Constant(context.TypeU32(), (int)Scope.Subgroup), x, srcThreadId);
- var result = context.Select(context.TypeFP32(), valid, value, x);
-
- var validLocal = (AstOperand)operation.GetSource(3);
-
- context.Store(context.GetLocalPointer(validLocal), context.BitcastIfNeeded(validLocal.VarType, AggregateType.Bool, valid));
-
- return new OperationResult(AggregateType.FP32, result);
- }
-
- private static OperationResult GenerateShuffleDown(CodeGenContext context, AstOperation operation)
- {
- var x = context.GetFP32(operation.GetSource(0));
- var index = context.GetU32(operation.GetSource(1));
- var mask = context.GetU32(operation.GetSource(2));
-
- var const31 = context.Constant(context.TypeU32(), 31);
- var const8 = context.Constant(context.TypeU32(), 8);
-
- var clamp = context.BitwiseAnd(context.TypeU32(), mask, const31);
- var segMask = context.BitwiseAnd(context.TypeU32(), context.ShiftRightLogical(context.TypeU32(), mask, const8), const31);
- var notSegMask = context.Not(context.TypeU32(), segMask);
- var clampNotSegMask = context.BitwiseAnd(context.TypeU32(), clamp, notSegMask);
-
- var threadId = GetScalarInput(context, IoVariable.SubgroupLaneId);
-
- var minThreadId = context.BitwiseAnd(context.TypeU32(), threadId, segMask);
- var maxThreadId = context.BitwiseOr(context.TypeU32(), minThreadId, clampNotSegMask);
- var srcThreadId = context.IAdd(context.TypeU32(), threadId, index);
- var valid = context.ULessThanEqual(context.TypeBool(), srcThreadId, maxThreadId);
- var value = context.GroupNonUniformShuffle(context.TypeFP32(), context.Constant(context.TypeU32(), (int)Scope.Subgroup), x, srcThreadId);
- var result = context.Select(context.TypeFP32(), valid, value, x);
-
- var validLocal = (AstOperand)operation.GetSource(3);
-
- context.Store(context.GetLocalPointer(validLocal), context.BitcastIfNeeded(validLocal.VarType, AggregateType.Bool, valid));
-
- return new OperationResult(AggregateType.FP32, result);
- }
-
- private static OperationResult GenerateShuffleUp(CodeGenContext context, AstOperation operation)
- {
- var x = context.GetFP32(operation.GetSource(0));
- var index = context.GetU32(operation.GetSource(1));
- var mask = context.GetU32(operation.GetSource(2));
-
- var const31 = context.Constant(context.TypeU32(), 31);
- var const8 = context.Constant(context.TypeU32(), 8);
-
- var segMask = context.BitwiseAnd(context.TypeU32(), context.ShiftRightLogical(context.TypeU32(), mask, const8), const31);
-
- var threadId = GetScalarInput(context, IoVariable.SubgroupLaneId);
-
- var minThreadId = context.BitwiseAnd(context.TypeU32(), threadId, segMask);
- var srcThreadId = context.ISub(context.TypeU32(), threadId, index);
- var valid = context.SGreaterThanEqual(context.TypeBool(), srcThreadId, minThreadId);
- var value = context.GroupNonUniformShuffle(context.TypeFP32(), context.Constant(context.TypeU32(), (int)Scope.Subgroup), x, srcThreadId);
- var result = context.Select(context.TypeFP32(), valid, value, x);
-
- var validLocal = (AstOperand)operation.GetSource(3);
-
- context.Store(context.GetLocalPointer(validLocal), context.BitcastIfNeeded(validLocal.VarType, AggregateType.Bool, valid));
-
- return new OperationResult(AggregateType.FP32, result);
- }
-
- private static OperationResult GenerateShuffleXor(CodeGenContext context, AstOperation operation)
- {
- var x = context.GetFP32(operation.GetSource(0));
- var index = context.GetU32(operation.GetSource(1));
- var mask = context.GetU32(operation.GetSource(2));
-
- var const31 = context.Constant(context.TypeU32(), 31);
- var const8 = context.Constant(context.TypeU32(), 8);
-
- var clamp = context.BitwiseAnd(context.TypeU32(), mask, const31);
- var segMask = context.BitwiseAnd(context.TypeU32(), context.ShiftRightLogical(context.TypeU32(), mask, const8), const31);
- var notSegMask = context.Not(context.TypeU32(), segMask);
- var clampNotSegMask = context.BitwiseAnd(context.TypeU32(), clamp, notSegMask);
-
- var threadId = GetScalarInput(context, IoVariable.SubgroupLaneId);
-
- var minThreadId = context.BitwiseAnd(context.TypeU32(), threadId, segMask);
- var maxThreadId = context.BitwiseOr(context.TypeU32(), minThreadId, clampNotSegMask);
- var srcThreadId = context.BitwiseXor(context.TypeU32(), threadId, index);
- var valid = context.ULessThanEqual(context.TypeBool(), srcThreadId, maxThreadId);
- var value = context.GroupNonUniformShuffle(context.TypeFP32(), context.Constant(context.TypeU32(), (int)Scope.Subgroup), x, srcThreadId);
- var result = context.Select(context.TypeFP32(), valid, value, x);
-
- var validLocal = (AstOperand)operation.GetSource(3);
-
- context.Store(context.GetLocalPointer(validLocal), context.BitcastIfNeeded(validLocal.VarType, AggregateType.Bool, valid));
-
- return new OperationResult(AggregateType.FP32, result);
- }
-
- private static OperationResult GenerateSine(CodeGenContext context, AstOperation operation)
- {
- return GenerateUnary(context, operation, context.Delegates.GlslSin, null);
- }
-
- private static OperationResult GenerateSquareRoot(CodeGenContext context, AstOperation operation)
- {
- return GenerateUnary(context, operation, context.Delegates.GlslSqrt, null);
- }
-
- private static OperationResult GenerateStore(CodeGenContext context, AstOperation operation)
- {
- return GenerateLoadOrStore(context, operation, isStore: true);
- }
-
- private static OperationResult GenerateStoreLocal(CodeGenContext context, AstOperation operation)
- {
- return GenerateStoreLocalOrShared(context, operation, StorageClass.Private, context.LocalMemory);
- }
-
- private static OperationResult GenerateStoreShared(CodeGenContext context, AstOperation operation)
- {
- return GenerateStoreLocalOrShared(context, operation, StorageClass.Workgroup, context.SharedMemory);
- }
-
- private static OperationResult GenerateStoreLocalOrShared(
- CodeGenContext context,
- AstOperation operation,
- StorageClass storageClass,
- SpvInstruction memory)
- {
- var offset = context.Get(AggregateType.S32, operation.GetSource(0));
- var value = context.Get(AggregateType.U32, operation.GetSource(1));
-
- var elemPointer = context.AccessChain(context.TypePointer(storageClass, context.TypeU32()), memory, offset);
- context.Store(elemPointer, value);
-
- return OperationResult.Invalid;
- }
-
- private static OperationResult GenerateStoreShared16(CodeGenContext context, AstOperation operation)
- {
- GenerateStoreSharedSmallInt(context, operation, 16);
-
- return OperationResult.Invalid;
- }
-
- private static OperationResult GenerateStoreShared8(CodeGenContext context, AstOperation operation)
- {
- GenerateStoreSharedSmallInt(context, operation, 8);
-
- return OperationResult.Invalid;
- }
-
- private static OperationResult GenerateStoreStorage(CodeGenContext context, AstOperation operation)
- {
- var elemPointer = GetStorageElemPointer(context, operation);
- context.Store(elemPointer, context.Get(AggregateType.U32, operation.GetSource(2)));
-
- return OperationResult.Invalid;
- }
-
- private static OperationResult GenerateStoreStorage16(CodeGenContext context, AstOperation operation)
- {
- GenerateStoreStorageSmallInt(context, operation, 16);
-
- return OperationResult.Invalid;
- }
-
- private static OperationResult GenerateStoreStorage8(CodeGenContext context, AstOperation operation)
- {
- GenerateStoreStorageSmallInt(context, operation, 8);
-
- return OperationResult.Invalid;
- }
-
- private static OperationResult GenerateSubtract(CodeGenContext context, AstOperation operation)
- {
- return GenerateBinary(context, operation, context.Delegates.FSub, context.Delegates.ISub);
- }
-
- private static OperationResult GenerateSwizzleAdd(CodeGenContext context, AstOperation operation)
- {
- var x = context.Get(AggregateType.FP32, operation.GetSource(0));
- var y = context.Get(AggregateType.FP32, operation.GetSource(1));
- var mask = context.Get(AggregateType.U32, operation.GetSource(2));
-
- var v4float = context.TypeVector(context.TypeFP32(), 4);
- var one = context.Constant(context.TypeFP32(), 1.0f);
- var minusOne = context.Constant(context.TypeFP32(), -1.0f);
- var zero = context.Constant(context.TypeFP32(), 0.0f);
- var xLut = context.ConstantComposite(v4float, one, minusOne, one, zero);
- var yLut = context.ConstantComposite(v4float, one, one, minusOne, one);
-
- var three = context.Constant(context.TypeU32(), 3);
-
- var threadId = GetScalarInput(context, IoVariable.SubgroupLaneId);
- var shift = context.BitwiseAnd(context.TypeU32(), threadId, three);
- shift = context.ShiftLeftLogical(context.TypeU32(), shift, context.Constant(context.TypeU32(), 1));
- var lutIdx = context.ShiftRightLogical(context.TypeU32(), mask, shift);
- lutIdx = context.BitwiseAnd(context.TypeU32(), lutIdx, three);
-
- var xLutValue = context.VectorExtractDynamic(context.TypeFP32(), xLut, lutIdx);
- var yLutValue = context.VectorExtractDynamic(context.TypeFP32(), yLut, lutIdx);
-
- var xResult = context.FMul(context.TypeFP32(), x, xLutValue);
- var yResult = context.FMul(context.TypeFP32(), y, yLutValue);
- var result = context.FAdd(context.TypeFP32(), xResult, yResult);
-
- return new OperationResult(AggregateType.FP32, result);
- }
-
- private static OperationResult GenerateTextureSample(CodeGenContext context, AstOperation operation)
- {
- AstTextureOperation texOp = (AstTextureOperation)operation;
-
- 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;
- bool hasLodBias = (texOp.Flags & TextureFlags.LodBias) != 0;
- bool hasLodLevel = (texOp.Flags & TextureFlags.LodLevel) != 0;
- bool hasOffset = (texOp.Flags & TextureFlags.Offset) != 0;
- bool hasOffsets = (texOp.Flags & TextureFlags.Offsets) != 0;
-
- bool isArray = (texOp.Type & SamplerType.Array) != 0;
- bool isIndexed = (texOp.Type & SamplerType.Indexed) != 0;
- bool isMultisample = (texOp.Type & SamplerType.Multisample) != 0;
- bool isShadow = (texOp.Type & SamplerType.Shadow) != 0;
-
- bool colorIsVector = isGather || !isShadow;
-
- // TODO: Bindless texture support. For now we just return 0.
- if (isBindless)
- {
- return GetZeroOperationResult(context, texOp, AggregateType.FP32, colorIsVector);
- }
-
- // This combination is valid, but not available on GLSL.
- // For now, ignore the LOD level and do a normal sample.
- // TODO: How to implement it properly?
- if (hasLodLevel && isArray && isShadow)
- {
- hasLodLevel = false;
- }
-
- int srcIndex = isBindless ? 1 : 0;
-
- SpvInstruction Src(AggregateType type)
- {
- return context.Get(type, texOp.GetSource(srcIndex++));
- }
-
- SpvInstruction index = null;
-
- if (isIndexed)
- {
- index = Src(AggregateType.S32);
- }
-
- int coordsCount = texOp.Type.GetDimensions();
-
- int pCount = coordsCount;
-
- int arrayIndexElem = -1;
-
- if (isArray)
- {
- arrayIndexElem = pCount++;
- }
-
- AggregateType coordType = intCoords ? AggregateType.S32 : AggregateType.FP32;
-
- SpvInstruction AssemblePVector(int count)
- {
- if (count > 1)
- {
- SpvInstruction[] elems = new SpvInstruction[count];
-
- for (int index = 0; index < count; index++)
- {
- if (arrayIndexElem == index)
- {
- elems[index] = Src(AggregateType.S32);
-
- if (!intCoords)
- {
- elems[index] = context.ConvertSToF(context.TypeFP32(), elems[index]);
- }
- }
- else
- {
- elems[index] = Src(coordType);
- }
- }
-
- var vectorType = context.TypeVector(intCoords ? context.TypeS32() : context.TypeFP32(), count);
- return context.CompositeConstruct(vectorType, elems);
- }
- else
- {
- return Src(coordType);
- }
- }
-
- 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)
- {
- if (count > 1)
- {
- SpvInstruction[] elems = new SpvInstruction[count];
-
- for (int index = 0; index < count; index++)
- {
- elems[index] = Src(AggregateType.FP32);
- }
-
- var vectorType = context.TypeVector(context.TypeFP32(), count);
- return context.CompositeConstruct(vectorType, elems);
- }
- else
- {
- return Src(AggregateType.FP32);
- }
- }
-
- SpvInstruction dRef = null;
-
- if (isShadow)
- {
- dRef = Src(AggregateType.FP32);
- }
-
- SpvInstruction[] derivatives = null;
-
- if (hasDerivatives)
- {
- derivatives = new[]
- {
- AssembleDerivativesVector(coordsCount), // dPdx
- AssembleDerivativesVector(coordsCount) // dPdy
- };
- }
-
- SpvInstruction sample = null;
- SpvInstruction lod = null;
-
- if (isMultisample)
- {
- sample = Src(AggregateType.S32);
- }
- else if (hasLodLevel)
- {
- lod = Src(coordType);
- }
-
- SpvInstruction AssembleOffsetVector(int count)
- {
- if (count > 1)
- {
- SpvInstruction[] elems = new SpvInstruction[count];
-
- for (int index = 0; index < count; index++)
- {
- elems[index] = Src(AggregateType.S32);
- }
-
- var vectorType = context.TypeVector(context.TypeS32(), count);
-
- return context.ConstantComposite(vectorType, elems);
- }
- else
- {
- return Src(AggregateType.S32);
- }
- }
-
- SpvInstruction[] offsets = null;
-
- if (hasOffset)
- {
- offsets = new[] { AssembleOffsetVector(coordsCount) };
- }
- else if (hasOffsets)
- {
- offsets = new[]
- {
- AssembleOffsetVector(coordsCount),
- AssembleOffsetVector(coordsCount),
- AssembleOffsetVector(coordsCount),
- AssembleOffsetVector(coordsCount)
- };
- }
-
- SpvInstruction lodBias = null;
-
- if (hasLodBias)
- {
- lodBias = Src(AggregateType.FP32);
- }
-
- SpvInstruction compIdx = null;
-
- // textureGather* optional extra component index,
- // not needed for shadow samplers.
- if (isGather && !isShadow)
- {
- compIdx = Src(AggregateType.S32);
- }
-
- var operandsList = new List<SpvInstruction>();
- var operandsMask = ImageOperandsMask.MaskNone;
-
- if (hasLodBias)
- {
- operandsMask |= ImageOperandsMask.Bias;
- operandsList.Add(lodBias);
- }
-
- if (!isMultisample && hasLodLevel)
- {
- operandsMask |= ImageOperandsMask.Lod;
- operandsList.Add(lod);
- }
-
- if (hasDerivatives)
- {
- operandsMask |= ImageOperandsMask.Grad;
- operandsList.Add(derivatives[0]);
- operandsList.Add(derivatives[1]);
- }
-
- if (hasOffset)
- {
- operandsMask |= ImageOperandsMask.ConstOffset;
- operandsList.Add(offsets[0]);
- }
- else if (hasOffsets)
- {
- operandsMask |= ImageOperandsMask.ConstOffsets;
- SpvInstruction arrayv2 = context.TypeArray(context.TypeVector(context.TypeS32(), 2), context.Constant(context.TypeU32(), 4));
- operandsList.Add(context.ConstantComposite(arrayv2, offsets[0], offsets[1], offsets[2], offsets[3]));
- }
-
- if (isMultisample)
- {
- operandsMask |= ImageOperandsMask.Sample;
- operandsList.Add(sample);
- }
-
- var resultType = colorIsVector ? context.TypeVector(context.TypeFP32(), 4) : context.TypeFP32();
-
- var meta = new TextureMeta(texOp.CbufSlot, texOp.Handle, texOp.Format);
-
- (var imageType, var sampledImageType, var sampledImageVariable) = context.Samplers[meta];
-
- var image = context.Load(sampledImageType, sampledImageVariable);
-
- if (intCoords)
- {
- image = context.Image(imageType, image);
- }
-
- pCoords = ApplyBias(pCoords, image);
-
- var operands = operandsList.ToArray();
-
- SpvInstruction result;
-
- if (intCoords)
- {
- result = context.ImageFetch(resultType, image, pCoords, operandsMask, operands);
- }
- else if (isGather)
- {
- if (isShadow)
- {
- result = context.ImageDrefGather(resultType, image, pCoords, dRef, operandsMask, operands);
- }
- else
- {
- result = context.ImageGather(resultType, image, pCoords, compIdx, operandsMask, operands);
- }
- }
- else if (isShadow)
- {
- if (hasLodLevel)
- {
- result = context.ImageSampleDrefExplicitLod(resultType, image, pCoords, dRef, operandsMask, operands);
- }
- else
- {
- result = context.ImageSampleDrefImplicitLod(resultType, image, pCoords, dRef, operandsMask, operands);
- }
- }
- else if (hasDerivatives || hasLodLevel)
- {
- result = context.ImageSampleExplicitLod(resultType, image, pCoords, operandsMask, operands);
- }
- else
- {
- result = context.ImageSampleImplicitLod(resultType, image, pCoords, operandsMask, operands);
- }
-
- var swizzledResultType = AggregateType.FP32;
-
- if (colorIsVector)
- {
- swizzledResultType = texOp.GetVectorType(swizzledResultType);
-
- result = GetSwizzledResult(context, result, swizzledResultType, texOp.Index);
- }
-
- return new OperationResult(swizzledResultType, result);
- }
-
- private static OperationResult GenerateTextureSize(CodeGenContext context, AstOperation operation)
- {
- AstTextureOperation texOp = (AstTextureOperation)operation;
-
- bool isBindless = (texOp.Flags & TextureFlags.Bindless) != 0;
-
- // TODO: Bindless texture support. For now we just return 0.
- if (isBindless)
- {
- return new OperationResult(AggregateType.S32, context.Constant(context.TypeS32(), 0));
- }
-
- bool isIndexed = (texOp.Type & SamplerType.Indexed) != 0;
-
- SpvInstruction index = null;
-
- if (isIndexed)
- {
- index = context.GetS32(texOp.GetSource(0));
- }
-
- var meta = new TextureMeta(texOp.CbufSlot, texOp.Handle, texOp.Format);
-
- (var imageType, var sampledImageType, var sampledImageVariable) = context.Samplers[meta];
-
- var image = context.Load(sampledImageType, sampledImageVariable);
- image = context.Image(imageType, image);
-
- if (texOp.Index == 3)
- {
- return new OperationResult(AggregateType.S32, context.ImageQueryLevels(context.TypeS32(), image));
- }
- else
- {
- var type = context.SamplersTypes[meta];
- bool hasLod = !type.HasFlag(SamplerType.Multisample) && type != SamplerType.TextureBuffer;
-
- 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;
-
- if (hasLod)
- {
- int lodSrcIndex = isBindless || isIndexed ? 1 : 0;
- var lod = context.GetS32(operation.GetSource(lodSrcIndex));
- result = context.ImageQuerySizeLod(resultType, image, lod);
- }
- else
- {
- result = context.ImageQuerySize(resultType, image);
- }
-
- if (dimensions != 1)
- {
- 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);
- }
- }
-
- private static OperationResult GenerateTruncate(CodeGenContext context, AstOperation operation)
- {
- return GenerateUnary(context, operation, context.Delegates.GlslTrunc, null);
- }
-
- private static OperationResult GenerateUnpackDouble2x32(CodeGenContext context, AstOperation operation)
- {
- var value = context.GetFP64(operation.GetSource(0));
- var vector = context.GlslUnpackDouble2x32(context.TypeVector(context.TypeU32(), 2), value);
- var result = context.CompositeExtract(context.TypeU32(), vector, operation.Index);
-
- return new OperationResult(AggregateType.U32, result);
- }
-
- private static OperationResult GenerateUnpackHalf2x16(CodeGenContext context, AstOperation operation)
- {
- var value = context.GetU32(operation.GetSource(0));
- var vector = context.GlslUnpackHalf2x16(context.TypeVector(context.TypeFP32(), 2), value);
- var result = context.CompositeExtract(context.TypeFP32(), vector, operation.Index);
-
- return new OperationResult(AggregateType.FP32, result);
- }
-
- private static OperationResult GenerateVectorExtract(CodeGenContext context, AstOperation operation)
- {
- var vector = context.GetWithType(operation.GetSource(0), out AggregateType vectorType);
- var scalarType = vectorType & ~AggregateType.ElementCountMask;
- var resultType = context.GetType(scalarType);
- SpvInstruction result;
-
- if (operation.GetSource(1) is AstOperand indexOperand && indexOperand.Type == OperandType.Constant)
- {
- result = context.CompositeExtract(resultType, vector, (SpvLiteralInteger)indexOperand.Value);
- }
- else
- {
- var index = context.Get(AggregateType.S32, operation.GetSource(1));
- result = context.VectorExtractDynamic(resultType, vector, index);
- }
-
- return new OperationResult(scalarType, result);
- }
-
- private static OperationResult GenerateVoteAll(CodeGenContext context, AstOperation operation)
- {
- var execution = context.Constant(context.TypeU32(), Scope.Subgroup);
- var result = context.GroupNonUniformAll(context.TypeBool(), execution, context.Get(AggregateType.Bool, operation.GetSource(0)));
- return new OperationResult(AggregateType.Bool, result);
- }
-
- private static OperationResult GenerateVoteAllEqual(CodeGenContext context, AstOperation operation)
- {
- var execution = context.Constant(context.TypeU32(), Scope.Subgroup);
- var result = context.GroupNonUniformAllEqual(context.TypeBool(), execution, context.Get(AggregateType.Bool, operation.GetSource(0)));
- return new OperationResult(AggregateType.Bool, result);
- }
-
- private static OperationResult GenerateVoteAny(CodeGenContext context, AstOperation operation)
- {
- var execution = context.Constant(context.TypeU32(), Scope.Subgroup);
- var result = context.GroupNonUniformAny(context.TypeBool(), execution, context.Get(AggregateType.Bool, operation.GetSource(0)));
- return new OperationResult(AggregateType.Bool, result);
- }
-
- private static OperationResult GenerateCompare(
- CodeGenContext context,
- AstOperation operation,
- Func<SpvInstruction, SpvInstruction, SpvInstruction, SpvInstruction> emitF,
- Func<SpvInstruction, SpvInstruction, SpvInstruction, SpvInstruction> emitI)
- {
- var src1 = operation.GetSource(0);
- var src2 = operation.GetSource(1);
-
- SpvInstruction result;
-
- if (operation.Inst.HasFlag(Instruction.FP64))
- {
- result = emitF(context.TypeBool(), context.GetFP64(src1), context.GetFP64(src2));
- }
- else if (operation.Inst.HasFlag(Instruction.FP32))
- {
- result = emitF(context.TypeBool(), context.GetFP32(src1), context.GetFP32(src2));
- }
- else
- {
- result = emitI(context.TypeBool(), context.GetS32(src1), context.GetS32(src2));
- }
-
- return new OperationResult(AggregateType.Bool, result);
- }
-
- private static OperationResult GenerateCompareU32(
- CodeGenContext context,
- AstOperation operation,
- Func<SpvInstruction, SpvInstruction, SpvInstruction, SpvInstruction> emitU)
- {
- var src1 = operation.GetSource(0);
- var src2 = operation.GetSource(1);
-
- var result = emitU(context.TypeBool(), context.GetU32(src1), context.GetU32(src2));
-
- return new OperationResult(AggregateType.Bool, result);
- }
-
- private static OperationResult GenerateAtomicMemoryBinary(
- CodeGenContext context,
- AstOperation operation,
- Func<SpvInstruction, SpvInstruction, SpvInstruction, SpvInstruction, SpvInstruction, SpvInstruction> emitU)
- {
- var value = context.GetU32(operation.GetSource(2));
-
- SpvInstruction elemPointer;
-
- if (operation.StorageKind == StorageKind.StorageBuffer)
- {
- elemPointer = GetStorageElemPointer(context, operation);
- }
- else if (operation.StorageKind == StorageKind.SharedMemory)
- {
- var offset = context.GetU32(operation.GetSource(0));
- elemPointer = context.AccessChain(context.TypePointer(StorageClass.Workgroup, context.TypeU32()), context.SharedMemory, offset);
- }
- else
- {
- throw new InvalidOperationException($"Invalid storage kind \"{operation.StorageKind}\".");
- }
-
- var one = context.Constant(context.TypeU32(), 1);
- var zero = context.Constant(context.TypeU32(), 0);
-
- return new OperationResult(AggregateType.U32, emitU(context.TypeU32(), elemPointer, one, zero, value));
- }
-
- private static OperationResult GenerateAtomicMemoryCas(CodeGenContext context, AstOperation operation)
- {
- var value0 = context.GetU32(operation.GetSource(2));
- var value1 = context.GetU32(operation.GetSource(3));
-
- SpvInstruction elemPointer;
-
- if (operation.StorageKind == StorageKind.StorageBuffer)
- {
- elemPointer = GetStorageElemPointer(context, operation);
- }
- else if (operation.StorageKind == StorageKind.SharedMemory)
- {
- var offset = context.GetU32(operation.GetSource(0));
- elemPointer = context.AccessChain(context.TypePointer(StorageClass.Workgroup, context.TypeU32()), context.SharedMemory, offset);
- }
- else
- {
- throw new InvalidOperationException($"Invalid storage kind \"{operation.StorageKind}\".");
- }
-
- var one = context.Constant(context.TypeU32(), 1);
- var zero = context.Constant(context.TypeU32(), 0);
-
- return new OperationResult(AggregateType.U32, context.AtomicCompareExchange(context.TypeU32(), elemPointer, one, zero, zero, value1, value0));
- }
-
- private static OperationResult GenerateLoadOrStore(CodeGenContext context, AstOperation operation, bool isStore)
- {
- StorageKind storageKind = operation.StorageKind;
-
- SpvInstruction pointer;
- AggregateType varType;
- int srcIndex = 0;
-
- switch (storageKind)
- {
- case StorageKind.Input:
- case StorageKind.InputPerPatch:
- case StorageKind.Output:
- case StorageKind.OutputPerPatch:
- if (!(operation.GetSource(srcIndex++) is AstOperand varId) || varId.Type != OperandType.Constant)
- {
- throw new InvalidOperationException($"First input of {operation.Inst} with {storageKind} storage must be a constant operand.");
- }
-
- IoVariable ioVariable = (IoVariable)varId.Value;
- bool isOutput = storageKind.IsOutput();
- bool isPerPatch = storageKind.IsPerPatch();
- int location = 0;
- int component = 0;
-
- if (context.Config.HasPerLocationInputOrOutput(ioVariable, isOutput))
- {
- if (!(operation.GetSource(srcIndex++) is AstOperand vecIndex) || vecIndex.Type != OperandType.Constant)
- {
- throw new InvalidOperationException($"Second input of {operation.Inst} with {storageKind} storage must be a constant operand.");
- }
-
- location = vecIndex.Value;
-
- if (operation.SourcesCount > srcIndex &&
- operation.GetSource(srcIndex) is AstOperand elemIndex &&
- elemIndex.Type == OperandType.Constant &&
- context.Config.HasPerLocationInputOrOutputComponent(ioVariable, location, elemIndex.Value, isOutput))
- {
- component = elemIndex.Value;
- srcIndex++;
- }
- }
-
- if (ioVariable == IoVariable.UserDefined)
- {
- varType = context.Config.GetUserDefinedType(location, isOutput);
- }
- else if (ioVariable == IoVariable.FragmentOutputColor)
- {
- varType = context.Config.GetFragmentOutputColorType(location);
- }
- else if (ioVariable == IoVariable.FragmentOutputIsBgra)
- {
- var pointerType = context.TypePointer(StorageClass.Uniform, context.TypeU32());
- var elemIndex = context.Get(AggregateType.S32, operation.GetSource(srcIndex++));
- pointer = context.AccessChain(pointerType, context.SupportBuffer, context.Constant(context.TypeU32(), 1), elemIndex);
- varType = AggregateType.U32;
-
- break;
- }
- else if (ioVariable == IoVariable.SupportBlockRenderScale)
- {
- var pointerType = context.TypePointer(StorageClass.Uniform, context.TypeFP32());
- var elemIndex = context.Get(AggregateType.S32, operation.GetSource(srcIndex++));
- pointer = context.AccessChain(pointerType, context.SupportBuffer, context.Constant(context.TypeU32(), 4), elemIndex);
- varType = AggregateType.FP32;
-
- break;
- }
- else if (ioVariable == IoVariable.SupportBlockViewInverse)
- {
- var pointerType = context.TypePointer(StorageClass.Uniform, context.TypeFP32());
- var elemIndex = context.Get(AggregateType.S32, operation.GetSource(srcIndex++));
- pointer = context.AccessChain(pointerType, context.SupportBuffer, context.Constant(context.TypeU32(), 2), elemIndex);
- varType = AggregateType.FP32;
-
- break;
- }
- else
- {
- (_, varType) = IoMap.GetSpirvBuiltIn(ioVariable);
- }
-
- varType &= AggregateType.ElementTypeMask;
-
- int inputsCount = (isStore ? operation.SourcesCount - 1 : operation.SourcesCount) - srcIndex;
- var storageClass = isOutput ? StorageClass.Output : StorageClass.Input;
-
- var ioDefinition = new IoDefinition(storageKind, ioVariable, location, component);
- var dict = isPerPatch
- ? (isOutput ? context.OutputsPerPatch : context.InputsPerPatch)
- : (isOutput ? context.Outputs : context.Inputs);
-
- SpvInstruction baseObj = dict[ioDefinition];
- SpvInstruction e0, e1, e2;
-
- switch (inputsCount)
- {
- case 0:
- pointer = baseObj;
- break;
- case 1:
- e0 = context.Get(AggregateType.S32, operation.GetSource(srcIndex++));
- pointer = context.AccessChain(context.TypePointer(storageClass, context.GetType(varType)), baseObj, e0);
- break;
- case 2:
- e0 = context.Get(AggregateType.S32, operation.GetSource(srcIndex++));
- e1 = context.Get(AggregateType.S32, operation.GetSource(srcIndex++));
- pointer = context.AccessChain(context.TypePointer(storageClass, context.GetType(varType)), baseObj, e0, e1);
- break;
- case 3:
- e0 = context.Get(AggregateType.S32, operation.GetSource(srcIndex++));
- e1 = context.Get(AggregateType.S32, operation.GetSource(srcIndex++));
- e2 = context.Get(AggregateType.S32, operation.GetSource(srcIndex++));
- pointer = context.AccessChain(context.TypePointer(storageClass, context.GetType(varType)), baseObj, e0, e1, e2);
- break;
- default:
- var indexes = new SpvInstruction[inputsCount];
- int index = 0;
-
- for (; index < inputsCount; srcIndex++, index++)
- {
- indexes[index] = context.Get(AggregateType.S32, operation.GetSource(srcIndex));
- }
-
- pointer = context.AccessChain(context.TypePointer(storageClass, context.GetType(varType)), baseObj, indexes);
- break;
- }
- break;
-
- default:
- throw new InvalidOperationException($"Invalid storage kind {storageKind}.");
- }
-
- if (isStore)
- {
- context.Store(pointer, context.Get(varType, operation.GetSource(srcIndex)));
- return OperationResult.Invalid;
- }
- else
- {
- var result = context.Load(context.GetType(varType), pointer);
- return new OperationResult(varType, result);
- }
- }
-
- private static SpvInstruction GetScalarInput(CodeGenContext context, IoVariable ioVariable)
- {
- (_, var varType) = IoMap.GetSpirvBuiltIn(ioVariable);
- varType &= AggregateType.ElementTypeMask;
-
- var ioDefinition = new IoDefinition(StorageKind.Input, ioVariable);
-
- return context.Load(context.GetType(varType), context.Inputs[ioDefinition]);
- }
-
- private static void GenerateStoreSharedSmallInt(CodeGenContext context, AstOperation operation, int bitSize)
- {
- var offset = context.Get(AggregateType.U32, operation.GetSource(0));
- var value = context.Get(AggregateType.U32, operation.GetSource(1));
-
- var wordOffset = context.ShiftRightLogical(context.TypeU32(), offset, context.Constant(context.TypeU32(), 2));
- var bitOffset = context.BitwiseAnd(context.TypeU32(), offset, context.Constant(context.TypeU32(), 3));
- bitOffset = context.ShiftLeftLogical(context.TypeU32(), bitOffset, context.Constant(context.TypeU32(), 3));
-
- var memory = context.SharedMemory;
-
- var elemPointer = context.AccessChain(context.TypePointer(StorageClass.Workgroup, context.TypeU32()), memory, wordOffset);
-
- GenerateStoreSmallInt(context, elemPointer, bitOffset, value, bitSize);
- }
-
- private static void GenerateStoreStorageSmallInt(CodeGenContext context, AstOperation operation, int bitSize)
- {
- var i0 = context.Get(AggregateType.S32, operation.GetSource(0));
- var offset = context.Get(AggregateType.U32, operation.GetSource(1));
- var value = context.Get(AggregateType.U32, operation.GetSource(2));
-
- var wordOffset = context.ShiftRightLogical(context.TypeU32(), offset, context.Constant(context.TypeU32(), 2));
- var bitOffset = context.BitwiseAnd(context.TypeU32(), offset, context.Constant(context.TypeU32(), 3));
- bitOffset = context.ShiftLeftLogical(context.TypeU32(), bitOffset, context.Constant(context.TypeU32(), 3));
-
- var sbVariable = context.StorageBuffersArray;
-
- var i1 = context.Constant(context.TypeS32(), 0);
-
- var elemPointer = context.AccessChain(context.TypePointer(StorageClass.Uniform, context.TypeU32()), sbVariable, i0, i1, wordOffset);
-
- GenerateStoreSmallInt(context, elemPointer, bitOffset, value, bitSize);
- }
-
- private static void GenerateStoreSmallInt(
- CodeGenContext context,
- SpvInstruction elemPointer,
- SpvInstruction bitOffset,
- SpvInstruction value,
- int bitSize)
- {
- var loopStart = context.Label();
- var loopEnd = context.Label();
-
- context.Branch(loopStart);
- context.AddLabel(loopStart);
-
- var oldValue = context.Load(context.TypeU32(), elemPointer);
- var newValue = context.BitFieldInsert(context.TypeU32(), oldValue, value, bitOffset, context.Constant(context.TypeU32(), bitSize));
-
- var one = context.Constant(context.TypeU32(), 1);
- var zero = context.Constant(context.TypeU32(), 0);
-
- var result = context.AtomicCompareExchange(context.TypeU32(), elemPointer, one, zero, zero, newValue, oldValue);
- var failed = context.INotEqual(context.TypeBool(), result, oldValue);
-
- context.LoopMerge(loopEnd, loopStart, LoopControlMask.MaskNone);
- context.BranchConditional(failed, loopStart, loopEnd);
-
- context.AddLabel(loopEnd);
- }
-
- private static OperationResult GetZeroOperationResult(
- CodeGenContext context,
- AstTextureOperation texOp,
- AggregateType scalarType,
- bool isVector)
- {
- var zero = scalarType switch
- {
- AggregateType.S32 => context.Constant(context.TypeS32(), 0),
- AggregateType.U32 => context.Constant(context.TypeU32(), 0u),
- _ => context.Constant(context.TypeFP32(), 0f),
- };
-
- if (isVector)
- {
- AggregateType outputType = texOp.GetVectorType(scalarType);
-
- if ((outputType & AggregateType.ElementCountMask) != 0)
- {
- int componentsCount = BitOperations.PopCount((uint)texOp.Index);
-
- SpvInstruction[] values = new SpvInstruction[componentsCount];
-
- values.AsSpan().Fill(zero);
-
- return new OperationResult(outputType, context.ConstantComposite(context.GetType(outputType), values));
- }
- }
-
- return new OperationResult(scalarType, zero);
- }
-
- private static SpvInstruction GetSwizzledResult(CodeGenContext context, SpvInstruction vector, AggregateType swizzledResultType, int mask)
- {
- if ((swizzledResultType & AggregateType.ElementCountMask) != 0)
- {
- SpvLiteralInteger[] components = new SpvLiteralInteger[BitOperations.PopCount((uint)mask)];
-
- int componentIndex = 0;
-
- for (int i = 0; i < 4; i++)
- {
- if ((mask & (1 << i)) != 0)
- {
- components[componentIndex++] = i;
- }
- }
-
- return context.VectorShuffle(context.GetType(swizzledResultType), vector, vector, components);
- }
- else
- {
- int componentIndex = (int)BitOperations.TrailingZeroCount(mask);
-
- return context.CompositeExtract(context.GetType(swizzledResultType), vector, (SpvLiteralInteger)componentIndex);
- }
- }
-
- private static SpvInstruction GetStorageElemPointer(CodeGenContext context, AstOperation operation)
- {
- var sbVariable = context.StorageBuffersArray;
- var i0 = context.Get(AggregateType.S32, operation.GetSource(0));
- var i1 = context.Constant(context.TypeS32(), 0);
- var i2 = context.Get(AggregateType.S32, operation.GetSource(1));
-
- return context.AccessChain(context.TypePointer(StorageClass.Uniform, context.TypeU32()), sbVariable, i0, i1, i2);
- }
-
- private static OperationResult GenerateUnary(
- CodeGenContext context,
- AstOperation operation,
- Func<SpvInstruction, SpvInstruction, SpvInstruction> emitF,
- Func<SpvInstruction, SpvInstruction, SpvInstruction> emitI)
- {
- var source = operation.GetSource(0);
-
- if (operation.Inst.HasFlag(Instruction.FP64))
- {
- return new OperationResult(AggregateType.FP64, emitF(context.TypeFP64(), context.GetFP64(source)));
- }
- else if (operation.Inst.HasFlag(Instruction.FP32))
- {
- return new OperationResult(AggregateType.FP32, emitF(context.TypeFP32(), context.GetFP32(source)));
- }
- else
- {
- return new OperationResult(AggregateType.S32, emitI(context.TypeS32(), context.GetS32(source)));
- }
- }
-
- private static OperationResult GenerateUnaryBool(
- CodeGenContext context,
- AstOperation operation,
- Func<SpvInstruction, SpvInstruction, SpvInstruction> emitB)
- {
- var source = operation.GetSource(0);
- return new OperationResult(AggregateType.Bool, emitB(context.TypeBool(), context.Get(AggregateType.Bool, source)));
- }
-
- private static OperationResult GenerateUnaryFP32(
- CodeGenContext context,
- AstOperation operation,
- Func<SpvInstruction, SpvInstruction, SpvInstruction> emit)
- {
- var source = operation.GetSource(0);
- return new OperationResult(AggregateType.FP32, emit(context.TypeFP32(), context.GetFP32(source)));
- }
-
- private static OperationResult GenerateUnaryS32(
- CodeGenContext context,
- AstOperation operation,
- Func<SpvInstruction, SpvInstruction, SpvInstruction> emitS)
- {
- var source = operation.GetSource(0);
- return new OperationResult(AggregateType.S32, emitS(context.TypeS32(), context.GetS32(source)));
- }
-
- private static OperationResult GenerateBinary(
- CodeGenContext context,
- AstOperation operation,
- Func<SpvInstruction, SpvInstruction, SpvInstruction, SpvInstruction> emitF,
- Func<SpvInstruction, SpvInstruction, SpvInstruction, SpvInstruction> emitI)
- {
- var src1 = operation.GetSource(0);
- var src2 = operation.GetSource(1);
-
- if (operation.Inst.HasFlag(Instruction.FP64))
- {
- var result = emitF(context.TypeFP64(), context.GetFP64(src1), context.GetFP64(src2));
-
- if (!context.Config.GpuAccessor.QueryHostReducedPrecision())
- {
- context.Decorate(result, Decoration.NoContraction);
- }
-
- return new OperationResult(AggregateType.FP64, result);
- }
- else if (operation.Inst.HasFlag(Instruction.FP32))
- {
- var result = emitF(context.TypeFP32(), context.GetFP32(src1), context.GetFP32(src2));
-
- if (!context.Config.GpuAccessor.QueryHostReducedPrecision())
- {
- context.Decorate(result, Decoration.NoContraction);
- }
-
- return new OperationResult(AggregateType.FP32, result);
- }
- else
- {
- return new OperationResult(AggregateType.S32, emitI(context.TypeS32(), context.GetS32(src1), context.GetS32(src2)));
- }
- }
-
- private static OperationResult GenerateBinaryBool(
- CodeGenContext context,
- AstOperation operation,
- Func<SpvInstruction, SpvInstruction, SpvInstruction, SpvInstruction> emitB)
- {
- var src1 = operation.GetSource(0);
- var src2 = operation.GetSource(1);
-
- return new OperationResult(AggregateType.Bool, emitB(context.TypeBool(), context.Get(AggregateType.Bool, src1), context.Get(AggregateType.Bool, src2)));
- }
-
- private static OperationResult GenerateBinaryS32(
- CodeGenContext context,
- AstOperation operation,
- Func<SpvInstruction, SpvInstruction, SpvInstruction, SpvInstruction> emitS)
- {
- var src1 = operation.GetSource(0);
- var src2 = operation.GetSource(1);
-
- return new OperationResult(AggregateType.S32, emitS(context.TypeS32(), context.GetS32(src1), context.GetS32(src2)));
- }
-
- private static OperationResult GenerateBinaryU32(
- CodeGenContext context,
- AstOperation operation,
- Func<SpvInstruction, SpvInstruction, SpvInstruction, SpvInstruction> emitU)
- {
- var src1 = operation.GetSource(0);
- var src2 = operation.GetSource(1);
-
- return new OperationResult(AggregateType.U32, emitU(context.TypeU32(), context.GetU32(src1), context.GetU32(src2)));
- }
-
- private static OperationResult GenerateTernary(
- CodeGenContext context,
- AstOperation operation,
- Func<SpvInstruction, SpvInstruction, SpvInstruction, SpvInstruction, SpvInstruction> emitF,
- Func<SpvInstruction, SpvInstruction, SpvInstruction, SpvInstruction, SpvInstruction> emitI)
- {
- var src1 = operation.GetSource(0);
- var src2 = operation.GetSource(1);
- var src3 = operation.GetSource(2);
-
- if (operation.Inst.HasFlag(Instruction.FP64))
- {
- var result = emitF(context.TypeFP64(), context.GetFP64(src1), context.GetFP64(src2), context.GetFP64(src3));
-
- if (!context.Config.GpuAccessor.QueryHostReducedPrecision())
- {
- context.Decorate(result, Decoration.NoContraction);
- }
-
- return new OperationResult(AggregateType.FP64, result);
- }
- else if (operation.Inst.HasFlag(Instruction.FP32))
- {
- var result = emitF(context.TypeFP32(), context.GetFP32(src1), context.GetFP32(src2), context.GetFP32(src3));
-
- if (!context.Config.GpuAccessor.QueryHostReducedPrecision())
- {
- context.Decorate(result, Decoration.NoContraction);
- }
-
- return new OperationResult(AggregateType.FP32, result);
- }
- else
- {
- return new OperationResult(AggregateType.S32, emitI(context.TypeS32(), context.GetS32(src1), context.GetS32(src2), context.GetS32(src3)));
- }
- }
-
- private static OperationResult GenerateTernaryU32(
- CodeGenContext context,
- AstOperation operation,
- Func<SpvInstruction, SpvInstruction, SpvInstruction, SpvInstruction, SpvInstruction> emitU)
- {
- var src1 = operation.GetSource(0);
- var src2 = operation.GetSource(1);
- var src3 = operation.GetSource(2);
-
- return new OperationResult(AggregateType.U32, emitU(
- context.TypeU32(),
- context.GetU32(src1),
- context.GetU32(src2),
- context.GetU32(src3)));
- }
-
- private static OperationResult GenerateBitfieldExtractS32(
- CodeGenContext context,
- AstOperation operation,
- Func<SpvInstruction, SpvInstruction, SpvInstruction, SpvInstruction, SpvInstruction> emitS)
- {
- var src1 = operation.GetSource(0);
- var src2 = operation.GetSource(1);
- var src3 = operation.GetSource(2);
-
- return new OperationResult(AggregateType.S32, emitS(
- context.TypeS32(),
- context.GetS32(src1),
- context.GetU32(src2),
- context.GetU32(src3)));
- }
-
- private static OperationResult GenerateBitfieldInsert(
- CodeGenContext context,
- AstOperation operation,
- Func<SpvInstruction, SpvInstruction, SpvInstruction, SpvInstruction, SpvInstruction, SpvInstruction> emitS)
- {
- var src1 = operation.GetSource(0);
- var src2 = operation.GetSource(1);
- var src3 = operation.GetSource(2);
- var src4 = operation.GetSource(3);
-
- return new OperationResult(AggregateType.U32, emitS(
- context.TypeU32(),
- context.GetU32(src1),
- context.GetU32(src2),
- context.GetU32(src3),
- context.GetU32(src4)));
- }
- }
-}