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Migrate shader translation and remove legacy compiler paths - #90
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| bool exits = statement switch | ||
| { | ||
| Statement.Break => true, | ||
| Statement.If branch => Rewrite(branch.Accept) | Rewrite(branch.Reject), |
| args.Add(pair.Image); args.Add(pair.Sampler); args.Add(coordinate); if (layer is not null) args.Add(layer); if (depth is not null) args.Add(depth); | ||
| if (compare && operands.Level is not null) | ||
| { | ||
| if (!ConstantEvaluator.TryEvaluate(operands.Level, out var level) || level is not Expression.Literal literal || System.Convert.ToDouble(literal.Value) != 0) throw Error("WGSL comparison sampling only supports level zero."); |
| } | ||
| return scalar.Kind switch | ||
| { | ||
| ScalarKind.Bool => new Expression.Literal(literal.Value is bool boolean ? boolean : Floating(literal.Value) != 0, type), |
| { | ||
| double x = Floating(a.Value), y = Floating(b.Value); | ||
| if (op is "<" or ">" or "<=" or ">=" or "==" or "!=") return Expression.Bool(op switch | ||
| { "<" => x < y, ">" => x > y, "<=" => x <= y, ">=" => x >= y, "==" => x == y, _ => x != y }); |
| { | ||
| double x = Floating(a.Value), y = Floating(b.Value); | ||
| if (op is "<" or ">" or "<=" or ">=" or "==" or "!=") return Expression.Bool(op switch | ||
| { "<" => x < y, ">" => x > y, "<=" => x <= y, ">=" => x >= y, "==" => x == y, _ => x != y }); |
| private DescriptorValue ScalarDescriptor(uint id) | ||
| { | ||
| if (descriptorValues.TryGetValue(id, out var cached)) return cached; | ||
| if (!definitions.TryGetValue(id, out var i) || !types.TryGetValue(i.Operands[0], out var type) || (Op)type.Opcode != Op.TypeInt) |
| } | ||
| private Part IndexPart(uint id) | ||
| { | ||
| if (!definitions.TryGetValue(id, out var i) || !types.TryGetValue(i.Operands[0], out var type) || (Op)type.Opcode != Op.TypeInt) |
| public sealed record TaskDispatch(SsaValue Dimensions, string Payload, SourceSpan Span = default) : ControlFlowTerminator; | ||
| public sealed record Unreachable(SourceSpan Span = default) : ControlFlowTerminator; | ||
| public sealed record InvocationKill(SourceSpan Span = default, bool ExplicitTermination = false) : ControlFlowTerminator; | ||
| public ShaderEffects Effects => this is TaskDispatch ? ShaderBuiltinEffects.Barrier(true) | ShaderEffects.InvocationTermination |
| public sealed record Unreachable(SourceSpan Span = default) : ControlFlowTerminator; | ||
| public sealed record InvocationKill(SourceSpan Span = default, bool ExplicitTermination = false) : ControlFlowTerminator; | ||
| public ShaderEffects Effects => this is TaskDispatch ? ShaderBuiltinEffects.Barrier(true) | ShaderEffects.InvocationTermination | ||
| : this is InvocationKill ? ShaderEffects.Convergent | ShaderEffects.InvocationTermination : ShaderEffects.None; |
| if (bitcast) return Bitcast(input, type); | ||
| if (input is Expression.Construct c && type is ShaderType.Vector vector) | ||
| return new Expression.Construct(type, c.Components.Select(e => ConvertCore(e, vector.Component, bitcast)).ToArray()); | ||
| if (input is Expression.Construct matrix && type is ShaderType.Matrix m && !bitcast) |
Sieluna
added this pull request to stack #93
October 11, 2026 11:22
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Closed #89