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https://github.com/Ryujinx/Ryujinx.git
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* Change AggregateType to include vector type counts * Replace VariableType uses with AggregateType and delete VariableType * Support new local vector types on SPIR-V and GLSL * Start using vector outputs for texture operations * Use vectors on more texture operations * Use vector output for ImageLoad operations * Replace all uses of single destination texture constructors with multi destination ones * Update textureGatherOffsets replacement to split vector operations * Shader cache version bump Co-authored-by: Ac_K <Acoustik666@gmail.com>
87 lines
3.1 KiB
C#
87 lines
3.1 KiB
C#
using Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions;
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using Ryujinx.Graphics.Shader.IntermediateRepresentation;
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using Ryujinx.Graphics.Shader.StructuredIr;
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using Ryujinx.Graphics.Shader.Translation;
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using System;
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namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
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{
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static class TypeConversion
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{
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public static string ReinterpretCast(
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CodeGenContext context,
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IAstNode node,
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AggregateType srcType,
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AggregateType dstType)
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{
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if (node is AstOperand operand && operand.Type == OperandType.Constant)
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{
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if (NumberFormatter.TryFormat(operand.Value, dstType, out string formatted))
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{
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return formatted;
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}
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}
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string expr = InstGen.GetExpression(context, node);
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return ReinterpretCast(expr, node, srcType, dstType);
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}
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private static string ReinterpretCast(string expr, IAstNode node, AggregateType srcType, AggregateType dstType)
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{
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if (srcType == dstType)
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{
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return expr;
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}
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if (srcType == AggregateType.FP32)
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{
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switch (dstType)
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{
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case AggregateType.Bool: return $"(floatBitsToInt({expr}) != 0)";
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case AggregateType.S32: return $"floatBitsToInt({expr})";
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case AggregateType.U32: return $"floatBitsToUint({expr})";
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}
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}
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else if (dstType == AggregateType.FP32)
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{
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switch (srcType)
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{
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case AggregateType.Bool: return $"intBitsToFloat({ReinterpretBoolToInt(expr, node, AggregateType.S32)})";
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case AggregateType.S32: return $"intBitsToFloat({expr})";
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case AggregateType.U32: return $"uintBitsToFloat({expr})";
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}
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}
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else if (srcType == AggregateType.Bool)
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{
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return ReinterpretBoolToInt(expr, node, dstType);
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}
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else if (dstType == AggregateType.Bool)
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{
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expr = InstGenHelper.Enclose(expr, node, Instruction.CompareNotEqual, isLhs: true);
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return $"({expr} != 0)";
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}
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else if (dstType == AggregateType.S32)
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{
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return $"int({expr})";
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}
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else if (dstType == AggregateType.U32)
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{
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return $"uint({expr})";
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}
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throw new ArgumentException($"Invalid reinterpret cast from \"{srcType}\" to \"{dstType}\".");
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}
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private static string ReinterpretBoolToInt(string expr, IAstNode node, AggregateType dstType)
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{
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string trueExpr = NumberFormatter.FormatInt(IrConsts.True, dstType);
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string falseExpr = NumberFormatter.FormatInt(IrConsts.False, dstType);
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expr = InstGenHelper.Enclose(expr, node, Instruction.ConditionalSelect, isLhs: false);
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return $"({expr} ? {trueExpr} : {falseExpr})";
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}
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}
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} |