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81 lines
2.2 KiB
C#
81 lines
2.2 KiB
C#
using System.Collections.Generic;
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namespace Ryujinx.Graphics.Shader.StructuredIr
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{
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struct TransformFeedbackOutput
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{
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public readonly bool Valid;
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public readonly int Buffer;
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public readonly int Offset;
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public readonly int Stride;
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public TransformFeedbackOutput(int buffer, int offset, int stride)
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{
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Valid = true;
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Buffer = buffer;
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Offset = offset;
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Stride = stride;
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}
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}
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class StructuredProgramInfo
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{
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public List<StructuredFunction> Functions { get; }
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public HashSet<int> Inputs { get; }
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public HashSet<int> Outputs { get; }
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public HashSet<int> InputsPerPatch { get; }
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public HashSet<int> OutputsPerPatch { get; }
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public HelperFunctionsMask HelperFunctionsMask { get; set; }
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public TransformFeedbackOutput[] TransformFeedbackOutputs { get; }
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public StructuredProgramInfo()
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{
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Functions = new List<StructuredFunction>();
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Inputs = new HashSet<int>();
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Outputs = new HashSet<int>();
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InputsPerPatch = new HashSet<int>();
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OutputsPerPatch = new HashSet<int>();
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TransformFeedbackOutputs = new TransformFeedbackOutput[0xc0];
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}
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public TransformFeedbackOutput GetTransformFeedbackOutput(int attr)
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{
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int index = attr / 4;
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return TransformFeedbackOutputs[index];
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}
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public int GetTransformFeedbackOutputComponents(int attr)
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{
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int index = attr / 4;
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int baseIndex = index & ~3;
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int count = 1;
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for (; count < 4; count++)
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{
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ref var prev = ref TransformFeedbackOutputs[baseIndex + count - 1];
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ref var curr = ref TransformFeedbackOutputs[baseIndex + count];
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int prevOffset = prev.Offset;
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int currOffset = curr.Offset;
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if (!prev.Valid || !curr.Valid || prevOffset + 4 != currOffset)
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{
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break;
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}
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}
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if (baseIndex + count <= index)
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{
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return 1;
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}
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return count;
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}
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}
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} |