mirror of
https://github.com/baldurk/renderdoc.git
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baldurk
607 lines
23 KiB
C#
607 lines
23 KiB
C#
/******************************************************************************
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* The MIT License (MIT)
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*
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* Copyright (c) 2014 Baldur Karlsson
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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******************************************************************************/
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.IO;
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using System.Text.RegularExpressions;
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using renderdoc;
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namespace renderdocui.Code
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{
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public class FormatElement
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{
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public FormatElement()
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{
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name = "";
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buffer = 0;
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offset = 0;
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perinstance = false;
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instancerate = 1;
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rowmajor = false;
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matrixdim = 0;
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format = new ResourceFormat();
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hex = false;
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systemValue = SystemAttribute.None;
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}
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public FormatElement(string Name, int buf, uint offs, bool pi, int ir, bool rowMat, uint matDim, ResourceFormat f, bool h)
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{
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name = Name;
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buffer = buf;
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offset = offs;
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format = f;
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perinstance = pi;
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instancerate = ir;
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rowmajor = rowMat;
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matrixdim = matDim;
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hex = h;
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systemValue = SystemAttribute.None;
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}
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public override bool Equals(Object obj)
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{
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return obj is FormatElement && this == (FormatElement)obj;
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}
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public override int GetHashCode()
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{
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int hash = name.GetHashCode() * 17;
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hash = hash * 17 + buffer.GetHashCode();
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hash = hash * 17 + offset.GetHashCode();
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hash = hash * 17 + format.GetHashCode();
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hash = hash * 17 + perinstance.GetHashCode();
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hash = hash * 17 + rowmajor.GetHashCode();
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hash = hash * 17 + matrixdim.GetHashCode();
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hash = hash * 17 + hex.GetHashCode();
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return hash;
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}
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public static bool operator ==(FormatElement x, FormatElement y)
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{
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if ((object)x == null) return false;
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if ((object)y == null) return false;
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return x.name == y.name &&
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x.buffer == y.buffer &&
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x.offset == y.offset &&
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x.format == y.format &&
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x.perinstance == y.perinstance &&
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x.rowmajor == y.rowmajor &&
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x.matrixdim == y.matrixdim &&
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x.hex == y.hex;
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}
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public static bool operator !=(FormatElement x, FormatElement y)
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{
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return !(x == y);
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}
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public uint ByteSize
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{
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get
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{
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return format.compByteWidth * format.compCount * matrixdim;
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}
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}
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public object[] GetObjects(BinaryReader read)
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{
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var ret = new List<object>();
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if (format.special && format.specialFormat == SpecialFormat.R5G5B5A1)
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{
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ushort packed = read.ReadUInt16();
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ret.Add((float)((packed >> 0) & 0x1f) / 31.0f);
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ret.Add((float)((packed >> 5) & 0x1f) / 31.0f);
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ret.Add((float)((packed >> 10) & 0x1f) / 31.0f);
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ret.Add(((packed & 0x8000) > 0) ? 1.0f : 0.0f);
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if (format.bgraOrder)
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{
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object tmp = ret[2];
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ret[2] = ret[0];
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ret[0] = tmp;
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}
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}
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else if (format.special && format.specialFormat == SpecialFormat.R5G6B5)
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{
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ushort packed = read.ReadUInt16();
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ret.Add((float)((packed >> 0) & 0x1f) / 31.0f);
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ret.Add((float)((packed >> 5) & 0x3f) / 63.0f);
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ret.Add((float)((packed >> 11) & 0x1f) / 31.0f);
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if (format.bgraOrder)
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{
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object tmp = ret[2];
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ret[2] = ret[0];
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ret[0] = tmp;
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}
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}
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else if (format.special && format.specialFormat == SpecialFormat.R4G4B4A4)
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{
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ushort packed = read.ReadUInt16();
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ret.Add((float)((packed >> 0) & 0xf) / 15.0f);
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ret.Add((float)((packed >> 4) & 0xf) / 15.0f);
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ret.Add((float)((packed >> 8) & 0xf) / 15.0f);
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ret.Add((float)((packed >> 12) & 0xf) / 15.0f);
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if (format.bgraOrder)
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{
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object tmp = ret[2];
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ret[2] = ret[0];
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ret[0] = tmp;
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}
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}
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else if (format.special && format.specialFormat == SpecialFormat.R10G10B10A2)
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{
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// allow for vectors of this format - for raw buffer viewer
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for (int i = 0; i < (format.compCount / 4); i++)
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{
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uint packed = read.ReadUInt32();
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uint r = (packed >> 0) & 0x3ff;
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uint g = (packed >> 10) & 0x3ff;
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uint b = (packed >> 20) & 0x3ff;
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uint a = (packed >> 30) & 0x003;
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if (format.compType == FormatComponentType.UInt)
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{
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ret.Add(r);
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ret.Add(g);
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ret.Add(b);
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ret.Add(a);
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}
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else
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{
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ret.Add((float)r / 1023.0f);
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ret.Add((float)g / 1023.0f);
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ret.Add((float)b / 1023.0f);
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ret.Add((float)a / 3.0f);
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}
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}
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}
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else if (format.special && format.specialFormat == SpecialFormat.R11G11B10)
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{
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uint packed = read.ReadUInt32();
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uint xMantissa = ((packed >> 0) & 0x3f);
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uint xExponent = ((packed >> 6) & 0x1f);
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uint yMantissa = ((packed >> 11) & 0x3f);
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uint yExponent = ((packed >> 17) & 0x1f);
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uint zMantissa = ((packed >> 22) & 0x1f);
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uint zExponent = ((packed >> 27) & 0x1f);
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ret.Add(((float)(xMantissa) / 64.0f) * Math.Pow(2.0f, (float)xExponent - 15.0f));
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ret.Add(((float)(yMantissa) / 32.0f) * Math.Pow(2.0f, (float)yExponent - 15.0f));
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ret.Add(((float)(zMantissa) / 32.0f) * Math.Pow(2.0f, (float)zExponent - 15.0f));
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}
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else
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{
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int dim = (int)(Math.Max(matrixdim, 1) * format.compCount);
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for (int i = 0; i < dim; i++)
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{
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if (format.compType == FormatComponentType.Float)
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{
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if (format.compByteWidth == 8)
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ret.Add(read.ReadDouble());
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else if (format.compByteWidth == 4)
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ret.Add(read.ReadSingle());
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else if (format.compByteWidth == 2)
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ret.Add(format.ConvertFromHalf(read.ReadUInt16()));
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}
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else if (format.compType == FormatComponentType.SInt)
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{
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if (format.compByteWidth == 4)
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ret.Add((int)read.ReadInt32());
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else if (format.compByteWidth == 2)
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ret.Add((int)read.ReadInt16());
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else if (format.compByteWidth == 1)
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ret.Add((int)read.ReadSByte());
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}
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else if (format.compType == FormatComponentType.UInt)
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{
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if (format.compByteWidth == 4)
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ret.Add((uint)read.ReadUInt32());
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else if (format.compByteWidth == 2)
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ret.Add((uint)read.ReadUInt16());
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else if (format.compByteWidth == 1)
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ret.Add((uint)read.ReadByte());
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}
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else if (format.compType == FormatComponentType.Depth)
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{
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float f = (float)read.ReadUInt32();
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if (format.compByteWidth == 4)
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ret.Add(f / (float)uint.MaxValue);
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else if (format.compByteWidth == 3)
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ret.Add(f / (float)0x00ffffff);
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else if (format.compByteWidth == 2)
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ret.Add(f / (float)0xffff);
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}
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else if (format.compType == FormatComponentType.Double)
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{
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ret.Add(read.ReadDouble());
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}
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else
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{
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// unorm/snorm
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if (format.compByteWidth == 4)
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{
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renderdoc.StaticExports.LogText("Unexpected 4-byte unorm/snorm value");
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ret.Add((float)read.ReadUInt32() / (float)uint.MaxValue); // should never hit this - no 32bit unorm/snorm type
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}
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else if (format.compByteWidth == 2)
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{
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ret.Add(format.Interpret(read.ReadUInt16()));
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}
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else if (format.compByteWidth == 1)
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{
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ret.Add(format.Interpret(read.ReadByte()));
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}
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}
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}
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if (format.bgraOrder)
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{
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object tmp = ret[2];
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ret[2] = ret[0];
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ret[0] = tmp;
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}
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}
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return ret.ToArray();
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}
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public ShaderVariable GetShaderVar(BinaryReader read)
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{
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object[] objs = GetObjects(read);
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ShaderVariable ret = new ShaderVariable();
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ret.name = name;
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ret.type = VarType.Float;
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if (format.compType == FormatComponentType.UInt)
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ret.type = VarType.UInt;
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if (format.compType == FormatComponentType.SInt)
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ret.type = VarType.Int;
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if (format.compType == FormatComponentType.Double)
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ret.type = VarType.Double;
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ret.columns = Math.Min(format.compCount, 4);
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ret.rows = Math.Min(matrixdim, 4);
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ret.members = new ShaderVariable[0] { };
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ret.value.fv = new float[16];
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ret.value.uv = new uint[16];
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ret.value.iv = new int[16];
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ret.value.dv = new double[16];
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for (uint row = 0; row < ret.rows; row++)
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{
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for (uint col = 0; col < ret.columns; col++)
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{
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uint dst = row * ret.columns + col;
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uint src = row * format.compCount + col;
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object o = objs[src];
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if (o is double)
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ret.value.dv[dst] = (double)o;
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else if (o is float)
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ret.value.fv[dst] = (float)o;
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else if (o is uint)
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ret.value.uv[dst] = (uint)o;
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else if (o is int)
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ret.value.iv[dst] = (int)o;
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}
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}
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return ret;
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}
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static public FormatElement[] ParseFormatString(string formatString, bool tightPacking, out string errors)
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{
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var elems = new List<FormatElement>();
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var formatReader = new StringReader(formatString);
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// regex doesn't account for trailing or preceeding whitespace, or comments
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var regExpr = @"^(row_major\s+)?" + // row_major matrix
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@"(" +
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@"uintten|unormten" +
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@"|unormh|unormb" +
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@"|snormh|snormb" +
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@"|bool" + // bool is stored as 4-byte int
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@"|byte|short|int" + // signed ints
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@"|ubyte|ushort|uint" + // unsigned ints
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@"|xbyte|xshort|xint" + // hex ints
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@"|half|float|double" + // float types
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@"|vec|uvec|ivec" + // OpenGL vector types
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@"|mat|umat|imat" + // OpenGL matrix types
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@")" +
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@"([1-9])?" + // might be a vector
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@"(x[1-9])?" + // or a matrix
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@"(\s+[A-Za-z_][A-Za-z0-9_]*)?" + // get identifier name
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@"(\[[0-9]+\])?" + // optional array dimension
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@"(\s*:\s*[A-Za-z_][A-Za-z0-9_]*)?" + // optional semantic
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@"$";
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Regex regParser = new Regex(regExpr, RegexOptions.Compiled);
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bool success = true;
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errors = "";
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var text = formatReader.ReadToEnd();
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text = text.Replace("{", "").Replace("}", "");
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Regex c_comments = new Regex(@"/\*[^*]*\*+(?:[^*/][^*]*\*+)*/", RegexOptions.Compiled);
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text = c_comments.Replace(text, "");
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Regex cpp_comments = new Regex(@"//.*", RegexOptions.Compiled);
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text = cpp_comments.Replace(text, "");
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uint offset = 0;
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// get each line and parse it to determine the format the user wanted
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foreach (var l in text.Split(';'))
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{
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var line = l;
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line = line.Trim();
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if (line.Length == 0) continue;
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var match = regParser.Match(line);
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if (!match.Success)
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{
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errors = "Couldn't parse line:\n" + line;
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success = false;
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break;
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}
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var basetype = match.Groups[2].Value;
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bool row_major = match.Groups[1].Success;
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var vectorDim = match.Groups[3].Success ? match.Groups[3].Value : "1";
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var matrixDim = match.Groups[4].Success ? match.Groups[4].Value.Substring(1) : "1";
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var name = match.Groups[5].Success ? match.Groups[5].Value.Trim() : "data";
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var arrayDim = match.Groups[6].Success ? match.Groups[6].Value.Trim() : "[1]";
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arrayDim = arrayDim.Substring(1, arrayDim.Length - 2);
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if (match.Groups[4].Success)
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{
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var a = vectorDim;
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vectorDim = matrixDim;
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matrixDim = a;
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}
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ResourceFormat fmt = new ResourceFormat(FormatComponentType.None, 0, 0);
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bool hex = false;
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FormatComponentType type = FormatComponentType.Float;
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uint count = 0;
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uint arrayCount = 1;
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uint matrixCount = 0;
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uint width = 0;
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// calculate format
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{
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if (!uint.TryParse(vectorDim, out count))
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{
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errors = "Invalid vector dimension on line:\n" + line;
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success = false;
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break;
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}
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if (!uint.TryParse(arrayDim, out arrayCount))
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{
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arrayCount = 1;
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}
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arrayCount = Math.Max(0, arrayCount);
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if (!uint.TryParse(matrixDim, out matrixCount))
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{
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errors = "Invalid matrix second dimension on line:\n" + line;
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success = false;
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break;
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}
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if (basetype == "bool")
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{
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type = FormatComponentType.UInt;
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width = 4;
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}
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else if (basetype == "byte")
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{
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type = FormatComponentType.SInt;
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width = 1;
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}
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else if (basetype == "ubyte" || basetype == "xbyte")
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{
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type = FormatComponentType.UInt;
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width = 1;
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}
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else if (basetype == "short")
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{
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type = FormatComponentType.SInt;
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width = 2;
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}
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else if (basetype == "ushort" || basetype == "xshort")
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{
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type = FormatComponentType.UInt;
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width = 2;
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}
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else if (basetype == "int" || basetype == "ivec" || basetype == "imat")
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{
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type = FormatComponentType.SInt;
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width = 4;
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}
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else if (basetype == "uint" || basetype == "xint" || basetype == "uvec" || basetype == "umat")
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{
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type = FormatComponentType.UInt;
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width = 4;
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}
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else if (basetype == "half")
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{
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type = FormatComponentType.Float;
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width = 2;
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}
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else if (basetype == "float" || basetype == "vec" || basetype == "mat")
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{
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type = FormatComponentType.Float;
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width = 4;
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}
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else if (basetype == "double")
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{
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type = FormatComponentType.Double;
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width = 8;
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}
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else if (basetype == "unormh")
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{
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type = FormatComponentType.UNorm;
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width = 2;
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}
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else if (basetype == "unormb")
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{
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type = FormatComponentType.UNorm;
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width = 1;
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}
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else if (basetype == "snormh")
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{
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type = FormatComponentType.SNorm;
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width = 2;
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}
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else if (basetype == "snormb")
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{
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type = FormatComponentType.SNorm;
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width = 1;
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}
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else if (basetype == "uintten")
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{
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fmt = new ResourceFormat(FormatComponentType.UInt, 4 * count, 1);
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fmt.special = true;
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fmt.specialFormat = SpecialFormat.R10G10B10A2;
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}
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else if (basetype == "unormten")
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{
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fmt = new ResourceFormat(FormatComponentType.UNorm, 4 * count, 1);
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fmt.special = true;
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fmt.specialFormat = SpecialFormat.R10G10B10A2;
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}
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else
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{
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errors = "Unrecognised basic type on line:\n" + line;
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success = false;
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break;
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}
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}
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if (basetype == "xint" || basetype == "xshort" || basetype == "xbyte")
|
|
hex = true;
|
|
|
|
if (fmt.compType == FormatComponentType.None)
|
|
fmt = new ResourceFormat(type, count, width);
|
|
|
|
if (arrayCount == 1)
|
|
{
|
|
FormatElement elem = new FormatElement(name, 0, offset, false, 1, row_major, matrixCount, fmt, hex);
|
|
|
|
uint advance = elem.ByteSize;
|
|
|
|
if (!tightPacking)
|
|
{
|
|
// cbuffer packing always works in floats
|
|
advance = (advance + 3U) & (~3U);
|
|
|
|
// cbuffer packing doesn't allow elements to cross float4 boundaries, nudge up if this was the case
|
|
if (offset / 16 != (offset + elem.ByteSize - 1) / 16)
|
|
{
|
|
elem.offset = offset = (offset + 0xFU) & (~0xFU);
|
|
}
|
|
}
|
|
|
|
elems.Add(elem);
|
|
|
|
offset += advance;
|
|
}
|
|
else
|
|
{
|
|
// when cbuffer packing, arrays are always aligned at float4 boundary
|
|
if (!tightPacking)
|
|
{
|
|
if (offset % 16 != 0)
|
|
{
|
|
offset = (offset + 0xFU) & (~0xFU);
|
|
}
|
|
}
|
|
|
|
for (uint a = 0; a < arrayCount; a++)
|
|
{
|
|
FormatElement elem = new FormatElement(String.Format("{0}[{1}]", name, a), 0, offset, false, 1, row_major, matrixCount, fmt, hex);
|
|
|
|
elems.Add(elem);
|
|
|
|
uint advance = elem.ByteSize;
|
|
|
|
// cbuffer packing each array element is always float4 aligned
|
|
if (!tightPacking)
|
|
{
|
|
advance = (advance + 0xFU) & (~0xFU);
|
|
}
|
|
|
|
offset += advance;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!success || elems.Count == 0)
|
|
{
|
|
elems.Clear();
|
|
|
|
var fmt = new ResourceFormat(FormatComponentType.UInt, 4, 4);
|
|
|
|
elems.Add(new FormatElement("data", 0, 0, false, 1, false, 1, fmt, true));
|
|
}
|
|
|
|
return elems.ToArray();
|
|
}
|
|
|
|
public string name;
|
|
public int buffer;
|
|
public uint offset;
|
|
public bool perinstance;
|
|
public int instancerate;
|
|
public bool rowmajor;
|
|
public uint matrixdim;
|
|
public ResourceFormat format;
|
|
public bool hex;
|
|
public SystemAttribute systemValue;
|
|
}
|
|
}
|