// Can only construct from this assembly and friend assemblies
internal Uniform(string name, ShaderType type, uint?arrSize, uint loc, UniformBlock block, uint idx, uint off)
{
Name = name;
Type = type;
ArraySize = arrSize.GetValueOrDefault(1);
IsArray = arrSize.HasValue;
Location = block?.Location ?? loc;
Block = block;
Index = idx;
Offset = off;
}
public static ShaderInfo LoadFrom(BinaryReader reader, Version cVer, Version sVer)
{
if (cVer > TOOL_VERSION)
{
throw new InvalidOperationException($"The file version {cVer} cannot be loaded by this version of the library ({TOOL_VERSION}).");
}
ShaderInfo info = new ShaderInfo();
info.CompilerVersion = cVer;
info.SourceVersion = sVer;
// Load the stages
var stages = reader.ReadByte();
info.Stages = (ShaderStages)stages;
// Load the uniforms (note that this assumes that the uniforms are sorted when written)
var ucount = reader.ReadByte();
var cont = reader.ReadBoolean();
var bcount = reader.ReadByte();
info._blocks.AddRange(reader.ReadBytes(bcount).Select(b => new UniformBlock(b)));
while (ucount > 0)
{
var slen = reader.ReadByte();
var uname = Encoding.ASCII.GetString(reader.ReadBytes(slen));
var type = (ShaderType)reader.ReadByte();
var asize = reader.ReadByte();
var extra = reader.ReadByte();
var loc = reader.ReadByte();
var idx = reader.ReadByte();
UniformBlock b = (idx != 0xFF) ? info._blocks.Find(blk => blk.Location == loc) : null;
var uni = new Uniform(uname, type, asize == 0 ? (uint?)null : asize, loc, b, idx, b?.Size ?? 0);
if (type == ShaderType.SubpassInput)
{
uni.SubpassIndex = extra;
}
else if (type.IsImageType())
{
uni.ImageFormat = (ImageFormat)extra;
}
b?.AddMember(uni);
info._uniforms.Add(uni);
--ucount;
}
// Load the attributes
var acount = reader.ReadByte();
while (acount > 0)
{
var slen = reader.ReadByte();
var aname = Encoding.ASCII.GetString(reader.ReadBytes(slen));
var type = (ShaderType)reader.ReadByte();
var asize = reader.ReadByte();
var loc = reader.ReadByte();
info._attributes.Add(new VertexAttribute(aname, type, asize == 0 ? (uint?)null : asize, loc));
--acount;
}
// Load the outputs
var ocount = reader.ReadByte();
for (uint i = 0; i < ocount; ++i)
{
var slen = reader.ReadByte();
var oname = Encoding.ASCII.GetString(reader.ReadBytes(slen));
var type = (ShaderType)reader.ReadByte();
info._outputs.Add(new FragmentOutput(oname, type, i));
}
// Load the specialization constants
var scount = reader.ReadByte();
while (scount > 0)
{
var slen = reader.ReadByte();
var aname = Encoding.ASCII.GetString(reader.ReadBytes(slen));
var type = (ShaderType)reader.ReadByte();
var idx = reader.ReadByte();
info._specializations.Add(new SpecConstant(aname, type, idx));
--scount;
}
// Return
info.Sort();
return(info);
}
