make new opengl source generator
This commit is contained in:
Youmu Liu
@@ -0,0 +1,169 @@
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// -----------------------------------------------------------------------------
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// file="GlHandleApiFilter"
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// Project: StgSharp
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// Copyright (c) Nitload.
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// SPDX-License-Identifier: MIT
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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 StgSharp.GenerateGL.Registry;
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namespace StgSharp.GenerateGL.Generation
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{
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/// <summary>
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/// Replaces registry object-class GLuint values with the managed GlHandle type.
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/// </summary>
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internal sealed class GlHandleApiFilter : IGlApiFilter
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{
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public IReadOnlyList<ManagedMethodDefinition> Apply(
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GlCommandDefinition command,
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IReadOnlyList<ManagedMethodDefinition> methods,
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GlEquivalentTypeMapper typeMapper
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)
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{
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ArgumentNullException.ThrowIfNull(command);
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ArgumentNullException.ThrowIfNull(methods);
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ArgumentNullException.ThrowIfNull(typeMapper);
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bool wrapsReturn = string.Equals(
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command.Return.TypeName,
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"GLuint",
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StringComparison.Ordinal) &&
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command.Return.ObjectClass is not null;
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return Array.AsReadOnly(
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methods.Select(
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method => ConvertMethod(method, wrapsReturn)).ToArray());
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}
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private static ManagedMethodDefinition ConvertMethod(
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ManagedMethodDefinition method,
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bool wrapsReturn
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)
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{
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ManagedParameterDefinition[] converted = method.Parameters.Select(
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ConvertParameter).ToArray();
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if (method.Invocation is not DirectInvocation direct ||
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!converted.Any(value => value.IsHandleSpan))
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{
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return method with
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{
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ReturnType = wrapsReturn ? "GlHandle" : method.ReturnType,
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Parameters = Array.AsReadOnly(converted),
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WrapHandleReturn = wrapsReturn,
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};
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}
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Dictionary<string, int> spanByLengthName = new Dictionary<string, int>(
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StringComparer.Ordinal);
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for (int index = 0; index < converted.Length; index++)
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{
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ManagedParameterDefinition parameter = converted[index];
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string? length = parameter.NativeParameter?.Length;
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if (parameter.IsHandleSpan &&
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length is not null &&
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IsIdentifier(length))
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{
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spanByLengthName.TryAdd(length, index);
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}
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}
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Dictionary<int, int> oldToNew = new Dictionary<int, int>();
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List<ManagedParameterDefinition> parameters = new List<ManagedParameterDefinition>();
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for (int oldIndex = 0; oldIndex < converted.Length; oldIndex++)
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{
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ManagedParameterDefinition parameter = converted[oldIndex];
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if (spanByLengthName.ContainsKey(parameter.Name))
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{
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continue;
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}
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oldToNew.Add(oldIndex, parameters.Count);
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parameters.Add(parameter);
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}
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List<ManagedArgument> arguments = new List<ManagedArgument>(direct.Arguments.Count);
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foreach (ManagedArgument argument in direct.Arguments)
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{
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if (argument is not ParameterArgument sourceArgument)
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{
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arguments.Add(argument);
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continue;
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}
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ManagedParameterDefinition sourceParameter = converted[sourceArgument.ParameterIndex];
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if (spanByLengthName.TryGetValue(
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sourceParameter.Name,
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out int spanOldIndex))
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{
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arguments.Add(new SpanLengthArgument(oldToNew[spanOldIndex]));
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}
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else
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{
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arguments.Add(
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new ParameterArgument(oldToNew[sourceArgument.ParameterIndex]));
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}
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}
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return method with
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{
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ReturnType = wrapsReturn ? "GlHandle" : method.ReturnType,
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Parameters = Array.AsReadOnly(parameters.ToArray()),
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Invocation = new DirectInvocation(Array.AsReadOnly(arguments.ToArray())),
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WrapHandleReturn = wrapsReturn,
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};
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}
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private static ManagedParameterDefinition ConvertParameter(
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ManagedParameterDefinition parameter
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)
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{
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GlParameterDefinition? source = parameter.NativeParameter;
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if (source is null ||
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source.ObjectClass is null ||
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!string.Equals(source.TypeName, "GLuint", StringComparison.Ordinal))
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{
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return parameter;
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}
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int pointerDepth = source.DeclarationText.Count(value => value == '*');
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bool isSpan = pointerDepth == 1 && source.Length is not null;
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string type;
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if (isSpan)
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{
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type = source.DeclarationText.Contains("const", StringComparison.Ordinal)
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? "ReadOnlySpan<GlHandle>"
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: "Span<GlHandle>";
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}
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else
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{
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type = pointerDepth == 0
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? "GlHandle"
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: $"GlHandle{new string('*', pointerDepth)}";
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}
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return parameter with
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{
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Type = type,
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IsHandle = true,
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IsHandleSpan = isSpan,
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};
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}
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private static bool IsIdentifier(
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string value
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)
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{
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if (value.Length == 0 ||
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!char.IsLetter(value[0]) && value[0] != '_')
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{
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return false;
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}
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return value.Skip(1).All(character => char.IsLetterOrDigit(character) || character == '_');
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}
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}
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}
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@@ -0,0 +1,391 @@
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// -----------------------------------------------------------------------------
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// file="GlOverloadApiFilter"
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// Project: StgSharp
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// Copyright (c) Nitload.
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// SPDX-License-Identifier: MIT
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// -----------------------------------------------------------------------------
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using System;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.Globalization;
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using System.Text.RegularExpressions;
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using StgSharp.GenerateGL.Registry;
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namespace StgSharp.GenerateGL.Generation
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{
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/// <summary>
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/// Replaces verified C-style command families with managed overloads.
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/// </summary>
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internal sealed class GlOverloadApiFilter : IGlApiFilter
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{
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private static readonly Regex _matrixUniformPattern = new Regex(
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@"^gl(?<family>ProgramUniform|Uniform)Matrix(?<columns>[2-4])" +
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@"(?:x(?<rows>[2-4]))?(?<type>f|d)v$",
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RegexOptions.Compiled | RegexOptions.CultureInvariant);
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private static readonly Regex _uniformPattern = new Regex(
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@"^gl(?<family>ProgramUniform|Uniform)(?<width>[1-4])" +
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@"(?<type>ui|f|i|d)(?<vector>v?)$",
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RegexOptions.Compiled | RegexOptions.CultureInvariant);
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private static readonly Regex _vertexAttribPattern = new Regex(
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@"^glVertexAttrib(?<width>[1-4])(?<type>d|f|s)(?<vector>v?)$",
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RegexOptions.Compiled | RegexOptions.CultureInvariant);
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private static readonly string[] _components = { "X", "Y", "Z", "W" };
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public IReadOnlyList<ManagedMethodDefinition> Apply(
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GlCommandDefinition command,
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IReadOnlyList<ManagedMethodDefinition> methods,
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GlEquivalentTypeMapper typeMapper
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)
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{
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ArgumentNullException.ThrowIfNull(command);
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ArgumentNullException.ThrowIfNull(methods);
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ArgumentNullException.ThrowIfNull(typeMapper);
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Match matrixMatch = _matrixUniformPattern.Match(command.Name);
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if (matrixMatch.Success)
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{
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return RewriteMatrixUniform(command, matrixMatch, typeMapper);
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}
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Match uniformMatch = _uniformPattern.Match(command.Name);
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if (uniformMatch.Success)
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{
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return RewriteUniform(command, uniformMatch, typeMapper);
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}
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Match vertexAttribMatch = _vertexAttribPattern.Match(command.Name);
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if (vertexAttribMatch.Success)
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{
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return vertexAttribMatch.Groups["vector"].Value.Length == 0
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? Array.AsReadOnly(
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new[]
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{
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methods[0] with { Name = "VertexAttrib" },
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})
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: Array.Empty<ManagedMethodDefinition>();
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}
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return methods;
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}
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private static ReadOnlyCollection<ManagedMethodDefinition> RewriteUniform(
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GlCommandDefinition command,
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Match match,
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GlEquivalentTypeMapper typeMapper
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)
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{
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int width = int.Parse(
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match.Groups["width"].Value,
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CultureInfo.InvariantCulture);
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string componentType = ReadComponentType(match.Groups["type"].Value);
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bool isVector = match.Groups["vector"].Value.Length != 0;
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int prefixCount = match.Groups["family"].Value == "ProgramUniform" ? 2 : 1;
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string methodName = match.Groups["family"].Value;
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ValidateUniformSignature(
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command,
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width,
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componentType,
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prefixCount,
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isVector,
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typeMapper);
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List<ManagedParameterDefinition> prefix = ReadNativeParameters(
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command,
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prefixCount,
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typeMapper);
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List<ManagedArgument> prefixArguments = ReadParameterArguments(prefix.Count);
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if (isVector)
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{
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if (width is 2 or 3)
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{
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return Array.AsReadOnly(Array.Empty<ManagedMethodDefinition>());
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}
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GlParameterDefinition valueParameter = command.Parameters[^1];
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string spanElementType = width == 1
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? componentType
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: $"Vec{width}<{componentType}>";
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List<ManagedParameterDefinition> parameters = new List<ManagedParameterDefinition>(prefix)
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{
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new ManagedParameterDefinition(
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$"ReadOnlySpan<{spanElementType}>",
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"values",
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valueParameter),
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};
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ManagedInvocation invocation = width == 1
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? new PinnedSpanInvocation(
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prefixArguments,
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parameters.Count - 1,
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componentType)
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: new PinnedVectorSpanInvocation(
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prefixArguments,
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parameters.Count - 1,
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componentType,
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spanElementType);
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return Array.AsReadOnly(
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new[]
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{
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new ManagedMethodDefinition(
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methodName,
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"void",
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Array.AsReadOnly(parameters.ToArray()),
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command,
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invocation),
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});
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}
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List<ManagedMethodDefinition> methods = new List<ManagedMethodDefinition>();
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List<ManagedParameterDefinition> scalarParameters = ReadNativeParameters(
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command,
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command.Parameters.Count,
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typeMapper);
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methods.Add(
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new ManagedMethodDefinition(
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methodName,
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"void",
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Array.AsReadOnly(scalarParameters.ToArray()),
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command,
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new DirectInvocation(ReadParameterArguments(scalarParameters.Count))));
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if (width > 1)
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{
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List<ManagedParameterDefinition> vectorParameters = new List<ManagedParameterDefinition>(prefix)
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{
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new ManagedParameterDefinition(
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$"Vec{width}<{componentType}>",
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"value"),
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};
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List<ManagedArgument> vectorArguments = new List<ManagedArgument>(prefixArguments);
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for (int index = 0; index < width; index++)
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{
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vectorArguments.Add(
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new VectorComponentArgument(
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vectorParameters.Count - 1,
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_components[index]));
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}
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methods.Add(
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new ManagedMethodDefinition(
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methodName,
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"void",
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Array.AsReadOnly(vectorParameters.ToArray()),
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command,
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new DirectInvocation(Array.AsReadOnly(vectorArguments.ToArray()))));
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}
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return Array.AsReadOnly(methods.ToArray());
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}
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private static IReadOnlyList<ManagedMethodDefinition> RewriteMatrixUniform(
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GlCommandDefinition command,
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Match match,
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GlEquivalentTypeMapper typeMapper
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)
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{
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int columns = int.Parse(
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match.Groups["columns"].Value,
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CultureInfo.InvariantCulture);
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int rows = match.Groups["rows"].Success
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? int.Parse(
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match.Groups["rows"].Value,
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CultureInfo.InvariantCulture)
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: columns;
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string componentType = ReadComponentType(match.Groups["type"].Value);
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int prefixCount = match.Groups["family"].Value == "ProgramUniform" ? 2 : 1;
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string methodName = match.Groups["family"].Value;
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ValidateMatrixSignature(
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command,
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columns,
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rows,
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componentType,
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prefixCount,
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typeMapper);
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if (columns != 4 || rows != 4 || componentType != "float")
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{
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return Array.Empty<ManagedMethodDefinition>();
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}
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List<ManagedParameterDefinition> prefix = ReadNativeParameters(
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command,
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prefixCount,
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typeMapper);
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List<ManagedArgument> prefixArguments = ReadParameterArguments(prefix.Count);
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GlParameterDefinition transposeSource = command.Parameters[prefixCount + 1];
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GlParameterDefinition valueSource = command.Parameters[prefixCount + 2];
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List<ManagedParameterDefinition> singleParameters = new List<ManagedParameterDefinition>(prefix)
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{
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new ManagedParameterDefinition("bool", "transpose", transposeSource),
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new ManagedParameterDefinition("GraphicsMatrix", "value", valueSource),
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};
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List<ManagedParameterDefinition> spanParameters = new List<ManagedParameterDefinition>(prefix)
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{
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new ManagedParameterDefinition("bool", "transpose", transposeSource),
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new ManagedParameterDefinition(
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"ReadOnlySpan<GraphicsMatrix>",
|
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"values",
|
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valueSource),
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};
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return Array.AsReadOnly(
|
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new[]
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{
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new ManagedMethodDefinition(
|
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methodName,
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"void",
|
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Array.AsReadOnly(singleParameters.ToArray()),
|
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command,
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new Matrix4Invocation(
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prefixArguments,
|
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singleParameters.Count - 2,
|
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singleParameters.Count - 1,
|
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false)),
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new ManagedMethodDefinition(
|
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methodName,
|
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"void",
|
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Array.AsReadOnly(spanParameters.ToArray()),
|
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command,
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new Matrix4Invocation(
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prefixArguments,
|
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spanParameters.Count - 2,
|
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spanParameters.Count - 1,
|
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true)),
|
||||
});
|
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}
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|
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private static void ValidateUniformSignature(
|
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GlCommandDefinition command,
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int width,
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string componentType,
|
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int prefixCount,
|
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bool isVector,
|
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GlEquivalentTypeMapper typeMapper
|
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)
|
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{
|
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int expectedCount = prefixCount + (isVector ? 2 : width);
|
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if (command.Parameters.Count != expectedCount)
|
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{
|
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throw new InvalidOperationException(
|
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$"Uniform command '{command.Name}' does not match its recognized shape.");
|
||||
}
|
||||
|
||||
if (isVector)
|
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{
|
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GlParameterDefinition count = command.Parameters[prefixCount];
|
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GlParameterDefinition value = command.Parameters[prefixCount + 1];
|
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string expectedLength = $"{count.Name}*{width}";
|
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string expectedKind = $"Vector{width}";
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if (typeMapper.ReadParameterType(value) != $"{componentType}*" ||
|
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!string.Equals(value.Length, expectedLength, StringComparison.Ordinal) &&
|
||||
!(width == 1 && string.Equals(
|
||||
value.Length,
|
||||
count.Name,
|
||||
StringComparison.Ordinal)) ||
|
||||
!string.Equals(value.Kind, expectedKind, StringComparison.Ordinal))
|
||||
{
|
||||
throw new InvalidOperationException(
|
||||
$"Uniform command '{command.Name}' has inconsistent vector metadata.");
|
||||
}
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
for (int index = prefixCount; index < command.Parameters.Count; index++)
|
||||
{
|
||||
if (typeMapper.ReadParameterType(command.Parameters[index]) != componentType)
|
||||
{
|
||||
throw new InvalidOperationException(
|
||||
$"Uniform command '{command.Name}' has inconsistent component types.");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private static void ValidateMatrixSignature(
|
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GlCommandDefinition command,
|
||||
int columns,
|
||||
int rows,
|
||||
string componentType,
|
||||
int prefixCount,
|
||||
GlEquivalentTypeMapper typeMapper
|
||||
)
|
||||
{
|
||||
if (command.Parameters.Count != prefixCount + 3)
|
||||
{
|
||||
throw new InvalidOperationException(
|
||||
$"Matrix command '{command.Name}' does not match its recognized shape.");
|
||||
}
|
||||
|
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GlParameterDefinition count = command.Parameters[prefixCount];
|
||||
GlParameterDefinition value = command.Parameters[prefixCount + 2];
|
||||
if (typeMapper.ReadParameterType(value) != $"{componentType}*" ||
|
||||
!string.Equals(
|
||||
value.Kind,
|
||||
$"Matrix{columns}x{rows}",
|
||||
StringComparison.Ordinal) ||
|
||||
!string.Equals(
|
||||
value.Length,
|
||||
$"{count.Name}*{columns * rows}",
|
||||
StringComparison.Ordinal))
|
||||
{
|
||||
throw new InvalidOperationException(
|
||||
$"Matrix command '{command.Name}' has inconsistent matrix metadata.");
|
||||
}
|
||||
}
|
||||
|
||||
private static List<ManagedParameterDefinition> ReadNativeParameters(
|
||||
GlCommandDefinition command,
|
||||
int count,
|
||||
GlEquivalentTypeMapper typeMapper
|
||||
)
|
||||
{
|
||||
List<ManagedParameterDefinition> parameters = new List<ManagedParameterDefinition>(count);
|
||||
for (int index = 0; index < count; index++)
|
||||
{
|
||||
GlParameterDefinition source = command.Parameters[index];
|
||||
parameters.Add(
|
||||
new ManagedParameterDefinition(
|
||||
typeMapper.ReadParameterType(source),
|
||||
source.Name,
|
||||
source));
|
||||
}
|
||||
|
||||
return parameters;
|
||||
}
|
||||
|
||||
private static List<ManagedArgument> ReadParameterArguments(
|
||||
int count
|
||||
)
|
||||
{
|
||||
List<ManagedArgument> arguments = new List<ManagedArgument>(count);
|
||||
for (int index = 0; index < count; index++)
|
||||
{
|
||||
arguments.Add(new ParameterArgument(index));
|
||||
}
|
||||
|
||||
return arguments;
|
||||
}
|
||||
|
||||
private static string ReadComponentType(
|
||||
string suffix
|
||||
)
|
||||
{
|
||||
return suffix switch
|
||||
{
|
||||
"f" => "float",
|
||||
"i" => "int",
|
||||
"ui" => "uint",
|
||||
"d" => "double",
|
||||
_ => throw new InvalidOperationException(
|
||||
$"Unsupported uniform component suffix '{suffix}'."),
|
||||
};
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,23 @@
|
||||
// -----------------------------------------------------------------------------
|
||||
// file="IGlApiFilter"
|
||||
// Project: StgSharp
|
||||
// Copyright (c) Nitload.
|
||||
// SPDX-License-Identifier: MIT
|
||||
// -----------------------------------------------------------------------------
|
||||
|
||||
using System.Collections.Generic;
|
||||
using StgSharp.GenerateGL.Registry;
|
||||
|
||||
namespace StgSharp.GenerateGL.Generation
|
||||
{
|
||||
internal interface IGlApiFilter
|
||||
{
|
||||
|
||||
IReadOnlyList<ManagedMethodDefinition> Apply(
|
||||
GlCommandDefinition command,
|
||||
IReadOnlyList<ManagedMethodDefinition> methods,
|
||||
GlEquivalentTypeMapper typeMapper
|
||||
);
|
||||
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,71 @@
|
||||
// -----------------------------------------------------------------------------
|
||||
// file="ManagedApiModel"
|
||||
// Project: StgSharp
|
||||
// Copyright (c) Nitload.
|
||||
// SPDX-License-Identifier: MIT
|
||||
// -----------------------------------------------------------------------------
|
||||
|
||||
using System.Collections.Generic;
|
||||
using StgSharp.GenerateGL.Registry;
|
||||
|
||||
namespace StgSharp.GenerateGL.Generation
|
||||
{
|
||||
internal sealed record ManagedMethodDefinition(
|
||||
string Name,
|
||||
string ReturnType,
|
||||
IReadOnlyList<ManagedParameterDefinition> Parameters,
|
||||
GlCommandDefinition NativeCommand,
|
||||
ManagedInvocation Invocation,
|
||||
bool WrapHandleReturn = false
|
||||
);
|
||||
|
||||
internal sealed record ManagedParameterDefinition(
|
||||
string Type,
|
||||
string Name,
|
||||
GlParameterDefinition? NativeParameter = null,
|
||||
bool IsHandle = false,
|
||||
bool IsHandleSpan = false
|
||||
);
|
||||
|
||||
internal abstract record ManagedInvocation;
|
||||
|
||||
internal sealed record DirectInvocation(
|
||||
IReadOnlyList<ManagedArgument> Arguments
|
||||
) : ManagedInvocation;
|
||||
|
||||
internal sealed record PinnedSpanInvocation(
|
||||
IReadOnlyList<ManagedArgument> PrefixArguments,
|
||||
int SpanParameterIndex,
|
||||
string ElementType
|
||||
) : ManagedInvocation;
|
||||
|
||||
internal sealed record PinnedVectorSpanInvocation(
|
||||
IReadOnlyList<ManagedArgument> PrefixArguments,
|
||||
int SpanParameterIndex,
|
||||
string ComponentType,
|
||||
string VectorType
|
||||
) : ManagedInvocation;
|
||||
|
||||
internal sealed record Matrix4Invocation(
|
||||
IReadOnlyList<ManagedArgument> PrefixArguments,
|
||||
int TransposeParameterIndex,
|
||||
int MatrixParameterIndex,
|
||||
bool IsSpan
|
||||
) : ManagedInvocation;
|
||||
|
||||
internal abstract record ManagedArgument;
|
||||
|
||||
internal sealed record ParameterArgument(
|
||||
int ParameterIndex
|
||||
) : ManagedArgument;
|
||||
|
||||
internal sealed record VectorComponentArgument(
|
||||
int ParameterIndex,
|
||||
string Component
|
||||
) : ManagedArgument;
|
||||
|
||||
internal sealed record SpanLengthArgument(
|
||||
int ParameterIndex
|
||||
) : ManagedArgument;
|
||||
|
||||
}
|
||||
@@ -0,0 +1,119 @@
|
||||
// -----------------------------------------------------------------------------
|
||||
// file="ManagedApiPlanner"
|
||||
// Project: StgSharp
|
||||
// Copyright (c) Nitload.
|
||||
// SPDX-License-Identifier: MIT
|
||||
// -----------------------------------------------------------------------------
|
||||
|
||||
using System;
|
||||
using System.Collections.Generic;
|
||||
using System.Linq;
|
||||
using StgSharp.GenerateGL.Registry;
|
||||
|
||||
namespace StgSharp.GenerateGL.Generation
|
||||
{
|
||||
internal sealed class ManagedApiPlanner
|
||||
{
|
||||
|
||||
private readonly IReadOnlyList<IGlApiFilter> _filters = Array.AsReadOnly<IGlApiFilter>(
|
||||
new IGlApiFilter[]
|
||||
{
|
||||
new GlOverloadApiFilter(),
|
||||
new GlHandleApiFilter(),
|
||||
});
|
||||
private readonly GlEquivalentTypeMapper _typeMapper;
|
||||
|
||||
public ManagedApiPlanner(
|
||||
GlEquivalentTypeMapper typeMapper
|
||||
)
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(typeMapper);
|
||||
_typeMapper = typeMapper;
|
||||
}
|
||||
|
||||
public IReadOnlyList<ManagedMethodDefinition> Plan(
|
||||
IReadOnlyList<GlCommandDefinition> commands
|
||||
)
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(commands);
|
||||
|
||||
List<ManagedMethodDefinition> result = new List<ManagedMethodDefinition>();
|
||||
foreach (GlCommandDefinition command in commands)
|
||||
{
|
||||
IReadOnlyList<ManagedMethodDefinition> methods = Array.AsReadOnly(
|
||||
new[]
|
||||
{
|
||||
CreateRawMethod(command),
|
||||
});
|
||||
foreach (IGlApiFilter filter in _filters)
|
||||
{
|
||||
methods = filter.Apply(command, methods, _typeMapper);
|
||||
}
|
||||
|
||||
result.AddRange(methods);
|
||||
}
|
||||
|
||||
return Array.AsReadOnly(result.ToArray());
|
||||
}
|
||||
|
||||
public static void Validate(
|
||||
IEnumerable<ManagedMethodDefinition> methods
|
||||
)
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(methods);
|
||||
|
||||
Dictionary<string, ManagedMethodDefinition> signatures = new Dictionary<string, ManagedMethodDefinition>(
|
||||
StringComparer.Ordinal);
|
||||
foreach (ManagedMethodDefinition method in methods)
|
||||
{
|
||||
string signature = $"{method.Name}({string.Join(",", method.Parameters.Select(value => value.Type))})";
|
||||
if (signatures.TryGetValue(signature, out ManagedMethodDefinition? previous))
|
||||
{
|
||||
throw new InvalidOperationException(
|
||||
$"Managed overload '{signature}' is produced by both " +
|
||||
$"'{previous.NativeCommand.Name}' and '{method.NativeCommand.Name}'.");
|
||||
}
|
||||
|
||||
signatures.Add(signature, method);
|
||||
}
|
||||
}
|
||||
|
||||
private ManagedMethodDefinition CreateRawMethod(
|
||||
GlCommandDefinition command
|
||||
)
|
||||
{
|
||||
List<ManagedParameterDefinition> parameters = new List<ManagedParameterDefinition>(
|
||||
command.Parameters.Count);
|
||||
List<ManagedArgument> arguments = new List<ManagedArgument>(
|
||||
command.Parameters.Count);
|
||||
for (int index = 0; index < command.Parameters.Count; index++)
|
||||
{
|
||||
GlParameterDefinition source = command.Parameters[index];
|
||||
parameters.Add(
|
||||
new ManagedParameterDefinition(
|
||||
_typeMapper.ReadParameterType(source),
|
||||
source.Name,
|
||||
source));
|
||||
arguments.Add(new ParameterArgument(index));
|
||||
}
|
||||
|
||||
return new ManagedMethodDefinition(
|
||||
ReadMethodName(command.Name),
|
||||
_typeMapper.ReadReturnType(command),
|
||||
Array.AsReadOnly(parameters.ToArray()),
|
||||
command,
|
||||
new DirectInvocation(Array.AsReadOnly(arguments.ToArray())));
|
||||
}
|
||||
|
||||
private static string ReadMethodName(
|
||||
string commandName
|
||||
)
|
||||
{
|
||||
return commandName.StartsWith("gl", StringComparison.Ordinal) &&
|
||||
commandName.Length > 2
|
||||
? commandName[2..]
|
||||
: commandName;
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
@@ -49,22 +49,41 @@ namespace StgSharp.GenerateGL.Generation
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(registry);
|
||||
|
||||
IReadOnlyList<GlCommandDefinition> commands = ReadCoreCommands(registry);
|
||||
IReadOnlyList<GlCommandGroup> commandGroups = ReadCoreCommandGroups(registry);
|
||||
IReadOnlyList<GlCommandDefinition> commands = Array.AsReadOnly(
|
||||
commandGroups.SelectMany(value => value.Commands).ToArray());
|
||||
GlEquivalentTypeMapper typeMapper = new GlEquivalentTypeMapper(registry);
|
||||
return new GeneratedFileSet(
|
||||
new[]
|
||||
ManagedApiPlanner apiPlanner = new ManagedApiPlanner(typeMapper);
|
||||
List<ManagedCommandGroup> managedGroups = commandGroups.Select(
|
||||
group => new ManagedCommandGroup(
|
||||
group,
|
||||
apiPlanner.Plan(group.Commands))).ToList();
|
||||
ManagedApiPlanner.Validate(
|
||||
managedGroups.SelectMany(value => value.Methods));
|
||||
List<GeneratedFile> files = new List<GeneratedFile>
|
||||
{
|
||||
new GeneratedFile("glconst.cs", GenerateConstants(registry)),
|
||||
new GeneratedFile(
|
||||
"OpenglContext.g.cs",
|
||||
GenerateContext(commands, typeMapper)),
|
||||
};
|
||||
for (int index = 0; index < managedGroups.Count; index++)
|
||||
{
|
||||
ManagedCommandGroup managedGroup = managedGroups[index];
|
||||
GlCommandGroup group = managedGroup.Source;
|
||||
files.Add(
|
||||
new GeneratedFile(
|
||||
"OpenGLFunction.Raw.g.cs",
|
||||
GenerateFunctions(commands, typeMapper)),
|
||||
});
|
||||
group.FileName,
|
||||
GenerateFunctions(
|
||||
managedGroup.Methods,
|
||||
group.Description,
|
||||
index == 0)));
|
||||
}
|
||||
|
||||
private static ReadOnlyCollection<GlCommandDefinition> ReadCoreCommands(
|
||||
return new GeneratedFileSet(files);
|
||||
}
|
||||
|
||||
private static ReadOnlyCollection<GlCommandGroup> ReadCoreCommandGroups(
|
||||
GlRegistryModel registry
|
||||
)
|
||||
{
|
||||
@@ -82,6 +101,8 @@ namespace StgSharp.GenerateGL.Generation
|
||||
List<string> order = new List<string>();
|
||||
HashSet<string> known = new HashSet<string>(StringComparer.Ordinal);
|
||||
HashSet<string> active = new HashSet<string>(StringComparer.Ordinal);
|
||||
Dictionary<string, string> introducedVersions = new Dictionary<string, string>(
|
||||
StringComparer.Ordinal);
|
||||
foreach (GlFeatureDefinition feature in registry.Features.Where(
|
||||
value => string.Equals(value.Api, ApiName, StringComparison.Ordinal)))
|
||||
{
|
||||
@@ -103,6 +124,7 @@ namespace StgSharp.GenerateGL.Generation
|
||||
if (known.Add(reference.Name))
|
||||
{
|
||||
order.Add(reference.Name);
|
||||
introducedVersions.Add(reference.Name, feature.Number);
|
||||
}
|
||||
}
|
||||
else
|
||||
@@ -113,8 +135,72 @@ namespace StgSharp.GenerateGL.Generation
|
||||
}
|
||||
}
|
||||
|
||||
return Array.AsReadOnly(
|
||||
order.Where(active.Contains).Select(value => definitions[value]).ToArray());
|
||||
List<GlCommandDefinition> foundation = new List<GlCommandDefinition>();
|
||||
Dictionary<string, List<GlCommandDefinition>> versionGroups = new Dictionary<string, List<GlCommandDefinition>>(
|
||||
StringComparer.Ordinal);
|
||||
List<string> versionOrder = new List<string>();
|
||||
foreach (string commandName in order.Where(active.Contains))
|
||||
{
|
||||
string version = introducedVersions[commandName];
|
||||
if (IsFoundationVersion(version))
|
||||
{
|
||||
foundation.Add(definitions[commandName]);
|
||||
continue;
|
||||
}
|
||||
|
||||
if (!versionGroups.TryGetValue(
|
||||
version,
|
||||
out List<GlCommandDefinition>? commands))
|
||||
{
|
||||
commands = new List<GlCommandDefinition>();
|
||||
versionGroups.Add(version, commands);
|
||||
versionOrder.Add(version);
|
||||
}
|
||||
|
||||
commands.Add(definitions[commandName]);
|
||||
}
|
||||
|
||||
List<GlCommandGroup> groups = new List<GlCommandGroup>
|
||||
{
|
||||
new GlCommandGroup(
|
||||
"OpenGLFunction.Base.g.cs",
|
||||
"Desktop OpenGL forwarding methods introduced through 3.2 and retained by the target core profile",
|
||||
Array.AsReadOnly(foundation.ToArray())),
|
||||
};
|
||||
foreach (string version in versionOrder)
|
||||
{
|
||||
groups.Add(
|
||||
new GlCommandGroup(
|
||||
$"OpenGLFunction.v{version.Replace('.', '_')}.g.cs",
|
||||
$"Desktop OpenGL {version} core-profile forwarding methods",
|
||||
Array.AsReadOnly(versionGroups[version].ToArray())));
|
||||
}
|
||||
|
||||
return Array.AsReadOnly(groups.ToArray());
|
||||
}
|
||||
|
||||
private static bool IsFoundationVersion(
|
||||
string version
|
||||
)
|
||||
{
|
||||
string[] components = version.Split('.');
|
||||
if (components.Length != 2 ||
|
||||
!int.TryParse(
|
||||
components[0],
|
||||
NumberStyles.None,
|
||||
CultureInfo.InvariantCulture,
|
||||
out int major) ||
|
||||
!int.TryParse(
|
||||
components[1],
|
||||
NumberStyles.None,
|
||||
CultureInfo.InvariantCulture,
|
||||
out int minor))
|
||||
{
|
||||
throw new InvalidDataException(
|
||||
$"OpenGL feature version '{version}' is not a major.minor number.");
|
||||
}
|
||||
|
||||
return major < 3 || major == 3 && minor <= 2;
|
||||
}
|
||||
|
||||
private static bool AppliesToCoreGl(
|
||||
@@ -319,62 +405,53 @@ namespace StgSharp.GenerateGL.Generation
|
||||
}
|
||||
|
||||
private static string GenerateFunctions(
|
||||
IReadOnlyList<GlCommandDefinition> commands,
|
||||
GlEquivalentTypeMapper typeMapper
|
||||
IReadOnlyList<ManagedMethodDefinition> methods,
|
||||
string description,
|
||||
bool includeContextState
|
||||
)
|
||||
{
|
||||
StringBuilder builder = new StringBuilder(512 * 1024);
|
||||
AppendGeneratedHeader(builder, "Desktop OpenGL core forwarding methods");
|
||||
AppendGeneratedHeader(builder, description);
|
||||
builder.Append("using StgSharp.Mathematics.Graphics;\n\n");
|
||||
builder.Append("using System;\n");
|
||||
builder.Append("using System.Runtime.CompilerServices;\n\n");
|
||||
builder.Append("namespace StgSharp.Graphics.OpenGL\n");
|
||||
builder.Append("{\n");
|
||||
builder.Append(" public unsafe partial class OpenGLFunction\n");
|
||||
builder.Append(" {\n");
|
||||
if (includeContextState)
|
||||
{
|
||||
builder.Append("\n private readonly OpenglContext* __context;\n");
|
||||
builder.Append("\n internal OpenGLFunction(OpenglContext* context)\n");
|
||||
builder.Append(" {\n");
|
||||
builder.Append(" __context = context;\n");
|
||||
builder.Append(" }\n");
|
||||
foreach (GlCommandDefinition command in commands)
|
||||
}
|
||||
|
||||
foreach (ManagedMethodDefinition method in methods)
|
||||
{
|
||||
string returnType = typeMapper.ReadReturnType(command);
|
||||
string methodName = ReadMethodName(command.Name);
|
||||
builder.Append("\n [MethodImpl(MethodImplOptions.AggressiveInlining)]\n");
|
||||
builder.Append(" public ");
|
||||
builder.Append(returnType);
|
||||
builder.Append(method.ReturnType);
|
||||
builder.Append(' ');
|
||||
builder.Append(methodName);
|
||||
builder.Append(method.Name);
|
||||
builder.Append('(');
|
||||
for (int index = 0; index < command.Parameters.Count; index++)
|
||||
for (int index = 0; index < method.Parameters.Count; index++)
|
||||
{
|
||||
if (index != 0)
|
||||
{
|
||||
builder.Append(", ");
|
||||
}
|
||||
|
||||
GlParameterDefinition parameter = command.Parameters[index];
|
||||
builder.Append(typeMapper.ReadParameterType(parameter));
|
||||
ManagedParameterDefinition parameter = method.Parameters[index];
|
||||
builder.Append(parameter.Type);
|
||||
builder.Append(' ');
|
||||
builder.Append(EscapeIdentifier(parameter.Name));
|
||||
}
|
||||
|
||||
builder.Append(")\n");
|
||||
builder.Append(" {\n");
|
||||
builder.Append(" ");
|
||||
if (returnType != "void")
|
||||
{
|
||||
builder.Append("return ");
|
||||
}
|
||||
|
||||
builder.Append("__context->");
|
||||
builder.Append(command.Name);
|
||||
builder.Append('(');
|
||||
builder.Append(
|
||||
string.Join(
|
||||
", ",
|
||||
command.Parameters.Select(
|
||||
value => EscapeIdentifier(value.Name))));
|
||||
builder.Append(");\n");
|
||||
AppendInvocation(builder, method);
|
||||
builder.Append(" }\n");
|
||||
}
|
||||
|
||||
@@ -383,14 +460,252 @@ namespace StgSharp.GenerateGL.Generation
|
||||
return builder.ToString();
|
||||
}
|
||||
|
||||
private static string ReadMethodName(
|
||||
string commandName
|
||||
private static void AppendInvocation(
|
||||
StringBuilder builder,
|
||||
ManagedMethodDefinition method
|
||||
)
|
||||
{
|
||||
return commandName.StartsWith("gl", StringComparison.Ordinal) &&
|
||||
commandName.Length > 2
|
||||
? commandName[2..]
|
||||
: commandName;
|
||||
switch (method.Invocation)
|
||||
{
|
||||
case DirectInvocation direct:
|
||||
AppendDirectInvocation(builder, method, direct);
|
||||
break;
|
||||
case PinnedSpanInvocation pinned:
|
||||
AppendPinnedSpanInvocation(builder, method, pinned);
|
||||
break;
|
||||
case PinnedVectorSpanInvocation pinnedVector:
|
||||
AppendPinnedVectorSpanInvocation(builder, method, pinnedVector);
|
||||
break;
|
||||
case Matrix4Invocation matrix:
|
||||
AppendMatrix4Invocation(builder, method, matrix);
|
||||
break;
|
||||
default:
|
||||
throw new InvalidOperationException(
|
||||
$"Unsupported managed invocation '{method.Invocation.GetType().Name}'.");
|
||||
}
|
||||
}
|
||||
|
||||
private static void AppendDirectInvocation(
|
||||
StringBuilder builder,
|
||||
ManagedMethodDefinition method,
|
||||
DirectInvocation invocation
|
||||
)
|
||||
{
|
||||
List<int> fixedParameters = new List<int>();
|
||||
for (int index = 0; index < method.Parameters.Count; index++)
|
||||
{
|
||||
if (method.Parameters[index].IsHandleSpan)
|
||||
{
|
||||
fixedParameters.Add(index);
|
||||
}
|
||||
}
|
||||
|
||||
int indentation = 12;
|
||||
foreach (int parameterIndex in fixedParameters)
|
||||
{
|
||||
ManagedParameterDefinition parameter = method.Parameters[parameterIndex];
|
||||
builder.Append(' ', indentation);
|
||||
builder.Append("fixed (GlHandle* __");
|
||||
builder.Append(parameter.Name);
|
||||
builder.Append(" = ");
|
||||
builder.Append(EscapeIdentifier(parameter.Name));
|
||||
builder.Append(")\n");
|
||||
builder.Append(' ', indentation);
|
||||
builder.Append("{\n");
|
||||
indentation += 4;
|
||||
}
|
||||
|
||||
builder.Append(' ', indentation);
|
||||
if (method.WrapHandleReturn)
|
||||
{
|
||||
builder.Append("return GlHandle.Create(");
|
||||
}
|
||||
else if (method.ReturnType != "void")
|
||||
{
|
||||
builder.Append("return ");
|
||||
}
|
||||
|
||||
AppendNativeCall(builder, method, invocation.Arguments);
|
||||
builder.Append(method.WrapHandleReturn ? ");\n" : ";\n");
|
||||
for (int index = fixedParameters.Count - 1; index >= 0; index--)
|
||||
{
|
||||
indentation -= 4;
|
||||
builder.Append(' ', indentation);
|
||||
builder.Append("}\n");
|
||||
}
|
||||
}
|
||||
|
||||
private static void AppendPinnedSpanInvocation(
|
||||
StringBuilder builder,
|
||||
ManagedMethodDefinition method,
|
||||
PinnedSpanInvocation invocation
|
||||
)
|
||||
{
|
||||
ManagedParameterDefinition span = method.Parameters[invocation.SpanParameterIndex];
|
||||
builder.Append(" fixed (");
|
||||
builder.Append(invocation.ElementType);
|
||||
builder.Append("* __value = ");
|
||||
builder.Append(EscapeIdentifier(span.Name));
|
||||
builder.Append(")\n");
|
||||
builder.Append(" {\n");
|
||||
builder.Append(" __context->");
|
||||
builder.Append(method.NativeCommand.Name);
|
||||
builder.Append('(');
|
||||
AppendArguments(builder, method, invocation.PrefixArguments);
|
||||
if (invocation.PrefixArguments.Count != 0)
|
||||
{
|
||||
builder.Append(", ");
|
||||
}
|
||||
|
||||
builder.Append(EscapeIdentifier(span.Name));
|
||||
builder.Append(".Length, __value);\n");
|
||||
builder.Append(" }\n");
|
||||
}
|
||||
|
||||
private static void AppendPinnedVectorSpanInvocation(
|
||||
StringBuilder builder,
|
||||
ManagedMethodDefinition method,
|
||||
PinnedVectorSpanInvocation invocation
|
||||
)
|
||||
{
|
||||
ManagedParameterDefinition span = method.Parameters[invocation.SpanParameterIndex];
|
||||
string spanName = EscapeIdentifier(span.Name);
|
||||
builder.Append(" fixed (");
|
||||
builder.Append(invocation.VectorType);
|
||||
builder.Append("* __vector = ");
|
||||
builder.Append(spanName);
|
||||
builder.Append(")\n");
|
||||
builder.Append(" {\n");
|
||||
builder.Append(" __context->");
|
||||
builder.Append(method.NativeCommand.Name);
|
||||
builder.Append('(');
|
||||
AppendArguments(builder, method, invocation.PrefixArguments);
|
||||
if (invocation.PrefixArguments.Count != 0)
|
||||
{
|
||||
builder.Append(", ");
|
||||
}
|
||||
|
||||
builder.Append(spanName);
|
||||
builder.Append(".Length, (");
|
||||
builder.Append(invocation.ComponentType);
|
||||
builder.Append("*)__vector);\n");
|
||||
builder.Append(" }\n");
|
||||
}
|
||||
|
||||
private static void AppendMatrix4Invocation(
|
||||
StringBuilder builder,
|
||||
ManagedMethodDefinition method,
|
||||
Matrix4Invocation invocation
|
||||
)
|
||||
{
|
||||
ManagedParameterDefinition transpose = method.Parameters[invocation.TransposeParameterIndex];
|
||||
ManagedParameterDefinition matrix = method.Parameters[invocation.MatrixParameterIndex];
|
||||
string transposeName = EscapeIdentifier(transpose.Name);
|
||||
string matrixName = EscapeIdentifier(matrix.Name);
|
||||
if (invocation.IsSpan)
|
||||
{
|
||||
builder.Append(" fixed (GraphicsMatrix* __value = ");
|
||||
builder.Append(matrixName);
|
||||
builder.Append(")\n");
|
||||
builder.Append(" {\n");
|
||||
builder.Append(" __context->");
|
||||
}
|
||||
else
|
||||
{
|
||||
builder.Append(" __context->");
|
||||
}
|
||||
|
||||
builder.Append(method.NativeCommand.Name);
|
||||
builder.Append('(');
|
||||
AppendArguments(builder, method, invocation.PrefixArguments);
|
||||
if (invocation.PrefixArguments.Count != 0)
|
||||
{
|
||||
builder.Append(", ");
|
||||
}
|
||||
|
||||
builder.Append(invocation.IsSpan ? $"{matrixName}.Length" : "1");
|
||||
builder.Append(", ");
|
||||
builder.Append(transposeName);
|
||||
builder.Append(" ? (byte)1 : (byte)0, (float*)");
|
||||
builder.Append(invocation.IsSpan ? "__value" : $"&{matrixName}");
|
||||
builder.Append(");\n");
|
||||
if (invocation.IsSpan)
|
||||
{
|
||||
builder.Append(" }\n");
|
||||
}
|
||||
}
|
||||
|
||||
private static void AppendNativeCall(
|
||||
StringBuilder builder,
|
||||
ManagedMethodDefinition method,
|
||||
IReadOnlyList<ManagedArgument> arguments
|
||||
)
|
||||
{
|
||||
builder.Append("__context->");
|
||||
builder.Append(method.NativeCommand.Name);
|
||||
builder.Append('(');
|
||||
AppendArguments(builder, method, arguments);
|
||||
builder.Append(')');
|
||||
}
|
||||
|
||||
private static void AppendArguments(
|
||||
StringBuilder builder,
|
||||
ManagedMethodDefinition method,
|
||||
IReadOnlyList<ManagedArgument> arguments
|
||||
)
|
||||
{
|
||||
for (int index = 0; index < arguments.Count; index++)
|
||||
{
|
||||
if (index != 0)
|
||||
{
|
||||
builder.Append(", ");
|
||||
}
|
||||
|
||||
switch (arguments[index])
|
||||
{
|
||||
case ParameterArgument parameterArgument:
|
||||
ManagedParameterDefinition parameter = method.Parameters[
|
||||
parameterArgument.ParameterIndex];
|
||||
string parameterName = EscapeIdentifier(parameter.Name);
|
||||
if (!parameter.IsHandle)
|
||||
{
|
||||
builder.Append(parameterName);
|
||||
}
|
||||
else if (parameter.Type.EndsWith('*'))
|
||||
{
|
||||
builder.Append("(uint*)");
|
||||
builder.Append(parameterName);
|
||||
}
|
||||
else if (parameter.IsHandleSpan)
|
||||
{
|
||||
builder.Append("(uint*)__");
|
||||
builder.Append(parameter.Name);
|
||||
}
|
||||
else
|
||||
{
|
||||
builder.Append(parameterName);
|
||||
builder.Append(".Value");
|
||||
}
|
||||
|
||||
break;
|
||||
case SpanLengthArgument spanLengthArgument:
|
||||
builder.Append(
|
||||
EscapeIdentifier(
|
||||
method.Parameters[spanLengthArgument.ParameterIndex].Name));
|
||||
builder.Append(".Length");
|
||||
break;
|
||||
case VectorComponentArgument componentArgument:
|
||||
builder.Append(
|
||||
EscapeIdentifier(
|
||||
method.Parameters[componentArgument.ParameterIndex].Name));
|
||||
builder.Append('.');
|
||||
builder.Append(componentArgument.Component);
|
||||
break;
|
||||
default:
|
||||
throw new InvalidOperationException(
|
||||
$"Unsupported managed argument '{arguments[index].GetType().Name}'.");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private static string EscapeIdentifier(
|
||||
@@ -418,5 +733,16 @@ namespace StgSharp.GenerateGL.Generation
|
||||
string Literal
|
||||
);
|
||||
|
||||
private sealed record GlCommandGroup(
|
||||
string FileName,
|
||||
string Description,
|
||||
IReadOnlyList<GlCommandDefinition> Commands
|
||||
);
|
||||
|
||||
private sealed record ManagedCommandGroup(
|
||||
GlCommandGroup Source,
|
||||
IReadOnlyList<ManagedMethodDefinition> Methods
|
||||
);
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user