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using Ryujinx.Graphics.Shader.StructuredIr;
using Ryujinx.Graphics.Shader.Translation;
using System.Text;
namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
{
class CodeGenContext
{
public const string Tab = " ";
public StructuredFunction CurrentFunction { get; set; }
public StructuredProgramInfo Info { get; }
public AttributeUsage AttributeUsage { get; }
public ShaderDefinitions Definitions { get; }
public ShaderProperties Properties { get; }
public HostCapabilities HostCapabilities { get; }
public ILogger Logger { get; }
public TargetApi TargetApi { get; }
public OperandManager OperandManager { get; }
private readonly StringBuilder _sb;
private int _level;
private string _indentation;
public CodeGenContext(StructuredProgramInfo info, CodeGenParameters parameters)
{
Info = info;
AttributeUsage = parameters.AttributeUsage;
Definitions = parameters.Definitions;
Properties = parameters.Properties;
HostCapabilities = parameters.HostCapabilities;
Logger = parameters.Logger;
TargetApi = parameters.TargetApi;
OperandManager = new OperandManager();
_sb = new StringBuilder();
}
public void AppendLine()
{
_sb.AppendLine();
}
public void AppendLine(string str)
{
_sb.AppendLine(_indentation + str);
}
public string GetCode()
{
return _sb.ToString();
}
public void EnterScope()
{
AppendLine("{");
_level++;
UpdateIndentation();
}
public void LeaveScope(string suffix = "")
{
if (_level == 0)
{
return;
}
_level--;
UpdateIndentation();
AppendLine("}" + suffix);
}
public StructuredFunction GetFunction(int id)
{
return Info.Functions[id];
}
private void UpdateIndentation()
{
_indentation = GetIndentation(_level);
}
private static string GetIndentation(int level)
{
StringBuilder indentationBuilder = new();
for (int index = 0; index < level; index++)
{
indentationBuilder.Append(Tab);
}
return indentationBuilder.ToString();
}
}
}
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