Method DisassembleShader

qrenderdoc/Code/Interface/ShaderProcessingTool.cpp:255–314

}

ShaderToolOutput ShaderProcessingTool::DisassembleShader(QWidget *window,
                                                         const ShaderReflection *shaderDetails,
                                                         rdcstr arguments) const
{
  QStringList argList = ParseArgsList(arguments.isEmpty() ? DefaultArguments() : arguments);
  // always append IO arguments for known tools, so we read/write to our own files and override any
  // dangling output specified file in the embedded command line
  argList.append(ParseArgsList(IOArguments()));

  QString input_file, output_file;

  input_file = tmpPath(lit("shader_input"));

  QString spirvVer = lit("spirv1.0");
  for(const ShaderCompileFlag &flag : shaderDetails->debugInfo.compileFlags.flags)
    if(flag.name == "@spirver")
      spirvVer = flag.value;

  // replace arguments after expansion to avoid problems with quoting paths etc
  for(QString &arg : argList)
  {
    if(arg == lit("{input_file}"))
      arg = input_file;
    if(arg == lit("{output_file}"))
      arg = output_file = tmpPath(lit("shader_output"));
    if(arg == lit("{entry_point}"))
    {
      arg = shaderDetails->entryPoint;
      if(arg.isEmpty())
        arg = lit("main");
    }

    // substring replacements to enable e.g. {hlsl_stage2}_6_0 and ={vulkan_ver}
    arg.replace(lit("{glsl_stage4}"), glsl_stage4[int(shaderDetails->stage)]);
    arg.replace(lit("{hlsl_stage2}"), hlsl_stage2[int(shaderDetails->stage)]);
    arg.replace(lit("{full_stage}"), full_stage[int(shaderDetails->stage)]);
    arg.replace(lit("{spirv_ver}"), spirvVer);
    arg.replace(lit("{vulkan_ver}"), vulkanVerForSpirVer(spirvVer));
  }

  QFile binHandle(input_file);
  if(binHandle.open(QFile::WriteOnly | QIODevice::Truncate))
  {
    binHandle.write(
        QByteArray((const char *)shaderDetails->rawBytes.data(), shaderDetails->rawBytes.count()));
    binHandle.close();
  }
  else
  {
    ShaderToolOutput ret;

    ret.log = QApplication::translate("ShaderProcessingTool",
                                      "ERROR: Couldn't write input to temporary file '%1'")
                  .arg(input_file);

    return ret;
  }