/// <summary>
/// Returns the human readble SPIR-V representation of the shader
/// </summary>
public bool GetReadableSPIRV(ShaderFile shaderFile, out List <string> spirvOutput)
{
List <string> output = new List <string>();
spirvOutput = output;
string title = name;
string msg;
if (GlslangCompiler.Locate(package as SPIRVExtensionPackage) == null)
{
msg = "Could not locate the glslang reference compiler (glslangvalidator.exe) in system path!";
VsShellUtilities.ShowMessageBox(ServiceProvider, msg, title, OLEMSGICON.OLEMSGICON_CRITICAL, OLEMSGBUTTON.OLEMSGBUTTON_OK, OLEMSGDEFBUTTON.OLEMSGDEFBUTTON_FIRST);
OutputWindow.Add(msg);
return(false);
}
List <string> validatorOutput;
bool res = GlslangCompiler.GetHumanReadableSPIRV(shaderFile.fileName, out validatorOutput, package as SPIRVExtensionPackage);
if (res)
{
spirvOutput = validatorOutput;
}
else
{
msg = string.Format(CultureInfo.CurrentCulture, "Could not get human readable SPIR-V for shader \"{0}\" ", shaderFile.fileName) + "\n";
Debug.Write(msg);
VsShellUtilities.ShowMessageBox(ServiceProvider, msg, title, OLEMSGICON.OLEMSGICON_CRITICAL, OLEMSGBUTTON.OLEMSGBUTTON_OK, OLEMSGDEFBUTTON.OLEMSGDEFBUTTON_FIRST);
ParseErrors(validatorOutput, shaderFile);
msg += string.Join("\n", validatorOutput);
OutputWindow.Add(msg);
}
return(res);
}
/// <summary>
/// Parse error output from the reference compiler and add it to the error list
/// </summary>
/// <param name="validatorOutput">Output of the reference compiler</param>
/// <param name="shaderFile">Shader file info for which the validator output has been generated</param>
public void ParseErrors(List <string> validatorOutput, ShaderFile shaderFile)
{
foreach (string line in validatorOutput)
{
// Examples:
// ERROR: 0:26: 'aaa' : undeclared identifier
// ERROR: E:\Vulkan\public\Vulkan\data\shaders\indirectdraw\ground.frag:16: '' : function does not return a value: test
MatchCollection matches = Regex.Matches(line, @":\d+:\s", RegexOptions.IgnoreCase | RegexOptions.RightToLeft);
if (matches.Count > 0)
{
// Line
int errorLine = Convert.ToInt32(matches[0].Value.Replace(":", ""));
// Error message
string msg = line;
Match match = Regex.Match(line, @"ERROR:\s.*\d+:(.*)", RegexOptions.IgnoreCase);
if (match.Success)
{
msg = match.Groups[1].Value;
}
ErrorList.Add(msg, shaderFile.fileName, errorLine, 0, shaderFile.hierarchy);
}
}
}