public ProcessFullImageTask(string imageNameSource, DProcessPixel processor, string imageNameTarget)
{
SourceImageFileName = imageNameSource;
TargetImageFileName = imageNameTarget;
PixelProcessor = processor;
ThreadsToUse = 768;
MaxFragmentWidth = 16;
MaxFragmentHeight = 16;
}
private bool CompileShader(string line, string shaderPath, out DProcessPixel shader)
{
shader = null;
try
{
var shaderCode = File.ReadAllText(shaderPath);
shaderCode = @"
using System.Drawing;
using System.Drawing.Imaging;
using ImageProcessing;
using ImageProcessing.SharpShader;
namespace Shader {
public class ShaderClass {
" + shaderCode + @"
}
}";
var providerOptions = new Dictionary <string, string>
{
//{"CompilerVersion", "v4.5"}
};
var compilerParams = new CompilerParameters
{
GenerateExecutable = false,
ReferencedAssemblies = { "System.Core.dll", "System.Drawing.dll", "ImageProcessing.dll" },
GenerateInMemory = true,
//OutputAssembly = shaderPath + ".dll"
};
var provider = CodeDomProvider.CreateProvider("C#", providerOptions);//new CSharpCodeProvider(providerOptions);
var results = provider.CompileAssemblyFromSource(compilerParams, shaderCode);
if (results.Errors.Count > 0)
{
LastLoadMessages = FormErrorMessage(line, "Shader code at '{0}' compilation failed, errors are:",
shaderPath);
foreach (var error in results.Errors)
{
LastLoadMessages += Environment.NewLine + error;
}
return(false);
}
var ass = results.CompiledAssembly;
var shaderClass = ass.GetType("Shader.ShaderClass");
var shaderInfo = shaderClass.GetMethod("main");/*, BindingFlags.Static, null, new []
* {
* typeof(int), typeof(int), typeof(ImageProcessingThreadContext)
* }, null*/
if (shaderInfo == null)
{
LastLoadMessages = FormErrorMessage(line, @"Shader code at '{0}' compilation failed - no 'main' function found.",
shaderPath);
return(false);
}
var parms = shaderInfo.GetParameters();
if (!shaderInfo.IsStatic || shaderInfo.ReturnType != typeof(void) ||
!shaderInfo.IsPublic || parms.Length != 3 ||
parms[0].ParameterType != typeof(int) ||
parms[1].ParameterType != typeof(int) ||
parms[2].ParameterType != typeof(ImageProcessingThreadContext))
{
LastLoadMessages = FormErrorMessage(line, @"Shader code at '{0}' compilation failed - 'main' function should be: public static void main(int, int, ImageProcessingThreadContext).",
shaderPath);
return(false);
}
_shaders.Add(shaderInfo);//to keap shaderInfo in the heap (neaded?)
shader = (x, y, context) => shaderInfo.Invoke(null, new object[] { x, y, context });
}
catch (Exception ex)
{
LastLoadMessages = FormErrorMessage(line, "Shader code at '{0}' compilation failed, exception: {1}",
shaderPath, ex.Message);
return(false);
}
return(true);
}