public bool CompileShader(string techniqueName, ShaderDescriptionViewModel vmShader, out ShaderDescription shaderObject, out IEnumerable <ErrorViewModel> errors)
{
List <ErrorModel> errorList;
CompilationResult compilationResult = Compile(vmShader, out errorList);
bool result = compilationResult != null && !compilationResult.HasErrors;
vmShader.CompilationStatus = result ? CompilationStatus.Successful : CompilationStatus.Failed;
if (!result)
{
errors = errorList.Select(e => new ErrorViewModel {
ErrorModel = e
});
shaderObject = null;
}
else
{
var references = vmShader.ShaderDescriptionModel.Shader.References;
var textureReferences = vmShader.ShaderDescriptionModel.Shader.TextureReferences;
var samplerReferences = vmShader.ShaderDescriptionModel.Shader.SamplerReferences;
shaderObject = new ShaderDescription(vmShader.Name, vmShader.Type, vmShader.FeatureLevel,
compilationResult.Bytecode, references, textureReferences, samplerReferences);
errors = null;
}
return(result);
}
private void ShaderList_DragOver(object sender, DragEventArgs e)
{
e.Effects = DragDropEffects.None;
var item = ItemsControl.ContainerFromElement(ShaderList, e.OriginalSource as DependencyObject) as ListBoxItem;
if (item != null)
{
ShaderDescriptionViewModel sVm = item.Content as ShaderDescriptionViewModel;
if (sVm == null)
{
e.Effects = DragDropEffects.None;
return;
}
if (e.Data.GetDataPresent(typeof(TechniqueMappingViewModel)) && !sVm.Techniques.Contains(e.Data.GetData(typeof(TechniqueMappingViewModel))))
{
e.Effects = DragDropEffects.Link;
}
}
}
private void ShaderList_Drop(object sender, DragEventArgs e)
{
var item = ItemsControl.ContainerFromElement(ShaderList, e.OriginalSource as DependencyObject) as ListBoxItem;
if (item != null && e.Data.GetDataPresent(typeof(TechniqueMappingViewModel)))
{
TechniqueMappingViewModel tMapping = (TechniqueMappingViewModel)e.Data.GetData(typeof(TechniqueMappingViewModel));
ShaderDescriptionViewModel sVM = ((ShaderDescriptionViewModel)item.Content);
var vmLocator = ((ViewModelLocator)System.Windows.Application.Current.FindResource("Locator"));
foreach (var shader in vmLocator.Compilation.Shaders.OfType <ShaderDescriptionViewModel>())
{
if (shader.Name != sVM.Name && shader.Type == sVM.Type && shader.Techniques.Contains(tMapping))
{
shader.RemoveTechnique(tMapping);
}
}
sVM.AssignTechnique(tMapping);
}
}
