/// <summary>
/// Creates a build step that will build all shaders from system packages.
/// </summary>
/// <param name="session">The session used to retrieve currently used system packages.</param>
/// <returns>A <see cref="ListBuildStep"/> containing the steps to build all shaders from system packages.</returns>
/// <exception cref="ArgumentNullException"><paramref name="session"/> is a <c>null</c> reference.</exception>
public ListBuildStep CreateSystemShaderBuildSteps(SessionViewModel session)
{
if (session is null)
{
throw new ArgumentNullException(nameof(session));
}
// Check if there are any new system projects to preload
// TODO: PDX-1251: For now, allow non-system project as well (which means they will be loaded only once at startup)
// Later, they should be imported depending on what project the currently previewed/built asset is
var systemPackages = session.AllPackages.Where(project => /*project.IsSystem &&*/ !systemProjectsLoaded.Contains(project.Package.Meta.Name)).ToList();
if (systemPackages.Count == 0)
{
return(null);
}
var importShadersRootProject = new StandalonePackage(new Package());
var importShadersProjectSession = new PackageSession();
importShadersProjectSession.Projects.Add(importShadersRootProject);
foreach (var package in systemPackages)
{
var mapPackage = new Package {
FullPath = package.PackagePath
};
foreach (var asset in package.Assets)
{
if (typeof(EffectShaderAsset).IsAssignableFrom(asset.AssetType))
{
mapPackage.Assets.Add(new AssetItem(asset.Url, asset.Asset)
{
SourceFolder = asset.AssetItem.SourceFolder, AlternativePath = asset.AssetItem.AlternativePath
});
}
}
importShadersProjectSession.Projects.Add(new StandalonePackage(mapPackage));
importShadersRootProject.FlattenedDependencies.Add(new Dependency(mapPackage));
}
// Compile the fake project (create the build steps)
var assetProjectCompiler = new PackageCompiler(new PackageAssetEnumerator(importShadersRootProject.Package));
var context = new AssetCompilerContext {
CompilationContext = typeof(AssetCompilationContext)
};
var dependenciesCompileResult = assetProjectCompiler.Prepare(context);
context.Dispose();
var buildSteps = dependenciesCompileResult.BuildSteps;
buildSteps?.Add(new UpdateImportShaderCacheBuildStep(systemProjectsLoaded, systemPackages.Select(x => x.Package.Meta.Name).ToList()));
return(buildSteps);
}
public override void Dispose()
{
DigitalProducts.ForEach(o => o.Dispose());
DigitalProducts.Clear();
StandalonePackage.Dispose();
StandalonePackage = null;
DigitalProductSummary = null;
base.Dispose();
}
public ListBuildStep CreateUserShaderBuildSteps(SessionViewModel session)
{
var packages = session.AllPackages.Where(project => !project.Package.IsSystem).ToList();
if (packages.Count == 0)
{
return(null);
}
var importShadersRootProject = new StandalonePackage(new Package());
var importShadersProjectSession = new PackageSession();
importShadersProjectSession.Projects.Add(importShadersRootProject);
foreach (var package in packages)
{
var mapPackage = new Package {
FullPath = package.PackagePath
};
foreach (var asset in package.Assets)
{
if (typeof(EffectShaderAsset).IsAssignableFrom(asset.AssetType))
{
mapPackage.Assets.Add(new AssetItem(asset.Url, asset.Asset)
{
SourceFolder = asset.AssetItem.SourceFolder, AlternativePath = asset.AssetItem.AlternativePath
});
}
}
importShadersProjectSession.Projects.Add(new StandalonePackage(mapPackage));
importShadersRootProject.FlattenedDependencies.Add(new Dependency(mapPackage));
}
// compile the fake project (create the build steps)
var assetProjectCompiler = new PackageCompiler(new PackageAssetEnumerator(importShadersRootProject.Package));
var dependenciesCompileResult = assetProjectCompiler.Prepare(new AssetCompilerContext {
CompilationContext = typeof(AssetCompilationContext)
});
var buildSteps = dependenciesCompileResult.BuildSteps;
buildSteps?.Add(new UpdateImportShaderCacheBuildStep(new HashSet <string>(), packages.Select(x => x.Package.Meta.Name).ToList()));
return(buildSteps);
}