/// <inheritdoc/>
public override void Initialize(EffectContext effectContext, TransformGraph transformGraph)
{
var path = Windows.ApplicationModel.Package.Current.InstalledLocation.Path;
effectContext.LoadPixelShader(GUID_RipplePixelShader, NativeFile.ReadAllBytes(path + "\\Ripple.cso"));
transformGraph.SetSingleTransformNode(this);
}
//EffectContext _effectContext;
public override void Initialize(EffectContext effectContext, TransformGraph transformGraph)
{
//WARNING : as soon as TransformGraph.SetSingleTransformNode is called it chain calls the
//SetDrawInformation via a callbac. Unfortunately this is too early because the code below
//within this method is used to populate stateful data needed by the SetDrawInformation call.
//transformGraph.SetSingleTransformNode(this);
var path = Windows.ApplicationModel.Package.Current.InstalledLocation.Path;
byte[] vertexShaderBytecode = NativeFile.ReadAllBytes(path + "\\WaveEffect.cso");
effectContext.LoadVertexShader(GUID_WaveVertexShader, vertexShaderBytecode);
// Only generate the vertex buffer if it has not already been initialized.
vertexBuffer = effectContext.FindVertexBuffer(GUID_WaveVertexBuffer);
if (vertexBuffer == null)
{
//InitializeVertexBuffer(effectContext);
var mesh = GenerateMesh();
// Updating geometry every time the effect is rendered can be costly, so it is
// recommended that vertex buffer remain static if possible (which it is in this
// sample effect).
using (var stream = DataStream.Create(mesh, true, true))
{
var vbProp = new VertexBufferProperties(1, VertexUsage.Static, stream);
var cvbProp = new CustomVertexBufferProperties(vertexShaderBytecode, new[] {
new InputElement("MESH_POSITION", 0, SharpDX.DXGI.Format.R32G32_Float, 0, 0),
}, Utilities.SizeOf <Vector2>());
// The GUID is optional, and is provided here to register the geometry globally.
// As mentioned above, this avoids duplication if multiple versions of the effect
// are created.
vertexBuffer = new VertexBuffer(effectContext, GUID_WaveVertexBuffer, vbProp, cvbProp);
}
}
PrepareForRender(ChangeType.Properties | ChangeType.Context);
transformGraph.SetSingleTransformNode(this);
}