/// <summary>
/// Actually create this GraphicsResource resources.
/// </summary>
/// <param name="ctx">
/// A <see cref="GraphicsContext"/> used for allocating resources.
/// </param>
/// <remarks>
/// All resources linked with <see cref="LinkResource(IGraphicsResource)"/> will be automatically created.
/// </remarks>
protected override void CreateObject(GraphicsContext ctx)
{
// Bounding box - Shared program
LinkResource(_BoundingVolumeProgram = ctx.CreateProgram("OpenGL.Standard"));
// Bounding box - Shared arrays
const string BoundBoxArraysId = "SceneObjectGeometry.BoundingVolumeArrays";
VertexArrays boundingBoxArrays = (VertexArrays)ctx.GetSharedResource(BoundBoxArraysId);
if (_BoundingVolume != null && boundingBoxArrays == null)
{
boundingBoxArrays = CreateBoundingVolumeArrays(_BoundingVolume);
ctx.SetSharedResource(BoundBoxArraysId, boundingBoxArrays);
}
if (boundingBoxArrays != null)
{
LinkResource(_BoundingVolumeArray = boundingBoxArrays);
}
// Create geometry state, if necessary
if (VertexArray != null && VertexArray.Exists(ctx) == false)
{
VertexArray.Create(ctx);
}
// Define program, if necessary
if (Program == null && ProgramTag != null)
{
Program = ctx.CreateProgram(ProgramTag);
}
// Create program, if necessary
if (Program != null && Program.Exists(ctx) == false)
{
Program.Create(ctx);
}
// Create instance-only resources
foreach (Geometry geometry in _GeometryInstances)
{
geometry.Create(ctx);
}
// Create object state, but associating state to program
ObjectState.Create(ctx, Program);
// Base implementation
base.CreateObject(ctx);
}
/// <summary>
/// Actually create this GraphicsResource resources.
/// </summary>
/// <param name="ctx">
/// A <see cref="GraphicsContext"/> used for allocating resources.
/// </param>
/// <remarks>
/// All resources linked with <see cref="LinkResource(IGraphicsResource)"/> will be automatically created.
/// </remarks>
protected override void CreateObject(GraphicsContext ctx)
{
// Create geometry state, if necessary
if (VertexArray != null && VertexArray.Exists(ctx) == false)
{
VertexArray.Create(ctx);
}
// Define program, if necessary
if (Program == null && ProgramTag != null)
{
Program = ctx.CreateProgram(ProgramTag);
}
// Create program, if necessary
if (Program != null && Program.Exists(ctx) == false)
{
Program.Create(ctx);
}
// Create instance-only resources
foreach (Geometry geometry in _GeometryInstances)
{
geometry.Create(ctx);
}
// In place base.CreateObject implementation
// Create object state
ObjectState.Create(ctx, Program);
// Base implementation
base.CreateObject(ctx);
// Propagate creation to hierarchy
foreach (SceneObject sceneGraphObject in _Children)
{
sceneGraphObject.Create(ctx);
}
}
