/// <summary>
/// Deserializes the object and populates it from the input.
/// </summary>
/// <param name="input">Savable input</param>
/// <exception cref="Tesla.Core.TeslaException">Thrown if creating the underlying implementation fails or the render
/// system is not set.</exception>
public void Read(ISavableReader input)
{
IRenderSystemProvider renderSystem = input.RenderSystem;
if (renderSystem == null)
{
Dispose();
throw new TeslaException("Render system provider not set, cannot create graphics resource implementation.");
}
base.RenderSystem = renderSystem;
String name = input.ReadString();
VertexDeclaration decl = input.ReadSavable <VertexDeclaration>();
int vertexCount = input.ReadInt();
ResourceUsage usage = input.ReadEnum <ResourceUsage>();
byte[] byteBuffer = input.ReadByteArray();
try {
_impl = renderSystem.CreateVertexBufferImplementation(decl, vertexCount, usage);
_impl.Name = name;
SetData <byte>(byteBuffer);
} catch (Exception e) {
Dispose();
throw new TeslaException("Error creating underlying implementation, see inner exception for details.", e);
}
}
/// <summary>
/// Creates a new instance of <see cref="VertexBuffer"/>.
/// </summary>
/// <param name="renderSystem">Render system used to create the underlying implementation.</param>
/// <param name="declaration">Vertex declaration that defines the vertex data of this buffer</param>
/// <param name="usage">Buffer usage, either static or dynamic</param>
/// <param name="data">Vertex data</param>
/// <exception cref="System.ArgumentNullException">Thrown if the render system is null.</exception>
/// <exception cref="Tesla.Core.TeslaException">Thrown if creating or writing to the underlying buffer fails.</exception>
public VertexBuffer(IRenderSystemProvider renderSystem, VertexDeclaration declaration, ResourceUsage usage, DataBuffer data)
{
if (renderSystem == null)
{
Dispose();
throw new ArgumentNullException("renderSystem", "Render system cannot be null.");
}
base.RenderSystem = renderSystem;
try {
_impl = renderSystem.CreateVertexBufferImplementation(declaration, usage, data);
} catch (Exception e) {
Dispose();
throw new TeslaException("Error creating underlying implementation, see inner exception for details.", e);
}
}
/// <summary>
/// Creates a new instance of <see cref="VertexBuffer"/>.
/// </summary>
/// <param name="declaration">Vertex declaration that defines the vertex data this buffer will contain</param>
/// <param name="vertexCount">Number of vertices the buffer will contain</param>
/// <param name="usage">Buffer usage, either static or dynamic</param>
/// <exception cref="Tesla.Core.TeslaException">Thrown if creating underlying buffer fails or the render system
/// was not initialized.</exception>
public VertexBuffer(VertexDeclaration declaration, int vertexCount, ResourceUsage usage)
{
IRenderSystemProvider renderSystem = Engine.Services.GetService <IRenderSystemProvider>();
if (renderSystem == null)
{
Dispose();
throw new TeslaException("Render system provider not set, cannot create graphics resource implementation.");
}
base.RenderSystem = renderSystem;
try {
_impl = renderSystem.CreateVertexBufferImplementation(declaration, vertexCount, usage);
} catch (Exception e) {
Dispose();
throw new TeslaException("Error creating underlying implementation, see inner exception for details.", e);
}
}
