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#region License
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/* FNA - XNA4 Reimplementation for Desktop Platforms
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* Copyright 2009-2020 Ethan Lee and the MonoGame Team
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*
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* Released under the Microsoft Public License.
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* See LICENSE for details.
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*/
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#endregion
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#region Using Statements
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using System;
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using System.Runtime.InteropServices;
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#endregion
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namespace Microsoft.Xna.Framework.Graphics
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{
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public class DynamicVertexBuffer : VertexBuffer
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{
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#region Public Properties
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public bool IsContentLost
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{
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get
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{
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return false;
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}
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}
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#endregion
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#region ContentLost Event
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#pragma warning disable 0067
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// We never lose data, but lol XNA4 compliance -flibit
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public event EventHandler<EventArgs> ContentLost;
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#pragma warning restore 0067
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#endregion
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#region Public Constructors
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public DynamicVertexBuffer(
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GraphicsDevice graphicsDevice,
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VertexDeclaration vertexDeclaration,
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int vertexCount,
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BufferUsage bufferUsage
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) : base(
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graphicsDevice,
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vertexDeclaration,
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vertexCount,
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bufferUsage,
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true
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) {
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}
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public DynamicVertexBuffer(
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GraphicsDevice graphicsDevice,
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Type type,
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int vertexCount,
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BufferUsage bufferUsage
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) : base(
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graphicsDevice,
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VertexDeclaration.FromType(type),
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vertexCount,
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bufferUsage,
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true
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) {
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}
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#endregion
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#region Public SetData Methods
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public void SetData<T>(
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int offsetInBytes,
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T[] data,
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int startIndex,
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int elementCount,
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int vertexStride,
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SetDataOptions options
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) where T : struct {
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ErrorCheck(data, startIndex, elementCount, vertexStride);
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GCHandle handle = GCHandle.Alloc(data, GCHandleType.Pinned);
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GraphicsDevice.GLDevice.SetVertexBufferData(
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buffer,
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offsetInBytes,
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handle.AddrOfPinnedObject() + (startIndex * Marshal.SizeOf(typeof(T))),
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elementCount * Marshal.SizeOf(typeof(T)),
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options
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);
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handle.Free();
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}
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public void SetData<T>(
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T[] data,
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int startIndex,
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int elementCount,
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SetDataOptions options
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) where T : struct {
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ErrorCheck(data, startIndex, elementCount, Marshal.SizeOf(typeof(T)));
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GCHandle handle = GCHandle.Alloc(data, GCHandleType.Pinned);
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GraphicsDevice.GLDevice.SetVertexBufferData(
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buffer,
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0,
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handle.AddrOfPinnedObject() + (startIndex * Marshal.SizeOf(typeof(T))),
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elementCount * Marshal.SizeOf(typeof(T)),
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options
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);
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handle.Free();
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}
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#endregion
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}
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}
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