60 lines
1.5 KiB
C#
60 lines
1.5 KiB
C#
using StgSharp.Math;
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using System;
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using System.Collections.Generic;
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using System.Runtime.InteropServices;
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using System.Text;
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namespace StgSharp.Graphics
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{
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internal unsafe struct ElementBuffer : IDisposable
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{
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uint _bufferID;
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public ElementBuffer(int n)
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{
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fixed (uint* id = &_bufferID)
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{
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Graphic.glGenBuffers(n, id);
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}
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}
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public void Bind()
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{
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Graphic.glBindBuffer(GLFW.GL_ELEMENT_ARRAY_BUFFER, _bufferID);
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}
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public void SetData<T>(T bufferData, BufferReadType readType) where T : IMat
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{
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int size = Marshal.SizeOf(bufferData);
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Graphic.glBufferData(
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(int)BufferType.ELEMENT_ARRAY_BUFFER,
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size,
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&bufferData,
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(int)readType);
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}
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public void SetData<T>(T[] bufferArray, BufferReadType readType) where T : struct, IConvertible
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{
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int size = bufferArray.Length * Marshal.SizeOf(typeof(T));
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fixed (void* bufferPtr = &bufferArray[0])
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Graphic.glBufferData(
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(int)BufferType.ELEMENT_ARRAY_BUFFER,
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size,
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bufferPtr,
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(int)readType);
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}
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public void Dispose()
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{
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fixed (uint* id = &_bufferID)
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{
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Graphic.glDeleteBuffers(1, id);
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}
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}
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}
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}
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