46 lines
No EOL
1.7 KiB
C#
46 lines
No EOL
1.7 KiB
C#
using System;
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using System.Collections.Generic;
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using OpenTK;
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using OpenTK.Graphics.OpenGL4;
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namespace SM.OGL.Mesh
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{
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public class VBO : List<float>
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{
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public BufferUsageHint BufferUsageHint;
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public VertexAttribPointerType PointerType;
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public int PointerSize;
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public bool Normalised;
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public int PointerStride;
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public int PointerOffset;
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public VBO(BufferUsageHint bufferUsageHint = BufferUsageHint.StaticDraw,
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VertexAttribPointerType pointerType = VertexAttribPointerType.Float, int pointerSize = 3,
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int pointerStride = 0, int pointerOffset = 0, bool normalised = false)
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{
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BufferUsageHint = bufferUsageHint;
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PointerType = pointerType;
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PointerSize = pointerSize;
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PointerStride = pointerStride;
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PointerOffset = pointerOffset;
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Normalised = normalised;
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}
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public void Add(float x, float y) => AddRange(new[] {x,y});
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public void Add(float x, float y, float z) => AddRange(new[] {x,y,z});
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public void Add(float x, float y, float z, float w) => AddRange(new[] {x,y,z,w});
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public void BindBuffer(int attribID)
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{
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float[] data = ToArray();
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int buffer = GL.GenBuffer();
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GL.BindBuffer(BufferTarget.ArrayBuffer, buffer);
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GL.BufferData(BufferTarget.ArrayBuffer, data.Length * Mesh.BufferSizeMultiplier, data, BufferUsageHint);
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GL.VertexAttribPointer(attribID, PointerSize, PointerType, Normalised, PointerStride, PointerOffset);
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GL.EnableVertexAttribArray(attribID);
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GL.BindBuffer(BufferTarget.ArrayBuffer, 0);
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}
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}
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} |