public Mesh(GeometryData data)
{
VertexCount = data.VertexCount;
VertexArrayObject = GL.GenVertexArray();
GL.BindVertexArray(VertexArrayObject);
Buffer = GL.GenBuffer();
GL.BindBuffer(BufferTarget.ArrayBuffer, Buffer);
GL.BufferData(BufferTarget.ArrayBuffer, data.Data.Length, data.Data, BufferUsageHint.StaticDraw);
ElementBuffer = GL.GenBuffer();
GL.BindBuffer(BufferTarget.ElementArrayBuffer, ElementBuffer);
GL.BufferData(BufferTarget.ElementArrayBuffer, data.Indices.Length * 4, data.Indices, BufferUsageHint.StaticDraw);
MeshHelper.ApplyVertexAttribs(data.Attribs);
ElementBufferSize = data.Indices.Length;
GL.BindVertexArray(0);
GL.BindBuffer(BufferTarget.ArrayBuffer, 0);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, 0);
}
public Mesh(GeometryData data)
{
VertexCount = data.VertexCount;
VertexArrayObject = GL.GenVertexArray();
if (VertexArrayObject == 0)
{
throw new Exception(GL.GetError().ToString());
}
GL.BindVertexArray(VertexArrayObject);
Buffer = GL.GenBuffer();
if (Buffer == 0)
{
throw new Exception(GL.GetError().ToString());
}
GL.BindBuffer(BufferTarget.ArrayBuffer, Buffer);
GL.BufferData(BufferTarget.ArrayBuffer, data.Data.Length, data.Data, BufferUsageHint.StaticDraw);
ElementBuffer = GL.GenBuffer();
GL.BindBuffer(BufferTarget.ElementArrayBuffer, ElementBuffer);
GL.BufferData(BufferTarget.ElementArrayBuffer, data.Indices.Length * 4, data.Indices, BufferUsageHint.StaticDraw);
MeshHelper.ApplyVertexAttribs(data.Attribs, InstanceBuffer);
ElementBufferSize = data.Indices.Length;
GL.BindVertexArray(0);
GL.BindBuffer(BufferTarget.ArrayBuffer, 0);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, 0);
}