public int CreateIndexBuffer(int sizeInBytes, OpenGL20BufferMode mode)
{
uint bufferHandle = GLHelper.GenBuffer();
GLCore.BindBuffer(BufferTarget.ElementArrayBuffer, bufferHandle);
GLCore.BufferData(BufferTarget.ElementArrayBuffer, (IntPtr)sizeInBytes, IntPtr.Zero, GetBufferMode(mode));
return((int)bufferHandle);
}
public int CreateIndexBuffer(int sizeInBytes, OpenGL20BufferMode mode)
{
int bufferHandle;
GL.GenBuffers(1, out bufferHandle);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, bufferHandle);
GL.BufferData(BufferTarget.ElementArrayBuffer, (IntPtr)sizeInBytes, IntPtr.Zero, GetBufferMode(mode));
return(bufferHandle);
}
private static BufferUsageHint GetBufferMode(OpenGL20BufferMode mode)
{
return(mode == OpenGL20BufferMode.Static ? BufferUsageHint.StaticDraw : mode == OpenGL20BufferMode.Dynamic ? BufferUsageHint.DynamicDraw : BufferUsageHint.StreamDraw);
}
