| public static BindSampler ( uint target, uint sampler ) : void | ||
| target | uint | |
| sampler | uint | |
| return | void | |
/// <summary>
/// texture's settings.
/// </summary>
/// <param name="unit">OpenGL.GL_TEXTURE0 etc.</param>
/// <param name="target"></param>
public override void Bind(uint unit, TextureTarget target)
{
if (!this.initialized)
{
this.Initialize(unit, target);
}
OpenGL.BindSampler(unit, this.Id);
}
private void DoInitialize(uint unit, TextureTarget target)
{
var ids = new uint[1];
OpenGL.GenSamplers(1, ids);
this.Id = ids[0];
//OpenGL.BindSampler(unit, ids[0]);
OpenGL.BindSampler(unit, ids[0]);
/* Clamping to edges is important to prevent artifacts when scaling */
OpenGL.SamplerParameteri(ids[0], OpenGL.GL_TEXTURE_WRAP_R, (int)this.parameters.wrapR);
OpenGL.SamplerParameteri(ids[0], OpenGL.GL_TEXTURE_WRAP_S, (int)this.parameters.wrapS);
OpenGL.SamplerParameteri(ids[0], OpenGL.GL_TEXTURE_WRAP_T, (int)this.parameters.wrapT);
/* Linear filtering usually looks best for text */
OpenGL.SamplerParameteri(ids[0], OpenGL.GL_TEXTURE_MIN_FILTER, (int)this.parameters.minFilter);
OpenGL.SamplerParameteri(ids[0], OpenGL.GL_TEXTURE_MAG_FILTER, (int)this.parameters.magFilter);
// TODO: mipmap not used yet.
OpenGL.BindSampler(unit, 0);
}