protected void BindTexture(RenderState rstate, int cacheidx, string tex, int unit, SamplerFlags flags, string nullName = null)
{
if (tex == null)
{
if (nullName == null)
throw new Exception();
tex = nullName;
}
if (textures[cacheidx] == null || !loaded[cacheidx])
textures[cacheidx] = (Texture2D)Library.FindTexture(tex);
if (textures[cacheidx] == null)
{
textures[cacheidx] = (Texture2D)Library.FindTexture(ResourceManager.NullTextureName);
loaded[cacheidx] = false;
}
else
loaded[cacheidx] = true;
var tex2d = textures[cacheidx];
if (tex2d.IsDisposed)
tex2d = textures[cacheidx] = (Texture2D)Library.FindTexture(tex);
tex2d.BindTo(unit);
tex2d.SetFiltering(rstate.PreferredFilterLevel);
if ((flags & SamplerFlags.ClampToEdgeU) == SamplerFlags.ClampToEdgeU)
{
tex2d.SetWrapModeS(WrapMode.ClampToEdge);
}
if ((flags & SamplerFlags.ClampToEdgeV) == SamplerFlags.ClampToEdgeV)
{
tex2d.SetWrapModeT(WrapMode.ClampToEdge);
}
if ((flags & SamplerFlags.MirrorRepeatU) == SamplerFlags.MirrorRepeatU)
{
tex2d.SetWrapModeS(WrapMode.MirroredRepeat);
}
if ((flags & SamplerFlags.MirrorRepeatU) == SamplerFlags.MirrorRepeatV)
{
tex2d.SetWrapModeT(WrapMode.MirroredRepeat);
}
}
private RenderTarget(Texture2D texture, TextureFormat format, SamplerFlags flags)
{
Handle = GraphicsContext.CreateFrameBuffer(texture, format, flags);
_internalTexture = texture;
}
/// <summary>
/// Initializes a new instance of the <see cref="RenderTarget"/> struct.
/// </summary>
/// <param name="width">The width of the render target.</param>
/// <param name="height">The height of the render target.</param>
/// <param name="format">The format of the new surface.</param>
/// <param name="flags">Texture sampling flags.</param>
private RenderTarget(int width, int height, TextureFormat format, SamplerFlags flags)
{
Handle = GraphicsContext.CreateFrameBuffer(width, height, format, flags);
_internalTexture = new Texture2D(GraphicsContext.GetFrameBufferTexture(Handle, 0), width, height, false, false);
}
