With this function you can set the minimum mipmap level which is currently used for a given shader sampler. You supply the index value for the shader sampler (as returned by the function shader_get_sampler_index(), and then give a value, where 0 is for full resolution, 1 is for the first mipmap, 2 for the second etc...
gpu_set_tex_min_mip_ext(sampler_index, minmip);
| 参数 | 描述 |
|---|---|
| sampler_index | The index of the shader sampler to get |
| minmip | The minimum mipmap level to use |
N/A（无返回值）
var _sampleIndex =
shader_get_sampler_index(shd_Glass, "s_Background");
var _spriteTex = sprite_get_texture(sprite_index, 0);
shader_set(shd_Glass);
if gpu_get_tex_min_mip_ext(_sampleIndex) != 0
{
gpu_set_tex_min_mip_ext(_sampleIndex,
0);
}
texture_set_stage(_sampleIndex , _spriteTex);
shader_reset();
The above code sets the minimum mipmap level to 0 for the given shader texture sampler if it has not already been set to 0.