setValueT3D1 method
Implementation
setValueT3D1(gl, v, [WebGLTextures? textures]) {
var cache = this.cache;
var unit = textures!.allocateTextureUnit();
if (cache[0] != unit) {
gl.uniform1i(addr, unit);
cache[0] = unit;
}
textures.setTexture3D(v ?? empty3dTexture, unit);
}