Function createTexture

utils/anime4k.js:47–78

(gl, filter, data, width, height)

}

function createTexture(gl, filter, data, width, height) {
    var texture = gl.createTexture();
    gl.bindTexture(gl.TEXTURE_2D, texture);
    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, filter);
    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, filter);
    if (data instanceof Uint8Array) {
        gl.texImage2D(
            gl.TEXTURE_2D,
            0,
            gl.RGBA,
            width,
            height,
            0,
            gl.RGBA,
            gl.UNSIGNED_BYTE,
            data
        );
    } else {
        gl.texImage2D(
            gl.TEXTURE_2D,
            0,
            gl.RGBA,
            gl.RGBA,
            gl.UNSIGNED_BYTE,
            data
        );
    }
    gl.bindTexture(gl.TEXTURE_2D, null);
    return texture;
}

function bindTexture(gl, texture, unit) {
    gl.activeTexture(gl.TEXTURE0 + unit);