mdx-m3-viewer
Version:
A browser WebGL model viewer. Mainly focused on models of the games Warcraft 3 and Starcraft 2.
51 lines • 2.01 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
/**
* A wrapper around a WebGL shader program.
*/
class Shader {
constructor(webgl, program) {
this.uniforms = {};
this.attribs = {};
this.attribsCount = 0;
this.webgl = webgl;
this.program = program;
const gl = webgl.gl;
for (let i = 0, l = gl.getProgramParameter(program, gl.ACTIVE_UNIFORMS); i < l; i++) {
const object = gl.getActiveUniform(program, i);
if (object) {
if (object.size === 1) {
this.uniforms[object.name] = gl.getUniformLocation(program, object.name);
}
else {
const base = object.name.substr(0, object.name.length - 3);
for (let index = 0; index < object.size; index++) {
const name = base + '[' + index + ']';
this.uniforms[name] = gl.getUniformLocation(program, name);
}
}
}
}
for (let i = 0, l = gl.getProgramParameter(program, gl.ACTIVE_ATTRIBUTES); i < l; i++) {
const object = gl.getActiveAttrib(program, i);
if (object) {
this.attribsCount += object.size;
if (object.size === 1) {
this.attribs[object.name] = gl.getAttribLocation(program, object.name);
}
else {
const base = object.name.substr(0, object.name.length - 3);
for (let index = 0; index < object.size; index++) {
const name = base + '[' + index + ']';
this.attribs[name] = gl.getAttribLocation(program, name);
}
}
}
}
}
use() {
this.webgl.useShader(this);
}
}
exports.default = Shader;
//# sourceMappingURL=shader.js.map