molstar
Version:
A comprehensive macromolecular library.
104 lines (103 loc) • 3.81 kB
JavaScript
;
/**
* Copyright (c) 2018-2022 mol* contributors, licensed under MIT, See LICENSE file for more info.
*
* @author Alexander Rose <alexander.rose@weirdbyte.de>
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.getFormat = getFormat;
exports.getAttachment = getAttachment;
exports.createRenderbuffer = createRenderbuffer;
const id_factory_1 = require("../../mol-util/id-factory");
const compat_1 = require("./compat");
const framebuffer_1 = require("./framebuffer");
const debug_1 = require("../../mol-util/debug");
const getNextRenderbufferId = (0, id_factory_1.idFactory)();
function getFormat(gl, format) {
switch (format) {
case 'depth16': return gl.DEPTH_COMPONENT16;
case 'stencil8': return gl.STENCIL_INDEX8;
case 'rgba4': return gl.RGBA4;
case 'depth-stencil': return gl.DEPTH_STENCIL;
case 'depth24':
if ((0, compat_1.isWebGL2)(gl))
return gl.DEPTH_COMPONENT24;
else
throw new Error('WebGL2 needed for `depth24` renderbuffer format');
case 'depth32f':
if ((0, compat_1.isWebGL2)(gl))
return gl.DEPTH_COMPONENT32F;
else
throw new Error('WebGL2 needed for `depth32f` renderbuffer format');
case 'depth24-stencil8':
if ((0, compat_1.isWebGL2)(gl))
return gl.DEPTH24_STENCIL8;
else
throw new Error('WebGL2 needed for `depth24-stencil8` renderbuffer format');
case 'depth32f-stencil8':
if ((0, compat_1.isWebGL2)(gl))
return gl.DEPTH32F_STENCIL8;
else
throw new Error('WebGL2 needed for `depth32f-stencil8` renderbuffer format');
}
}
function getAttachment(gl, attachment) {
switch (attachment) {
case 'depth': return gl.DEPTH_ATTACHMENT;
case 'stencil': return gl.STENCIL_ATTACHMENT;
case 'depth-stencil': return gl.DEPTH_STENCIL_ATTACHMENT;
case 'color0': return gl.COLOR_ATTACHMENT0;
}
}
function getRenderbuffer(gl) {
const renderbuffer = gl.createRenderbuffer();
if (renderbuffer === null) {
throw new Error('Could not create WebGL renderbuffer');
}
return renderbuffer;
}
function createRenderbuffer(gl, format, attachment, _width, _height) {
let _renderbuffer = getRenderbuffer(gl);
const bind = () => gl.bindRenderbuffer(gl.RENDERBUFFER, _renderbuffer);
const _format = getFormat(gl, format);
const _attachment = getAttachment(gl, attachment);
function init() {
bind();
gl.renderbufferStorage(gl.RENDERBUFFER, _format, _width, _height);
}
init();
let destroyed = false;
return {
id: getNextRenderbufferId(),
bind,
attachFramebuffer: (framebuffer) => {
framebuffer.bind();
bind();
gl.framebufferRenderbuffer(gl.FRAMEBUFFER, _attachment, gl.RENDERBUFFER, _renderbuffer);
if (debug_1.isDebugMode)
(0, framebuffer_1.checkFramebufferStatus)(gl);
},
detachFramebuffer: (framebuffer) => {
framebuffer.bind();
bind();
gl.framebufferRenderbuffer(gl.FRAMEBUFFER, _attachment, gl.RENDERBUFFER, null);
if (debug_1.isDebugMode)
(0, framebuffer_1.checkFramebufferStatus)(gl);
},
setSize: (width, height) => {
_width = width;
_height = height;
init();
},
reset: () => {
_renderbuffer = getRenderbuffer(gl);
init();
},
destroy: () => {
if (destroyed)
return;
gl.deleteRenderbuffer(_renderbuffer);
destroyed = true;
}
};
}