Function readPixelsToArray

docs/app/js/sanddance-app.js:63730–63747

(source)

var _textureUtils = require("../webgl-utils/texture-utils");
var _utils = require("../utils");
function readPixelsToArray(source) {
    var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}, _ref$sourceX = _ref.sourceX, sourceX = _ref$sourceX === void 0 ? 0 : _ref$sourceX, _ref$sourceY = _ref.sourceY, sourceY = _ref$sourceY === void 0 ? 0 : _ref$sourceY, _ref$sourceFormat = _ref.sourceFormat, sourceFormat = _ref$sourceFormat === void 0 ? 6408 : _ref$sourceFormat, _ref$sourceAttachment = _ref.sourceAttachment, sourceAttachment = _ref$sourceAttachment === void 0 ? 36064 : _ref$sourceAttachment, _ref$target = _ref.target, target = _ref$target === void 0 ? null : _ref$target, sourceWidth = _ref.sourceWidth, sourceHeight = _ref.sourceHeight, sourceType = _ref.sourceType;
    var _getFramebuffer = getFramebuffer(source), framebuffer = _getFramebuffer.framebuffer, deleteFramebuffer = _getFramebuffer.deleteFramebuffer;
    (0, _utils.assert)(framebuffer);
    var gl = framebuffer.gl, handle = framebuffer.handle, attachments = framebuffer.attachments;
    sourceWidth = sourceWidth || framebuffer.width;
    sourceHeight = sourceHeight || framebuffer.height;
    if (sourceAttachment === 36064 && handle === null) sourceAttachment = 1028;
    (0, _utils.assert)(attachments[sourceAttachment]);
    sourceType = sourceType || attachments[sourceAttachment].type;
    target = getPixelArray(target, sourceType, sourceFormat, sourceWidth, sourceHeight);
    sourceType = sourceType || (0, _typedArrayUtils.getGLTypeFromTypedArray)(target);
    var prevHandle = gl.bindFramebuffer(36160, handle);
    gl.readPixels(sourceX, sourceY, sourceWidth, sourceHeight, sourceFormat, sourceType, target);
    gl.bindFramebuffer(36160, prevHandle || null);
    if (deleteFramebuffer) framebuffer["delete"]();
    return target;
}
function readPixelsToBuffer(source, _ref2) {
    var _ref2$sourceX = _ref2.sourceX, sourceX = _ref2$sourceX === void 0 ? 0 : _ref2$sourceX, _ref2$sourceY = _ref2.sourceY, sourceY = _ref2$sourceY === void 0 ? 0 : _ref2$sourceY, _ref2$sourceFormat = _ref2.sourceFormat, sourceFormat = _ref2$sourceFormat === void 0 ? 6408 : _ref2$sourceFormat, _ref2$target = _ref2.target, target = _ref2$target === void 0 ? null : _ref2$target, _ref2$targetByteOffse = _ref2.targetByteOffset, targetByteOffset = _ref2$targetByteOffse === void 0 ? 0 : _ref2$targetByteOffse, sourceWidth = _ref2.sourceWidth, sourceHeight = _ref2.sourceHeight, sourceType = _ref2.sourceType;
    var _getFramebuffer2 = getFramebuffer(source), framebuffer = _getFramebuffer2.framebuffer, deleteFramebuffer = _getFramebuffer2.deleteFramebuffer;