1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
import Check from "../Core/Check.js";
import defaultValue from "../Core/defaultValue.js";
import defined from "../Core/defined.js";
import destroyObject from "../Core/destroyObject.js";
import DeveloperError from "../Core/DeveloperError.js";
import ContextLimits from "./ContextLimits.js";
import RenderbufferFormat from "./RenderbufferFormat.js";
/**
* @private
*/
function Renderbuffer(options) {
options = defaultValue(options, defaultValue.EMPTY_OBJECT);
//>>includeStart('debug', pragmas.debug);
Check.defined("options.context", options.context);
//>>includeEnd('debug');
var context = options.context;
var gl = context._gl;
var maximumRenderbufferSize = ContextLimits.maximumRenderbufferSize;
var format = defaultValue(options.format, RenderbufferFormat.RGBA4);
var width = defined(options.width) ? options.width : gl.drawingBufferWidth;
var height = defined(options.height)
? options.height
: gl.drawingBufferHeight;
//>>includeStart('debug', pragmas.debug);
if (!RenderbufferFormat.validate(format)) {
throw new DeveloperError("Invalid format.");
}
Check.typeOf.number.greaterThan("width", width, 0);
if (width > maximumRenderbufferSize) {
throw new DeveloperError(
"Width must be less than or equal to the maximum renderbuffer size (" +
maximumRenderbufferSize +
"). Check maximumRenderbufferSize."
);
}
Check.typeOf.number.greaterThan("height", height, 0);
if (height > maximumRenderbufferSize) {
throw new DeveloperError(
"Height must be less than or equal to the maximum renderbuffer size (" +
maximumRenderbufferSize +
"). Check maximumRenderbufferSize."
);
}
//>>includeEnd('debug');
this._gl = gl;
this._format = format;
this._width = width;
this._height = height;
this._renderbuffer = this._gl.createRenderbuffer();
gl.bindRenderbuffer(gl.RENDERBUFFER, this._renderbuffer);
gl.renderbufferStorage(gl.RENDERBUFFER, format, width, height);
gl.bindRenderbuffer(gl.RENDERBUFFER, null);
}
Object.defineProperties(Renderbuffer.prototype, {
format: {
get: function () {
return this._format;
},
},
width: {
get: function () {
return this._width;
},
},
height: {
get: function () {
return this._height;
},
},
});
Renderbuffer.prototype._getRenderbuffer = function () {
return this._renderbuffer;
};
Renderbuffer.prototype.isDestroyed = function () {
return false;
};
Renderbuffer.prototype.destroy = function () {
this._gl.deleteRenderbuffer(this._renderbuffer);
return destroyObject(this);
};
export default Renderbuffer;