| 1 | import { ALPHA_MODES } from '@pixi/constants';
|
| 2 | import { Resource } from './Resource.mjs';
|
| 3 |
|
| 4 | class BufferResource extends Resource {
|
| 5 | constructor(source, options) {
|
| 6 | const { width, height } = options || {};
|
| 7 | if (!width || !height) {
|
| 8 | throw new Error("BufferResource width or height invalid");
|
| 9 | }
|
| 10 | super(width, height);
|
| 11 | this.data = source;
|
| 12 | }
|
| 13 | upload(renderer, baseTexture, glTexture) {
|
| 14 | const gl = renderer.gl;
|
| 15 | gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, baseTexture.alphaMode === ALPHA_MODES.UNPACK);
|
| 16 | const width = baseTexture.realWidth;
|
| 17 | const height = baseTexture.realHeight;
|
| 18 | if (glTexture.width === width && glTexture.height === height) {
|
| 19 | gl.texSubImage2D(baseTexture.target, 0, 0, 0, width, height, baseTexture.format, glTexture.type, this.data);
|
| 20 | } else {
|
| 21 | glTexture.width = width;
|
| 22 | glTexture.height = height;
|
| 23 | gl.texImage2D(baseTexture.target, 0, glTexture.internalFormat, width, height, 0, baseTexture.format, glTexture.type, this.data);
|
| 24 | }
|
| 25 | return true;
|
| 26 | }
|
| 27 | dispose() {
|
| 28 | this.data = null;
|
| 29 | }
|
| 30 | static test(source) {
|
| 31 | return source instanceof Float32Array || source instanceof Uint8Array || source instanceof Uint32Array;
|
| 32 | }
|
| 33 | }
|
| 34 |
|
| 35 | export { BufferResource };
|
| 36 |
|