| 1 | import { ALPHA_MODES } from '@pixi/constants';
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| 2 | import { BufferResource } from './BufferResource.mjs';
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| 3 |
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| 4 | class DepthResource extends BufferResource {
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| 5 | upload(renderer, baseTexture, glTexture) {
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| 6 | const gl = renderer.gl;
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| 7 | gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, baseTexture.alphaMode === ALPHA_MODES.UNPACK);
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| 8 | const width = baseTexture.realWidth;
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| 9 | const height = baseTexture.realHeight;
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| 10 | if (glTexture.width === width && glTexture.height === height) {
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| 11 | gl.texSubImage2D(baseTexture.target, 0, 0, 0, width, height, baseTexture.format, glTexture.type, this.data);
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| 12 | } else {
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| 13 | glTexture.width = width;
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| 14 | glTexture.height = height;
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| 15 | gl.texImage2D(baseTexture.target, 0, glTexture.internalFormat, width, height, 0, baseTexture.format, glTexture.type, this.data);
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| 16 | }
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| 17 | return true;
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| 18 | }
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| 19 | }
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| 20 |
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| 21 | export { DepthResource };
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| 22 |
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