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https://github.com/cocos/cocos-engine.git
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81 lines
2.7 KiB
TypeScript
81 lines
2.7 KiB
TypeScript
import { MeshBuffer } from '../../cocos/2d/renderer/mesh-buffer';
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import { vfmtPosUvColor } from '../../cocos/2d/renderer/vertex-format';
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import { director } from '../../cocos/core';
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const meshBuffer = new MeshBuffer();
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meshBuffer.initialize(director.root.device, vfmtPosUvColor, 1024, 2048);
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test('basic', () => {
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expect(meshBuffer.vertexOffset).toBe(0);
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expect(meshBuffer.byteOffset).toBe(0);
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expect(meshBuffer.indexOffset).toBe(0);
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expect(meshBuffer.attributes).toBe(vfmtPosUvColor);
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// TODO. initialized vData.length should be 256 * 9
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expect(meshBuffer.vData.length).toBe(1024);
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expect(meshBuffer.iData.length).toBe(2048);
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meshBuffer.byteOffset = Float32Array.BYTES_PER_ELEMENT * 36;
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meshBuffer.vertexOffset = 4;
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meshBuffer.indexOffset = 6;
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meshBuffer.setDirty();
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// @ts-expect-error
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expect(meshBuffer._dirty).toBe(true);
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meshBuffer.uploadBuffers();
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// @ts-expect-error
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expect(meshBuffer._dirty).toBe(false);
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// Reset do not affect offsets
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meshBuffer.reset();
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expect(meshBuffer.vertexOffset).toBe(4);
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expect(meshBuffer.byteOffset).toBe(Float32Array.BYTES_PER_ELEMENT * 36);
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expect(meshBuffer.indexOffset).toBe(6);
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// test checkCapacity
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expect(meshBuffer.checkCapacity(110, 0)).toBe(false);
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expect(meshBuffer.checkCapacity(0, 2048)).toBe(false);
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expect(meshBuffer.checkCapacity(109, 0)).toBe(true);
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expect(meshBuffer.checkCapacity(0, 2042)).toBe(true);
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});
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// test('shrink', () => {
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// expect(meshBuffer.vData.length).toBe(256 * 9 * 4);
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// expect(meshBuffer.iData.length).toBe(256 * 6);
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// meshBuffer.request(2000, 1000);
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// // alloc double buffer
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// expect(meshBuffer.vData.length).toBe(256 * 9 * 4 * 2);
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// expect(meshBuffer.iData.length).toBe(256 * 6 * 2);
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// // can not shrink when mesh buffer is dirty
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// meshBuffer.tryShrink();
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// expect(meshBuffer.vData.length).toBe(256 * 9 * 4 * 2);
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// expect(meshBuffer.iData.length).toBe(256 * 6 * 2);
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// meshBuffer.uploadBuffers();
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// // can not shrink when mesh buffer is full
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// meshBuffer.tryShrink();
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// expect(meshBuffer.vData.length).toBe(256 * 9 * 4 * 2);
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// expect(meshBuffer.iData.length).toBe(256 * 6 * 2);
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// meshBuffer.reset();
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// meshBuffer.request(6, 4);
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// meshBuffer.uploadBuffers();
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// // shrink success, realloc buffer as size / 2
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// meshBuffer.tryShrink();
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// expect(meshBuffer.vData.length).toBe(256 * 9 * 4);
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// expect(meshBuffer.iData.length).toBe(256 * 6);
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// // can not shrink any more
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// meshBuffer.tryShrink();
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// meshBuffer.tryShrink();
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// expect(meshBuffer.vData.length).toBe(256 * 9 * 4);
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// expect(meshBuffer.iData.length).toBe(256 * 6);
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// });
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