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TypeScript HashMapUint64.tableWithMungedEmptyKey方法代码示例

本文整理汇总了TypeScript中neuroglancer/gpu_hash/hash_table.HashMapUint64.tableWithMungedEmptyKey方法的典型用法代码示例。如果您正苦于以下问题:TypeScript HashMapUint64.tableWithMungedEmptyKey方法的具体用法?TypeScript HashMapUint64.tableWithMungedEmptyKey怎么用?TypeScript HashMapUint64.tableWithMungedEmptyKey使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在neuroglancer/gpu_hash/hash_table.HashMapUint64的用法示例。


在下文中一共展示了HashMapUint64.tableWithMungedEmptyKey方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的TypeScript代码示例。

示例1: fragmentShaderTest

    fragmentShaderTest(3, tester => {
      let {gl, builder} = tester;
      let shaderManager = new HashMapShaderManager('h');
      shaderManager.defineShader(builder);
      builder.addUniform('vec4', 'inputValue', 2);
      builder.setFragmentMain(`
uint64_t x;
x.low = inputValue[0];
x.high = inputValue[1];
uint64_t y;
gl_FragData[0] = h_get(x, y) ? vec4(1.0, 1.0, 1.0, 1.0) : vec4(0.0, 0.0, 0.0, 0.0);
gl_FragData[1] = y.low;
gl_FragData[2] = y.high;
`);
      tester.build();
      let {shader} = tester;
      shader.bind();
      let hashTable = new HashMapUint64();
      let gpuHashTable = tester.registerDisposer(GPUHashTable.get(gl, hashTable));
      let testValues = new Array<Uint64>();
      while (testValues.length < COUNT) {
        let x = Uint64.random();
        if (hashTable.has(x)) {
          continue;
        }
        testValues.push(x);
        hashTable.set(x, Uint64.random());
      }
      let notPresentValues = new Array<Uint64>();
      notPresentValues.push(new Uint64(hashTable.emptyLow, hashTable.emptyHigh));
      while (notPresentValues.length < COUNT) {
        let x = Uint64.random();
        if (hashTable.has(x)) {
          continue;
        }
        notPresentValues.push(x);
      }
      let mungedTable: Uint32Array;
      hashTable.tableWithMungedEmptyKey(table => { mungedTable = new Uint32Array(table); });
      function checkPresent(x: Uint64) {
        let temp = new Uint32Array(2);
        temp[0] = x.low;
        temp[1] = x.high;
        let inputValue = encodeBytesToFloat32(temp);
        gl.uniform4fv(shader.uniform('inputValue'), inputValue);
        shaderManager.enable(gl, shader, gpuHashTable);
        tester.execute();
        let resultBytes = tester.readBytes();
        let has = resultBytes[0] === 255;
        let expectedValue = new Uint64();
        let expectedHas = hashTable.get(x, expectedValue);
        expect(has).toEqual(expectedHas);
        if (has) {
          expect(tester.readUint32(1)).toEqual(expectedValue.low);
          expect(tester.readUint32(2)).toEqual(expectedValue.high);
        }
      }
      testValues.forEach((x, i) => {
        expect(hashTable.has(x)).toBe(true, `cpu: i = ${i}, x = ${x}`);
        checkPresent(x);
      });
      notPresentValues.forEach((x, ) => { checkPresent(x); });
    });
开发者ID:janelia-flyem,项目名称:neuroglancer,代码行数:63,代码来源:shader.spec.ts


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