Function canvasConstantTest

test/features/constants-canvas.js:6–23

(mode)

describe('features: constants canvas');
function canvasConstantTest(mode) {
  const gpu = new GPU({ mode });
  const canvas = greenCanvas(mode, 1, 1);
  const kernel = gpu.createKernel(
    function() {
      const pixel = this.constants.canvas[this.thread.y][this.thread.x];
      return pixel.g;
    },
    {
      constants: { canvas },
      output: [1, 1],
    }
  );
  const result = kernel();
  const test = result[0][0] > 0;
  assert.ok(test, 'image constant passed test');
  gpu.destroy();
}

(typeof HTMLCanvasElement !== 'undefined' ? test : skip)('auto', () => {
  canvasConstantTest(null);