Function makeSolidPixels

e2e/webgpu-render.spec.ts:331–341

(red: number, green: number, blue: number, alpha = 255)

        blackPixels[pixel * 4 + 3] = 255;
      }
      const makeSolidPixels = (red: number, green: number, blue: number, alpha = 255) => {
        const pixels = new Uint8Array(width * height * 4);
        for (let pixel = 0; pixel < width * height; pixel++) {
          const offset = pixel * 4;
          pixels[offset] = red;
          pixels[offset + 1] = green;
          pixels[offset + 2] = blue;
          pixels[offset + 3] = alpha;
        }
        return pixels;
      };
      const makeSingleRedPixel = (x: number, y: number) => {
        const pixels = makeSolidPixels(0, 0, 0);
        const offset = (y * width + x) * 4;