{"published":"2020-09-16 15:41:47","description":"OS\u3092\u66f8\u304f\u5834\u5408\u306a\u3069\u3067\u306f\uff0c\u3057\u3070\u3057\u3070\u3042\u308b\u30a2\u30c9\u30ec\u30b9\u3092\u57fa\u6e96\u3068\u3057\u305f\u76f8\u5bfe\u30a2\u30c9\u30ec\u30b9\u304c\u5fc5\u8981\u3068\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\uff0e\u4f8b\u3048\u3070Video RAM\uff08VRAM\uff09\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3067\u306f\uff0cVRAM\u306e\u958b\u59cb\u30a2\u30c9\u30ec\u30b9\u3092\u57fa\u6e96\u3068\u3057\u3066\uff0c\u30a2\u30af\u30bb\u30b9\u3057\u305f\u3044\u753b\u9762\u4e0a\u306e\u5ea7\u6a19\u3068\uff0c\u89e3\u50cf\u5ea6\u3092\u7528\u3044\u3066\u6700\u7d42\u7684\u306aVRAM\u4e0a\u306e\u756a\u5730\u3092\u78ba\u5b9a\u3057\u307e\u3059\uff0e let ptr = vram.base + y * vram.resolution.x + x; \u3053\u306e\u6642\uff0cbase\u304c\u751f\u30dd\u30a4\u30f3\u30bf\u3067\u3042\u308b\u5834\u5408\uff0c\u4e00\u898b\u3059\u308b\u3068offset\u30e1\u30bd\u30c3\u30c9\u304c\u4f7f\u7528\u53ef\u80fd\u3067\u3042\u308b\u3068\u601d\u3046\u304b\u3082\u3057\u308c\u307e\u305b\u3093\uff0e let ptr = vram.base.offset(y * vram.resolution.x + x); \u3057\u304b\u3057\uff0cRu\u2026","type":"rich","author_name":"tokuchan3515","width":"100%","image_url":null,"blog_url":"https://tokuchan3515.hatenablog.com/","height":"190","provider_name":"Hatena Blog","title":"`offset`\u3067\u306f\u306a\u304f\uff0c\u6574\u6570\u578b\u306b\u30ad\u30e3\u30b9\u30c8\u3057\u3066\u6f14\u7b97\u3059\u308b","categories":["Rust"],"provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/tokuchan3515/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftokuchan3515.hatenablog.com%2Fentry%2F2020%2F09%2F16%2F154147\" title=\"`offset`\u3067\u306f\u306a\u304f\uff0c\u6574\u6570\u578b\u306b\u30ad\u30e3\u30b9\u30c8\u3057\u3066\u6f14\u7b97\u3059\u308b - \u5099\u5fd8\u9332\u3084\u3081\u305f\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://tokuchan3515.hatenablog.com/entry/2020/09/16/154147","version":"1.0","blog_title":"\u5099\u5fd8\u9332\u3084\u3081\u305f"}