{"id":634,"date":"2023-04-01T00:16:57","date_gmt":"2023-04-01T00:16:57","guid":{"rendered":"https:\/\/p-horlix.net\/blog\/?p=634"},"modified":"2023-04-19T16:33:31","modified_gmt":"2023-04-19T16:33:31","slug":"metal-%e3%81%8c%e3%82%88%e3%81%8f%e3%82%8f%e3%81%8b%e3%82%89%e3%82%93%e3%81%a8%e3%81%84%e3%81%86%e4%ba%ba%e3%81%af%e5%85%ac%e5%bc%8f%e3%82%b5%e3%83%b3%e3%83%97%e3%83%ab%e3%81%8b%e3%82%89%e5%85%a5","status":"publish","type":"post","link":"https:\/\/p-horlix.net\/blog\/?p=634","title":{"rendered":"Metal \u304c\u3088\u304f\u308f\u304b\u3089\u3093\u3068\u3044\u3046\u4eba\u306f\u516c\u5f0f\u30b5\u30f3\u30d7\u30eb\u304b\u3089\u5165\u308b\u3068\u3044\u3044\u3068\u601d\u3046"},"content":{"rendered":"<p>\u4ee5\u524d\u306b\u300c<a href=\"https:\/\/phazor.info\/air\/?page_id=1714\">Metal \u5165\u9580<\/a>\u300d\u3068\u3044\u3046\u8a18\u4e8b\u3092\u66f8\u3044\u305f\u3053\u3068\u304c\u3042\u308b\u306e\u3060\u304c\u3001Metal \u95a2\u4fc2\u306e\u60c5\u5831\u306f\u4e4f\u3057\u3044\u305b\u3044\u304b\u30cd\u30c3\u30c8\u4e0a\u3067\u306f\u304b\u306a\u308a\u53c2\u7167\u3055\u308c\u3066\u3044\u308b\u3088\u3046\u3060\u3002<\/p>\n<p>\u653e\u7f6e\u3059\u308b\u306e\u3082\u306a\u3093\u306a\u306e\u3067\u3001\u5148\u65e5\u3001Metal \u3092\u4ed5\u69d8\u3059\u308b\u969b\u306b\u51fa\u3066\u304f\u308b\u300c\u30b3\u30de\u30f3\u30c9\u300d\u306b\u95a2\u3057\u3066\u8ffd\u8a18\u3057\u305f\u3002<\/p>\n<p>\u305d\u3053\u3067\u63d0\u793a\u3057\u305f\u30b5\u30f3\u30d7\u30eb\u306f Objective-C \u306b\u3059\u308b\u306e\u304b Swift \u306b\u3059\u308b\u306e\u304b\u8ff7\u3063\u305f\u306e\u3060\u304c\u3001\u7d50\u5c40\u3001Swift \u306b\u3057\u305f\u3002<\/p>\n<p>\u3058\u3083\u3042\u3001Objective-C \u3067\u306f\u3069\u3046\u3084\u308b\u306e\u3063\u3066\u306e\u304c\u672c\u8a18\u4e8b\u3002<\/p>\n<p>Objective-C \u3067\u66f8\u304b\u308c\u305f\u30b5\u30f3\u30d7\u30eb\u306f\u672c\u5f53\u306b\u5c11\u306a\u3044\u304c\u3001Objective-C \u304b\u3089 Metal \u3092\u4f7f\u3044\u305f\u3044\u4eba\u306f\u516c\u5f0f\u306b\u3042\u308b\u30b5\u30f3\u30d7\u30eb\u3042\u305f\u308a\u304b\u3089\u5165\u308b\u3068\u3044\u3044\u3068\u601d\u3046\u3002<\/p>\n<p>\u304a\u99b4\u67d3\u307f\u306e\u4e09\u89d2\u5f62\u3092\u63cf\u304f\u30b5\u30f3\u30d7\u30eb\u3082\u3042\u308b\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001\u540c\u4e00\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b iOS \u3068 tvOS \u306e\u30bf\u30fc\u30b2\u30c3\u30c8\u3082\u540c\u5305\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001MacOS \u3060\u3051\u53d6\u308a\u51fa\u3057\u3066\u304a\u3044\u305f\u65b9\u304c\u308f\u304b\u308a\u3084\u3059\u3044\u3002<\/p>\n<p>\u3053\u3093\u306a\u611f\u3058\u306b\u306a\u308b\u3002<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-635\" src=\"https:\/\/i0.wp.com\/p-horlix.net\/blog\/wp-content\/uploads\/2023\/04\/metal-mac-obj-C.png?resize=525%2C341&#038;ssl=1\" alt=\"\" width=\"525\" height=\"341\" srcset=\"https:\/\/i0.wp.com\/p-horlix.net\/blog\/wp-content\/uploads\/2023\/04\/metal-mac-obj-C.png?w=900&amp;ssl=1 900w, https:\/\/i0.wp.com\/p-horlix.net\/blog\/wp-content\/uploads\/2023\/04\/metal-mac-obj-C.png?resize=300%2C195&amp;ssl=1 300w, https:\/\/i0.wp.com\/p-horlix.net\/blog\/wp-content\/uploads\/2023\/04\/metal-mac-obj-C.png?resize=768%2C499&amp;ssl=1 768w\" sizes=\"(max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" data-recalc-dims=\"1\" \/><\/p>\n<p>\u4ee5\u4e0b\u3001\u3053\u306e\u30b5\u30f3\u30d7\u30eb\u306b\u95a2\u3057\u3066\u6ce8\u610f\u70b9\u306a\u3069\u30e1\u30e2\u3002<\/p>\n<h2><strong>MTKView \u306e\u8a2d\u5b9a<\/strong><\/h2>\n<p>View \u306f MTKView \u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u304c\u3001Xcode \u306e\u64cd\u4f5c\u6027\u304c\u30a4\u30de\u30a4\u30c1\u3067\u3001\u624b\u52d5\u3067 MTKView \u306b\u8a2d\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002<\/p>\n<h2><strong>ViewPort<\/strong><\/h2>\n<p>\u3068\u3053\u308d\u3067\u3001\u4eca\u56de\u306e\u30b5\u30f3\u30d7\u30eb\u3067\u306f\u3001\u30a6\u30a3\u30f3\u30c9\u30a6\u306e\u30b5\u30a4\u30ba\u3092\u5909\u3048\u3066\u3082\u63cf\u753b\u3055\u308c\u308b\u4e09\u89d2\u5f62\u306e\u5927\u304d\u3055\u306f\u5909\u308f\u3089\u306a\u3044\u3002<\/p>\n<p>\u3053\u308c\u306f ViewPort \u3092\u4f7f\u3046\u3053\u3068\u3067\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5b9f\u73fe\u3057\u3066\u3044\u308b\u3002<\/p>\n<p>\u5185\u90e8\u7684\u306b\u306f\u3001\u30a6\u30a3\u30f3\u30c9\u30a6\u306b\u4f55\u3089\u304b\u306e\u5909\u5316\u304c\u8d77\u3053\u308b\u3068 delegate \u306e\u4ee5\u4e0b\u306e\u30e1\u30bd\u30c3\u30c9\u304c\u547c\u3073\u51fa\u3055\u308c\u3066\u3044\u308b\u3002<\/p>\n<pre><code>\/\/\/ Called whenever view changes orientation or is resized\r\n- (void)mtkView:(nonnull MTKView *)view drawableSizeWillChange:(CGSize)size\r\n{\r\n    \/\/ Save the size of the drawable to pass to the vertex shader.\r\n    _viewportSize.x = size.width;\r\n    _viewportSize.y = size.height;\r\n}<\/code><\/pre>\n<p>\u8981\u3059\u308b\u306b\u5b9f\u969b\u306e\u30a6\u30a4\u30f3\u30c9\u30a6\u306e\u30b5\u30a4\u30ba\u3092 ViewPort \u306e\u30b5\u30a4\u30ba\u3068\u3057\u3066\u5f15\u304d\u6e21\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u3059\u306d\u3002<\/p>\n<p>\u3053\u306e\u60c5\u5831\u306f\u30b7\u30a7\u30fc\u30c0\u30fc\u3067\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u51e6\u7406\u3055\u308c\u3066\u3044\u308b\u3002<\/p>\n<pre><code>    out.position.xy = pixelSpacePosition \/ (viewportSize \/ 2.0);<\/code><\/pre>\n<p>Metal \u306e\u4f7f\u7528\u3059\u308b\u5ea7\u6a19\u7cfb\u3092\u5b9f\u969b\u306e\u30a6\u30a3\u30f3\u30c9\u30a6\u306e\u5927\u304d\u3055\u3067\u5272\u308b\u3053\u3068\u3067\u3001\u63cf\u753b\u3059\u308b\u56f3\u5f62\u306e\u5927\u304d\u3055\u3092\u4e00\u5b9a\u306b\u4fdd\u3063\u3066\u3044\u308b\u3068\u3044\u3046\u7406\u5c48\u3067\u3059\u3002<\/p>\n<p>\u5358\u7d14\u306b\u4e09\u89d2\u5f62\u3092\u63cf\u753b\u3055\u305b\u305f\u3044\u3060\u3051\u3067\u3042\u308c\u3070\u3001\u9802\u70b9\u306e\u30c7\u30fc\u30bf\u306f<\/p>\n<pre><code>    static const PHVertex triangleVertices[] =\r\n    {\r\n        \/\/ 2D positions,    RGBA colors\r\n        { {  1.0,  -1.0 }, { 1, 0, 0, 1 } },\r\n        { { -1.0,  -1.0 }, { 0, 1, 0, 1 } },\r\n        { {    0,   1.0 }, { 0, 0, 1, 1 } },\r\n    };<\/code><\/pre>\n<p>\u306a\u3069\u3068 Metal \u672c\u6765\u306e\u5ea7\u6a19\u7cfb\u306b\u6e96\u3058\u3066\u8a2d\u5b9a\u3002<br \/>\n\u30b7\u30a7\u30fc\u30c0\u30fc\u3082<\/p>\n<pre><code>    \/\/out.position.xy = pixelSpacePosition \/ (viewportSize \/ 2.0);\r\n    out.position.xy = pixelSpacePosition;<\/code><\/pre>\n<p>\u3068\u3057\u3066\u3057\u307e\u3048\u3070\u3001\u4e09\u89d2\u5f62\u306f\u30a6\u30a3\u30f3\u30c9\u30a6\u306e\u5927\u304d\u3055\u306b\u5f93\u3063\u3066\u5909\u5316\u3057\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-640\" src=\"https:\/\/i0.wp.com\/p-horlix.net\/blog\/wp-content\/uploads\/2023\/04\/metal-obj-c-no-viewport.png?resize=525%2C333&#038;ssl=1\" alt=\"\" width=\"525\" height=\"333\" srcset=\"https:\/\/i0.wp.com\/p-horlix.net\/blog\/wp-content\/uploads\/2023\/04\/metal-obj-c-no-viewport.png?w=1012&amp;ssl=1 1012w, https:\/\/i0.wp.com\/p-horlix.net\/blog\/wp-content\/uploads\/2023\/04\/metal-obj-c-no-viewport.png?resize=300%2C190&amp;ssl=1 300w, https:\/\/i0.wp.com\/p-horlix.net\/blog\/wp-content\/uploads\/2023\/04\/metal-obj-c-no-viewport.png?resize=768%2C487&amp;ssl=1 768w\" sizes=\"(max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" data-recalc-dims=\"1\" \/><\/p>\n<h2><strong>\u63cf\u753b\u8272\u306b\u5909\u5316\u3092\u3064\u3051\u3066\u307f\u308b<\/strong><\/h2>\n<p>\u79c1\u306f\u8a66\u3057\u3066\u306a\u3044\u304c\u3001\u300e<a href=\"http:\/\/harumi.sakura.ne.jp\/wordpress\/2021\/02\/03\/%e3%82%b7%e3%82%a7%e3%83%bc%e3%83%80%e3%81%ab%e3%83%a9%e3%83%b3%e3%83%80%e3%83%a0%e3%81%aa%e5%80%a4%e3%82%92%e9%80%81%e3%81%a3%e3%81%a6%e5%8b%95%e3%81%8d%e3%82%92%e3%81%a4%e3%81%91%e3%82%8b\/\">\u30b7\u30a7\u30fc\u30c0\u30fc\u306b\u30e9\u30f3\u30c0\u30e0\u306a\u5024\u3092\u9001\u3063\u3066\u52d5\u304d\u3092\u3064\u3051\u308b<\/a>\u300f\u3042\u305f\u308a\u3092\u53c2\u7167\u3057\u3066\u3001\u6539\u5909\u3059\u308b\u3068\u3044\u3044\u3068\u601d\u3046\u3002<\/p>\n<p>\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u306f<a href=\"https:\/\/github.com\/Hiroaki-Inomata\/HelloTriangleMetalObjC\">\u3053\u3061\u3089<\/a>\u3067\u3002<\/p>\n<h2><strong>\u56de\u8ee2\u3055\u305b\u308b\u3001\u9060\u8fd1\u51e6\u7406\u3092\u3064\u3051\u308b<\/strong><\/h2>\n<p>\u8a73\u3057\u3044\u89e3\u8aac\u306f\u3057\u306a\u3044\u304c\u3001\u305d\u308c\u306a\u308a\u306e\u6539\u5909\u3092\u52a0\u3048\u308b\u3068\u56de\u8ee2\u3084\u9060\u8fd1\u51e6\u7406\u3082\u3067\u304d\u308b\u3002<\/p>\n<p style=\"text-align: center;\"><iframe loading=\"lazy\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/vaQjf7dbTkc\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p style=\"text-align: left;\">\u305d\u306e\u5165\u308a\u53e3\u304f\u3089\u3044\u307e\u3067\u306f<a href=\"https:\/\/phazor.info\/air\/?page_id=1744\">\u3053\u3061\u3089\u306e\u8a18\u4e8b<\/a>\u3067\u8efd\u304f\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u3088\u308d\u3057\u3051\u308c\u3070\u3054\u4e00\u8aad\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4ee5\u524d\u306b\u300cMetal \u5165\u9580\u300d\u3068\u3044\u3046\u8a18\u4e8b\u3092\u66f8\u3044\u305f\u3053\u3068\u304c\u3042\u308b\u306e\u3060\u304c\u3001Metal \u95a2\u4fc2\u306e\u60c5\u5831\u306f\u4e4f\u3057\u3044\u305b\u3044\u304b\u30cd\u30c3\u30c8\u4e0a\u3067\u306f\u304b\u306a\u308a\u53c2\u7167\u3055\u308c\u3066\u3044\u308b\u3088\u3046\u3060\u3002 \u653e\u7f6e\u3059\u308b\u306e\u3082\u306a\u3093\u306a\u306e\u3067\u3001\u5148\u65e5\u3001Metal \u3092\u4ed5\u69d8\u3059\u308b\u969b\u306b\u51fa\u3066\u304f\u308b\u300c\u30b3\u30de\u30f3\u30c9\u300d\u306b\u95a2 &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/p-horlix.net\/blog\/?p=634\" class=\"more-link\"><span class=\"screen-reader-text\">&#8220;Metal \u304c\u3088\u304f\u308f\u304b\u3089\u3093\u3068\u3044\u3046\u4eba\u306f\u516c\u5f0f\u30b5\u30f3\u30d7\u30eb\u304b\u3089\u5165\u308b\u3068\u3044\u3044\u3068\u601d\u3046&#8221; \u306e<\/span>\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":1,"featured_media":635,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true},"categories":[63],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v18.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Metal \u304c\u3088\u304f\u308f\u304b\u3089\u3093\u3068\u3044\u3046\u4eba\u306f\u516c\u5f0f\u30b5\u30f3\u30d7\u30eb\u304b\u3089\u5165\u308b\u3068\u3044\u3044\u3068\u601d\u3046 - PHORLIX Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/p-horlix.net\/blog\/?p=634\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Metal \u304c\u3088\u304f\u308f\u304b\u3089\u3093\u3068\u3044\u3046\u4eba\u306f\u516c\u5f0f\u30b5\u30f3\u30d7\u30eb\u304b\u3089\u5165\u308b\u3068\u3044\u3044\u3068\u601d\u3046 - PHORLIX Blog\" \/>\n<meta property=\"og:description\" content=\"\u4ee5\u524d\u306b\u300cMetal \u5165\u9580\u300d\u3068\u3044\u3046\u8a18\u4e8b\u3092\u66f8\u3044\u305f\u3053\u3068\u304c\u3042\u308b\u306e\u3060\u304c\u3001Metal \u95a2\u4fc2\u306e\u60c5\u5831\u306f\u4e4f\u3057\u3044\u305b\u3044\u304b\u30cd\u30c3\u30c8\u4e0a\u3067\u306f\u304b\u306a\u308a\u53c2\u7167\u3055\u308c\u3066\u3044\u308b\u3088\u3046\u3060\u3002 \u653e\u7f6e\u3059\u308b\u306e\u3082\u306a\u3093\u306a\u306e\u3067\u3001\u5148\u65e5\u3001Metal \u3092\u4ed5\u69d8\u3059\u308b\u969b\u306b\u51fa\u3066\u304f\u308b\u300c\u30b3\u30de\u30f3\u30c9\u300d\u306b\u95a2 &hellip; &quot;Metal \u304c\u3088\u304f\u308f\u304b\u3089\u3093\u3068\u3044\u3046\u4eba\u306f\u516c\u5f0f\u30b5\u30f3\u30d7\u30eb\u304b\u3089\u5165\u308b\u3068\u3044\u3044\u3068\u601d\u3046&quot; \u306e\u7d9a\u304d\u3092\u8aad\u3080\" \/>\n<meta property=\"og:url\" content=\"https:\/\/p-horlix.net\/blog\/?p=634\" \/>\n<meta property=\"og:site_name\" content=\"PHORLIX Blog\" \/>\n<meta property=\"article:published_time\" content=\"2023-04-01T00:16:57+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-04-19T16:33:31+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/p-horlix.net\/blog\/wp-content\/uploads\/2023\/04\/metal-mac-obj-C.png\" \/>\n\t<meta property=\"og:image:width\" content=\"900\" \/>\n\t<meta property=\"og:image:height\" content=\"585\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" 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