{"topic":{"id":6635,"title":"2.2 软光栅渲染器渲染时闪退","slug":"topic","categoryId":56,"createdAt":"2023-10-23 11:32:39.766933","bumpedAt":"2023-10-24 02:51:20.166174","views":251,"postsCount":3,"highestPostNumber":3,"likeCount":0,"closed":true,"pinned":false,"pinnedGlobally":false,"pinnedAt":null,"pinnedUntil":null,"isBanner":false,"excerpt":"没有报错，点击 Render to Image 后会闪退我又尝试了一下，发现是这个 if 语句的问题。我把 fragment_shader 注释后依然闪退，但是把整个 if 语块注释掉就不会闪退了 🥲 问题应该是 get_index 函数返回了 -138369，请问该怎么解决呢","deletedAt":null,"isAnonymous":false,"category":{"id":56,"name":"计算机图形学","slug":"cg","color":"92278F"},"author":{"id":1081,"username":"KON","name":null,"avatarUrl":"/uploads/image/9f/35/9f3549f065dc7f323da5ebdb5fce01f65bbf19dbd566d5b3d817a08a7b59e7fd.avif"},"tags":[]},"posts":[{"id":14368,"postNumber":1,"raw":"没有报错，点击 Render to Image 后会闪退\n\n![图片|690x118](/uploads/image/0c/0b/0c0b94f3640c183bcaafbc99f94ed30e03212f1c0af7dd675c4570e26c562214.avif)\n我又尝试了一下，发现是这个 if 语句的问题。\n我把 fragment_shader 注释后依然闪退，但是把整个 if 语块注释掉就不会闪退了 :smiling_face_with_tear:\n![图片|322x56](/uploads/image/2c/9a/2c9ac88dd30d67b3d41a2cdb62088932d543cace03fbafea82092e6ea3ab0bad.avif)\n问题应该是 get_index 函数返回了 -138369，请问该怎么解决呢","cooked":"

没有报错，点击 Render to Image 后会闪退

$\"图片\"$
\n我又尝试了一下，发现是这个 if 语句的问题。
\n我把 fragment_shader 注释后依然闪退，但是把整个 if 语块注释掉就不会闪退了 🥲
\n $\"图片\"$
\n问题应该是 get_index 函数返回了 -138369，请问该怎么解决呢

\n","createdAt":"2023-10-23 11:32:39.839707","updatedAt":"2023-10-24 04:50:10.067201","replyToPostNumber":null,"replyCount":0,"likeCount":0,"wordCount":91,"liked":false,"bookmarked":false,"polls":[],"reactions":[],"wiki":false,"version":4,"publicVersion":4,"deletedAt":null,"isAnonymous":false,"user":{"id":1081,"username":"KON","name":null,"avatarUrl":"/uploads/image/9f/35/9f3549f065dc7f323da5ebdb5fce01f65bbf19dbd566d5b3d817a08a7b59e7fd.avif","admin":false,"moderator":false,"signatureRaw":null,"signatureCooked":null}},{"id":14374,"postNumber":2,"raw":"![图片|690x53](/uploads/image/32/1c/321cd84a8125567086e4ed2114d11e2a3d9303e95beab2696bb75b0647016821.avif)\n:smiling_face_with_tear:我把 draw 函数里的 rasterize_triangle 注释掉就不会闪退","cooked":"

$\"图片\"$
\n🥲我把 draw 函数里的 rasterize_triangle 注释掉就不会闪退

\n","createdAt":"2023-10-23 13:21:52.918326","updatedAt":"2023-10-23 13:21:52.918326","replyToPostNumber":null,"replyCount":0,"likeCount":0,"wordCount":21,"liked":false,"bookmarked":false,"polls":[],"reactions":[],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":false,"user":{"id":1081,"username":"KON","name":null,"avatarUrl":"/uploads/image/9f/35/9f3549f065dc7f323da5ebdb5fce01f65bbf19dbd566d5b3d817a08a7b59e7fd.avif","admin":false,"moderator":false,"signatureRaw":null,"signatureCooked":null}},{"id":14375,"postNumber":3,"raw":"这里可能出现的问题很多，比如你的 newtriangle 创建出现问题，或者 rasterize_triangle 内部实现出现问题，都可能产生闪退","cooked":"

这里可能出现的问题很多，比如你的 newtriangle 创建出现问题，或者 rasterize_triangle 内部实现出现问题，都可能产生闪退

\n","createdAt":"2023-10-23 13:27:11.16889","updatedAt":"2023-10-23 13:35:24.932854","replyToPostNumber":null,"replyCount":0,"likeCount":0,"wordCount":43,"liked":false,"bookmarked":false,"polls":[],"reactions":[],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":false,"user":{"id":1488,"username":"roland","name":"李昌洲","avatarUrl":null,"admin":false,"moderator":false,"signatureRaw":null,"signatureCooked":null}}],"hasMore":false,"lastReadPostNumber":3,"hasUrlPostNumber":true}