{"topic":{"id":13922,"title":"2.2 渲染实验输出问题","slug":"topic","categoryId":56,"createdAt":"2024-11-27 16:16:48.117318","bumpedAt":"2024-11-28 07:13:03.809732","views":182,"postsCount":2,"highestPostNumber":2,"likeCount":2,"closed":false,"pinned":false,"pinnedGlobally":false,"pinnedAt":null,"pinnedUntil":null,"isBanner":false,"excerpt":"在点击运行渲染后，出现下图报错并直接卡死找了一下对应的 vector 文件，对应行为：尝试观察运行，发现是在 RasterizerRenderer::render 这里运行到输出“122”后的 for 循环时报错，但未对 RasterizerRenderer 文件内任何函数进行修改。此外，尝试改了一下 rasterize_triangle 文件，设置 rasterize_triangle 为空也不会产生任何报错（当然也不会有任何输…","deletedAt":null,"isAnonymous":false,"category":{"id":56,"name":"计算机图形学","slug":"cg","color":"92278F"},"author":{"id":3615,"username":"chemmmm","name":null,"avatarUrl":null},"tags":[]},"posts":[{"id":43706,"postNumber":1,"raw":" 在点击运行渲染后，出现下图报错并直接卡死\n![undefined|690x499, 75%](/uploads/image/e0/82/e0828f1101daba8e496ae6b424ddedd052f90fe1897027e3d1db64b971233783.avif)\n 找了一下对应的 vector 文件，对应行为：\n![3|690x60](/uploads/image/10/2f/102f700a92082f7b7f86fae8df8552cba9db85c528648d4b432a6868e2290168.avif)\n 尝试观察运行，发现是在 RasterizerRenderer::render 这里运行到输出“122”后的 for 循环时报错，但未对 RasterizerRenderer 文件内任何函数进行修改。\n![2|690x280](/uploads/image/94/9b/949ba512888386da2647ca125d956b5372f6c36922023c5dc05ceff572c6bf49.avif)\n 此外，尝试改了一下 rasterize_triangle 文件，设置 rasterize_triangle 为空也不会产生任何报错（当然也不会有任何输出），请问可能是哪里出现了问题？","cooked":"

在点击运行渲染后，出现下图报错并直接卡死
\n $\"undefined\"$
\n找了一下对应的 vector 文件，对应行为：
\n $\"3\"$
\n尝试观察运行，发现是在 RasterizerRenderer::render 这里运行到输出“122”后的 for 循环时报错，但未对 RasterizerRenderer 文件内任何函数进行修改。
\n $\"2\"$
\n此外，尝试改了一下 rasterize_triangle 文件，设置 rasterize_triangle 为空也不会产生任何报错（当然也不会有任何输出），请问可能是哪里出现了问题？

\n","createdAt":"2024-11-27 16:16:48.3964","updatedAt":"2024-11-27 16:17:21.941544","replyToPostNumber":null,"replyCount":0,"likeCount":0,"wordCount":137,"liked":false,"bookmarked":false,"polls":[],"reactions":[],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":false,"user":{"id":3615,"username":"chemmmm","name":null,"avatarUrl":null,"admin":false,"moderator":false,"signatureRaw":null,"signatureCooked":null}},{"id":43734,"postNumber":2,"raw":"打印 122 和 123 之间是多线程程序，这意味着你的错误可能出现在 vertexshader rasterizer phongshader 三个线程中的任意一个线程上。\n建议用 debugger 使用 backtrace 查看调用堆栈排查是哪里出错。\n一个常见可能出错的地在 FragmentProcessor::worker_thread 里有个 framebuffer->set_pixel(index,fragment.depth,fragment.color); 这个需要你确保你输出的片元的 index 控制在合法范围内。","cooked":"

打印 122 和 123 之间是多线程程序，这意味着你的错误可能出现在 vertexshader rasterizer phongshader 三个线程中的任意一个线程上。
\n建议用 debugger 使用 backtrace 查看调用堆栈排查是哪里出错。
\n一个常见可能出错的地在 FragmentProcessor::worker_thread 里有个 framebuffer->set_pixel(index,fragment.depth,fragment.color); 这个需要你确保你输出的片元的 index 控制在合法范围内。

\n","createdAt":"2024-11-28 07:13:03.809732","updatedAt":"2024-11-28 07:13:03.809732","replyToPostNumber":null,"replyCount":0,"likeCount":2,"wordCount":105,"liked":false,"bookmarked":false,"polls":[],"reactions":[{"reaction":"❤️","count":2,"users":[{"id":1381,"username":"greyishsong","name":"greyishsong"},{"id":4668,"username":"IO","name":null}],"hasReacted":false}],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":false,"user":{"id":3740,"username":"Lskyi","name":null,"avatarUrl":null,"admin":false,"moderator":false,"signatureRaw":null,"signatureCooked":null}}],"hasMore":false,"lastReadPostNumber":2,"hasUrlPostNumber":true}