{"id":22,"date":"2024-02-27T00:32:51","date_gmt":"2024-02-26T16:32:51","guid":{"rendered":"http:\/\/120.26.79.199\/?p=22"},"modified":"2024-02-27T00:32:51","modified_gmt":"2024-02-26T16:32:51","slug":"opengl","status":"publish","type":"post","link":"https:\/\/tapfun.top\/index.php\/2024\/02\/27\/opengl\/","title":{"rendered":"OpenGL"},"content":{"rendered":"\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u539f\u6587<\/th><th><a href=\"http:\/\/learnopengl.com\/#!Getting-started\/OpenGL\">OpenGL<\/a><\/th><\/tr><\/thead><tbody><tr><td>\u4f5c\u8005<\/td><td>JoeyDeVries<\/td><\/tr><tr><td>\u7ffb\u8bd1<\/td><td>gjy_1992, Krasjet<\/td><\/tr><tr><td>\u6821\u5bf9<\/td><td>\u6682\u672a\u6821\u5bf9<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u5f00\u59cb\u8fd9\u6bb5\u65c5\u7a0b\u4e4b\u524d\u6211\u4eec\u5148\u4e86\u89e3\u4e00\u4e0bOpenGL\u5230\u5e95\u662f\u4ec0\u4e48\u3002\u4e00\u822c\u5b83\u88ab\u8ba4\u4e3a\u662f\u4e00\u4e2aAPI(Application Programming Interface, \u5e94\u7528\u7a0b\u5e8f\u7f16\u7a0b\u63a5\u53e3)\uff0c\u5305\u542b\u4e86\u4e00\u7cfb\u5217\u53ef\u4ee5\u64cd\u4f5c\u56fe\u5f62\u3001\u56fe\u50cf\u7684\u51fd\u6570\u3002\u7136\u800c\uff0cOpenGL\u672c\u8eab\u5e76\u4e0d\u662f\u4e00\u4e2aAPI\uff0c\u5b83\u4ec5\u4ec5\u662f\u4e00\u4e2a\u7531<a href=\"http:\/\/www.khronos.org\/\">Khronos\u7ec4\u7ec7<\/a>\u5236\u5b9a\u5e76\u7ef4\u62a4\u7684\u89c4\u8303(Specification)\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"275\" height=\"142\" src=\"http:\/\/120.26.79.199\/wp-content\/uploads\/2024\/02\/image.jpeg\" alt=\"OpenGL Logo\" class=\"wp-image-23\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">OpenGL\u89c4\u8303\u4e25\u683c\u89c4\u5b9a\u4e86\u6bcf\u4e2a\u51fd\u6570\u8be5\u5982\u4f55\u6267\u884c\uff0c\u4ee5\u53ca\u5b83\u4eec\u7684\u8f93\u51fa\u503c\u3002\u81f3\u4e8e\u5185\u90e8\u5177\u4f53\u6bcf\u4e2a\u51fd\u6570\u662f\u5982\u4f55\u5b9e\u73b0(Implement)\u7684\uff0c\u5c06\u7531OpenGL\u5e93\u7684\u5f00\u53d1\u8005\u81ea\u884c\u51b3\u5b9a\uff08\u8bd1\u6ce8\uff1a\u8fd9\u91cc\u5f00\u53d1\u8005\u662f\u6307\u7f16\u5199OpenGL\u5e93\u7684\u4eba\uff09\u3002\u56e0\u4e3aOpenGL\u89c4\u8303\u5e76\u6ca1\u6709\u89c4\u5b9a\u5b9e\u73b0\u7684\u7ec6\u8282\uff0c\u5177\u4f53\u7684OpenGL\u5e93\u5141\u8bb8\u4f7f\u7528\u4e0d\u540c\u7684\u5b9e\u73b0\uff0c\u53ea\u8981\u5176\u529f\u80fd\u548c\u7ed3\u679c\u4e0e\u89c4\u8303\u76f8\u5339\u914d\uff08\u4ea6\u5373\uff0c\u4f5c\u4e3a\u7528\u6237\u4e0d\u4f1a\u611f\u53d7\u5230\u529f\u80fd\u4e0a\u7684\u5dee\u5f02\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9e\u9645\u7684OpenGL\u5e93\u7684\u5f00\u53d1\u8005\u901a\u5e38\u662f\u663e\u5361\u7684\u751f\u4ea7\u5546\u3002\u4f60\u8d2d\u4e70\u7684\u663e\u5361\u6240\u652f\u6301\u7684OpenGL\u7248\u672c\u90fd\u4e3a\u8fd9\u4e2a\u7cfb\u5217\u7684\u663e\u5361\u4e13\u95e8\u5f00\u53d1\u7684\u3002\u5f53\u4f60\u4f7f\u7528Apple\u7cfb\u7edf\u7684\u65f6\u5019\uff0cOpenGL\u5e93\u662f\u7531Apple\u81ea\u8eab\u7ef4\u62a4\u7684\u3002\u5728Linux\u4e0b\uff0c\u6709\u663e\u5361\u751f\u4ea7\u5546\u63d0\u4f9b\u7684OpenGL\u5e93\uff0c\u4e5f\u6709\u4e00\u4e9b\u7231\u597d\u8005\u6539\u7f16\u7684\u7248\u672c\u3002\u8fd9\u4e5f\u610f\u5473\u7740\u4efb\u4f55\u65f6\u5019OpenGL\u5e93\u8868\u73b0\u7684\u884c\u4e3a\u4e0e\u89c4\u8303\u89c4\u5b9a\u7684\u4e0d\u4e00\u81f4\u65f6\uff0c\u57fa\u672c\u90fd\u662f\u5e93\u7684\u5f00\u53d1\u8005\u7559\u4e0b\u7684bug\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7531\u4e8eOpenGL\u7684\u5927\u591a\u6570\u5b9e\u73b0\u90fd\u662f\u7531\u663e\u5361\u5382\u5546\u7f16\u5199\u7684\uff0c\u5f53\u4ea7\u751f\u4e00\u4e2abug\u65f6\u901a\u5e38\u53ef\u4ee5\u901a\u8fc7\u5347\u7ea7\u663e\u5361\u9a71\u52a8\u6765\u89e3\u51b3\u3002\u8fd9\u4e9b\u9a71\u52a8\u4f1a\u5305\u62ec\u4f60\u7684\u663e\u5361\u80fd\u652f\u6301\u7684\u6700\u65b0\u7248\u672c\u7684OpenGL\uff0c\u8fd9\u4e5f\u662f\u4e3a\u4ec0\u4e48\u603b\u662f\u5efa\u8bae\u4f60\u5076\u5c14\u66f4\u65b0\u4e00\u4e0b\u663e\u5361\u9a71\u52a8\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u6709\u7248\u672c\u7684OpenGL\u89c4\u8303\u6587\u6863\u90fd\u88ab\u516c\u5f00\u7684\u5bc4\u5b58\u5728Khronos\u90a3\u91cc\u3002\u6709\u5174\u8da3\u7684\u8bfb\u8005\u53ef\u4ee5\u627e\u5230OpenGL3.3\uff08\u6211\u4eec\u5c06\u8981\u4f7f\u7528\u7684\u7248\u672c\uff09\u7684<a href=\"https:\/\/www.opengl.org\/registry\/doc\/glspec33.core.20100311.withchanges.pdf\">\u89c4\u8303\u6587\u6863<\/a>\u3002\u5982\u679c\u4f60\u60f3\u6df1\u5165\u5230OpenGL\u7684\u7ec6\u8282\uff08\u53ea\u5173\u5fc3\u51fd\u6570\u529f\u80fd\u7684\u63cf\u8ff0\u800c\u4e0d\u662f\u51fd\u6570\u7684\u5b9e\u73b0\uff09\uff0c\u8fd9\u662f\u4e2a\u5f88\u597d\u7684\u9009\u62e9\u3002\u5982\u679c\u4f60\u60f3\u77e5\u9053\u6bcf\u4e2a\u51fd\u6570<strong>\u5177\u4f53\u7684<\/strong>\u8fd0\u4f5c\u65b9\u5f0f\uff0c\u8fd9\u4e2a\u89c4\u8303\u4e5f\u662f\u4e00\u4e2a\u5f88\u68d2\u7684\u53c2\u8003\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"_1\">\u6838\u5fc3\u6a21\u5f0f\u4e0e\u7acb\u5373\u6e32\u67d3\u6a21\u5f0f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u65e9\u671f\u7684OpenGL\u4f7f\u7528\u7acb\u5373\u6e32\u67d3\u6a21\u5f0f\uff08Immediate mode\uff0c\u4e5f\u5c31\u662f\u56fa\u5b9a\u6e32\u67d3\u7ba1\u7ebf\uff09\uff0c\u8fd9\u4e2a\u6a21\u5f0f\u4e0b\u7ed8\u5236\u56fe\u5f62\u5f88\u65b9\u4fbf\u3002OpenGL\u7684\u5927\u591a\u6570\u529f\u80fd\u90fd\u88ab\u5e93\u9690\u85cf\u8d77\u6765\uff0c\u5f00\u53d1\u8005\u5f88\u5c11\u6709\u63a7\u5236OpenGL\u5982\u4f55\u8fdb\u884c\u8ba1\u7b97\u7684\u81ea\u7531\u3002\u800c\u5f00\u53d1\u8005\u8feb\u5207\u5e0c\u671b\u80fd\u6709\u66f4\u591a\u7684\u7075\u6d3b\u6027\u3002\u968f\u7740\u65f6\u95f4\u63a8\u79fb\uff0c\u89c4\u8303\u8d8a\u6765\u8d8a\u7075\u6d3b\uff0c\u5f00\u53d1\u8005\u5bf9\u7ed8\u56fe\u7ec6\u8282\u6709\u4e86\u66f4\u591a\u7684\u638c\u63a7\u3002\u7acb\u5373\u6e32\u67d3\u6a21\u5f0f\u786e\u5b9e\u5bb9\u6613\u4f7f\u7528\u548c\u7406\u89e3\uff0c\u4f46\u662f\u6548\u7387\u592a\u4f4e\u3002\u56e0\u6b64\u4eceOpenGL3.2\u5f00\u59cb\uff0c\u89c4\u8303\u6587\u6863\u5f00\u59cb\u5e9f\u5f03\u7acb\u5373\u6e32\u67d3\u6a21\u5f0f\uff0c\u5e76\u9f13\u52b1\u5f00\u53d1\u8005\u5728OpenGL\u7684\u6838\u5fc3\u6a21\u5f0f(Core-profile)\u4e0b\u8fdb\u884c\u5f00\u53d1\uff0c\u8fd9\u4e2a\u5206\u652f\u7684\u89c4\u8303\u5b8c\u5168\u79fb\u9664\u4e86\u65e7\u7684\u7279\u6027\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u4f7f\u7528OpenGL\u7684\u6838\u5fc3\u6a21\u5f0f\u65f6\uff0cOpenGL\u8feb\u4f7f\u6211\u4eec\u4f7f\u7528\u73b0\u4ee3\u7684\u51fd\u6570\u3002\u5f53\u6211\u4eec\u8bd5\u56fe\u4f7f\u7528\u4e00\u4e2a\u5df2\u5e9f\u5f03\u7684\u51fd\u6570\u65f6\uff0cOpenGL\u4f1a\u629b\u51fa\u4e00\u4e2a\u9519\u8bef\u5e76\u7ec8\u6b62\u7ed8\u56fe\u3002\u73b0\u4ee3\u51fd\u6570\u7684\u4f18\u52bf\u662f\u66f4\u9ad8\u7684\u7075\u6d3b\u6027\u548c\u6548\u7387\uff0c\u7136\u800c\u4e5f\u66f4\u96be\u4e8e\u5b66\u4e60\u3002\u7acb\u5373\u6e32\u67d3\u6a21\u5f0f\u4eceOpenGL<strong>\u5b9e\u9645<\/strong>\u8fd0\u4f5c\u4e2d\u62bd\u8c61\u6389\u4e86\u5f88\u591a\u7ec6\u8282\uff0c\u56e0\u6b64\u5b83\u5728\u6613\u4e8e\u5b66\u4e60\u7684\u540c\u65f6\uff0c\u4e5f\u5f88\u96be\u8ba9\u4eba\u53bb\u628a\u63e1OpenGL\u5177\u4f53\u662f\u5982\u4f55\u8fd0\u4f5c\u7684\u3002\u73b0\u4ee3\u51fd\u6570\u8981\u6c42\u4f7f\u7528\u8005\u771f\u6b63\u7406\u89e3OpenGL\u548c\u56fe\u5f62\u7f16\u7a0b\uff0c\u5b83\u6709\u4e00\u4e9b\u96be\u5ea6\uff0c\u7136\u800c\u63d0\u4f9b\u4e86\u66f4\u591a\u7684\u7075\u6d3b\u6027\uff0c\u66f4\u9ad8\u7684\u6548\u7387\uff0c\u66f4\u91cd\u8981\u7684\u662f\u53ef\u4ee5\u66f4\u6df1\u5165\u7684\u7406\u89e3\u56fe\u5f62\u7f16\u7a0b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e5f\u662f\u4e3a\u4ec0\u4e48\u6211\u4eec\u7684\u6559\u7a0b\u9762\u5411OpenGL3.3\u7684\u6838\u5fc3\u6a21\u5f0f\u3002\u867d\u7136\u4e0a\u624b\u66f4\u56f0\u96be\uff0c\u4f46\u8fd9\u4efd\u52aa\u529b\u662f\u503c\u5f97\u7684\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u73b0\u4eca\uff0c\u66f4\u9ad8\u7248\u672c\u7684OpenGL\u5df2\u7ecf\u53d1\u5e03\uff08\u5199\u4f5c\u65f6\u6700\u65b0\u7248\u672c\u4e3a4.5\uff09\uff0c\u4f60\u53ef\u80fd\u4f1a\u95ee\uff1a\u65e2\u7136OpenGL 4.5 \u90fd\u51fa\u6765\u4e86\uff0c\u4e3a\u4ec0\u4e48\u6211\u4eec\u8fd8\u8981\u5b66\u4e60OpenGL 3.3\uff1f\u7b54\u6848\u5f88\u7b80\u5355\uff0c\u6240\u6709OpenGL\u7684\u66f4\u9ad8\u7684\u7248\u672c\u90fd\u662f\u57283.3\u7684\u57fa\u7840\u4e0a\uff0c\u5f15\u5165\u4e86\u989d\u5916\u7684\u529f\u80fd\uff0c\u5e76\u6ca1\u6709\u6539\u52a8\u6838\u5fc3\u67b6\u6784\u3002\u65b0\u7248\u672c\u53ea\u662f\u5f15\u5165\u4e86\u4e00\u4e9b\u66f4\u6709\u6548\u7387\u6216\u66f4\u6709\u7528\u7684\u65b9\u5f0f\u53bb\u5b8c\u6210\u540c\u6837\u7684\u529f\u80fd\u3002\u56e0\u6b64\uff0c\u6240\u6709\u7684\u6982\u5ff5\u548c\u6280\u672f\u5728\u73b0\u4ee3OpenGL\u7248\u672c\u91cc\u90fd\u4fdd\u6301\u4e00\u81f4\u3002\u5f53\u4f60\u7684\u7ecf\u9a8c\u8db3\u591f\uff0c\u4f60\u53ef\u4ee5\u8f7b\u677e\u4f7f\u7528\u6765\u81ea\u66f4\u9ad8\u7248\u672cOpenGL\u7684\u65b0\u7279\u6027\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u4f7f\u7528\u65b0\u7248\u672c\u7684OpenGL\u7279\u6027\u65f6\uff0c\u53ea\u6709\u65b0\u4e00\u4ee3\u7684\u663e\u5361\u80fd\u591f\u652f\u6301\u4f60\u7684\u5e94\u7528\u7a0b\u5e8f\u3002\u8fd9\u4e5f\u662f\u4e3a\u4ec0\u4e48\u5927\u591a\u6570\u5f00\u53d1\u8005\u57fa\u4e8e\u8f83\u4f4e\u7248\u672c\u7684OpenGL\u7f16\u5199\u7a0b\u5e8f\uff0c\u5e76\u53ea\u63d0\u4f9b\u9009\u9879\u542f\u7528\u65b0\u7248\u672c\u7684\u7279\u6027\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u6709\u4e9b\u6559\u7a0b\u91cc\u4f60\u4f1a\u770b\u89c1\u66f4\u73b0\u4ee3\u7684\u7279\u6027\uff0c\u5b83\u4eec\u540c\u6837\u4f1a\u4ee5\u8fd9\u79cd\u7ea2\u8272\u6ce8\u91ca\u65b9\u5f0f\u6807\u660e\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"_2\">\u6269\u5c55<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">OpenGL\u7684\u4e00\u5927\u7279\u6027\u5c31\u662f\u5bf9\u6269\u5c55(Extension)\u7684\u652f\u6301\uff0c\u5f53\u4e00\u4e2a\u663e\u5361\u516c\u53f8\u63d0\u51fa\u4e00\u4e2a\u65b0\u7279\u6027\u6216\u8005\u6e32\u67d3\u4e0a\u7684\u5927\u4f18\u5316\uff0c\u901a\u5e38\u4f1a\u4ee5\u6269\u5c55\u7684\u65b9\u5f0f\u5728\u9a71\u52a8\u4e2d\u5b9e\u73b0\u3002\u5982\u679c\u4e00\u4e2a\u7a0b\u5e8f\u5728\u652f\u6301\u8fd9\u4e2a\u6269\u5c55\u7684\u663e\u5361\u4e0a\u8fd0\u884c\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e2a\u6269\u5c55\u63d0\u4f9b\u7684\u4e00\u4e9b\u66f4\u5148\u8fdb\u66f4\u6709\u6548\u7684\u56fe\u5f62\u529f\u80fd\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u5f00\u53d1\u8005\u4e0d\u5fc5\u7b49\u5f85\u4e00\u4e2a\u65b0\u7684OpenGL\u89c4\u8303\u9762\u4e16\uff0c\u5c31\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e9b\u65b0\u7684\u6e32\u67d3\u7279\u6027\u4e86\uff0c\u53ea\u9700\u8981\u7b80\u5355\u5730\u68c0\u67e5\u4e00\u4e0b\u663e\u5361\u662f\u5426\u652f\u6301\u6b64\u6269\u5c55\u3002\u901a\u5e38\uff0c\u5f53\u4e00\u4e2a\u6269\u5c55\u975e\u5e38\u6d41\u884c\u6216\u8005\u975e\u5e38\u6709\u7528\u7684\u65f6\u5019\uff0c\u5b83\u5c06\u6700\u7ec8\u6210\u4e3a\u672a\u6765\u7684OpenGL\u89c4\u8303\u7684\u4e00\u90e8\u5206\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f7f\u7528\u6269\u5c55\u7684\u4ee3\u7801\u5927\u591a\u770b\u4e0a\u53bb\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>if(GL_ARB_extension_name)\n{\n    \/\/ \u4f7f\u7528\u786c\u4ef6\u652f\u6301\u7684\u5168\u65b0\u7684\u73b0\u4ee3\u7279\u6027\n}\nelse\n{\n    \/\/ \u4e0d\u652f\u6301\u6b64\u6269\u5c55: \u7528\u65e7\u7684\u65b9\u5f0f\u53bb\u505a\n}\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f7f\u7528OpenGL3.3\u65f6\uff0c\u6211\u4eec\u5f88\u5c11\u9700\u8981\u4f7f\u7528\u6269\u5c55\u6765\u5b8c\u6210\u5927\u591a\u6570\u529f\u80fd\uff0c\u5f53\u9700\u8981\u7684\u65f6\u5019\uff0c\u672c\u6559\u7a0b\u5c06\u63d0\u4f9b\u9002\u5f53\u7684\u6307\u793a\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"_3\">\u72b6\u6001\u673a<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">OpenGL\u81ea\u8eab\u662f\u4e00\u4e2a\u5de8\u5927\u7684\u72b6\u6001\u673a(State Machine)\uff1a\u4e00\u7cfb\u5217\u7684\u53d8\u91cf\u63cf\u8ff0OpenGL\u6b64\u523b\u5e94\u5f53\u5982\u4f55\u8fd0\u884c\u3002OpenGL\u7684\u72b6\u6001\u901a\u5e38\u88ab\u79f0\u4e3aOpenGL\u4e0a\u4e0b\u6587(Context)\u3002\u6211\u4eec\u901a\u5e38\u4f7f\u7528\u5982\u4e0b\u9014\u5f84\u53bb\u66f4\u6539OpenGL\u72b6\u6001\uff1a\u8bbe\u7f6e\u9009\u9879\uff0c\u64cd\u4f5c\u7f13\u51b2\u3002\u6700\u540e\uff0c\u6211\u4eec\u4f7f\u7528\u5f53\u524dOpenGL\u4e0a\u4e0b\u6587\u6765\u6e32\u67d3\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5047\u8bbe\u5f53\u6211\u4eec\u60f3\u544a\u8bc9OpenGL\u53bb\u753b\u7ebf\u6bb5\u800c\u4e0d\u662f\u4e09\u89d2\u5f62\u7684\u65f6\u5019\uff0c\u6211\u4eec\u901a\u8fc7\u6539\u53d8\u4e00\u4e9b\u4e0a\u4e0b\u6587\u53d8\u91cf\u6765\u6539\u53d8OpenGL\u72b6\u6001\uff0c\u4ece\u800c\u544a\u8bc9OpenGL\u5982\u4f55\u53bb\u7ed8\u56fe\u3002\u4e00\u65e6\u6211\u4eec\u6539\u53d8\u4e86OpenGL\u7684\u72b6\u6001\u4e3a\u7ed8\u5236\u7ebf\u6bb5\uff0c\u4e0b\u4e00\u4e2a\u7ed8\u5236\u547d\u4ee4\u5c31\u4f1a\u753b\u51fa\u7ebf\u6bb5\u800c\u4e0d\u662f\u4e09\u89d2\u5f62\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u4f7f\u7528OpenGL\u7684\u65f6\u5019\uff0c\u6211\u4eec\u4f1a\u9047\u5230\u4e00\u4e9b\u72b6\u6001\u8bbe\u7f6e\u51fd\u6570(State-changing Function)\uff0c\u8fd9\u7c7b\u51fd\u6570\u5c06\u4f1a\u6539\u53d8\u4e0a\u4e0b\u6587\u3002\u4ee5\u53ca\u72b6\u6001\u4f7f\u7528\u51fd\u6570(State-using Function)\uff0c\u8fd9\u7c7b\u51fd\u6570\u4f1a\u6839\u636e\u5f53\u524dOpenGL\u7684\u72b6\u6001\u6267\u884c\u4e00\u4e9b\u64cd\u4f5c\u3002\u53ea\u8981\u4f60\u8bb0\u4f4fOpenGL\u672c\u8d28\u4e0a\u662f\u4e2a\u5927\u72b6\u6001\u673a\uff0c\u5c31\u80fd\u66f4\u5bb9\u6613\u7406\u89e3\u5b83\u7684\u5927\u90e8\u5206\u7279\u6027\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"_4\">\u5bf9\u8c61<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">OpenGL\u5e93\u662f\u7528C\u8bed\u8a00\u5199\u7684\uff0c\u540c\u65f6\u4e5f\u652f\u6301\u591a\u79cd\u8bed\u8a00\u7684\u6d3e\u751f\uff0c\u4f46\u5176\u5185\u6838\u4ecd\u662f\u4e00\u4e2aC\u5e93\u3002\u7531\u4e8eC\u7684\u4e00\u4e9b\u8bed\u8a00\u7ed3\u6784\u4e0d\u6613\u88ab\u7ffb\u8bd1\u5230\u5176\u5b83\u7684\u9ad8\u7ea7\u8bed\u8a00\uff0c\u56e0\u6b64OpenGL\u5f00\u53d1\u7684\u65f6\u5019\u5f15\u5165\u4e86\u4e00\u4e9b\u62bd\u8c61\u5c42\u3002\u201c\u5bf9\u8c61(Object)\u201d\u5c31\u662f\u5176\u4e2d\u4e00\u4e2a\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728OpenGL\u4e2d\u4e00\u4e2a\u5bf9\u8c61\u662f\u6307\u4e00\u4e9b\u9009\u9879\u7684\u96c6\u5408\uff0c\u5b83\u4ee3\u8868OpenGL\u72b6\u6001\u7684\u4e00\u4e2a\u5b50\u96c6\u3002\u6bd4\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u7528\u4e00\u4e2a\u5bf9\u8c61\u6765\u4ee3\u8868\u7ed8\u56fe\u7a97\u53e3\u7684\u8bbe\u7f6e\uff0c\u4e4b\u540e\u6211\u4eec\u5c31\u53ef\u4ee5\u8bbe\u7f6e\u5b83\u7684\u5927\u5c0f\u3001\u652f\u6301\u7684\u989c\u8272\u4f4d\u6570\u7b49\u7b49\u3002\u53ef\u4ee5\u628a\u5bf9\u8c61\u770b\u505a\u4e00\u4e2aC\u98ce\u683c\u7684\u7ed3\u6784\u4f53(Struct)\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>struct object_name {\n    float  option1;\n    int    option2;\n    char&#91;] name;\n};\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bd1\u6ce8<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u66f4\u65b0\u524d\u7684\u6559\u7a0b\u4e2d\u4e00\u76f4\u4f7f\u7528\u7684\u90fd\u662fOpenGL\u7684\u57fa\u672c\u7c7b\u578b\uff0c\u4f46\u7531\u4e8e\u4f5c\u8005\u89c9\u5f97\u5728\u672c\u6559\u7a0b\u7cfb\u5217\u4e2d\u5e76\u6ca1\u6709\u4e00\u4e2a\u5fc5\u987b\u4f7f\u7528\u5b83\u4eec\u7684\u539f\u56e0\uff0c\u6240\u6709\u7684\u7c7b\u578b\u90fd\u6539\u4e3a\u4e86\u81ea\u5e26\u7c7b\u578b\u3002\u4f46\u662f\u8bf7\u4ecd\u7136\u8bb0\u4f4f\uff0c\u4f7f\u7528OpenGL\u7684\u7c7b\u578b\u7684\u597d\u5904\u662f\u4fdd\u8bc1\u4e86\u5728\u5404\u5e73\u53f0\u4e2d\u6bcf\u4e00\u79cd\u7c7b\u578b\u7684\u5927\u5c0f\u90fd\u662f\u7edf\u4e00\u7684\u3002\u4f60\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5176\u5b83\u7684\u5b9a\u5bbd\u7c7b\u578b(Fixed-width Type)\u6765\u5b9e\u73b0\u8fd9\u4e00\u70b9\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u6211\u4eec\u4f7f\u7528\u4e00\u4e2a\u5bf9\u8c61\u65f6\uff0c\u901a\u5e38\u770b\u8d77\u6765\u50cf\u5982\u4e0b\u4e00\u6837\uff08\u628aOpenGL\u4e0a\u4e0b\u6587\u770b\u4f5c\u4e00\u4e2a\u5927\u7684\u7ed3\u6784\u4f53\uff09\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ OpenGL\u7684\u72b6\u6001\nstruct OpenGL_Context {\n    ...\n    object* object_Window_Target;\n    ...     \n};\n<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u521b\u5efa\u5bf9\u8c61\nunsigned int objectId = 0;\nglGenObject(1, &amp;objectId);\n\/\/ \u7ed1\u5b9a\u5bf9\u8c61\u81f3\u4e0a\u4e0b\u6587\nglBindObject(GL_WINDOW_TARGET, objectId);\n\/\/ \u8bbe\u7f6e\u5f53\u524d\u7ed1\u5b9a\u5230 GL_WINDOW_TARGET \u7684\u5bf9\u8c61\u7684\u4e00\u4e9b\u9009\u9879\nglSetObjectOption(GL_WINDOW_TARGET, GL_OPTION_WINDOW_WIDTH, 800);\nglSetObjectOption(GL_WINDOW_TARGET, GL_OPTION_WINDOW_HEIGHT, 600);\n\/\/ \u5c06\u4e0a\u4e0b\u6587\u5bf9\u8c61\u8bbe\u56de\u9ed8\u8ba4\nglBindObject(GL_WINDOW_TARGET, 0);\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e00\u5c0f\u6bb5\u4ee3\u7801\u5c55\u73b0\u4e86\u4f60\u4ee5\u540e\u4f7f\u7528OpenGL\u65f6\u5e38\u89c1\u7684\u5de5\u4f5c\u6d41\u3002\u6211\u4eec\u9996\u5148\u521b\u5efa\u4e00\u4e2a\u5bf9\u8c61\uff0c\u7136\u540e\u7528\u4e00\u4e2aid\u4fdd\u5b58\u5b83\u7684\u5f15\u7528\uff08\u5b9e\u9645\u6570\u636e\u88ab\u50a8\u5b58\u5728\u540e\u53f0\uff09\u3002\u7136\u540e\u6211\u4eec\u5c06\u5bf9\u8c61\u7ed1\u5b9a\u81f3\u4e0a\u4e0b\u6587\u7684\u76ee\u6807\u4f4d\u7f6e\uff08\u4f8b\u5b50\u4e2d\u7a97\u53e3\u5bf9\u8c61\u76ee\u6807\u7684\u4f4d\u7f6e\u88ab\u5b9a\u4e49\u6210<var>GL_WINDOW_TARGET<\/var>\uff09\u3002\u63a5\u4e0b\u6765\u6211\u4eec\u8bbe\u7f6e\u7a97\u53e3\u7684\u9009\u9879\u3002\u6700\u540e\u6211\u4eec\u5c06\u76ee\u6807\u4f4d\u7f6e\u7684\u5bf9\u8c61id\u8bbe\u56de0\uff0c\u89e3\u7ed1\u8fd9\u4e2a\u5bf9\u8c61\u3002\u8bbe\u7f6e\u7684\u9009\u9879\u5c06\u88ab\u4fdd\u5b58\u5728<var>objectId<\/var>\u6240\u5f15\u7528\u7684\u5bf9\u8c61\u4e2d\uff0c\u4e00\u65e6\u6211\u4eec\u91cd\u65b0\u7ed1\u5b9a\u8fd9\u4e2a\u5bf9\u8c61\u5230<var>GL_WINDOW_TARGET<\/var>\u4f4d\u7f6e\uff0c\u8fd9\u4e9b\u9009\u9879\u5c31\u4f1a\u91cd\u65b0\u751f\u6548\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u76ee\u524d\u63d0\u4f9b\u7684\u793a\u4f8b\u4ee3\u7801\u53ea\u662fOpenGL\u5982\u4f55\u64cd\u4f5c\u7684\u4e00\u4e2a\u5927\u81f4\u63cf\u8ff0\uff0c\u901a\u8fc7\u9605\u8bfb\u4ee5\u540e\u7684\u6559\u7a0b\u4f60\u4f1a\u9047\u5230\u5f88\u591a\u5b9e\u9645\u7684\u4f8b\u5b50\u3002<\/p>\n\n\n\n<p 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OpenGL \u4f5c\u8005 JoeyDeVries \u7ffb\u8bd1 gjy_1992, Krasjet \u6821\u5bf9 \u6682\u672a\u6821\u5bf9 \u5728 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