{"id":3636,"date":"2021-11-18T22:57:00","date_gmt":"2021-11-18T14:57:00","guid":{"rendered":"https:\/\/www.yumefx.com\/?p=3636"},"modified":"2022-02-10T17:41:18","modified_gmt":"2022-02-10T09:41:18","slug":"%e6%b8%b2%e6%9f%93%e7%ae%a1%e7%ba%bf%e5%9f%ba%e7%a1%80","status":"publish","type":"post","link":"https:\/\/www.yumefx.com\/?p=3636","title":{"rendered":"\u6e32\u67d3\u7ba1\u7ebf\u57fa\u7840"},"content":{"rendered":"\n<h1 style=\"text-align: center;\">\u524d\u8a00<\/h1>\n<p>\u867d\u7136\u4e4b\u524d\u66f4\u65b0\u4e86\u591a\u7bc7shader\u76f8\u5173\u7684\u535a\u6587\uff0c\u4f46\u6211\u5bf9\u4e8e\u6e32\u67d3\u7ba1\u7ebf\u4ecd\u7136\u5904\u4e8e\u4e00\u77e5\u534a\u89e3\u7684\u7a0b\u5ea6\uff0c\u4eca\u5929\u5c31\u597d\u597d\u6574\u7406\u4e00\u4e0b\u53d1\u51fa\u6765\u3002<\/p>\n<h1>\u00a0<\/h1>\n<h1 style=\"text-align: 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loading=\"lazy\" class=\"size-full wp-image-3683 aligncenter\" src=\"https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/RenderingPipeline_01.jpg\" alt=\"\" width=\"1367\" height=\"759\" srcset=\"https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/RenderingPipeline_01.jpg 1367w, https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/RenderingPipeline_01-300x167.jpg 300w, https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/RenderingPipeline_01-1024x569.jpg 1024w, https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/RenderingPipeline_01-768x426.jpg 768w\" sizes=\"(max-width: 1367px) 100vw, 1367px\" \/><\/p>\n<p>\u84dd\u8272\u90e8\u5206\u7531CPU\u8d1f\u8d23\u8ba1\u7b97\uff0c\u7eff\u8272\u90e8\u5206\u5219\u662fGPU\u8d1f\u8d23\u8ba1\u7b97\uff0c\u5176\u4e2dGPU\u6e32\u67d3\u7ba1\u7ebf\u5927\u81f4\u6b65\u9aa4\u5982\u4e0b\u3002<\/p>\n<p><img loading=\"lazy\" class=\"size-full wp-image-4055 aligncenter\" src=\"https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/RenderingPipeline_18.jpg\" alt=\"\" width=\"1375\" height=\"488\" srcset=\"https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/RenderingPipeline_18.jpg 1375w, https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/RenderingPipeline_18-300x106.jpg 300w, https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/RenderingPipeline_18-1024x363.jpg 1024w, https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/RenderingPipeline_18-768x273.jpg 768w\" sizes=\"(max-width: 1375px) 100vw, 1375px\" \/><\/p>\n<p>\u4ece\u6982\u5ff5\u4e0a\u6765\u8bf4\uff0c\u6574\u4e2a\u6e32\u67d3\u7ba1\u7ebf\u5927\u81f4\u5206\u4e3a\u5e94\u7528\u9636\u6bb5\u3001\u51e0\u4f55\u9636\u6bb5\u3001\u5149\u6805\u5316\u9636\u6bb5\u3001\u540e\u5904\u7406\u8fd9\u56db\u4e2a\u5927\u7684\u9636\u6bb5\uff0c\u4e0b\u9762\u4f1a\u9010\u4e00\u8fdb\u884c\u4ecb\u7ecd\u3002<\/p>\n<h1>\u00a0<\/h1>\n<h1 style=\"text-align: center;\">\u5e94\u7528\u9636\u6bb5<\/h1>\n<p>\u5e94\u7528\u9636\u6bb5\u5305\u62ecGPU\u6e32\u67d3\u7ba1\u7ebf\u524d\u7684CPU\u5904\u7406\u9636\u6bb5\uff0c\u4e3b\u8981\u662f\u7528\u4e8e\u4e3aGPU\u51c6\u5907\u9700\u8981\u4f7f\u7528\u7684\u6570\u636e\u3002<\/p>\n<h3>\u00a0<\/h3>\n<h3 style=\"text-align: left;\">\u5254\u9664\uff08Culling\uff09<\/h3>\n<p>\u5254\u9664\u6709\u89c6\u9525\u4f53\u5254\u9664\uff08Frustum Culling\uff09\u3001\u5c42\u7ea7\u5254\u9664\uff08Layer Culling Mask\uff09\u3001\u906e\u6321\u5254\u9664\uff08Occlusion Culling\uff09\u7b49\u6b65\u9aa4\uff0c\u76ee\u7684\u662f\u5c06\u4e0d\u60f3\u88ab\u6444\u50cf\u673a\u770b\u5230\u7684<strong>\u7269\u4f53<\/strong>\u5254\u9664\u6389\uff0c\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u6027\u80fd\u5f00\u9500\uff0c\u63d0\u9ad8\u6e32\u67d3\u6548\u7387\u3002<\/p>\n<h4>\u00a0<\/h4>\n<h4>\u89c6\u9525\u4f53\u5254\u9664<\/h4>\n<p>\u5728Unity\u4e2d\uff0c\u6444\u50cf\u673a\u7684\u53ef\u89c6\u533a\u57df\u662f\u4e00\u4e2a\u6a2a\u653e\u7684\u91d1\u5b57\u5854\u5f62\u79f0\u4e3a\u89c6\u9525\u4f53\uff0c\u7531\u8fd1\u88c1\u9762\u3001\u8fdc\u88c1\u9762\u3001\u89c6\u573a\u89d2\u4e09\u4e2a\u53c2\u6570\u63a7\u5236\uff0c\u901a\u8fc7\u8ba1\u7b97\u8fd9\u4e2a\u89c6\u9525\u4f53\u4e0e\u573a\u666f\u4e2d\u7684\u6a21\u578b\u662f\u5426\u76f8\u4ea4\uff0c\u6ca1\u6709\u76f8\u4ea4\u5c31\u8bf4\u660e\u4f4d\u4e8e\u53ef\u89c6\u533a\u57df\u5916\uff0c\u8fd9\u6837\u7684\u6a21\u578b\u5c31\u5e94\u8be5\u8fdb\u884c\u5254\u9664\u3002<\/p>\n<p><img loading=\"lazy\" class=\"size-full wp-image-3684 aligncenter\" src=\"https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/RenderingPipeline_03.jpg\" alt=\"\" width=\"640\" height=\"230\" srcset=\"https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/RenderingPipeline_03.jpg 640w, https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/RenderingPipeline_03-300x108.jpg 300w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/p>\n<p>\u7531\u4e8e\u6a21\u578b\u4e00\u822c\u9762\u6570\u8f83\u591a\uff0c\u56e0\u6b64\u4f1a\u91c7\u7528\u7ed9\u6a21\u578b\u521b\u5efa\u5305\u56f4\u4f53\u518d\u8ba1\u7b97\u5305\u56f4\u4f53\u4e0e\u53ef\u89c6\u533a\u57df\u662f\u5426\u76f8\u4ea4\u7684\u65b9\u5f0f\u7b80\u5316\u8ba1\u7b97\u3002\u5305\u56f4\u4f53\u6709\u591a\u79cd\u8ba1\u7b97\u65b9\u6cd5\uff0c\u5e38\u7528\u7684\u6709OBB\uff08Oriented Bounding Box\uff0c\u6709\u5411\u5305\u56f4\u76d2\uff09\u3001AABB\uff08Axis-Aligned Bounding Box\uff0c\u8f74\u5bf9\u9f50\u5305\u56f4\u76d2\uff09\u3001\u7403\u5f62\u5305\u56f4\u4f53\uff08\u5916\u63a5\u7403\uff09\u7b49\uff0c\u5176\u4e2dAABB\u56e0\u4e3a\u8ba1\u7b97\u65b9\u4fbf\u800c\u66f4\u4e3a\u5e38\u7528\u3002<\/p>\n<p><img loading=\"lazy\" class=\"alignnone wp-image-4669 size-full\" src=\"https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/WhittedRayTraceSpeed_01.png\" alt=\"\" width=\"858\" height=\"255\" srcset=\"https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/WhittedRayTraceSpeed_01.png 858w, https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/WhittedRayTraceSpeed_01-300x89.png 300w, https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/WhittedRayTraceSpeed_01-768x228.png 768w\" sizes=\"(max-width: 858px) 100vw, 858px\" \/><\/p>\n<h4>\u00a0<\/h4>\n<h4>\u5c42\u7ea7\u5254\u9664<\/h4>\n<p>Unity\u4e2d\u7684\u6a21\u578b\u53ef\u4ee5\u8bbe\u7f6e\u81ea\u8eab\u6240\u5904\u7684\u5c42\u7ea7\uff08Layer\uff09\uff0c\u800c\u6444\u50cf\u673a\u5219\u53ef\u4ee5\u8bbe\u7f6e\u9700\u8981\u5254\u9664\u6389\u7684\u5c42\u7ea7\uff0c\u4ece\u800c\u8df3\u8fc7\u7279\u5b9a\u7269\u4f53\u7684\u6e32\u67d3\u3002<\/p>\n<p><img loading=\"lazy\" class=\"size-full wp-image-3685 aligncenter\" src=\"https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/RenderingPipeline_04.jpg\" alt=\"\" width=\"885\" height=\"498\" srcset=\"https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/RenderingPipeline_04.jpg 885w, https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/RenderingPipeline_04-300x169.jpg 300w, https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/RenderingPipeline_04-768x432.jpg 768w\" sizes=\"(max-width: 885px) 100vw, 885px\" \/><\/p>\n<h4>\u00a0<\/h4>\n<h4 style=\"text-align: left;\">\u906e\u6321\u5254\u9664<\/h4>\n<p>\u5728\u6e32\u67d3\u65f6\uff0c\u5982\u679c\u7269\u4f53\u6709\u524d\u540e\u987a\u5e8f\u5e76\u4e14\u540e\u65b9\u7684\u7269\u4f53\u5b8c\u5168\u88ab\u524d\u65b9\u7269\u4f53\u906e\u6321\u4f4f\uff0c\u6b64\u65f6\u540e\u65b9\u7269\u4f53\u5728\u6444\u50cf\u673a\u4e2d\u5b8c\u5168\u770b\u4e0d\u89c1\uff0c\u4e5f\u5c31\u6ca1\u6709\u5fc5\u8981\u8fdb\u884c\u8ba1\u7b97\uff0c\u53ef\u4ee5\u8fdb\u884c\u5254\u9664\u3002<\/p>\n<p><img loading=\"lazy\" class=\"size-full wp-image-3686 aligncenter\" src=\"https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/RenderingPipeline_05.png\" alt=\"\" width=\"325\" height=\"325\" srcset=\"https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/RenderingPipeline_05.png 325w, https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/RenderingPipeline_05-300x300.png 300w, https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/RenderingPipeline_05-150x150.png 150w\" sizes=\"(max-width: 325px) 100vw, 325px\" \/><\/p>\n<h3>\u00a0<\/h3>\n<h3 style=\"text-align: left;\">\u6392\u5e8f\uff08Sort\uff09<\/h3>\n<p>\u5728\u5254\u9664\u6389\u4e0d\u9700\u8981\u6e32\u67d3\u7684\u7269\u4f53\u540e\uff0c\u8fd8\u9700\u8981\u5bf9\u573a\u666f\u4e2d\u7684\u7269\u4f53\u8fdb\u884c\u6392\u5e8f\uff0c\u7528\u4e8e\u786e\u5b9a\u7269\u4f53\u6e32\u67d3\u7684\u987a\u5e8f\u3002<\/p>\n<p>\u5728Unity\u4e2d\uff0c\u6392\u5e8f\u662f\u901a\u8fc7\u6e32\u67d3\u961f\u5217\uff08Render Queue\uff09\u4ece\u5c0f\u5230\u5927\u6392\u5217\uff0c\u8d8a\u5c0f\u8d8a\u4f18\u5148\u8fdb\u884c\u6e32\u67d3\uff0c\u5728shader\u4e2d\u53ef\u4ee5\u8bbe\u7f6e\u6e32\u67d3\u961f\u5217\u7684\u6570\u503c \u3002<\/p>\n<p><img loading=\"lazy\" class=\"size-full wp-image-3688 aligncenter\" src=\"https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/RenderingPipeline_06.jpg\" alt=\"\" width=\"390\" height=\"256\" srcset=\"https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/RenderingPipeline_06.jpg 390w, https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/RenderingPipeline_06-300x197.jpg 300w\" sizes=\"(max-width: 390px) 100vw, 390px\" \/><\/p>\n<p>\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u5404\u79cd\u7269\u4f53\u7684\u6e32\u67d3\u961f\u5217\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li>Background\uff081000\uff09\u2014\u2014\u6700\u65e9\u88ab\u6e32\u67d3\u7684\u7269\u4f53\u7684\u6e32\u67d3\u961f\u5217\uff0c\u7528\u4e8e\u80cc\u666f\u3002<\/li>\n<li>Geometry\uff082000\uff09\u2014\u2014\u4e0d\u900f\u660e\u7269\u4f53\u7684\u6e32\u67d3\u961f\u5217\uff0cUnity Shader\u4e2d\u9ed8\u8ba4\u7684\u6e32\u67d3\u961f\u5217\uff0c\u5927\u591a\u6570\u7269\u4f53\u90fd\u5e94\u8be5\u7528\u6b64\u961f\u5217\u6e32\u67d3\u3002<\/li>\n<li>AlphaTest\uff082450\uff09\u2014\u2014\u6709\u900f\u660e\u901a\u9053\uff0c\u9700\u8981\u8fdb\u884cAlpha Test\u7684\u7269\u4f53\u7684\u6e32\u67d3\u961f\u5217\u3002<\/li>\n<li>Transparent\uff083000\uff09\u2014\u2014\u534a\u900f\u660e\u7269\u4f53\u7684\u6e32\u67d3\u961f\u5217\uff0c\u7528\u4e8eBlend\u534a\u900f\u660e\u6df7\u5408\u7b49\u3002<\/li>\n<li>Overlay\uff084000\uff09\u2014\u2014\u6700\u540e\u88ab\u6e32\u67d3\u7684\u7269\u4f53\u7684\u6e32\u67d3\u961f\u5217\uff0c\u4e00\u822c\u662f\u8986\u76d6\u6548\u679c\uff0c\u6bd4\u5982\u7269\u4f53\u5149\u6655\u3001\u5c4f\u5e55\u8d34\u7247\u7b49\u3002<\/li>\n<\/ul>\n<p>\u4e5f\u53ef\u4ee5\u624b\u52a8\u8bbe\u7f6e\u4e3a\u5176\u4ed6\u961f\u5217\u503c\uff0c\u4f8b\u5982Tags { &#8220;Queue&#8221; = &#8220;Background+1&#8221;}\u7b49\u3002<\/p>\n<p>\u5176\u4e2d\u4e0d\u900f\u660e\u7269\u4f53\u7684\u6e32\u67d3\u961f\u5217\u5c0f\u4e8e2500\uff0c\u76f8\u540c\u65f6\u6309\u5230\u6444\u50cf\u673a\u7684\u8ddd\u79bb\u4ece\u524d\u5230\u540e\u6392\u5e8f\uff0c\u534a\u900f\u660e\u7269\u4f53\u7684\u6e32\u67d3\u961f\u5217\u5927\u4e8e2500\uff0c\u76f8\u540c\u65f6\u6309\u8ddd\u5230\u6444\u50cf\u673a\u7684\u8ddd\u79bb\u4ece\u540e\u5230\u524d\u6392\u5e8f\uff0c\u4fdd\u8bc1\u4e0d\u900f\u660e\u7269\u4f53\u5148\u4e8e\u534a\u900f\u660e\u7269\u4f53\u6e32\u67d3\u3002<\/p>\n<p>\u5bf9\u4e0d\u900f\u660e\u7269\u4f53\u6765\u8bf4\uff0c\u524d\u65b9\u7269\u4f53\u4f1a\u906e\u6321\u540e\u65b9\u7269\u4f53\uff0c\u540e\u65b9\u7269\u4f53\u88ab\u906e\u6321\u7684\u90e8\u5206\u4e0d\u9700\u8981\u6e32\u67d3\uff0c\u88ab\u906e\u6321\u7684\u90e8\u5206\u9876\u70b9\u4f1a\u5728\u540e\u9762\u7684\u73af\u8282\u4e2d\u88ab\u5254\u9664\u6389\uff0c\u56e0\u6b64\u524d\u65b9\u7269\u4f53\u4f18\u5148\uff1b\u800c\u5bf9\u4e8e\u534a\u900f\u660e\u7269\u4f53\u6765\u8bf4\uff0c\u524d\u540e\u7269\u4f53\u90fd\u9700\u8981\u6e32\u67d3\uff0c\u5e76\u4e14\u540e\u65b9\u7269\u4f53\u9700\u8981\u4f18\u5148\u6e32\u67d3\uff0c\u518d\u6e32\u67d3\u524d\u65b9\u7269\u4f53\u53e0\u52a0\u5230\u540e\u65b9\u7269\u4f53\u4e0a\uff0c\u5426\u5219\u4f1a\u56e0\u4e3a\u900f\u660e\u6392\u5e8f\u9519\u8bef\u5bfc\u81f4\u900f\u660e\u6548\u679c\u5f02\u5e38\uff0c\u56e0\u6b64\u540e\u65b9\u7269\u4f53\u4f18\u5148\u3002<\/p>\n<h3>\u00a0<\/h3>\n<h3 style=\"text-align: left;\">\u6253\u5305\u6570\u636e\uff08Batch\uff09<\/h3>\n<p>\u5728\u5b8c\u6210\u4e0a\u4e00\u6b65\u6392\u5e8f\u540e\uff0cCPU\u4f1a\u4f9d\u6b21\u5c06\u6a21\u578b\u6a21\u578b\u4fe1\u606f\u3001\u53d8\u6362\u77e9\u9635\u3001\u706f\u5149\u6750\u8d28\u7b49\u6570\u636e\u6253\u5305\u4f20\u5165GPU\u3002<\/p>\n<p>\u5176\u4e2d\u6a21\u578b\u4fe1\u606f\u5305\u62ec\u9876\u70b9\u5750\u6807\u3001\u6cd5\u7ebf\u3001UV\u3001\u5207\u7ebf\u3001\u9876\u70b9\u8272\u3001\u7d22\u5f15\u5217\u8868\uff08Indices Array\uff09\u7b49\uff1b\u53d8\u6362\u77e9\u9635\u5305\u62ec\u4e16\u754c\u53d8\u6362\u77e9\u9635\u3001VP\u77e9\u9635\uff08\u6839\u636e\u6444\u50cf\u673a\u4f4d\u7f6e\u548cfov\u7b49\u53c2\u6570\u6784\u5efa\uff09\u7b49\uff1b\u706f\u5149\u6750\u8d28\u53c2\u6570\u5305\u62ecShader\u3001\u6750\u8d28\u53c2\u6570\u3001\u7eb9\u7406\u8d34\u56fe\u3001\u706f\u5149\u4fe1\u606f\u7b49\u3002<\/p>\n<h3>\u00a0<\/h3>\n<h3 style=\"text-align: left;\">\u8c03\u7528\uff08Call\uff09<\/h3>\n<p>\u5728\u628a\u6253\u5305\u597d\u7684\u6570\u636e\u53d1\u9001\u7ed9GPU\u65f6\uff0c\u4f1a\u8c03\u7528\u4e24\u4e2a\u6307\u4ee4\uff1aSetPass Call\u548cDraw Call\u3002<\/p>\n<p>\u5176\u4e2dSetPass Call\u7528\u4e8e\u8bbe\u7f6e\u5404\u79cd\u6e32\u67d3\u72b6\u6001\uff0c\u4f8b\u5982\u544a\u8bc9GPU\u4f7f\u7528\u54ea\u4e2aShader\u3001\u54ea\u79cd\u6df7\u5408\u6a21\u5f0f\uff0c\u662f\u5426\u8fdb\u884c\u80cc\u9762\u5254\u9664\u7b49\u3002Shader\u811a\u672c\u4e2d\u4e00\u4e2aPass\u8bed\u4e49\u5757\u5c31\u662f\u4e00\u4e2a\u5b8c\u6574\u7684\u6e32\u67d3\u6d41\u7a0b\uff0c\u4e00\u4e2aShader\u53ef\u4ee5\u5305\u542b\u591a\u4e2aPass\u8bed\u4e49\u5757\uff0c\u6bcf\u5f53GPU\u8fd0\u884c\u4e00\u4e2aPass\u4e4b\u524d\uff0c\u5c31\u4f1a\u4ea7\u751f\u4e00\u4e2aSetPassCall\uff0c\u6240\u4ee5\u53ef\u4ee5\u7406\u89e3\u4e3a\u8c03\u7528\u4e00\u4e2a\u5b8c\u6574\u6e32\u67d3\u6d41\u7a0b\u3002<\/p>\n<p>Draw Call\u5219\u662fCPU\u6bcf\u6b21\u8c03\u7528\u56fe\u50cf\u7f16\u7a0b\u63a5\u53e3\u547d\u4ee4GPU\u6e32\u67d3\u7684\u64cd\u4f5c\u3002Draw Call\u5c31\u662f\u4e00\u6b21\u6e32\u67d3\u547d\u4ee4\u7684\u8c03\u7528\uff0c\u5b83\u6307\u5411\u4e00\u4e2a\u9700\u8981\u88ab\u6e32\u67d3\u7684\u56fe\u5143\uff08primitive\uff09\u5217\u8868\uff0c\u4e0d\u5305\u542b\u4efb\u4f55\u6750\u8d28\u4fe1\u606f\u3002GPU\u6536\u5230\u6307\u4ee4\u5c31\u4f1a\u6839\u636e\u6e32\u67d3\u72b6\u6001\uff08\u4f8b\u5982\u6750\u8d28\u3001\u7eb9\u7406\u3001\u7740\u8272\u5668\u7b49\uff09\u548c\u6240\u6709\u8f93\u5165\u7684\u9876\u70b9\u6570\u636e\u6765\u8fdb\u884c\u8ba1\u7b97\uff0c\u6700\u7ec8\u8f93\u51fa\u6210\u5c4f\u5e55\u4e0a\u663e\u793a\u7684\u50cf\u7d20\u3002<\/p>\n<p>\u6bcf\u6b21\u8c03\u7528Draw Call\u524d\uff0cCPU\u90fd\u4f1a\u5411GPU\u53d1\u9001\u5f88\u591a\u6570\u636e\uff0c\u8fd9\u4e2a\u8fc7\u7a0b\u662f\u5f88\u6162\u7684\uff0c\u56e0\u6b64Draw Call\u591a\u4e86\uff0c\u5c31\u4f1a\u5bfc\u81f4GPU\u4e00\u76f4\u5728\u7b49\u5f85CPU\u53d1\u9001\u4fe1\u606f\uff0cGPU\u7684\u6027\u80fd\u5c31\u4f1a\u6d6a\u8d39\u3002\u5f88\u591a\u4f18\u5316\u4e0d\u597d\u7684\u6e38\u620f\u4e4b\u6240\u4ee5\u80fd\u8ba9\u65d7\u8230\u663e\u5361\u548c\u4e2d\u7aef\u663e\u5361\u4f17\u751f\u5e73\u7b49\uff0c\u5c31\u662f\u56e0\u4e3a\u6ca1\u6709\u4f18\u5316\u597dDraw Call\u7684\u8c03\u7528\u3002<\/p>\n<p>\u800c\u8981\u51cf\u5c11Draw Call\u7684\u6570\u91cf\uff0c\u5c31\u53ef\u4ee5\u5c06\u5f88\u591a\u540c\u6837\u6e32\u67d3\u72b6\u6001\u7684Draw Call\u8fdb\u884c\u6279\u5904\u7406\uff08Batching\uff09\uff0c\u5408\u5e76\u6210\u4e00\u4e2a\u5927\u7684Draw Call\uff0c\u53ea\u4e0d\u8fc7\u8fd9\u79cd\u5408\u6279\u66f4\u9002\u5408\u9759\u6001\u7684\u7269\u4f53\uff0c\u56e0\u4e3a\u52a8\u6001\u7269\u4f53\u7684\u5408\u6279\u6bcf\u5e27\u90fd\u9700\u8981\u91cd\u65b0\u5408\u5e76\u518d\u53d1\u9001\u3002<\/p>\n<h1>\u00a0<\/h1>\n<h1 style=\"text-align: center;\">\u51e0\u4f55\u9636\u6bb5<\/h1>\n<p>\u51e0\u4f55\u9636\u6bb5\u5305\u62ecGPU\u6e32\u67d3\u7ba1\u7ebf\u4e2d\u7684\u9876\u70b9\u7740\u8272\u5668\u4ee5\u53ca\u5c4f\u5e55\u6620\u5c04\u90e8\u5206\uff0c\u4e3b\u8981\u662f\u5bf9CPU\u4f20\u5165\u7684\u6a21\u578b\u9876\u70b9\u8fdb\u884c\u9010\u9876\u70b9\u64cd\u4f5c\uff0c\u5e76\u5c06\u9876\u70b9\u5750\u6807\u53d8\u6362\u4e3a\u5c4f\u5e55\u7a7a\u95f4\u3002<\/p>\n<h3>\u00a0<\/h3>\n<h3>\u9876\u70b9\u7740\u8272\u5668\uff08Vertex Shader\uff09<\/h3>\n<p>\u9876\u70b9\u7740\u8272\u5668\uff0c\u987e\u540d\u601d\u4e49\uff0c\u6bcf\u4e2a\u4eceCPU\u53d1\u9001\u5230GPU\u7684\u9876\u70b9\u90fd\u4f1a\u8c03\u7528\u4e00\u6b21\u9876\u70b9\u7740\u8272\u5668\u8fdb\u884c\u5904\u7406\u3002\u9876\u70b9\u7740\u8272\u5668\u4e0d\u80fd\u521b\u5efa\u6216\u5220\u9664\u9876\u70b9\uff0c\u4e5f\u4e0d\u80fd\u5f97\u5230\u9876\u70b9\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/p>\n<p>\u5728\u9876\u70b9\u7740\u8272\u5668\u4e2d\uff0cGPU\u4f1a\u5c06CPU\u53d1\u9001\u8fc7\u6765\u7684\u6a21\u578b\u9876\u70b9\u5750\u6807\u901a\u8fc7MVP\u53d8\u6362\u77e9\u9635\u4ece\u6a21\u578b\u7a7a\u95f4\uff08Object Space\uff09\u8f6c\u6362\u4e3a\u88c1\u526a\u7a7a\u95f4\uff08Clip Space\uff09\uff0c\u8fd9\u6837\u5c31\u5b8c\u6210\u4e86\u4e09\u7ef4\u6a21\u578b\u5411\u4e8c\u7ef4\u5c4f\u5e55\u6295\u5f71\u7684\u8f6c\u6362\u8fc7\u7a0b\u3002<\/p>\n<p><img loading=\"lazy\" class=\"size-full wp-image-3730 aligncenter\" src=\"https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/RenderingPipeline_10.jpg\" alt=\"\" width=\"1301\" height=\"483\" srcset=\"https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/RenderingPipeline_10.jpg 1301w, https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/RenderingPipeline_10-300x111.jpg 300w, https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/RenderingPipeline_10-1024x380.jpg 1024w, https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/RenderingPipeline_10-768x285.jpg 768w\" sizes=\"(max-width: 1301px) 100vw, 1301px\" \/><\/p>\n<p>\u7ecf\u8fc7\u9876\u70b9\u7740\u8272\u5668\u5904\u7406\u540e\uff0c\u76f8\u673a\u7684\u91d1\u5b57\u5854\u5f62\u7684\u89c6\u9525\u4f53\u4f1a\u88ab\u8f6c\u6362\u53d8\u5f62\u4e3a\u4e00\u4e2a\u6bd4\u4f8b\u4e3a2x2x1\u7684\u7acb\u65b9\u4f53\uff08CVV\uff09\uff0c\u5185\u90e8\u7684\u4e09\u7ef4\u6a21\u578b\u4e5f\u4f1a\u4ea7\u751f\u53d8\u5f62\uff0c\u4ece\u800c\u5f62\u6210\u900f\u89c6\u6548\u679c\u3002<\/p>\n<p>\u9664\u4e86\u8fdb\u884c\u5750\u6807\u53d8\u6362\u4ee5\u5916\uff0c\u9876\u70b9\u7740\u8272\u5668\u8fd8\u80fd\u5bf9\u9876\u70b9\u8272\u8fdb\u884c\u8ba1\u7b97\uff0c\u6216\u8005\u5236\u4f5c<a href=\"https:\/\/www.yumefx.com\/?p=3526\">\u9876\u70b9\u52a8\u753b<\/a>\u3002<\/p>\n<h3>\u00a0<\/h3>\n<h3>\u66f2\u9762\u7ec6\u5206\u7740\u8272\u5668<b> (Tessellation Shader\uff09<\/b><\/h3>\n<p>\u8fd9\u662f\u4e00\u4e2a\u53ef\u9009\u7684\u7740\u8272\u5668\uff0c\u4e3b\u8981\u662f\u5bf9\u4e09\u89d2\u9762\u8fdb\u884c\u7ec6\u5206\uff0c\u4ee5\u6b64\u6765\u589e\u52a0\u7269\u4f53\u8868\u9762\u7684\u4e09\u89d2\u9762\u7684\u6570\u91cf\u3002\u501f\u52a9\u5b83\u53ef\u4ee5\u5b9e\u73b0\u7ec6\u8282\u5c42\u6b21(LOD,Level-of-Detail)\u7684\u673a\u5236\uff0c\u4f7f\u5f97\u79bb\u6444\u50cf\u673a\u8d8a\u8fd1\u7684\u7269\u4f53\u5177\u6709\u66f4\u52a0\u4e30\u5bcc\u7684\u7ec6\u8282\uff0c\u800c\u8fdc\u79bb\u6444\u50cf\u673a\u7684\u7269\u4f53\u5177\u6709\u8f83\u5c11\u7684\u7ec6\u8282\uff0c\u5982\u4e0b\u56fe\u6240\u793a\u3002<\/p>\n<p><img loading=\"lazy\" class=\"size-full wp-image-4285 aligncenter\" src=\"https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/RenderingPipeline_101.jpg\" alt=\"\" width=\"501\" height=\"229\" srcset=\"https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/RenderingPipeline_101.jpg 501w, https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/RenderingPipeline_101-300x137.jpg 300w\" sizes=\"(max-width: 501px) 100vw, 501px\" \/><\/p>\n<h3>\u00a0<\/h3>\n<h3>\u5c4f\u5e55\u6620\u5c04<\/h3>\n<p>\u8fd9\u4e2a\u9636\u6bb5\u7684\u64cd\u4f5c\u5927\u591a\u6570\u662f\u7531\u786c\u4ef6\u81ea\u52a8\u5904\u7406\u7684\uff0c\u5f00\u53d1\u8005\u65e0\u6cd5\u5b8c\u5168\u63a7\u5236\uff0c\u53ea\u80fd\u7b80\u5355\u5730\u7684\u914d\u7f6e\u5f00\u653e\u51fa\u6765\u7684\u9009\u9879\uff0c\u56e0\u6b64\u8fd9\u4e00\u9636\u6bb5\u53c8\u88ab\u79f0\u4e3a\u786c\u4ef6\u64cd\u4f5c\u9636\u6bb5\u3002<\/p>\n<p><img loading=\"lazy\" class=\"size-full wp-image-3731 aligncenter\" src=\"https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/RenderingPipeline_11.jpg\" alt=\"\" width=\"1376\" height=\"580\" srcset=\"https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/RenderingPipeline_11.jpg 1376w, https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/RenderingPipeline_11-300x126.jpg 300w, https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/RenderingPipeline_11-1024x432.jpg 1024w, https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/RenderingPipeline_11-768x324.jpg 768w\" sizes=\"(max-width: 1376px) 100vw, 1376px\" 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loading=\"lazy\" class=\"size-full wp-image-3754 aligncenter\" src=\"https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/RenderingPipeline_13.jpg\" alt=\"\" width=\"850\" height=\"267\" srcset=\"https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/RenderingPipeline_13.jpg 850w, https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/RenderingPipeline_13-300x94.jpg 300w, https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/RenderingPipeline_13-768x241.jpg 768w\" sizes=\"(max-width: 850px) 100vw, 850px\" 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srcset=\"https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/RenderingPipeline_12.png 768w, https:\/\/www.yumefx.com\/wp-content\/uploads\/2021\/11\/RenderingPipeline_12-300x139.png 300w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/p>\n<p>\u8fd9\u91cc\u7279\u522b\u8bf4\u660e\u4e00\u4e0b\uff0cMipmap\u56e0\u4e3a\u9700\u8981\u4fdd\u5b58\u591a\u7ea7\u522b\u4e0d\u540c\u5c3a\u5bf8\u7684\u8d34\u56fe\uff0c\u4f1a\u591a\u6d88\u8017\u4e09\u5206\u4e4b\u4e00\u7684\u5b58\u50a8\u7a7a\u95f4\u3002<\/p>\n<p>UV\u9ed8\u8ba4\u7684\u53d6\u503c\u8303\u56f4\u662f[0, 1]\uff0c\u5bf9\u5e94\u7eb9\u7406\u8d34\u56fe\u4e0a\u7684\u50cf\u7d20\u6570\u91cf\uff0c\u5f53UV\u5750\u6807\u8d85\u8fc7[0,1]\u8303\u56f4\u65f6\uff0c\u9700\u8981\u51b3\u5b9a\u7eb9\u7406\u8d34\u56fe\u7684\u5bfb\u5740\u6a21\u5f0f\u3002\u53ef\u4ee5\u9009\u62e9\u4e0d\u91cd\u590d\u3001\u91cd\u590d\u8fb9\u7f18\u3001\u91cd\u590d\u5e73\u94fa\u7eb9\u7406\u3001\u91cd\u590d\u5e76\u955c\u50cf\u7eb9\u7406\u7b49\u65b9\u5f0f\u3002<\/p>\n<p><img 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[&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4669,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[4,69],"tags":[71,14,72],"_links":{"self":[{"href":"https:\/\/www.yumefx.com\/index.php?rest_route=\/wp\/v2\/posts\/3636"}],"collection":[{"href":"https:\/\/www.yumefx.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yumefx.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yumefx.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yumefx.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3636"}],"version-history":[{"count":0,"href":"https:\/\/www.yumefx.com\/index.php?rest_route=\/wp\/v2\/posts\/3636\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.yumefx.com\/index.php?rest_route=\/wp\/v2\/media\/4669"}],"wp:attachment":[{"href":"https:\/\/www.yumefx.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3636"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yumefx.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3636"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yumefx.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3636"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}