{"id":1054,"date":"2026-03-25T21:30:18","date_gmt":"2026-03-25T13:30:18","guid":{"rendered":"https:\/\/meecarlo.com\/?p=1054"},"modified":"2026-07-01T01:55:51","modified_gmt":"2026-06-30T17:55:51","slug":"unityhdrp-stacklit-shading-model-%e6%8b%86%e5%88%86","status":"publish","type":"post","link":"https:\/\/meecarlo.com\/old\/2026\/03\/25\/unityhdrp-stacklit-shading-model-%e6%8b%86%e5%88%86\/","title":{"rendered":"UnityHDRP StackLit Shading Model \u62c6\u5206"},"content":{"rendered":"<p>\u8fd9\u7bc7\u662f\u5bf9 Unity HDRP \u4e2d StackLit Shading Model \u7684\u62c6\u89e3\u6574\u7406\u3002\u539f\u59cb\u8d44\u6599\u4ee5\u201c\u8f66\u6f06\u6280\u672f\u5206\u6790\u201dPDF \u5f62\u5f0f\u4fdd\u5b58\uff0c\u8fd9\u91cc\u628a\u5b83\u6574\u7406\u6210\u66f4\u9002\u5408\u7f51\u9875\u9605\u8bfb\u7684\u6280\u672f\u6587\uff0c\u91cd\u70b9\u653e\u5728\u590d\u6742\u6750\u8d28\u7684\u7ed3\u6784\u3001BRDF \u8def\u5f84\u548c\u5de5\u7a0b\u88c1\u526a\u601d\u8def\u4e0a\u3002<\/p>\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"611\" height=\"1024\" src=\"https:\/\/meecarlo.com\/wp-content\/uploads\/2026\/03\/\u8f66\u6f06\u6280\u672f\u5206\u6790-611x1024.png\" alt=\"\u8f66\u6f06\u6750\u8d28\u6280\u672f\u5206\u6790\u622a\u56fe\" class=\"wp-image-1055\" srcset=\"https:\/\/meecarlo.com\/wp-content\/uploads\/2026\/03\/\u8f66\u6f06\u6280\u672f\u5206\u6790-611x1024.png 611w, https:\/\/meecarlo.com\/wp-content\/uploads\/2026\/03\/\u8f66\u6f06\u6280\u672f\u5206\u6790-179x300.png 179w\" sizes=\"auto, (max-width: 611px) 100vw, 611px\" \/><figcaption>\u539f\u59cb\u5206\u6790\u6587\u6863\u622a\u56fe\uff1a\u56f4\u7ed5\u8f66\u6f06\u6750\u8d28\u62c6\u89e3 StackLit \u7684\u8868\u73b0\u5c42\u7ea7\u3002<\/figcaption><\/figure>\n<h2>\u4e3a\u4ec0\u4e48\u62c6 StackLit<\/h2>\n<p>StackLit \u662f HDRP \u91cc\u8868\u8fbe\u80fd\u529b\u5f88\u5f3a\u3001\u4f46\u4ee3\u7801\u8def\u5f84\u4e5f\u5f88\u91cd\u7684 Lit \u6a21\u578b\u3002\u5b83\u9002\u5408\u8f66\u6f06\u3001\u6d82\u5c42\u3001\u5404\u5411\u5f02\u6027\u91d1\u5c5e\u3001\u591a\u5c42\u9ad8\u5149\u548c\u9700\u8981\u66f4\u590d\u6742\u80fd\u91cf\u5206\u914d\u7684\u6750\u8d28\u3002\u95ee\u9898\u5728\u4e8e\u5b83\u4e0d\u50cf\u666e\u901a Lit \u90a3\u6837\u5bb9\u6613\u4e00\u773c\u770b\u6e05\uff1a\u8f93\u5165\u9879\u591a\u3001\u5b8f\u5206\u652f\u591a\u3001BSDF \u6570\u636e\u7ed3\u6784\u957f\uff0c\u6750\u8d28\u8868\u73b0\u548c\u6027\u80fd\u6210\u672c\u90fd\u85cf\u5728\u591a\u4e2a include \u4e0e feature switch \u91cc\u3002<\/p>\n<p>\u62c6\u5b83\u7684\u76ee\u6807\u4e0d\u662f\u5b8c\u6574\u590d\u523b HDRP\uff0c\u800c\u662f\u56de\u7b54\u4e09\u4e2a\u5de5\u7a0b\u95ee\u9898\uff1a\u54ea\u4e9b\u8f93\u5165\u771f\u6b63\u51b3\u5b9a\u8f66\u6f06\u5c42\u6b21\uff0c\u54ea\u4e9b BRDF \u8def\u5f84\u662f\u89c6\u89c9\u6838\u5fc3\uff0c\u54ea\u4e9b\u7279\u6027\u5728\u9879\u76ee\u91cc\u53ef\u4ee5\u88ab\u88c1\u526a\u6216\u6539\u5199\u3002<\/p>\n<h2>\u8f66\u6f06\u6750\u8d28\u7684\u5c42\u7ea7<\/h2>\n<p>\u8f66\u6f06\u4e0d\u662f\u4e00\u4e2a\u5355\u5c42\u9ad8\u5149\u6750\u8d28\u3002\u66f4\u5408\u7406\u7684\u7406\u89e3\u65b9\u5f0f\u662f\u628a\u5b83\u62c6\u6210\u4e09\u4e2a\u5c42\u6b21\uff1a<\/p>\n<ul>\n<li><strong>Base Coat<\/strong>\uff1a\u8d1f\u8d23\u4e3b\u4f53\u989c\u8272\u3001\u7c97\u7cd9\u5ea6\u548c\u57fa\u7840\u6f2b\u53cd\u5c04\/\u955c\u9762\u53cd\u5c04\uff0c\u662f\u6750\u8d28\u7684\u5e95\u5c42\u89c2\u611f\u3002<\/li>\n<li><strong>Flakes \/ Pigment<\/strong>\uff1a\u8d1f\u8d23\u91d1\u5c5e\u9897\u7c92\u3001\u7ec6\u788e\u95ea\u70b9\u548c\u89c6\u89d2\u53d8\u5316\uff0c\u901a\u5e38\u9700\u8981\u566a\u58f0\u3001\u6cd5\u7ebf\u6270\u52a8\u6216\u989d\u5916 mask \u63a7\u5236\u3002<\/li>\n<li><strong>Clear Coat<\/strong>\uff1a\u8d1f\u8d23\u6700\u5916\u5c42\u6e05\u6f06\u9ad8\u5149\uff0c\u7c97\u7cd9\u5ea6\u66f4\u4f4e\uff0cFresnel \u66f4\u660e\u663e\uff0c\u662f\u8f66\u6f06\u201c\u4eae\u201d\u548c\u201c\u539a\u201d\u7684\u4e3b\u8981\u6765\u6e90\u3002<\/li>\n<\/ul>\n<p>StackLit \u7684\u4ef7\u503c\u5728\u4e8e\u5b83\u80fd\u628a\u8fd9\u4e9b\u5c42\u6b21\u653e\u5728\u4e00\u4e2a\u6750\u8d28\u6a21\u578b\u91cc\u505a\u80fd\u91cf\u5206\u914d\uff0c\u800c\u4e0d\u662f\u7b80\u5355\u628a\u51e0\u5c42\u9ad8\u5149\u53e0\u52a0\u5230\u8fc7\u66dd\u3002<\/p>\n<h2>\u6e90\u7801\u9605\u8bfb\u8def\u5f84<\/h2>\n<p>\u9605\u8bfb StackLit \u65f6\u53ef\u4ee5\u6309\u6570\u636e\u6d41\u5207\uff0c\u800c\u4e0d\u662f\u4ece\u6587\u4ef6\u7b2c\u4e00\u884c\u786c\u8bfb\u3002\u4e00\u4e2a\u66f4\u7a33\u5b9a\u7684\u8def\u5f84\u662f\uff1a<\/p>\n<ol>\n<li><strong>Material Inputs<\/strong>\uff1a\u5148\u770b ShaderGraph \/ \u6750\u8d28\u9762\u677f\u80fd\u66b4\u9732\u54ea\u4e9b\u8f93\u5165\uff0c\u5305\u62ec base color\u3001smoothness\u3001coat\u3001anisotropy\u3001iridescence \u7b49\u3002<\/li>\n<li><strong>SurfaceData<\/strong>\uff1a\u786e\u8ba4\u8d34\u56fe\u548c\u6750\u8d28\u53c2\u6570\u5982\u4f55\u88ab\u6253\u5305\u6210\u8868\u9762\u6570\u636e\uff0c\u8fd9\u4e00\u6b65\u51b3\u5b9a\u7f8e\u672f\u8f93\u5165\u548c shader \u8ba1\u7b97\u4e4b\u95f4\u7684\u8fb9\u754c\u3002<\/li>\n<li><strong>BSDFData<\/strong>\uff1a\u7ee7\u7eed\u770b SurfaceData \u5982\u4f55\u8f6c\u6362\u6210\u5149\u7167\u9636\u6bb5\u771f\u6b63\u4f7f\u7528\u7684\u6570\u636e\uff0c\u91cd\u70b9\u89c2\u5bdf\u7c97\u7cd9\u5ea6\u3001\u6cd5\u7ebf\u3001Fresnel\u3001coat mask \u7b49\u5b57\u6bb5\u3002<\/li>\n<li><strong>LightLoop \/ EvaluateBSDF<\/strong>\uff1a\u6700\u540e\u770b\u76f4\u63a5\u5149\u3001IBL\u3001\u9634\u5f71\u548c\u591a\u5c42\u9ad8\u5149\u5982\u4f55\u53c2\u4e0e\u6700\u7ec8\u8f93\u51fa\u3002<\/li>\n<\/ol>\n<p>\u8fd9\u6837\u62c6\u53ef\u4ee5\u907f\u514d\u9677\u5728\u5b8f\u548c\u5e73\u53f0\u5206\u652f\u91cc\uff0c\u4e5f\u66f4\u5bb9\u6613\u628a\u7ed3\u8bba\u8f6c\u6210\u9879\u76ee\u91cc\u7684\u6750\u8d28\u8c03\u8bd5\u89c4\u5219\u3002<\/p>\n<h2>\u5173\u952e BRDF \u6a21\u5757<\/h2>\n<p>StackLit \u7684\u590d\u6742\u5ea6\u4e3b\u8981\u6765\u81ea\u591a\u4e2a\u9ad8\u5149 lobe \u548c\u989d\u5916\u6750\u8d28\u73b0\u8c61\u3002\u5bf9\u8f66\u6f06\u6765\u8bf4\uff0c\u6700\u503c\u5f97\u5173\u6ce8\u7684\u662f\uff1a<\/p>\n<ul>\n<li><strong>Specular Lobe<\/strong>\uff1a\u51b3\u5b9a\u57fa\u7840\u9ad8\u5149\u5bbd\u5ea6\u548c\u5f3a\u5ea6\uff0c\u901a\u5e38\u4e0e roughness\u3001normal\u3001F0 \u5f3a\u76f8\u5173\u3002<\/li>\n<li><strong>Clear Coat Lobe<\/strong>\uff1a\u8868\u73b0\u5916\u5c42\u6e05\u6f06\u3002\u5b83\u5e94\u8be5\u66f4\u9510\u5229\uff0c\u4e5f\u8981\u5f71\u54cd\u5e95\u5c42\u80fd\u91cf\uff0c\u907f\u514d\u7b80\u5355\u76f8\u52a0\u5bfc\u81f4\u80fd\u91cf\u4e0d\u5b88\u6052\u3002<\/li>\n<li><strong>Anisotropy<\/strong>\uff1a\u7528\u4e8e\u62c9\u4f38\u9ad8\u5149\u65b9\u5411\uff0c\u9002\u5408\u5237\u75d5\u91d1\u5c5e\u6216\u67d0\u4e9b\u7279\u6b8a\u6d82\u5c42\uff0c\u8f66\u6f06\u4e2d\u9700\u8981\u8c28\u614e\u4f7f\u7528\u3002<\/li>\n<li><strong>Flakes<\/strong>\uff1a\u66f4\u50cf\u8868\u73b0\u5c42\u63a7\u5236\uff0c\u901a\u5e38\u4f9d\u8d56\u566a\u58f0\u3001mask\u3001normal variation \u6216\u989d\u5916\u95ea\u70b9\u903b\u8f91\uff0c\u800c\u4e0d\u662f\u5355\u9760\u6807\u51c6 BRDF\u3002<\/li>\n<li><strong>Fresnel<\/strong>\uff1a\u63a7\u5236\u63a0\u5c04\u89d2\u53cd\u5c04\u589e\u5f3a\uff0c\u662f\u8f66\u6f06\u8fb9\u7f18\u8d28\u611f\u7684\u91cd\u8981\u6765\u6e90\u3002<\/li>\n<\/ul>\n<h2>\u5de5\u7a0b\u88c1\u526a\u601d\u8def<\/h2>\n<p>\u9879\u76ee\u91cc\u4e0d\u4e00\u5b9a\u9700\u8981\u5b8c\u6574 StackLit\u3002\u62c6\u89e3\u540e\u7684\u4ef7\u503c\uff0c\u662f\u77e5\u9053\u54ea\u4e9b\u529f\u80fd\u53ef\u4ee5\u6309\u6750\u8d28\u76ee\u6807\u88c1\u526a\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u6a21\u5757<\/th>\n<th>\u89c6\u89c9\u6536\u76ca<\/th>\n<th>\u6210\u672c\/\u98ce\u9669<\/th>\n<th>\u5efa\u8bae<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Clear Coat<\/td>\n<td>\u660e\u663e\u63d0\u5347\u8f66\u6f06\u539a\u5ea6\u548c\u9ad8\u5149\u5c42\u6b21<\/td>\n<td>\u589e\u52a0\u4e00\u6b21\u9ad8\u5149\u8ba1\u7b97\u548c\u53c2\u6570\u7ba1\u7406<\/td>\n<td>\u8f66\u6f06\u4e3b\u6750\u8d28\u4fdd\u7559<\/td>\n<\/tr>\n<tr>\n<td>Anisotropy<\/td>\n<td>\u80fd\u505a\u65b9\u5411\u6027\u9ad8\u5149<\/td>\n<td>\u9700\u8981 tangent \u6570\u636e\u548c\u989d\u5916\u8c03\u8bd5<\/td>\n<td>\u53ea\u5728\u660e\u786e\u9700\u8981\u65f6\u5f00\u542f<\/td>\n<\/tr>\n<tr>\n<td>Iridescence<\/td>\n<td>\u7279\u6b8a\u53d8\u8272\u6548\u679c\u660e\u663e<\/td>\n<td>\u7f8e\u672f\u53ef\u63a7\u6027\u548c\u6027\u80fd\u90fd\u66f4\u590d\u6742<\/td>\n<td>\u9ed8\u8ba4\u5173\u95ed\uff0c\u505a\u53d8\u4f53\u5f69\u86cb\/\u7279\u6b8a\u76ae\u80a4\u65f6\u518d\u5f00<\/td>\n<\/tr>\n<tr>\n<td>Flakes<\/td>\n<td>\u589e\u5f3a\u8fd1\u666f\u7ec6\u8282\u548c\u6750\u8d28\u8bc6\u522b\u5ea6<\/td>\n<td>\u566a\u58f0\u91c7\u6837\u3001\u95ea\u70c1\u548c mip \u7a33\u5b9a\u6027\u95ee\u9898<\/td>\n<td>\u9700\u8981\u914d\u5957\u8ddd\u79bb\u8870\u51cf\u548c mip \u7b56\u7565<\/td>\n<\/tr>\n<tr>\n<td>\u591a\u5c42\u6cd5\u7ebf<\/td>\n<td>\u7ec6\u8282\u4e30\u5bcc<\/td>\n<td>\u91c7\u6837\u6570\u4e0a\u5347\uff0c\u79fb\u52a8\u7aef\u4e0d\u7a33\u5b9a<\/td>\n<td>\u6309\u5e73\u53f0\u62c6 quality level<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u8c03\u8bd5\u65b9\u6cd5<\/h2>\n<p>\u8c03 StackLit \u7c7b\u590d\u6742\u6750\u8d28\u65f6\uff0c\u6700\u5fcc\u8bb3\u53ea\u770b\u6700\u7ec8 Beauty\u3002\u5efa\u8bae\u4fdd\u7559\u4e00\u7ec4 debug view\uff1a<\/p>\n<ul>\n<li>BaseColor \/ Smoothness \/ Metallic \/ CoatMask \u5206\u901a\u9053\u68c0\u67e5\u3002<\/li>\n<li>Normal \u4e0e Bent Normal \u5bf9\u6bd4\uff0c\u786e\u8ba4\u9ad8\u5149\u65b9\u5411\u6ca1\u6709\u5f02\u5e38\u3002<\/li>\n<li>\u5355\u72ec\u67e5\u770b base specular\u3001clear coat specular\u3001IBL contribution\u3002<\/li>\n<li>\u56fa\u5b9a\u5149\u7167\u548c\u56fa\u5b9a\u66dd\u5149\uff0c\u907f\u514d\u81ea\u52a8\u66dd\u5149\u63a9\u76d6\u6750\u8d28\u95ee\u9898\u3002<\/li>\n<li>\u8fd1\u666f\u3001\u8fdc\u666f\u3001\u52a8\u6001\u65cb\u8f6c\u4e09\u79cd\u60c5\u51b5\u4e0b\u68c0\u67e5 flakes \u662f\u5426\u95ea\u70c1\u3002<\/li>\n<\/ul>\n<h2>\u4f5c\u54c1\u96c6\u7ed3\u8bba<\/h2>\n<p>\u8fd9\u7bc7\u6587\u7ae0\u771f\u6b63\u60f3\u8868\u8fbe\u7684\u4e0d\u662f\u201c\u4f1a\u7528 HDRP \u7684 StackLit\u201d\uff0c\u800c\u662f\u628a\u590d\u6742 shader \u6a21\u578b\u62c6\u6210\u53ef\u89e3\u91ca\u3001\u53ef\u88c1\u526a\u3001\u53ef\u8c03\u8bd5\u7684\u5de5\u7a0b\u8d44\u4ea7\u3002\u5bf9\u5b9e\u65f6\u6e32\u67d3 TA \u6765\u8bf4\uff0c\u8fd9\u7c7b\u80fd\u529b\u6bd4\u5355\u7eaf\u628a\u6548\u679c\u8c03\u51fa\u6765\u66f4\u91cd\u8981\uff1a\u5b83\u8fde\u63a5\u4e86\u7f8e\u672f\u76ee\u6807\u3001\u6750\u8d28\u6a21\u578b\u3001\u6e90\u7801\u9605\u8bfb\u548c\u6027\u80fd\u53d6\u820d\u3002<\/p>\n<p><a href=\"https:\/\/meecarlo.com\/wp-content\/uploads\/2026\/03\/\u8f66\u6f06\u6280\u672f\u5206\u6790.pdf\" class=\"archive-resource-link\">\u6253\u5f00\u539f\u59cb PDF\uff1a\u8f66\u6f06\u6280\u672f\u5206\u6790<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u56f4\u7ed5 Unity HDRP StackLit \u548c\u8f66\u6f06\u6750\u8d28\u8868\u73b0\uff0c\u62c6\u89e3 Clear Coat\u3001Flakes\u3001BRDF \u8def\u5f84\u3001\u6e90\u7801\u9605\u8bfb\u987a\u5e8f\u548c\u5de5\u7a0b\u88c1\u526a\u7b56\u7565\u3002<\/p>\n","protected":false},"author":1,"featured_media":942,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-1054","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-study-note"],"_links":{"self":[{"href":"https:\/\/meecarlo.com\/old\/wp-json\/wp\/v2\/posts\/1054","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/meecarlo.com\/old\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/meecarlo.com\/old\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/meecarlo.com\/old\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/meecarlo.com\/old\/wp-json\/wp\/v2\/comments?post=1054"}],"version-history":[{"count":4,"href":"https:\/\/meecarlo.com\/old\/wp-json\/wp\/v2\/posts\/1054\/revisions"}],"predecessor-version":[{"id":1068,"href":"https:\/\/meecarlo.com\/old\/wp-json\/wp\/v2\/posts\/1054\/revisions\/1068"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/meecarlo.com\/old\/wp-json\/wp\/v2\/media\/942"}],"wp:attachment":[{"href":"https:\/\/meecarlo.com\/old\/wp-json\/wp\/v2\/media?parent=1054"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/meecarlo.com\/old\/wp-json\/wp\/v2\/categories?post=1054"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/meecarlo.com\/old\/wp-json\/wp\/v2\/tags?post=1054"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}