{"id":3918,"date":"2018-04-02T21:42:32","date_gmt":"2018-04-02T13:42:32","guid":{"rendered":"http:\/\/www.bookcard.net\/wordpress\/?p=3918"},"modified":"2018-10-14T21:21:11","modified_gmt":"2018-10-14T13:21:11","slug":"opengl_combiner","status":"publish","type":"post","link":"https:\/\/www.bookcard.net\/wordpress\/opengl_combiner\/","title":{"rendered":"OpenGL\u4e4b\u5716\u50cf\u5408\u6210\u5668"},"content":{"rendered":"<figure id=\"attachment_3919\" aria-describedby=\"caption-attachment-3919\" style=\"width: 1024px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/www.bookcard.net\/wordpress\/wp-content\/uploads\/2018\/04\/OpenGL_Combiner.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-3919\" src=\"https:\/\/www.bookcard.net\/wordpress\/wp-content\/uploads\/2018\/04\/OpenGL_Combiner.jpg\" alt=\"\" width=\"1024\" height=\"768\" srcset=\"https:\/\/www.bookcard.net\/wordpress\/wp-content\/uploads\/2018\/04\/OpenGL_Combiner.jpg 1024w, https:\/\/www.bookcard.net\/wordpress\/wp-content\/uploads\/2018\/04\/OpenGL_Combiner-300x225.jpg 300w, https:\/\/www.bookcard.net\/wordpress\/wp-content\/uploads\/2018\/04\/OpenGL_Combiner-768x576.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption id=\"caption-attachment-3919\" class=\"wp-caption-text\">OpenGL\u4e4b\u5716\u50cf\u5408\u6210\u5668<\/figcaption><\/figure>\n<p>\u5c0d\u5716\u50cf(\u7d0b\u7406)\u5408\u6210\u4f60\u53ef\u4ee5\u5f97\u5230\u5716\u50cf\u8b8a\u63db\u7684\u52d5\u756b\u6548\u679c,\u5982\u300e\u71c8\u706b\u300f.\u901a\u904e\u8b80\u53d6\u5169\u5f35\u5716\u50cf,\u7136\u5f8c\u5c0d\u5176\u9032\u884c\u63d2\u503c\u904b\u7b97,\u6700\u5f8c\u751f\u6210\u5e73\u6ed1\u904e\u6e21\u7684\u6548\u679c.\u6f14\u793a\u7a0b\u5f0f<a href=\"https:\/\/www.bookcard.net\/wordpress\/wp-content\/uploads\/2018\/04\/OpenGLCombiner.zip\">\u4e0b\u8f09<\/a>:<\/p>\n<p>\u5c0d\u5169\u500b\u6216\u8005\u591a\u500b\u7d0b\u7406\u9032\u884c\u7d44\u5408:<\/p>\n<p>glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE,GL_COMBINE);<\/p>\n<p>\u7d0b\u7406\u5e73\u6ed1\u904e\u6e21<\/p>\n<p>GLfloat texEnvColor[] = {0.0f,0.0f,0.0f,combiner-&gt;interpol };<\/p>\n<p>glActiveTexture(GL_TEXTURE1);<\/p>\n<p>glTexEnvfv(GL_TEXTURE_ENV,GL_TEXTURE_ENV_COLOR, texEnvColor);<\/p>\n<p>\u8f09\u5165\u7d0b\u7406\u55ae\u51430<\/p>\n<p><a href=\"https:\/\/www.bookcard.net\/wordpress\/opengl_image\/\">Load_File_Texture<\/a>(&amp;combiner-&gt;texture0, hInstance, filename0);<\/p>\n<p>\u6fc0\u6d3b\u7d0b\u7406\u55ae\u51430<\/p>\n<p>glActiveTexture(GL_TEXTURE0);<\/p>\n<p>\u7d81\u5b9a\u7d0b\u74060<\/p>\n<p><a href=\"https:\/\/www.bookcard.net\/wordpress\/opengl_texture\/\">Bind_Image_Texture<\/a>(&amp;combiner-&gt;texture0);<\/p>\n<p>glEnable(GL_TEXTURE_2D);<\/p>\n<p>\u5c07\u7d0b\u7406\u50b3\u905e\u5230\u4e0b\u4e00\u500b\u55ae\u5143<\/p>\n<p>glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);<\/p>\n<p>\u8f09\u5165\u7d0b\u74061<\/p>\n<p><a href=\"https:\/\/www.bookcard.net\/wordpress\/opengl_image\/\">Load_File_Texture<\/a>(&amp;combiner-&gt;texture1, hInstance, filename1);<\/p>\n<p>\u6fc0\u6d3b\u7d0b\u7406\u55ae\u51431<\/p>\n<p>glActiveTexture(GL_TEXTURE1);<\/p>\n<p>\u7d81\u5b9a\u7d0b\u74061<\/p>\n<p><a href=\"https:\/\/www.bookcard.net\/wordpress\/opengl_texture\/\">Bind_Image_Texture<\/a>(&amp;combiner-&gt;texture1);<\/p>\n<p>glEnable(GL_TEXTURE_2D);<\/p>\n<p>\u8a2d\u7f6e\u7d0b\u7406\u7d44\u5408\u6a21\u5f0f<\/p>\n<p>glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE,GL_COMBINE);<\/p>\n<p>\u4f7f\u7528\u63d2\u503c\u7d44\u5408\u51fd\u5f0f<\/p>\n<p>glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_RGB, GL_INTERPOLATE);<\/p>\n<p>\u8a2d\u7f6e\u6210\u7d0b\u7406\u55ae\u51430\u7684\u8f38\u51fa<\/p>\n<p>glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_RGB, GL_PREVIOUS);<\/p>\n<p>\u8a2d\u7f6e\u6210\u7576\u524d\u7d0b\u7406\u5716\u50cf<\/p>\n<p>glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE1_RGB, GL_TEXTURE);<\/p>\n<p>\u70ba\u7d0b\u7406\u55ae\u5143\u8a2d\u7f6eARG2<\/p>\n<p>glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE2_RGB, GL_CONSTANT);<\/p>\n<p>\u4f7f\u7528alpha\u5e38\u6578\u4fee\u6539RGB\u5206\u91cf<\/p>\n<p>glTexEnvf(GL_TEXTURE_ENV, GL_OPERAND2_RGB, GL_SRC_ALPHA);<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5c0d\u5716\u50cf(\u7d0b\u7406)\u5408\u6210\u4f60\u53ef\u4ee5\u5f97\u5230\u5716\u50cf\u8b8a\u63db\u7684\u52d5\u756b\u6548\u679c,\u5982\u300e\u71c8\u706b\u300f.\u901a\u904e\u8b80\u53d6\u5169\u5f35\u5716\u50cf,\u7136\u5f8c\u5c0d\u5176\u9032\u884c\u63d2\u503c\u904b\u7b97,\u6700\u5f8c\u751f\u6210\u5e73 &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.bookcard.net\/wordpress\/opengl_combiner\/\" class=\"more-link\">\u7e7c\u7e8c\u95b1\u8b80 <span class=\"screen-reader-text\">OpenGL\u4e4b\u5716\u50cf\u5408\u6210\u5668<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[62],"tags":[50],"class_list":["post-3918","post","type-post","status-publish","format-standard","hentry","category-opengl","tag-opengl","entry"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/posts\/3918","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/comments?post=3918"}],"version-history":[{"count":1,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/posts\/3918\/revisions"}],"predecessor-version":[{"id":3921,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/posts\/3918\/revisions\/3921"}],"wp:attachment":[{"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/media?parent=3918"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/categories?post=3918"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/tags?post=3918"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}