{"id":3460,"date":"2018-01-03T13:53:31","date_gmt":"2018-01-03T05:53:31","guid":{"rendered":"http:\/\/www.bookcard.net\/wordpress\/?p=3460"},"modified":"2018-10-14T21:28:59","modified_gmt":"2018-10-14T13:28:59","slug":"opengl_context","status":"publish","type":"post","link":"https:\/\/www.bookcard.net\/wordpress\/opengl_context\/","title":{"rendered":"OpenGL\u4e4b\u7e6a\u88fd\u74b0\u5883"},"content":{"rendered":"
\"\"<\/a>
OpenGL\u4e4b\u7e6a\u88fd\u74b0\u5883<\/figcaption><\/figure>\n

\u7e6a\u88fd\u74b0\u5883Context\u7528\u65bc\u8a18\u9304OpenGL\u7684\u8a2d\u7f6e\u548c\u547d\u4ee4,\u4f46\u7e6a\u88fd\u74b0\u5883\u5fc5\u9700\u5728\u50cf\u7d20\u683c\u5f0f<\/a>\u8a2d\u7f6e\u5b8c\u6210\u5f8c\u8abf\u7528.\u4e0b\u9eb5\u662f\u7c21\u4ecb\u548c\u6e90\u78bc<\/p>\n\n\n\n\n\n\n\n
\u7e6a\u88fd\u74b0\u5883<\/td>\n\u7c21\u4ecb<\/td>\n<\/tr>\n
HGLRC<\/td>\n\u7e6a\u88fd\u74b0\u5883\u7684\u53e5\u67c4<\/td>\n<\/tr>\n
HGLRC wglCreateContext(HDC hDC);<\/td>\n\u5275\u5efa\u7e6a\u88fd\u74b0\u5883,\u4e26\u8fd4\u56de\u7e6a\u88fd\u74b0\u5883\u53e5\u67c4, \u5728WM_CREATE\u6d88\u606f\u4e0b\u8abf\u7528<\/td>\n<\/tr>\n
BOOL wglDeleteContext(HDC hDC,HGLRC hRC);<\/td>\n\u522a\u9664\u7e6a\u88fd\u74b0\u5883, \u5728WM_CLOSE\u6d88\u606f\u4e0b\u8abf\u7528<\/td>\n<\/tr>\n
BOOL wglMakeCurrent(HDC hDC,HGLRC hRC);<\/td>\n\u8a2d\u7f6e\u7576\u524d\u7e6a\u88fd\u74b0\u5883,\u82e5HGLRC\u8a2d\u70baNULL\u5247\u53d6\u6d88\u7576\u524d\u8a2d\u5b9a\u7684\u7e6a\u88fd\u74b0\u5883<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u5275\u5efa\u7e6a\u88fd\u74b0\u5883<\/p>\n

void Create_Context_OpenGL(HDC hDC)<\/p>\n

{ \/\/\u5275\u5efa\u7e6a\u88fd\u74b0\u5883<\/p>\n

hGLRC = ::wglCreateContext(hDC);<\/p>\n

\/\/ \u8a2d\u7f6e\u70ba\u7e6a\u88fd\u74b0\u5883<\/p>\n

::wglMakeCurrent(hDC,hGLRC);<\/p>\n

}<\/p>\n

\u522a\u9664\u7e6a\u88fd\u74b0\u5883<\/p>\n

void Delete_Context_OpenGL(HDC hDC)<\/p>\n

{ \/\/ \u53d6\u6d88\u8a2d\u5b9a\u7684\u70ba\u7e6a\u88fd\u74b0\u5883<\/p>\n

::wglMakeCurrent(hDC,NULL);<\/p>\n

\/\/ \u522a\u9664\u7e6a\u88fd\u74b0\u5883<\/p>\n

::wglDeleteContext(hGLRC);<\/p>\n

}<\/p>\n","protected":false},"excerpt":{"rendered":"

\u7e6a\u88fd\u74b0\u5883Context\u7528\u65bc\u8a18\u9304OpenGL\u7684\u8a2d\u7f6e\u548c\u547d\u4ee4,\u4f46\u7e6a\u88fd\u74b0\u5883\u5fc5\u9700\u5728\u50cf\u7d20\u683c\u5f0f\u8a2d\u7f6e\u5b8c\u6210\u5f8c\u8abf\u7528.\u4e0b\u9eb5\u662f\u7c21\u4ecb\u548c\u6e90 … <\/p>\n

\u7e7c\u7e8c\u95b1\u8b80 OpenGL\u4e4b\u7e6a\u88fd\u74b0\u5883<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[62],"tags":[50],"class_list":["post-3460","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\/3460","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=3460"}],"version-history":[{"count":1,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/posts\/3460\/revisions"}],"predecessor-version":[{"id":3462,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/posts\/3460\/revisions\/3462"}],"wp:attachment":[{"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/media?parent=3460"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/categories?post=3460"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/tags?post=3460"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}