{"id":4127,"date":"2016-08-10T21:16:54","date_gmt":"2016-08-10T13:16:54","guid":{"rendered":"http:\/\/blog.qdac.cc\/?p=4127"},"modified":"2016-08-11T13:54:15","modified_gmt":"2016-08-11T05:54:15","slug":"%e6%9d%82%e8%b0%88-%e4%bd%bf%e7%94%a8-delphi-%e5%9c%a8-vivo-y51a-%e6%89%8b%e6%9c%ba%e4%b8%8a-delphi-%e5%ba%94%e7%94%a8%e6%95%85%e9%9a%9c%e7%9a%84%e4%b8%80%e5%a4%84%e9%97%ae%e9%a2%98%e7%9a%84","status":"publish","type":"post","link":"https:\/\/blog.qdac.cc\/?p=4127","title":{"rendered":"[\u6742\u8c08] \u4f7f\u7528 Delphi \u5728 Vivo Y51A \u624b\u673a\u4e0a Delphi \u5e94\u7528\u6545\u969c\u7684\u4e00\u5904\u95ee\u9898\u7684\u7b80\u5355\u7814\u7a76"},"content":{"rendered":"

\u8fd9\u4e2a\u95ee\u9898\uff0c\u5b9e\u9645\u4e0a\u5317\u4eac\u8001\u732b\u5728\u5b83\u7684 FireMonkey \u79fb\u52a8\u5f00\u53d1\u4e2d\u5df2\u7ecf\u7ed9\u51fa\u4e86\u4e00\u4e2a\u89e3\u51b3\u65b9\u6848\uff0c\u8981\u6c42\u4fee\u6539 FMX.Canvas.GPU\uff0c\u56e0\u4e3a\u5b9e\u9645\u9047\u5230\u4e86\u8fd9\u4e2a\u60c5\u51b5\uff0c\u6240\u4ee5\u6211\u5c31\u7279\u610f\u8ddf\u8e2a\u4e86\u4e0b\uff0c\u6211\u89c9\u5f97\u771f\u6b63\u7684\u95ee\u9898\u5e94\u8be5\u662f\u51fa\u5728 Vivo\uff0c\u6216\u8005\u662f\u9ad8\u901a\u63d0\u4f9b\u7684\u9a71\u52a8\u4e0a\u7684\u95ee\u9898\u3002FMX.Canvas.GPU \u5b9e\u9645\u4e0a\u4f4e\u5c42\u8c03\u7528\u7684\u662f\u00a0FMX.Context.GLES \u4e2d\u7684\u00a0MaxTextureSize \u65b9\u6cd5\u6765\u83b7\u53d6\u56fe\u7247\u7684\u6700\u5927\u5141\u8bb8\u5927\u5c0f\uff0c Delphi \u7684\u5b9e\u73b0\u4ee3\u7801\u4e3a\uff1a<\/p>\n

class function TCustomContextOpenGL.MaxTextureSize: Integer;\r\nbegin\r\n  CreateSharedContext;\r\n  glGetIntegerv(GL_MAX_TEXTURE_SIZE, @Result);\r\nend;<\/pre>\n
\u5355\u6b65\u6267\u884c\u7684\u7ed3\u679c\uff0c\u53d1\u73b0 Result \u7684\u503c\u8fd4\u56de\u7684\u662f 0\u3002\u90a3\u4e48\u5c1d\u8bd5\u770b GL_MAX_TEXTURE_SIZE \u5565\u65f6\u5019\u4f1a\u8fd4\u56de 0 \u5462\uff1f<\/p>\n
\u6211\u4eec\u5728\u8fd9\u5757\u4ee5\u5fae\u8f6f\u7684\u6587\u6863<\/a>\u6765\u770b\u770b glGetIntergerv \u5230\u5e95\u600e\u4e48\u8bf4\u7684\uff1a<\/p>\n
GL_MAX_TEXTURE_SIZE
\nThe params parameter returns one value: the maximum width or height of any texture image (without borders). See glTexImage1D and glTexImage2D.<\/p>\n
\u597d\u5427\uff0c\u8ba9\u6211\u4eec\u770b glTextImage1D \u548c glTextImage2D\uff0c\u627e\u5230\u4e0b\u9762\u4e00\u6bb5\u8bdd\uff1a<\/p>\n
GL_INVALID_VALUE
\nwidth or height was less than zero or greater than 2 + GL_MAX_TEXTURE_SIZE, or it could not be represented as 2\u207f + 2(border) for some integer value of n.<\/p>\n
\u597d\u5427\uff0c\u6211\u662f\u6ca1\u770b\u5b83\u5b98\u65b9\u8bf4\u5565\u65f6\u5019\u5e94\u8be5\u8fd4\u56de0\u3002\u4e0d\u8fc7\u5728 Stackflow \u00a0\u7684\u4e00\u7bc7\u95ee\u7b54<\/a>\u91cc\uff0c\u5b83\u8bf4\u4e86\u4e00\u53e5\u8bdd\uff1a<\/p>\n
maxTextureSize stores the size limit for decoded image such as 4096×4096, 8192×8192 . Remember to run this piece of code in the MainThread<\/strong> or you will get Zero.<\/p>\n
\u7b80\u5355\u8bf4\u6765\uff0c\u5c31\u662f\u8bf4\u8fd9\u6bb5\u4ee3\u7801\u5982\u679c\u4e0d\u662f\u8fd0\u884c\u5728\u4e3b\u7ebf\u7a0b\uff0c\u5c06\u4f1a\u8fd4\u56de 0\u3002\u56e0\u4e3a\u7740\u6025\uff0c\u6211\u76f4\u63a5\u5904\u7406\u4e86\u00a0MaxTextureSize \u51fd\u6570\uff0c\u76f4\u63a5\u8fd4\u56de\u4e86\u4e00\u4e2a\u56fa\u5b9a\u503c 8192\uff08\u4e00\u822c\u662f8192\/16384\u7684\u5c45\u591a\uff1a\u6570\u636e\u6765\u6e90<\/a>\uff09\u3002\u4f46\u8fd9\u4e2a\u95ee\u9898\u7684\u539f\u56e0\u5230\u5e95\u662f\u4ec0\u4e48\uff0c\u6211\u73b0\u5728\u56e0\u4e3a\u6ca1\u6709\u6d4b\u8bd5\u73af\u5883\uff0c\u65e0\u6cd5\u786e\u5b9a\u95ee\u9898\u7684\u771f\u6b63\u539f\u56e0\uff0c\u5982\u679c\u90a3\u4f4d\u670b\u53cb\u6709\u8fd9\u6b3e\u624b\u673a\uff0c\u6b22\u8fce\u8054\u7cfb\u6211\u5927\u5bb6\u4e00\u8d77\u6d4b\u8bd5\u4e0b\u95ee\u9898\u5230\u5e95\u51fa\u5728\u90a3\u91cc\uff0c\u4f1a\u4e0d\u4f1a\u662f\u67d0\u4e9b\u7279\u5b9a\u60c5\u51b5\u4e0b\uff0cOpenGL \u7684\u4e0a\u4e0b\u6587\u771f\u7684\u521b\u5efa\u5728\u4e86\u540e\u53f0\u7ebf\u7a0b\u9020\u6210\u7684\u3002<\/p>\n
\u53e6\u5916\uff0c\u8fd9\u4e2a\u95ee\u9898\u4ec5\u5b58\u5728\u4e8e Android \u4e2d\uff0ciOS \u4e2d\u6682\u65f6\u81f3\u5c11\u6211\u662f\u6ca1\u6709\u9047\u5230\u3002<\/p>\n
\u9644\uff1aAndroid \u8c03\u8bd5\u65e5\u5fd7\uff0c\u53ef\u4ee5\u770b\u5230\u00a0eglCreateWindowSurface \u8c03\u7528\u5931\u8d25\u9020\u6210\u540e\u9762\u00a0GL_MAX_TEXTURE_SIZE \u4e3a 0 \u9020\u6210\u6b64\u95ee\u9898\u3002<\/p>\n
08-11 13:02:40.284: I\/Adreno-EGL(22385): Reconstruct Branch: NOTHING\r\n08-11 13:02:40.294: D\/StatusBarColorManager(3760): SystemUI|notifyStatusBarColorInfo: iconColor = -1, bgColor = ffededed, bgVisible = true\r\n08-11 13:02:40.324: E\/BufferQueueProducer(249): [com.jlgoldenbay.ddb\/com.embarcadero.firemonkey.FMXNativeActivity] connect(P): BufferQueue has been abandoned\r\n08-11 13:02:40.324: E\/libEGL(22385): eglCreateWindowSurface: native_window_api_connect (win=0xb96fa290) failed (0xffffffed) (already connected to another API?)\r\n08-11 13:02:40.324: E\/libEGL(22385): eglCreateWindowSurface:417 error 3003 (EGL_BAD_ALLOC)\r\n08-11 13:02:40.324: W\/Adreno-EGL(22385): <qeglDrvAPI_eglMakeCurrent:2963>: EGL_BAD_MATCH\r\n08-11 13:02:40.324: E\/libEGL(22385): eglMakeCurrent:792 error 3009 (EGL_BAD_MATCH)\r\n08-11 13:02:40.324: E\/libEGL(22385): eglDestroySurface:587 error 300d (EGL_BAD_SURFACE)\r\n08-11 13:02:40.324: I\/info(22385): FMX: \u9876\u9876\u68d2: [Context Exception]: Cannot create OpenGL context for 'eglMakeCurrent'.\r\n08-11 13:02:40.444: E\/libEGL(22385): call to OpenGL ES API with no current context (logged once per thread)\r\n08-11 13:02:40.444: E\/libEGL(22385): validate_display:255 error 3008 (EGL_BAD_DISPLAY)\r\n08-11 13:02:40.444: E\/libEGL(22385): validate_display:255 error 3008 (EGL_BAD_DISPLAY)\r\n08-11 13:02:40.444: E\/BufferQueueProducer(249): [com.jlgoldenbay.ddb\/com.embarcadero.firemonkey.FMXNativeActivity] connect(P): BufferQueue has been abandoned\r\n08-11 13:02:40.444: E\/libEGL(22385): eglCreateWindowSurface: native_window_api_connect (win=0xb96fa290) failed (0xffffffed) (already connected to another API?)\r\n08-11 13:02:40.444: E\/libEGL(22385): eglCreateWindowSurface:417 error 3003 (EGL_BAD_ALLOC)\r\n08-11 13:02:40.444: W\/Adreno-EGL(22385): <qeglDrvAPI_eglMakeCurrent:2963>: EGL_BAD_MATCH\r\n08-11 13:02:40.444: E\/libEGL(22385): eglMakeCurrent:792 error 3009 (EGL_BAD_MATCH)\r\n08-11 13:02:40.444: I\/info(22385): FMX: \u9876\u9876\u68d2: [Context Exception]: Cannot create OpenGL context for 'CreateDummyContext'.\r\n08-11 13:02:40.444: E\/libEGL(22385): eglDestroySurface:587 error 300d (EGL_BAD_SURFACE)\r\n08-11 13:02:40.444: E\/BufferQueueProducer(249): [com.jlgoldenbay.ddb\/com.embarcadero.firemonkey.FMXNativeActivity] connect(P): BufferQueue has been abandoned\r\n08-11 13:02:40.444: E\/libEGL(22385): eglCreateWindowSurface: native_window_api_connect (win=0xb96fa290) failed (0xffffffed) (already connected to another API?)\r\n08-11 13:02:40.444: E\/libEGL(22385): eglCreateWindowSurface:417 error 3003 (EGL_BAD_ALLOC)\r\n08-11 13:02:40.454: W\/Adreno-EGL(22385): <qeglDrvAPI_eglMakeCurrent:2963>: EGL_BAD_MATCH\r\n08-11 13:02:40.454: E\/libEGL(22385): eglMakeCurrent:792 error 3009 (EGL_BAD_MATCH)\r\n08-11 13:02:40.454: E\/libEGL(22385): eglDestroySurface:587 error 300d (EGL_BAD_SURFACE)\r\n08-11 13:02:40.454: I\/info(22385): FMX: \u9876\u9876\u68d2: [Context Exception]: Cannot create OpenGL context for 'eglMakeCurrent'.\r\n08-11 13:02:40.484: E\/libEGL(22385): validate_display:255 error 3008 (EGL_BAD_DISPLAY)\r\n08-11 13:02:40.494: E\/libEGL(22385): validate_display:255 error 3008 (EGL_BAD_DISPLAY)\r\n08-11 13:02:40.494: E\/libEGL(22385): validate_display:255 error 3008 (EGL_BAD_DISPLAY)\r\n08-11 13:02:40.504: D\/debug(22385): OpenGLES.GL_MAX_TEXTURE_SIZE:0\r\n08-11 13:02:40.504: D\/debug(22385): OpenGLES.GL_MAX_TEXTURE_SIZE:0<\/pre>\n
 <\/p>\n","protected":false},"excerpt":{"rendered":"
\u8fd9\u4e2a\u95ee\u9898\uff0c\u5b9e\u9645\u4e0a\u5317\u4eac\u8001\u732b\u5728\u5b83\u7684 Fire […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[145,21],"tags":[],"class_list":["post-4127","post","type-post","status-publish","format-standard","hentry","category-android","category-misc"],"views":4876,"_links":{"self":[{"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts\/4127","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4127"}],"version-history":[{"count":3,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts\/4127\/revisions"}],"predecessor-version":[{"id":4135,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts\/4127\/revisions\/4135"}],"wp:attachment":[{"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4127"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4127"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4127"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}