{"id":4253,"date":"2023-01-10T22:16:05","date_gmt":"2023-01-10T14:16:05","guid":{"rendered":"https:\/\/blog.coderfan.org\/?p=4253"},"modified":"2023-06-20T15:22:17","modified_gmt":"2023-06-20T07:22:17","slug":"using-opengl-es-to-draw-in-android-native","status":"publish","type":"post","link":"https:\/\/blog.coderfan.org\/en\/using-opengl-es-to-draw-in-android-native.html","title":{"rendered":"Android Native\u4f7f\u7528OpenGL ES\u8fdb\u884c\u56fe\u50cf\u7ed8\u5236"},"content":{"rendered":"
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\n \t<\/i> Read Time:<\/span>6 Minute, 0 Second <\/div>\n\n <\/div>\n

\u76f8\u4fe1\u4e0d\u5c11\u670b\u53cb\u4e00\u5b9a\u542c\u8bf4\u8fc7Open GL\uff0c\u4f46\u4e5f\u4ec5\u9650\u4e8e\u542c\u8bf4\u800c\u5df2\uff0c\u5f80\u5f80\u6ca1\u6709\u673a\u4f1a\u4e5f\u53ef\u80fd\u662f\u6ca1\u6709\u9700\u6c42\u53bb\u4e86\u89e3\u4e43\u81f3\u4f7f\u7528\u8fc7\u3002\u8fd9\u7bc7\u6587\u7ae0\u5c06\u7ed3\u5408\u6211\u4e2a\u4eba\u5728\u5f00\u53d1\u6d41\u7a0b\u4e2d\u7684\u4e00\u4e9b\u7ecf\u9a8c\uff0c\u7b80\u5355\u8bb2\u89e3\u5982\u4f55\u5728\u5b89\u5353\u539f\u751f\u7cfb\u7edf\u4e2d\u4f7f\u7528OpenGL\u6765\u5b9e\u73b0\u57fa\u7840\u7684\u56fe\u50cf\u7ed8\u5236\u3002<\/p>\n\n\n\n

Open GL\u5176\u5b9e\u662fOpen Graphic Library\u7684\u82f1\u6587\u7f29\u5199\uff0c\u5176\u4f5c\u7528\u662f\u4e3a\u4e0a\u5c42\u5e94\u7528\u63d0\u4f9b\u7edf\u4e00\u7684\u3001\u8de8\u5e73\u53f0\u4e14\u53ef\u8de8\u8bed\u8a00\u76842D\/3D\u56fe\u5f62\u6e32\u67d3\u63a5\u53e3\u3002Open GL\u9488\u5bf9\u4e0d\u540c\u7684\u7cfb\u7edf\u63d0\u4f9b\u4e0d\u540c\u7684\u63a5\u53e3\u5b50\u96c6\uff0c\u5728\u5b89\u5353\u8fd9\u7c7b\u5d4c\u5165\u5f0f\u7cfb\u7edf\u4e2d\u79f0\u4e4b\u4e3aOpenGL ES\uff08Open GL for Embedded System\uff09\u3002<\/p>\n\n\n\n

\u5728Android12\u4e2d\uff0c\u8c37\u6b4c\u63d0\u4f9b\u4e86OpenGL ES 1.0\u4e0e2.0\u548cOpenGL ES 3.0\u7684\u63a5\u53e3\uff0c\u800cOpenGL\u672c\u8eab\u5df2\u7ecf\u53d1\u5c55\u5230\u4e864.x\u7248\u672c\uff0c\u4e0d\u8fc7\u7b49\u5230Android\u7cfb\u7edf\u652f\u6301\u4ecd\u9700\u8981\u4e00\u6bb5\u65f6\u95f4\u3002\u800c\u5728\u6211\u4eec\u57fa\u672c\u7684\u5f00\u53d1\u4e2d\uff0cOpenGL ES 2.0\u7248\u672c\u5176\u5b9e\u5c31\u5df2\u7ecf\u80fd\u6ee1\u8db3\u6211\u4eec\u57fa\u672c\u7684\u5f00\u53d1\u9700\u6c42\u3002<\/p>\n\n\n\n

Android\u5c06\u4ee5so\u5e93\u7684\u5f62\u5f0f\u4e3a\u539f\u751f\u5e94\u7528\u63d0\u4f9bOpenGL ES\u7684\u652f\u6301\uff0c\u6240\u4ee5\u6211\u4eec\u5728\u4f7f\u7528\u65f6\uff0c\u9700\u8981\u786e\u4fdd\u5bfc\u5165\u4ee5\u4e0b\u5171\u4eab\u5e93\uff1a<\/p>\n\n\n\n

libEGL\nlibGLESv2\nlibGLESv3<\/code><\/pre>\n\n\n\n
\u5982\u5728Android.bp\u4e2d\uff0c\u5c06\u4e0a\u8ff0\u5171\u4eab\u5e93\u6dfb\u52a0\u5230shared_libs\u5b57\u6bb5\u5185\uff0c\u5982\u679c\u4f60\u662f\u4f7f\u7528Android.mk\uff0c\u5219\u5e94\u5c06\u4e0a\u8ff0\u5171\u4eab\u5e93\u6dfb\u52a0\u5230LOCAL_SHARED_LIBRARIES\u5b57\u6bb5\u3002\u540c\u65f6\uff0c\u8fd8\u5e94\u8be5\u6dfb\u52a0\u5982\u4e0b\u5934\u6587\u4ef6\u624d\u80fd\u6b63\u5e38\u4f7f\u7528\u76f8\u5e94\u7684API:<\/p>\n\n\n\n
#include <EGL\/egl.h>\n#include <EGL\/eglext.h>\n#include <GLES2\/gl2.h>\n#include <GLES2\/gl2ext.h>\n#include <GLES3\/gl3.h>\n#include <GLES3\/gl3ext.h><\/code><\/pre>\n\n\n\n
\u8fd9\u662f\u6b63\u5f0f\u4f7f\u7528\u524d\u7684\u51c6\u5907\u5de5\u4f5c\u3002\u5728\u6211\u4eec\u8fdb\u884c\u4e0b\u4e00\u6b65\u4e4b\u524d\uff0c\u6211\u4eec\u8fd8\u5f97\u7b80\u5355\u4e86\u89e3\u4e00\u4e0b\u4ee5\u4e0b\u6982\u5ff5\uff1a<\/p>\n\n\n\n
1.EGL:Embedded Graphic Interface\uff0c\u662fOpenGL ES\u548c\u5e95\u5c42\u89c6\u7a97\u7cfb\u7edf\u4e4b\u95f4\u7684\u9002\u914d\u5c42\uff0cOpenGL\u4e4b\u6240\u4ee5\u5177\u6709\u8fd9\u6837\u7684\u8de8\u5e73\u53f0\u6027\uff0c\u5c31\u662f\u56e0\u4e3a\u6709\u7c7b\u4f3c\u4e8eEGL\u8fd9\u6837\u7684\u9002\u914d\u5c42\u5b58\u5728\u3002\u5728OpenGL ES\u5de5\u4f5c\u6d41\u4e2d\u7684Display\u3001Config\u548cSurface\u7b49\u90fd\u9700\u8981EGL\u73af\u5883\u6765\u83b7\u53d6\u6216\u914d\u7f6e\u3002\u5982\u4f55\u533a\u5206EGL\u7684API\u4e0eOpenGL\u7684API\u5462\uff0c\u51e1\u662f\u7c7b\u4f3c\u4e8eeglxxx\u8fd9\u6837\u7684\u5373\u5c5e\u4e8eEGL\u7684API\uff0c\u51e1\u662f\u7c7b\u4f3c\u4e8eglxxxx\u8fd9\u6837\u7684\u5373\u5c5e\u4e8eOpenGL\u7684API\u3002<\/p>\n\n\n\n
2.Surface:Surface\u7531\u6bcf\u4e2a\u5e94\u7528\u81ea\u884c\u521b\u5efa\uff0c\u6bcf\u4e2aSurface\u5177\u6709\u76f8\u540c\u7684\u5c5e\u6027\uff0c\u53ea\u662f\u5177\u4f53\u7684\u503c\u4e0d\u540c\u3002\u5982\u5bbd\u9ad8\u3001\u6570\u636e\u683c\u5f0f\u3001\u5c42\u7ea7\u7b49\u7b49\u3002\u5728Android\u7cfb\u7edf\u4e2d\uff0cSurface\u4e00\u822c\u90fd\u4f1a\u4ea4\u7531SurfaceFlinger\u96c6\u4e2d\u7ba1\u7406\uff0c\u4e4b\u540e\u4f1a\u7531hwcomposer\u5c06\u4e0d\u540c\u7684Surface\u5408\u6210\u663e\u793a\u3002\u6700\u7ec8\u4f60\u4f1a\u770b\u5230\u6211\u4eec\u591a\u4e2a\u5e94\u7528\u7684\u754c\u9762\u663e\u793a\u5728\u540c\u4e00\u4e2a\u663e\u793a\u5c4f\u4e0a\u3002<\/p>\n\n\n\n
3.Framebuffer:Framebuffer\u5219\u662f\u7528\u4e8e\u5b58\u50a8\u6211\u4eec\u9700\u8981\u663e\u793a\u5728Display\u8bbe\u5907\u4e0a\u7684\u5177\u4f53\u6570\u636e\u7684\u4e00\u5757\u5185\u5b58\u7a7a\u95f4\u3002Framebuffer\u7684\u7ba1\u7406\u4f1a\u7531\u4e13\u95e8\u7684\u9a71\u52a8\u8fdb\u884c\u7ba1\u7406\uff0c\u8bbe\u5907\u8282\u70b9\u901a\u5e38\u662f\/dev\/fbx\uff0c\u5728Android\u8bbe\u5907\u4e2d\u5219\u4e3a\/dev\/graphics\/fbx,\u901a\u5e38\u662ffb0\u3002Framebuffer\u5185\u7684\u5185\u5bb9\u53ef\u4ee5\u76f4\u63a5\u663e\u793a\u5230Display\u8bbe\u5907\u4e0a\uff0c\u5177\u4f53\u4e0e\u6e32\u67d3\u6a21\u5f0f\u6709\u5173\u3002<\/p>\n\n\n\n
\u5f88\u591a\u4eba\u53ef\u80fd\u4f1a\u5bf9Surface\u4e0eFramebuffer\u7684\u6982\u5ff5\u611f\u5230\u96be\u4ee5\u7406\u89e3\u3002\u8fd9\u91cc\u6211\u8c08\u8c08\u6211\u7684\u7406\u89e3\uff0cSurface\u5176\u5b9e\u4e5f\u662f\u9700\u8981Buffer\u7a7a\u95f4\u6765\u627f\u8f7d\u6570\u636e\u7684\uff0c\u4e0d\u8fc7\u8fd9\u90e8\u5206\u7684Buffer\u901a\u5e38\u662f\u6765\u81ea\u4e8e\/dev\/pmem\u3001\/dev\/ashmem\u7b49\uff0c\u5176\u4e3b\u8981\u76ee\u7684\u662f\u7528\u4e8e\u786c\u4ef6\u52a0\u901f\uff0c\u4e00\u822c\u8fd9\u90e8\u5206Buffer\u6570\u636e\u662f\u9001\u5f80GPU\u5904\u7406\u7684\uff0c\u800cFramebuffer\u5219\u662f\u9001\u5f80\u663e\u793a\u5668\u3002Surface\u7684\u6982\u5ff5\u62bd\u8c61\u5c42\u6b21\u66f4\u9ad8\uff0c\u5177\u6709\u66f4\u591a\u7684\u5c5e\u6027\uff0cFramebuffer\u5219\u6bd4\u8f83\u597d\u7406\u89e3\u3002\u6211\u4eec\u5728\u7406\u89e3\u8fd9\u4e24\u4e2a\u6982\u5ff5\u65f6\uff0c\u5176\u5b9e\u53ea\u8981\u8bb0\u4f4f\u4e24\u8005\u7684\u76ee\u7684\u5730\u4e0d\u540c\u5c31\u80fd\u6bd4\u8f83\u65b9\u4fbf\u7684\u5398\u6e05\u4e24\u8005\u7684\u5dee\u5f02\u3002<\/p>\n\n\n\n
\u5728\u7406\u89e3\u4e0a\u8ff0\u6982\u5ff5\u540e\uff0c\u6211\u4eec\u5f00\u59cb\u770b\u5982\u4f55\u8fdb\u884c\u56fe\u50cf\u7ed8\u5236\u3002<\/p>\n\n\n\n
1.EGL\u521d\u59cb\u5316<\/p>\n\n\n\n
\u524d\u9762\u6211\u4eec\u5df2\u7ecf\u8bb2\u5230EGL\u662fOpenGL ES\u80fd\u591f\u5de5\u4f5c\u7684\u57fa\u7840\u3002\u5728\u6211\u4eec\u6b63\u5f0f\u4f7f\u7528OpenGL ES\u7684API\u4e4b\u524d\uff0c\u6211\u4eec\u9700\u8981\u914d\u7f6e\u597dEGL\uff0c\u8fd9\u4e00\u73af\u8282\u5373\u662fEGL\u7684\u73af\u5883\u521d\u59cb\u5316\u3002EGL\u73af\u5883\u7684\u521d\u59cb\u5316\u975e\u5e38\u91cd\u8981\uff0c\u5982\u679c\u5728EGL\u672a\u5b8c\u6210\u521d\u59cb\u5316\u7684\u60c5\u51b5\u4e0b\u53bb\u8c03\u7528OpenGL\u7684API\uff0c\u90fd\u4f1a\u662f\u65e0\u7528\u529f\uff0c\u521d\u5b66\u8005\u5c24\u5176\u9700\u8981\u6ce8\u610f<\/strong>\u3002\u5173\u4e8eEGL\u73af\u5883\u7684\u521d\u59cb\u5316\uff0c\u5927\u81f4\u5206\u4e3a\u5982\u4e0b\u51e0\u4e2a\u6b65\u9aa4\uff1a<\/p>\n\n\n\n
\u7b2c\u4e00\u6b65\uff1a\u83b7\u53d6Dispaly,Display\u4ee3\u8868\u663e\u793a\u5668\uff0c\u5728\u6709\u4e9b\u7cfb\u7edf\u4e2d\u5b58\u5728\u591a\u4e2a\u663e\u793a\u5668\uff0c\u4e5f\u5c31\u4f1a\u6709\u591a\u4e2aDisplay\u3002display\u6307\u5b9a\u663e\u793a\u8fde\u63a5\uff0c\u4e00\u822c\u4f7f\u7528\u9ed8\u8ba4\u7684EGL_DEFAULT_DISPLAY,\u5373\u8fd4\u56de\u4e0e\u9ed8\u8ba4\u539f\u751f\u7a97\u53e3\u7684\u8fde\u63a5\u3002\u540c\u65f6\u8fd9\u91cc\u4e5f\u9700\u8981\u6ce8\u610f\uff0cdisplay\u5e76\u4e0d\u4e00\u5b9a\u6307\u7269\u7406\u7684\u5c4f\u5e55\uff0c\u4e5f\u53ef\u4ee5\u662f\u865a\u62df\u51fa\u6765\u7684display\u3002<\/p>\n\n\n\n
\u4f7f\u7528\u63a5\u53e3\uff1aEGLboolean eglGetDisplay(NativeDisplay dpy)<\/p>\n\n\n\n
\u4e00\u822c\u4f7f\u7528\u9ed8\u8ba4\u7684EGL_DEFAULT_DISPLAY<\/strong>\uff0c\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n\n\n\n
EGLDisplay display = eglGetDisplay(EGL_DEFAULT_DISPLAY);\nif (display == EGL_NO_DISPLAY)\n{\n       LOGE(\"Failed to get egl display\");\n       return false;\n}\n<\/code><\/pre>\n\n\n\n
\u7b2c\u4e8c\u6b65\uff1a\u521d\u59cb\u5316egl\uff0c\u8fd9\u4e00\u6b65\u4f1a\u8fdb\u884c\u5185\u90e8\u521d\u59cb\u5316\u5de5\u4f5c\uff0c\u5e76\u8fd4\u56deEGL\u7684\u7248\u672c\u53f7\uff08major\uff0cminor\uff09<\/p>\n\n\n\n
\u4f7f\u7528\u63a5\u53e3\uff1aEGLBoolean  eglInitialize(EGLDisplay display,EGLint  *majorVersion,EGLint  *minorVersion)<\/p>\n\n\n\n
\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n\n\n\n
EGLint major = 0;\nEGLint minor = 0;\nif (!eglInitialize(display, &major, &minor))\n{\n     LOGE(\"Failed to initialize EGL:%s \", getEGLError());\n     return false;\n}\nelse\n{\n     LOGI(\"Intiialized EGL at major:%d,minor:%d\", major, minor);\n}\n<\/code><\/pre>\n\n\n\n
\u7b2c\u4e09\u6b65\uff1a\u9009\u62e9config\u914d\u7f6e\uff0c\u914d\u7f6e\u7684\u5185\u5bb9\u5b9e\u9645\u4e0a\u662fFramebuffer\u7684\u53c2\u6570<\/p>\n\n\n\n
\u4f7f\u7528\u63a5\u53e3\uff1aEGLboolean eglChooseConfig(EGLDisplay dpy, const EGLint * attr_list, EGLConfig * config, EGLint config_size, EGLint *num_config)<\/p>\n\n\n\n
\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n\n\n\n
  \/\/Select the configuration that \"best\" matches our desired characteristics\n  EGLConfig egl_config;\n  EGLint num_configs;\n  if (!eglChooseConfig(display, config_attribs, &egl_config, 1,&num_configs))\n  {\n        LOGE(\"eglChooseConfig() failed with error:%s\", getEGLError());\n        return false;\n  }\n<\/code><\/pre>\n\n\n\n
\u5176\u4e2dattr_list\u662f\u4e00\u4e2a\u53c2\u6570\u6570\u7ec4\uff0c\u4ee5id\uff0cvalue\u7684\u5f62\u5f0f\u4f9d\u6b21\u5b58\u653e\uff0c\u5728Android\u4e2d\u5e38\u7528\u7684attr_list\u5982\u4e0b\uff1a<\/p>\n\n\n\n
\/\/ Hardcoded to RGBx output display\n const EGLint config_attribs[] = {\n        \/\/ Tag  Value\n        EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,\n        EGL_RED_SIZE, 8,\n        EGL_GREEN_SIZE, 8,\n        EGL_BLUE_SIZE, 8,\n        EGL_NONE\n};\n<\/code><\/pre>\n\n\n\n
\u6211\u4eec\u4e5f\u53ef\u4ee5\u901a\u8fc7\u5982\u4e0b\u63a5\u53e3\u6765\u83b7\u53d6\u6240\u6709\u652f\u6301\u7684config\u914d\u7f6e\uff1a<\/p>\n\n\n\n
EGLboolean eglGetConfigs(EGLDisplay dpy, EGLConfig * config, EGLint config_size, EGLint *num_config)<\/code><\/pre>\n\n\n\n
\u6bcf\u4e2aconfig\u6709\u4f17\u591a\u7684Attribute\uff0c\u8fd9\u4e9bAttribute\u51b3\u5b9a\u4e86Framebuffer\u7684\u683c\u5f0f\u548c\u80fd\u529b\uff0c\u901a\u8fc7\u5982\u4e0b\u63a5\u53e3\u6765\u83b7\u53d6\uff1a<\/p>\n\n\n\n
eglGetConfigAttrib ()<\/code><\/pre>\n\n\n\n
\u7b2c\u56db\u6b65\uff1a\u6784\u9020Surface\uff0c\u7528\u4e8e\u627f\u8f7dFramebuffer<\/p>\n\n\n\n
\u4f7f\u7528\u63a5\u53e3\uff1aEGLSurface eglCreateWindowSurface(EGLDisplay dpy, EGLConfig confg,NativeWindowType  native_window<\/em> , EGLint *cfg_attr)<\/p>\n\n\n\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n\n\n\n
 \/\/ Create the EGL render target surface\n   mSurface = eglCreateWindowSurface(mDisplay, egl_config, mWindow, nullptr);\n   if (mSurface == EGL_NO_SURFACE)\n   {\n       ALOGE(\"eglCreateWindowSurface failed\");\n       return false;\n    }\n<\/code><\/pre>\n\n\n\n
\u9664\u4e86WindowSurface\uff0c\u8fd8\u652f\u6301\u53e6\u5916\u7684Surface:PixmapSurface\u548cPBufferSurface\uff0c\u8fd9\u4e24\u79cdSurface\u90fd\u4e0d\u662f\u53ef\u663e\u793a\u7684Surface\uff0c\u5176\u4e2dPixmapSurface\u662f\u4fdd\u5b58\u5728\u7cfb\u7edf\u5185\u5b58\u4e2d\u7684\u4f4d\u56fe\uff0c\u800cPBufferSurface\u662f\u4fdd\u5b58\u5728\u663e\u5b58\u4e2d\u7684\u5e27\u3002<\/p>\n\n\n\n
\u5728\u8be5\u63a5\u53e3\u4e2d\uff0c\u6211\u4eec\u5df2\u7ecf\u901a\u8fc7 eglGetDisplay\u63a5\u53e3\u62ff\u5230\u4e86\u5bf9\u5e94\u7684\u8868\u5f81\u201c\u5c4f\u5e55\u201d\u7684\u5bf9\u8c61\uff0c\u4f46surface\u7684\u8d77\u70b9\u3001\u5927\u5c0f\u3001layer\u5c42\u7ea7\u90fd\u672a\u53ef\u77e5\uff0c\u8fd9\u5c31\u9700\u8981\u901a\u8fc7native_window<\/em>\u6765\u8fdb\u884c\u8bbe\u5b9a\uff0c\u5728Android\u4e2d\u4e5f\u5c31\u662fANativeWindow\uff0c\u5bf9ANativeWindow\u8bbe\u5b9a\u5176\u8d77\u70b9\u3001\u5bbd\u3001\u9ad8\u3001zorder\uff0cformat\u7b49\u5c5e\u6027\u3002\u5728Android\u4e2d,\u4e00\u822c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4e09\u79cd\u65b9\u5f0f\u6765\u83b7\u53d6ANativeWindow\uff1a<\/p>\n\n\n\n
\/\/\u65b9\u5f0f\u4e00\uff1a\u901a\u8fc7surfaceComposerClient\u2014>createSurface\u83b7\u53d6\u5230surfaceControl\u5bf9\u8c61\uff0c\u901a\u8fc7surfaceControl\u5bf9\u8c61\u83b7\u53d6ANativeWindow\nsp<ANativeWindow> anw = mSurfaceControl->getSurface();\n\n\/\/\u65b9\u5f0f\u4e8c\uff1a\u901a\u8fc7IGraphicBufferProducer\u8f6c\u6362\u4e3abufferqueue\n\/\/\u5b9a\u4e49\u4e0e\u5b9e\u73b0\u5728frameworks\/native\/libs\/bufferqueueconverter\/ BufferQueueConverter.h\nSurfaceHolderUniquePtr getSurfaceFromHGBP(const sp<HGraphicBufferProducer>& token); ANativeWindow* getNativeWindow(SurfaceHolder* surfaceHoldser);\n\n\/\/\u65b9\u5f0f\u4e09\uff1a\u901a\u8fc7libgui\u4e2d\u7684Surface\u5bf9\u8c61\u521b\u5efaANativeWindow\uff0c\u6784\u9020\u65f6\u4f7f\u7528\u7684surface\u662f\/\/IGraphicBufferProducer,\u800cSurface\u672c\u8eab\u7ee7\u627f\u81eaANativeWindow\uff0c\u53c2\u8003\uff1a\/\/frameworks\/native\/libs\/gui\/include\/gui\/Surface.h\nsp<ANativeWindow> anw = new Surface(surface, controlledByApp);<\/code><\/pre>\n\n\n\n
\u5728CreateWindowSurface\u65f6\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u8bbe\u5b9aSurface\u7684Attribute\uff0c\u4e00\u4e9b\u5e38\u89c1\u7684Attribute\uff1a<\/p>\n\n\n\n
EGL_HEIGHT\nEGL_WIDTH\nEGL_LARGEST_PBUFFER\nEGL_TEXTURE_FORMAT\nEGL_TEXTURE_TARGET\nEGL_MIPMAP_TEXTURE\nEGL_MIPMAP_LEVEL\n<\/code><\/pre>\n\n\n\n
\u53ef\u4ee5\u901a\u8fc7 eglSurfaceAttrib() \u8bbe\u7f6e\u3001eglQuerySurface()\u8bfb\u53d6\u3002<\/p>\n\n\n\n
\u7b2c\u4e94\u6b65\uff1a\u521b\u5efaContext\uff0cContext\u5185\u5305\u542b\u5f53\u524d\u7684\u989c\u8272\u3001\u7eb9\u7406\u5750\u6807\u3001\u53d8\u6362\u77e9\u9635\u3001\u6e32\u67d3\u6a21\u5f0f\u7b49\u4e00\u5806\u72b6\u6001\uff0c\u8fd9\u4e9b\u72b6\u6001\u7ed3\u5408\u9876\u70b9\u5750\u6807\u3001shader\u7b49\u56fe\u5143\u4ece\u800c\u5f62\u6210\u5e27\u7f13\u51b2\u533a\u5185\u7684\u50cf\u7d20\u3002<\/p>\n\n\n\n
\u4f7f\u7528\u63a5\u53e3\uff1aEGLContext eglCreateContext(EGLDisplay dpy, EGLConfig config<\/var>,EGLContext share_context<\/var>, EGLint const * attrib_list<\/var>)<\/p>\n\n\n\n
\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n\n\n\n
\/\/ Create the EGL context\n\/\/ NOTE:  Our shader is (currently at least) written to require version 3, so this\n\/\/        is required.\nconst EGLint context_attribs[] = { EGL_CONTEXT_CLIENT_VERSION, 3, EGL_NONE };\nmContext = eglCreateContext(mDisplay, egl_config, EGL_NO_CONTEXT, context_attribs);\nif (mContext == EGL_NO_CONTEXT)\n{\n       ALOGE(\"Failed to create OpenGL ES Context:%s\", getEGLError());\n       return false;\n}\n<\/code><\/pre>\n\n\n\n
\u9700\u8981\u8bf4\u660e\u7684\u662f\uff0c\u7b2c\u56db\u6b65\u4e0e\u7b2c\u4e94\u6b65\u5e76\u6ca1\u6709\u4e25\u683c\u7684\u987a\u5e8f\u8981\u6c42\uff0c\u5b9e\u9645\u4e0a\u5148\u8c03\u7528eglCreateContext\u518d\u8c03\u7528 eglCreateWindowSurface \u4e5f\u662f\u53ef\u4ee5\u7684<\/strong>\u3002 <\/p>\n\n\n\n
\u7b2c\u516d\u6b65\uff1aMakeCurrent\uff0c\u8fd9\u4e00\u6b65\u7684\u76ee\u7684\u662f\u5c06\u6211\u4eec\u5c06\u8981\u6e32\u67d3\u7684Context\u7ed1\u5b9a\u5230Surface\u3001Display\u4e0a\u3002\u5982\u679c\u6211\u4eec\u62e5\u6709\u591a\u4e2a\u7ed8\u5236\u7ebf\u7a0b\uff0c\u5728\u7ebf\u7a0b\u5f00\u59cb\u8fd0\u4f5c\u524d\u90fd\u9700\u8981\u8c03\u7528MakeCurrent\uff0c\u4ee5\u4fbf\u6211\u4eec\u6e32\u67d3\u7684Context\u80fd\u591f\u4e0e\u539f\u751fWindow\u8fdb\u884c\u7ed1\u5b9a\u3002\u5728\u4e00\u822c\u7684\u5de5\u7a0b\u5b9e\u8df5\u4e2d\uff0c\u6211\u4eec\u90fd\u4f1a\u5c06\u4e0a\u8ff0\u6b65\u9aa4\u5c01\u88c5\u6210\u5de5\u5177\u7c7b\uff0c\u5728\u4f7f\u7528\u65f6\u76f4\u63a5\u8c03\u7528\u3002<\/p>\n\n\n\n
\u4f7f\u7528\u63a5\u53e3\uff1aEGLBoolean eglMakeCurrent(EGLDisplay display,EGLSurface draw,EGLSurface read,EGLContext context);<\/p>\n\n\n\n
 \u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n\n\n\n
\/\/ Activate our render target for drawing\nif (!eglMakeCurrent(mDisplay, mSurface, mSurface, mContext))\n{\n     ALOGE(\"Failed to make the OpenGL ES Context current:%s\", getEGLError());\n     return false;\n}\n<\/code><\/pre>\n\n\n\n
\u5230\u6b64\uff0cEGL\u7684\u521d\u59cb\u5316\u7b97\u662f\u5b8c\u6210\u4e86\uff0c\u63a5\u4e0b\u6765\u7684\u5de5\u4f5c\u5219\u662f\u5229\u7528OpenGL ES\u7684API\u6765\u5f00\u59cb\u771f\u6b63\u7684\u7ed8\u5236\u884c\u4e3a\u3002<\/p>\n\n\n\n
2.OpenGL\u7ed8\u5236<\/p>\n\n\n\n
\u5176\u5b9e\u6574\u4e2a\u7684\u7ed8\u5236\u8fc7\u7a0b\u4e5f\u662f\u6709\u4e00\u5b9a\u6d41\u7a0b\u89c4\u8303\u7684\uff0c\u8fd9\u91cc\u7ed9\u51fa\u6bd4\u8f83\u901a\u7528\u7684\u4e00\u4e2a\u6d41\u7a0b\uff1a\u4f7f\u75282D\u7eb9\u7406\u8fdb\u884c\u7ed8\u5236\u3002\u8fd9\u91cc\u7b80\u5355\u5c06\u5176\u5206\u4e3a\u4e09\u4e2a\u73af\u8282\uff1a\u521b\u5efa\u7740\u8272\u5668\u7a0b\u5e8f\u3001\u83b7\u53d6\u53ef\u79fb\u52a8\u7684Buffer\u88c5\u8f7d\u5143\u6570\u636e\uff08\u53ef\u9009\u7684\uff09\u3001\u7ed8\u5236\u4e0e\u63d0\u4ea4\u3002<\/strong><\/p>\n\n\n\n
\u7b2c\u4e00\u6b65\uff1a\u521b\u5efa\u7740\u8272\u5668\u7a0b\u5e8fshaderProgram\uff0c\u7740\u8272\u5668\u662f\u4f5c\u7528\u4e8e\u6e32\u67d3Pipeline\u4e2d\u5177\u6709\u7279\u5b9a\u4f5c\u7528\u7684\u4e00\u6bb5\u7a0b\u5e8f\uff0c\u4f7f\u7528GLSL\uff08OpenGL Shading Language\uff09\u8fdb\u884c\u7f16\u7801\uff0c\u4e00\u822c\u6211\u4eec\u9700\u8981\u8bbe\u5b9a\u4e24\u79cd\u7c7b\u578b\u7684Shader\uff1a\u9876\u70b9\u7740\u8272\u5668shader\u4e0e\u7247\u6bb5\u7740\u8272\u5668shader\uff0c\u8c03\u7528OpenGL\u63a5\u53e3\u6765\u521b\u5efa\u7740\u8272\u5668\u7a0b\u5e8f,\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n\n\n\n
\u52a0\u8f7dshader<\/strong>\uff1a<\/p>\n\n\n\n
\/\/ Given shader source, load and compile it\nstatic GLuint loadShader(GLenum type, const char* shaderSrc, const char* name)\n{\n    \/\/ Create the shader object\n    GLuint shader = glCreateShader(type);\n    if (shader == 0)\n    {\n        return 0;\n    }\n\n    \/\/ Load and compile the shader\n    glShaderSource(shader, 1, &shaderSrc, nullptr);\n    glCompileShader(shader);\n\n    \/\/ Verify the compilation worked as expected\n    GLint compiled = 0;\n    glGetShaderiv(shader, GL_COMPILE_STATUS, &compiled);\n    if (!compiled)\n    {\n        ALOGI(\"Error compiling %s shader for %s\", (type == GL_VERTEX_SHADER) ? \"vtx\" : \"pxl\", name);\n\n        GLint size = 0;\n        glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &size);\n        if (size > 0)\n        {\n            \/\/ Get and report the error message\n            std::unique_ptr<char> infoLog(new char[size]);\n            glGetShaderInfoLog(shader, size, NULL, infoLog.get());\n            ALOGI(\"msg:%s\", infoLog.get());\n        }\n\n        glDeleteShader(shader);\n        return 0;\n    }\n\n    return shader;\n}<\/code><\/pre>\n\n\n\n
\u94fe\u63a5\u5230\u7740\u8272\u5668<\/strong>\uff1a<\/p>\n\n\n\n
GLuint buildShaderProgram(const char* vtxSrc, const char* pxlSrc, const char* name)\n{\n    GLuint program = glCreateProgram();\n    if (program == 0)\n    {\n        LOGI(\"Failed to allocate program object\");\n        return 0;\n    }\n\n    \/\/ Compile the shaders and bind them to this program\n    GLuint vertexShader = loadShader(GL_VERTEX_SHADER, vtxSrc, name);\n    if (vertexShader == 0)\n    {\n        LOGI(\"Failed to load vertex shader\");\n        glDeleteProgram(program);\n        return 0;\n    }\n    GLuint pixelShader = loadShader(GL_FRAGMENT_SHADER, pxlSrc, name);\n    if (pixelShader == 0)\n    {\n        LOGI(\"Failed to load pixel shader\\n\");\n        glDeleteProgram(program);\n        glDeleteShader(vertexShader);\n        return 0;\n    }\n    glAttachShader(program, vertexShader);\n    glAttachShader(program, pixelShader);\n\n    \/\/ Link the program\n    glLinkProgram(program);\n    GLint linked = 0;\n    glGetProgramiv(program, GL_LINK_STATUS, &linked);\n    if (!linked)\n    {\n        LOGI(\"Error linking program\");\n        GLint size = 0;\n        glGetProgramiv(program, GL_INFO_LOG_LENGTH, &size);\n        if (size > 0)\n        {\n            \/\/ Get and report the error message\n            std::unique_ptr<char> infoLog(new char[size]);\n            glGetProgramInfoLog(program, size, NULL, infoLog.get());\n            LOGI(\"  msg:  %s\", infoLog.get());\n        }\n\n        glDeleteProgram(program);\n        glDeleteShader(vertexShader);\n        glDeleteShader(pixelShader);\n        return 0;\n    }\n    return program;\n}<\/code><\/pre>\n\n\n\n
\u7b2c\u4e8c\u6b65\uff1a\u8fd9\u4e00\u6b65\u662f\u53ef\u9009\u7684\uff0c\u53d6\u51b3\u4e8e\u6211\u4eec\u539f\u59cb\u6570\u636e\u7684\u7c7b\u578b\uff0c\u5982\u679c\u662f\u7c7b\u4f3c\u4e8eCamera\u6570\u636e\u7684\u6d41\u5f0f\u6570\u636e\uff08\u4f7f\u7528\u4e00\u5757\u513fBuffer\u627f\u8f7d\uff09\uff0c\u6211\u4eec\u901a\u5e38\u4f1a\u7533\u8bf7\u4e00\u7247GraphicBuffer\u6765\u4e0e\u4e4b\u7ed1\u5b9a\uff0c\u5c06\u5176\u8f6c\u6362\u4e3aEGLClientBuffer\uff0c\u540e\u901a\u8fc7eglCreateImageKHR\u63a5\u53e3\u8f6c\u6362\u4e3aEGLImage\uff0c\u65b9\u4fbf\u540e\u7eed\u64cd\u4f5c\uff08\u7ed1\u5b9a\u52302D\u7eb9\u7406\uff09\uff0c\u5982\u679c\u539f\u59cb\u6570\u636e\u4e3aPNG\u56fe\u7247\uff0c\u5219\u4e0d\u9700\u8981\u8fd9\u4e00\u6b65\uff0c\u53ef\u4ee5\u76f4\u63a5\u52a0\u8f7dPNG\u56fe\u7247\u5e76\u751f\u6210\u7eb9\u7406ID\u3002\u8fd9\u91cc\u7ed9\u51fa\u4f7f\u7528eglCreateImageKHR\u5c06buffer\u6570\u636e\u8f6c\u6362\u4e3a2D\u7eb9\u7406\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n\n\n\n
EGLint eglImageAttributes[] = { EGL_IMAGE_PRESERVED_KHR, EGL_TRUE, EGL_NONE };\n\/\/pGfxBuffer\u4e3aGraphic Buffer\nEGLClientBuffer clientBuf = static_cast<EGLClientBuffer>(pGfxBuffer->getNativeBuffer());\nmKHRimage = eglCreateImageKHR(mDisplay, EGL_NO_CONTEXT,\n                                  EGL_NATIVE_BUFFER_ANDROID, clientBuf,\n                                  eglImageAttributes);\nif (mKHRimage == EGL_NO_IMAGE_KHR)\n{\n   const char* msg = getEGLError();\n   LOGE(\"Error creating EGLImage:%s\", msg);\n}<\/code><\/pre>\n\n\n\n
\u9700\u8981\u8bf4\u660e\u7684\u662f\uff0c\u5982\u9700\u4f7f\u7528eglCreateImageKHR\u76f8\u5173\u63a5\u53e3\uff0c\u9700\u8981\u5f00\u542f\u76f8\u5173\u5b8f\u5b9a\u4e49\uff1a<\/p>\n\n\n\n
GL_GLEXT_PROTOTYPES\nEGL_EGLEXT_PROTOTYPES<\/code><\/pre>\n\n\n\n
\u5728\u4e0a\u8ff0\u6b65\u9aa4\u5b8c\u6210\u4e4b\u540e\uff0c\u5c31\u53ef\u4ee5\u5f00\u59cb\u771f\u6b63\u7684\u7ed8\u5236\u6d41\u7a0b\u3002<\/p>\n\n\n\n
\u7b2c\u4e00\u6b65\uff1a\u8bbe\u7f6e\u89c6\u7a97\u5165\u53e3\uff0c\u7528\u4e8e\u8bbe\u5b9a\u6211\u4eec\u663e\u793a\u7a97\u53e3\u7684\u7684\u5927\u5c0f\u3002\u89c6\u7a97\u5165\u53e3\u53ef\u4ee5\u51b3\u5b9a\u6211\u4eec\u6700\u7ec8\u663e\u793a\u7684\u56fe\u50cf\u7684\u753b\u5e45\u3002<\/p>\n\n\n\n
\u4f7f\u7528\u63a5\u53e3\uff1aglViewport(GLint x<\/var>,  GLint y, GLsizei width, GLsizei height,GLclampf alpha<\/var>);<\/p>\n\n\n\n
\u63a5\u53e3\u53c2\u6570\u4e2d\uff0c(x,y)\u662f\u5de6\u4e0b\u89d2\u8d77\u59cb\u9876\u70b9\u7684\u5750\u6807\uff0cwidth\u4e0eheight\u4ee3\u8868\u5bbd\u9ad8\u3002<\/p>\n\n\n\n
\u7b2c\u4e8c\u6b65\uff1a\u6e05\u9664\u989c\u8272\u7f13\u51b2\u533a\uff0c\u7528\u4e8e\u6e05\u5c4f\u3002<\/p>\n\n\n\n
\u4f7f\u7528\u63a5\u53e3\uff1avoid glClearColor<\/strong>(GLclampf red<\/var>,GLclampf green<\/var>,GLclampf blue,)<\/p>\n\n\n\n
\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n\n\n\n
glClearColor(0.1f, 0.5f, 0.1f, 1.0f);\nglClear(GL_COLOR_BUFFER_BIT);<\/code><\/pre>\n\n\n\n
\u7b2c\u4e09\u6b65\uff1a\u9009\u62e9\u5bf9\u5e94\u7eb9\u7406\u7684Shader program<\/p>\n\n\n\n
\u4f7f\u7528\u63a5\u53e3\uff1avoid glUseProgram(GLuint program<\/var>);<\/p>\n\n\n\n
\u7b2c\u56db\u6b65\uff1a\u5c06Shader Program\u7ed1\u5b9a\u5230\u7eb9\u7406\u4e0a\uff08\u5185\u90e8\u4f1a\u8fdb\u884c\u91c7\u6837\uff09<\/p>\n\n\n\n
\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n\n\n\n
glActiveTexture(GL_TEXTURE0);\nglBindTexture(GL_TEXTURE_2D, mTextureMap);\nGLint sampler = glGetUniformLocation(mShaderProgram, \"tex\");\nglUniform1i(sampler, 0);<\/code><\/pre>\n\n\n\n
\u7b2c\u4e94\u6b65\uff1a\u8bbe\u5b9a\u989c\u8272\u77e9\u9635\u4e0e\u9876\u70b9\u77e9\u9635\u3002\u8fd9\u4e00\u6b65\u6ca1\u6709API\u8c03\u7528\uff0c\u53ea\u662f\u6839\u636e\u9700\u8981\u8bbe\u5b9a\u77e9\u9635\u53c2\u6570\u5373\u53ef\u3002<\/p>\n\n\n\n
\u7b2c\u516d\u6b65\uff1a\u7ed8\u5236\u6240\u6709\u7684\u4e8c\u4f4d\u77e9\u9635\uff0c\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n\n\n\n
\/\/vertsPos\u4e0evertsTex\nglVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, vertsPos);\nglVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 0, vertsTex);\nglEnableVertexAttribArray(0);\nglEnableVertexAttribArray(1);\nglDrawArrays(GL_TRIANGLE_STRIP, 0, 4);\n\/\/ Clean up and flip the rendered result to the front so it is visible\nglDisableVertexAttribArray(0);\nglDisableVertexAttribArray(1);<\/code><\/pre>\n\n\n\n
\u7b2c\u4e03\u6b65\uff1a\u63d0\u4ea4\u6240\u6709\u7684OpenGL\u6307\u4ee4\uff0c\u4ea4\u7531GPU\u6267\u884c\uff0c\u6267\u884c\u5b8c\u6210\u540e\u8fd4\u56de\u3002\u4e0e\u8be5\u51fd\u6570\u6bd4\u8f83\u7c7b\u4f3c\u7684\u662fglFlush\uff0c\u4e0d\u8fc7glFlush\u662f\u5f02\u6b65\u7684\u3001\u975e\u963b\u585e\u5f0f\u7684\u3002<\/p>\n\n\n\n
\u4f7f\u7528\u63a5\u53e3\uff1avoid glFinish(void)<\/p>\n\n\n\n
\u7b2c\u516b\u6b65\uff1a\u9001\u663e\uff0c\u5728\u7ed8\u5236\u5b8c\u6210\u540e\uff0c\u8c03\u7528egl\u63a5\u53e3\u6765\u5b8c\u6210Framebuffer\u7684\u4ea4\u6362\uff0c\u4ece\u800c\u9001\u663e\u3002<\/p>\n\n\n\n
\u4f7f\u7528\u63a5\u53e3\uff1aEGLBoolean eglSwapBuffers(EGLDisplay dpy, EGLContext ctx)<\/p>\n\n\n\n
\u4ee5\u4e0a\u5c31\u662f\u4f7f\u75282D\u7eb9\u7406\u8fdb\u884c\u7ed8\u5236\u7684\u8fc7\u7a0b\u4e86\u3002\u5728\u6211\u4eec\u5b9e\u9645\u4f7f\u7528\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u4e0d\u65ad\u66f4\u65b0\u6211\u4eec\u7684\u7eb9\u7406\uff0c\u4e00\u822c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7PNG\u56fe\u7247\u6216\u8005\u76f4\u63a5\u5c06YUV\u539f\u59cb\u6570\u636e\u8f6c\u6362\u4e3a\u7eb9\u7406\uff0c\u901a\u8fc7\u4e0d\u65ad\u66f4\u65b0\u7eb9\u7406\u8fbe\u6210\u66f4\u65b0\u753b\u9762\u5185\u5bb9\u7684\u76ee\u7684\u3002<\/p>\n\n\n\n
<\/p>\n        
\n            
\n                \n                
\n                    \n                        \"Happy\"\n                    <\/a>\n                    
\n                        Happy                    <\/div>\n                    
\n                                                    4<\/span>\n                        \n                                                100<\/span> %<\/span>\n                                            <\/div>\n                <\/div>\n\n                
\n                    \n                        \"Sad\"\n                    <\/a>\n                    
\n                        Sad                    <\/div>\n                    
\n                                                    0<\/span>\n                                                                        0<\/span> %<\/span>\n                                            <\/div>\n                <\/div>\n\n                
\n                    \n                        \"Excited\"\n                    <\/a>\n                    
\n                        Excited                    <\/div>\n                    
\n                                                    0<\/span>\n                                                                        0<\/span> %<\/span>\n                                            <\/div>\n                <\/div>\n\n                
\n                    \n                        \"Sleepy\"\n                    <\/a>\n                    
\n                        Sleepy                    <\/div>\n                    
\n                                                    0<\/span>\n                        \n                                                0<\/span> %<\/span>\n                                            <\/div>\n                <\/div>\n\n                
\n                    \n                        \"Angry\"\n                    <\/a>\n                    
Angry<\/div>\n                    
\n                                                    0<\/span>\n                                                                        0<\/span> %<\/span>\n                        \n                    <\/div>\n                <\/div>\n\n                
\n                    \n                        \"Surprise\"\n                    <\/a>\n                    
Surprise<\/div>\n                    
\n                                                    0<\/span>\n                                                                        0<\/span> %<\/span>\n                                            <\/div>\n                <\/div>\n\n            <\/div>\n        <\/div>","protected":false},"excerpt":{"rendered":"
Android Native\u4e2d\u4f7f\u7528OpenGL ES\u5b9e\u73b0\u57fa\u672c\u76842D\u7ed8\u5236\u3002<\/p>","protected":false},"author":1,"featured_media":3777,"comment_status":"open","ping_status":"open","sticky":true,"template":"","format":"standard","meta":{"_editorskit_title_hidden":false,"_editorskit_reading_time":2,"_editorskit_is_block_options_detached":false,"_editorskit_block_options_position":"{}","om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[18],"tags":[46,21],"class_list":["post-4253","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-operating-system","tag-android","tag-c-2"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[]}},"aioseo_notices":[],"featured_image_urls":{"full":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2022\/02\/android.jpg",512,269,false],"thumbnail":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2022\/02\/android-150x150.jpg",150,150,true],"medium":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2022\/02\/android-300x158.jpg",300,158,true],"medium_large":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2022\/02\/android.jpg",512,269,false],"large":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2022\/02\/android.jpg",512,269,false],"1536x1536":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2022\/02\/android.jpg",512,269,false],"2048x2048":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2022\/02\/android.jpg",512,269,false],"trp-custom-language-flag":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2022\/02\/android-18x9.jpg",18,9,true]},"post_excerpt_stackable":"
Android Native\u4e2d\u4f7f\u7528OpenGL ES\u5b9e\u73b0\u57fa\u672c\u76842D\u7ed8\u5236\u3002<\/p>\n","category_list":"\u64cd\u4f5c\u7cfb\u7edf<\/a>","author_info":{"name":"FranzKafka95","url":"https:\/\/blog.coderfan.org\/en\/author\/yushenglonely95"},"comments_num":"0 comments","featured_image_urls_v2":{"full":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2022\/02\/android.jpg",512,269,false],"thumbnail":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2022\/02\/android-150x150.jpg",150,150,true],"medium":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2022\/02\/android-300x158.jpg",300,158,true],"medium_large":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2022\/02\/android.jpg",512,269,false],"large":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2022\/02\/android.jpg",512,269,false],"1536x1536":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2022\/02\/android.jpg",512,269,false],"2048x2048":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2022\/02\/android.jpg",512,269,false],"trp-custom-language-flag":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2022\/02\/android-18x9.jpg",18,9,true]},"post_excerpt_stackable_v2":"
Android Native\u4e2d\u4f7f\u7528OpenGL ES\u5b9e\u73b0\u57fa\u672c\u76842D\u7ed8\u5236\u3002<\/p>\n","category_list_v2":"\u64cd\u4f5c\u7cfb\u7edf<\/a>","author_info_v2":{"name":"FranzKafka95","url":"https:\/\/blog.coderfan.org\/en\/author\/yushenglonely95"},"comments_num_v2":"0 comments","_links":{"self":[{"href":"https:\/\/blog.coderfan.org\/en\/wp-json\/wp\/v2\/posts\/4253","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.coderfan.org\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.coderfan.org\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.coderfan.org\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.coderfan.org\/en\/wp-json\/wp\/v2\/comments?post=4253"}],"version-history":[{"count":39,"href":"https:\/\/blog.coderfan.org\/en\/wp-json\/wp\/v2\/posts\/4253\/revisions"}],"predecessor-version":[{"id":4815,"href":"https:\/\/blog.coderfan.org\/en\/wp-json\/wp\/v2\/posts\/4253\/revisions\/4815"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.coderfan.org\/en\/wp-json\/wp\/v2\/media\/3777"}],"wp:attachment":[{"href":"https:\/\/blog.coderfan.org\/en\/wp-json\/wp\/v2\/media?parent=4253"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.coderfan.org\/en\/wp-json\/wp\/v2\/categories?post=4253"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.coderfan.org\/en\/wp-json\/wp\/v2\/tags?post=4253"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}