1 /* 2 ** 3 ** Copyright 2006, The Android Open Source Project 4 ** 5 ** Licensed under the Apache License, Version 2.0 (the "License"); 6 ** you may not use this file except in compliance with the License. 7 ** You may obtain a copy of the License at 8 ** 9 ** http://www.apache.org/licenses/LICENSE-2.0 10 ** 11 ** Unless required by applicable law or agreed to in writing, software 12 ** distributed under the License is distributed on an "AS IS" BASIS, 13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 ** See the License for the specific language governing permissions and 15 ** limitations under the License. 16 */ 17 18 #include <stdlib.h> 19 #include <stdio.h> 20 21 #include <EGL/egl.h> 22 #include <GLES/gl.h> 23 #include <GLES/glext.h> 24 25 #include <utils/StopWatch.h> 26 #include <ui/FramebufferNativeWindow.h> 27 #include <ui/EGLUtils.h> 28 29 using namespace android; 30 31 int main(int argc, char** argv) 32 { 33 EGLint configAttribs[] = { 34 EGL_SURFACE_TYPE, EGL_WINDOW_BIT, 35 EGL_NONE 36 }; 37 38 EGLint majorVersion; 39 EGLint minorVersion; 40 EGLContext context; 41 EGLConfig config; 42 EGLint numConfigs=0; 43 EGLSurface surface; 44 EGLint w, h; 45 EGLDisplay dpy; 46 47 48 EGLNativeWindowType window = android_createDisplaySurface(); 49 50 dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY); 51 eglInitialize(dpy, 0 ,0) ;//&majorVersion, &minorVersion); 52 eglGetConfigs(dpy, NULL, 0, &numConfigs); 53 printf("# configs = %d\n", numConfigs); 54 55 status_t err = EGLUtils::selectConfigForNativeWindow( 56 dpy, configAttribs, window, &config); 57 if (err) { 58 fprintf(stderr, "couldn't find an EGLConfig matching the screen format\n"); 59 return 0; 60 } 61 62 EGLint r,g,b,a; 63 eglGetConfigAttrib(dpy, config, EGL_RED_SIZE, &r); 64 eglGetConfigAttrib(dpy, config, EGL_GREEN_SIZE, &g); 65 eglGetConfigAttrib(dpy, config, EGL_BLUE_SIZE, &b); 66 eglGetConfigAttrib(dpy, config, EGL_ALPHA_SIZE, &a); 67 68 surface = eglCreateWindowSurface(dpy, config, window, NULL); 69 if (surface == EGL_NO_SURFACE) { 70 EGLint err = eglGetError(); 71 fprintf(stderr, "%s, config=%p, format = %d-%d-%d-%d\n", 72 EGLUtils::strerror(err), config, r,g,b,a); 73 return 0; 74 } else { 75 printf("config=%p, format = %d-%d-%d-%d\n", config, r,g,b,a); 76 } 77 78 context = eglCreateContext(dpy, config, NULL, NULL); 79 eglMakeCurrent(dpy, surface, surface, context); 80 eglQuerySurface(dpy, surface, EGL_WIDTH, &w); 81 eglQuerySurface(dpy, surface, EGL_HEIGHT, &h); 82 83 printf("w=%d, h=%d\n", w, h); 84 85 glDisable(GL_DITHER); 86 glEnable(GL_BLEND); 87 88 glViewport(0, 0, w, h); 89 glOrthof(0, w, 0, h, 0, 1); 90 91 eglSwapInterval(dpy, 1); 92 93 glClearColor(1,0,0,0); 94 glClear(GL_COLOR_BUFFER_BIT); 95 eglSwapBuffers(dpy, surface); 96 97 98 int time = 10; 99 printf("screen should flash red/green quickly for %d s...\n", time); 100 101 int c = 0; 102 nsecs_t start = systemTime(); 103 nsecs_t t; 104 do { 105 glClearColor(1,0,0,0); 106 glClear(GL_COLOR_BUFFER_BIT); 107 eglSwapBuffers(dpy, surface); 108 glClearColor(0,1,0,0); 109 glClear(GL_COLOR_BUFFER_BIT); 110 eglSwapBuffers(dpy, surface); 111 t = systemTime() - start; 112 c += 2; 113 } while (int(ns2s(t))<=time); 114 115 double p = (double(t) / c) / 1000000000.0; 116 printf("refresh-rate is %f fps (%f ms)\n", 1.0f/p, p*1000.0); 117 118 eglTerminate(dpy); 119 120 return 0; 121 } 122
