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 #define LOG_TAG "fillrate" 19 20 #include <unistd.h> 21 #include <stdlib.h> 22 #include <stdio.h> 23 24 #include <EGL/egl.h> 25 #include <GLES/gl.h> 26 #include <GLES/glext.h> 27 28 #include <utils/StopWatch.h> 29 #include <ui/FramebufferNativeWindow.h> 30 #include "EGLUtils.h" 31 32 using namespace android; 33 34 int main(int argc, char** argv) 35 { 36 EGLint configAttribs[] = { 37 EGL_DEPTH_SIZE, 0, 38 EGL_NONE 39 }; 40 41 EGLint majorVersion; 42 EGLint minorVersion; 43 EGLContext context; 44 EGLConfig config; 45 EGLSurface surface; 46 EGLint w, h; 47 EGLDisplay dpy; 48 49 EGLNativeWindowType window = android_createDisplaySurface(); 50 51 dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY); 52 eglInitialize(dpy, &majorVersion, &minorVersion); 53 54 status_t err = EGLUtils::selectConfigForNativeWindow( 55 dpy, configAttribs, window, &config); 56 if (err) { 57 fprintf(stderr, "couldn't find an EGLConfig matching the screen format\n"); 58 return 0; 59 } 60 61 surface = eglCreateWindowSurface(dpy, config, window, NULL); 62 context = eglCreateContext(dpy, config, NULL, NULL); 63 eglMakeCurrent(dpy, surface, surface, context); 64 eglQuerySurface(dpy, surface, EGL_WIDTH, &w); 65 eglQuerySurface(dpy, surface, EGL_HEIGHT, &h); 66 67 printf("w=%d, h=%d\n", w, h); 68 69 glBindTexture(GL_TEXTURE_2D, 0); 70 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); 71 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); 72 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); 73 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); 74 glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); 75 glDisable(GL_DITHER); 76 glDisable(GL_BLEND); 77 glEnable(GL_TEXTURE_2D); 78 glColor4f(1,1,1,1); 79 80 81 // default pack-alignment is 4 82 const uint16_t t16[64] = { 0xFFFF, 0, 0xF800, 0, 0x07E0, 0, 0x001F, 0 }; 83 84 const GLfloat vertices[4][2] = { 85 { w/2, 0 }, 86 { w/2, h } 87 }; 88 89 const GLfloat texCoords[4][2] = { 90 { 0, 0 }, 91 { 1, 1 } 92 }; 93 94 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 1, 4, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, t16); 95 96 glViewport(0, 0, w, h); 97 glMatrixMode(GL_PROJECTION); 98 glLoadIdentity(); 99 glOrthof(0, w, 0, h, 0, 1); 100 101 glEnableClientState(GL_VERTEX_ARRAY); 102 glEnableClientState(GL_TEXTURE_COORD_ARRAY); 103 glVertexPointer(2, GL_FLOAT, 0, vertices); 104 glTexCoordPointer(2, GL_FLOAT, 0, texCoords); 105 106 glClearColor(0,0,0,0); 107 glClear(GL_COLOR_BUFFER_BIT); 108 glDrawArrays(GL_LINES, 0, 2); 109 eglSwapBuffers(dpy, surface); 110 111 usleep(5*1000000); 112 113 eglTerminate(dpy); 114 115 return 0; 116 } 117
