1 /* 2 * Copyright (C) 2007 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include <stdlib.h> 18 #include <stdio.h> 19 #include <time.h> 20 #include <sched.h> 21 #include <sys/resource.h> 22 23 #include <EGL/egl.h> 24 #include <GLES/gl.h> 25 #include <GLES/glext.h> 26 27 #include <utils/Timers.h> 28 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 GLint dim = w<h ? w : h; 67 68 glBindTexture(GL_TEXTURE_2D, 0); 69 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); 70 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); 71 glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); 72 glEnable(GL_TEXTURE_2D); 73 glColor4f(1,1,1,1); 74 glDisable(GL_DITHER); 75 glShadeModel(GL_FLAT); 76 77 long long now, t; 78 int i; 79 80 char* texels = (char*)malloc(512*512*2); 81 memset(texels,0xFF,512*512*2); 82 83 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 84 512, 512, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, texels); 85 86 char* dst = (char*)malloc(320*480*2); 87 memset(dst, 0, 320*480*2); 88 printf("307200 bytes memcpy\n"); 89 for (i=0 ; i<4 ; i++) { 90 now = systemTime(); 91 memcpy(dst, texels, 320*480*2); 92 t = systemTime(); 93 printf("memcpy() time = %llu us\n", (t-now)/1000); 94 fflush(stdout); 95 } 96 free(dst); 97 98 free(texels); 99 100 setpriority(PRIO_PROCESS, 0, -20); 101 102 printf("512x512 unmodified texture, 512x512 blit:\n"); 103 glClear(GL_COLOR_BUFFER_BIT); 104 for (i=0 ; i<4 ; i++) { 105 GLint crop[4] = { 0, 512, 512, -512 }; 106 glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop); 107 now = systemTime(); 108 glDrawTexiOES(0, 0, 0, 512, 512); 109 glFinish(); 110 t = systemTime(); 111 printf("glFinish() time = %llu us\n", (t-now)/1000); 112 fflush(stdout); 113 eglSwapBuffers(dpy, surface); 114 } 115 116 printf("512x512 unmodified texture, 1x1 blit:\n"); 117 glClear(GL_COLOR_BUFFER_BIT); 118 for (i=0 ; i<4 ; i++) { 119 GLint crop[4] = { 0, 1, 1, -1 }; 120 glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop); 121 now = systemTime(); 122 glDrawTexiOES(0, 0, 0, 1, 1); 123 glFinish(); 124 t = systemTime(); 125 printf("glFinish() time = %llu us\n", (t-now)/1000); 126 fflush(stdout); 127 eglSwapBuffers(dpy, surface); 128 } 129 130 printf("512x512 unmodified texture, 512x512 blit (x2):\n"); 131 glClear(GL_COLOR_BUFFER_BIT); 132 for (i=0 ; i<4 ; i++) { 133 GLint crop[4] = { 0, 512, 512, -512 }; 134 glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop); 135 now = systemTime(); 136 glDrawTexiOES(0, 0, 0, 512, 512); 137 glDrawTexiOES(0, 0, 0, 512, 512); 138 glFinish(); 139 t = systemTime(); 140 printf("glFinish() time = %llu us\n", (t-now)/1000); 141 fflush(stdout); 142 eglSwapBuffers(dpy, surface); 143 } 144 145 printf("512x512 unmodified texture, 1x1 blit (x2):\n"); 146 glClear(GL_COLOR_BUFFER_BIT); 147 for (i=0 ; i<4 ; i++) { 148 GLint crop[4] = { 0, 1, 1, -1 }; 149 glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop); 150 now = systemTime(); 151 glDrawTexiOES(0, 0, 0, 1, 1); 152 glDrawTexiOES(0, 0, 0, 1, 1); 153 glFinish(); 154 t = systemTime(); 155 printf("glFinish() time = %llu us\n", (t-now)/1000); 156 fflush(stdout); 157 eglSwapBuffers(dpy, surface); 158 } 159 160 161 printf("512x512 (1x1 texel MODIFIED texture), 512x512 blit:\n"); 162 glClear(GL_COLOR_BUFFER_BIT); 163 for (i=0 ; i<4 ; i++) { 164 uint16_t green = 0x7E0; 165 GLint crop[4] = { 0, 512, 512, -512 }; 166 glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop); 167 glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 1, 1, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, &green); 168 now = systemTime(); 169 glDrawTexiOES(0, 0, 0, 512, 512); 170 glFinish(); 171 t = systemTime(); 172 printf("glFinish() time = %llu us\n", (t-now)/1000); 173 fflush(stdout); 174 eglSwapBuffers(dpy, surface); 175 } 176 177 178 int16_t texel = 0xF800; 179 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 180 1, 1, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, &texel); 181 182 printf("1x1 unmodified texture, 1x1 blit:\n"); 183 glClear(GL_COLOR_BUFFER_BIT); 184 for (i=0 ; i<4 ; i++) { 185 GLint crop[4] = { 0, 1, 1, -1 }; 186 glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop); 187 now = systemTime(); 188 glDrawTexiOES(0, 0, 0, 1, 1); 189 glFinish(); 190 t = systemTime(); 191 printf("glFinish() time = %llu us\n", (t-now)/1000); 192 eglSwapBuffers(dpy, surface); 193 } 194 195 printf("1x1 unmodified texture, 512x512 blit:\n"); 196 glClear(GL_COLOR_BUFFER_BIT); 197 for (i=0 ; i<4 ; i++) { 198 GLint crop[4] = { 0, 1, 1, -1 }; 199 glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop); 200 now = systemTime(); 201 glDrawTexiOES(0, 0, 0, 512, 512); 202 glFinish(); 203 t = systemTime(); 204 printf("glFinish() time = %llu us\n", (t-now)/1000); 205 fflush(stdout); 206 eglSwapBuffers(dpy, surface); 207 } 208 209 printf("1x1 (1x1 texel MODIFIED texture), 512x512 blit:\n"); 210 glClear(GL_COLOR_BUFFER_BIT); 211 for (i=0 ; i<4 ; i++) { 212 uint16_t green = 0x7E0; 213 GLint crop[4] = { 0, 1, 1, -1 }; 214 glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop); 215 glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 1, 1, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, &green); 216 now = systemTime(); 217 glDrawTexiOES(0, 0, 0, 1, 1); 218 glFinish(); 219 t = systemTime(); 220 printf("glFinish() time = %llu us\n", (t-now)/1000); 221 fflush(stdout); 222 eglSwapBuffers(dpy, surface); 223 } 224 225 return 0; 226 } 227
