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 <WindowSurface.h>
30 #include <EGLUtils.h>
31
32 using namespace android;
33
main(int,char **)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 WindowSurface windowSurface;
50 EGLNativeWindowType window = windowSurface.getSurface();
51
52 dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY);
53 eglInitialize(dpy, &majorVersion, &minorVersion);
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 surface = eglCreateWindowSurface(dpy, config, window, NULL);
63 context = eglCreateContext(dpy, config, NULL, NULL);
64 eglMakeCurrent(dpy, surface, surface, context);
65 eglQuerySurface(dpy, surface, EGL_WIDTH, &w);
66 eglQuerySurface(dpy, surface, EGL_HEIGHT, &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