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
32using namespace android;
33
34int 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     GLint dim = w<h ? 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     glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
73     glEnable(GL_TEXTURE_2D);
74     glColor4f(1,1,1,1);
75     glDisable(GL_DITHER);
76     glShadeModel(GL_FLAT);
77
78     long long now, t;
79     int i;
80
81     char* texels = (char*)malloc(512*512*2);
82     memset(texels,0xFF,512*512*2);
83
84     glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB,
85             512, 512, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, texels);
86
87     char* dst = (char*)malloc(320*480*2);
88     memset(dst, 0, 320*480*2);
89     printf("307200 bytes memcpy\n");
90     for (i=0 ; i<4 ; i++) {
91         now = systemTime();
92         memcpy(dst, texels, 320*480*2);
93         t = systemTime();
94         printf("memcpy() time = %llu us\n", (t-now)/1000);
95         fflush(stdout);
96     }
97     free(dst);
98
99     free(texels);
100
101     setpriority(PRIO_PROCESS, 0, -20);
102
103     printf("512x512 unmodified texture, 512x512 blit:\n");
104     glClear(GL_COLOR_BUFFER_BIT);
105     for (i=0 ; i<4 ; i++) {
106         GLint crop[4] = { 0, 512, 512, -512 };
107         glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop);
108         now = systemTime();
109         glDrawTexiOES(0, 0, 0, 512, 512);
110         glFinish();
111         t = systemTime();
112         printf("glFinish() time = %llu us\n", (t-now)/1000);
113         fflush(stdout);
114         eglSwapBuffers(dpy, surface);
115     }
116
117     printf("512x512 unmodified texture, 1x1 blit:\n");
118     glClear(GL_COLOR_BUFFER_BIT);
119     for (i=0 ; i<4 ; i++) {
120         GLint crop[4] = { 0, 1, 1, -1 };
121         glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop);
122         now = systemTime();
123         glDrawTexiOES(0, 0, 0, 1, 1);
124         glFinish();
125         t = systemTime();
126         printf("glFinish() time = %llu us\n", (t-now)/1000);
127         fflush(stdout);
128         eglSwapBuffers(dpy, surface);
129     }
130
131     printf("512x512 unmodified texture, 512x512 blit (x2):\n");
132     glClear(GL_COLOR_BUFFER_BIT);
133     for (i=0 ; i<4 ; i++) {
134         GLint crop[4] = { 0, 512, 512, -512 };
135         glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop);
136         now = systemTime();
137         glDrawTexiOES(0, 0, 0, 512, 512);
138         glDrawTexiOES(0, 0, 0, 512, 512);
139         glFinish();
140         t = systemTime();
141         printf("glFinish() time = %llu us\n", (t-now)/1000);
142         fflush(stdout);
143         eglSwapBuffers(dpy, surface);
144     }
145
146     printf("512x512 unmodified texture, 1x1 blit (x2):\n");
147     glClear(GL_COLOR_BUFFER_BIT);
148     for (i=0 ; i<4 ; i++) {
149         GLint crop[4] = { 0, 1, 1, -1 };
150         glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop);
151         now = systemTime();
152         glDrawTexiOES(0, 0, 0, 1, 1);
153         glDrawTexiOES(0, 0, 0, 1, 1);
154         glFinish();
155         t = systemTime();
156         printf("glFinish() time = %llu us\n", (t-now)/1000);
157         fflush(stdout);
158         eglSwapBuffers(dpy, surface);
159     }
160
161
162     printf("512x512 (1x1 texel MODIFIED texture), 512x512 blit:\n");
163     glClear(GL_COLOR_BUFFER_BIT);
164     for (i=0 ; i<4 ; i++) {
165         uint16_t green = 0x7E0;
166         GLint crop[4] = { 0, 512, 512, -512 };
167         glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop);
168         glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 1, 1, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, &green);
169         now = systemTime();
170         glDrawTexiOES(0, 0, 0, 512, 512);
171         glFinish();
172         t = systemTime();
173         printf("glFinish() time = %llu us\n", (t-now)/1000);
174         fflush(stdout);
175         eglSwapBuffers(dpy, surface);
176     }
177
178
179     int16_t texel = 0xF800;
180     glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB,
181             1, 1, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, &texel);
182
183     printf("1x1 unmodified texture, 1x1 blit:\n");
184     glClear(GL_COLOR_BUFFER_BIT);
185     for (i=0 ; i<4 ; i++) {
186         GLint crop[4] = { 0, 1, 1, -1 };
187         glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop);
188         now = systemTime();
189         glDrawTexiOES(0, 0, 0, 1, 1);
190         glFinish();
191         t = systemTime();
192         printf("glFinish() time = %llu us\n", (t-now)/1000);
193         eglSwapBuffers(dpy, surface);
194     }
195
196     printf("1x1 unmodified texture, 512x512 blit:\n");
197     glClear(GL_COLOR_BUFFER_BIT);
198     for (i=0 ; i<4 ; i++) {
199         GLint crop[4] = { 0, 1, 1, -1 };
200         glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop);
201         now = systemTime();
202         glDrawTexiOES(0, 0, 0, 512, 512);
203         glFinish();
204         t = systemTime();
205         printf("glFinish() time = %llu us\n", (t-now)/1000);
206         fflush(stdout);
207         eglSwapBuffers(dpy, surface);
208     }
209
210     printf("1x1 (1x1 texel MODIFIED texture), 512x512 blit:\n");
211     glClear(GL_COLOR_BUFFER_BIT);
212     for (i=0 ; i<4 ; i++) {
213         uint16_t green = 0x7E0;
214         GLint crop[4] = { 0, 1, 1, -1 };
215         glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop);
216         glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 1, 1, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, &green);
217         now = systemTime();
218         glDrawTexiOES(0, 0, 0, 1, 1);
219         glFinish();
220         t = systemTime();
221         printf("glFinish() time = %llu us\n", (t-now)/1000);
222         fflush(stdout);
223         eglSwapBuffers(dpy, surface);
224     }
225
226     return 0;
227}
228