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
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     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