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 <GLES2/gl2.h>
25 #include <GLES2/gl2ext.h>
26
27 #include <utils/Timers.h>
28
29 #include <WindowSurface.h>
30 #include <EGLUtils.h>
31
32 using namespace android;
33
34
checkEglError(const char * op,EGLBoolean returnVal=EGL_TRUE)35 static void checkEglError(const char* op, EGLBoolean returnVal = EGL_TRUE) {
36 if (returnVal != EGL_TRUE) {
37 fprintf(stderr, "%s() returned %d\n", op, returnVal);
38 }
39
40 for (EGLint error = eglGetError(); error != EGL_SUCCESS; error
41 = eglGetError()) {
42 fprintf(stderr, "after %s() eglError %s (0x%x)\n", op, EGLUtils::strerror(error),
43 error);
44 }
45 }
46
checkGlError(const char * op)47 static void checkGlError(const char* op) {
48 for (GLint error = glGetError(); error; error
49 = glGetError()) {
50 fprintf(stderr, "after %s() glError (0x%x)\n", op, error);
51 }
52 }
53
54 bool doTest(uint32_t w, uint32_t h);
55
56 static EGLDisplay dpy;
57 static EGLSurface surface;
58
main(int argc,char ** argv)59 int main(int argc, char** argv) {
60 EGLBoolean returnValue;
61 EGLConfig myConfig = {0};
62
63 EGLint context_attribs[] = { EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE };
64 EGLint s_configAttribs[] = {
65 EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
66 EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
67 EGL_NONE };
68 EGLint majorVersion;
69 EGLint minorVersion;
70 EGLContext context;
71 EGLint w, h;
72
73
74 checkEglError("<init>");
75 dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY);
76 checkEglError("eglGetDisplay");
77 if (dpy == EGL_NO_DISPLAY) {
78 printf("eglGetDisplay returned EGL_NO_DISPLAY.\n");
79 return 0;
80 }
81
82 returnValue = eglInitialize(dpy, &majorVersion, &minorVersion);
83 checkEglError("eglInitialize", returnValue);
84 if (returnValue != EGL_TRUE) {
85 printf("eglInitialize failed\n");
86 return 0;
87 }
88
89 WindowSurface windowSurface;
90 EGLNativeWindowType window = windowSurface.getSurface();
91 returnValue = EGLUtils::selectConfigForNativeWindow(dpy, s_configAttribs, window, &myConfig);
92 if (returnValue) {
93 printf("EGLUtils::selectConfigForNativeWindow() returned %d", returnValue);
94 return 0;
95 }
96
97 checkEglError("EGLUtils::selectConfigForNativeWindow");
98
99 surface = eglCreateWindowSurface(dpy, myConfig, window, NULL);
100 checkEglError("eglCreateWindowSurface");
101 if (surface == EGL_NO_SURFACE) {
102 printf("gelCreateWindowSurface failed.\n");
103 return 0;
104 }
105
106 context = eglCreateContext(dpy, myConfig, EGL_NO_CONTEXT, context_attribs);
107 checkEglError("eglCreateContext");
108 if (context == EGL_NO_CONTEXT) {
109 printf("eglCreateContext failed\n");
110 return 0;
111 }
112 returnValue = eglMakeCurrent(dpy, surface, surface, context);
113 checkEglError("eglMakeCurrent", returnValue);
114 if (returnValue != EGL_TRUE) {
115 return 0;
116 }
117 eglQuerySurface(dpy, surface, EGL_WIDTH, &w);
118 checkEglError("eglQuerySurface");
119 eglQuerySurface(dpy, surface, EGL_HEIGHT, &h);
120 checkEglError("eglQuerySurface");
121 GLint dim = w < h ? w : h;
122
123 glViewport(0, 0, w, h);
124
125 for (;;) {
126 doTest(w, h);
127 eglSwapBuffers(dpy, surface);
128 checkEglError("eglSwapBuffers");
129 }
130
131 return 0;
132 }
133
ptSwap()134 void ptSwap() {
135 eglSwapBuffers(dpy, surface);
136 }
137
138