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
47 bool doTest(uint32_t w, uint32_t h);
48
49 static EGLDisplay dpy;
50 static EGLSurface surface;
51
main(int,char **)52 int main(int /*argc*/, char** /*argv*/) {
53 EGLBoolean returnValue;
54 EGLConfig myConfig = {0};
55
56 EGLint context_attribs[] = { EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE };
57 EGLint s_configAttribs[] = {
58 EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
59 EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
60 EGL_NONE };
61 EGLint majorVersion;
62 EGLint minorVersion;
63 EGLContext context;
64 EGLint w, h;
65
66
67 checkEglError("<init>");
68 dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY);
69 checkEglError("eglGetDisplay");
70 if (dpy == EGL_NO_DISPLAY) {
71 printf("eglGetDisplay returned EGL_NO_DISPLAY.\n");
72 return 0;
73 }
74
75 returnValue = eglInitialize(dpy, &majorVersion, &minorVersion);
76 checkEglError("eglInitialize", returnValue);
77 if (returnValue != EGL_TRUE) {
78 printf("eglInitialize failed\n");
79 return 0;
80 }
81
82 WindowSurface windowSurface;
83 EGLNativeWindowType window = windowSurface.getSurface();
84 returnValue = EGLUtils::selectConfigForNativeWindow(dpy, s_configAttribs, window, &myConfig);
85 if (returnValue) {
86 printf("EGLUtils::selectConfigForNativeWindow() returned %d", returnValue);
87 return 0;
88 }
89
90 checkEglError("EGLUtils::selectConfigForNativeWindow");
91
92 surface = eglCreateWindowSurface(dpy, myConfig, window, NULL);
93 checkEglError("eglCreateWindowSurface");
94 if (surface == EGL_NO_SURFACE) {
95 printf("gelCreateWindowSurface failed.\n");
96 return 0;
97 }
98
99 context = eglCreateContext(dpy, myConfig, EGL_NO_CONTEXT, context_attribs);
100 checkEglError("eglCreateContext");
101 if (context == EGL_NO_CONTEXT) {
102 printf("eglCreateContext failed\n");
103 return 0;
104 }
105 returnValue = eglMakeCurrent(dpy, surface, surface, context);
106 checkEglError("eglMakeCurrent", returnValue);
107 if (returnValue != EGL_TRUE) {
108 return 0;
109 }
110 eglQuerySurface(dpy, surface, EGL_WIDTH, &w);
111 checkEglError("eglQuerySurface");
112 eglQuerySurface(dpy, surface, EGL_HEIGHT, &h);
113 checkEglError("eglQuerySurface");
114
115 glViewport(0, 0, w, h);
116
117 for (;;) {
118 doTest(w, h);
119 eglSwapBuffers(dpy, surface);
120 checkEglError("eglSwapBuffers");
121 }
122
123 return 0;
124 }
125
ptSwap()126 void ptSwap() {
127 eglSwapBuffers(dpy, surface);
128 }
129
130