122 lines
3.3 KiB
C++
122 lines
3.3 KiB
C++
/*
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**
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** Copyright 2006, The Android Open Source Project
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**
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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**
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** http://www.apache.org/licenses/LICENSE-2.0
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**
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <EGL/egl.h>
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#include <GLES/gl.h>
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#include <GLES/glext.h>
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#include <utils/StopWatch.h>
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#include <ui/FramebufferNativeWindow.h>
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#include <ui/EGLUtils.h>
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using namespace android;
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int main(int argc, char** argv)
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{
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EGLint configAttribs[] = {
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EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
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EGL_NONE
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};
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EGLint majorVersion;
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EGLint minorVersion;
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EGLContext context;
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EGLConfig config;
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EGLint numConfigs=0;
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EGLSurface surface;
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EGLint w, h;
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EGLDisplay dpy;
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EGLNativeWindowType window = android_createDisplaySurface();
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dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY);
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eglInitialize(dpy, 0 ,0) ;//&majorVersion, &minorVersion);
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eglGetConfigs(dpy, NULL, 0, &numConfigs);
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printf("# configs = %d\n", numConfigs);
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status_t err = EGLUtils::selectConfigForNativeWindow(
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dpy, configAttribs, window, &config);
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if (err) {
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fprintf(stderr, "couldn't find an EGLConfig matching the screen format\n");
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return 0;
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}
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EGLint r,g,b,a;
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eglGetConfigAttrib(dpy, config, EGL_RED_SIZE, &r);
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eglGetConfigAttrib(dpy, config, EGL_GREEN_SIZE, &g);
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eglGetConfigAttrib(dpy, config, EGL_BLUE_SIZE, &b);
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eglGetConfigAttrib(dpy, config, EGL_ALPHA_SIZE, &a);
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surface = eglCreateWindowSurface(dpy, config, window, NULL);
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if (surface == EGL_NO_SURFACE) {
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EGLint err = eglGetError();
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fprintf(stderr, "%s, config=%p, format = %d-%d-%d-%d\n",
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EGLUtils::strerror(err), config, r,g,b,a);
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return 0;
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} else {
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printf("config=%p, format = %d-%d-%d-%d\n", config, r,g,b,a);
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}
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context = eglCreateContext(dpy, config, NULL, NULL);
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eglMakeCurrent(dpy, surface, surface, context);
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eglQuerySurface(dpy, surface, EGL_WIDTH, &w);
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eglQuerySurface(dpy, surface, EGL_HEIGHT, &h);
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printf("w=%d, h=%d\n", w, h);
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glDisable(GL_DITHER);
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glEnable(GL_BLEND);
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glViewport(0, 0, w, h);
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glOrthof(0, w, 0, h, 0, 1);
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eglSwapInterval(dpy, 1);
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glClearColor(1,0,0,0);
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glClear(GL_COLOR_BUFFER_BIT);
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eglSwapBuffers(dpy, surface);
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int time = 10;
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printf("screen should flash red/green quickly for %d s...\n", time);
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int c = 0;
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nsecs_t start = systemTime();
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nsecs_t t;
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do {
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glClearColor(1,0,0,0);
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glClear(GL_COLOR_BUFFER_BIT);
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eglSwapBuffers(dpy, surface);
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glClearColor(0,1,0,0);
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glClear(GL_COLOR_BUFFER_BIT);
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eglSwapBuffers(dpy, surface);
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t = systemTime() - start;
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c += 2;
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} while (int(ns2s(t))<=time);
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double p = (double(t) / c) / 1000000000.0;
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printf("refresh-rate is %f fps (%f ms)\n", 1.0f/p, p*1000.0);
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eglTerminate(dpy);
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return 0;
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}
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