134 lines
4.0 KiB
C++
134 lines
4.0 KiB
C++
/*
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* Copyright (C) 2007 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 <time.h>
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#include <sched.h>
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#include <sys/resource.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/Timers.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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static void printGLString(const char *name, GLenum s)
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{
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fprintf(stderr, "printGLString %s, %d\n", name, s);
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const char *v = (const char *)glGetString(s);
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int error = glGetError();
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fprintf(stderr, "glGetError() = %d, result of glGetString = %x\n", error,
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(unsigned int)v);
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if ((v < (const char*) 0) || (v > (const char*) 0x1000))
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fprintf(stderr, "GL %s = %s\n", name, v);
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else
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fprintf(stderr, "GL %s = (null)\n", name);
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}
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static const char* eglErrorToString[] = {
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"EGL_SUCCESS", // 0x3000 12288
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"EGL_NOT_INITIALIZED",
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"EGL_BAD_ACCESS", // 0x3002 12290
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"EGL_BAD_ALLOC",
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"EGL_BAD_ATTRIBUTE",
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"EGL_BAD_CONFIG",
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"EGL_BAD_CONTEXT", // 0x3006 12294
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"EGL_BAD_CURRENT_SURFACE",
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"EGL_BAD_DISPLAY",
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"EGL_BAD_MATCH",
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"EGL_BAD_NATIVE_PIXMAP",
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"EGL_BAD_NATIVE_WINDOW",
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"EGL_BAD_PARAMETER", // 0x300c 12300
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"EGL_BAD_SURFACE"
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};
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static void checkEglError(const char* op) {
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for(EGLint error = eglGetError();
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error != EGL_SUCCESS;
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error = eglGetError()) {
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const char* errorString = "unknown";
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if (error >= EGL_SUCCESS && error <= EGL_BAD_SURFACE) {
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errorString = eglErrorToString[error - EGL_SUCCESS];
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}
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fprintf(stderr, "%s() returned eglError %s (0x%x)\n", op,
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errorString, error);
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}
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}
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int main(int argc, char** argv)
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{
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EGLint s_configAttribs[] = {
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EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
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EGL_RED_SIZE, 5,
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EGL_GREEN_SIZE, 6,
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EGL_BLUE_SIZE, 5,
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EGL_NONE
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};
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EGLint numConfigs = -1;
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EGLint majorVersion;
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EGLint minorVersion;
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EGLConfig config;
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EGLContext context;
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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 = 0;
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window = android_createDisplaySurface();
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checkEglError("<init>");
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dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY);
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checkEglError("eglGetDisplay");
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eglInitialize(dpy, &majorVersion, &minorVersion);
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checkEglError("eglInitialize");
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fprintf(stderr, "EGL version %d.%d\n", majorVersion, minorVersion);
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EGLUtils::selectConfigForNativeWindow(dpy, s_configAttribs, window, &config);
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fprintf(stderr, "Chosen config: 0x%08x\n", (unsigned long) config);
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checkEglError("EGLUtils::selectConfigForNativeWindow");
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surface = eglCreateWindowSurface(dpy, config, window, NULL);
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checkEglError("eglCreateWindowSurface");
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EGLint gl2_0Attribs[] = {EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE};
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context = eglCreateContext(dpy, config, NULL, gl2_0Attribs);
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checkEglError("eglCreateContext");
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eglMakeCurrent(dpy, surface, surface, context);
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checkEglError("eglMakeCurrent");
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eglQuerySurface(dpy, surface, EGL_WIDTH, &w);
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checkEglError("eglQuerySurface");
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eglQuerySurface(dpy, surface, EGL_HEIGHT, &h);
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checkEglError("eglQuerySurface");
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GLint dim = w<h ? w : h;
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fprintf(stderr, "Window dimensions: %d x %d\n", w, h);
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printGLString("Version", GL_VERSION);
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printGLString("Vendor", GL_VENDOR);
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printGLString("Renderer", GL_RENDERER);
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printGLString("Extensions", GL_EXTENSIONS);
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return 0;
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}
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