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113 lines
3.3 KiB
113 lines
3.3 KiB
/*
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* Copyright © 2014 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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/**
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* @file egl_without_glx.c
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*
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* Tries to test operation of the library on a system with a GLES
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* installed but no GLX. This test is varied by the GLES_VERSION
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* defined at compile time to test either a GLES1-only or a GLES2-only
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* system.
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*/
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#define _GNU_SOURCE
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <assert.h>
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#include <err.h>
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#include <dlfcn.h>
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#include "epoxy/gl.h"
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#include "epoxy/egl.h"
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#include "egl_common.h"
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/**
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* Wraps the system dlopen(), which libepoxy will end up calling when
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* it tries to dlopen() the API libraries, and errors out the
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* libraries we're trying to simulate not being installed on the
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* system.
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*/
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void *
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dlopen(const char *filename, int flag)
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{
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void * (*dlopen_unwrapped)(const char *filename, int flag);
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if (!strcmp(filename, "libGL.so.1"))
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return NULL;
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#if GLES_VERSION == 2
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if (!strcmp(filename, "libGLESv1_CM.so.1"))
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return NULL;
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#else
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if (!strcmp(filename, "libGLESv2.so.2"))
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return NULL;
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#endif
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dlopen_unwrapped = dlsym(RTLD_NEXT, "dlopen");
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assert(dlopen_unwrapped);
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return dlopen_unwrapped(filename, flag);
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}
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int
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main(int argc, char **argv)
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{
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bool pass = true;
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EGLDisplay *dpy = get_egl_display_or_skip();
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EGLint context_attribs[] = {
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EGL_CONTEXT_CLIENT_VERSION, GLES_VERSION,
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EGL_NONE
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};
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EGLConfig cfg;
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EGLint config_attribs[] = {
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EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
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EGL_RED_SIZE, 1,
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EGL_GREEN_SIZE, 1,
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EGL_BLUE_SIZE, 1,
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EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT,
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EGL_NONE
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};
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EGLint count;
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EGLContext ctx;
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const unsigned char *string;
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if (!epoxy_has_egl_extension(dpy, "EGL_KHR_surfaceless_context"))
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errx(77, "Test requires EGL_KHR_surfaceless_context");
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eglBindAPI(EGL_OPENGL_ES_API);
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if (!eglChooseConfig(dpy, config_attribs, &cfg, 1, &count))
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errx(77, "Couldn't get an EGLConfig\n");
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ctx = eglCreateContext(dpy, cfg, NULL, context_attribs);
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if (!ctx)
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errx(77, "Couldn't create a GLES%d context\n", GLES_VERSION);
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eglMakeCurrent(dpy, NULL, NULL, ctx);
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string = glGetString(GL_VERSION);
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printf("GL_VERSION: %s\n", string);
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return pass != true;
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}
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