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144 lines
4.1 KiB
144 lines
4.1 KiB
/*
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* Copyright 2018 Emmanuele Bassi
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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 epoxy_api.c
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*
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* Tests the Epoxy API using EGL.
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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 "epoxy/gl.h"
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#include "epoxy/egl.h"
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#include "egl_common.h"
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static bool
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make_egl_current_and_test(EGLDisplay *dpy, EGLContext ctx)
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{
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const char *string;
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GLuint shader;
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bool pass = true;
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eglMakeCurrent(dpy, NULL, NULL, ctx);
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if (!epoxy_is_desktop_gl()) {
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fputs("Claimed to be desktop\n", stderr);
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pass = false;
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}
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if (epoxy_gl_version() < 20) {
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fprintf(stderr, "Claimed to be GL version %d\n",
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epoxy_gl_version());
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pass = false;
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}
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if (epoxy_glsl_version() < 100) {
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fprintf(stderr, "Claimed to have GLSL version %d\n",
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epoxy_glsl_version());
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pass = false;
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}
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string = (const char *)glGetString(GL_VERSION);
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printf("GL version: %s - Epoxy: %d\n", string, epoxy_gl_version());
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string = (const char *)glGetString(GL_SHADING_LANGUAGE_VERSION);
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printf("GLSL version: %s - Epoxy: %d\n", string, epoxy_glsl_version());
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shader = glCreateShader(GL_FRAGMENT_SHADER);
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pass = glIsShader(shader);
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return pass;
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}
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static void
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init_egl(EGLDisplay *dpy, EGLContext *out_ctx)
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{
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static const 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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static const EGLint context_attribs[] = {
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EGL_CONTEXT_CLIENT_VERSION, 2,
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EGL_NONE
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};
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EGLContext ctx;
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EGLConfig cfg;
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EGLint count;
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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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if (!eglBindAPI(EGL_OPENGL_API))
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errx(77, "Couldn't initialize EGL with desktop GL\n");
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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 GL context\n");
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*out_ctx = ctx;
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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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EGLContext egl_ctx;
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EGLDisplay *dpy = get_egl_display_or_skip();
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const char *extensions = eglQueryString(dpy, EGL_EXTENSIONS);
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char *first_space;
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char *an_extension;
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/* We don't have any extensions guaranteed by the ABI, so for the
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* touch test we just check if the first one is reported to be there.
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*/
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first_space = strstr(extensions, " ");
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if (first_space) {
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an_extension = strndup(extensions, first_space - extensions);
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} else {
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an_extension = strdup(extensions);
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}
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if (!epoxy_extension_in_string(extensions, an_extension))
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errx(1, "Implementation reported absence of %s", an_extension);
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free(an_extension);
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init_egl(dpy, &egl_ctx);
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pass = make_egl_current_and_test(dpy, egl_ctx);
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return pass != true;
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}
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