You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
libepoxy/test/egl_gl.c

130 lines
3.5 KiB

/*
* Copyright © 2014 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
/**
* @file egl_gl.c
*
* Tests that epoxy works with EGL using desktop OpenGL.
*/
#define _GNU_SOURCE
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>
#include <err.h>
#include <dlfcn.h>
#include "epoxy/gl.h"
#include "epoxy/egl.h"
#include "epoxy/glx.h"
#include "egl_common.h"
#include "glx_common.h"
#include "dlwrap.h"
static bool
make_egl_current_and_test(EGLDisplay dpy, EGLContext ctx)
{
const char *string;
GLuint shader;
bool pass = true;
eglMakeCurrent(dpy, NULL, NULL, ctx);
if (!epoxy_is_desktop_gl()) {
fprintf(stderr, "Claimed to be desktop\n");
pass = false;
}
if (epoxy_gl_version() < 20) {
fprintf(stderr, "Claimed to be GL version %d\n",
epoxy_gl_version());
pass = false;
}
string = (const char *)glGetString(GL_VERSION);
printf("GL version: %s\n", string);
shader = glCreateShader(GL_FRAGMENT_SHADER);
pass = glIsShader(shader);
return pass;
}
static void
init_egl(EGLDisplay *out_dpy, EGLContext *out_ctx)
{
EGLDisplay dpy = get_egl_display_or_skip();
static const EGLint config_attribs[] = {
EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
EGL_RED_SIZE, 1,
EGL_GREEN_SIZE, 1,
EGL_BLUE_SIZE, 1,
EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT,
EGL_NONE
};
static const EGLint context_attribs[] = {
EGL_CONTEXT_CLIENT_VERSION, 2,
EGL_NONE
};
EGLContext ctx;
EGLConfig cfg;
EGLint count;
if (!epoxy_has_egl_extension(dpy, "EGL_KHR_surfaceless_context"))
errx(77, "Test requires EGL_KHR_surfaceless_context");
if (!eglBindAPI(EGL_OPENGL_API))
errx(77, "Couldn't initialize EGL with desktop GL\n");
if (!eglChooseConfig(dpy, config_attribs, &cfg, 1, &count))
errx(77, "Couldn't get an EGLConfig\n");
ctx = eglCreateContext(dpy, cfg, NULL, context_attribs);
if (!ctx)
errx(77, "Couldn't create a GL context\n");
*out_dpy = dpy;
*out_ctx = ctx;
}
int main(void)
{
bool pass = true;
EGLDisplay egl_dpy;
EGLContext egl_ctx;
/* Force epoxy to have loaded both EGL and GLX libs already -- we
* can't assume anything about symbol resolution based on having
* EGL or GLX loaded.
*/
(void)glXGetCurrentContext();
(void)eglGetCurrentContext();
init_egl(&egl_dpy, &egl_ctx);
pass = make_egl_current_and_test(egl_dpy, egl_ctx) && pass;
return pass != true;
}