Adding upstream version 3.38.0.upstream/3.38.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 201 insertions, 0 deletions

diff --git a/tools/gnome-session-check-accelerated-gles-helper.c b/tools/gnome-session-check-accelerated-gles-helper.c
new file mode 100644
index 0000000..6a4463d
--- /dev/null
+++ b/tools/gnome-session-check-accelerated-gles-helper.c
@@ -0,0 +1,201 @@
+/* -*- mode:c; c-basic-offset: 8; indent-tabs-mode: nil; -*- */
+/*
+ *
+ * Copyright (C) 2016 Endless Mobile, Inc
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Author:
+ *   Cosimo Cecchi <cosimo@endlessm.com>
+ */
+
+/* for strcasestr */
+#define _GNU_SOURCE
+
+#include <config.h>
+
+#include <gtk/gtk.h>
+#include <locale.h>
+#include <stdlib.h>
+#include <string.h>
+
+#ifdef GDK_WINDOWING_X11
+#define GL_GLEXT_PROTOTYPES
+
+#include <gdk/gdkx.h>
+#include <GLES2/gl2.h>
+#include <GLES2/gl2ext.h>
+#include <EGL/egl.h>
+#endif
+
+#include "gnome-session-check-accelerated-common.h"
+
+#ifdef GDK_WINDOWING_X11
+static char *
+get_gles_renderer (void)
+{
+        /* Select GLESv2 config */
+        EGLint attribs[] = {
+                EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
+                EGL_RED_SIZE, 1,
+                EGL_GREEN_SIZE, 1,
+                EGL_BLUE_SIZE, 1,
+                EGL_NONE
+        };
+
+        EGLint ctx_attribs[] = {
+                EGL_CONTEXT_CLIENT_VERSION, 2,
+                EGL_NONE
+        };
+
+        gboolean egl_inited = FALSE;
+        Display *display;
+        Window win = None;
+        EGLContext egl_ctx = NULL;
+        EGLDisplay egl_dpy = NULL;
+        EGLSurface egl_surf = NULL;
+        char *renderer = NULL;
+
+        gdk_error_trap_push ();
+
+        display = GDK_DISPLAY_XDISPLAY (gdk_display_get_default ());
+        egl_dpy = eglGetDisplay (display);
+        if (!egl_dpy) {
+                g_warning ("eglGetDisplay() failed");
+                goto out;
+        }
+
+        EGLint egl_major, egl_minor;
+        if (!eglInitialize (egl_dpy, &egl_major, &egl_minor)) {
+                g_warning ("eglInitialize() failed");
+                goto out;
+        }
+
+        egl_inited = TRUE;
+
+        EGLint num_configs;
+        EGLConfig config;
+        if (!eglChooseConfig (egl_dpy, attribs, &config, 1, &num_configs)) {
+                g_warning ("Failed to get EGL configuration");
+                goto out;
+        }
+
+        EGLint vid;
+        if (!eglGetConfigAttrib (egl_dpy, config, EGL_NATIVE_VISUAL_ID, &vid)) {
+                g_warning ("Failed to get EGL visual");
+                goto out;
+        }
+
+        /* The X window visual must match the EGL config */
+        XVisualInfo *vis_info, vis_template;
+        int num_visuals;
+        vis_template.visualid = vid;
+        vis_info = XGetVisualInfo (display, VisualIDMask, &vis_template, &num_visuals);
+        if (!vis_info) {
+                g_warning ("Failed to get X visual");
+                goto out;
+        }
+
+        XSetWindowAttributes attr;
+        attr.colormap = XCreateColormap (display, DefaultRootWindow (display),
+                                         vis_info->visual, AllocNone);
+        win = XCreateWindow (display, DefaultRootWindow (display),
+                             0, 0, /* x, y */
+                             1, 1, /* width, height */
+                             0,    /* border_width */
+                             vis_info->depth, InputOutput,
+                             vis_info->visual, CWColormap, &attr);
+        XFree (vis_info);
+
+        eglBindAPI (EGL_OPENGL_ES_API);
+
+        egl_ctx = eglCreateContext (egl_dpy, config, EGL_NO_CONTEXT, ctx_attribs);
+        if (!egl_ctx) {
+                g_warning ("Failed to create EGL context");
+                goto out;
+        }
+
+        egl_surf = eglCreateWindowSurface (egl_dpy, config, win, NULL);
+        if (!egl_surf) {
+                g_warning ("Failed to create EGL surface");
+                goto out;
+        }
+
+        if (!eglMakeCurrent (egl_dpy, egl_surf, egl_surf, egl_ctx)) {
+                g_warning ("eglMakeCurrent() failed");
+                goto out;
+        }
+
+        renderer = g_strdup ((const char *) glGetString (GL_RENDERER));
+
+ out:
+        if (egl_ctx)
+                eglDestroyContext (egl_dpy, egl_ctx);
+        if (egl_surf)
+                eglDestroySurface (egl_dpy, egl_surf);
+        if (egl_inited)
+                eglTerminate (egl_dpy);
+        if (win != None)
+                XDestroyWindow (display, win);
+
+        gdk_error_trap_pop_ignored ();
+        return renderer;
+}
+#endif
+
+static gboolean print_renderer = FALSE;
+
+static const GOptionEntry entries[] = {
+        { "print-renderer", 'p', 0, G_OPTION_ARG_NONE, &print_renderer, "Print EGL renderer name", NULL },
+        { NULL },
+};
+
+int
+main (int argc,
+      char **argv)
+{
+        char *renderer = NULL;
+        GOptionContext *context;
+        int ret = HELPER_NO_ACCEL;
+        GError *error = NULL;
+
+        setlocale (LC_ALL, "");
+
+        context = g_option_context_new (NULL);
+        g_option_context_add_group (context, gtk_get_option_group (TRUE));
+        g_option_context_add_main_entries (context, entries, NULL);
+
+        if (!g_option_context_parse (context, &argc, &argv, &error)) {
+                g_error ("Can't parse command line: %s\n", error->message);
+                g_error_free (error);
+                goto out;
+        }
+
+#ifdef GDK_WINDOWING_X11
+        renderer = get_gles_renderer ();
+#endif
+
+        if (renderer != NULL) {
+                if (print_renderer)
+                        g_print ("%s", renderer);
+                if (strcasestr (renderer, "llvmpipe"))
+                        ret = HELPER_SOFTWARE_RENDERING;
+                else
+                        ret = HELPER_ACCEL;
+        }
+
+out:
+        return ret;
+}