Add an initial testsuite for GLX API.

1 files changed, 104 insertions, 0 deletions

diff --git a/test/glx_common.c b/test/glx_common.c
new file mode 100644
index 0000000..1c1b3f5
--- /dev/null
+++ b/test/glx_common.c
@@ -0,0 +1,104 @@
+/*
+ * Copyright © 2013 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.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <X11/Xlib.h>
+#include "epoxy/glx.h"
+
+Display *
+get_display_or_skip(void)
+{
+	Display *dpy = XOpenDisplay(NULL);
+
+	if (!dpy) {
+		fprintf(stderr, "couldn't open display\n");
+		exit(77);
+	}
+
+	return dpy;
+}
+
+static XVisualInfo *
+get_glx_visual(Display *dpy)
+{
+	XVisualInfo *visinfo;
+	int attrib[] = {
+		GLX_RGBA,
+		GLX_RED_SIZE, 1,
+		GLX_GREEN_SIZE, 1,
+		GLX_BLUE_SIZE, 1,
+		GLX_DOUBLEBUFFER,
+		None
+	};
+	int screen = DefaultScreen(dpy);
+
+	visinfo = glXChooseVisual(dpy, screen, attrib);
+	if (visinfo == NULL) {
+		fprintf(stderr,
+			"Couldn't get an RGBA, double-buffered visual\n");
+		exit(1);
+	}
+
+	return visinfo;
+}
+
+static Window
+get_glx_window(Display *dpy, XVisualInfo *visinfo, bool map)
+{
+	XSetWindowAttributes window_attr;
+	unsigned long mask;
+	int screen = DefaultScreen(dpy);
+	Window root_win = RootWindow(dpy, screen);
+	Window win;
+
+	window_attr.background_pixel = 0;
+	window_attr.border_pixel = 0;
+	window_attr.colormap = XCreateColormap(dpy, root_win,
+					       visinfo->visual, AllocNone);
+	window_attr.event_mask = StructureNotifyMask | ExposureMask |
+		KeyPressMask;
+	mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
+	win = XCreateWindow(dpy, root_win, 0, 0,
+			    10, 10, /* width, height */
+			    0, visinfo->depth, InputOutput,
+			    visinfo->visual, mask, &window_attr);
+
+	return win;
+}
+
+void
+make_glx_context_current_or_skip(Display *dpy)
+{
+	GLXContext ctx;
+	XVisualInfo *visinfo = get_glx_visual(dpy);
+	Window win = get_glx_window(dpy, visinfo, false);
+
+	ctx = glXCreateContext(dpy, visinfo, False, True);
+	if (ctx == None) {
+		fprintf(stderr, "glXCreateContext failed\n");
+		exit(1);
+	}
+
+	glXMakeCurrent(dpy, win, ctx);
+}