Add an initial testsuite for GLX API.

.gitignore

@@ -80,6 +80,7 @@ core
 # 
 configure.lineno
 .dirstamp
+test-driver
 
 gl_generated_dispatch.c
 gl_generated.h

Makefile.am

@@ -20,9 +20,9 @@
 
 SUBDIRS = src
 
-#if HAVE_X11
-#SUBDIRS += test
-#endif
+if HAVE_X11
+SUBDIRS += test
+endif
 
 pkgconfigdir = $(libdir)/pkgconfig
 pkgconfig_DATA = epoxy.pc

configure.ac

@@ -69,6 +69,7 @@ AC_CONFIG_FILES([
                 epoxy.pc
                 Makefile
                 src/Makefile
+                test/Makefile
 ])
 AC_OUTPUT
 

test/Makefile.am

@@ -0,0 +1,42 @@
+#  Copyright 2005 Adam Jackson.
+#
+#  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
+#  on the rights to use, copy, modify, merge, publish, distribute, sub
+#  license, 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 NON-INFRINGEMENT.  IN NO EVENT SHALL
+#  ADAM JACKSON 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.
+
+EPOXY = $(builddir)/../src/libepoxy.la
+
+check_LTLIBRARIES = libglx_common.la
+
+libglx_common_la_SOURCES = \
+	glx_common.c \
+	glx_common.h
+	$()
+
+AM_CPPFLAGS = \
+	-I$(top_srcdir)/include \
+	$(X11_CFLAGS)
+
+TESTS = \
+	glx_public_api
+	$()
+
+check_PROGRAMS = $(TESTS)
+
+glx_public_api_LDFLAGS = $(X11_LIBS) $(EPOXY) libglx_common.la
+glx_public_api_DEPENDENCIES = libglx_common.la
+

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);
+}

test/glx_common.h

@@ -0,0 +1,31 @@
+/*
+ * 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 "epoxy/glx.h"
+
+Display *
+get_display_or_skip(void);
+
+GLXContext
+make_glx_context_current_or_skip(Display *dpy);
+

test/glx_public_api.c

@@ -0,0 +1,103 @@
+/*
+ * 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 <assert.h>
+#include "epoxy/gl.h"
+#include "epoxy/glx.h"
+#include <X11/Xlib.h>
+
+#include "glx_common.h"
+
+static Display *dpy;
+
+static bool
+test_gl_version(void)
+{
+    int version = epoxy_gl_version();
+    if (version < 12) {
+        fprintf(stderr,
+                "Reported GL version %d, should be at least 12\n",
+                version);
+        return false;
+    }
+
+    return true;
+}
+
+static bool
+test_glx_version(void)
+{
+    int version = epoxy_glx_version();
+    const char *version_string;
+    int ret;
+    int server_major, server_minor;
+    int client_major, client_minor;
+    int server, client, expected;
+
+    if (version < 13) {
+        fprintf(stderr,
+                "Reported GLX version %d, should be at least 13 "
+                "according to Linux GL ABI\n",
+                version);
+        return false;
+    }
+
+    version_string = glXQueryServerString(dpy, 0, GLX_VERSION);
+    ret = sscanf(version_string, "%d.%d", &server_major, &server_minor);
+    assert(ret == 2);
+    server = server_major * 10 + server_minor;
+
+    version_string = glXGetClientString(dpy, GLX_VERSION);
+    ret = sscanf(version_string, "%d.%d", &client_major, &client_minor);
+    assert(ret == 2);
+    client = client_major * 10 + client_minor;
+
+    if (client < server)
+        expected = client;
+    else
+        expected = server;
+
+    if (version != expected) {
+        fprintf(stderr,
+                "Reported GLX version %d, should be %d (%s)\n",
+                version, expected, version_string);
+        return false;
+    }
+
+    return true;
+}
+
+int
+main(int argc, char **argv)
+{
+    bool pass = true;
+
+    dpy = get_display_or_skip();
+    make_glx_context_current_or_skip(dpy);
+
+    pass = test_gl_version() && pass;
+    pass = test_glx_version() && pass;
+
+    return pass != true;
+}