From 530ffd0b7d3c39757b20f00716e486b5caf89aff Mon Sep 17 00:00:00 2001
From: sanine <sanine.not@pm.me>
Date: Wed, 12 Oct 2022 12:03:23 -0500
Subject: add cairo

---
 libs/cairo-1.16.0/test/gl-surface-source.c | 111 +++++++++++++++++++++++++++++
 1 file changed, 111 insertions(+)
 create mode 100644 libs/cairo-1.16.0/test/gl-surface-source.c

(limited to 'libs/cairo-1.16.0/test/gl-surface-source.c')

diff --git a/libs/cairo-1.16.0/test/gl-surface-source.c b/libs/cairo-1.16.0/test/gl-surface-source.c
new file mode 100644
index 0000000..09d4d9c
--- /dev/null
+++ b/libs/cairo-1.16.0/test/gl-surface-source.c
@@ -0,0 +1,111 @@
+/*
+ * Copyright © 2008 Chris Wilson
+ * Copyright © 2010 Intel Corporation
+ *
+ * Permission to use, copy, modify, distribute, and sell this software
+ * and its documentation for any purpose is hereby granted without
+ * fee, provided that the above copyright notice appear in all copies
+ * and that both that copyright notice and this permission notice
+ * appear in supporting documentation, and that the name of
+ * Chris Wilson not be used in advertising or publicity pertaining to
+ * distribution of the software without specific, written prior
+ * permission. Chris Wilson makes no representations about the
+ * suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL,
+ * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
+ * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
+ * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Author: Chris Wilson <chris@chris-wilson.co.uk>
+ */
+
+#include "cairo-test.h"
+#include <cairo-gl.h>
+
+#include "surface-source.c"
+
+struct closure {
+    Display *dpy;
+    GLXContext ctx;
+};
+
+static void
+cleanup (void *data)
+{
+    struct closure *arg = data;
+
+    glXDestroyContext (arg->dpy, arg->ctx);
+    XCloseDisplay (arg->dpy);
+
+    free (arg);
+}
+
+static cairo_surface_t *
+create_source_surface (int size)
+{
+    int rgba_attribs[] = {
+	GLX_RGBA,
+	GLX_RED_SIZE, 1,
+	GLX_GREEN_SIZE, 1,
+	GLX_BLUE_SIZE, 1,
+	GLX_ALPHA_SIZE, 1,
+	GLX_DOUBLEBUFFER,
+	None
+    };
+    XVisualInfo *visinfo;
+    GLXContext ctx;
+    struct closure *arg;
+    cairo_device_t *device;
+    cairo_surface_t *surface;
+    Display *dpy;
+
+    dpy = XOpenDisplay (NULL);
+    if (dpy == NULL)
+	return NULL;
+
+    visinfo = glXChooseVisual (dpy, DefaultScreen (dpy), rgba_attribs);
+    if (visinfo == NULL) {
+	XCloseDisplay (dpy);
+	return NULL;
+    }
+
+    ctx = glXCreateContext (dpy, visinfo, NULL, True);
+    XFree (visinfo);
+
+    if (ctx == NULL) {
+	XCloseDisplay (dpy);
+	return NULL;
+    }
+
+    arg = xmalloc (sizeof (struct closure));
+    arg->dpy = dpy;
+    arg->ctx = ctx;
+    device = cairo_glx_device_create (dpy, ctx);
+    if (cairo_device_set_user_data (device,
+				    (cairo_user_data_key_t *) cleanup,
+				    arg,
+				    cleanup))
+    {
+	cleanup (arg);
+	return NULL;
+    }
+
+    surface = cairo_gl_surface_create (device,
+				       CAIRO_CONTENT_COLOR_ALPHA,
+				       size, size);
+    cairo_device_destroy (device);
+
+    return surface;
+}
+
+CAIRO_TEST (gl_surface_source,
+	    "Test using a GL surface as the source",
+	    "source", /* keywords */
+	    NULL, /* requirements */
+	    SIZE, SIZE,
+	    preamble, draw)
-- 
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