test: Exercise different cursor sizes

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

configure.ac

@@ -202,7 +202,7 @@ if test "x$UDEV" != "xno"; then
 	fi
 fi
 
-PKG_CHECK_MODULES(X11, [x11 xrender xrandr xext xfixes pixman-1 libpng], [x11="yes"], [x11="no"])
+PKG_CHECK_MODULES(X11, [x11 xrender xrandr xext xfixes cairo cairo-xlib-xrender pixman-1 libpng], [x11="yes"], [x11="no"])
 AM_CONDITIONAL(HAVE_X11, test "x$x11" = "xyes")
 
 shm=yes

test/.gitignore

@@ -6,6 +6,7 @@ basic-lines
 basic-stress
 basic-stippledrect
 basic-tiledrect
+cursor-test
 render-fill
 render-trapezoid
 render-trapezoid-image

test/Makefile.am

@@ -9,6 +9,7 @@ stress_TESTS = \
 	basic-putimage \
 	basic-lines \
 	basic-stress \
+	cursor-test \
 	render-fill \
 	render-trapezoid \
 	render-trapezoid-image \

test/cursor-test.c

@@ -0,0 +1,159 @@
+/*
+ * Copyright (c) 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.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <cairo.h>
+#include <cairo-xlib.h>
+#include <cairo-xlib-xrender.h>
+#include <X11/Xlib.h>
+#include <X11/extensions/Xrender.h>
+
+#include <string.h>
+
+static void core_cursor(Display *dpy, int width, int height)
+{
+	char text[256];
+	cairo_surface_t *surface;
+	cairo_text_extents_t extents;
+	cairo_t *cr;
+	Pixmap bitmap;
+	int scr = DefaultScreen(dpy);
+	Window root = RootWindow(dpy, scr);
+	XColor bg, fg;
+	int pitch;
+	char *data;
+	GC gc;
+
+	sprintf(text, "%dx%d", width, height);
+
+	pitch = (width + 31) >> 5 << 2;
+	data = calloc(pitch, height);
+
+	surface = cairo_image_surface_create_for_data((unsigned char *)data, CAIRO_FORMAT_A1, width, height, pitch);
+	cr = cairo_create(surface);
+	cairo_text_extents(cr, text, &extents);
+	cairo_move_to(cr, 0, extents.height);
+	cairo_show_text(cr, text);
+	cairo_destroy(cr);
+	cairo_surface_destroy(surface);
+
+	bitmap = XCreatePixmap(dpy, root, width, height, 1);
+	gc = XCreateGC(dpy, bitmap, 0, NULL);
+	if (gc != NULL) {
+		XImage ximage = {
+			.height = height,
+			.width = width,
+			.depth = 1,
+			.bits_per_pixel = 1,
+			.xoffset = 0,
+			.format = XYPixmap,
+			.data = data,
+			.byte_order = LSBFirst,
+			.bitmap_unit = 32,
+			.bitmap_bit_order = LSBFirst,
+			.bitmap_pad = 32,
+			.bytes_per_line = pitch,
+		};
+		XPutImage(dpy, bitmap, gc, &ximage, 0, 0, 0, 0, width, height);
+		XFreeGC(dpy, gc);
+	}
+	free(data);
+
+	XParseColor(dpy, DefaultColormap(dpy, scr), "green", &fg);
+	XParseColor(dpy, DefaultColormap(dpy, scr), "black", &bg);
+
+	XDefineCursor(dpy, root, XCreatePixmapCursor(dpy, bitmap, bitmap, &fg, &bg, 0, 0));
+	XFreePixmap(dpy, bitmap);
+}
+
+static void render_cursor(Display *dpy, int width, int height)
+{
+	char text[256];
+	cairo_surface_t *surface;
+	cairo_text_extents_t extents;
+	cairo_t *cr;
+	Pixmap pixmap;
+	Picture picture;
+
+	sprintf(text, "%dx%d", width, height);
+
+	pixmap = XCreatePixmap(dpy, DefaultRootWindow(dpy), width, height, 32);
+	surface = cairo_xlib_surface_create_with_xrender_format(dpy, pixmap,
+								DefaultScreenOfDisplay(dpy),
+								XRenderFindStandardFormat(dpy, PictStandardARGB32),
+								width, height);
+	cr = cairo_create(surface);
+	cairo_surface_destroy(surface);
+
+	cairo_set_operator(cr, CAIRO_OPERATOR_CLEAR);
+	cairo_paint(cr);
+	cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
+
+	cairo_text_extents(cr, text, &extents);
+	cairo_move_to(cr, 0, extents.height);
+	cairo_set_source_rgb(cr, 1, 0, 1);
+	cairo_show_text(cr, text);
+	cairo_destroy(cr);
+
+	picture = XRenderCreatePicture(dpy, pixmap, XRenderFindStandardFormat(dpy, PictStandardARGB32), 0, NULL);
+	XFreePixmap(dpy, pixmap);
+
+	XDefineCursor(dpy, DefaultRootWindow(dpy), XRenderCreateCursor(dpy, picture, 0, 0));
+	XRenderFreePicture(dpy, picture);
+}
+
+int main(void)
+{
+	Display *dpy;
+	int sizes[] = { 24, 32, 48, 64, 72, 128, 160, 256 };
+	int x, y;
+
+	dpy = XOpenDisplay(NULL);
+	if (dpy == NULL)
+		dpy = XOpenDisplay(":0"); /* lazy */
+	if (dpy == NULL)
+		return 77;
+
+	for (x = 0; x < sizeof(sizes)/sizeof(sizes[0]); x++) {
+		for (y = 0; y < sizeof(sizes)/sizeof(sizes[0]); y++) {
+			printf("Testing %dx%d (core)\n", sizes[x], sizes[y]);
+			core_cursor(dpy, sizes[x], sizes[y]);
+			XSync(dpy, True);
+			sleep(2);
+
+			printf("Testing %dx%d (render)\n", sizes[x], sizes[y]);
+			render_cursor(dpy, sizes[x], sizes[y]);
+			XSync(dpy, True);
+			sleep(2);
+		}
+	}
+
+	return 0;
+}