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-rw-r--r--perf/micro/rounded-rectangles.c144
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diff --git a/perf/micro/rounded-rectangles.c b/perf/micro/rounded-rectangles.c
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+/*
+ * Copyright © 2005 Owen Taylor
+ * Copyright © 2007 Dan Amelang
+ * Copyright © 2007 Chris Wilson
+ *
+ * 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
+ * the authors not be used in advertising or publicity pertaining to
+ * distribution of the software without specific, written prior
+ * permission. The authors make no representations about the
+ * suitability of this software for any purpose. It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE AUTHORS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL THE AUTHORS 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.
+ *
+ * Authors: Chris Wilson <chris@chris-wilson.co.uk>
+ */
+
+/* This perf case is derived from the bug report
+ * Gradient on 'rounded rectangle' MUCH slower than normal rectangle
+ * https://bugs.freedesktop.org/show_bug.cgi?id=4263.
+ */
+
+#include "cairo-perf.h"
+
+#define RECTANGLE_COUNT (1000)
+
+#if 0
+#define MODE cairo_perf_run
+#else
+#define MODE cairo_perf_cover_sources_and_operators
+#endif
+
+static struct
+{
+ double x;
+ double y;
+ double width;
+ double height;
+} rects[RECTANGLE_COUNT];
+
+static void
+rounded_rectangle (cairo_t *cr,
+ double x, double y, double w, double h,
+ double radius)
+{
+ cairo_move_to (cr, x+radius, y);
+ cairo_arc (cr, x+w-radius, y+radius, radius, M_PI + M_PI / 2, M_PI * 2 );
+ cairo_arc (cr, x+w-radius, y+h-radius, radius, 0, M_PI / 2 );
+ cairo_arc (cr, x+radius, y+h-radius, radius, M_PI/2, M_PI );
+ cairo_arc (cr, x+radius, y+radius, radius, M_PI, 270 * M_PI / 180);
+}
+
+static cairo_time_t
+do_rectangle (cairo_t *cr, int width, int height, int loops)
+{
+ cairo_perf_timer_start ();
+
+ while (loops--) {
+ rounded_rectangle (cr, 0, 0, width, height, 3.0);
+ cairo_fill (cr);
+ }
+
+ cairo_perf_timer_stop ();
+
+ return cairo_perf_timer_elapsed ();
+}
+
+static cairo_time_t
+do_rectangles (cairo_t *cr, int width, int height, int loops)
+{
+ int i;
+
+ cairo_perf_timer_start ();
+
+ while (loops--) {
+ for (i = 0; i < RECTANGLE_COUNT; i++) {
+ rounded_rectangle (cr,
+ rects[i].x, rects[i].y,
+ rects[i].width, rects[i].height,
+ 3.0);
+ cairo_fill (cr);
+ }
+ }
+
+ cairo_perf_timer_stop ();
+
+ return cairo_perf_timer_elapsed ();
+}
+
+static cairo_time_t
+do_rectangles_once (cairo_t *cr, int width, int height, int loops)
+{
+ int i;
+
+ cairo_perf_timer_start ();
+
+ while (loops--) {
+ for (i = 0; i < RECTANGLE_COUNT; i++) {
+ rounded_rectangle (cr,
+ rects[i].x, rects[i].y,
+ rects[i].width, rects[i].height,
+ 3.0);
+ }
+ cairo_fill (cr);
+ }
+
+ cairo_perf_timer_stop ();
+
+ return cairo_perf_timer_elapsed ();
+}
+
+cairo_bool_t
+rounded_rectangles_enabled (cairo_perf_t *perf)
+{
+ return cairo_perf_can_run (perf, "rounded-rectangles", NULL);
+}
+
+void
+rounded_rectangles (cairo_perf_t *perf, cairo_t *cr, int width, int height)
+{
+ int i;
+
+ srand (8478232);
+ for (i = 0; i < RECTANGLE_COUNT; i++) {
+ rects[i].x = rand () % width;
+ rects[i].y = rand () % height;
+ rects[i].width = (rand () % (width / 10)) + 1;
+ rects[i].height = (rand () % (height / 10)) + 1;
+ }
+
+ MODE (perf, "one-rounded-rectangle", do_rectangle, NULL);
+ MODE (perf, "rounded-rectangles", do_rectangles, NULL);
+ MODE (perf, "rounded-rectangles-once", do_rectangles_once, NULL);
+}