summaryrefslogtreecommitdiff
path: root/perf/micro/disjoint.c
diff options
context:
space:
mode:
Diffstat (limited to 'perf/micro/disjoint.c')
-rw-r--r--perf/micro/disjoint.c101
1 files changed, 101 insertions, 0 deletions
diff --git a/perf/micro/disjoint.c b/perf/micro/disjoint.c
new file mode 100644
index 000000000..847860c7e
--- /dev/null
+++ b/perf/micro/disjoint.c
@@ -0,0 +1,101 @@
+/* -*- Mode: c; tab-width: 8; c-basic-offset: 4; indent-tabs-mode: t; -*- */
+/* cairo - a vector graphics library with display and print output
+ *
+ * Copyright (c) 2011 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 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 "cairo-perf.h"
+#include <assert.h>
+
+#define STEP 5
+
+static void path (cairo_t *cr, int width, int height)
+{
+ int i;
+
+ cairo_rectangle (cr, 0, 0, width, height);
+ cairo_clip (cr);
+
+ cairo_translate (cr, width/2, height/2);
+ cairo_rotate (cr, M_PI/4);
+ cairo_translate (cr, -width/2, -height/2);
+
+ for (i = 0; i < width; i += STEP) {
+ cairo_rectangle (cr, i, -2, 1, height+4);
+ cairo_rectangle (cr, -2, i, width+4, 1);
+ }
+}
+
+static void clip (cairo_t *cr, int width, int height)
+{
+ int i, j;
+
+ for (j = 0; j < height; j += 2*STEP) {
+ for (i = 0; i < width; i += 2*STEP)
+ cairo_rectangle (cr, i, j, STEP, STEP);
+
+ j += 2*STEP;
+ for (i = 0; i < width; i += 2*STEP)
+ cairo_rectangle (cr, i+STEP/2, j, STEP, STEP);
+ }
+
+ cairo_clip (cr);
+}
+
+static cairo_time_t
+draw (cairo_t *cr, int width, int height, int loops)
+{
+ cairo_save (cr);
+ cairo_set_source_rgb (cr, 1, 1, 1);
+ cairo_paint (cr);
+ cairo_set_source_rgb (cr, 1, 0, 0);
+
+ cairo_perf_timer_start ();
+ while (loops--) {
+ cairo_save (cr);
+ clip (cr, width, height);
+ path (cr, width, height);
+ cairo_fill (cr);
+ cairo_restore (cr);
+ }
+ cairo_perf_timer_stop ();
+
+ cairo_restore (cr);
+
+ return cairo_perf_timer_elapsed ();
+}
+
+cairo_bool_t
+disjoint_enabled (cairo_perf_t *perf)
+{
+ return cairo_perf_can_run (perf, "disjoint", NULL);
+}
+
+void
+disjoint (cairo_perf_t *perf, cairo_t *cr, int width, int height)
+{
+ if (! cairo_perf_can_run (perf, "disjoint", NULL))
+ return;
+
+ cairo_perf_run (perf, "disjoint", draw, NULL);
+}