add cairo

1 files changed, 94 insertions, 0 deletions

diff --git a/libs/cairo-1.16.0/perf/micro/sierpinski.c b/libs/cairo-1.16.0/perf/micro/sierpinski.c
new file mode 100644
index 0000000..c6f5fad
--- /dev/null
+++ b/libs/cairo-1.16.0/perf/micro/sierpinski.c
@@ -0,0 +1,94 @@
+/*
+ * Copyright © 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.
+ *
+ * Author: Chris Wilson <chris@chris-wilson.co.uk>
+ */
+
+#include "cairo-perf.h"
+
+static const double m_1_sqrt_3 = 0.577359269;
+
+static void
+T (cairo_t *cr, int size)
+{
+    cairo_move_to (cr, 0, 0);
+    cairo_line_to (cr, size, 0);
+    cairo_line_to (cr, size/2, size*m_1_sqrt_3);
+
+    size /= 2;
+    if (size >= 4) {
+	T (cr, size);
+	cairo_save (cr); {
+	    cairo_translate (cr, size, 0);
+	    T (cr, size);
+	} cairo_restore (cr);
+	cairo_save (cr); {
+	    cairo_translate (cr, size/2, size*m_1_sqrt_3);
+	    T (cr, size);
+	} cairo_restore (cr);
+    }
+}
+
+static cairo_time_t
+draw (cairo_t *cr, int width, int height, int loops)
+{
+    int t_height = height/2;
+    int t_width = t_height / m_1_sqrt_3;
+
+    cairo_set_source_rgb (cr, 1, 1, 1);
+    cairo_paint (cr);
+
+    cairo_set_source_rgb (cr, 0, 0, 0);
+    cairo_set_line_width (cr, 1.);
+
+    cairo_perf_timer_start ();
+
+    while (loops--) {
+	cairo_save (cr);
+	T (cr, t_width);
+
+	cairo_translate (cr, 0, height);
+	cairo_scale (cr, 1, -1);
+
+	T (cr, t_width);
+
+	cairo_stroke (cr);
+	cairo_restore (cr);
+    }
+
+    cairo_perf_timer_stop ();
+
+    return cairo_perf_timer_elapsed ();
+}
+
+cairo_bool_t
+sierpinski_enabled (cairo_perf_t *perf)
+{
+    return cairo_perf_can_run (perf, "sierpinski", NULL);
+}
+
+void
+sierpinski (cairo_perf_t *perf, cairo_t *cr, int width, int height)
+{
+    cairo_perf_run (perf, "sierpinski", draw, NULL);
+}