add cairo

1 files changed, 187 insertions, 0 deletions

diff --git a/libs/cairo-1.16.0/perf/micro/many-fills.c b/libs/cairo-1.16.0/perf/micro/many-fills.c
new file mode 100644
index 0000000..9d3fd64
--- /dev/null
+++ b/libs/cairo-1.16.0/perf/micro/many-fills.c
@@ -0,0 +1,187 @@
+/*
+ * 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>
+ */
+
+
+/* This is a variant on many strokes where we precompute
+ * a simplified stroke-to-path.
+ * When we have a real stroke-to-path, it would useful to compare the cost
+ * of stroking vs filling the "identical" paths.
+ */
+
+#include "cairo-perf.h"
+
+static uint32_t state;
+
+static double
+uniform_random (double minval, double maxval)
+{
+    static uint32_t const poly = 0x9a795537U;
+    uint32_t n = 32;
+    while (n-->0)
+	state = 2*state < state ? (2*state ^ poly) : 2*state;
+    return minval + state * (maxval - minval) / 4294967296.0;
+}
+
+static cairo_time_t
+do_many_fills_ha (cairo_t *cr, int width, int height, int loops)
+{
+    int count;
+
+    state = 0xc0ffee;
+    for (count = 0; count < 1000; count++) {
+	double y = floor (uniform_random (0, height));
+	double x = floor (uniform_random (0, width));
+	cairo_rectangle (cr, x, y, ceil (uniform_random (0, width)) - x, 1);
+    }
+
+    cairo_perf_timer_start ();
+
+    while (loops--)
+	cairo_fill_preserve (cr);
+
+    cairo_perf_timer_stop ();
+
+    cairo_new_path (cr);
+
+    return cairo_perf_timer_elapsed ();
+}
+
+static cairo_time_t
+do_many_fills_h (cairo_t *cr, int width, int height, int loops)
+{
+    int count;
+
+    state = 0xc0ffee;
+    for (count = 0; count < 1000; count++) {
+	double y = uniform_random (0, height);
+	double x = uniform_random (0, width);
+	cairo_rectangle (cr, x, y, uniform_random (0, width) - x, 1);
+    }
+
+    cairo_perf_timer_start ();
+
+    while (loops--)
+	cairo_fill_preserve (cr);
+
+    cairo_perf_timer_stop ();
+
+    cairo_new_path (cr);
+
+    return cairo_perf_timer_elapsed ();
+}
+
+static cairo_time_t
+do_many_fills_va (cairo_t *cr, int width, int height, int loops)
+{
+    int count;
+
+    state = 0xc0ffee;
+    for (count = 0; count < 1000; count++) {
+	double x = floor (uniform_random (0, width));
+	double y = floor (uniform_random (0, height));
+	cairo_rectangle (cr, x, y, 1, ceil (uniform_random (0, height) - y));
+    }
+
+    cairo_perf_timer_start ();
+
+    while (loops--)
+	cairo_fill_preserve (cr);
+
+    cairo_perf_timer_stop ();
+
+    cairo_new_path (cr);
+
+    return cairo_perf_timer_elapsed ();
+}
+
+static cairo_time_t
+do_many_fills_v (cairo_t *cr, int width, int height, int loops)
+{
+    int count;
+
+    state = 0xc0ffee;
+    for (count = 0; count < 1000; count++) {
+	double x = uniform_random (0, width);
+	double y = uniform_random (0, height);
+	cairo_rectangle (cr, x, y, 1, uniform_random (0, height) - y);
+    }
+
+    cairo_perf_timer_start ();
+
+    while (loops--)
+	cairo_fill_preserve (cr);
+
+    cairo_perf_timer_stop ();
+
+    cairo_new_path (cr);
+
+    return cairo_perf_timer_elapsed ();
+}
+
+static cairo_time_t
+do_many_fills (cairo_t *cr, int width, int height, int loops)
+{
+    int count;
+
+    /* lots and lots of overlapping stroke-like fills */
+    state = 0xc0ffee;
+    for (count = 0; count < 1000; count++) {
+	cairo_save (cr);
+	cairo_translate (cr,
+			 uniform_random (0, width),
+			 uniform_random (0, height));
+	cairo_rotate (cr, uniform_random (-M_PI,M_PI));
+	cairo_rectangle (cr, 0, 0, uniform_random (0, width), 1);
+	cairo_restore (cr);
+    }
+
+    cairo_perf_timer_start ();
+
+    while (loops--)
+	cairo_fill_preserve (cr);
+
+    cairo_perf_timer_stop ();
+
+    cairo_new_path (cr);
+
+    return cairo_perf_timer_elapsed ();
+}
+
+cairo_bool_t
+many_fills_enabled (cairo_perf_t *perf)
+{
+    return cairo_perf_can_run (perf, "many-fills", NULL);
+}
+
+void
+many_fills (cairo_perf_t *perf, cairo_t *cr, int width, int height)
+{
+    cairo_perf_run (perf, "many-fills-halign", do_many_fills_ha, NULL);
+    cairo_perf_run (perf, "many-fills-valign", do_many_fills_va, NULL);
+    cairo_perf_run (perf, "many-fills-horizontal", do_many_fills_h, NULL);
+    cairo_perf_run (perf, "many-fills-vertical", do_many_fills_v, NULL);
+    cairo_perf_run (perf, "many-fills-random", do_many_fills, NULL);
+}