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-rw-r--r--perf/micro/paint-with-alpha.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/perf/micro/paint-with-alpha.c b/perf/micro/paint-with-alpha.c
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+++ b/perf/micro/paint-with-alpha.c
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+/*
+ * Copyright © 2006 Red Hat, Inc.
+ *
+ * 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
+ * Red Hat, Inc. not be used in advertising or publicity pertaining to
+ * distribution of the software without specific, written prior
+ * permission. Red Hat, Inc. makes no representations about the
+ * suitability of this software for any purpose. It is provided "as
+ * is" without express or implied warranty.
+ *
+ * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL RED HAT, INC. 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.
+ *
+ * Author: Carl D. Worth <cworth@cworth.org>
+ */
+
+#include "cairo-perf.h"
+
+static cairo_time_t
+do_paint_with_alpha (cairo_t *cr, int width, int height, int loops)
+{
+ cairo_perf_timer_start ();
+
+ while (loops--)
+ cairo_paint_with_alpha (cr, 0.5);
+
+ cairo_perf_timer_stop ();
+
+ return cairo_perf_timer_elapsed ();
+}
+
+static double
+count_paint_with_alpha (cairo_t *cr, int width, int height)
+{
+ return width * height / 1e6; /* Mpix/s */
+}
+
+cairo_bool_t
+paint_with_alpha_enabled (cairo_perf_t *perf)
+{
+ return cairo_perf_can_run (perf, "paint-with-alpha", NULL);
+}
+
+void
+paint_with_alpha (cairo_perf_t *perf, cairo_t *cr, int width, int height)
+{
+ cairo_perf_cover_sources_and_operators (perf, "paint-with-alpha",
+ do_paint_with_alpha,
+ count_paint_with_alpha);
+}