[cairo-commit] perf/cairo-perf.h perf/cairo-perf-micro.c perf/micro
Chris Wilson
ickle at kemper.freedesktop.org
Tue Aug 9 12:19:53 PDT 2011
perf/cairo-perf-micro.c | 1
perf/cairo-perf.h | 1
perf/micro/Makefile.sources | 1
perf/micro/curve.c | 108 ++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 111 insertions(+)
New commits:
commit d22cf3dfbeebcdd03fc17f367f54b7d2ebed2075
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date: Tue Aug 9 20:12:42 2011 +0100
perf: add curve
Time how long it takes to stroke and fill a single Bezier curve.
Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
diff --git a/perf/cairo-perf-micro.c b/perf/cairo-perf-micro.c
index 6c8bbba..1107139 100644
--- a/perf/cairo-perf-micro.c
+++ b/perf/cairo-perf-micro.c
@@ -544,6 +544,7 @@ const cairo_perf_case_t perf_cases[] = {
{ text, 64, 512},
{ glyphs, 64, 512},
{ mask, 64, 512},
+ { curve, 64, 512},
{ disjoint, 64, 512},
{ hatching, 64, 512},
{ tessellate, 100, 100},
diff --git a/perf/cairo-perf.h b/perf/cairo-perf.h
index 9768fc8..3921222 100644
--- a/perf/cairo-perf.h
+++ b/perf/cairo-perf.h
@@ -214,5 +214,6 @@ CAIRO_PERF_DECL (wave);
CAIRO_PERF_DECL (many_strokes);
CAIRO_PERF_DECL (many_fills);
CAIRO_PERF_DECL (many_curves);
+CAIRO_PERF_DECL (curve);
#endif
diff --git a/perf/micro/Makefile.sources b/perf/micro/Makefile.sources
index d571c15..5de4d43 100644
--- a/perf/micro/Makefile.sources
+++ b/perf/micro/Makefile.sources
@@ -31,6 +31,7 @@ libcairo_perf_micro_sources = \
many-strokes.c \
many-fills.c \
many-curves.c \
+ curve.c \
spiral.c \
$(NULL)
diff --git a/perf/micro/curve.c b/perf/micro/curve.c
new file mode 100644
index 0000000..8ff58db
--- /dev/null
+++ b/perf/micro/curve.c
@@ -0,0 +1,108 @@
+/*
+ * 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 at chris-wilson.co.uk>
+ */
+
+#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_perf_ticks_t
+do_curve_stroke (cairo_t *cr, int width, int height, int loops)
+{
+ state = 0xc0ffee;
+ cairo_set_line_width (cr, 2.);
+ cairo_perf_timer_start ();
+
+ while (loops--) {
+ double x1 = uniform_random (0, width);
+ double x2 = uniform_random (0, width);
+ double x3 = uniform_random (0, width);
+ double y1 = uniform_random (0, height);
+ double y2 = uniform_random (0, height);
+ double y3 = uniform_random (0, height);
+ cairo_move_to (cr, uniform_random (0, width), uniform_random (0, height));
+ cairo_curve_to (cr, x1, y1, x2, y2, x3, y3);
+ cairo_stroke(cr);
+ }
+
+ cairo_perf_timer_stop ();
+
+ return cairo_perf_timer_elapsed ();
+}
+
+static cairo_perf_ticks_t
+do_curve_fill (cairo_t *cr, int width, int height, int loops)
+{
+ state = 0xc0ffee;
+ cairo_perf_timer_start ();
+
+ while (loops--) {
+ double x0 = uniform_random (0, width);
+ double x1 = uniform_random (0, width);
+ double x2 = uniform_random (0, width);
+ double x3 = uniform_random (0, width);
+ double xm = uniform_random (0, width);
+ double xn = uniform_random (0, width);
+ double y0 = uniform_random (0, height);
+ double y1 = uniform_random (0, height);
+ double y2 = uniform_random (0, height);
+ double y3 = uniform_random (0, height);
+ double ym = uniform_random (0, height);
+ double yn = uniform_random (0, height);
+
+ cairo_move_to (cr, xm, ym);
+ cairo_curve_to (cr, x1, y1, x2, y2, xn, yn);
+ cairo_curve_to (cr, x3, y3, x0, y0, xm, ym);
+ cairo_close_path (cr);
+
+ cairo_fill(cr);
+ }
+
+ cairo_perf_timer_stop ();
+
+ return cairo_perf_timer_elapsed ();
+}
+
+void
+curve (cairo_perf_t *perf, cairo_t *cr, int width, int height)
+{
+ if (! cairo_perf_can_run (perf, "curve", NULL))
+ return;
+
+ cairo_set_source_rgb (cr, 1., 1., 1.);
+
+ cairo_perf_run (perf, "curve-stroked", do_curve_stroke, NULL);
+ cairo_perf_run (perf, "curve-filled", do_curve_fill, NULL);
+}
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