mirror of
https://gitlab.freedesktop.org/cairo/cairo.git
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72481acf0d
Provide a hook for the test to be able to compute the number of ops per second. For instance, the glyphs test uses it to report the number of kiloglyph per second Cairo is able to render.
349 lines
9.9 KiB
C
349 lines
9.9 KiB
C
/* -*- Mode: c; tab-width: 8; c-basic-offset: 4; indent-tabs-mode: t; -*- */
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/* cairo - a vector graphics library with display and print output
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*
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* Copyright (c) 2008 M Joonas Pihlaja
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <assert.h>
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#include "cairo-perf.h"
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#define MAX_SEGMENTS 2560
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typedef enum {
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PIXALIGN, /* pixel aligned path */
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NONALIGN /* unaligned path. */
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} align_t;
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typedef enum {
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RECTCLOSE, /* keeps the path rectilinear */
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DIAGCLOSE /* forces a diagonal */
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} close_t;
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static cairo_perf_ticks_t
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draw_spiral (cairo_t *cr,
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cairo_fill_rule_t fill_rule,
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align_t align,
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close_t close,
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int width, int height, int loops)
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{
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int i;
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int n=0;
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double x[MAX_SEGMENTS];
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double y[MAX_SEGMENTS];
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int step = 3;
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int side = width < height ? width : height;
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assert(5*(side/step/2+1)+2 < MAX_SEGMENTS);
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#define L(x_,y_) (x[n] = (x_), y[n] = (y_), n++)
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#define M(x_,y_) L(x_,y_)
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#define v(t) L(x[n-1], y[n-1] + (t))
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#define h(t) L(x[n-1] + (t), y[n-1])
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switch (align) {
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case PIXALIGN: M(0,0); break;
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case NONALIGN: M(0.1415926, 0.7182818); break;
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}
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while (side >= step && side >= 0) {
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v(side);
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h(side);
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v(-side);
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h(-side+step);
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v(step);
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side -= 2*step;
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}
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switch (close) {
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case RECTCLOSE: L(x[n-1],y[0]); break;
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case DIAGCLOSE: L(x[0],y[0]); break;
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}
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assert(n < MAX_SEGMENTS);
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cairo_save (cr);
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cairo_set_source_rgb (cr, 0, 0, 0);
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cairo_paint (cr);
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cairo_translate (cr, 1, 1);
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cairo_set_fill_rule (cr, fill_rule);
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cairo_set_source_rgb (cr, 1, 0, 0);
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cairo_new_path (cr);
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cairo_move_to (cr, x[0], y[0]);
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for (i = 1; i < n; i++) {
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cairo_line_to (cr, x[i], y[i]);
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}
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cairo_close_path (cr);
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cairo_perf_timer_start ();
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while (loops--)
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cairo_fill_preserve (cr);
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cairo_perf_timer_stop ();
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cairo_restore (cr);
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return cairo_perf_timer_elapsed ();
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}
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static cairo_perf_ticks_t
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draw_spiral_box (cairo_t *cr,
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cairo_fill_rule_t fill_rule,
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align_t align,
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int width, int height, int loops)
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{
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const int step = 3;
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int side = (width < height ? width : height) - 2;
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cairo_save (cr);
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cairo_set_source_rgb (cr, 0, 0, 0);
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cairo_paint (cr);
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cairo_set_source_rgb (cr, 1, 0, 0);
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cairo_set_fill_rule (cr, fill_rule);
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cairo_translate (cr, 1, 1);
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if (align == NONALIGN)
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cairo_translate (cr, 0.1415926, 0.7182818);
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cairo_new_path (cr);
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while (side >= step) {
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cairo_rectangle (cr, 0, 0, side, side);
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cairo_translate (cr, step, step);
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side -= 2*step;
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}
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cairo_perf_timer_start ();
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while (loops--)
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cairo_fill_preserve (cr);
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cairo_perf_timer_stop ();
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cairo_restore (cr);
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return cairo_perf_timer_elapsed ();
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}
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static cairo_perf_ticks_t
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draw_spiral_stroke (cairo_t *cr,
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align_t align,
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int width, int height, int loops)
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{
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const int step = 3;
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int side = width < height ? width : height;
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cairo_save (cr);
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cairo_set_source_rgb (cr, 0, 0, 0);
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cairo_paint (cr);
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cairo_translate (cr, 1, 1);
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cairo_set_source_rgb (cr, 1, 0, 0);
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cairo_set_line_width (cr, 4.);
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cairo_set_line_join (cr, CAIRO_LINE_JOIN_MITER);
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cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT);
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cairo_new_path (cr);
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switch (align) {
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case PIXALIGN: cairo_move_to (cr, 0,0); break;
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case NONALIGN: cairo_move_to (cr, 0.1415926, 0.7182818); break;
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}
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while (side >= step) {
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cairo_rel_line_to (cr, 0, side);
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side -= step;
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if (side <= 0)
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break;
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cairo_rel_line_to (cr, side, 0);
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side -= step;
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if (side <= 0)
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break;
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cairo_rel_line_to (cr, 0, -side);
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side -= step;
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if (side <= 0)
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break;
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cairo_rel_line_to (cr, -side, 0);
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side -= step;
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if (side <= 0)
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break;
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}
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cairo_perf_timer_start ();
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while (loops--)
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cairo_stroke_preserve (cr);
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cairo_perf_timer_stop ();
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cairo_restore (cr);
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return cairo_perf_timer_elapsed ();
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}
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static cairo_perf_ticks_t
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draw_spiral_eo_pa_re (cairo_t *cr, int width, int height, int loops)
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{
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return draw_spiral (cr,
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CAIRO_FILL_RULE_EVEN_ODD,
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PIXALIGN,
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RECTCLOSE,
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width, height, loops);
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}
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static cairo_perf_ticks_t
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draw_spiral_nz_pa_re (cairo_t *cr, int width, int height, int loops)
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{
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return draw_spiral (cr,
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CAIRO_FILL_RULE_WINDING,
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PIXALIGN,
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RECTCLOSE,
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width, height, loops);
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}
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static cairo_perf_ticks_t
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draw_spiral_eo_na_re (cairo_t *cr, int width, int height, int loops)
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{
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return draw_spiral (cr,
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CAIRO_FILL_RULE_EVEN_ODD,
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NONALIGN,
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RECTCLOSE,
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width, height, loops);
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}
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static cairo_perf_ticks_t
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draw_spiral_nz_na_re (cairo_t *cr, int width, int height, int loops)
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{
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return draw_spiral (cr,
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CAIRO_FILL_RULE_WINDING,
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NONALIGN,
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RECTCLOSE,
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width, height, loops);
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}
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static cairo_perf_ticks_t
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draw_spiral_eo_pa_di (cairo_t *cr, int width, int height, int loops)
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{
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return draw_spiral (cr,
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CAIRO_FILL_RULE_EVEN_ODD,
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PIXALIGN,
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DIAGCLOSE,
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width, height, loops);
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}
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static cairo_perf_ticks_t
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draw_spiral_nz_pa_di (cairo_t *cr, int width, int height, int loops)
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{
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return draw_spiral (cr,
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CAIRO_FILL_RULE_WINDING,
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PIXALIGN,
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DIAGCLOSE,
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width, height, loops);
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}
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static cairo_perf_ticks_t
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draw_spiral_eo_na_di (cairo_t *cr, int width, int height, int loops)
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{
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return draw_spiral (cr,
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CAIRO_FILL_RULE_EVEN_ODD,
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NONALIGN,
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DIAGCLOSE,
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width, height, loops);
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}
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static cairo_perf_ticks_t
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draw_spiral_nz_na_di (cairo_t *cr, int width, int height, int loops)
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{
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return draw_spiral (cr,
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CAIRO_FILL_RULE_WINDING,
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NONALIGN,
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DIAGCLOSE,
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width, height, loops);
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}
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static cairo_perf_ticks_t
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draw_spiral_nz_pa_box (cairo_t *cr, int width, int height, int loops)
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{
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return draw_spiral_box (cr,
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CAIRO_FILL_RULE_WINDING, PIXALIGN,
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width, height, loops);
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}
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static cairo_perf_ticks_t
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draw_spiral_nz_na_box (cairo_t *cr, int width, int height, int loops)
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{
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return draw_spiral_box (cr,
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CAIRO_FILL_RULE_WINDING, NONALIGN,
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width, height, loops);
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}
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static cairo_perf_ticks_t
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draw_spiral_eo_pa_box (cairo_t *cr, int width, int height, int loops)
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{
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return draw_spiral_box (cr,
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CAIRO_FILL_RULE_EVEN_ODD, PIXALIGN,
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width, height, loops);
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}
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static cairo_perf_ticks_t
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draw_spiral_eo_na_box (cairo_t *cr, int width, int height, int loops)
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{
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return draw_spiral_box (cr,
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CAIRO_FILL_RULE_EVEN_ODD, NONALIGN,
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width, height, loops);
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}
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static cairo_perf_ticks_t
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draw_spiral_stroke_pa (cairo_t *cr, int width, int height, int loops)
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{
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return draw_spiral_stroke (cr,
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PIXALIGN,
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width, height, loops);
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}
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static cairo_perf_ticks_t
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draw_spiral_stroke_na (cairo_t *cr, int width, int height, int loops)
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{
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return draw_spiral_stroke (cr,
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NONALIGN,
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width, height, loops);
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}
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void
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spiral (cairo_perf_t *perf, cairo_t *cr, int width, int height)
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{
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if (! cairo_perf_can_run (perf, "spiral", NULL))
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return;
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cairo_perf_run (perf, "spiral-box-nonalign-evenodd-fill", draw_spiral_eo_na_box, NULL);
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cairo_perf_run (perf, "spiral-box-nonalign-nonzero-fill", draw_spiral_nz_na_box, NULL);
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cairo_perf_run (perf, "spiral-box-pixalign-evenodd-fill", draw_spiral_eo_pa_box, NULL);
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cairo_perf_run (perf, "spiral-box-pixalign-nonzero-fill", draw_spiral_nz_pa_box, NULL);
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cairo_perf_run (perf, "spiral-diag-nonalign-evenodd-fill", draw_spiral_eo_na_di, NULL);
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cairo_perf_run (perf, "spiral-diag-nonalign-nonzero-fill", draw_spiral_nz_na_di, NULL);
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cairo_perf_run (perf, "spiral-diag-pixalign-evenodd-fill", draw_spiral_eo_pa_di, NULL);
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cairo_perf_run (perf, "spiral-diag-pixalign-nonzero-fill", draw_spiral_nz_pa_di, NULL);
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cairo_perf_run (perf, "spiral-rect-nonalign-evenodd-fill", draw_spiral_eo_na_re, NULL);
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cairo_perf_run (perf, "spiral-rect-nonalign-nonzero-fill", draw_spiral_nz_na_re, NULL);
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cairo_perf_run (perf, "spiral-rect-pixalign-evenodd-fill", draw_spiral_eo_pa_re, NULL);
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cairo_perf_run (perf, "spiral-rect-pixalign-nonzero-fill", draw_spiral_nz_pa_re, NULL);
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cairo_perf_run (perf, "spiral-nonalign-stroke", draw_spiral_stroke_na, NULL);
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cairo_perf_run (perf, "spiral-pixalign-stroke", draw_spiral_stroke_pa, NULL);
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}
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