Attachment 3020 Details for Bug 4220 – Benchmark for overlapping vs normal.

Benchmark for overlapping vs normal.

clip-rectangles.c (text/plain), 1.67 KB, created by Richard Stellingwerff on 2005-08-24 11:51:29 UTC

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Creator: Richard Stellingwerff

Created: 2005-08-24 11:51:29 UTC

Size: 1.67 KB

patch

obsolete

>
>#include <string.h>
>#include <stdio.h>
>#include <stdlib.h>
>#include <stdint.h>
>#include <sys/time.h>
>#include <ctype.h>
>#include <unistd.h>
>#include <cairo.h>
>#include "tools.h"
>#include "setup.h"
>
>static int width = 640;
>static int height = 480;
>
>#define rdtscll(val) __asm__ __volatile__("rdtsc" : "=A" (val))
>
>static int overlap = 0;
>
>static int test (cairo_surface_t *surface)
>{
>    uint64_t before = 0;
>    uint64_t after = 0;
>    int nwidth = overlap ? 100 : 99;
>
>    cairo_t *cr;
>
>    cr = cairo_create (surface);
> 
>    rdtscll (before);
>    cairo_identity_matrix (cr);
>    cairo_rectangle (cr, 0,   0,   200,       height);
>    cairo_rectangle (cr, 300, 0,   width-300, height);
>    cairo_rectangle (cr, 200, 0,   nwidth,   200);
>    cairo_rectangle (cr, 200, 300, nwidth,   height-300);
>    cairo_clip      (cr);
>    cairo_new_path  (cr);
>
>    cairo_translate (cr, 0, 0);
>    cairo_rectangle (cr, 0, 0, width, height);
>    cairo_set_source_rgb (cr, 1.0, 0.0, 0.0);
>    cairo_fill (cr);
>    rdtscll (after);
>
>    cairo_destroy (cr);
>
>    return (int) (after - before);
>}
>
>int main( int argc, char **argv )
>{
>    cairo_surface_t *surface;
>    int j;
>
>    surface = output_create_surface (argv [0], width, height);
>
>    if (argc == 2 && !strcmp (argv[1], "1"))
>	    overlap = 1;
>
>    fprintf (stderr, "Testing multiple clip rectangles...\n");
>    test (surface);
>    cairo_surface_write_to_png (surface, "multiple-clip-surfaces-out.png");
>    
>    for (j = 0; j < NUM_RUNS; j++) {
>        int cur = test (surface);
>        fprintf (stderr, "\t%d: %d (%.2f ms)\n", j, cur,
>                 get_milliseconds (cur));
>    }
>
>    cairo_surface_destroy( surface );
>    output_cleanup ();
>    return 0;
>}
>
>
>

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