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#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"
#define NUM_RUNS 64
#define WIDTH 512
#define HEIGHT 512
#define rdtscll(val) __asm__ __volatile__("rdtsc" : "=A" (val))
static int test (cairo_surface_t *surface)
{
uint64_t before = 0;
uint64_t after = 0;
cairo_t *cr;
int i;
cr = cairo_create (surface);
cairo_set_source_rgba (cr, 1.0, 1.0, 1.0, 1.0);
cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
cairo_rectangle (cr, 0, 0, WIDTH, HEIGHT);
cairo_fill (cr);
cairo_set_line_width (cr, 1.0);
cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
cairo_set_source_rgba (cr, 0.0, 0.0, 0.0, 1.0);
rdtscll (before);
for (i = 0; i < WIDTH + 1; i += 16) {
cairo_move_to (cr, 0.5, i + 0.5);
cairo_line_to (cr, i + 0.5, HEIGHT - 0.5);
cairo_stroke (cr);
}
for (i = 0; i < WIDTH + 1; i += 16) {
cairo_move_to (cr, i + 0.5, HEIGHT - 0.5);
cairo_line_to (cr, WIDTH - 0.5, HEIGHT - i - 0.5);
cairo_stroke (cr);
}
for (i = 0; i < WIDTH + 1; i += 16) {
cairo_move_to (cr, WIDTH - 0.5, HEIGHT - i - 0.5);
cairo_line_to (cr, WIDTH - i - 0.5, 0.5);
cairo_stroke (cr);
}
for (i = 0; i < WIDTH + 1; i += 16) {
cairo_move_to (cr, WIDTH - i - 0.5, 0.5);
cairo_line_to (cr, 0.5, i + 0.5);
cairo_stroke (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);
fprintf (stderr, "Testing lines...\n");
test (surface);
cairo_surface_write_to_png (surface, "lines-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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