fdo-mirrors/cairo
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/cairo/cairo.git synced 2026-05-06 09:18:11 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

perf/micro: Add measurement of setting the pixel directly using pixman

Browse source 
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2011-09-12 13:18:29 +01:00
parent 7b6586a738
commit 0f26f75eda
1 changed files with 38 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

38
perf/micro/pixel.c
View file

@ -28,6 +28,43 @@
#include "cairo-perf.h"
#include <pixman.h>
static cairo_time_t
pixel_direct (cairo_t *cr, int width, int height, int loops)
{
cairo_surface_t *surface, *image;
uint32_t *data;
int stride, bpp;
surface = cairo_get_target (cr);
image = cairo_surface_map_to_image (surface, NULL);
data = (uint32_t *) cairo_image_surface_get_data (image);
stride = cairo_image_surface_get_stride (image) / sizeof (uint32_t);
switch (cairo_image_surface_get_format (image)) {
default:
case CAIRO_FORMAT_INVALID:
case CAIRO_FORMAT_A1: bpp = 0; break;
case CAIRO_FORMAT_A8: bpp = 8; break;
case CAIRO_FORMAT_RGB16_565: bpp = 16; break;
case CAIRO_FORMAT_RGB24:
case CAIRO_FORMAT_RGB30:
case CAIRO_FORMAT_ARGB32: bpp = 32; break;
}
cairo_perf_timer_start ();
while (loops--)
pixman_fill (data, stride, bpp, 0, 0, 1, 1, -1);
cairo_perf_timer_stop ();
cairo_surface_unmap_image (surface, image);
return cairo_perf_timer_elapsed ();
}
static cairo_time_t
pixel_paint (cairo_t *cr, int width, int height, int loops)
{
@ -167,6 +204,7 @@ pixel (cairo_perf_t *perf, cairo_t *cr, int width, int height)
{
cairo_set_source_rgb (cr, 1., 1., 1.);
cairo_perf_run (perf, "pixel-direct", pixel_direct, NULL);
cairo_perf_run (perf, "pixel-paint", pixel_paint, NULL);
cairo_perf_run (perf, "pixel-mask", pixel_mask, NULL);
cairo_perf_run (perf, "pixel-rectangle", pixel_rectangle, NULL);