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/*
* Copyright © 2012 Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authored by: Alan Griffiths <alan@octopull.co.uk>
*/
#include "mir_toolkit/mir_client_library.h"
#include <assert.h>
#include <signal.h>
#include <string.h>
#include <stdio.h>
#include <unistd.h>
#include <getopt.h>
#include <stdint.h>
#include <time.h>
static char const *socket_file = NULL;
static void render_pattern(MirGraphicsRegion *region, uint32_t pf)
{
char *row = region->vaddr;
int j;
for (j = 0; j < region->height; j++)
{
int i;
uint32_t *pixel = (uint32_t*)row;
for (i = 0; i < region->width; i++)
{
pixel[i] = pf;
}
row += region->stride;
}
}
static MirPixelFormat find_8888_format(MirPixelFormat *formats, unsigned int num_formats)
{
MirPixelFormat pf = mir_pixel_format_invalid;
for (unsigned int i = 0; i < num_formats; ++i)
{
MirPixelFormat cur_pf = formats[i];
if (cur_pf == mir_pixel_format_abgr_8888 ||
cur_pf == mir_pixel_format_xbgr_8888 ||
cur_pf == mir_pixel_format_argb_8888 ||
cur_pf == mir_pixel_format_xrgb_8888)
{
pf = cur_pf;
break;
}
}
assert(pf != mir_pixel_format_invalid);
return pf;
}
static void fill_pattern(uint32_t pattern[2], MirPixelFormat pf)
{
switch(pf)
{
case mir_pixel_format_abgr_8888:
case mir_pixel_format_xbgr_8888:
pattern[0] = 0xFF00FF00;
pattern[1] = 0xFFFF0000;
break;
case mir_pixel_format_argb_8888:
case mir_pixel_format_xrgb_8888:
pattern[0] = 0xFF00FF00;
pattern[1] = 0xFF0000FF;
break;
default:
assert(0 && "Invalid pixel format");
};
}
int main(int argc, char* argv[])
{
MirConnection *connection = 0;
MirSurface *surface = 0;
int swapinterval = 1;
int arg;
opterr = 0;
while ((arg = getopt (argc, argv, "qhnm:")) != -1)
{
switch (arg)
{
case 'm':
socket_file = optarg;
break;
case 'n':
swapinterval = 0;
break;
case 'q':
{
FILE *unused = freopen("/dev/null", "a", stdout);
(void)unused;
break;
}
case '?':
case 'h':
default:
printf("Usage: %s [<options>]\n"
" -m <Mir server socket> Connect to a specific Mir socket\n"
" -h Show this help text\n"
" -n Don't sync to vblank\n"
" -q Quiet mode (no messages output)\n"
, argv[0]);
return -1;
}
}
puts("Starting");
connection = mir_connect_sync(socket_file, __PRETTY_FUNCTION__);
assert(connection != NULL);
assert(mir_connection_is_valid(connection));
assert(strcmp(mir_connection_get_error_message(connection), "") == 0);
puts("Connected");
unsigned int const num_formats = 32;
MirPixelFormat pixel_formats[num_formats];
unsigned int valid_formats;
mir_connection_get_available_surface_formats(connection, pixel_formats, num_formats, &valid_formats);
MirPixelFormat pixel_format = find_8888_format(pixel_formats, valid_formats);
MirSurfaceSpec *spec =
mir_connection_create_spec_for_normal_surface(connection, 640, 480, pixel_format);
assert(spec != NULL);
mir_surface_spec_set_name(spec, __PRETTY_FUNCTION__);
mir_surface_spec_set_buffer_usage(spec, mir_buffer_usage_software);
surface = mir_surface_create_sync(spec);
mir_surface_spec_release(spec);
assert(surface != NULL);
assert(mir_surface_is_valid(surface));
assert(strcmp(mir_surface_get_error_message(surface), "") == 0);
puts("Surface created");
mir_surface_set_swapinterval(surface, swapinterval);
uint32_t pattern[2] = {0};
fill_pattern(pattern, pixel_format);
MirGraphicsRegion graphics_region;
int i=0;
while (1)
{
mir_surface_get_graphics_region( surface, &graphics_region);
i++;
render_pattern(&graphics_region, pattern[i & 1]);
mir_surface_swap_buffers_sync(surface);
}
mir_surface_release_sync(surface);
puts("Surface released");
mir_connection_release(connection);
puts("Connection released");
return 0;
}
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