102 lines
2.8 KiB
C
102 lines
2.8 KiB
C
/*
|
|
* Copyright (c) 2019 Andri Yngvason
|
|
*
|
|
* Permission to use, copy, modify, and/or distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
|
|
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
|
|
* AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
|
|
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
|
|
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
|
|
* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
|
|
* PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#include "neatvnc.h"
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <uv.h>
|
|
#include <assert.h>
|
|
#include <pixman.h>
|
|
#include <libdrm/drm_fourcc.h>
|
|
|
|
struct draw {
|
|
struct nvnc_fb* fb;
|
|
};
|
|
|
|
void on_fb_req(struct nvnc_client *client, bool incremental, uint16_t x, uint16_t y,
|
|
uint16_t width, uint16_t height)
|
|
{
|
|
if (incremental)
|
|
return;
|
|
|
|
struct nvnc* server = nvnc_get_server(client);
|
|
assert(server);
|
|
|
|
struct draw *draw = nvnc_get_userdata(server);
|
|
assert(draw);
|
|
|
|
int fbwidth = nvnc_fb_get_width(draw->fb);
|
|
int fbheight = nvnc_fb_get_height(draw->fb);
|
|
|
|
struct pixman_region16 region;
|
|
pixman_region_init_rect(®ion, 0, 0, fbwidth, fbheight);
|
|
nvnc_update_fb(server, draw->fb, ®ion, NULL);
|
|
pixman_region_fini(®ion);
|
|
}
|
|
|
|
void on_pointer_event(struct nvnc_client *client, uint16_t x, uint16_t y,
|
|
enum nvnc_button_mask buttons)
|
|
{
|
|
if (!(buttons & NVNC_BUTTON_LEFT))
|
|
return;
|
|
|
|
struct nvnc *server = nvnc_get_server(client);
|
|
assert(server);
|
|
|
|
struct draw *draw = nvnc_get_userdata(server);
|
|
assert(draw);
|
|
|
|
uint32_t *image = nvnc_fb_get_addr(draw->fb);
|
|
int width = nvnc_fb_get_width(draw->fb);
|
|
int height = nvnc_fb_get_height(draw->fb);
|
|
|
|
image[x + y * width] = 0;
|
|
|
|
struct pixman_region16 region;
|
|
pixman_region_init_rect(®ion, 0, 0, width, height);
|
|
pixman_region_intersect_rect(®ion, ®ion, x, y, 1, 1);
|
|
nvnc_update_fb(server, draw->fb, ®ion, NULL);
|
|
pixman_region_fini(®ion);
|
|
}
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
struct draw draw;
|
|
|
|
int width = 500, height = 500;
|
|
uint32_t format = DRM_FORMAT_RGBX8888;
|
|
draw.fb = nvnc_fb_new(width, height, format);
|
|
assert(draw.fb);
|
|
|
|
void* addr = nvnc_fb_get_addr(draw.fb);
|
|
|
|
memset(addr, 0xff, width * height * 4);
|
|
|
|
struct nvnc *server = nvnc_open("127.0.0.1", 5900);
|
|
|
|
nvnc_set_dimensions(server, width, height, format);
|
|
nvnc_set_name(server, "Draw");
|
|
nvnc_set_fb_req_fn(server, on_fb_req);
|
|
nvnc_set_pointer_fn(server, on_pointer_event);
|
|
nvnc_set_userdata(server, &draw);
|
|
|
|
uv_run(uv_default_loop(), UV_RUN_DEFAULT);
|
|
|
|
nvnc_close(server);
|
|
}
|