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xrdp/uirdesktop/dfb.c
jsorg71 bb04b348e8 added wfp and a check before bliting
2006-08-05 01:58:01 +00:00

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/* -*- c-basic-offset: 8 -*-
rdesktop: A Remote Desktop Protocol client.
directfb calls
Copyright (C) Jay Sorg 2006
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
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, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
//#define USE_FLIPPING
#define USE_ORDERS
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include <fcntl.h>
#include <directfb.h>
#include <pthread.h>
#include "uimain.h"
extern char g_username[];
extern char g_hostname[];
extern char g_servername[];
extern char g_password[];
extern char g_shell[];
extern char g_directory[];
extern char g_domain[];
extern int g_width;
extern int g_height;
extern int g_tcp_sck;
extern int g_server_depth;
extern int g_tcp_port_rdp; /* in tcp.c */
extern int g_bytes_in;
extern int pal_entries[];
extern char * g_bs;
static DFBRegion g_reg;
static pthread_mutex_t g_mutex1 = PTHREAD_MUTEX_INITIALIZER;
/* direct frame buffer stuff */
static IDirectFB * g_dfb = 0;
static IDirectFBSurface * g_primary = 0;
static IDirectFBEventBuffer * g_event = 0;
static DFBRectangle g_rect = {0, 0, 0, 0};
struct cursor
{
unsigned char andmask[32 * 32];
unsigned char xormask[32 * 32];
int x;
int y;
int w;
int h;
};
static struct cursor g_mcursor; /* current mouse */
static int g_mouse_x = 0;
static int g_mouse_y = 0;
static IDirectFBSurface * g_s = 0;
static int g_wfpx = 0; /* wait for pixel stuff */
static int g_wfpy = 0;
static int g_wfpv = 0;
static int g_show_wfp = 0;
static int g_no_draw = 0; /* this means don't draw the screen but draw on
backingstore */
/* for transparent colour */
static int g_use_trans = 0;
static int g_trans_colour = 0;
//static IDirectFBDataBuffer * g_buffer = 0;
//static IDirectFBImageProvider * g_provider = 0;
/*****************************************************************************/
void
mi_error(char * msg)
{
printf(msg);
}
/*****************************************************************************/
void
mi_warning(char * msg)
{
printf(msg);
}
/*****************************************************************************/
int
mi_read_keyboard_state(void)
{
return 0;
}
/*****************************************************************************/
/* returns non zero if ok */
int
mi_create_window(void)
{
g_primary->SetColor(g_primary, 0, 0, 0, 0xff);
g_primary->FillRectangle(g_primary, 0, 0, g_width, g_height);
return 1;
}
/*****************************************************************************/
void
mi_update_screen(void)
{
int r;
int g;
int b;
if (g_no_draw)
{
return;
}
if (g_rect.w > 0 && g_rect.h > 0)
{
#ifdef USE_ORDERS_NOT
DFBRegion reg;
reg.x1 = 0;
reg.y1 = 0;
reg.x2 = g_width;
reg.y2 = g_height;
g_primary->SetClip(g_primary, &reg);
#endif
#ifdef USE_FLIPPING
g_primary->Blit(g_primary, g_primary, 0, 0, 0);
g_primary->Blit(g_primary, g_s, &g_rect, g_rect.x, g_rect.y);
g_primary->Flip(g_primary, 0, 0);
#else
g_primary->Blit(g_primary, g_s, &g_rect, g_rect.x, g_rect.y);
if (g_use_trans)
{
r = (g_trans_colour >> 16) & 0xff;
g = (g_trans_colour >> 8) & 0xff;
b = g_trans_colour & 0xff;
g_primary->SetDrawingFlags(g_primary, DSDRAW_DST_COLORKEY);
g_primary->SetDstColorKey(g_primary, r, g, b);
g_primary->SetColor(g_primary, r, g, b, 0);
g_primary->FillRectangle(g_primary, g_rect.x, g_rect.y, g_rect.w, g_rect.h);
g_primary->SetDrawingFlags(g_primary, DSDRAW_NOFX);
}
#endif
#ifdef USE_ORDERS_NOT
g_primary->SetClip(g_primary, &g_reg);
#endif
}
g_rect.x = 0;
g_rect.y = 0;
g_rect.w = 0;
g_rect.h = 0;
}
/*****************************************************************************/
void process_event(DFBEvent * event)
{
DFBInputEvent * input_event;
int mouse_x;
int mouse_y;
mouse_x = g_mouse_x + g_mcursor.x;
mouse_y = g_mouse_y + g_mcursor.y;
if (event->clazz == DFEC_INPUT)
{
input_event = (DFBInputEvent *) event;
if (input_event->type == DIET_AXISMOTION)
{
if (input_event->flags & DIEF_AXISABS)
{
if (input_event->axis == DIAI_X)
{
mouse_x = input_event->axisabs;
}
else if (input_event->axis == DIAI_Y)
{
mouse_y = input_event->axisabs;
}
}
if (input_event->flags & DIEF_AXISREL)
{
if (input_event->axis == DIAI_X)
{
mouse_x += input_event->axisrel;
}
else if (input_event->axis == DIAI_Y)
{
mouse_y += input_event->axisrel;
}
}
mouse_x = UI_MAX(mouse_x, 0);
mouse_x = UI_MIN(mouse_x, g_width - 1);
mouse_y = UI_MAX(mouse_y, 0);
mouse_y = UI_MIN(mouse_y, g_height - 1);
ui_mouse_move(mouse_x, mouse_y);
}
else if (input_event->type == DIET_BUTTONPRESS)
{
if (input_event->button == DIBI_LEFT)
{
ui_mouse_button(1, mouse_x, mouse_y, 1);
//rdp_send_input(0, RDP_INPUT_MOUSE,
// MOUSE_FLAG_DOWN | MOUSE_FLAG_BUTTON1,
// mouse_x, mouse_y);
}
else if (input_event->button == DIBI_RIGHT)
{
//mi_update_screen();
ui_mouse_button(2, mouse_x, mouse_y, 1);
// invalidate(0, 0, g_width, g_height);
//rdp_send_input(0, RDP_INPUT_MOUSE,
// MOUSE_FLAG_DOWN | MOUSE_FLAG_BUTTON2,
// mouse_x, mouse_y);
}
else if (input_event->button == DIBI_MIDDLE)
{
ui_mouse_button(3, mouse_x, mouse_y, 1);
}
}
else if (input_event->type == DIET_BUTTONRELEASE)
{
if (input_event->button == DIBI_LEFT)
{
ui_mouse_button(1, mouse_x, mouse_y, 0);
//rdp_send_input(0, RDP_INPUT_MOUSE,
// MOUSE_FLAG_BUTTON1,
// mouse_x, mouse_y);
}
else if (input_event->button == DIBI_RIGHT)
{
ui_mouse_button(2, mouse_x, mouse_y, 0);
//rdp_send_input(0, RDP_INPUT_MOUSE,
// MOUSE_FLAG_BUTTON2,
// mouse_x, mouse_y);
}
else if (input_event->button == DIBI_MIDDLE)
{
ui_mouse_button(3, mouse_x, mouse_y, 0);
}
}
else if (input_event->type == DIET_KEYPRESS)
{
//printf("hi1 %d\n", input_event->key_id);
return;
}
else if (input_event->type == DIET_KEYRELEASE)
{
//printf("hi2 %d\n", input_event->key_id);
return;
}
}
g_mouse_x = mouse_x - g_mcursor.x;
g_mouse_y = mouse_y - g_mcursor.y;
// printf("%d %d\n", g_mouse_x, g_mouse_y);
g_primary->SetColor(g_primary, 0, 0, 0, 0xff);
g_primary->FillRectangle(g_primary, g_mouse_x, g_mouse_y, 5, 5);
// draw_mouse();
}
/*****************************************************************************/
int
mi_main_loop(void)
{
fd_set rfds;
int rv;
int fd;
DFBEvent event[10];
struct timeval tv;
fd = g_tcp_sck;
FD_ZERO(&rfds);
FD_SET(g_tcp_sck, &rfds);
tv.tv_sec = 0;
tv.tv_usec = 0;
rv = select(fd + 1, &rfds, 0, 0, &tv);
while (rv > -1)
{
if (g_event->HasEvent(g_event) == DFB_OK)
{
if (g_event->GetEvent(g_event, &event[0]) == 0)
{
process_event(&event[0]);
}
}
if (rv > 0)
{
if (FD_ISSET(g_tcp_sck, &rfds))
{
if (!ui_read_wire())
{
return 0;
}
}
}
else
{
//usleep(1000000 / 60);
usleep(0);
}
FD_ZERO(&rfds);
FD_SET(g_tcp_sck, &rfds);
tv.tv_sec = 0;
tv.tv_usec = 0;
rv = select(fd + 1, &rfds, 0, 0, &tv);
}
return 0;
}
/*****************************************************************************/
void
mi_add_to(int x, int y, int cx, int cy)
{
int right;
int bottom;
if (g_rect.h == 0 && g_rect.w == 0)
{
g_rect.x = x;
g_rect.y = y;
g_rect.w = cx;
g_rect.h = cy;
}
else
{
right = g_rect.x + g_rect.w;
bottom = g_rect.y + g_rect.h;
if (x + cx > right)
{
right = x + cx;
}
if (y + cy > bottom)
{
bottom = y + cy;
}
if (x < g_rect.x)
{
g_rect.x = x;
}
if (y < g_rect.y)
{
g_rect.y = y;
}
g_rect.w = right - g_rect.x;
g_rect.h = bottom - g_rect.y;
}
}
/*****************************************************************************/
void
mi_invalidate(int x, int y, int cx, int cy)
{
mi_add_to(x, y, cx, cy);
mi_update_screen();
}
/*****************************************************************************/
void *
update_thread(void * arg)
{
struct timeval ltime;
struct timeval ntime;
int nsecs;
gettimeofday(&ltime, 0);
while (g_bs != 0)
{
gettimeofday(&ntime, 0);
nsecs = (ntime.tv_sec - ltime.tv_sec) * 1000000 + (ntime.tv_usec - ltime.tv_usec);
nsecs = (1000000 / 12) - nsecs;
if (nsecs < 0)
{
nsecs = 0;
}
usleep(nsecs);
gettimeofday(&ltime, 0);
pthread_mutex_lock(&g_mutex1);
mi_update_screen();
pthread_mutex_unlock(&g_mutex1);
}
return 0;
}
/*****************************************************************************/
/* return boolean */
int
mi_create_bs(void)
{
//pthread_t thread;
DFBSurfaceDescription dsc;
g_bs = malloc(g_width * g_height * 4);
dsc.flags = DSDESC_CAPS | DSDESC_WIDTH | DSDESC_HEIGHT |
DSDESC_PREALLOCATED | DSDESC_PIXELFORMAT;
dsc.caps = DSCAPS_SYSTEMONLY;
dsc.width = g_width;
dsc.height = g_height;
dsc.pixelformat = DSPF_AiRGB;
dsc.preallocated[0].data = g_bs;
dsc.preallocated[0].pitch = g_width * 4;
if (g_dfb->CreateSurface(g_dfb, &dsc, &g_s) == 0)
{
//pthread_create(&thread, 0, update_thread, 0);
//pthread_detach(thread);
}
else
{
g_s = 0;
free(g_bs);
g_bs = 0;
return 0;
}
return 1;
}
/*****************************************************************************/
void
mi_begin_update(void)
{
pthread_mutex_lock(&g_mutex1);
}
/*****************************************************************************/
void
mi_end_update(void)
{
pthread_mutex_unlock(&g_mutex1);
if (g_show_wfp)
{
printf("pixel at %d %d is %d\n", g_wfpx, g_wfpy, bs_get_pixel(g_wfpx, g_wfpy));
}
if (g_no_draw)
{
if (g_wfpv == bs_get_pixel(g_wfpx, g_wfpy))
{
g_no_draw = 0;
mi_invalidate(0, 0, g_width, g_height);
}
}
}
/*****************************************************************************/
void
mi_fill_rect(int x, int y, int cx, int cy, int colour)
{
if (g_no_draw)
{
return;
}
#ifdef USE_ORDERS
int red;
int green;
int blue;
mi_update_screen();
red = (colour & 0xff0000) >> 16;
green = (colour & 0xff00) >> 8;
blue = colour & 0xff;
if (g_use_trans && g_trans_colour == colour)
{
g_primary->SetColor(g_primary, red, green, blue, 0);
}
else
{
g_primary->SetColor(g_primary, red, green, blue, 0xff);
}
g_primary->FillRectangle(g_primary, x, y, cx, cy);
#else
mi_add_to(x, y, cx, cy);
#endif
}
/*****************************************************************************/
void
mi_line(int x1, int y1, int x2, int y2, int colour)
{
if (g_no_draw)
{
return;
}
#ifdef USE_ORDERS_TOO_SLOW
int red;
int green;
int blue;
mi_update_screen();
red = (colour >> 16) & 0xff;
green = (colour >> 8) & 0xff;
blue = colour & 0xff;
if (g_use_trans && g_trans_colour == colour)
{
g_primary->SetColor(g_primary, red, green, blue, 0);
}
else
{
g_primary->SetColor(g_primary, red, green, blue, 0xff);
}
g_primary->DrawLine(g_primary, x1, y1, x2, y2);
#else
int x;
int y;
int cx;
int cy;
x = UI_MIN(x1, x2);
y = UI_MIN(y1, y2);
cx = (UI_MAX(x1, x2) + 1) - x;
cy = (UI_MAX(y1, y2) + 1) - y;
mi_add_to(x, y, cx, cy);
#endif
}
/*****************************************************************************/
void
mi_screen_copy(int x, int y, int cx, int cy, int srcx, int srcy)
{
if (g_no_draw)
{
return;
}
#ifdef USE_ORDERS
DFBRectangle rect;
DFBSurfaceDescription dsc;
IDirectFBSurface * surface;
mi_update_screen();
//if (srcy < y)
{
dsc.flags = DSDESC_CAPS | DSDESC_WIDTH | DSDESC_HEIGHT;
dsc.caps = DSCAPS_VIDEOONLY;
dsc.width = cx;
dsc.height = cy;
if (g_dfb->CreateSurface(g_dfb, &dsc, &surface) == 0)
{
rect.x = srcx;
rect.y = srcy;
rect.w = cx;
rect.h = cy;
surface->Blit(surface, g_primary, &rect, 0, 0);
g_primary->Blit(g_primary, surface, 0, x, y);
surface->Release(surface);
}
}
//else
//{
// rect.x = srcx;
// rect.y = srcy;
// rect.w = cx;
// rect.h = cy;
// g_primary->Blit(g_primary, g_primary, &rect, x, y);
//}
#else
mi_add_to(x, y, cx, cy);
#endif
}
/*****************************************************************************/
void
mi_set_clip(int x, int y, int cx, int cy)
{
#ifdef USE_ORDERS
g_reg.x1 = x;
g_reg.y1 = y;
g_reg.x2 = (x + cx) - 1;
g_reg.y2 = (y + cy) - 1;
g_primary->SetClip(g_primary, &g_reg);
#endif
}
/*****************************************************************************/
void
mi_reset_clip(void)
{
#ifdef USE_ORDERS
// this dosen't work, directb bug?
// g_primary->SetClip(g_primary, 0);
g_reg.x1 = 0;
g_reg.y1 = 0;
g_reg.x2 = g_width;
g_reg.y2 = g_height;
g_primary->SetClip(g_primary, &g_reg);
#endif
}
/*****************************************************************************/
void *
mi_create_cursor(unsigned int x, unsigned int y,
int width, int height,
unsigned char * andmask, unsigned char * xormask)
{
return (void *) 1;
}
/*****************************************************************************/
void
mi_destroy_cursor(void * cursor)
{
}
/*****************************************************************************/
void
mi_set_cursor(void * cursor)
{
}
/*****************************************************************************/
void
mi_set_null_cursor(void)
{
}
/*****************************************************************************/
static void
out_params(void)
{
fprintf(stderr, "rdesktop: A Remote Desktop Protocol client.\n");
fprintf(stderr, "Version 1.4.1. Copyright (C) 1999-2006 Matt Chapman.\n");
fprintf(stderr, "direct framebuffer uiport by Jay Sorg\n");
fprintf(stderr, "See http://www.rdesktop.org/ for more information.\n\n");
fprintf(stderr, "Usage: dfbrdesktop [options] server\n");
fprintf(stderr, " -u: user name\n");
fprintf(stderr, " -n: client hostname\n");
fprintf(stderr, " -s: shell\n");
fprintf(stderr, " -p: password\n");
fprintf(stderr, " -d: domain\n");
fprintf(stderr, " -c: working directory\n");
fprintf(stderr, " -a: colour depth\n");
fprintf(stderr, " -wfp x y pixel: skip screen updates till x, y pixel is \
this colour\n");
fprintf(stderr, " -trans pixel: transparent colour\n");
fprintf(stderr, "\n");
}
/*****************************************************************************/
static int
parse_parameters(int in_argc, char ** in_argv)
{
int i;
if (in_argc <= 1)
{
out_params();
return 0;
}
for (i = 1; i < in_argc; i++)
{
strcpy(g_servername, in_argv[i]);
if (strcmp(in_argv[i], "-h") == 0)
{
out_params();
return 0;
}
else if (strcmp(in_argv[i], "-u") == 0)
{
strcpy(g_username, in_argv[i + 1]);
}
else if (strcmp(in_argv[i], "-n") == 0)
{
strcpy(g_hostname, in_argv[i + 1]);
}
else if (strcmp(in_argv[i], "-s") == 0)
{
strcpy(g_shell, in_argv[i + 1]);
}
else if (strcmp(in_argv[i], "-p") == 0)
{
strcpy(g_password, in_argv[i + 1]);
}
else if (strcmp(in_argv[i], "-d") == 0)
{
strcpy(g_domain, in_argv[i + 1]);
}
else if (strcmp(in_argv[i], "-c") == 0)
{
strcpy(g_directory, in_argv[i + 1]);
}
else if (strcmp(in_argv[i], "-a") == 0)
{
g_server_depth = atoi(in_argv[i + 1]);
}
else if (strcmp(in_argv[i], "-wfp") == 0)
{
g_wfpx = atoi(in_argv[i + 1]);
g_wfpy = atoi(in_argv[i + 2]);
g_wfpv = atoi(in_argv[i + 3]);
if (g_wfpv == 0)
{
g_show_wfp = 1;
}
else
{
g_no_draw = 1;
}
}
else if (strcmp(in_argv[i], "-trans") == 0)
{
g_use_trans = 1;
g_trans_colour = atoi(in_argv[i + 1]);
}
}
return 1;
}
/*****************************************************************************/
int
main(int argc, char ** argv)
{
int rv;
DFBSurfaceDescription dsc;
DFBResult err;
strcpy(g_hostname, "test");
g_server_depth = 24;
if (!parse_parameters(argc, argv))
{
return 0;
}
err = DirectFBInit(&argc, &argv);
if (err == 0)
{
err = DirectFBCreate(&g_dfb);
}
if (err == 0)
{
err = g_dfb->SetCooperativeLevel(g_dfb, DFSCL_FULLSCREEN);
}
if (err == 0)
{
dsc.flags = DSDESC_CAPS;
#ifdef USE_FLIPPING
dsc.caps = DSCAPS_PRIMARY | DSCAPS_DOUBLE | DSCAPS_FLIPPING;
#else
dsc.caps = DSCAPS_PRIMARY;
#endif
err = g_dfb->CreateSurface(g_dfb, &dsc, &g_primary);
}
if (err == 0)
{
g_dfb->CreateInputEventBuffer(g_dfb, DICAPS_AXES | DICAPS_BUTTONS |
DICAPS_KEYS, 0, &g_event);
}
if (err == 0)
{
err = g_primary->GetSize(g_primary, &g_width, &g_height);
}
if (err != 0)
{
printf("error in main\n");
return 1;
}
rv = ui_main();
g_s->Release(g_s);
g_primary->Release(g_primary);
g_dfb->Release(g_dfb);
return rv;
}
/*****************************************************************************/
/* returns non zero ok */
int
librdesktop_init(long obj1, long obj2, long obj3, int in_argc, char ** in_argv)
{
strcpy(g_hostname, "test");
g_dfb = (IDirectFB *) obj1;
g_primary = (IDirectFBSurface *) obj2;
g_primary->GetSize(g_primary, &g_width, &g_height);
g_server_depth = 24;
if (!parse_parameters(in_argc, in_argv))
{
return 0;
}
return 1;
}
/*****************************************************************************/
/* returns non zero ok */
int
librdesktop_connect(void)
{
return ui_lib_main();
}
/*****************************************************************************/
/* returns non zero ok */
int
librdesktop_check_wire(void)
{
fd_set rfds;
int rv;
int fd;
struct timeval tv;
fd = g_tcp_sck;
FD_ZERO(&rfds);
FD_SET(g_tcp_sck, &rfds);
tv.tv_sec = 0;
tv.tv_usec = 0;
rv = select(fd + 1, &rfds, 0, 0, &tv);
if (rv > -1)
{
if (rv > 0)
{
if (FD_ISSET(g_tcp_sck, &rfds))
{
if (!ui_read_wire())
{
return 0;
}
}
}
}
return 1;
}
/*****************************************************************************/
int
librdesktop_mouse_move(int x, int y)
{
ui_mouse_move(x, y);
return 0;
}
/*****************************************************************************/
int
librdesktop_mouse_button(int button, int x, int y, int down)
{
ui_mouse_button(button, x, y, down);
return 0;
}
/*****************************************************************************/
int
librdesktop_key_down(int key, int ext)
{
ui_key_down(key, ext);
return 0;
}
/*****************************************************************************/
int
librdesktop_key_up(int key, int ext)
{
ui_key_up(key, ext);
return 0;
}
/*****************************************************************************/
int
librdesktop_quit(void)
{
return 1;
}
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