2008-11-30 17:46:21 +01:00
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/****************************************************************************
|
2008-11-30 19:52:14 +01:00
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* arch/sim/src/up_x11framebuffer.c
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2008-11-30 17:46:21 +01:00
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*
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* Copyright (C) 2008 Gregory Nutt. All rights reserved.
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2012-09-13 20:32:24 +02:00
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* Author: Gregory Nutt <gnutt@nuttx.org>
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2008-11-30 17:46:21 +01:00
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#define CONFIG_SIM_X11NOSHM 1
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <sys/ipc.h>
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#ifndef CONFIG_SIM_X11NOSHM
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# include <sys/shm.h>
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# include <X11/extensions/XShm.h>
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#endif
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/****************************************************************************
|
2014-09-30 18:44:32 +02:00
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* Pre-processor Definitions
|
2008-11-30 17:46:21 +01:00
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****************************************************************************/
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/****************************************************************************
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* Private Type Declarations
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***************************************************************************/
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/****************************************************************************
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* Private Function Prototypes
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****************************************************************************/
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/****************************************************************************
|
2011-09-28 19:41:58 +02:00
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* Public Variables
|
2008-11-30 17:46:21 +01:00
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****************************************************************************/
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2011-09-28 19:41:58 +02:00
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/* Also used in up_x11eventloop */
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Display *g_display;
|
2011-10-06 18:31:13 +02:00
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int g_x11initialized;
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2011-09-28 19:41:58 +02:00
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2008-11-30 17:46:21 +01:00
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/****************************************************************************
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* Private Variables
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****************************************************************************/
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static int g_screen;
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2011-09-29 22:54:23 +02:00
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static Window g_window;
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2008-11-30 17:46:21 +01:00
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static GC g_gc;
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#ifndef CONFIG_SIM_X11NOSHM
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static XShmSegmentInfo g_xshminfo;
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static int g_xerror;
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#endif
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static XImage *g_image;
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static unsigned char *g_framebuffer;
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static unsigned short g_fbpixelwidth;
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static unsigned short g_fbpixelheight;
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static int g_shmcheckpoint = 0;
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static int b_useshm;
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|
|
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|
/****************************************************************************
|
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|
* Name: up_x11createframe
|
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|
|
***************************************************************************/
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static inline int up_x11createframe(void)
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|
|
{
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|
XGCValues gcval;
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char *argv[2] = { "nuttx", NULL };
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char *winName = "NuttX";
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char *iconName = "NX";
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XTextProperty winprop;
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XTextProperty iconprop;
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|
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XSizeHints hints;
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g_display = XOpenDisplay(NULL);
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if (g_display == NULL)
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|
|
|
{
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|
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|
printf("Unable to open display.\n");
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return -1;
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|
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|
}
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g_screen = DefaultScreen(g_display);
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g_window = XCreateSimpleWindow(g_display, DefaultRootWindow(g_display),
|
2011-10-06 18:31:13 +02:00
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0, 0, g_fbpixelwidth, g_fbpixelheight, 2,
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BlackPixel(g_display, g_screen),
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BlackPixel(g_display, g_screen));
|
2008-11-30 17:46:21 +01:00
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XStringListToTextProperty(&winName, 1, &winprop);
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XStringListToTextProperty(&iconName, 1, &iconprop);
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hints.flags = PSize | PMinSize | PMaxSize;
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hints.width = hints.min_width = hints.max_width = g_fbpixelwidth;
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hints.height= hints.min_height = hints.max_height = g_fbpixelheight;
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XSetWMProperties(g_display, g_window, &winprop, &iconprop, argv, 1,
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|
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&hints, NULL, NULL);
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XMapWindow(g_display, g_window);
|
2011-09-29 22:54:23 +02:00
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/* Select window input events */
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|
|
2014-12-14 18:11:04 +01:00
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|
#if defined(CONFIG_SIM_AJOYSTICK)
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|
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XSelectInput(g_display, g_window,
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|
ButtonPressMask|ButtonReleaseMask|PointerMotionMask);
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|
#else
|
2008-11-30 17:46:21 +01:00
|
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|
XSelectInput(g_display, g_window,
|
2014-12-14 18:14:13 +01:00
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|
ButtonPressMask|ButtonReleaseMask|PointerMotionMask|KeyPressMask);
|
2014-12-14 18:11:04 +01:00
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|
#endif
|
2011-09-29 22:54:23 +02:00
|
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|
|
2011-09-29 23:13:49 +02:00
|
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/* Release queued events on the display */
|
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|
|
|
2014-12-14 17:19:07 +01:00
|
|
|
#if defined(CONFIG_SIM_TOUCHSCREEN) || defined(CONFIG_SIM_AJOYSTICK)
|
2011-09-29 23:13:49 +02:00
|
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|
(void)XAllowEvents(g_display, AsyncBoth, CurrentTime);
|
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|
|
|
|
|
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/* Grab mouse button 1, enabling mouse-related events */
|
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|
|
|
|
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(void)XGrabButton(g_display, Button1, AnyModifier, g_window, 1,
|
|
|
|
ButtonPressMask|ButtonReleaseMask|ButtonMotionMask,
|
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|
|
GrabModeAsync, GrabModeAsync, None, None);
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|
#endif
|
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|
|
|
2008-11-30 17:46:21 +01:00
|
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|
gcval.graphics_exposures = 0;
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|
g_gc = XCreateGC(g_display, g_window, GCGraphicsExposures, &gcval);
|
2011-10-06 18:31:13 +02:00
|
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|
|
2008-11-30 17:46:21 +01:00
|
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|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/****************************************************************************
|
|
|
|
* Name: up_x11errorhandler
|
|
|
|
***************************************************************************/
|
|
|
|
|
|
|
|
#ifndef CONFIG_SIM_X11NOSHM
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|
|
static int up_x11errorhandler(Display *display, XErrorEvent *event)
|
|
|
|
{
|
|
|
|
g_xerror = 1;
|
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|
return 0;
|
|
|
|
}
|
|
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|
#endif
|
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|
|
|
|
|
|
/****************************************************************************
|
|
|
|
* Name: up_x11traperrors
|
|
|
|
***************************************************************************/
|
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|
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|
#ifndef CONFIG_SIM_X11NOSHM
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|
|
static void up_x11traperrors(void)
|
|
|
|
{
|
|
|
|
g_xerror = 0;
|
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|
|
XSetErrorHandler(up_x11errorhandler);
|
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|
|
}
|
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|
#endif
|
|
|
|
|
|
|
|
/****************************************************************************
|
|
|
|
* Name: up_x11untraperrors
|
|
|
|
***************************************************************************/
|
|
|
|
|
|
|
|
#ifndef CONFIG_SIM_X11NOSHM
|
|
|
|
static int up_x11untraperrors(void)
|
|
|
|
{
|
|
|
|
XSync(g_display,0);
|
|
|
|
XSetErrorHandler(NULL);
|
|
|
|
return g_xerror;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/****************************************************************************
|
2008-11-30 19:52:14 +01:00
|
|
|
* Name: up_x11uninitX
|
2008-11-30 17:46:21 +01:00
|
|
|
***************************************************************************/
|
|
|
|
|
2008-11-30 19:52:14 +01:00
|
|
|
static void up_x11uninitX(void)
|
2008-11-30 17:46:21 +01:00
|
|
|
{
|
2008-11-30 19:52:14 +01:00
|
|
|
fprintf(stderr, "Uninitalizing X\n");
|
2011-10-06 18:31:13 +02:00
|
|
|
if (g_x11initialized)
|
2008-11-30 17:46:21 +01:00
|
|
|
{
|
2011-10-06 18:31:13 +02:00
|
|
|
#ifndef CONFIG_SIM_X11NOSHM
|
|
|
|
if (g_shmcheckpoint > 4)
|
|
|
|
{
|
|
|
|
XShmDetach(g_display, &g_xshminfo);
|
|
|
|
}
|
2008-11-30 17:46:21 +01:00
|
|
|
|
2011-10-06 18:31:13 +02:00
|
|
|
if (g_shmcheckpoint > 3)
|
|
|
|
{
|
|
|
|
shmdt(g_xshminfo.shmaddr);
|
|
|
|
}
|
2008-11-30 17:46:21 +01:00
|
|
|
|
2011-10-06 18:31:13 +02:00
|
|
|
if (g_shmcheckpoint > 2)
|
|
|
|
{
|
|
|
|
shmctl(g_xshminfo.shmid, IPC_RMID, 0);
|
|
|
|
}
|
2008-11-30 17:46:21 +01:00
|
|
|
#endif
|
|
|
|
|
2011-10-06 18:31:13 +02:00
|
|
|
if (g_shmcheckpoint > 1)
|
|
|
|
{
|
|
|
|
XDestroyImage(g_image);
|
|
|
|
}
|
2011-09-29 23:13:49 +02:00
|
|
|
|
2011-10-06 18:31:13 +02:00
|
|
|
/* Un-grab the mouse buttons */
|
2011-09-29 23:13:49 +02:00
|
|
|
|
2014-12-14 17:19:07 +01:00
|
|
|
#if defined(CONFIG_SIM_TOUCHSCREEN) || defined(CONFIG_SIM_AJOYSTICK)
|
2011-10-06 18:31:13 +02:00
|
|
|
XUngrabButton(g_display, Button1, AnyModifier, g_window);
|
2011-09-29 23:13:49 +02:00
|
|
|
#endif
|
2011-10-06 18:31:13 +02:00
|
|
|
g_x11initialized = 0;
|
|
|
|
}
|
|
|
|
|
2008-11-30 19:52:14 +01:00
|
|
|
XCloseDisplay(g_display);
|
|
|
|
}
|
|
|
|
|
|
|
|
/****************************************************************************
|
|
|
|
* Name: up_x11uninitialize
|
|
|
|
***************************************************************************/
|
|
|
|
|
|
|
|
#ifndef CONFIG_SIM_X11NOSHM
|
|
|
|
static void up_x11uninitialize(void)
|
|
|
|
{
|
|
|
|
fprintf(stderr, "Uninitalizing\n");
|
|
|
|
if (g_shmcheckpoint > 1)
|
|
|
|
{
|
|
|
|
if (!b_useshm && g_framebuffer)
|
2008-11-30 17:46:21 +01:00
|
|
|
{
|
|
|
|
free(g_framebuffer);
|
2008-11-30 19:52:14 +01:00
|
|
|
g_framebuffer = 0;
|
2008-11-30 17:46:21 +01:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (g_shmcheckpoint > 0)
|
|
|
|
{
|
|
|
|
g_shmcheckpoint = 1;
|
|
|
|
}
|
|
|
|
}
|
2008-11-30 19:52:14 +01:00
|
|
|
#endif
|
2008-11-30 17:46:21 +01:00
|
|
|
|
|
|
|
/****************************************************************************
|
|
|
|
* Name: up_x11mapsharedmem
|
|
|
|
***************************************************************************/
|
|
|
|
|
2008-11-30 21:09:14 +01:00
|
|
|
static inline int up_x11mapsharedmem(int depth, unsigned int fblen)
|
2008-11-30 17:46:21 +01:00
|
|
|
{
|
|
|
|
#ifndef CONFIG_SIM_X11NOSHM
|
|
|
|
Status result;
|
|
|
|
#endif
|
|
|
|
|
2008-11-30 19:52:14 +01:00
|
|
|
atexit(up_x11uninitX);
|
2008-11-30 17:46:21 +01:00
|
|
|
g_shmcheckpoint = 1;
|
|
|
|
b_useshm = 0;
|
|
|
|
|
|
|
|
#ifndef CONFIG_SIM_X11NOSHM
|
|
|
|
if (XShmQueryExtension(g_display))
|
|
|
|
{
|
|
|
|
b_useshm = 1;
|
|
|
|
printf("Using shared memory.\n");
|
|
|
|
|
|
|
|
up_x11traperrors();
|
2014-04-14 00:22:22 +02:00
|
|
|
g_image = XShmCreateImage(g_display, DefaultVisual(g_display, g_screen),
|
2008-11-30 21:09:14 +01:00
|
|
|
depth, ZPixmap, NULL, &g_xshminfo,
|
|
|
|
g_fbpixelwidth, g_fbpixelheight);
|
2008-11-30 17:46:21 +01:00
|
|
|
if (up_x11untraperrors())
|
|
|
|
{
|
|
|
|
up_x11uninitialize();
|
|
|
|
goto shmerror;
|
|
|
|
}
|
|
|
|
if (!g_image)
|
|
|
|
{
|
|
|
|
fprintf(stderr,"Unable to create g_image.");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
g_shmcheckpoint++;
|
|
|
|
|
|
|
|
g_xshminfo.shmid = shmget(IPC_PRIVATE,
|
|
|
|
g_image->bytes_per_line * g_image->height,
|
|
|
|
IPC_CREAT | 0777);
|
|
|
|
if (g_xshminfo.shmid < 0)
|
|
|
|
{
|
|
|
|
up_x11uninitialize();
|
|
|
|
goto shmerror;
|
|
|
|
}
|
|
|
|
g_shmcheckpoint++;
|
|
|
|
|
|
|
|
g_image->data = (char *) shmat(g_xshminfo.shmid, 0, 0);
|
|
|
|
if (g_image->data == ((char *) -1))
|
|
|
|
{
|
|
|
|
up_x11uninitialize();
|
|
|
|
goto shmerror;
|
|
|
|
}
|
|
|
|
g_shmcheckpoint++;
|
|
|
|
|
|
|
|
g_xshminfo.shmaddr = g_image->data;
|
|
|
|
g_xshminfo.readOnly = 0;
|
|
|
|
|
|
|
|
up_x11traperrors();
|
|
|
|
result = XShmAttach(g_display, &g_xshminfo);
|
|
|
|
if (up_x11untraperrors() || !result)
|
|
|
|
{
|
|
|
|
up_x11uninitialize();
|
|
|
|
goto shmerror;
|
|
|
|
}
|
|
|
|
|
|
|
|
g_shmcheckpoint++;
|
|
|
|
|
|
|
|
}
|
|
|
|
else
|
|
|
|
#endif
|
|
|
|
if (!b_useshm)
|
|
|
|
{
|
|
|
|
#ifndef CONFIG_SIM_X11NOSHM
|
|
|
|
shmerror:
|
|
|
|
#endif
|
|
|
|
b_useshm = 0;
|
|
|
|
|
|
|
|
g_framebuffer = (unsigned char*)malloc(fblen);
|
|
|
|
|
2008-11-30 21:09:14 +01:00
|
|
|
g_image = XCreateImage(g_display, DefaultVisual(g_display,g_screen), depth,
|
2008-11-30 19:52:14 +01:00
|
|
|
ZPixmap, 0, (char*)g_framebuffer, g_fbpixelwidth, g_fbpixelheight,
|
2008-11-30 17:46:21 +01:00
|
|
|
8, 0);
|
|
|
|
|
|
|
|
if (g_image == NULL)
|
|
|
|
{
|
|
|
|
fprintf(stderr, "Unable to create g_image\n");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
g_shmcheckpoint++;
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/****************************************************************************
|
|
|
|
* Public Functions
|
|
|
|
***************************************************************************/
|
|
|
|
|
|
|
|
/****************************************************************************
|
|
|
|
* Name: up_x11initialize
|
|
|
|
*
|
|
|
|
* Description:
|
|
|
|
* Make an X11 window look like a frame buffer.
|
|
|
|
*
|
|
|
|
***************************************************************************/
|
|
|
|
|
|
|
|
int up_x11initialize(unsigned short width, unsigned short height,
|
|
|
|
void **fbmem, unsigned int *fblen, unsigned char *bpp,
|
|
|
|
unsigned short *stride)
|
|
|
|
{
|
|
|
|
XWindowAttributes windowAttributes;
|
2008-11-30 21:09:14 +01:00
|
|
|
int depth;
|
2008-11-30 17:46:21 +01:00
|
|
|
int ret;
|
|
|
|
|
2011-10-06 18:31:13 +02:00
|
|
|
/* Check if we are already initialized */
|
2008-11-30 17:46:21 +01:00
|
|
|
|
2011-10-06 18:31:13 +02:00
|
|
|
if (!g_x11initialized)
|
|
|
|
{
|
|
|
|
/* Save inputs */
|
2008-11-30 17:46:21 +01:00
|
|
|
|
2011-10-06 18:31:13 +02:00
|
|
|
g_fbpixelwidth = width;
|
|
|
|
g_fbpixelheight = height;
|
2008-11-30 17:46:21 +01:00
|
|
|
|
2011-10-06 18:31:13 +02:00
|
|
|
/* Create the X11 window */
|
2008-11-30 17:46:21 +01:00
|
|
|
|
2011-10-06 18:31:13 +02:00
|
|
|
ret = up_x11createframe();
|
|
|
|
if (ret < 0)
|
|
|
|
{
|
|
|
|
return ret;
|
|
|
|
}
|
2008-11-30 17:46:21 +01:00
|
|
|
|
2011-10-06 18:31:13 +02:00
|
|
|
/* Determine the supported pixel bpp of the current window */
|
2008-11-30 17:46:21 +01:00
|
|
|
|
2011-10-06 18:31:13 +02:00
|
|
|
XGetWindowAttributes(g_display, DefaultRootWindow(g_display), &windowAttributes);
|
2008-11-30 21:09:14 +01:00
|
|
|
|
2011-10-06 18:31:13 +02:00
|
|
|
/* Get the pixel depth. If the depth is 24-bits, use 32 because X expects
|
|
|
|
* 32-bit aligment anyway.
|
|
|
|
*/
|
2008-11-30 21:09:14 +01:00
|
|
|
|
2011-10-06 18:31:13 +02:00
|
|
|
depth = windowAttributes.depth;
|
|
|
|
if (depth == 24)
|
|
|
|
{
|
|
|
|
depth = 32;
|
|
|
|
}
|
|
|
|
printf("Pixel bpp is %d bits (using %d)\n", windowAttributes.depth, depth);
|
2008-11-30 17:46:21 +01:00
|
|
|
|
2011-10-06 18:31:13 +02:00
|
|
|
*bpp = depth;
|
|
|
|
*stride = (depth * width / 8);
|
|
|
|
*fblen = (*stride * height);
|
2008-11-30 17:46:21 +01:00
|
|
|
|
2011-10-06 18:31:13 +02:00
|
|
|
/* Map the window to shared memory */
|
|
|
|
|
|
|
|
up_x11mapsharedmem(windowAttributes.depth, *fblen);
|
|
|
|
g_x11initialized = 1;
|
|
|
|
}
|
2008-11-30 19:52:14 +01:00
|
|
|
|
|
|
|
*fbmem = (void*)g_framebuffer;
|
2008-11-30 17:46:21 +01:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/****************************************************************************
|
|
|
|
* Name: up_x11cmap
|
|
|
|
***************************************************************************/
|
|
|
|
|
|
|
|
int up_x11cmap(unsigned short first, unsigned short len,
|
|
|
|
unsigned char *red, unsigned char *green,
|
|
|
|
unsigned char *blue, unsigned char *transp)
|
|
|
|
{
|
|
|
|
Colormap cMap;
|
|
|
|
int ndx;
|
|
|
|
|
|
|
|
printf("Creating Colormap\n");
|
|
|
|
|
|
|
|
/* Convert each color to X11 scaling */
|
|
|
|
|
|
|
|
cMap = DefaultColormap(g_display, g_screen);
|
|
|
|
for (ndx = first; ndx < first + len; ndx++)
|
|
|
|
{
|
|
|
|
XColor color;
|
|
|
|
|
|
|
|
/* Convert to RGB. In the NuttX cmap, each component
|
|
|
|
* ranges from 0-255; for X11 the range is 0-65536 */
|
|
|
|
|
|
|
|
color.red = (short)(*red++) << 8;
|
|
|
|
color.green = (short)(*green++) << 8;
|
|
|
|
color.blue = (short)(*blue++) << 8;
|
|
|
|
color.flags = DoRed | DoGreen | DoBlue;
|
|
|
|
|
|
|
|
/* Then allocate a color for this selection */
|
|
|
|
|
|
|
|
if (!XAllocColor(g_display, cMap, &color))
|
|
|
|
{
|
|
|
|
fprintf(stderr, "Failed to allocate color%d\n", ndx);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
2008-11-30 19:52:14 +01:00
|
|
|
|
|
|
|
/****************************************************************************
|
|
|
|
* Name: up_x11update
|
|
|
|
***************************************************************************/
|
|
|
|
|
|
|
|
void up_x11update(void)
|
|
|
|
{
|
|
|
|
#ifndef CONFIG_SIM_X11NOSHM
|
|
|
|
if (b_useshm)
|
|
|
|
{
|
|
|
|
XShmPutImage(g_display, g_window, g_gc, g_image, 0, 0, 0, 0,
|
|
|
|
g_fbpixelwidth, g_fbpixelheight, 0);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
#endif
|
|
|
|
{
|
|
|
|
XPutImage(g_display, g_window, g_gc, g_image, 0, 0, 0, 0,
|
|
|
|
g_fbpixelwidth, g_fbpixelheight);
|
|
|
|
}
|
|
|
|
XSync(g_display, 0);
|
|
|
|
}
|