Apple-2-Tools
/
apple2ix
mirror of https://github.com/mauiaaron/apple2.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
apple2ix/src/video/xvideo.c

909 lines
26 KiB
C
Raw Blame History

/*
* Apple // emulator for *ix
*
* This software package is subject to the GNU General Public License
* version 3 or later (your choice) as published by the Free Software
* Foundation.
*
* Copyright 1994 Alexander Jean-Claude Bottema
* Copyright 1995 Stephen Lee
* Copyright 1997, 1998 Aaron Culliney
* Copyright 1998, 1999, 2000 Michael Deutschmann
* Copyright 2013-2015 Aaron Culliney
*
*/
#define VIDEO_X11 1
#include "common.h"
#include "video/video.h"
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/keysym.h>
#include <X11/XKBlib.h>
#ifdef HAVE_X11_SHM
#include <sys/ipc.h>
#include <sys/shm.h>
#include <X11/extensions/XShm.h> /* MITSHM! */
#endif
static Display *display;
static Window win;
static GC gc;
static unsigned int width, height; /* window size */
static unsigned int scale = 2;
static int screen_num;
static XVisualInfo visualinfo;
static XImage *image=NULL;
static Colormap cmap;
static XEvent xevent;
static XSizeHints *size_hints=NULL;
static XWMHints *wm_hints=NULL;
static XClassHint *class_hints=NULL;
static XTextProperty windowName, iconName;
static uint32_t red_shift;
static uint32_t green_shift;
static uint32_t blue_shift;
static uint32_t alpha_shift;
#ifdef HAVE_X11_SHM
static int doShm = 1; /* assume true */
static XShmSegmentInfo xshminfo;
static int xshmeventtype;
#endif
// pad pixels to uint32_t boundaries
static int bitmap_pad = sizeof(uint32_t);
static bool request_set_mode = false;
static a2_video_mode_t request_mode = VIDEO_2X;
typedef struct {
unsigned long flags;
unsigned long functions;
unsigned long decorations;
long inputMode;
unsigned long status;
} FullScreenHints;
#ifdef HAVE_X11_SHM
/*
* XShm code influenced from the DOOM source code.
* This tries to find some shared memory to use. It checks for stale segments
* (maybe due to an emulator crash) and tries to remove them or use them.
*/
static void getshm(int size) {
int key = ('a'<<24) | ('p'<<16) | ('p'<<8) | 'l';
struct shmid_ds shminfo;
int id;
int rc;
int counter=5;
/* Try to allocate shared memory segment. Use stale segments if any are
* found.
*/
do
{
id = shmget((key_t) key, 0, 0777);
if (id == -1)
{
/* no stale ID's */
id = shmget((key_t)key, size, IPC_CREAT|0777);
if (id == -1)
{
perror("shmget");
printf("Could not get shared memory\n");
++key;
}
break;
}
else
{
/* we got someone else's ID. check if it's stale. */
printf("Found shared memory key=`%c%c%c%c', id=%d\n", (key & 0xff000000)>>24, (key & 0xff0000)>>16, (key & 0xff00)>>8, (key & 0xff), id);
rc=shmctl(id, IPC_STAT, &shminfo); /* get stats */
if (rc)
{
/* error. what to do now? */
perror("shmctl");
printf("Could not get stats on key=`%c%c%c%c', id=%d\n", (key & 0xff000000)>>24, (key & 0xff0000)>>16, (key & 0xff00)>>8, (key & 0xff), id);
++key;
}
else
{
if (shminfo.shm_nattch)
{
printf( "User uid=%d, key=`%c%c%c%c' appears to be running the emulator.\n", shminfo.shm_perm.cuid, (key & 0xff000000)>>24, (key & 0xff0000)>>16, (key & 0xff00)>>8, (key & 0xff));
++key; /* increase the key count */
}
else
{
if (getuid() == shminfo.shm_perm.cuid)
{
/* it's my stale ID */
rc = shmctl(id, IPC_RMID, 0);
if (!rc)
{
printf("Was able to kill my old shared memory\n");
}
else
{
perror("shmctl");
printf("Was NOT able to kill my old shared memory\n");
}
id = shmget((key_t)key, size, IPC_CREAT|0777);
if (id == -1)
{
perror("shmget");
printf("Could not get shared memory\n");
}
rc=shmctl(id, IPC_STAT, &shminfo);
if (rc)
{
perror("shmctl");
}
break;
}
if (size == shminfo.shm_segsz)
{
/* not my ID, but maybe we can use it */
printf("Will use stale shared memory of uid=%d\n", shminfo.shm_perm.cuid);
break;
}
/* not my ID, and we can't use it */
else
{
printf("Can't use stale shared memory belonging to uid=%d, key=`%c%c%c%c', id=%d\n", shminfo.shm_perm.cuid, (key & 0xff000000)>>24, (key & 0xff0000)>>16, (key & 0xff00)>>8, (key & 0xff), id);
++key;
}
}
}
}
} while (--counter);
if (!counter)
{
printf( "System has too many stale/used shared memory segments!\n");
}
xshminfo.shmid = id;
/* attach to the shared memory segment */
image->data = xshminfo.shmaddr = shmat(id, 0, 0);
if ((size_t)(image->data) == -1)
{
perror("shmat");
printf("Could not attach to shared memory\n");
exit(1);
}
printf("Using shared memory key=`%c%c%c%c', id=%d, addr=%p\n", (key & 0xff000000)>>24, (key & 0xff0000)>>16, (key & 0xff00)>>8, (key & 0xff), id, image->data);
}
#endif
// Map X keysyms into Apple//ix internal-representation scancodes.
static int keysym_to_scancode(void) {
int rc = XkbKeycodeToKeysym(display, xevent.xkey.keycode, 0, 0);
switch (rc)
{
case XK_F1:
rc = SCODE_F1; break;
case XK_F2:
rc = SCODE_F2; break;
case XK_F3:
rc = SCODE_F3; break;
case XK_F4:
rc = SCODE_F4; break;
case XK_F5:
rc = SCODE_F5; break;
case XK_F6:
rc = SCODE_F6; break;
case XK_F7:
rc = SCODE_F7; break;
case XK_F8:
rc = SCODE_F8; break;
case XK_F9:
rc = SCODE_F9; break;
case XK_F10:
rc = SCODE_F10; break;
case XK_F11:
rc = SCODE_F11; break;
case XK_F12:
rc = SCODE_F12; break;
case XK_Left:
rc = SCODE_L; break;
case XK_Right:
rc = SCODE_R; break;
case XK_Down:
rc = SCODE_D; break;
case XK_Up:
rc = SCODE_U; break;
case XK_Escape:
rc = SCODE_ESC; break;
case XK_Return:
rc = SCODE_RET; break;
case XK_Tab:
rc = SCODE_TAB; break;
case XK_Shift_L:
rc = SCODE_L_SHIFT; break;
case XK_Shift_R:
rc = SCODE_R_SHIFT; break;
case XK_Control_L:
rc = SCODE_L_CTRL; break;
case XK_Control_R:
rc = SCODE_R_CTRL; break;
case XK_Caps_Lock:
{
// NOTE : emulator initially sets state based on a user preference. But if the user actually taps the Caps Lock
// key, then sync to system state.
unsigned int caps_state = 0;
XkbGetIndicatorState(display, XkbUseCoreKbd, &caps_state);
caps_lock = (caps_state & 0x01);
rc = -1; break;
}
case XK_BackSpace:
rc = SCODE_BS; break;
case XK_Insert:
rc = SCODE_INS; break;
case XK_Pause:
rc = SCODE_PAUSE; break;
case XK_Break:
/* Pause and Break are the same key, but have different
* scancodes (on PC keyboards). Ctrl makes the difference.
*
* We assume the X server is passing along the distinction to us,
* rather than making us check Ctrl manually.
*/
rc = SCODE_BRK; break;
case XK_Print:
rc = SCODE_PRNT; break;
case XK_Delete:
rc = SCODE_DEL; break;
case XK_End:
rc = SCODE_END; break;
case XK_Home:
rc = SCODE_HOME; break;
case XK_Page_Down:
rc = SCODE_PGDN; break;
case XK_Page_Up:
rc = SCODE_PGUP; break;
// keypad joystick movement
case XK_KP_5:
case XK_KP_Begin:
rc = SCODE_KPAD_C; break;
case XK_KP_4:
case XK_KP_Left:
rc = SCODE_KPAD_L; break;
case XK_KP_8:
case XK_KP_Up:
rc = SCODE_KPAD_U; break;
case XK_KP_6:
case XK_KP_Right:
rc = SCODE_KPAD_R; break;
case XK_KP_2:
case XK_KP_Down:
rc = SCODE_KPAD_D; break;
case XK_KP_7:
case XK_KP_Home:
rc = SCODE_KPAD_UL; break;
break;
case XK_KP_9:
case XK_KP_Page_Up:
rc = SCODE_KPAD_UR; break;
break;
case XK_KP_1:
case XK_KP_End:
rc = SCODE_KPAD_DL; break;
break;
case XK_KP_3:
case XK_KP_Page_Down:
rc = SCODE_KPAD_DR; break;
break;
case XK_Alt_L:
rc = SCODE_L_ALT; break;
case XK_Alt_R:
rc = SCODE_R_ALT; break;
default:
if ((rc >= XK_space) && (rc <= XK_asciitilde))
{
rc = xevent.xkey.keycode - 8;
}
else
{
rc = -1; // unmapped
}
break;
}
assert(rc < 0x80);
return rc;
}
// copy Apple //e video memory into XImage uint32_t buffer
static void post_image() {
// now check/clear if we should redraw
unsigned long wasDirty = video_clearDirty(FB_DIRTY_FLAG);
if (wasDirty) {
uint8_t *fb = display_getCurrentFramebuffer();
uint8_t index;
unsigned int count = SCANWIDTH * SCANHEIGHT;
for (unsigned int i=0, j=0; i<count; i++, j+=4)
{
index = *(fb + i);
*( (uint32_t*)(image->data + j) ) = (uint32_t)(
((uint32_t)(colormap[index].red) << red_shift) |
((uint32_t)(colormap[index].green) << green_shift) |
((uint32_t)(colormap[index].blue) << blue_shift) |
((uint32_t)0xff /* alpha */ << alpha_shift)
);
if (scale > 1)
{
j+=4;
// duplicate pixel
*( (uint32_t*)(image->data + j) ) = (uint32_t)(
((uint32_t)(colormap[index].red) << red_shift) |
((uint32_t)(colormap[index].green) << green_shift) |
((uint32_t)(colormap[index].blue) << blue_shift) |
((uint32_t)0xff /* alpha */ << alpha_shift)
);
if (((i+1) % SCANWIDTH) == 0)
{
// duplicate entire row
int stride8 = SCANWIDTH<<3;//*8
memcpy(/* dest */image->data + j + 4, /* src */image->data + j + 4 - stride8, stride8);
j += stride8;
}
}
}
}
// post image...
#ifdef HAVE_X11_SHM
if (doShm)
{
if (!XShmPutImage(
display,
win,
gc,
image,
0, 0,
0, 0,
width, height,
True))
{
fprintf(stderr, "XShmPutImage() failed\n");
}
} else
#endif
{
if (XPutImage(
display,
win,
gc,
image,
0, 0,
0, 0,
width, height
))
{
fprintf(stderr, "XPutImage() failed\n");
}
}
}
void video_driver_sync(void) {
// post the image and loop waiting for it to finish and
// also process other input events
post_image();
if (!XPending(display)) {
c_keys_handle_input(/*scancode:*/-1, /*pressed:*/0, 0);
} else {
do {
XNextEvent(display, &xevent);
int scancode = -1;
int pressed = 0;
if (xevent.type == KeyPress || xevent.type == KeyRelease) {
scancode = keysym_to_scancode();
pressed = (xevent.type == KeyPress);
}
c_keys_handle_input(scancode, pressed, 0);
} while (XPending(display));
}
}
static void _redo_image(void);
static void xdriver_main_loop(void) {
struct timespec sleeptime = { .tv_sec=0, .tv_nsec=16666667 }; // 60Hz
do {
if (request_set_mode) {
request_set_mode = false;
_redo_image();
}
video_driver_sync();
nanosleep(&sleeptime, NULL);
} while (1);
}
#if 0
static Cursor hidecursor() {
Pixmap cursormask;
XGCValues xgc;
XColor dummycolour;
Cursor cursor;
GC cursor_gc;
cursormask = XCreatePixmap(display, win, 1, 1, 1 /*depth*/);
xgc.function = GXclear;
cursor_gc = XCreateGC(display, cursormask, GCFunction, &xgc);
XFillRectangle(display, cursormask, gc, 0, 0, 1, 1);
dummycolour.pixel = 0;
dummycolour.red = 0;
dummycolour.flags = 04;
cursor = XCreatePixmapCursor(display, cursormask, cursormask, &dummycolour,&dummycolour, 0,0);
XFreePixmap(display,cursormask);
XFreeGC(display,cursor_gc);
return cursor;
}
#endif
static void parseArgs() {
int i;
for (i=0; i<argc; i++)
{
#ifdef HAVE_X11_SHM
if (strstr(argv[i], "--noshm"))
{
doShm=0;
} else
#endif
if (strstr(argv[i], "--help") || strstr(argv[i], "-h")) {
printf("%s v%s emulator help :\n", PACKAGE_NAME, PACKAGE_VERSION);
printf("\tPress F10 for main menu\n");
printf("\tPress F1 and F2 to insert disk images\n");
exit(0);
} else if (strstr(argv[i], "--version") || strstr(argv[i], "-v")) {
printf("%s v%s\n", PACKAGE_NAME, PACKAGE_VERSION);
exit(0);
}
}
}
static void _destroy_image() {
#ifdef HAVE_X11_SHM
if (doShm)
{
// Detach from X server
if (!XShmDetach(display, &xshminfo))
{
fprintf(stderr,"XShmDetach() failed\n");
}
XDestroyImage(image);
// Release shared memory.
shmdt(xshminfo.shmaddr);
shmctl(xshminfo.shmid, IPC_RMID, 0);
} else
#endif
{
XDestroyImage(image);
//free(image->data);
}
}
static void _create_image() {
int pixel_buffer_size = width*height*bitmap_pad;
#ifdef HAVE_X11_SHM
if (doShm) {
image = XShmCreateImage(display, visualinfo.visual, visualinfo.depth, ZPixmap, NULL, &xshminfo, width, height);
if (!image) {
ERRQUIT("XShmCreateImage failed");
}
LOG("Allocating shared memory: bytes_per_line:%ds height:x%d (depth:%d) bitmap_pad:%d",
image->bytes_per_line, image->height, visualinfo.depth, bitmap_pad);
getshm(pixel_buffer_size);
/* get the X server to attach to it */
if (!XShmAttach(display, &xshminfo)) {
ERRQUIT("XShmAttach() failed");
}
} else
#endif
{
void *data = malloc(pixel_buffer_size);
if (!data) {
ERRQUIT("no memory for image data!");
}
LOG("WARNING!!! No XShm extension ... creating regular XImage");
image = XCreateImage(display, visualinfo.visual, visualinfo.depth, ZPixmap, 0 /*offset*/, data, width, height, 8, width*bitmap_pad /*bytes_per_line*/);
if (!image) {
ERRQUIT("XCreateImage failed");
}
}
}
static void _size_hints_set_fixed() {
size_hints->flags = PPosition | PSize | PMinSize | PMaxSize;
size_hints->min_width = width;
size_hints->min_height = height;
size_hints->max_width = XDisplayWidth(display, 0);
size_hints->max_height = XDisplayHeight(display, 0);
}
static void _size_hints_set_resize() {
size_hints->flags = USPosition | USSize | PMinSize | PMaxSize;
size_hints->min_width = width;
size_hints->min_height = height;
size_hints->max_width = XDisplayWidth(display, 0);
size_hints->max_height = XDisplayHeight(display, 0);
}
void video_set_mode(a2_video_mode_t mode) {
request_mode = mode;
request_set_mode = true;
}
static void _redo_image(void) {
_destroy_image();
scale = (int)request_mode;
if (scale == VIDEO_FULLSCREEN) {
scale = 2; // HACK FIXME for now ................
}
width = SCANWIDTH*scale;
height = SCANHEIGHT*scale;
_size_hints_set_resize();
//XResizeWindow(display, win, width, height);
XSetWMProperties(display, win, &windowName, &iconName,
argv, argc, size_hints, wm_hints,
class_hints);
#if 0
// TODO ...
// Fullscreen mode really should "fuzz" the graphics like AppleWin does when emulating NTSC.
// Also will need to verify the canonical way to switch to fullscreen in X11
// http://www.tonyobryan.com/index.php?article=9
if (mode == VIDEO_FULLSCREEN) {
FullScreenHints hints = { .flags=2, .decorations=0 };
Atom property = XInternAtom(display, "_MOTIF_WM_HINTS", True);
XChangeProperty(display, win, property, property, 32, PropModeReplace, (unsigned char *)&hints, 5);
/*
int modecount_return = 0;
XF86VidModeModeInfo *modesinfo = NULL;
XF86VidModeGetAllModeLines(display, DefaultScreen(display), &modecount_return, &modesinfo);
XF86VidModeSwitchToMode(display, DefaultScreen(display), video_mode);
XF86VidModeSetViewPort(display, DefaultScreen(display), 0, 0);
*/
int display_w = XDisplayWidth(display, 0);
int display_h = XDisplayHeight(display, 0);
LOG("Fullscreen : %d x %d", display_w, display_h);
XMoveResizeWindow(display, win, 0, 0, display_w, display_h);
XMapRaised(display, win);
XGrabPointer(display, win, True, 0, GrabModeAsync, GrabModeAsync, win, 0L, CurrentTime);
XGrabKeyboard(display, win, False, GrabModeAsync, GrabModeAsync, CurrentTime);
}
#endif
XWindowChanges changes = { .width=width, .height=height };
XConfigureWindow(display, win, CWWidth|CWHeight, &changes);
_create_image();
_size_hints_set_fixed();
}
static const char *xdriver_name(void) {
return "X11";
}
static void xdriver_init(void *context) {
XSetWindowAttributes attribs;
unsigned long attribmask;
int x, y; /* window position */
int drawingok;
//unsigned int display_width, display_height;
XGCValues xgcvalues;
int valuemask;
char *window_name = "Apple //ix";
char *icon_name = window_name;
//GC gc;
char *displayname = NULL;
if (argv == NULL) {
LOG("No command line arguments ...");
argc = 0;
} else {
parseArgs();
}
if (!(size_hints = XAllocSizeHints()))
{
fprintf(stderr, "cannot allocate memory for SizeHints\n");
exit(1);
}
if (!(wm_hints = XAllocWMHints()))
{
fprintf(stderr, "cannot allocate memory for WMHints\n");
exit(1);
}
if (!(class_hints = XAllocClassHint()))
{
fprintf(stderr, "cannot allocate memory for ClassHints\n");
exit(1);
}
/* connect to X server */
if ( (display=XOpenDisplay(displayname)) == NULL )
{
fprintf(stderr, "cannot connect to X server \"%s\"\n",
XDisplayName(displayname));
exit(1);
}
screen_num = DefaultScreen(display);
// Note that in a real Xlib application, we would support more than the default visual :-P
//visual = DefaultVisual(display, screen_num);
//XVisualInfo *visuals_list=NULL;
//visualinfo.screen=screen_num;
/*
int numvisuals=0;
if (!(visuals_list = XGetVisualInfo(display, VisualScreenMask, &visualinfo, &numvisuals))) {
fprintf(stderr, "XGetVisualInfo() failed...");
exit(1);
}
visualinfo = visuals_list[0];
if ( (visualinfo.class == PseudoColor) || (visualinfo.depth == 8) ) {
fprintf(stderr, "PseudoColor or 8bit color is unimplemented, FIXME!");
exit(1);
}
XFree(visuals_list);
*/
if (!XMatchVisualInfo(display, XDefaultScreen(display), 32, TrueColor, &visualinfo))
{
fprintf(stderr, "no such visual\n");
exit(1);
}
// determine mask bits ...
// red_mask: 00ff0000
// green_mask: 0000ff00
// blue_mask: 000000ff
// bits_per_rgb: 8
unsigned int shift = 0;
for (unsigned int i=0; i<4; i++)
{
if ((((uint32_t)visualinfo.red_mask >>shift) & 0xff) == (uint32_t)0xff)
{
red_shift = shift;
}
else if ((((uint32_t)visualinfo.green_mask>>shift) & 0xff) == (uint32_t)0xff)
{
green_shift = shift;
}
else if ((((uint32_t)visualinfo.blue_mask >>shift) & 0xff) == (uint32_t)0xff)
{
blue_shift = shift;
}
else
{
alpha_shift = shift;
}
shift += 8;
}
if ((!red_shift) && (!green_shift) && (!blue_shift))
{
fprintf(stderr, "Could not calculate red/green/blue color masks...\n");
exit(1);
}
fprintf(stderr, "red mask:%08x green mask:%08x blue mask:%08x\n", (uint32_t)visualinfo.red_mask, (uint32_t)visualinfo.blue_mask, (uint32_t)visualinfo.green_mask);
fprintf(stderr, "redshift:%08d greenshift:%08d blueshift:%08d alphashift:%08d\n", red_shift, blue_shift, green_shift, alpha_shift);
#if 1
scale = VIDEO_2X;
#else
scale = a2_video_mode;
if (a2_video_mode == VIDEO_FULLSCREEN) {
scale = 1; // HACK FIXME FOR NOW ...
}
#endif
/* Note that in a real Xlib application, x and y would default to 0
* but would be settable from the command line or resource database.
*/
x = y = 0;
width = SCANWIDTH*scale;
height = SCANHEIGHT*scale;
#ifdef HAVE_X11_SHM
/* init MITSHM if we're doing it */
if (doShm)
{
/* make sure we have it */
doShm = XShmQueryExtension(display);
}
#endif
displayname = getenv("DISPLAY");
if (displayname)
{
if (*displayname != ':')
{
printf("NOTE: Sound not allowed for remote display \"%s\".\n", displayname);
#ifdef HAVE_X11_SHM
if (doShm)
{
printf("NOTE: Cannot run MITSHM version of emulator with display \"%s\"\n"
"Try setting DISPLAY to something like \":0.0\"...Reverting to regular X.\n",
displayname);
}
doShm=0;
//soundAllowed=0; FIXME TODO enforce this ...
#endif
}
}
cmap = XCreateColormap(display, XDefaultRootWindow(display), visualinfo.visual, AllocNone);
//XStoreColors(display, cmap, colors, 256);
attribs.colormap = cmap;
attribs.border_pixel = 0;
/* select event types wanted */
attribmask = CWEventMask | CWColormap | CWBorderPixel; /* HACK CWBorderPixel? */
attribs.event_mask = KeyPressMask | KeyReleaseMask | ExposureMask;
/* create opaque window */
win = XCreateWindow(display, RootWindow(display, screen_num),
x, y, width, height,
0, /* border_width */
visualinfo.depth, /* depth */
InputOutput,
visualinfo.visual,
attribmask,
&attribs);
/* store window_name and icon_name for niceity. */
if (XStringListToTextProperty(&window_name, 1, &windowName) == 0)
{
fprintf(stderr, "structure allocation for windowName failed.\n");
exit(1);
}
if (XStringListToTextProperty(&icon_name, 1, &iconName) == 0)
{
fprintf(stderr, "structure allocation for iconName failed.\n");
exit(1);
}
// set up window manager hints...
wm_hints->initial_state = NormalState;
wm_hints->input = True;
wm_hints->flags = StateHint | IconPixmapHint /* | InputHint*/;
class_hints->res_name = "apple2ix";
class_hints->res_class = "Apple2";
_size_hints_set_fixed();
XSetWMProperties(display, win, &windowName, &iconName,
argv, argc, size_hints, wm_hints,
class_hints);
// FIXME!!!!! hidecursor segfaults
//XDefineCursor(display, win, hidecursor(display, win));
/* create the GC */
valuemask = GCGraphicsExposures;
xgcvalues.graphics_exposures = False;
gc = XCreateGC(display, win, valuemask, &xgcvalues);
/* display window */
XMapWindow(display, win);
/* wait until it is OK to draw */
drawingok = 0;
while (!drawingok)
{
XNextEvent(display, &xevent);
if ((xevent.type == Expose) && !xevent.xexpose.count)
{
drawingok = 1;
}
}
#ifdef HAVE_X11_SHM
xshmeventtype = XShmGetEventBase(display) + ShmCompletion;
#endif
_create_image();
#ifdef KEYPAD_JOYSTICK
int autorepeat_supported = 0;
XkbGetDetectableAutoRepeat(display, &autorepeat_supported);
if (autorepeat_supported)
{
LOG("Xkb Setting detectable autorepeat ...");
XkbSetDetectableAutoRepeat(display, true, NULL);
}
#endif
}
static void xdriver_shutdown(void) {
_destroy_image();
}
static void xdriver_render(void) {
// no-op
}
static void _init_xvideo(void) {
LOG("Initializing X11 renderer");
static video_backend_s xvideo_backend = { 0 };
static video_animation_s xdriver_animations = { 0 };
xvideo_backend.name = &xdriver_name;
xvideo_backend.init = &xdriver_init;
xvideo_backend.main_loop = &xdriver_main_loop;
xvideo_backend.render = &xdriver_render;
xvideo_backend.shutdown = &xdriver_shutdown;
xvideo_backend.anim = &xdriver_animations;
#if INTERFACE_CLASSIC
xvideo_backend.plotChar = &display_plotChar;
xvideo_backend.plotLine = &display_plotLine;
#endif
xvideo_backend.flashText = &display_flashText;
xvideo_backend.flushScanline
= &display_flushScanline;
xvideo_backend.frameComplete
= &display_frameComplete;
video_registerBackend(&xvideo_backend, VID_PRIO_GRAPHICS_X);
}
static __attribute__((constructor)) void __init_xvideo(void) {
emulator_registerStartupCallback(CTOR_PRIORITY_EARLY, &_init_xvideo);
}
Reference in New Issue View Git Blame Copy Permalink