NestedClientPrivatePtr
NestedClientCreateScreen(int scrnIndex,
Bool wantFullscreenHint,
unsigned int width,
unsigned int height,
int originX,
int originY,
unsigned int depth,
unsigned int bitsPerPixel,
Pixel *retRedMask,
Pixel *retGreenMask,
Pixel *retBlueMask) {
NestedClientPrivatePtr pPriv;
XSizeHints sizeHints;
Bool supported;
char windowTitle[32];
pPriv = malloc(sizeof(struct NestedClientPrivate));
pPriv->scrnIndex = scrnIndex;
/* Needed until we can pass authorization file
* directly to XOpenDisplay() */
if (xauthFile != NULL)
setenv("XAUTHORITY", xauthFile, 1);
pPriv->display = XOpenDisplay(NULL);
if (!pPriv->display)
return NULL;
#ifdef NESTED_INPUT
supported = XkbQueryExtension(pPriv->display, &pPriv->xkb.op, &pPriv->xkb.event,
&pPriv->xkb.error, &pPriv->xkb.major, &pPriv->xkb.minor);
if (!supported) {
xf86DrvMsg(pPriv->scrnIndex, X_ERROR, "The remote server does not support the XKEYBOARD extension.\n");
XCloseDisplay(pPriv->display);
return NULL;
}
#endif
pPriv->screenNumber = DefaultScreen(pPriv->display);
pPriv->screen = ScreenOfDisplay(pPriv->display, pPriv->screenNumber);
pPriv->rootWindow = RootWindow(pPriv->display, pPriv->screenNumber);
pPriv->gc = DefaultGC(pPriv->display, pPriv->screenNumber);
pPriv->window = XCreateSimpleWindow(pPriv->display, pPriv->rootWindow,
originX, originY, width, height, 0, 0, 0);
sizeHints.flags = PPosition | PSize | PMinSize | PMaxSize;
sizeHints.min_width = width;
sizeHints.max_width = width;
sizeHints.min_height = height;
sizeHints.max_height = height;
XSetWMNormalHints(pPriv->display, pPriv->window, &sizeHints);
snprintf(windowTitle, sizeof(windowTitle), "Screen %d", scrnIndex);
XStoreName(pPriv->display, pPriv->window, windowTitle);
XMapWindow(pPriv->display, pPriv->window);
XSelectInput(pPriv->display, pPriv->window,
#ifdef NESTED_INPUT
PointerMotionMask |
EnterWindowMask |
LeaveWindowMask |
ButtonPressMask |
ButtonReleaseMask |
KeyPressMask |
KeyReleaseMask |
#endif
ExposureMask);
if (!NestedClientTryXShm(pPriv, scrnIndex, width, height, depth)) {
pPriv->img = XCreateImage(pPriv->display,
DefaultVisualOfScreen(pPriv->screen),
depth,
ZPixmap,
0, /* offset */
NULL, /* data */
width,
height,
32, /* XXX: bitmap_pad */
0 /* XXX: bytes_per_line */);
if (!pPriv->img)
return NULL;
pPriv->img->data = malloc(pPriv->img->bytes_per_line * pPriv->img->height);
pPriv->usingShm = FALSE;
}
if (!pPriv->img->data)
return NULL;
NestedClientHideCursor(pPriv); /* Hide cursor */
#if 0
xf86DrvMsg(scrnIndex, X_INFO, "width: %d\n", pPriv->img->width);
xf86DrvMsg(scrnIndex, X_INFO, "height: %d\n", pPriv->img->height);
xf86DrvMsg(scrnIndex, X_INFO, "xoffset: %d\n", pPriv->img->xoffset);
xf86DrvMsg(scrnIndex, X_INFO, "depth: %d\n", pPriv->img->depth);
xf86DrvMsg(scrnIndex, X_INFO, "bpp: %d\n", pPriv->img->bits_per_pixel);
xf86DrvMsg(scrnIndex, X_INFO, "red_mask: 0x%lx\n", pPriv->img->red_mask);
xf86DrvMsg(scrnIndex, X_INFO, "gre_mask: 0x%lx\n", pPriv->img->green_mask);
xf86DrvMsg(scrnIndex, X_INFO, "blu_mask: 0x%lx\n", pPriv->img->blue_mask);
#endif
*retRedMask = pPriv->img->red_mask;
*retGreenMask = pPriv->img->green_mask;
*retBlueMask = pPriv->img->blue_mask;
XEvent ev;
while (1) {
XNextEvent(pPriv->display, &ev);
if (ev.type == Expose) {
break;
}
}
pPriv->dev = (DeviceIntPtr)NULL;
return pPriv;
}
void S9xInitDisplay (int argc, char **argv)
{
GUI.display = XOpenDisplay(NULL);
if (GUI.display == NULL)
FatalError("Failed to connect to X server.");
GUI.screen = DefaultScreenOfDisplay(GUI.display);
GUI.screen_num = XScreenNumberOfScreen(GUI.screen);
GUI.visual = DefaultVisualOfScreen(GUI.screen);
XVisualInfo plate, *matches;
int count;
plate.visualid = XVisualIDFromVisual(GUI.visual);
matches = XGetVisualInfo(GUI.display, VisualIDMask, &plate, &count);
if (!count)
FatalError("Your X Window System server is unwell!");
GUI.depth = matches[0].depth;
if ((GUI.depth != 15 && GUI.depth != 16 && GUI.depth != 24) || (matches[0].c_class != TrueColor))
FatalError("Requiers 15, 16, 24 or 32-bit color depth supporting TrueColor.");
GUI.red_shift = ffs(matches[0].red_mask) - 1;
GUI.green_shift = ffs(matches[0].green_mask) - 1;
GUI.blue_shift = ffs(matches[0].blue_mask) - 1;
GUI.red_size = matches[0].red_mask >> GUI.red_shift;
GUI.green_size = matches[0].green_mask >> GUI.green_shift;
GUI.blue_size = matches[0].blue_mask >> GUI.blue_shift;
if (GUI.depth == 16 && GUI.green_size == 63)
GUI.green_shift++;
XFree(matches);
switch (GUI.depth)
{
default:
case 32:
case 24:
S9xSetRenderPixelFormat(RGB555);
GUI.pixel_format = 555;
break;
case 16:
if (GUI.red_size != GUI.green_size || GUI.blue_size != GUI.green_size)
{
// 565 format
if (GUI.green_shift > GUI.blue_shift && GUI.green_shift > GUI.red_shift)
S9xSetRenderPixelFormat(GBR565);
else
if (GUI.red_shift > GUI.blue_shift)
S9xSetRenderPixelFormat(RGB565);
else
S9xSetRenderPixelFormat(BGR565);
GUI.pixel_format = 565;
break;
}
// FALL ...
case 15:
if (GUI.green_shift > GUI.blue_shift && GUI.green_shift > GUI.red_shift)
S9xSetRenderPixelFormat(GBR555);
else
if (GUI.red_shift > GUI.blue_shift)
S9xSetRenderPixelFormat(RGB555);
else
S9xSetRenderPixelFormat(BGR555);
GUI.pixel_format = 555;
break;
}
S9xBlitFilterInit();
S9xBlit2xSaIFilterInit();
S9xBlitHQ2xFilterInit();
XSetWindowAttributes attrib;
memset(&attrib, 0, sizeof(attrib));
attrib.background_pixel = BlackPixelOfScreen(GUI.screen);
attrib.colormap = XCreateColormap(GUI.display, RootWindowOfScreen(GUI.screen), GUI.visual, AllocNone);
GUI.window = XCreateWindow(GUI.display, RootWindowOfScreen(GUI.screen),
(WidthOfScreen(GUI.screen) - SNES_WIDTH * 2) / 2, (HeightOfScreen(GUI.screen) - SNES_HEIGHT_EXTENDED * 2) / 2,
SNES_WIDTH * 2, SNES_HEIGHT_EXTENDED * 2, 0, GUI.depth, InputOutput, GUI.visual, CWBackPixel | CWColormap, &attrib);
static XColor bg, fg;
static char data[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
Pixmap bitmap;
bitmap = XCreateBitmapFromData(GUI.display, GUI.window, data, 8, 8);
GUI.point_cursor = XCreatePixmapCursor(GUI.display, bitmap, bitmap, &fg, &bg, 0, 0);
XDefineCursor(GUI.display, GUI.window, GUI.point_cursor);
GUI.cross_hair_cursor = XCreateFontCursor(GUI.display, XC_crosshair);
GUI.gc = DefaultGCOfScreen(GUI.screen);
XSizeHints Hints;
XWMHints WMHints;
memset((void *) &Hints, 0, sizeof(XSizeHints));
memset((void *) &WMHints, 0, sizeof(XWMHints));
Hints.flags = PSize | PMinSize | PMaxSize;
Hints.min_width = Hints.max_width = Hints.base_width = SNES_WIDTH * 2;
Hints.min_height = Hints.max_height = Hints.base_height = SNES_HEIGHT_EXTENDED * 2;
WMHints.input = True;
WMHints.flags = InputHint;
XSetWMHints(GUI.display, GUI.window, &WMHints);
XSetWMNormalHints(GUI.display, GUI.window, &Hints);
XSelectInput(GUI.display, GUI.window, FocusChangeMask | ExposureMask | KeyPressMask | KeyReleaseMask | StructureNotifyMask | ButtonPressMask | ButtonReleaseMask);
XMapRaised(GUI.display, GUI.window);
XClearWindow(GUI.display, GUI.window);
SetupImage();
switch (GUI.depth)
{
default:
case 32:
GUI.bytes_per_pixel = 4;
break;
case 24:
if (GUI.image->bits_per_pixel == 24)
GUI.bytes_per_pixel = 3;
else
GUI.bytes_per_pixel = 4;
break;
case 15:
case 16:
GUI.bytes_per_pixel = 2;
break;
}
wmDeleteMessage = XInternAtom(GUI.display, "WM_DELETE_WINDOW", false);
XSetWMProtocols(GUI.display, GUI.window, &wmDeleteMessage, 1);
}