static int GGIexit(struct ggi_visual *vis, struct ggi_dlhandle *dlh)
{
if (PALEMU_PRIV(vis) && PALEMU_PRIV(vis)->opmansync) {
if (!(LIBGGI_FLAGS(vis) & GGIFLAG_ASYNC)) {
MANSYNC_stop(vis);
}
MANSYNC_deinit(vis);
MANSYNC_close(PALEMU_PRIV(vis));
}
return 0;
}
int _ggi_palemu_Flush(struct ggi_visual *vis)
{
ggi_palemu_priv *priv = PALEMU_PRIV(vis);
int sx = priv->dirty_tl.x; int sy = priv->dirty_tl.y;
int ex = priv->dirty_br.x; int ey = priv->dirty_br.y;
/* clear the `dirty region' */
priv->dirty_tl.x = LIBGGI_VIRTX(vis);
priv->dirty_tl.y = LIBGGI_VIRTY(vis);
priv->dirty_br.x = 0;
priv->dirty_br.y = 0;
/* When write_frame != display_frame, then there is no need to
* update the parent since the affected area(s) are not visible.
*/
if ((vis->w_frame_num == vis->d_frame_num) &&
(sx < ex) && (sy < ey)) {
return _ggi_palemu_Transfer(vis, sx, sy, ex-sx, ey-sy);
}
return 0;
}
int GGI_palemu_flush(struct ggi_visual *vis, int x, int y, int w, int h, int tryflag)
{
ggi_palemu_priv *priv = PALEMU_PRIV(vis);
int err;
MANSYNC_ignore(vis);
ggLock(priv->flush_lock);
if (priv->target == PALEMU_TARGET) {
err = _ggi_palemu_Flush(vis);
} else {
err = _ggi_monotext_Flush(vis);
}
if (! err) {
err = _ggiInternFlush(GGI_VISUAL(priv->parent), x, y, w, h, tryflag);
}
ggUnlock(priv->flush_lock);
MANSYNC_cont(vis);
return err;
}
static int GGIclose_monotext(struct ggi_visual *vis, struct ggi_dlhandle *dlh)
{
ggi_palemu_priv *priv = PALEMU_PRIV(vis);
struct gg_api *api;
DPRINT("display-monotext: GGIclose start.\n");
if (priv->fb_ptr != NULL) {
_ggi_monotext_Close(vis);
free(priv->fb_ptr);
}
if (priv->parent != NULL) {
ggiClose(priv->parent);
ggiDetach(priv->parent);
/* XXX What if gii has been detached before close? */
api = ggGetAPIByName("gii");
if (api && STEM_HAS_API(priv->parent, api)) {
ggDetach(api, priv->parent);
}
ggDelStem(priv->parent);
priv->parent = NULL;
}
ggLockDestroy(priv->flush_lock);
free(priv->opmansync);
free(priv);
free(LIBGGI_GC(vis));
DPRINT("display-monotext: GGIclose done.\n");
return 0;
}
int GGI_palemu_copybox(struct ggi_visual *vis, int x, int y, int w, int h, int nx, int ny)
{
ggi_palemu_priv *priv = PALEMU_PRIV(vis);
UPDATE_MOD(vis, nx, ny, w, h);
return priv->mem_opdraw->copybox(vis, x, y, w, h, nx, ny);
}
int GGI_palemu_fillscreen(struct ggi_visual *vis)
{
ggi_palemu_priv *priv = PALEMU_PRIV(vis);
UPDATE_MOD(vis, 0, 0, LIBGGI_VIRTX(vis), LIBGGI_VIRTY(vis));
return priv->mem_opdraw->fillscreen(vis);
}
int GGI_palemu_putbox(struct ggi_visual *vis, int x, int y, int w, int h, const void *buffer)
{
ggi_palemu_priv *priv = PALEMU_PRIV(vis);
UPDATE_MOD(vis, x, y, w, h);
return priv->mem_opdraw->putbox(vis, x, y, w, h, buffer);
}
int GGI_palemu_putpixel(struct ggi_visual *vis, int x, int y, ggi_pixel col)
{
ggi_palemu_priv *priv = PALEMU_PRIV(vis);
UPDATE_MOD(vis, x, y, 1, 1);
return priv->mem_opdraw->putpixel(vis, x, y, col);
}
int GGI_palemu_drawhline(struct ggi_visual *vis, int x, int y, int w)
{
ggi_palemu_priv *priv = PALEMU_PRIV(vis);
UPDATE_MOD(vis, x, y, w, 1);
return priv->mem_opdraw->drawhline(vis, x, y, w);
}
int GGI_palemu_drawpixel_nc(struct ggi_visual *vis, int x, int y)
{
ggi_palemu_priv *priv = PALEMU_PRIV(vis);
UPDATE_MOD(vis, x, y, 1, 1);
return priv->mem_opdraw->drawpixel_nc(vis, x, y);
}
int GGI_palemu_drawbox(struct ggi_visual *vis, int x, int y, int w, int h)
{
ggi_palemu_priv *priv = PALEMU_PRIV(vis);
UPDATE_MOD(vis, x, y, w, h);
return priv->mem_opdraw->drawbox(vis, x, y, w, h);
}
static int do_dbstuff(struct ggi_visual *vis)
{
ggi_palemu_priv *priv = PALEMU_PRIV(vis);
int i;
/* allocate memory */
priv->frame_size = LIBGGI_FB_SIZE(LIBGGI_MODE(vis));
priv->fb_size = priv->frame_size * LIBGGI_MODE(vis)->frames;
priv->fb_ptr = malloc((size_t)priv->fb_size);
DPRINT_MODE("display-palemu: fb=%p size=%d frame=%d\n",
priv->fb_ptr, priv->fb_size, priv->frame_size);
if (priv->fb_ptr == NULL) {
fprintf(stderr, "display-palemu: Out of memory.\n");
return GGI_ENOMEM;
}
/* clear all frames */
memset(priv->fb_ptr, 0, (size_t)priv->fb_size);
/* set up pixel format */
memset(LIBGGI_PIXFMT(vis), 0, sizeof(ggi_pixelformat));
setup_pixfmt(LIBGGI_PIXFMT(vis), LIBGGI_GT(vis));
_ggi_build_pixfmt(LIBGGI_PIXFMT(vis));
/* set up direct buffers */
for (i=0; i < LIBGGI_MODE(vis)->frames; i++) {
ggi_directbuffer *buf;
_ggi_db_add_buffer(LIBGGI_PRIVLIST(vis), _ggi_db_get_new());
buf = LIBGGI_PRIVBUFS(vis)[i];
buf->frame = i;
buf->type = GGI_DB_NORMAL | GGI_DB_SIMPLE_PLB;
buf->read = (char *) priv->fb_ptr + i * priv->frame_size;
buf->write = buf->read;
buf->layout = blPixelLinearBuffer;
buf->buffer.plb.stride =
GT_ByPPP(LIBGGI_VIRTX(vis), LIBGGI_GT(vis));
buf->buffer.plb.pixelformat = LIBGGI_PIXFMT(vis);
}
/* Set up palette */
if (LIBGGI_PAL(vis)->clut.data) {
free(LIBGGI_PAL(vis)->clut.data);
LIBGGI_PAL(vis)->clut.data = NULL;
}
if (GT_SCHEME(LIBGGI_GT(vis)) == GT_PALETTE) {
LIBGGI_PAL(vis)->clut.data = _ggi_malloc((1 << GT_DEPTH(LIBGGI_GT(vis))) *
sizeof(ggi_color));
LIBGGI_PAL(vis)->clut.size = 1 << GT_DEPTH(LIBGGI_GT(vis));
}
return 0;
}
int GGI_palemu_crossblit(struct ggi_visual *src, int sx, int sy, int w, int h,
struct ggi_visual *vis, int dx, int dy)
{
ggi_palemu_priv *priv = PALEMU_PRIV(vis);
UPDATE_MOD(vis, dx, dy, w, h);
return priv->mem_opdraw->crossblit(src, sx, sy, w, h, vis, dx, dy);
}
int GGI_palemu_setmode(struct ggi_visual *vis, ggi_mode *mode)
{
ggi_palemu_priv *priv = PALEMU_PRIV(vis);
int err;
DPRINT_MODE("display-palemu: setmode %dx%d#%dx%dF%d[0x%02x]\n",
mode->visible.x, mode->visible.y,
mode->virt.x, mode->virt.y,
mode->frames, mode->graphtype);
MANSYNC_ignore(vis);
if ((err = ggiCheckMode(vis->instance.stem, mode)) != 0) {
return err;
}
_ggiZapMode(vis, 0);
*LIBGGI_MODE(vis) = *mode;
priv->parent_mode.visible = mode->visible;
priv->parent_mode.virt = mode->virt;
priv->parent_mode.dpp = mode->dpp;
priv->parent_mode.size = mode->size;
priv->parent_mode.frames = 1;
if ((err = do_setmode(vis)) != 0) {
DPRINT_MODE("display-palemu: setmode failed (%d).\n", err);
return err;
}
priv->squish.x = mode->visible.x / target_width;
priv->squish.y = mode->visible.y / target_height;
DPRINT_MODE("display-palemu: Attempting to setmode on parent "
"visual...\n");
if (priv->target == PALEMU_TARGET) {
err = _ggi_palemu_Open(vis);
} else {
err = _ggi_monotext_Open(vis);
}
if (err != 0) {
return err;
}
/* Initialize palette */
ggiSetColorfulPalette(vis->instance.stem);
MANSYNC_SETFLAGS(vis, LIBGGI_FLAGS(vis));
MANSYNC_cont(vis);
DPRINT_MODE("display-palemu: setmode succeeded.\n");
return 0;
}
static int
transfer_gii_src(void *arg, uint32_t flag, void *data)
{
struct gg_stem *stem = arg;
ggi_palemu_priv *priv = PALEMU_PRIV(GGI_VISUAL(stem));
struct gii_source *src = data;
if (flag == GII_OBSERVE_SOURCE_OPENED)
giiTransfer(priv->parent, stem, src->origin);
return 0;
}
int GGI_monotext_copybox(struct ggi_visual *vis, int x, int y, int w, int h, int nx, int ny)
{
ggi_palemu_priv *priv = PALEMU_PRIV(vis);
int err;
err = priv->mem_opdraw->copybox(vis, x, y, w, h, nx, ny);
if (err < 0) {
return err;
}
return _ggi_monotext_Update(vis, nx, ny, w, h);
}
int GGI_monotext_putbox(struct ggi_visual *vis, int x, int y, int w, int h, const void *buffer)
{
ggi_palemu_priv *priv = PALEMU_PRIV(vis);
int err;
err = priv->mem_opdraw->putbox(vis, x, y, w, h, buffer);
if (err < 0) {
return err;
}
return _ggi_monotext_Update(vis, x, y, w, h);
}
int GGI_monotext_fillscreen(struct ggi_visual *vis)
{
ggi_palemu_priv *priv = PALEMU_PRIV(vis);
int err;
err = priv->mem_opdraw->fillscreen(vis);
if (err < 0) {
return err;
}
return _ggi_monotext_Update(vis, 0, 0,
LIBGGI_VIRTX(vis), LIBGGI_VIRTY(vis));
}
int GGI_palemu_drawline(struct ggi_visual *vis, int x1, int y1, int x2, int y2)
{
ggi_palemu_priv *priv = PALEMU_PRIV(vis);
int sx = MIN(x1, x2);
int sy = MIN(y1, y2);
int ex = MAX(x1, x2);
int ey = MAX(y1, y2);
UPDATE_MOD(vis, sx, sy, ex-sx+1, ey-sy+1);
return priv->mem_opdraw->drawline(vis, x1, y1, x2, y2);
}
int GGI_monotext_crossblit(struct ggi_visual *src, int sx, int sy, int w, int h,
struct ggi_visual *vis, int dx, int dy)
{
ggi_palemu_priv *priv = PALEMU_PRIV(vis);
int err;
err = priv->mem_opdraw->crossblit(src, sx, sy, w, h,
vis, dx, dy);
if (err < 0) {
return err;
}
return _ggi_monotext_Update(vis, dx, dy, w, h);
}
int GGI_palemu_getapi(struct ggi_visual *vis, int num, char *apiname, char *arguments)
{
ggi_palemu_priv *priv = PALEMU_PRIV(vis);
*arguments = '\0';
switch(num) {
case 0:
if (priv->target == PALEMU_TARGET)
strcpy(apiname, "display-palemu");
else
strcpy(apiname, "display-monotext");
return 0;
case 1:
strcpy(apiname, "generic-stubs");
return 0;
case 2:
snprintf(apiname, GGI_MAX_APILEN,
"generic-linear-%"PRIu32"%s",
GT_DEPTH(LIBGGI_GT(vis)),
(LIBGGI_GT(vis) & GT_SUB_HIGHBIT_RIGHT) ? "-r" : "");
return 0;
case 3:
strcpy(apiname, "generic-color");
return 0;
case 4:
strcpy(apiname, "generic-pseudo-stubs");
snprintf(arguments, GGI_MAX_APILEN,
"%p", (void *)PALEMU_PRIV(vis)->parent);
return 0;
}
return GGI_ENOMATCH;
}
int _ggi_palemu_Close(struct ggi_visual *vis)
{
ggi_palemu_priv *priv = PALEMU_PRIV(vis);
if (priv->palette != NULL) {
free(priv->palette);
priv->palette = NULL;
}
if (priv->lookup != NULL) {
free(priv->lookup);
priv->lookup = NULL;
}
return 0;
}
int GGI_palemu_setorigin(struct ggi_visual *vis, int x, int y)
{
ggi_palemu_priv *priv = PALEMU_PRIV(vis);
int err;
if ((err = ggiSetOrigin(priv->parent, x, y)) != 0) {
return err;
}
vis->origin_x = x;
vis->origin_y = y;
return 0;
}
int GGI_palemu_resetmode(struct ggi_visual *vis)
{
ggi_palemu_priv *priv = PALEMU_PRIV(vis);
DPRINT("display-palemu: GGIresetmode(%p)\n", vis);
if (priv->fb_ptr != NULL) {
_ggi_palemu_Close(vis);
_GGI_palemu_freedbs(vis);
free(priv->fb_ptr);
priv->fb_ptr = NULL;
}
return 0;
}
int _ggi_palemu_Transfer(struct ggi_visual *vis, int x, int y, int w, int h)
{
ggi_palemu_priv *priv = PALEMU_PRIV(vis);
int old_r_frame = vis->r_frame_num;
uint8_t src_buf[8192];
uint8_t dest_buf[8192];
priv->mem_opdraw->setreadframe(vis, vis->d_frame_num);
/* do transfer */
for (; h > 0; h--, y++) {
ggiGetHLine(vis->instance.stem, x, y, w, src_buf);
(* priv->do_blit)(priv, dest_buf, src_buf, w);
ggiPutHLine(priv->parent, x, y, w, dest_buf);
}
priv->mem_opdraw->setreadframe(vis, old_r_frame);
return 0;
}
int GGI_palemu_setPalette(ggi_visual_t vis, size_t start, size_t len, const ggi_color *colormap)
{
ggi_palemu_priv *priv = PALEMU_PRIV(vis);
const ggi_color *src = colormap;
size_t end = start + len;
DPRINT("display-palemu: SetPalette(%d,%d)\n", start, len);
if (start < 0 || start + len > 256) {
return GGI_ENOSPACE;
}
memcpy(LIBGGI_PAL(vis)->clut.data+start, src, len*sizeof(ggi_color));
if (end > start) {
UPDATE_MOD(vis, 0, 0, LIBGGI_VIRTX(vis), LIBGGI_VIRTY(vis));
}
for (; start < end; ++start, ++src) {
priv->palette[start] = *src;
priv->lookup[start] = ggiMapColor(priv->parent, src);
}
return 0;
}
int GGI_monotext_checkmode(struct ggi_visual *vis, ggi_mode *mode)
{
ggi_palemu_priv *priv = PALEMU_PRIV(vis);
int err = 0;
if ((vis == NULL) || (mode == NULL)) {
DPRINT_MODE("display-monotext: vis/mode == NULL\n");
return GGI_EARGINVAL;
}
DPRINT_MODE("display-monotext: checkmode %dx%d (gt=%d)\n",
mode->visible.x, mode->visible.y, mode->graphtype);
/* Handle GGI_AUTO */
if (mode->graphtype == GGI_AUTO) {
mode->graphtype = GT_8BIT;
}
if ((mode->visible.x == GGI_AUTO) &&
(mode->virt.x == GGI_AUTO)) {
mode->visible.x = mode->virt.x = target_width * priv->accuracy.x;
} else if (mode->virt.x == GGI_AUTO) {
mode->virt.x = mode->visible.x;
} else if ((mode->visible.x == GGI_AUTO) ||
(mode->visible.x > mode->virt.x)) {
mode->visible.x = mode->virt.y;
}
if ((mode->visible.y == GGI_AUTO) &&
(mode->virt.y == GGI_AUTO)) {
mode->visible.y = mode->virt.y = target_height * priv->accuracy.y;
} else if (mode->virt.y == GGI_AUTO) {
mode->virt.y = mode->visible.y;
} else if ((mode->visible.y == GGI_AUTO) ||
(mode->visible.y > mode->virt.y)) {
mode->visible.y = mode->virt.y;
}
if (mode->frames != 1 && mode->frames != GGI_AUTO) {
err = -1;
}
mode->frames = 1;
if ((mode->dpp.x != 1 && mode->dpp.x != GGI_AUTO) ||
(mode->dpp.y != 1 && mode->dpp.y != GGI_AUTO)) {
err = -1;
}
mode->dpp.x = mode->dpp.y = 1;
if (mode->size.x != GGI_AUTO || mode->size.y != GGI_AUTO) {
err = -1;
}
mode->size.x = mode->size.y = GGI_AUTO;
/* Check stuff */
if (mode->graphtype != GT_8BIT) {
mode->graphtype = GT_8BIT;
err = -1;
}
if (mode->visible.x != mode->virt.x) {
mode->virt.x = mode->visible.x;
err = -1;
}
if (mode->visible.y != mode->virt.y) {
mode->virt.y = mode->visible.y;
err = -1;
}
if (calc_squish(priv, mode, target_width, target_height) != 0) {
mode->visible.x = target_width * priv->accuracy.x;
mode->visible.y = target_width * priv->accuracy.y;
err = -1;
}
return err;
}
int _ggi_palemu_Open(struct ggi_visual *vis)
{
int rc;
ggi_palemu_priv *priv = PALEMU_PRIV(vis);
DPRINT("display-palemu: Open %dx%d#%dx%d\n", LIBGGI_X(vis),
LIBGGI_Y(vis), LIBGGI_VIRTX(vis), LIBGGI_VIRTY(vis));
/* set the parent mode */
rc = ggiSetMode(priv->parent, &priv->parent_mode);
if (rc < 0) {
DPRINT("display-palemu: Couldn't set parent mode.\n");
return rc;
}
DPRINT("display-palemu: parent is %d/%d\n",
GT_DEPTH(priv->parent_mode.graphtype),
GT_SIZE(priv->parent_mode.graphtype));
/* setup tables and choose blitter function */
switch (GT_ByPP(priv->parent_mode.graphtype)) {
case 1: priv->do_blit = &blitter_1;
break;
case 2: priv->do_blit = &blitter_2;
break;
case 3: priv->do_blit = &blitter_3;
break;
case 4: priv->do_blit = &blitter_4;
break;
default:
DPRINT("Unsupported pixel size '%d'.\n",
GT_SIZE(priv->parent_mode.graphtype));
return GGI_ENOMATCH;
}
priv->palette = _ggi_malloc(256 * sizeof(ggi_color));
priv->lookup = _ggi_malloc(256 * sizeof(ggi_pixel));
priv->red_gamma = priv->green_gamma = priv->blue_gamma = 1.0;
/* clear the 'dirty region' */
priv->dirty_tl.x = LIBGGI_VIRTX(vis);
priv->dirty_tl.y = LIBGGI_VIRTY(vis);
priv->dirty_br.x = 0;
priv->dirty_br.y = 0;
return 0;
}
static int do_setmode(struct ggi_visual *vis)
{
ggi_palemu_priv *priv = PALEMU_PRIV(vis);
char libname[GGI_MAX_APILEN], libargs[GGI_MAX_APILEN];
int err, id;
_GGI_palemu_freedbs(vis);
if ((err = do_dbstuff(vis)) != 0) {
return err;
}
/* load libraries */
for (id=1; GGI_palemu_getapi(vis, id, libname, libargs) == 0; id++) {
err = _ggiOpenDL(vis, libggi->config, libname, libargs, NULL);
if (err) {
fprintf(stderr, "display-palemu: Error opening "
" %s (%s) library.\n", libname, libargs);
return GGI_EFATAL;
}
DPRINT("Success in loading %s (%s)\n", libname, libargs);
}
/* Backup the current 2D operations, and override them with our
* own (which then call on these backups to do the work).
*/
priv->mem_opdraw = _ggi_malloc(sizeof(struct ggi_visual_opdraw));
*priv->mem_opdraw = *vis->opdraw;
if (priv->target == PALEMU_TARGET) {
vis->opdraw->putbox = GGI_palemu_putbox;
vis->opdraw->drawbox = GGI_palemu_drawbox;
vis->opdraw->copybox = GGI_palemu_copybox;
vis->opdraw->crossblit = GGI_palemu_crossblit;
vis->opdraw->fillscreen = GGI_palemu_fillscreen;
} else {
vis->opdraw->putbox = GGI_monotext_putbox;
vis->opdraw->drawbox = GGI_monotext_drawbox;
vis->opdraw->copybox = GGI_monotext_copybox;
vis->opdraw->crossblit = GGI_monotext_crossblit;
vis->opdraw->fillscreen = GGI_monotext_fillscreen;
}
vis->opdraw->drawpixel_nc=GGI_palemu_drawpixel_nc;
vis->opdraw->drawpixel=GGI_palemu_drawpixel;
vis->opdraw->drawhline_nc=GGI_palemu_drawhline_nc;
vis->opdraw->drawhline=GGI_palemu_drawhline;
vis->opdraw->drawvline_nc=GGI_palemu_drawvline_nc;
vis->opdraw->drawvline=GGI_palemu_drawvline;
vis->opdraw->drawline=GGI_palemu_drawline;
vis->opdraw->putc=GGI_palemu_putc;
vis->opdraw->putpixel_nc=GGI_palemu_putpixel_nc;
vis->opdraw->putpixel=GGI_palemu_putpixel;
vis->opdraw->puthline=GGI_palemu_puthline;
vis->opdraw->putvline=GGI_palemu_putvline;
vis->opdraw->setorigin=GGI_palemu_setorigin;
/* colormap initialization */
LIBGGI_PAL(vis)->setPalette = GGI_palemu_setPalette;
vis->opdraw->setreadframe=GGI_palemu_setreadframe;
vis->opdraw->setwriteframe=GGI_palemu_setwriteframe;
vis->opdraw->setdisplayframe=GGI_palemu_setdisplayframe;
ggiIndicateChange(vis->instance.stem, GGI_CHG_APILIST);
/* set initial frames */
priv->mem_opdraw->setreadframe(vis, 0);
priv->mem_opdraw->setwriteframe(vis, 0);
return 0;
}
int GGI_palemu_checkmode(struct ggi_visual *vis, ggi_mode *mode)
{
ggi_palemu_priv *priv = PALEMU_PRIV(vis);
ggi_mode par_mode;
int tmperr, err = 0;
DPRINT_MODE("display-palemu: checkmode %dx%d#%dx%dF%d[0x%02x]\n",
mode->visible.x, mode->visible.y,
mode->virt.x, mode->virt.y,
mode->frames, mode->graphtype);
/* Handle graphtype */
if (GT_SCHEME(mode->graphtype) == GT_AUTO) {
GT_SETSCHEME(mode->graphtype, GT_PALETTE);
}
mode->graphtype = _GGIhandle_gtauto(mode->graphtype);
if (GT_SCHEME(mode->graphtype) != GT_PALETTE) {
GT_SETSCHEME(mode->graphtype, GT_PALETTE);
err = -1;
}
if (GT_DEPTH(mode->graphtype) > 8) {
GT_SETDEPTH(mode->graphtype, 8);
err = -1;
}
if (GT_SIZE(mode->graphtype) != GT_DEPTH(mode->graphtype)) {
GT_SETSIZE(mode->graphtype, GT_DEPTH(mode->graphtype));
err = -1;
}
/* Handle geometry */
if (mode->visible.x == GGI_AUTO) {
mode->visible.x = priv->parent_defmode.visible.x;
}
if (mode->visible.y == GGI_AUTO) {
mode->visible.y = priv->parent_defmode.visible.y;
}
if (mode->virt.x == GGI_AUTO) {
mode->virt.x = priv->parent_defmode.virt.x;
}
if (mode->virt.y == GGI_AUTO) {
mode->virt.y = priv->parent_defmode.virt.y;
}
if (mode->dpp.x == GGI_AUTO) {
mode->dpp.x = priv->parent_defmode.dpp.x;
}
if (mode->dpp.y == GGI_AUTO) {
mode->dpp.y = priv->parent_defmode.dpp.y;
}
if (mode->size.x == GGI_AUTO) {
mode->size.x = priv->parent_defmode.size.x;
}
if (mode->size.y == GGI_AUTO) {
mode->size.y = priv->parent_defmode.size.y;
}
if (mode->frames == GGI_AUTO) {
mode->frames = 1;
}
/* Now check mode against the parent target (letting the parent
* target handle any remaining GT_AUTO and GGI_AUTO values).
*/
par_mode = *mode;
par_mode.graphtype = priv->parent_defmode.graphtype;
tmperr = ggiCheckMode(priv->parent, &par_mode);
if (tmperr) err = tmperr;
mode->visible = par_mode.visible;
mode->virt = par_mode.virt;
mode->dpp = par_mode.dpp;
mode->size = par_mode.size;
/* When the parent is palettized, we must limit the
* resulting depth to be <= the parent depth.
*/
if ((GT_SCHEME(par_mode.graphtype) == GT_PALETTE) &&
(GT_DEPTH(par_mode.graphtype) <
GT_DEPTH(mode->graphtype))) {
GT_SETDEPTH(mode->graphtype,
GT_DEPTH(par_mode.graphtype));
GT_SETSIZE(mode->graphtype,
GT_DEPTH(par_mode.graphtype));
err = -1;
}
DPRINT_MODE("display-palemu: result %d %dx%d#%dx%dF%d[0x%02x]\n",
err, mode->visible.x, mode->visible.y,
mode->virt.x, mode->virt.y,
mode->frames, mode->graphtype);
return err;
}