/* Zeros out the palette/gamma entries. Called before changing modes. */
void GGI_fbdev_color0(ggi_visual *vis)
{
if (LIBGGI_PAL(vis)->clut.data == NULL) return; /* New visual. */
vis->opcolor->setpalvec(vis, 0, 1 << GT_DEPTH(LIBGGI_GT(vis)),
LIBGGI_PAL(vis)->clut.data);
vis->opcolor->setgammamap(vis, 0, vis->gamma->len,
LIBGGI_PAL(vis)->clut.data);
}
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_monotext_setPalette(ggi_visual_t vis, size_t start, size_t size, const ggi_color *colormap)
{
ggi_monotext_priv *priv = MONOTEXT_PRIV(vis);
const ggi_color *src = colormap;
size_t end = start + size - 1;
DPRINT("display-monotext: SetPalette(%d,%d)\n", start, size);
memcpy(LIBGGI_PAL(vis)->clut.data+start, colormap, size*sizeof(ggi_color));
if (end > start) {
UPDATE_MOD(priv, 0, 0, priv->size.x, priv->size.y);
}
for (; start<=end; ++start, ++src) {
int r = (src->r >> 11) & 0x1f;
int g = (src->g >> 11) & 0x1f;
int b = (src->b >> 11) & 0x1f;
priv->colormap[start] = *src;
priv->greymap[start] = priv->rgb_to_grey[(r << 10) | (g << 5) | b];
}
UPDATE_SYNC;
return 0;
}
int
GGI_directx_DDChangePalette(struct ggi_visual *vis)
{
directx_priv *priv = LIBGGI_PRIVATE(vis);
int start = LIBGGI_PAL(vis)->rw_start;
int stop = LIBGGI_PAL(vis)->rw_stop;
ggi_color *clut = LIBGGI_PAL(vis)->clut.data;
HRESULT hr;
int x;
static PALETTEENTRY pal[256];
LIB_ASSERT(priv->lpddp, "No palette!\n");
if (start >= stop)
return 0;
for (x = start; x < stop; x++) {
pal[x].peFlags = PC_NOCOLLAPSE;
pal[x].peRed = clut[x].r >> 8;
pal[x].peGreen = clut[x].g >> 8;
pal[x].peBlue = clut[x].b >> 8;
}
/*
for (x = 0; x < 10; x++) {
pal[x].peFlags = pal[x+246].peFlags = PC_EXPLICIT;
pal[x].peRed = x;
pal[x+246].peRed = x+246;
pal[x].peGreen = pal[x].peBlue = 0;
}
*/
hr = IDirectDrawPalette_SetEntries(
priv->lpddp, 0, start, stop - start, &pal[start]);
if (hr != 0) {
fprintf(stderr, "DDP_SetEntries Failed RC = %ld. Exiting\n",
hr & 0xffff);
exit(-1);
}
return 0;
}
int GGI_aa_setPalette(struct ggi_visual *vis,size_t start,size_t size, const ggi_color *colormap)
{
aa_palette *pal = (aa_palette*)(LIBGGI_PAL(vis)->priv);
ggi_color *dest = LIBGGI_PAL(vis)->clut.data + start;
const ggi_color *src = colormap;
size_t end = start + size;
DPRINT_COLOR("AA setpalette.(%d,%d) %d\n",
start,size,LIBGGI_PAL(vis)->clut.size);
for (; start<end; ++start, ++dest) {
*dest = *(src++);
aa_setpalette(*pal, start, dest->r>>8,
dest->g>>8,
dest->b>>8 );
}
return 0;
}
static int do_setmode(struct ggi_visual *vis)
{
char libname[GGI_MAX_APILEN], libargs[GGI_MAX_APILEN];
ggi_graphtype gt;
int err, id;
err = do_mmap(vis);
if (err) return err;
_ggiZapMode(vis, 0);
for (id=1; GGI_lcd823_getapi(vis, id, libname, libargs) == 0; id++) {
if (_ggiOpenDL(vis, libggi->config, libname, libargs, NULL) != 0) {
fprintf(stderr,"display-lcd823: Error opening the "
"%s (%s) library.\n", libname, libargs);
return GGI_EFATAL;
}
DPRINT_LIBS("Success in loading %s (%s)\n",
libname, libargs);
}
/* Set up palette */
gt = LIBGGI_GT(vis);
if ((GT_SCHEME(gt) == GT_PALETTE) || (GT_SCHEME(gt) == GT_TEXT)) {
int nocols = 1 << GT_DEPTH(gt);
LIBGGI_PAL(vis)->clut.size = nocols;
LIBGGI_PAL(vis)->clut.data = _ggi_malloc(nocols * sizeof(ggi_color));
LIBGGI_PAL(vis)->priv = _ggi_malloc(256 * sizeof(uint16_t));
LIBGGI_PAL(vis)->setPalette = GGI_lcd823_setPalette;
LIBGGI_PAL(vis)->getPrivSize = GGI_lcd823_getPrivSize;
/* Initialize palette */
ggiSetColorfulPalette(vis);
}
ggiIndicateChange(vis, GGI_CHG_APILIST);
DPRINT_MODE("display-lcd823: do_setmode SUCCESS\n");
return 0;
}
/* Free palette/gamma entries. Called before changing modes. */
void GGI_fbdev_color_free(ggi_visual *vis)
{
ggi_fbdev_priv *priv = FBDEV_PRIV(vis);
/* Unhook the entry points */
LIBGGI_PAL(vis)->setPalette = NULL;
LIBGGI_PAL(vis)->getPrivSize = NULL;
vis->opcolor->getpalvec = NULL; /* ##### */
vis->opcolor->setgammamap = NULL;
vis->opcolor->getgammamap = NULL;
/* Free the convenience array */
free (LIBGGI_PAL(vis)->priv);
LIBGGI_PAL(vis)->priv = NULL;
/*
* Clean up any pointers that could be problematic if left set.
* Technically they should be taken care of below, but why not...
*/
priv->reds = priv->greens = priv->blues = NULL;
vis->gamma = NULL;
/* Free the storage area for the palettes. */
priv->gamma.map = priv->orig_cmap = NULL;
free (LIBGGI_PAL(vis)->clut.data);
LIBGGI_PAL(vis)->clut.data = NULL;
}
int GGI_lcd823_setmode(struct ggi_visual *vis, ggi_mode *mode)
{
int err;
if ((err = ggiCheckMode(vis, mode)) != 0) {
return err;
}
if (LIBGGI_PAL(vis)->clut.data) {
free(LIBGGI_PAL(vis)->clut.data);
LIBGGI_PAL(vis)->clut.data = NULL;
}
if (LIBGGI_PAL(vis)->priv) {
free(LIBGGI_PAL(vis)->priv);
LIBGGI_PAL(vis)->priv = NULL;
}
_GGI_lcd823_free_dbs(vis);
memcpy(LIBGGI_MODE(vis), mode, sizeof(ggi_mode));
/* Now actually set the mode */
err = do_setmode(vis);
if (err != 0) {
return err;
}
/* Reset panning and frames */
vis->d_frame_num = vis->origin_x = vis->origin_y = 0;
return 0;
}
int
GGI_kgi_setPalette(struct ggi_visual *vis, size_t start, size_t len, const ggi_color *colormap)
{
kgic_ilut_set_request_t ilut;
size_t nocols = 1 << GT_DEPTH(LIBGGI_GT(vis));
APP_ASSERT(colormap != NULL,
"GGI_kgi_setPalette() - colormap == NULL");
DPRINT_COLOR("display-kgi: SetPalVec(%d,%d)\n", start, len);
if (start == (size_t)GGI_PALETTE_DONTCARE) {
start = 0;
}
if ((start < 0) || (len < 0) || (start+len > nocols)) {
return GGI_ENOSPACE;
}
memcpy(LIBGGI_PAL(vis)->clut.data, colormap, len*sizeof(ggi_color));
ilut.image = 0;
ilut.resource = 0;
ilut.lut = 0;
ilut.idx = start;
ilut.cnt = len;
ilut.am = KGI_AM_COLORS;
ilut.data = (kgi_u16_t *)KGI_PRIV(vis);
for (start = 0; len > 0; start++, colormap++, len--) {
ilut.data[start*3] = colormap->r;
ilut.data[start*3 + 1] = colormap->g;
ilut.data[start*3 + 2] = colormap->b;
}
if(kgiSetIlut(&KGI_CTX(vis), &ilut) != KGI_EOK) {
DPRINT_COLOR("display-kgi: PUTCMAP failed.");
return -1;
}
return 0;
}
int GGI_quartz_setpalvec(struct ggi_visual *vis,int start,int len,const ggi_color *colormap)
{
CGTableCount i;
CGDeviceColor color;
ggi_quartz_priv *priv;
priv = QUARTZ_PRIV(vis);
DPRINT("quartz setpalette.\n");
if (start == GGI_PALETTE_DONTCARE) {
if (len > priv->ncols) {
return GGI_ENOSPACE;
} /* if */
start = priv->ncols - len;
} /* if */
if (start+len > priv->ncols || start < 0)
return GGI_ENOSPACE;
memcpy(LIBGGI_PAL(vis)->clut.data+start, colormap, len*sizeof(ggi_color));
for (i = (unsigned)start; i < (unsigned)start+len; i++) {
/* Clamp colors between 0.0 and 1.0 */
color.red = (uint16_t)(colormap->r / 65535.0);
color.green = (uint16_t)(colormap->g / 65535.0);
color.blue = (uint16_t)(colormap->b / 65535.0);
colormap++;
CGPaletteSetColorAtIndex (priv->palette, color, i);
} /* for */
if ( CGDisplayNoErr != CGDisplaySetPalette (priv->display_id, priv->palette) )
return 0;
return 0;
} /* GGI_quartz_setpalvec */
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;
}
static int GGI_fbdev_setPalette(ggi_visual *vis, size_t start, size_t size,
const ggi_color *colormap)
{
ggi_fbdev_priv *priv = FBDEV_PRIV(vis);
struct fb_cmap cmap;
int len = (int)size;
const ggi_color* src = colormap;
DPRINT_COLOR("display-fbdev: SetPalette(%d,%d)\n", start, size);
memcpy(LIBGGI_PAL(vis)->clut.data+start, colormap, size*sizeof(ggi_color));
if (!priv->ismapped) return 0;
cmap.start = start;
cmap.len = size;
cmap.red = priv->reds + start;
cmap.green = priv->greens + start;
cmap.blue = priv->blues + start;
cmap.transp = NULL;
for (; len > 0; start++, src++, len--) {
priv->reds[start] = src->r;
priv->greens[start] = src->g;
priv->blues[start] = src->b;
}
if (fbdev_doioctl(vis, FBIOPUTCMAP, &cmap) < 0) {
DPRINT_COLOR("display-fbdev: PUTCMAP failed.");
return -1;
}
return 0;
}
size_t GGI_kgi_getPrivSize(struct ggi_visual *vis)
{
return (3 * LIBGGI_PAL(vis)->clut.size * sizeof(int));
}
void GGI_fbdev_color_setup(ggi_visual *vis)
{
ggi_fbdev_priv *priv = FBDEV_PRIV(vis);
struct fb_cmap cmap;
int len;
/* We rely on caller to have deallocated old storage */
priv->orig_cmap = LIBGGI_PAL(vis)->clut.data = priv->gamma.map = NULL;
vis->gamma = NULL;
priv->reds = priv->greens = priv->blues = NULL;
priv->gamma.maxread_r = priv->gamma.maxread_g =
priv->gamma.maxread_b = priv->gamma.maxread_r =
priv->gamma.maxwrite_g = priv->gamma.maxwrite_b = -1;
priv->gamma.len = priv->gamma.start = 0;
if (!priv->var.bits_per_pixel) return;
if (priv->fix.visual == FB_VISUAL_TRUECOLOR) return; /* No gamma. */
if (priv->fix.visual == FB_VISUAL_DIRECTCOLOR) {
DPRINT("display-fbdev: trying gamma.\n");
priv->gamma.maxwrite_r = priv->gamma.maxread_r =
1 << priv->var.red.length;
priv->gamma.maxwrite_g = priv->gamma.maxread_g =
1 << priv->var.green.length;
priv->gamma.maxwrite_b = priv->gamma.maxread_b =
1 << priv->var.blue.length;
len = priv->gamma.maxread_r;
if (len < priv->gamma.maxread_g)
len = priv->gamma.maxread_g;
if (len < priv->gamma.maxread_b)
len = priv->gamma.maxread_b;
priv->gamma.len = len;
priv->gamma.start = 0;
LIBGGI_PAL(vis)->clut.size = len * 2;
LIBGGI_PAL(vis)->clut.data = calloc(len * 2 /* orig */, sizeof(ggi_color));
if (LIBGGI_PAL(vis)->clut.data == NULL) return;
priv->gamma.map = LIBGGI_PAL(vis)->clut.data;
/* All of the above is moot until we turn it on like so: */
vis->gamma = &(priv->gamma);
} else {
DPRINT("display-fbdev: trying palette.\n");
len = 1 << priv->var.bits_per_pixel;
LIBGGI_PAL(vis)->clut.size = len * 2;
LIBGGI_PAL(vis)->clut.data = calloc(len * 2 /* orig */, sizeof(ggi_color));
if (LIBGGI_PAL(vis)->clut.data == NULL) return;
}
cmap.start = 0;
cmap.len = len;
cmap.red = calloc(len * 3, 2);
if (cmap.red == NULL) goto bail;
cmap.green = cmap.red + len;
cmap.blue = cmap.green + len;
cmap.transp = NULL;
if (ioctl(LIBGGI_FD(vis), FBIOGETCMAP, &cmap) < 0) {
DPRINT_COLOR("display-fbdev: GETCMAP failed.\n");
free(cmap.red);
goto bail;
}
priv->orig_cmap = LIBGGI_PAL(vis)->clut.data + len;
if (vis->gamma != NULL) {
DPRINT_COLOR("display-fbdev: Saved gamma (len=%d/%d/%d).\n",
priv->gamma.maxread_r, priv->gamma.maxread_g,
priv->gamma.maxread_b);
while (len--) {
if (len < priv->gamma.maxread_r)
priv->orig_cmap[len].r = cmap.red[len];
if (len < priv->gamma.maxread_g)
priv->orig_cmap[len].g = cmap.green[len];
if (len < priv->gamma.maxread_b)
priv->orig_cmap[len].b = cmap.blue[len];
}
vis->opcolor->getgammamap = GGI_fbdev_getgammamap;
vis->opcolor->setgammamap = GGI_fbdev_setgammamap;
}
else {
DPRINT_COLOR("display-fbdev: Saved palette (len=%d).\n",
len);
while (len--) {
priv->orig_cmap[len].r = cmap.red[len];
priv->orig_cmap[len].g = cmap.green[len];
priv->orig_cmap[len].b = cmap.blue[len];
}
if (priv->fix.visual != FB_VISUAL_STATIC_PSEUDOCOLOR) {
LIBGGI_PAL(vis)->setPalette = GGI_fbdev_setPalette;
LIBGGI_PAL(vis)->getPrivSize = GGI_fbdev_getPrivSize;
}
}
LIBGGI_PAL(vis)->priv = cmap.red;
priv->reds = cmap.red;
priv->greens = cmap.green;
priv->blues = cmap.blue;
return;
bail:
free(LIBGGI_PAL(vis)->clut.data);
LIBGGI_PAL(vis)->clut.data = NULL;
vis->gamma = NULL;
return;
}
static size_t GGI_fbdev_getPrivSize(ggi_visual_t vis)
{
return (LIBGGI_PAL(vis)->clut.size * 3);
}
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;
}