diff options
Diffstat (limited to 'cfb/cfbcmap.c')
| -rw-r--r-- | cfb/cfbcmap.c | 548 |
1 files changed, 39 insertions, 509 deletions
diff --git a/cfb/cfbcmap.c b/cfb/cfbcmap.c index 103860e86..1830ffa5e 100644 --- a/cfb/cfbcmap.c +++ b/cfb/cfbcmap.c @@ -27,6 +27,7 @@ OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. ********************************************************/ +/* $XFree86: xc/programs/Xserver/cfb/cfbcmap.c,v 3.13 2001/01/17 22:36:34 dawes Exp $ */ #include "X.h" @@ -34,403 +35,65 @@ THE USE OR PERFORMANCE OF THIS SOFTWARE. #include "scrnintstr.h" #include "colormapst.h" #include "resource.h" - -#ifdef STATIC_COLOR - -static ColormapPtr InstalledMaps[MAXSCREENS]; +#include "micmap.h" +#include "cfb.h" int -cfbListInstalledColormaps(pScreen, pmaps) - ScreenPtr pScreen; - Colormap *pmaps; +cfbListInstalledColormaps(ScreenPtr pScreen, Colormap *pmaps) { - /* By the time we are processing requests, we can guarantee that there - * is always a colormap installed */ - *pmaps = InstalledMaps[pScreen->myNum]->mid; - return (1); + return miListInstalledColormaps(pScreen, pmaps); } - void -cfbInstallColormap(pmap) - ColormapPtr pmap; +cfbInstallColormap(ColormapPtr pmap) { - int index = pmap->pScreen->myNum; - ColormapPtr oldpmap = InstalledMaps[index]; - - if(pmap != oldpmap) - { - /* Uninstall pInstalledMap. No hardware changes required, just - * notify all interested parties. */ - if(oldpmap != (ColormapPtr)None) - WalkTree(pmap->pScreen, TellLostMap, (char *)&oldpmap->mid); - /* Install pmap */ - InstalledMaps[index] = pmap; - WalkTree(pmap->pScreen, TellGainedMap, (char *)&pmap->mid); - - } + miInstallColormap(pmap); } void -cfbUninstallColormap(pmap) - ColormapPtr pmap; +cfbUninstallColormap(ColormapPtr pmap) { - int index = pmap->pScreen->myNum; - ColormapPtr curpmap = InstalledMaps[index]; - - if(pmap == curpmap) - { - if (pmap->mid != pmap->pScreen->defColormap) - { - curpmap = (ColormapPtr) LookupIDByType(pmap->pScreen->defColormap, - RT_COLORMAP); - (*pmap->pScreen->InstallColormap)(curpmap); - } - } + miUninstallColormap(pmap); } -#endif - void -cfbResolveColor(pred, pgreen, pblue, pVisual) - unsigned short *pred, *pgreen, *pblue; - register VisualPtr pVisual; +cfbResolveColor(unsigned short *pred, + unsigned short *pgreen, + unsigned short *pblue, + VisualPtr pVisual) { - int shift = 16 - pVisual->bitsPerRGBValue; - unsigned lim = (1 << pVisual->bitsPerRGBValue) - 1; - - if ((pVisual->class == PseudoColor) || (pVisual->class == DirectColor)) - { - /* rescale to rgb bits */ - *pred = ((*pred >> shift) * 65535) / lim; - *pgreen = ((*pgreen >> shift) * 65535) / lim; - *pblue = ((*pblue >> shift) * 65535) / lim; - } - else if (pVisual->class == GrayScale) - { - /* rescale to gray then rgb bits */ - *pred = (30L * *pred + 59L * *pgreen + 11L * *pblue) / 100; - *pblue = *pgreen = *pred = ((*pred >> shift) * 65535) / lim; - } - else if (pVisual->class == StaticGray) - { - unsigned limg = pVisual->ColormapEntries - 1; - /* rescale to gray then [0..limg] then [0..65535] then rgb bits */ - *pred = (30L * *pred + 59L * *pgreen + 11L * *pblue) / 100; - *pred = ((((*pred * (limg + 1))) >> 16) * 65535) / limg; - *pblue = *pgreen = *pred = ((*pred >> shift) * 65535) / lim; - } - else - { - unsigned limr, limg, limb; - - limr = pVisual->redMask >> pVisual->offsetRed; - limg = pVisual->greenMask >> pVisual->offsetGreen; - limb = pVisual->blueMask >> pVisual->offsetBlue; - /* rescale to [0..limN] then [0..65535] then rgb bits */ - *pred = ((((((*pred * (limr + 1)) >> 16) * - 65535) / limr) >> shift) * 65535) / lim; - *pgreen = ((((((*pgreen * (limg + 1)) >> 16) * - 65535) / limg) >> shift) * 65535) / lim; - *pblue = ((((((*pblue * (limb + 1)) >> 16) * - 65535) / limb) >> shift) * 65535) / lim; - } + miResolveColor(pred, pgreen, pblue, pVisual); } Bool -cfbInitializeColormap(pmap) - register ColormapPtr pmap; +cfbInitializeColormap(ColormapPtr pmap) { - register unsigned i; - register VisualPtr pVisual; - unsigned lim, maxent, shift; - - pVisual = pmap->pVisual; - lim = (1 << pVisual->bitsPerRGBValue) - 1; - shift = 16 - pVisual->bitsPerRGBValue; - maxent = pVisual->ColormapEntries - 1; - if (pVisual->class == TrueColor) - { - unsigned limr, limg, limb; - - limr = pVisual->redMask >> pVisual->offsetRed; - limg = pVisual->greenMask >> pVisual->offsetGreen; - limb = pVisual->blueMask >> pVisual->offsetBlue; - for(i = 0; i <= maxent; i++) - { - /* rescale to [0..65535] then rgb bits */ - pmap->red[i].co.local.red = - ((((i * 65535) / limr) >> shift) * 65535) / lim; - pmap->green[i].co.local.green = - ((((i * 65535) / limg) >> shift) * 65535) / lim; - pmap->blue[i].co.local.blue = - ((((i * 65535) / limb) >> shift) * 65535) / lim; - } - } - else if (pVisual->class == StaticColor) - { - unsigned limr, limg, limb; - - limr = pVisual->redMask >> pVisual->offsetRed; - limg = pVisual->greenMask >> pVisual->offsetGreen; - limb = pVisual->blueMask >> pVisual->offsetBlue; - for(i = 0; i <= maxent; i++) - { - /* rescale to [0..65535] then rgb bits */ - pmap->red[i].co.local.red = - ((((((i & pVisual->redMask) >> pVisual->offsetRed) - * 65535) / limr) >> shift) * 65535) / lim; - pmap->red[i].co.local.green = - ((((((i & pVisual->greenMask) >> pVisual->offsetGreen) - * 65535) / limg) >> shift) * 65535) / lim; - pmap->red[i].co.local.blue = - ((((((i & pVisual->blueMask) >> pVisual->offsetBlue) - * 65535) / limb) >> shift) * 65535) / lim; - } - } - else if (pVisual->class == StaticGray) - { - for(i = 0; i <= maxent; i++) - { - /* rescale to [0..65535] then rgb bits */ - pmap->red[i].co.local.red = ((((i * 65535) / maxent) >> shift) - * 65535) / lim; - pmap->red[i].co.local.green = pmap->red[i].co.local.red; - pmap->red[i].co.local.blue = pmap->red[i].co.local.red; - } - } - return TRUE; + return miInitializeColormap(pmap); } -/* When simulating DirectColor on PseudoColor hardware, multiple - entries of the colormap must be updated - */ - -#define AddElement(mask) { \ - pixel = red | green | blue; \ - for (i = 0; i < nresult; i++) \ - if (outdefs[i].pixel == pixel) \ - break; \ - if (i == nresult) \ - { \ - nresult++; \ - outdefs[i].pixel = pixel; \ - outdefs[i].flags = 0; \ - } \ - outdefs[i].flags |= (mask); \ - outdefs[i].red = pmap->red[red >> pVisual->offsetRed].co.local.red; \ - outdefs[i].green = pmap->green[green >> pVisual->offsetGreen].co.local.green; \ - outdefs[i].blue = pmap->blue[blue >> pVisual->offsetBlue].co.local.blue; \ -} - -cfbExpandDirectColors (pmap, ndef, indefs, outdefs) - ColormapPtr pmap; - int ndef; - xColorItem *indefs, *outdefs; +int +cfbExpandDirectColors (ColormapPtr pmap, int ndef, + xColorItem *indefs, xColorItem *outdefs) { - int minred, mingreen, minblue; - register int red, green, blue; - int maxred, maxgreen, maxblue; - int stepred, stepgreen, stepblue; - VisualPtr pVisual; - register int pixel; - register int nresult; - register int i; - - pVisual = pmap->pVisual; - - stepred = 1 << pVisual->offsetRed; - stepgreen = 1 << pVisual->offsetGreen; - stepblue = 1 << pVisual->offsetBlue; - maxred = pVisual->redMask; - maxgreen = pVisual->greenMask; - maxblue = pVisual->blueMask; - nresult = 0; - for (;ndef--; indefs++) - { - if (indefs->flags & DoRed) - { - red = indefs->pixel & pVisual->redMask; - for (green = 0; green <= maxgreen; green += stepgreen) - { - for (blue = 0; blue <= maxblue; blue += stepblue) - { - AddElement (DoRed) - } - } - } - if (indefs->flags & DoGreen) - { - green = indefs->pixel & pVisual->greenMask; - for (red = 0; red <= maxred; red += stepred) - { - for (blue = 0; blue <= maxblue; blue += stepblue) - { - AddElement (DoGreen) - } - } - } - if (indefs->flags & DoBlue) - { - blue = indefs->pixel & pVisual->blueMask; - for (red = 0; red <= maxred; red += stepred) - { - for (green = 0; green <= maxgreen; green += stepgreen) - { - AddElement (DoBlue) - } - } - } - } - return nresult; + return miExpandDirectColors(pmap, ndef, indefs, outdefs); } Bool -cfbCreateDefColormap(pScreen) - ScreenPtr pScreen; +cfbCreateDefColormap(ScreenPtr pScreen) { -/* - * In the following sources PC X server vendors may want to delete - * "_not_tog" from "#ifdef WIN32_not_tog" - */ -#ifdef WIN32_not_tog - /* - * these are the MS-Windows desktop colors, adjusted for X's 16-bit - * color specifications. - */ - static xColorItem citems[] = { - { 0, 0, 0, 0, 0, 0 }, - { 1, 0x8000, 0, 0, 0, 0 }, - { 2, 0, 0x8000, 0, 0, 0 }, - { 3, 0x8000, 0x8000, 0, 0, 0 }, - { 4, 0, 0, 0x8000, 0, 0 }, - { 5, 0x8000, 0, 0x8000, 0, 0 }, - { 6, 0, 0x8000, 0x8000, 0, 0 }, - { 7, 0xc000, 0xc000, 0xc000, 0, 0 }, - { 8, 0xc000, 0xdc00, 0xc000, 0, 0 }, - { 9, 0xa600, 0xca00, 0xf000, 0, 0 }, - { 246, 0xff00, 0xfb00, 0xf000, 0, 0 }, - { 247, 0xa000, 0xa000, 0xa400, 0, 0 }, - { 248, 0x8000, 0x8000, 0x8000, 0, 0 }, - { 249, 0xff00, 0, 0, 0, 0 }, - { 250, 0, 0xff00, 0, 0, 0 }, - { 251, 0xff00, 0xff00, 0, 0, 0 }, - { 252, 0, 0, 0xff00, 0, 0 }, - { 253, 0xff00, 0, 0xff00, 0, 0 }, - { 254, 0, 0xff00, 0xff00, 0, 0 }, - { 255, 0xff00, 0xff00, 0xff00, 0, 0 } - }; -#define NUM_DESKTOP_COLORS sizeof citems / sizeof citems[0] - int i; -#else - unsigned short zero = 0, ones = 0xFFFF; -#endif - Pixel wp, bp; - VisualPtr pVisual; - ColormapPtr cmap; - - for (pVisual = pScreen->visuals; - pVisual->vid != pScreen->rootVisual; - pVisual++) - ; - - if (CreateColormap(pScreen->defColormap, pScreen, pVisual, &cmap, - (pVisual->class & DynamicClass) ? AllocNone : AllocAll, - 0) - != Success) - return FALSE; - wp = pScreen->whitePixel; - bp = pScreen->blackPixel; -#ifdef WIN32_not_tog - for (i = 0; i < NUM_DESKTOP_COLORS; i++) { - if (AllocColor (cmap, - &citems[i].red, &citems[i].green, &citems[i].blue, - &citems[i].pixel, 0) != Success) - return FALSE; - } -#else - if ((AllocColor(cmap, &ones, &ones, &ones, &wp, 0) != - Success) || - (AllocColor(cmap, &zero, &zero, &zero, &bp, 0) != - Success)) - return FALSE; - pScreen->whitePixel = wp; - pScreen->blackPixel = bp; -#endif - (*pScreen->InstallColormap)(cmap); - return TRUE; + return miCreateDefColormap(pScreen); } -extern int defaultColorVisualClass; - -#define _RZ(d) ((d + 2) / 3) -#define _RS(d) 0 -#define _RM(d) ((1 << _RZ(d)) - 1) -#define _GZ(d) ((d - _RZ(d) + 1) / 2) -#define _GS(d) _RZ(d) -#define _GM(d) (((1 << _GZ(d)) - 1) << _GS(d)) -#define _BZ(d) (d - _RZ(d) - _GZ(d)) -#define _BS(d) (_RZ(d) + _GZ(d)) -#define _BM(d) (((1 << _BZ(d)) - 1) << _BS(d)) -#define _CE(d) (1 << _RZ(d)) - -#define MAX_PSEUDO_DEPTH 10 /* largest DAC size I know */ - -#define StaticGrayMask (1 << StaticGray) -#define GrayScaleMask (1 << GrayScale) -#define StaticColorMask (1 << StaticColor) -#define PseudoColorMask (1 << PseudoColor) -#define TrueColorMask (1 << TrueColor) -#define DirectColorMask (1 << DirectColor) - -#define ALL_VISUALS (StaticGrayMask|\ - GrayScaleMask|\ - StaticColorMask|\ - PseudoColorMask|\ - TrueColorMask|\ - DirectColorMask) - -#define LARGE_VISUALS (TrueColorMask|\ - DirectColorMask) - -typedef struct _cfbVisuals { - struct _cfbVisuals *next; - int depth; - int bitsPerRGB; - int visuals; - int count; -} cfbVisualsRec, *cfbVisualsPtr; - -static int cfbVisualPriority[] = { - PseudoColor, DirectColor, GrayScale, StaticColor, TrueColor, StaticGray -}; - -#define NUM_PRIORITY 6 - -static cfbVisualsPtr cfbVisuals; +void +cfbClearVisualTypes(void) +{ + miClearVisualTypes(); +} Bool -cfbSetVisualTypes (depth, visuals, bitsPerRGB) - int depth; - int visuals; +cfbSetVisualTypes (int depth, int visuals, int bitsPerRGB) { - cfbVisualsPtr new, *prev, v; - int count; - - new = (cfbVisualsPtr) xalloc (sizeof *new); - if (!new) - return FALSE; - new->next = 0; - new->depth = depth; - new->visuals = visuals; - new->bitsPerRGB = bitsPerRGB; - count = (visuals >> 1) & 033333333333; - count = visuals - count - ((count >> 1) & 033333333333); - count = (((count + (count >> 3)) & 030707070707) % 077); /* HAKMEM 169 */ - new->count = count; - for (prev = &cfbVisuals; v = *prev; prev = &v->next); - *prev = new; - return TRUE; + return miSetVisualTypes(depth, visuals, bitsPerRGB, -1); } /* @@ -440,148 +103,15 @@ cfbSetVisualTypes (depth, visuals, bitsPerRGB) */ Bool -cfbInitVisuals (visualp, depthp, nvisualp, ndepthp, rootDepthp, defaultVisp, sizes, bitsPerRGB) - VisualPtr *visualp; - DepthPtr *depthp; - int *nvisualp, *ndepthp; - int *rootDepthp; - VisualID *defaultVisp; - unsigned long sizes; - int bitsPerRGB; +cfbInitVisuals (VisualPtr *visualp, + DepthPtr *depthp, + int *nvisualp, + int *ndepthp, + int *rootDepthp, + VisualID *defaultVisp, + unsigned long sizes, + int bitsPerRGB) { - int i, j, k; - VisualPtr visual; - DepthPtr depth; - VisualID *vid; - int d, b; - int f; - int ndepth, nvisual; - int nvtype; - int vtype; - VisualID defaultVisual; - cfbVisualsPtr visuals, nextVisuals; - - /* none specified, we'll guess from pixmap formats */ - if (!cfbVisuals) - { - for (f = 0; f < screenInfo.numPixmapFormats; f++) - { - d = screenInfo.formats[f].depth; - b = screenInfo.formats[f].bitsPerPixel; - if (sizes & (1 << (b - 1))) - { - if (d > MAX_PSEUDO_DEPTH) - vtype = LARGE_VISUALS; - else if (d == 1) - vtype = StaticGrayMask; - else - vtype = ALL_VISUALS; - } - else - vtype = 0; - if (!cfbSetVisualTypes (d, vtype, bitsPerRGB)) - return FALSE; - } - } - nvisual = 0; - ndepth = 0; - for (visuals = cfbVisuals; visuals; visuals = nextVisuals) - { - nextVisuals = visuals->next; - ndepth++; - nvisual += visuals->count; - } - depth = (DepthPtr) xalloc (ndepth * sizeof (DepthRec)); - visual = (VisualPtr) xalloc (nvisual * sizeof (VisualRec)); - if (!depth || !visual) - { - xfree (depth); - xfree (visual); - return FALSE; - } - *depthp = depth; - *visualp = visual; - *ndepthp = ndepth; - *nvisualp = nvisual; - for (visuals = cfbVisuals; visuals; visuals = nextVisuals) - { - nextVisuals = visuals->next; - d = visuals->depth; - vtype = visuals->visuals; - nvtype = visuals->count; - vid = NULL; - if (nvtype) - { - vid = (VisualID *) xalloc (nvtype * sizeof (VisualID)); - if (!vid) - return FALSE; - } - depth->depth = d; - depth->numVids = nvtype; - depth->vids = vid; - depth++; - for (i = 0; i < NUM_PRIORITY; i++) { - if (! (vtype & (1 << cfbVisualPriority[i]))) - continue; - visual->class = cfbVisualPriority[i]; - visual->bitsPerRGBValue = visuals->bitsPerRGB; - visual->ColormapEntries = 1 << d; - visual->nplanes = d; - visual->vid = *vid = FakeClientID (0); - switch (visual->class) { - case PseudoColor: - case GrayScale: - case StaticGray: - visual->redMask = 0; - visual->greenMask = 0; - visual->blueMask = 0; - visual->offsetRed = 0; - visual->offsetGreen = 0; - visual->offsetBlue = 0; - break; - case DirectColor: - case TrueColor: - visual->ColormapEntries = _CE(d); - /* fall through */ - case StaticColor: - visual->redMask = _RM(d); - visual->greenMask = _GM(d); - visual->blueMask = _BM(d); - visual->offsetRed = _RS(d); - visual->offsetGreen = _GS(d); - visual->offsetBlue = _BS(d); - } - vid++; - visual++; - } - xfree (visuals); - } - cfbVisuals = NULL; - visual = *visualp; - depth = *depthp; - for (i = 0; i < ndepth; i++) - { - if (*rootDepthp && *rootDepthp != depth[i].depth) - continue; - for (j = 0; j < depth[i].numVids; j++) - { - for (k = 0; k < nvisual; k++) - if (visual[k].vid == depth[i].vids[j]) - break; - if (k == nvisual) - continue; - if (defaultColorVisualClass < 0 || - visual[k].class == defaultColorVisualClass) - break; - } - if (j != depth[i].numVids) - break; - } - if (i == ndepth) { - i = 0; - j = 0; - } - *rootDepthp = depth[i].depth; - *defaultVisp = depth[i].vids[j]; - return TRUE; + return miInitVisuals(visualp, depthp, nvisualp, ndepthp, rootDepthp, + defaultVisp, sizes, bitsPerRGB, -1); } |