diff options
Diffstat (limited to 'xorg-server/fb/fbcmap.c')
| -rw-r--r-- | xorg-server/fb/fbcmap.c | 586 |
1 files changed, 0 insertions, 586 deletions
diff --git a/xorg-server/fb/fbcmap.c b/xorg-server/fb/fbcmap.c deleted file mode 100644 index 123b7f41d..000000000 --- a/xorg-server/fb/fbcmap.c +++ /dev/null @@ -1,586 +0,0 @@ -/*
- * Copyright © 1987 Sun Microsystems, Inc. All rights reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- */
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <X11/X.h>
-#include <X11/Xproto.h>
-#include "scrnintstr.h"
-#include "colormapst.h"
-#include "resource.h"
-#include "fb.h"
-
-#ifdef XFree86Server
-#error "You should be compiling fbcmap_mi.c instead of fbcmap.c!"
-#endif
-
-static DevPrivateKeyRec cmapScrPrivateKeyRec;
-#define cmapScrPrivateKey (&cmapScrPrivateKeyRec)
-
-#define GetInstalledColormap(s) ((ColormapPtr) dixLookupPrivate(&(s)->devPrivates, cmapScrPrivateKey))
-#define SetInstalledColormap(s,c) (dixSetPrivate(&(s)->devPrivates, cmapScrPrivateKey, c))
-
-int
-fbListInstalledColormaps(ScreenPtr pScreen, Colormap *pmaps)
-{
- /* By the time we are processing requests, we can guarantee that there
- * is always a colormap installed */
- *pmaps = GetInstalledColormap(pScreen)->mid;
- return 1;
-}
-
-
-void
-fbInstallColormap(ColormapPtr pmap)
-{
- ColormapPtr oldpmap = GetInstalledColormap(pmap->pScreen);
-
- 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 */
- SetInstalledColormap(pmap->pScreen, pmap);
- WalkTree(pmap->pScreen, TellGainedMap, (char *)&pmap->mid);
- }
-}
-
-void
-fbUninstallColormap(ColormapPtr pmap)
-{
- ColormapPtr curpmap = GetInstalledColormap(pmap->pScreen);
-
- if(pmap == curpmap)
- {
- if (pmap->mid != pmap->pScreen->defColormap)
- {
- dixLookupResourceByType((pointer *)&curpmap,
- pmap->pScreen->defColormap,
- RT_COLORMAP,
- serverClient, DixInstallAccess);
- (*pmap->pScreen->InstallColormap)(curpmap);
- }
- }
-}
-
-void
-fbResolveColor(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 | DynamicClass) == GrayScale)
- {
- /* rescale to gray then rgb bits */
- *pred = (30L * *pred + 59L * *pgreen + 11L * *pblue) / 100;
- *pblue = *pgreen = *pred = ((*pred >> shift) * 65535) / lim;
- }
- else
- {
- /* rescale to rgb bits */
- *pred = ((*pred >> shift) * 65535) / lim;
- *pgreen = ((*pgreen >> shift) * 65535) / lim;
- *pblue = ((*pblue >> shift) * 65535) / lim;
- }
-}
-
-Bool
-fbInitializeColormap(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 n;
- unsigned r, g, b;
- unsigned red, green, blue;
-
- for (n = 0; n*n*n < pVisual->ColormapEntries; n++)
- ;
- n--;
- i = 0;
- for (r = 0; r < n; r++)
- {
- red = (((r * 65535 / (n - 1)) >> shift) * 65535) / lim;
- for (g = 0; g < n; g++)
- {
- green = (((g * 65535 / (n - 1)) >> shift) * 65535) / lim;
- for (b = 0; b < n; b++)
- {
- blue = (((b * 65535 / (n - 1)) >> shift) * 65535) / lim;
- pmap->red[i].co.local.red = red;
- pmap->red[i].co.local.green = green;
- pmap->red[i].co.local.blue = blue;
- i++;
- }
- }
- }
- n = pVisual->ColormapEntries - i;
- for (r = 0; r < n; r++)
- {
- red = (((r * 65535 / (n - 1)) >> shift) * 65535) / lim;
- pmap->red[i].co.local.red = red;
- pmap->red[i].co.local.green = red;
- pmap->red[i].co.local.blue = red;
- i++;
- }
- }
- 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;
-}
-
-/* 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; \
-}
-
-int
-fbExpandDirectColors (ColormapPtr pmap,
- int ndef,
- xColorItem *indefs,
- xColorItem *outdefs)
-{
- 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;
-}
-
-Bool
-fbCreateDefColormap(ScreenPtr pScreen)
-{
- unsigned short zero = 0, ones = 0xFFFF;
- VisualPtr pVisual;
- ColormapPtr cmap;
- Pixel wp, bp;
-
- 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;
- 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;
- (*pScreen->InstallColormap)(cmap);
- return TRUE;
-}
-
-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 _fbVisuals {
- struct _fbVisuals *next;
- int depth;
- int bitsPerRGB;
- int visuals;
- int count;
- Pixel redMask, greenMask, blueMask;
-} fbVisualsRec, *fbVisualsPtr;
-
-static const int fbVisualPriority[] = {
- PseudoColor, DirectColor, GrayScale, StaticColor, TrueColor, StaticGray
-};
-
-#define NUM_PRIORITY 6
-
-static fbVisualsPtr fbVisuals;
-
-static int
-popCount (int i)
-{
- int count;
-
- count = (i >> 1) & 033333333333;
- count = i - count - ((count >> 1) & 033333333333);
- count = (((count + (count >> 3)) & 030707070707) % 077); /* HAKMEM 169 */
- return count;
-}
-
-/*
- * Distance to least significant one bit
- */
-static int
-maskShift (Pixel p)
-{
- int s;
-
- if (!p) return 0;
- s = 0;
- while (!(p & 1))
- {
- s++;
- p >>= 1;
- }
- return s;
-}
-
-Bool
-fbSetVisualTypesAndMasks (int depth, int visuals, int bitsPerRGB,
- Pixel redMask, Pixel greenMask, Pixel blueMask)
-{
- fbVisualsPtr new, *prev, v;
-
- new = (fbVisualsPtr) malloc(sizeof *new);
- if (!new)
- return FALSE;
- if (!redMask || !greenMask || !blueMask)
- {
- redMask = _RM(depth);
- greenMask = _GM(depth);
- blueMask = _BM(depth);
- }
- new->next = 0;
- new->depth = depth;
- new->visuals = visuals;
- new->bitsPerRGB = bitsPerRGB;
- new->redMask = redMask;
- new->greenMask = greenMask;
- new->blueMask = blueMask;
- new->count = popCount (visuals);
- for (prev = &fbVisuals; (v = *prev); prev = &v->next);
- *prev = new;
- return TRUE;
-}
-
-Bool
-fbHasVisualTypes (int depth)
-{
- fbVisualsPtr v;
-
- for (v = fbVisuals; v; v = v->next)
- if (v->depth == depth)
- return TRUE;
- return FALSE;
-}
-
-Bool
-fbSetVisualTypes (int depth, int visuals, int bitsPerRGB)
-{
- return fbSetVisualTypesAndMasks (depth, visuals, bitsPerRGB,
- _RM(depth), _GM(depth), _BM(depth));
-}
-
-/*
- * Given a list of formats for a screen, create a list
- * of visuals and depths for the screen which coorespond to
- * the set which can be used with this version of fb.
- */
-
-Bool
-fbInitVisuals (VisualPtr *visualp,
- DepthPtr *depthp,
- int *nvisualp,
- int *ndepthp,
- int *rootDepthp,
- VisualID *defaultVisp,
- unsigned long sizes,
- int bitsPerRGB)
-{
- int i, j = 0, k;
- VisualPtr visual;
- DepthPtr depth;
- VisualID *vid;
- int d, b;
- int f;
- int ndepth, nvisual;
- int nvtype;
- int vtype;
- fbVisualsPtr visuals, nextVisuals;
-
- /* none specified, we'll guess from pixmap formats */
- if (!fbVisuals)
- {
- 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 (!fbSetVisualTypes (d, vtype, bitsPerRGB))
- return FALSE;
- }
- }
- nvisual = 0;
- ndepth = 0;
- for (visuals = fbVisuals; visuals; visuals = nextVisuals)
- {
- nextVisuals = visuals->next;
- ndepth++;
- nvisual += visuals->count;
- }
- depth = (DepthPtr) malloc(ndepth * sizeof (DepthRec));
- visual = (VisualPtr) malloc(nvisual * sizeof (VisualRec));
- if (!depth || !visual)
- {
- free(depth);
- free(visual);
- return FALSE;
- }
- *depthp = depth;
- *visualp = visual;
- *ndepthp = ndepth;
- *nvisualp = nvisual;
- for (visuals = fbVisuals; visuals; visuals = nextVisuals)
- {
- nextVisuals = visuals->next;
- d = visuals->depth;
- vtype = visuals->visuals;
- nvtype = visuals->count;
- vid = NULL;
- if (nvtype)
- {
- vid = (VisualID *) malloc(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 << fbVisualPriority[i])))
- continue;
- visual->class = fbVisualPriority[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:
- case StaticColor:
- 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);
- visual->redMask = visuals->redMask;
- visual->greenMask = visuals->greenMask;
- visual->blueMask = visuals->blueMask;
- visual->offsetRed = maskShift (visuals->redMask);
- visual->offsetGreen = maskShift (visuals->greenMask);
- visual->offsetBlue = maskShift (visuals->blueMask);
- }
- vid++;
- visual++;
- }
- free(visuals);
- }
- fbVisuals = 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) {
- for (i = 0; i < ndepth; i++)
- {
- if (depth[i].numVids)
- break;
- }
- if (i == ndepth)
- return FALSE;
- j = 0;
- }
- *rootDepthp = depth[i].depth;
- *defaultVisp = depth[i].vids[j];
- return TRUE;
-}
|