diff options
Diffstat (limited to 'xorg-server/fb/fb24_32.c')
| -rw-r--r-- | xorg-server/fb/fb24_32.c | 1270 |
1 files changed, 635 insertions, 635 deletions
diff --git a/xorg-server/fb/fb24_32.c b/xorg-server/fb/fb24_32.c index 748a0ec04..e24f394bc 100644 --- a/xorg-server/fb/fb24_32.c +++ b/xorg-server/fb/fb24_32.c @@ -1,635 +1,635 @@ -/*
- * Copyright © 2000 SuSE, Inc.
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of SuSE not be used in advertising or
- * publicity pertaining to distribution of the software without specific,
- * written prior permission. SuSE makes no representations about the
- * suitability of this software for any purpose. It is provided "as is"
- * without express or implied warranty.
- *
- * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
- * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- *
- * Author: Keith Packard, SuSE, Inc.
- */
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <string.h>
-
-#include "fb.h"
-
-/* X apps don't like 24bpp images, this code exposes 32bpp images */
-
-/*
- * These two functions do a full CopyArea while reformatting
- * the data between 24 and 32bpp. They try to go a bit faster
- * by reading/writing aligned CARD32s where it's easy
- */
-
-#define Get8(a) ((CARD32) READ(a))
-
-#if BITMAP_BIT_ORDER == MSBFirst
-#define Get24(a) ((Get8(a) << 16) | (Get8((a)+1) << 8) | Get8((a)+2))
-#define Put24(a,p) ((WRITE((a+0), (CARD8) ((p) >> 16))), \
- (WRITE((a+1), (CARD8) ((p) >> 8))), \
- (WRITE((a+2), (CARD8) (p))))
-#else
-#define Get24(a) (Get8(a) | (Get8((a)+1) << 8) | (Get8((a)+2)<<16))
-#define Put24(a,p) ((WRITE((a+0), (CARD8) (p))), \
- (WRITE((a+1), (CARD8) ((p) >> 8))), \
- (WRITE((a+2), (CARD8) ((p) >> 16))))
-#endif
-
-typedef void (*fb24_32BltFunc) (CARD8 *srcLine,
- FbStride srcStride,
- int srcX,
-
- CARD8 *dstLine,
- FbStride dstStride,
- int dstX,
-
- int width,
- int height,
-
- int alu,
- FbBits pm);
-
-static void
-fb24_32BltDown (CARD8 *srcLine,
- FbStride srcStride,
- int srcX,
-
- CARD8 *dstLine,
- FbStride dstStride,
- int dstX,
-
- int width,
- int height,
-
- int alu,
- FbBits pm)
-{
- CARD32 *src;
- CARD8 *dst;
- int w;
- Bool destInvarient;
- CARD32 pixel, dpixel;
- FbDeclareMergeRop ();
-
- srcLine += srcX * 4;
- dstLine += dstX * 3;
-
- FbInitializeMergeRop(alu, (pm | ~(FbBits) 0xffffff));
- destInvarient = FbDestInvarientMergeRop();
-
- while (height--)
- {
- src = (CARD32 *) srcLine;
- dst = dstLine;
- srcLine += srcStride;
- dstLine += dstStride;
- w = width;
- if (destInvarient)
- {
- while (((long) dst & 3) && w)
- {
- w--;
- pixel = READ(src++);
- pixel = FbDoDestInvarientMergeRop(pixel);
- Put24 (dst, pixel);
- dst += 3;
- }
- /* Do four aligned pixels at a time */
- while (w >= 4)
- {
- CARD32 s0, s1;
- s0 = READ(src++);
- s0 = FbDoDestInvarientMergeRop(s0);
- s1 = READ(src++);
- s1 = FbDoDestInvarientMergeRop(s1);
-#if BITMAP_BIT_ORDER == LSBFirst
- WRITE((CARD32 *)dst, (s0 & 0xffffff) | (s1 << 24));
-#else
- WRITE((CARD32 *)dst, (s0 << 8) | ((s1 & 0xffffff) >> 16));
-#endif
- s0 = READ(src++);
- s0 = FbDoDestInvarientMergeRop(s0);
-#if BITMAP_BIT_ORDER == LSBFirst
- WRITE((CARD32 *)(dst+4), ((s1 & 0xffffff) >> 8) | (s0 << 16));
-#else
- WRITE((CARD32 *)(dst+4), (s1 << 16) | ((s0 & 0xffffff) >> 8));
-#endif
- s1 = READ(src++);
- s1 = FbDoDestInvarientMergeRop(s1);
-#if BITMAP_BIT_ORDER == LSBFirst
- WRITE((CARD32 *)(dst+8), ((s0 & 0xffffff) >> 16) | (s1 << 8));
-#else
- WRITE((CARD32 *)(dst+8), (s0 << 24) | (s1 & 0xffffff));
-#endif
- dst += 12;
- w -= 4;
- }
- while (w--)
- {
- pixel = READ(src++);
- pixel = FbDoDestInvarientMergeRop(pixel);
- Put24 (dst, pixel);
- dst += 3;
- }
- }
- else
- {
- while (w--)
- {
- pixel = READ(src++);
- dpixel = Get24 (dst);
- pixel = FbDoMergeRop(pixel, dpixel);
- Put24 (dst, pixel);
- dst += 3;
- }
- }
- }
-}
-
-static void
-fb24_32BltUp (CARD8 *srcLine,
- FbStride srcStride,
- int srcX,
-
- CARD8 *dstLine,
- FbStride dstStride,
- int dstX,
-
- int width,
- int height,
-
- int alu,
- FbBits pm)
-{
- CARD8 *src;
- CARD32 *dst;
- int w;
- Bool destInvarient;
- CARD32 pixel;
- FbDeclareMergeRop ();
-
- FbInitializeMergeRop(alu, (pm | (~(FbBits) 0xffffff)));
- destInvarient = FbDestInvarientMergeRop();
-
- srcLine += srcX * 3;
- dstLine += dstX * 4;
-
- while (height--)
- {
- w = width;
- src = srcLine;
- dst = (CARD32 *) dstLine;
- srcLine += srcStride;
- dstLine += dstStride;
- if (destInvarient)
- {
- while (((long) src & 3) && w)
- {
- w--;
- pixel = Get24(src);
- src += 3;
- WRITE(dst++, FbDoDestInvarientMergeRop(pixel));
- }
- /* Do four aligned pixels at a time */
- while (w >= 4)
- {
- CARD32 s0, s1;
-
- s0 = READ((CARD32 *)src);
-#if BITMAP_BIT_ORDER == LSBFirst
- pixel = s0 & 0xffffff;
-#else
- pixel = s0 >> 8;
-#endif
- WRITE(dst++, FbDoDestInvarientMergeRop(pixel));
- s1 = READ((CARD32 *)(src+4));
-#if BITMAP_BIT_ORDER == LSBFirst
- pixel = (s0 >> 24) | ((s1 << 8) & 0xffffff);
-#else
- pixel = ((s0 << 16) & 0xffffff) | (s1 >> 16);
-#endif
- WRITE(dst++, FbDoDestInvarientMergeRop(pixel));
- s0 = READ((CARD32 *)(src+8));
-#if BITMAP_BIT_ORDER == LSBFirst
- pixel = (s1 >> 16) | ((s0 << 16) & 0xffffff);
-#else
- pixel = ((s1 << 8) & 0xffffff) | (s0 >> 24);
-#endif
- WRITE(dst++, FbDoDestInvarientMergeRop(pixel));
-#if BITMAP_BIT_ORDER == LSBFirst
- pixel = s0 >> 8;
-#else
- pixel = s0 & 0xffffff;
-#endif
- WRITE(dst++, FbDoDestInvarientMergeRop(pixel));
- src += 12;
- w -= 4;
- }
- while (w)
- {
- w--;
- pixel = Get24(src);
- src += 3;
- WRITE(dst++, FbDoDestInvarientMergeRop(pixel));
- }
- }
- else
- {
- while (w--)
- {
- pixel = Get24(src);
- src += 3;
- WRITE(dst, FbDoMergeRop(pixel, READ(dst)));
- dst++;
- }
- }
- }
-}
-
-/*
- * Spans functions; probably unused.
- */
-void
-fb24_32GetSpans(DrawablePtr pDrawable,
- int wMax,
- DDXPointPtr ppt,
- int *pwidth,
- int nspans,
- char *pchardstStart)
-{
- FbBits *srcBits;
- CARD8 *src;
- FbStride srcStride;
- int srcBpp;
- int srcXoff, srcYoff;
- CARD8 *dst;
-
- fbGetDrawable (pDrawable, srcBits, srcStride, srcBpp, srcXoff, srcYoff);
- src = (CARD8 *) srcBits;
- srcStride *= sizeof (FbBits);
-
- while (nspans--)
- {
- dst = (CARD8 *) pchardstStart;
- fb24_32BltUp (src + (ppt->y + srcYoff) * srcStride, srcStride,
- ppt->x + srcXoff,
-
- dst,
- 1,
- 0,
-
- *pwidth,
- 1,
-
- GXcopy,
- FB_ALLONES);
-
- pchardstStart += PixmapBytePad(*pwidth, pDrawable->depth);
- ppt++;
- pwidth++;
- }
-
- fbFinishAccess (pDrawable);
-}
-
-void
-fb24_32SetSpans (DrawablePtr pDrawable,
- GCPtr pGC,
- char *src,
- DDXPointPtr ppt,
- int *pwidth,
- int nspans,
- int fSorted)
-{
- FbGCPrivPtr pPriv = fbGetGCPrivate (pGC);
- RegionPtr pClip = fbGetCompositeClip(pGC);
- FbBits *dstBits;
- CARD8 *dst, *d, *s;
- FbStride dstStride;
- int dstBpp;
- int dstXoff, dstYoff;
- BoxPtr pbox;
- int n;
- int x1, x2;
-
- fbGetDrawable (pDrawable, dstBits, dstStride, dstBpp, dstXoff, dstYoff);
- dst = (CARD8 *) dstBits;
- dstStride *= sizeof (FbBits);
- while (nspans--)
- {
- d = dst + (ppt->y + dstYoff) * dstStride;
- s = (CARD8 *) src;
- n = RegionNumRects(pClip);
- pbox = RegionRects (pClip);
- while (n--)
- {
- if (pbox->y1 > ppt->y)
- break;
- if (pbox->y2 > ppt->y)
- {
- x1 = ppt->x;
- x2 = x1 + *pwidth;
- if (pbox->x1 > x1)
- x1 = pbox->x1;
- if (pbox->x2 < x2)
- x2 = pbox->x2;
- if (x1 < x2)
- fb24_32BltDown (s,
- 0,
- (x1 - ppt->x),
- d,
- dstStride,
- x1 + dstXoff,
-
- (x2 - x1),
- 1,
- pGC->alu,
- pPriv->pm);
- }
- }
- src += PixmapBytePad (*pwidth, pDrawable->depth);
- ppt++;
- pwidth++;
- }
-
- fbFinishAccess (pDrawable);
-}
-
-/*
- * Clip and put 32bpp Z-format images to a 24bpp drawable
- */
-void
-fb24_32PutZImage (DrawablePtr pDrawable,
- RegionPtr pClip,
- int alu,
- FbBits pm,
- int x,
- int y,
- int width,
- int height,
- CARD8 *src,
- FbStride srcStride)
-{
- FbBits *dstBits;
- CARD8 *dst;
- FbStride dstStride;
- int dstBpp;
- int dstXoff, dstYoff;
- int nbox;
- BoxPtr pbox;
- int x1, y1, x2, y2;
-
- fbGetDrawable (pDrawable, dstBits, dstStride, dstBpp, dstXoff, dstYoff);
- dstStride *= sizeof(FbBits);
- dst = (CARD8 *) dstBits;
-
- for (nbox = RegionNumRects (pClip),
- pbox = RegionRects(pClip);
- nbox--;
- pbox++)
- {
- x1 = x;
- y1 = y;
- x2 = x + width;
- y2 = y + height;
- if (x1 < pbox->x1)
- x1 = pbox->x1;
- if (y1 < pbox->y1)
- y1 = pbox->y1;
- if (x2 > pbox->x2)
- x2 = pbox->x2;
- if (y2 > pbox->y2)
- y2 = pbox->y2;
- if (x1 >= x2 || y1 >= y2)
- continue;
- fb24_32BltDown (src + (y1 - y) * srcStride,
- srcStride,
- (x1 - x),
-
- dst + (y1 + dstYoff) * dstStride,
- dstStride,
- x1 + dstXoff,
-
- (x2 - x1),
- (y2 - y1),
-
- alu,
- pm);
- }
-
- fbFinishAccess (pDrawable);
-}
-
-void
-fb24_32GetImage (DrawablePtr pDrawable,
- int x,
- int y,
- int w,
- int h,
- unsigned int format,
- unsigned long planeMask,
- char *d)
-{
- FbBits *srcBits;
- CARD8 *src;
- FbStride srcStride;
- int srcBpp;
- int srcXoff, srcYoff;
- FbStride dstStride;
- FbBits pm;
-
- fbGetDrawable (pDrawable, srcBits, srcStride, srcBpp, srcXoff, srcYoff);
- src = (CARD8 *) srcBits;
- srcStride *= sizeof (FbBits);
-
- x += pDrawable->x;
- y += pDrawable->y;
-
- pm = fbReplicatePixel (planeMask, 32);
- dstStride = PixmapBytePad(w, pDrawable->depth);
- if (pm != FB_ALLONES)
- memset (d, 0, dstStride * h);
- fb24_32BltUp (src + (y + srcYoff) * srcStride, srcStride, x + srcXoff,
- (CARD8 *) d, dstStride, 0,
- w, h, GXcopy, pm);
-
- fbFinishAccess (pDrawable);
-}
-
-void
-fb24_32CopyMtoN (DrawablePtr pSrcDrawable,
- DrawablePtr pDstDrawable,
- GCPtr pGC,
- BoxPtr pbox,
- int nbox,
- int dx,
- int dy,
- Bool reverse,
- Bool upsidedown,
- Pixel bitplane,
- void *closure)
-{
- FbGCPrivPtr pPriv = fbGetGCPrivate(pGC);
- FbBits *srcBits;
- CARD8 *src;
- FbStride srcStride;
- int srcBpp;
- FbBits *dstBits;
- CARD8 *dst;
- FbStride dstStride;
- int dstBpp;
- fb24_32BltFunc blt;
- int srcXoff, srcYoff;
- int dstXoff, dstYoff;
-
- fbGetDrawable (pSrcDrawable, srcBits, srcStride, srcBpp, srcXoff, srcYoff);
- src = (CARD8 *) srcBits;
- srcStride *= sizeof (FbBits);
- fbGetDrawable (pDstDrawable, dstBits, dstStride, dstBpp, dstXoff, dstYoff);
- dst = (CARD8 *) dstBits;
- dstStride *= sizeof (FbBits);
- if (srcBpp == 24)
- blt = fb24_32BltUp;
- else
- blt = fb24_32BltDown;
-
- while (nbox--)
- {
- (*blt) (src + (pbox->y1 + dy + srcYoff) * srcStride,
- srcStride,
- (pbox->x1 + dx + srcXoff),
-
- dst + (pbox->y1 + dstYoff) * dstStride,
- dstStride,
- (pbox->x1 + dstXoff),
-
- (pbox->x2 - pbox->x1),
- (pbox->y2 - pbox->y1),
-
- pGC->alu,
- pPriv->pm);
- pbox++;
- }
-
- fbFinishAccess (pSrcDrawable);
- fbFinishAccess (pDstDrawable);
-}
-
-PixmapPtr
-fb24_32ReformatTile(PixmapPtr pOldTile, int bitsPerPixel)
-{
- ScreenPtr pScreen = pOldTile->drawable.pScreen;
- PixmapPtr pNewTile;
- FbBits *old, *new;
- FbStride oldStride, newStride;
- int oldBpp, newBpp;
- fb24_32BltFunc blt;
- int oldXoff, oldYoff;
- int newXoff, newYoff;
-
- pNewTile = pScreen->CreatePixmap(pScreen, pOldTile->drawable.width,
- pOldTile->drawable.height,
- pOldTile->drawable.depth,
- pOldTile->usage_hint);
- if (!pNewTile)
- return 0;
- fbGetDrawable (&pOldTile->drawable,
- old, oldStride, oldBpp, oldXoff, oldYoff);
- fbGetDrawable (&pNewTile->drawable,
- new, newStride, newBpp, newXoff, newYoff);
- if (oldBpp == 24)
- blt = fb24_32BltUp;
- else
- blt = fb24_32BltDown;
-
- (*blt) ((CARD8 *) old,
- oldStride * sizeof (FbBits),
- 0,
-
- (CARD8 *) new,
- newStride * sizeof (FbBits),
- 0,
-
- pOldTile->drawable.width,
- pOldTile->drawable.height,
-
- GXcopy,
- FB_ALLONES);
-
- fbFinishAccess (&pOldTile->drawable);
- fbFinishAccess (&pNewTile->drawable);
-
- return pNewTile;
-}
-
-typedef struct {
- pointer pbits;
- int width;
-} miScreenInitParmsRec, *miScreenInitParmsPtr;
-
-Bool
-fb24_32CreateScreenResources(ScreenPtr pScreen)
-{
- miScreenInitParmsPtr pScrInitParms;
- int pitch;
- Bool retval;
-
- /* get the pitch before mi destroys it */
- pScrInitParms = (miScreenInitParmsPtr)pScreen->devPrivate;
- pitch = BitmapBytePad(pScrInitParms->width * 24);
-
- if((retval = miCreateScreenResources(pScreen))) {
- /* fix the screen pixmap */
- PixmapPtr pPix = (PixmapPtr)pScreen->devPrivate;
- pPix->drawable.bitsPerPixel = 24;
- pPix->devKind = pitch;
- }
-
- return retval;
-}
-
-Bool
-fb24_32ModifyPixmapHeader (PixmapPtr pPixmap,
- int width,
- int height,
- int depth,
- int bitsPerPixel,
- int devKind,
- pointer pPixData)
-{
- int bpp, w;
-
- if (!pPixmap)
- return FALSE;
- bpp = bitsPerPixel;
- if (bpp <= 0)
- bpp = pPixmap->drawable.bitsPerPixel;
- if (bpp == 24)
- {
- if (devKind < 0)
- {
- w = width;
- if (w <= 0)
- w = pPixmap->drawable.width;
- devKind = BitmapBytePad(w * 24);
- }
- }
- return miModifyPixmapHeader(pPixmap, width, height, depth, bitsPerPixel,
- devKind, pPixData);
-}
+/* + * Copyright © 2000 SuSE, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of SuSE not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. SuSE makes no representations about the + * suitability of this software for any purpose. It is provided "as is" + * without express or implied warranty. + * + * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE + * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Keith Packard, SuSE, Inc. + */ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include <string.h> + +#include "fb.h" + +/* X apps don't like 24bpp images, this code exposes 32bpp images */ + +/* + * These two functions do a full CopyArea while reformatting + * the data between 24 and 32bpp. They try to go a bit faster + * by reading/writing aligned CARD32s where it's easy + */ + +#define Get8(a) ((CARD32) READ(a)) + +#if BITMAP_BIT_ORDER == MSBFirst +#define Get24(a) ((Get8(a) << 16) | (Get8((a)+1) << 8) | Get8((a)+2)) +#define Put24(a,p) ((WRITE((a+0), (CARD8) ((p) >> 16))), \ + (WRITE((a+1), (CARD8) ((p) >> 8))), \ + (WRITE((a+2), (CARD8) (p)))) +#else +#define Get24(a) (Get8(a) | (Get8((a)+1) << 8) | (Get8((a)+2)<<16)) +#define Put24(a,p) ((WRITE((a+0), (CARD8) (p))), \ + (WRITE((a+1), (CARD8) ((p) >> 8))), \ + (WRITE((a+2), (CARD8) ((p) >> 16)))) +#endif + +typedef void (*fb24_32BltFunc) (CARD8 *srcLine, + FbStride srcStride, + int srcX, + + CARD8 *dstLine, + FbStride dstStride, + int dstX, + + int width, + int height, + + int alu, + FbBits pm); + +static void +fb24_32BltDown (CARD8 *srcLine, + FbStride srcStride, + int srcX, + + CARD8 *dstLine, + FbStride dstStride, + int dstX, + + int width, + int height, + + int alu, + FbBits pm) +{ + CARD32 *src; + CARD8 *dst; + int w; + Bool destInvarient; + CARD32 pixel, dpixel; + FbDeclareMergeRop (); + + srcLine += srcX * 4; + dstLine += dstX * 3; + + FbInitializeMergeRop(alu, (pm | ~(FbBits) 0xffffff)); + destInvarient = FbDestInvarientMergeRop(); + + while (height--) + { + src = (CARD32 *) srcLine; + dst = dstLine; + srcLine += srcStride; + dstLine += dstStride; + w = width; + if (destInvarient) + { + while (((long) dst & 3) && w) + { + w--; + pixel = READ(src++); + pixel = FbDoDestInvarientMergeRop(pixel); + Put24 (dst, pixel); + dst += 3; + } + /* Do four aligned pixels at a time */ + while (w >= 4) + { + CARD32 s0, s1; + s0 = READ(src++); + s0 = FbDoDestInvarientMergeRop(s0); + s1 = READ(src++); + s1 = FbDoDestInvarientMergeRop(s1); +#if BITMAP_BIT_ORDER == LSBFirst + WRITE((CARD32 *)dst, (s0 & 0xffffff) | (s1 << 24)); +#else + WRITE((CARD32 *)dst, (s0 << 8) | ((s1 & 0xffffff) >> 16)); +#endif + s0 = READ(src++); + s0 = FbDoDestInvarientMergeRop(s0); +#if BITMAP_BIT_ORDER == LSBFirst + WRITE((CARD32 *)(dst+4), ((s1 & 0xffffff) >> 8) | (s0 << 16)); +#else + WRITE((CARD32 *)(dst+4), (s1 << 16) | ((s0 & 0xffffff) >> 8)); +#endif + s1 = READ(src++); + s1 = FbDoDestInvarientMergeRop(s1); +#if BITMAP_BIT_ORDER == LSBFirst + WRITE((CARD32 *)(dst+8), ((s0 & 0xffffff) >> 16) | (s1 << 8)); +#else + WRITE((CARD32 *)(dst+8), (s0 << 24) | (s1 & 0xffffff)); +#endif + dst += 12; + w -= 4; + } + while (w--) + { + pixel = READ(src++); + pixel = FbDoDestInvarientMergeRop(pixel); + Put24 (dst, pixel); + dst += 3; + } + } + else + { + while (w--) + { + pixel = READ(src++); + dpixel = Get24 (dst); + pixel = FbDoMergeRop(pixel, dpixel); + Put24 (dst, pixel); + dst += 3; + } + } + } +} + +static void +fb24_32BltUp (CARD8 *srcLine, + FbStride srcStride, + int srcX, + + CARD8 *dstLine, + FbStride dstStride, + int dstX, + + int width, + int height, + + int alu, + FbBits pm) +{ + CARD8 *src; + CARD32 *dst; + int w; + Bool destInvarient; + CARD32 pixel; + FbDeclareMergeRop (); + + FbInitializeMergeRop(alu, (pm | (~(FbBits) 0xffffff))); + destInvarient = FbDestInvarientMergeRop(); + + srcLine += srcX * 3; + dstLine += dstX * 4; + + while (height--) + { + w = width; + src = srcLine; + dst = (CARD32 *) dstLine; + srcLine += srcStride; + dstLine += dstStride; + if (destInvarient) + { + while (((long) src & 3) && w) + { + w--; + pixel = Get24(src); + src += 3; + WRITE(dst++, FbDoDestInvarientMergeRop(pixel)); + } + /* Do four aligned pixels at a time */ + while (w >= 4) + { + CARD32 s0, s1; + + s0 = READ((CARD32 *)src); +#if BITMAP_BIT_ORDER == LSBFirst + pixel = s0 & 0xffffff; +#else + pixel = s0 >> 8; +#endif + WRITE(dst++, FbDoDestInvarientMergeRop(pixel)); + s1 = READ((CARD32 *)(src+4)); +#if BITMAP_BIT_ORDER == LSBFirst + pixel = (s0 >> 24) | ((s1 << 8) & 0xffffff); +#else + pixel = ((s0 << 16) & 0xffffff) | (s1 >> 16); +#endif + WRITE(dst++, FbDoDestInvarientMergeRop(pixel)); + s0 = READ((CARD32 *)(src+8)); +#if BITMAP_BIT_ORDER == LSBFirst + pixel = (s1 >> 16) | ((s0 << 16) & 0xffffff); +#else + pixel = ((s1 << 8) & 0xffffff) | (s0 >> 24); +#endif + WRITE(dst++, FbDoDestInvarientMergeRop(pixel)); +#if BITMAP_BIT_ORDER == LSBFirst + pixel = s0 >> 8; +#else + pixel = s0 & 0xffffff; +#endif + WRITE(dst++, FbDoDestInvarientMergeRop(pixel)); + src += 12; + w -= 4; + } + while (w) + { + w--; + pixel = Get24(src); + src += 3; + WRITE(dst++, FbDoDestInvarientMergeRop(pixel)); + } + } + else + { + while (w--) + { + pixel = Get24(src); + src += 3; + WRITE(dst, FbDoMergeRop(pixel, READ(dst))); + dst++; + } + } + } +} + +/* + * Spans functions; probably unused. + */ +void +fb24_32GetSpans(DrawablePtr pDrawable, + int wMax, + DDXPointPtr ppt, + int *pwidth, + int nspans, + char *pchardstStart) +{ + FbBits *srcBits; + CARD8 *src; + FbStride srcStride; + int srcBpp; + int srcXoff, srcYoff; + CARD8 *dst; + + fbGetDrawable (pDrawable, srcBits, srcStride, srcBpp, srcXoff, srcYoff); + src = (CARD8 *) srcBits; + srcStride *= sizeof (FbBits); + + while (nspans--) + { + dst = (CARD8 *) pchardstStart; + fb24_32BltUp (src + (ppt->y + srcYoff) * srcStride, srcStride, + ppt->x + srcXoff, + + dst, + 1, + 0, + + *pwidth, + 1, + + GXcopy, + FB_ALLONES); + + pchardstStart += PixmapBytePad(*pwidth, pDrawable->depth); + ppt++; + pwidth++; + } + + fbFinishAccess (pDrawable); +} + +void +fb24_32SetSpans (DrawablePtr pDrawable, + GCPtr pGC, + char *src, + DDXPointPtr ppt, + int *pwidth, + int nspans, + int fSorted) +{ + FbGCPrivPtr pPriv = fbGetGCPrivate (pGC); + RegionPtr pClip = fbGetCompositeClip(pGC); + FbBits *dstBits; + CARD8 *dst, *d, *s; + FbStride dstStride; + int dstBpp; + int dstXoff, dstYoff; + BoxPtr pbox; + int n; + int x1, x2; + + fbGetDrawable (pDrawable, dstBits, dstStride, dstBpp, dstXoff, dstYoff); + dst = (CARD8 *) dstBits; + dstStride *= sizeof (FbBits); + while (nspans--) + { + d = dst + (ppt->y + dstYoff) * dstStride; + s = (CARD8 *) src; + n = RegionNumRects(pClip); + pbox = RegionRects (pClip); + while (n--) + { + if (pbox->y1 > ppt->y) + break; + if (pbox->y2 > ppt->y) + { + x1 = ppt->x; + x2 = x1 + *pwidth; + if (pbox->x1 > x1) + x1 = pbox->x1; + if (pbox->x2 < x2) + x2 = pbox->x2; + if (x1 < x2) + fb24_32BltDown (s, + 0, + (x1 - ppt->x), + d, + dstStride, + x1 + dstXoff, + + (x2 - x1), + 1, + pGC->alu, + pPriv->pm); + } + } + src += PixmapBytePad (*pwidth, pDrawable->depth); + ppt++; + pwidth++; + } + + fbFinishAccess (pDrawable); +} + +/* + * Clip and put 32bpp Z-format images to a 24bpp drawable + */ +void +fb24_32PutZImage (DrawablePtr pDrawable, + RegionPtr pClip, + int alu, + FbBits pm, + int x, + int y, + int width, + int height, + CARD8 *src, + FbStride srcStride) +{ + FbBits *dstBits; + CARD8 *dst; + FbStride dstStride; + int dstBpp; + int dstXoff, dstYoff; + int nbox; + BoxPtr pbox; + int x1, y1, x2, y2; + + fbGetDrawable (pDrawable, dstBits, dstStride, dstBpp, dstXoff, dstYoff); + dstStride *= sizeof(FbBits); + dst = (CARD8 *) dstBits; + + for (nbox = RegionNumRects (pClip), + pbox = RegionRects(pClip); + nbox--; + pbox++) + { + x1 = x; + y1 = y; + x2 = x + width; + y2 = y + height; + if (x1 < pbox->x1) + x1 = pbox->x1; + if (y1 < pbox->y1) + y1 = pbox->y1; + if (x2 > pbox->x2) + x2 = pbox->x2; + if (y2 > pbox->y2) + y2 = pbox->y2; + if (x1 >= x2 || y1 >= y2) + continue; + fb24_32BltDown (src + (y1 - y) * srcStride, + srcStride, + (x1 - x), + + dst + (y1 + dstYoff) * dstStride, + dstStride, + x1 + dstXoff, + + (x2 - x1), + (y2 - y1), + + alu, + pm); + } + + fbFinishAccess (pDrawable); +} + +void +fb24_32GetImage (DrawablePtr pDrawable, + int x, + int y, + int w, + int h, + unsigned int format, + unsigned long planeMask, + char *d) +{ + FbBits *srcBits; + CARD8 *src; + FbStride srcStride; + int srcBpp; + int srcXoff, srcYoff; + FbStride dstStride; + FbBits pm; + + fbGetDrawable (pDrawable, srcBits, srcStride, srcBpp, srcXoff, srcYoff); + src = (CARD8 *) srcBits; + srcStride *= sizeof (FbBits); + + x += pDrawable->x; + y += pDrawable->y; + + pm = fbReplicatePixel (planeMask, 32); + dstStride = PixmapBytePad(w, pDrawable->depth); + if (pm != FB_ALLONES) + memset (d, 0, dstStride * h); + fb24_32BltUp (src + (y + srcYoff) * srcStride, srcStride, x + srcXoff, + (CARD8 *) d, dstStride, 0, + w, h, GXcopy, pm); + + fbFinishAccess (pDrawable); +} + +void +fb24_32CopyMtoN (DrawablePtr pSrcDrawable, + DrawablePtr pDstDrawable, + GCPtr pGC, + BoxPtr pbox, + int nbox, + int dx, + int dy, + Bool reverse, + Bool upsidedown, + Pixel bitplane, + void *closure) +{ + FbGCPrivPtr pPriv = fbGetGCPrivate(pGC); + FbBits *srcBits; + CARD8 *src; + FbStride srcStride; + int srcBpp; + FbBits *dstBits; + CARD8 *dst; + FbStride dstStride; + int dstBpp; + fb24_32BltFunc blt; + int srcXoff, srcYoff; + int dstXoff, dstYoff; + + fbGetDrawable (pSrcDrawable, srcBits, srcStride, srcBpp, srcXoff, srcYoff); + src = (CARD8 *) srcBits; + srcStride *= sizeof (FbBits); + fbGetDrawable (pDstDrawable, dstBits, dstStride, dstBpp, dstXoff, dstYoff); + dst = (CARD8 *) dstBits; + dstStride *= sizeof (FbBits); + if (srcBpp == 24) + blt = fb24_32BltUp; + else + blt = fb24_32BltDown; + + while (nbox--) + { + (*blt) (src + (pbox->y1 + dy + srcYoff) * srcStride, + srcStride, + (pbox->x1 + dx + srcXoff), + + dst + (pbox->y1 + dstYoff) * dstStride, + dstStride, + (pbox->x1 + dstXoff), + + (pbox->x2 - pbox->x1), + (pbox->y2 - pbox->y1), + + pGC->alu, + pPriv->pm); + pbox++; + } + + fbFinishAccess (pSrcDrawable); + fbFinishAccess (pDstDrawable); +} + +PixmapPtr +fb24_32ReformatTile(PixmapPtr pOldTile, int bitsPerPixel) +{ + ScreenPtr pScreen = pOldTile->drawable.pScreen; + PixmapPtr pNewTile; + FbBits *old, *new; + FbStride oldStride, newStride; + int oldBpp, newBpp; + fb24_32BltFunc blt; + int oldXoff, oldYoff; + int newXoff, newYoff; + + pNewTile = pScreen->CreatePixmap(pScreen, pOldTile->drawable.width, + pOldTile->drawable.height, + pOldTile->drawable.depth, + pOldTile->drawable.class); + if (!pNewTile) + return 0; + fbGetDrawable (&pOldTile->drawable, + old, oldStride, oldBpp, oldXoff, oldYoff); + fbGetDrawable (&pNewTile->drawable, + new, newStride, newBpp, newXoff, newYoff); + if (oldBpp == 24) + blt = fb24_32BltUp; + else + blt = fb24_32BltDown; + + (*blt) ((CARD8 *) old, + oldStride * sizeof (FbBits), + 0, + + (CARD8 *) new, + newStride * sizeof (FbBits), + 0, + + pOldTile->drawable.width, + pOldTile->drawable.height, + + GXcopy, + FB_ALLONES); + + fbFinishAccess (&pOldTile->drawable); + fbFinishAccess (&pNewTile->drawable); + + return pNewTile; +} + +typedef struct { + pointer pbits; + int width; +} miScreenInitParmsRec, *miScreenInitParmsPtr; + +Bool +fb24_32CreateScreenResources(ScreenPtr pScreen) +{ + miScreenInitParmsPtr pScrInitParms; + int pitch; + Bool retval; + + /* get the pitch before mi destroys it */ + pScrInitParms = (miScreenInitParmsPtr)pScreen->devPrivate; + pitch = BitmapBytePad(pScrInitParms->width * 24); + + if((retval = miCreateScreenResources(pScreen))) { + /* fix the screen pixmap */ + PixmapPtr pPix = (PixmapPtr)pScreen->devPrivate; + pPix->drawable.bitsPerPixel = 24; + pPix->devKind = pitch; + } + + return retval; +} + +Bool +fb24_32ModifyPixmapHeader (PixmapPtr pPixmap, + int width, + int height, + int depth, + int bitsPerPixel, + int devKind, + pointer pPixData) +{ + int bpp, w; + + if (!pPixmap) + return FALSE; + bpp = bitsPerPixel; + if (bpp <= 0) + bpp = pPixmap->drawable.bitsPerPixel; + if (bpp == 24) + { + if (devKind < 0) + { + w = width; + if (w <= 0) + w = pPixmap->drawable.width; + devKind = BitmapBytePad(w * 24); + } + } + return miModifyPixmapHeader(pPixmap, width, height, depth, bitsPerPixel, + devKind, pPixData); +} |