diff options
author | Matthieu Herrb <matthieu@cvs.openbsd.org> | 2012-06-10 13:21:33 +0000 |
---|---|---|
committer | Matthieu Herrb <matthieu@cvs.openbsd.org> | 2012-06-10 13:21:33 +0000 |
commit | 171e929a08098b6c844887adc43879c7579dc15f (patch) | |
tree | 6b4d2e3bc20dbd4dc9a1f031416e66614c53dd21 /xserver/fb/fbpixmap.c | |
parent | 68781b09de2c95b87ea898c4ecf3018dfb4460d2 (diff) |
Update to xserver 1.12.2. tested by naddy@, krw@, mpi@.
Diffstat (limited to 'xserver/fb/fbpixmap.c')
-rw-r--r-- | xserver/fb/fbpixmap.c | 408 |
1 files changed, 193 insertions, 215 deletions
diff --git a/xserver/fb/fbpixmap.c b/xserver/fb/fbpixmap.c index a356c67b6..fbcdca99c 100644 --- a/xserver/fb/fbpixmap.c +++ b/xserver/fb/fbpixmap.c @@ -29,30 +29,30 @@ #include "fb.h" PixmapPtr -fbCreatePixmapBpp (ScreenPtr pScreen, int width, int height, int depth, int bpp, - unsigned usage_hint) +fbCreatePixmapBpp(ScreenPtr pScreen, int width, int height, int depth, int bpp, + unsigned usage_hint) { - PixmapPtr pPixmap; - size_t datasize; - size_t paddedWidth; - int adjust; - int base; + PixmapPtr pPixmap; + size_t datasize; + size_t paddedWidth; + int adjust; + int base; - paddedWidth = ((width * bpp + FB_MASK) >> FB_SHIFT) * sizeof (FbBits); + paddedWidth = ((width * bpp + FB_MASK) >> FB_SHIFT) * sizeof(FbBits); if (paddedWidth / 4 > 32767 || height > 32767) - return NullPixmap; + return NullPixmap; datasize = height * paddedWidth; base = pScreen->totalPixmapSize; adjust = 0; if (base & 7) - adjust = 8 - (base & 7); + adjust = 8 - (base & 7); datasize += adjust; #ifdef FB_DEBUG datasize += 2 * paddedWidth; #endif pPixmap = AllocatePixmap(pScreen, datasize); if (!pPixmap) - return NullPixmap; + return NullPixmap; pPixmap->drawable.type = DRAWABLE_PIXMAP; pPixmap->drawable.class = 0; pPixmap->drawable.pScreen = pScreen; @@ -66,11 +66,12 @@ fbCreatePixmapBpp (ScreenPtr pScreen, int width, int height, int depth, int bpp, pPixmap->drawable.height = height; pPixmap->devKind = paddedWidth; pPixmap->refcnt = 1; - pPixmap->devPrivate.ptr = (pointer) ((char *)pPixmap + base + adjust); + pPixmap->devPrivate.ptr = (pointer) ((char *) pPixmap + base + adjust); #ifdef FB_DEBUG - pPixmap->devPrivate.ptr = (void *) ((char *) pPixmap->devPrivate.ptr + paddedWidth); - fbInitializeDrawable (&pPixmap->drawable); + pPixmap->devPrivate.ptr = + (void *) ((char *) pPixmap->devPrivate.ptr + paddedWidth); + fbInitializeDrawable(&pPixmap->drawable); #endif #ifdef COMPOSITE @@ -84,21 +85,22 @@ fbCreatePixmapBpp (ScreenPtr pScreen, int width, int height, int depth, int bpp, } PixmapPtr -fbCreatePixmap (ScreenPtr pScreen, int width, int height, int depth, - unsigned usage_hint) +fbCreatePixmap(ScreenPtr pScreen, int width, int height, int depth, + unsigned usage_hint) { - int bpp; - bpp = BitsPerPixel (depth); + int bpp; + + bpp = BitsPerPixel(depth); if (bpp == 32 && depth <= 24) - bpp = fbGetScreenPrivate(pScreen)->pix32bpp; - return fbCreatePixmapBpp (pScreen, width, height, depth, bpp, usage_hint); + bpp = fbGetScreenPrivate(pScreen)->pix32bpp; + return fbCreatePixmapBpp(pScreen, width, height, depth, bpp, usage_hint); } Bool -fbDestroyPixmap (PixmapPtr pPixmap) +fbDestroyPixmap(PixmapPtr pPixmap) { - if(--pPixmap->refcnt) - return TRUE; + if (--pPixmap->refcnt) + return TRUE; FreePixmap(pPixmap); return TRUE; } @@ -138,183 +140,160 @@ if (((rx1) < (rx2)) && ((ry1) < (ry2)) && \ RegionPtr fbPixmapToRegion(PixmapPtr pPix) { - register RegionPtr pReg; - FbBits *pw, w; - register int ib; - int width, h, base, rx1 = 0, crects; - FbBits *pwLineEnd; - int irectPrevStart, irectLineStart; - register BoxPtr prectO, prectN; - BoxPtr FirstRect, rects, prectLineStart; - Bool fInBox, fSame; - register FbBits mask0 = FB_ALLONES & ~FbScrRight(FB_ALLONES, 1); - FbBits *pwLine; - int nWidth; - + register RegionPtr pReg; + FbBits *pw, w; + register int ib; + int width, h, base, rx1 = 0, crects; + FbBits *pwLineEnd; + int irectPrevStart, irectLineStart; + register BoxPtr prectO, prectN; + BoxPtr FirstRect, rects, prectLineStart; + Bool fInBox, fSame; + register FbBits mask0 = FB_ALLONES & ~FbScrRight(FB_ALLONES, 1); + FbBits *pwLine; + int nWidth; + pReg = RegionCreate(NULL, 1); - if(!pReg) - return NullRegion; + if (!pReg) + return NullRegion; FirstRect = RegionBoxptr(pReg); rects = FirstRect; fbPrepareAccess(&pPix->drawable); pwLine = (FbBits *) pPix->devPrivate.ptr; - nWidth = pPix->devKind >> (FB_SHIFT-3); + nWidth = pPix->devKind >> (FB_SHIFT - 3); width = pPix->drawable.width; pReg->extents.x1 = width - 1; pReg->extents.x2 = 0; irectPrevStart = -1; - for(h = 0; h < pPix->drawable.height; h++) - { - pw = pwLine; - pwLine += nWidth; - irectLineStart = rects - FirstRect; - /* If the Screen left most bit of the word is set, we're starting in - * a box */ - if(READ(pw) & mask0) - { - fInBox = TRUE; - rx1 = 0; - } - else - fInBox = FALSE; - /* Process all words which are fully in the pixmap */ - pwLineEnd = pw + (width >> FB_SHIFT); - for (base = 0; pw < pwLineEnd; base += FB_UNIT) - { - w = READ(pw++); - if (fInBox) - { - if (!~w) - continue; - } - else - { - if (!w) - continue; - } - for(ib = 0; ib < FB_UNIT; ib++) - { - /* If the Screen left most bit of the word is set, we're - * starting a box */ - if(w & mask0) - { - if(!fInBox) - { - rx1 = base + ib; - /* start new box */ - fInBox = TRUE; - } - } - else - { - if(fInBox) - { - /* end box */ - ADDRECT(pReg, rects, FirstRect, - rx1, h, base + ib, h + 1); - fInBox = FALSE; - } - } - /* Shift the word VISUALLY left one. */ - w = FbScrLeft(w, 1); - } - } - if(width & FB_MASK) - { - /* Process final partial word on line */ - w = READ(pw++); - for(ib = 0; ib < (width & FB_MASK); ib++) - { - /* If the Screen left most bit of the word is set, we're - * starting a box */ - if(w & mask0) - { - if(!fInBox) - { - rx1 = base + ib; - /* start new box */ - fInBox = TRUE; - } - } - else - { - if(fInBox) - { - /* end box */ - ADDRECT(pReg, rects, FirstRect, - rx1, h, base + ib, h + 1); - fInBox = FALSE; - } - } - /* Shift the word VISUALLY left one. */ - w = FbScrLeft(w, 1); - } - } - /* If scanline ended with last bit set, end the box */ - if(fInBox) - { - ADDRECT(pReg, rects, FirstRect, - rx1, h, base + (width & FB_MASK), h + 1); - } - /* if all rectangles on this line have the same x-coords as - * those on the previous line, then add 1 to all the previous y2s and - * throw away all the rectangles from this line - */ - fSame = FALSE; - if(irectPrevStart != -1) - { - crects = irectLineStart - irectPrevStart; - if(crects == ((rects - FirstRect) - irectLineStart)) - { - prectO = FirstRect + irectPrevStart; - prectN = prectLineStart = FirstRect + irectLineStart; - fSame = TRUE; - while(prectO < prectLineStart) - { - if((prectO->x1 != prectN->x1) || (prectO->x2 != prectN->x2)) - { - fSame = FALSE; - break; - } - prectO++; - prectN++; - } - if (fSame) - { - prectO = FirstRect + irectPrevStart; - while(prectO < prectLineStart) - { - prectO->y2 += 1; - prectO++; - } - rects -= crects; - pReg->data->numRects -= crects; - } - } - } - if(!fSame) - irectPrevStart = irectLineStart; + for (h = 0; h < pPix->drawable.height; h++) { + pw = pwLine; + pwLine += nWidth; + irectLineStart = rects - FirstRect; + /* If the Screen left most bit of the word is set, we're starting in + * a box */ + if (READ(pw) & mask0) { + fInBox = TRUE; + rx1 = 0; + } + else + fInBox = FALSE; + /* Process all words which are fully in the pixmap */ + pwLineEnd = pw + (width >> FB_SHIFT); + for (base = 0; pw < pwLineEnd; base += FB_UNIT) { + w = READ(pw++); + if (fInBox) { + if (!~w) + continue; + } + else { + if (!w) + continue; + } + for (ib = 0; ib < FB_UNIT; ib++) { + /* If the Screen left most bit of the word is set, we're + * starting a box */ + if (w & mask0) { + if (!fInBox) { + rx1 = base + ib; + /* start new box */ + fInBox = TRUE; + } + } + else { + if (fInBox) { + /* end box */ + ADDRECT(pReg, rects, FirstRect, + rx1, h, base + ib, h + 1); + fInBox = FALSE; + } + } + /* Shift the word VISUALLY left one. */ + w = FbScrLeft(w, 1); + } + } + if (width & FB_MASK) { + /* Process final partial word on line */ + w = READ(pw++); + for (ib = 0; ib < (width & FB_MASK); ib++) { + /* If the Screen left most bit of the word is set, we're + * starting a box */ + if (w & mask0) { + if (!fInBox) { + rx1 = base + ib; + /* start new box */ + fInBox = TRUE; + } + } + else { + if (fInBox) { + /* end box */ + ADDRECT(pReg, rects, FirstRect, + rx1, h, base + ib, h + 1); + fInBox = FALSE; + } + } + /* Shift the word VISUALLY left one. */ + w = FbScrLeft(w, 1); + } + } + /* If scanline ended with last bit set, end the box */ + if (fInBox) { + ADDRECT(pReg, rects, FirstRect, + rx1, h, base + (width & FB_MASK), h + 1); + } + /* if all rectangles on this line have the same x-coords as + * those on the previous line, then add 1 to all the previous y2s and + * throw away all the rectangles from this line + */ + fSame = FALSE; + if (irectPrevStart != -1) { + crects = irectLineStart - irectPrevStart; + if (crects == ((rects - FirstRect) - irectLineStart)) { + prectO = FirstRect + irectPrevStart; + prectN = prectLineStart = FirstRect + irectLineStart; + fSame = TRUE; + while (prectO < prectLineStart) { + if ((prectO->x1 != prectN->x1) || + (prectO->x2 != prectN->x2)) { + fSame = FALSE; + break; + } + prectO++; + prectN++; + } + if (fSame) { + prectO = FirstRect + irectPrevStart; + while (prectO < prectLineStart) { + prectO->y2 += 1; + prectO++; + } + rects -= crects; + pReg->data->numRects -= crects; + } + } + } + if (!fSame) + irectPrevStart = irectLineStart; } if (!pReg->data->numRects) - pReg->extents.x1 = pReg->extents.x2 = 0; - else - { - pReg->extents.y1 = RegionBoxptr(pReg)->y1; - pReg->extents.y2 = RegionEnd(pReg)->y2; - if (pReg->data->numRects == 1) - { - free(pReg->data); - pReg->data = (RegDataPtr)NULL; - } + pReg->extents.x1 = pReg->extents.x2 = 0; + else { + pReg->extents.y1 = RegionBoxptr(pReg)->y1; + pReg->extents.y2 = RegionEnd(pReg)->y2; + if (pReg->data->numRects == 1) { + free(pReg->data); + pReg->data = (RegDataPtr) NULL; + } } fbFinishAccess(&pPix->drawable); #ifdef DEBUG if (!RegionIsValid(pReg)) - FatalError("Assertion failed file %s, line %d: expr\n", __FILE__, __LINE__); + FatalError("Assertion failed file %s, line %d: expr\n", __FILE__, + __LINE__); #endif return pReg; } @@ -328,63 +307,62 @@ fbPixmapToRegion(PixmapPtr pPix) #endif static Bool -fbValidateBits (FbStip *bits, int stride, FbStip data) +fbValidateBits(FbStip * bits, int stride, FbStip data) { - while (stride--) - { - if (*bits != data) - { + while (stride--) { + if (*bits != data) { #ifdef WIN32 - NCD_DEBUG ((DEBUG_FAILURE, "fdValidateBits failed at 0x%x (is 0x%x want 0x%x)", - bits, *bits, data)); + NCD_DEBUG((DEBUG_FAILURE, + "fdValidateBits failed at 0x%x (is 0x%x want 0x%x)", + bits, *bits, data)); #else - fprintf (stderr, "fbValidateBits failed\n"); + fprintf(stderr, "fbValidateBits failed\n"); #endif - return FALSE; - } - bits++; + return FALSE; + } + bits++; } } void -fbValidateDrawable (DrawablePtr pDrawable) +fbValidateDrawable(DrawablePtr pDrawable) { - FbStip *bits, *first, *last; - int stride, bpp; - int xoff, yoff; - int height; - Bool failed; - + FbStip *bits, *first, *last; + int stride, bpp; + int xoff, yoff; + int height; + Bool failed; + if (pDrawable->type != DRAWABLE_PIXMAP) - pDrawable = (DrawablePtr) fbGetWindowPixmap(pDrawable); + pDrawable = (DrawablePtr) fbGetWindowPixmap(pDrawable); fbGetStipDrawable(pDrawable, bits, stride, bpp, xoff, yoff); first = bits - stride; last = bits + stride * pDrawable->height; - if (!fbValidateBits (first, stride, FB_HEAD_BITS) || - !fbValidateBits (last, stride, FB_TAIL_BITS)) - fbInitializeDrawable(pDrawable); - fbFinishAccess (pDrawable); + if (!fbValidateBits(first, stride, FB_HEAD_BITS) || + !fbValidateBits(last, stride, FB_TAIL_BITS)) + fbInitializeDrawable(pDrawable); + fbFinishAccess(pDrawable); } void -fbSetBits (FbStip *bits, int stride, FbStip data) +fbSetBits(FbStip * bits, int stride, FbStip data) { while (stride--) - *bits++ = data; + *bits++ = data; } void -fbInitializeDrawable (DrawablePtr pDrawable) +fbInitializeDrawable(DrawablePtr pDrawable) { - FbStip *bits, *first, *last; - int stride, bpp; - int xoff, yoff; - + FbStip *bits, *first, *last; + int stride, bpp; + int xoff, yoff; + fbGetStipDrawable(pDrawable, bits, stride, bpp, xoff, yoff); first = bits - stride; last = bits + stride * pDrawable->height; - fbSetBits (first, stride, FB_HEAD_BITS); - fbSetBits (last, stride, FB_TAIL_BITS); - fbFinishAccess (pDrawable); + fbSetBits(first, stride, FB_HEAD_BITS); + fbSetBits(last, stride, FB_TAIL_BITS); + fbFinishAccess(pDrawable); } -#endif /* FB_DEBUG */ +#endif /* FB_DEBUG */ |