From f13b792a3a8d307a18cd6a41aa5a06622009e42f Mon Sep 17 00:00:00 2001 From: Dirk Hohndel Date: Fri, 19 Nov 1999 13:54:06 +0000 Subject: 3336. Fx up new MMIO macros (#3337, Matt Grossman). 3335. Clean up compiler warnings in lib/font/bitmap (#3411, Matt Grossman). 3334. TGA fixes, add sync on green (#3410, Matt Grossman). 3333. Fix NULL pointer dereference in libXaw (#3406, Christopher Sekiya). 3332. Add Rage128 support (#3405, Rik Faith, funded by ATI). 3331. Add MTRR support for NetBSD and OpenBSD. Add new NetBSD aperture driver (#3404, Matthieu Herrb). 3330. Xterm patch #121 (#3402, Thomas Dickey). 3329. Rendition driver bugfixes and alpha related cleanups (#3400, Dejan Ilic, Marc Langenbach, Egbert Eich). 3328. Add void input device (#3392, Frederic Lepied). 3327. Changed the Xon serial option to be able to select xon/xoff for input, output or both. Add support for Graphire models. Change wacom init phase to use new Xoff option (#3391, Frederic Lepied). 3326. Change the SwapAxes option to SwapXY in elographics/microtouch driver to match an already existing option in the Dynapro driver. Add a Focus class capability to the elographics driver (#3395, Patrick Lecoanet). 3325. Update mouse rate handling (#3388, Harald Koenig). 3324. Fix NULL pointer dereference in misprite.c (#3380, Edward Wang). 3323. Add FBDev and ShadowFB support to glint driver. Add new option "NoWriteBitmap" (#3383, Michel Daenzer). 3322. Update SuperProbe to handle S3 Savage4, Savage200 and clean up Trio3D/Savage3D detection (#3382,3384 Harald Koenig). 3321. Add new framebuffer code and tiny X DDX architecture (#3379, Keith Packard). 3320. Add DGA2 documentation (#3378, Mark Vojkovich). 3319. Update XFree86 manpage wrt -bpp/-depth/-fbbpp (#3377, Andy Isaacson). 3318. Make SuperProbe check primary cards, only (#3374, Harald Koenig). 3317. Add SilkenMouse to *BSD (#3373, Matthieu Herrb). 3316. Allow SilkenMouse to work if not all drivers of an OS support SIGIO (#3372, Keith Packard). 3315. Fix a few problems in TGA driver and add support for backing store and SilkenMouse (#3371, Matt Grossman). 3314. Add smarter scheduler (#3370, Keith Packard). 3313. Xterm patch #120 (#3369, Thomas Dickey). 3312. Enable xf86SetKbdRate function on Solaris 8 (#3364, David Holland). 3311. Fix some bugs and add acceleration to Rendition server (#3360, Dejan Ilic). 3310. Make raw DDC information available as properties in the root window (#3357, Andrew Aitchison). 3309. Fix for xf86CreateRootWindow (#3355, Andrew Aitchison). 3308. Add manpage for the chips driver (#3353, David Bateman). 3307. Update contact info (#3352, Andrew van der Stock). 3306. Add kbd rate support for Linux (#3363, Harald Koenig). 3305. Update Portuguese XKB map (#3351, Joao Esteves, Francisco Colaco). 3304. Fix text clipping in 3dfx driver (#3349, Henrik Harmsen). 3303. Fix S3 ViRGE hw cursor (#3348, Harald Koenig). 3302. Fix clipping in 3dfx driver (#3342, Daryll Strauss). 3301. Enable SilkenMouse for 3dfx driver (#3341, Henrik Harmsen). 3300. Enable SIGIO support on LynxOS (#3339, Thomas Mueller). 3299. Get TRUE defined in sigio.c. Fix xterm compile problem on ISC (#3338, Michael Rohleder). 3298. Correct DPMS suspend/standby modes for 3dfx driver (#3336, Henrik Harmsen) 3297. Xterm patch #119 (#3335, Thomas Dickey). --- hw/kdrive/savage/s3draw.c | 2334 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 2334 insertions(+) create mode 100644 hw/kdrive/savage/s3draw.c (limited to 'hw/kdrive/savage/s3draw.c') diff --git a/hw/kdrive/savage/s3draw.c b/hw/kdrive/savage/s3draw.c new file mode 100644 index 000000000..c57bc2eb5 --- /dev/null +++ b/hw/kdrive/savage/s3draw.c @@ -0,0 +1,2334 @@ +/* + * $Id$ + * + * Copyright 1999 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. + */ +/* $XFree86: $ */ + +#include "s3.h" +#include "s3draw.h" + +#include "Xmd.h" +#include "gcstruct.h" +#include "scrnintstr.h" +#include "pixmapstr.h" +#include "regionstr.h" +#include "mistruct.h" +#include "fontstruct.h" +#include "dixfontstr.h" +#include "fb.h" +#include "migc.h" +#include "miline.h" + +/* + * Map X rops to S3 rops + */ + +short s3alu[16] = { + MIX_0, + MIX_AND, + MIX_SRC_AND_NOT_DST, + MIX_SRC, + MIX_NOT_SRC_AND_DST, + MIX_DST, + MIX_XOR, + MIX_OR, + MIX_NOR, + MIX_XNOR, + MIX_NOT_DST, + MIX_SRC_OR_NOT_DST, + MIX_NOT_SRC, + MIX_NOT_SRC_OR_DST, + MIX_NAND, + MIX_1 +}; + +/* + * Handle pixel transfers + */ + +#define BURST +#ifdef BURST +#define PixTransDeclare VOL32 *pix_trans_base = (VOL32 *) (s3c->registers),\ + *pix_trans = pix_trans_base; +#define PixTransStart(n) if (pix_trans + (n) > pix_trans_base + 8192) pix_trans = pix_trans_base; +#define PixTransStore(t) *pix_trans++ = (t) +#else +#define PixTransDeclare VOL32 *pix_trans = &s3->pix_trans; +#define PixTransStart(n) +#define PixTransStore(t) *pix_trans = (t) +#endif + +int s3GCPrivateIndex; +int s3WindowPrivateIndex; +int s3Generation; + +/* + s3DoBitBlt + ============= + Bit Blit for all window to window blits. +*/ + +#define sourceInvarient(alu) (((alu) & 3) == (((alu) >> 2) & 3)) + +void +s3CopyNtoN (DrawablePtr pSrcDrawable, + DrawablePtr pDstDrawable, + GCPtr pGC, + BoxPtr pbox, + int nbox, + int dx, + int dy, + Bool reverse, + Bool upsidedown, + Pixel bitplane, + void *closure) +{ + SetupS3(pDstDrawable->pScreen); + int srcX, srcY, dstX, dstY; + int w, h; + int flags; + + if (sourceInvarient (pGC->alu)) + { + s3FillBoxSolid (pDstDrawable, nbox, pbox, 0, pGC->alu, pGC->planemask); + return; + } + + _s3SetBlt(s3,pGC->alu,pGC->planemask); + DRAW_DEBUG ((DEBUG_RENDER, "s3CopyNtoN alu %d planemask 0x%x", + pGC->alu, pGC->planemask)); + while (nbox--) + { + w = pbox->x2 - pbox->x1; + h = pbox->y2 - pbox->y1; + flags = 0; + if (reverse) + { + dstX = pbox->x2 - 1; + } + else + { + dstX = pbox->x1; + flags |= INC_X; + } + srcX = dstX + dx; + + if (upsidedown) + { + dstY = pbox->y2 - 1; + } + else + { + dstY = pbox->y1; + flags |= INC_Y; + } + srcY = dstY + dy; + + _s3Blt (s3, srcX, srcY, dstX, dstY, w, h, flags); + pbox++; + } + _s3WaitIdleEmpty(s3); +} + +RegionPtr +s3CopyArea(DrawablePtr pSrcDrawable, DrawablePtr pDstDrawable, GCPtr pGC, + int srcx, int srcy, int width, int height, int dstx, int dsty) +{ + KdScreenPriv(pDstDrawable->pScreen); + + if (pSrcDrawable->type == DRAWABLE_WINDOW && + pDstDrawable->type == DRAWABLE_WINDOW) + { + return fbDoCopy (pSrcDrawable, pDstDrawable, pGC, + srcx, srcy, width, height, + dstx, dsty, s3CopyNtoN, 0, 0); + } + return fbCopyArea (pSrcDrawable, pDstDrawable, pGC, + srcx, srcy, width, height, dstx, dsty); +} + +typedef struct _s31toNargs { + unsigned long copyPlaneFG, copyPlaneBG; +} s31toNargs; + +void +_s3Stipple (S3CardInfo *s3c, + FbStip *psrcBase, + FbStride widthSrc, + int srcx, + int srcy, + int dstx, + int dsty, + int width, + int height) +{ + S3Ptr s3 = s3c->s3; + FbStip *psrcLine, *psrc; + FbStride widthRest; + FbStip bits, tmp, lastTmp; + int leftShift, rightShift; + int nl, nlMiddle; + int r; + PixTransDeclare; + + /* Compute blt address and parameters */ + psrc = psrcBase + srcy * widthSrc + (srcx >> 5); + nlMiddle = (width + 31) >> 5; + leftShift = srcx & 0x1f; + rightShift = 32 - leftShift; + widthRest = widthSrc - nlMiddle; + + _s3PlaneBlt(s3,dstx,dsty,width,height); + + if (leftShift == 0) + { + while (height--) + { + nl = nlMiddle; + PixTransStart(nl); + while (nl--) + { + tmp = *psrc++; + S3InvertBits32(tmp); + PixTransStore (tmp); + } + psrc += widthRest; + } + } + else + { + widthRest--; + while (height--) + { + bits = *psrc++; + nl = nlMiddle; + PixTransStart(nl); + while (nl--) + { + tmp = FbStipLeft(bits, leftShift); + bits = *psrc++; + tmp |= FbStipRight(bits, rightShift); + S3InvertBits32(tmp); + PixTransStore (tmp); + } + psrc += widthRest; + } + } +} + +void +s3Copy1toN (DrawablePtr pSrcDrawable, + DrawablePtr pDstDrawable, + GCPtr pGC, + BoxPtr pbox, + int nbox, + int dx, + int dy, + Bool reverse, + Bool upsidedown, + Pixel bitplane, + void *closure) +{ + SetupS3(pDstDrawable->pScreen); + + s31toNargs *args = closure; + int dstx, dsty; + FbStip *psrcBase; + FbStride widthSrc; + int srcBpp; + + if (sourceInvarient (pGC->alu)) + { + s3FillBoxSolid (pDstDrawable, nbox, pbox, + pGC->bgPixel, pGC->alu, pGC->planemask); + return; + } + + fbGetStipDrawable (pSrcDrawable, psrcBase, widthSrc, srcBpp); + + _s3SetOpaquePlaneBlt(s3,pGC->alu,pGC->planemask,args->copyPlaneFG, + args->copyPlaneBG); + + while (nbox--) + { + dstx = pbox->x1; + dsty = pbox->y1; + + _s3Stipple (s3c, + psrcBase, widthSrc, + dstx + dx, dsty + dy, + dstx, dsty, + pbox->x2 - dstx, pbox->y2 - dsty); + pbox++; + } + _s3WaitIdleEmpty (s3); +} + +RegionPtr +s3CopyPlane(DrawablePtr pSrcDrawable, DrawablePtr pDstDrawable, GCPtr pGC, + int srcx, int srcy, int width, int height, + int dstx, int dsty, unsigned long bitPlane) +{ + KdScreenPriv (pDstDrawable->pScreen); + RegionPtr ret; + s31toNargs args; + + if (pDstDrawable->type == DRAWABLE_WINDOW && + pSrcDrawable->depth == 1) + { + args.copyPlaneFG = pGC->fgPixel; + args.copyPlaneBG = pGC->bgPixel; + return fbDoCopy (pSrcDrawable, pDstDrawable, pGC, + srcx, srcy, width, height, + dstx, dsty, s3Copy1toN, bitPlane, &args); + } + return fbCopyPlane(pSrcDrawable, pDstDrawable, pGC, + srcx, srcy, width, height, + dstx, dsty, bitPlane); +} + +void +s3FillBoxSolid (DrawablePtr pDrawable, int nBox, BoxPtr pBox, + unsigned long pixel, int alu, unsigned long planemask) +{ + SetupS3(pDrawable->pScreen); + register int r; + + _s3SetSolidFill(s3,pixel,alu,planemask); + + while (nBox--) { + _s3SolidRect(s3,pBox->x1,pBox->y1,pBox->x2-pBox->x1,pBox->y2-pBox->y1); + pBox++; + } + _s3WaitIdleEmpty(s3); +} + +void +_s3SetPattern (ScreenPtr pScreen, + int alu, unsigned long planemask, s3PatternPtr pPattern) +{ + SetupS3(pScreen); + S3PatternCache *cache; + + _s3LoadPattern (pScreen, pPattern); + cache = pPattern->cache; + + switch (pPattern->fillStyle) { + case FillTiled: + _s3SetTile(s3,alu,planemask); + break; + case FillStippled: + _s3SetStipple(s3,alu,planemask,pPattern->fore); + break; + case FillOpaqueStippled: + _s3SetOpaqueStipple(s3,alu,planemask,pPattern->fore,pPattern->back); + break; + } +} + +void +s3FillBoxPattern (DrawablePtr pDrawable, int nBox, BoxPtr pBox, + int alu, unsigned long planemask, s3PatternPtr pPattern) +{ + SetupS3(pDrawable->pScreen); + S3PatternCache *cache; + int patx, paty; + + _s3SetPattern (pDrawable->pScreen, alu, planemask, pPattern); + cache = pPattern->cache; + while (nBox--) + { + _s3PatRect(s3,cache->x, cache->y, + pBox->x1, pBox->y1, + pBox->x2-pBox->x1, pBox->y2-pBox->y1); + pBox++; + } + _s3WaitIdleEmpty(s3); +} + +void +s3FillBoxLargeStipple (DrawablePtr pDrawable, GCPtr pGC, + int nBox, BoxPtr pBox) +{ + SetupS3(pDrawable->pScreen); + DrawablePtr pStipple = &pGC->stipple->drawable; + int xRot = pGC->patOrg.x + pDrawable->x; + int yRot = pGC->patOrg.y + pDrawable->y; + FbStip *stip; + FbStride stipStride; + int stipBpp; + int stipWidth, stipHeight; + int dstX, dstY, width, height; + + stipWidth = pStipple->width; + stipHeight = pStipple->height; + fbGetStipDrawable (pStipple, stip, stipStride, stipBpp); + + if (pGC->fillStyle == FillOpaqueStippled) + { + _s3SetOpaquePlaneBlt(s3,pGC->alu,pGC->planemask, + pGC->fgPixel, pGC->bgPixel); + + } + else + { + _s3SetTransparentPlaneBlt(s3,pGC->alu,pGC->planemask, pGC->fgPixel); + } + + while (nBox--) + { + int stipX, stipY, sx; + int widthTmp; + int h, w; + int x, y; + + dstX = pBox->x1; + dstY = pBox->y1; + width = pBox->x2 - pBox->x1; + height = pBox->y2 - pBox->y1; + pBox++; + modulus (dstY - yRot, stipHeight, stipY); + modulus (dstX - xRot, stipWidth, stipX); + y = dstY; + while (height) + { + h = stipHeight - stipY; + if (h > height) + h = height; + height -= h; + widthTmp = width; + x = dstX; + sx = stipX; + while (widthTmp) + { + w = (stipWidth - sx); + if (w > widthTmp) + w = widthTmp; + widthTmp -= w; + _s3Stipple (s3c, + stip, + stipStride, + sx, stipY, + x, y, + w, h); + x += w; + sx = 0; + } + y += h; + stipY = 0; + } + } + _s3WaitIdleEmpty (s3); +} + +#define NUM_STACK_RECTS 1024 + +void +s3PolyFillRect (DrawablePtr pDrawable, GCPtr pGC, + int nrectFill, xRectangle *prectInit) +{ + s3GCPrivate(pGC); + xRectangle *prect; + RegionPtr prgnClip; + register BoxPtr pbox; + register BoxPtr pboxClipped; + BoxPtr pboxClippedBase; + BoxPtr pextent; + BoxRec stackRects[NUM_STACK_RECTS]; + FbGCPrivPtr fbPriv = fbGetGCPrivate (pGC); + int numRects; + int n; + int xorg, yorg; + int x, y; + + prgnClip = fbGetCompositeClip(pGC); + xorg = pDrawable->x; + yorg = pDrawable->y; + + if (xorg || yorg) + { + prect = prectInit; + n = nrectFill; + while(n--) + { + prect->x += xorg; + prect->y += yorg; + prect++; + } + } + + prect = prectInit; + + numRects = REGION_NUM_RECTS(prgnClip) * nrectFill; + if (numRects > NUM_STACK_RECTS) + { + pboxClippedBase = (BoxPtr)ALLOCATE_LOCAL(numRects * sizeof(BoxRec)); + if (!pboxClippedBase) + return; + } + else + pboxClippedBase = stackRects; + + pboxClipped = pboxClippedBase; + + if (REGION_NUM_RECTS(prgnClip) == 1) + { + int x1, y1, x2, y2, bx2, by2; + + pextent = REGION_RECTS(prgnClip); + x1 = pextent->x1; + y1 = pextent->y1; + x2 = pextent->x2; + y2 = pextent->y2; + while (nrectFill--) + { + if ((pboxClipped->x1 = prect->x) < x1) + pboxClipped->x1 = x1; + + if ((pboxClipped->y1 = prect->y) < y1) + pboxClipped->y1 = y1; + + bx2 = (int) prect->x + (int) prect->width; + if (bx2 > x2) + bx2 = x2; + pboxClipped->x2 = bx2; + + by2 = (int) prect->y + (int) prect->height; + if (by2 > y2) + by2 = y2; + pboxClipped->y2 = by2; + + prect++; + if ((pboxClipped->x1 < pboxClipped->x2) && + (pboxClipped->y1 < pboxClipped->y2)) + { + pboxClipped++; + } + } + } + else + { + int x1, y1, x2, y2, bx2, by2; + + pextent = REGION_EXTENTS(pGC->pScreen, prgnClip); + x1 = pextent->x1; + y1 = pextent->y1; + x2 = pextent->x2; + y2 = pextent->y2; + while (nrectFill--) + { + BoxRec box; + + if ((box.x1 = prect->x) < x1) + box.x1 = x1; + + if ((box.y1 = prect->y) < y1) + box.y1 = y1; + + bx2 = (int) prect->x + (int) prect->width; + if (bx2 > x2) + bx2 = x2; + box.x2 = bx2; + + by2 = (int) prect->y + (int) prect->height; + if (by2 > y2) + by2 = y2; + box.y2 = by2; + + prect++; + + if ((box.x1 >= box.x2) || (box.y1 >= box.y2)) + continue; + + n = REGION_NUM_RECTS (prgnClip); + pbox = REGION_RECTS(prgnClip); + + /* clip the rectangle to each box in the clip region + this is logically equivalent to calling Intersect() + */ + while(n--) + { + pboxClipped->x1 = max(box.x1, pbox->x1); + pboxClipped->y1 = max(box.y1, pbox->y1); + pboxClipped->x2 = min(box.x2, pbox->x2); + pboxClipped->y2 = min(box.y2, pbox->y2); + pbox++; + + /* see if clipping left anything */ + if(pboxClipped->x1 < pboxClipped->x2 && + pboxClipped->y1 < pboxClipped->y2) + { + pboxClipped++; + } + } + } + } + if (pboxClipped != pboxClippedBase) + { + if (pGC->fillStyle == FillSolid) + s3FillBoxSolid(pDrawable, + pboxClipped-pboxClippedBase, pboxClippedBase, + pGC->fgPixel, pGC->alu, pGC->planemask); + else if (s3Priv->pPattern) + s3FillBoxPattern (pDrawable, + pboxClipped-pboxClippedBase, pboxClippedBase, + pGC->alu, pGC->planemask, + s3Priv->pPattern); + else + s3FillBoxLargeStipple (pDrawable, pGC, + pboxClipped-pboxClippedBase, + pboxClippedBase); + } + if (pboxClippedBase != stackRects) + DEALLOCATE_LOCAL(pboxClippedBase); +} + +void +_s3FillSpanLargeStipple (DrawablePtr pDrawable, GCPtr pGC, + int n, DDXPointPtr ppt, int *pwidth) +{ + SetupS3 (pDrawable->pScreen); + DrawablePtr pStipple = &pGC->stipple->drawable; + int xRot = pGC->patOrg.x + pDrawable->x; + int yRot = pGC->patOrg.y + pDrawable->y; + FbStip *stip; + FbStride stipStride; + int stipBpp; + int stipWidth, stipHeight; + int dstX, dstY, width, height; + + stipWidth = pStipple->width; + stipHeight = pStipple->height; + fbGetStipDrawable (pStipple, stip, stipStride, stipBpp); + if (pGC->fillStyle == FillOpaqueStippled) + { + _s3SetOpaquePlaneBlt(s3,pGC->alu,pGC->planemask, + pGC->fgPixel, pGC->bgPixel); + + } + else + { + _s3SetTransparentPlaneBlt(s3,pGC->alu,pGC->planemask, pGC->fgPixel); + } + while (n--) + { + int stipX, stipY, sx; + int w; + int x, y; + + dstX = ppt->x; + dstY = ppt->y; + ppt++; + width = *pwidth++; + modulus (dstY - yRot, stipHeight, stipY); + modulus (dstX - xRot, stipWidth, stipX); + y = dstY; + x = dstX; + sx = stipX; + while (width) + { + w = (stipWidth - sx); + if (w > width) + w = width; + width -= w; + _s3Stipple (s3c, + stip, + stipStride, + sx, stipY, + x, y, + w, 1); + x += w; + sx = 0; + } + } +} + +void +s3FillSpans (DrawablePtr pDrawable, GCPtr pGC, int n, + DDXPointPtr ppt, int *pwidth, int fSorted) +{ + s3GCPrivate(pGC); + SetupS3(pDrawable->pScreen); + int x, y; + int width; + /* next three parameters are post-clip */ + int nTmp; + int *pwidthFree;/* copies of the pointers to free */ + DDXPointPtr pptFree; + FbGCPrivPtr fbPriv = fbGetGCPrivate(pGC); + BoxPtr extents; + S3PatternCache *cache; + + nTmp = n * miFindMaxBand(fbGetCompositeClip(pGC)); + pwidthFree = (int *)ALLOCATE_LOCAL(nTmp * sizeof(int)); + pptFree = (DDXPointRec *)ALLOCATE_LOCAL(nTmp * sizeof(DDXPointRec)); + if(!pptFree || !pwidthFree) + { + if (pptFree) DEALLOCATE_LOCAL(pptFree); + if (pwidthFree) DEALLOCATE_LOCAL(pwidthFree); + return; + } + n = miClipSpans(fbGetCompositeClip(pGC), + ppt, pwidth, n, + pptFree, pwidthFree, fSorted); + pwidth = pwidthFree; + ppt = pptFree; + if (pGC->fillStyle == FillSolid) + { + _s3SetSolidFill(s3,pGC->fgPixel,pGC->alu,pGC->planemask); + while (n--) + { + x = ppt->x; + y = ppt->y; + ppt++; + width = *pwidth++; + if (width) + { + _s3SolidRect(s3,x,y,width,1); + } + } + } + else if (s3Priv->pPattern) + { + _s3SetPattern (pDrawable->pScreen, pGC->alu, pGC->planemask, + s3Priv->pPattern); + cache = s3Priv->pPattern->cache; + while (n--) + { + x = ppt->x; + y = ppt->y; + ppt++; + width = *pwidth++; + if (width) + { + _s3PatRect(s3, cache->x, cache->y, x, y, width, 1); + } + } + } + else + { + _s3FillSpanLargeStipple (pDrawable, pGC, n, ppt, pwidth); + } + _s3WaitIdleEmpty (s3); + DEALLOCATE_LOCAL(pptFree); + DEALLOCATE_LOCAL(pwidthFree); +} + +#include "mifillarc.h" + +#define FILLSPAN(s3,y,__x1,__x2) {\ + DRAW_DEBUG ((DEBUG_ARCS, "FILLSPAN %d: %d->%d", y, __x1, __x2)); \ + if ((__x2) >= (__x1)) {\ + _s3SolidRect(s3,(__x1),(y),(__x2)-(__x1)+1,1); \ + } \ +} + +#define FILLSLICESPANS(flip,__y) \ + if (!flip) \ + { \ + FILLSPAN(s3,__y,xl,xr) \ + } \ + else \ + { \ + xc = xorg - x; \ + FILLSPAN(s3, __y, xc, xr) \ + xc += slw - 1; \ + FILLSPAN(s3, __y, xl, xc) \ + } + +static void +_s3FillEllipse (DrawablePtr pDraw, S3Ptr s3, xArc *arc) +{ + int x, y, e; + int yk, xk, ym, xm, dx, dy, xorg, yorg; + int y_top, y_bot; + miFillArcRec info; + register int xpos; + int slw; + + miFillArcSetup(arc, &info); + MIFILLARCSETUP(); + y_top = pDraw->y + yorg - y; + y_bot = pDraw->y + yorg + y + dy; + xorg += pDraw->x; + while (y) + { + y_top++; + y_bot--; + MIFILLARCSTEP(slw); + if (!slw) + continue; + xpos = xorg - x; + _s3SolidRect (s3,xpos,y_top,slw,1); + if (miFillArcLower(slw)) + _s3SolidRect (s3,xpos,y_bot,slw,1); + } +} + + +static void +_s3FillArcSlice (DrawablePtr pDraw, GCPtr pGC, S3Ptr s3, xArc *arc) +{ + int yk, xk, ym, xm, dx, dy, xorg, yorg, slw; + register int x, y, e; + miFillArcRec info; + miArcSliceRec slice; + int xl, xr, xc; + int y_top, y_bot; + + DRAW_DEBUG ((DEBUG_ARCS, "slice %dx%d+%d+%d %d->%d", + arc->width, arc->height, arc->x, arc->y, + arc->angle1, arc->angle2)); + miFillArcSetup(arc, &info); + miFillArcSliceSetup(arc, &slice, pGC); + DRAW_DEBUG ((DEBUG_ARCS, "edge1.x %d edge2.x %d", + slice.edge1.x, slice.edge2.x)); + MIFILLARCSETUP(); + DRAW_DEBUG ((DEBUG_ARCS, "xorg %d yorg %d", + xorg, yorg)); + xorg += pDraw->x; + yorg += pDraw->y; + y_top = yorg - y; + y_bot = yorg + y + dy; + slice.edge1.x += pDraw->x; + slice.edge2.x += pDraw->x; + DRAW_DEBUG ((DEBUG_ARCS, "xorg %d y_top %d y_bot %d", + xorg, y_top, y_bot)); + while (y > 0) + { + y_top++; + y_bot--; + MIFILLARCSTEP(slw); + MIARCSLICESTEP(slice.edge1); + MIARCSLICESTEP(slice.edge2); + if (miFillSliceUpper(slice)) + { + MIARCSLICEUPPER(xl, xr, slice, slw); + FILLSLICESPANS(slice.flip_top, y_top); + } + if (miFillSliceLower(slice)) + { + MIARCSLICELOWER(xl, xr, slice, slw); + FILLSLICESPANS(slice.flip_bot, y_bot); + } + } +} + +void +s3PolyFillArcSolid (DrawablePtr pDraw, GCPtr pGC, int narcs, xArc *parcs) +{ + SetupS3(pDraw->pScreen); + xArc *arc; + int i; + int x, y; + BoxRec box; + RegionPtr pClip = fbGetCompositeClip(pGC); + BOOL set; + + set = FALSE; + for (; --narcs >= 0; parcs++) + { + if (miFillArcEmpty(parcs)) + continue; + if (miCanFillArc(parcs)) + { + box.x1 = parcs->x + pDraw->x; + box.y1 = parcs->y + pDraw->y; + box.x2 = box.x1 + (int)parcs->width + 1; + box.y2 = box.y1 + (int)parcs->height + 1; + switch (RECT_IN_REGION(pDraw->pScreen, pClip, &box)) + { + case rgnIN: + if (!set) + { + _s3SetSolidFill (s3, pGC->fgPixel, pGC->alu, pGC->planemask); + set = TRUE; + } + if ((parcs->angle2 >= FULLCIRCLE) || + (parcs->angle2 <= -FULLCIRCLE)) + { + DRAW_DEBUG ((DEBUG_ARCS, "Full circle ellipse %dx%d", + parcs->width, parcs->height)); + _s3FillEllipse (pDraw, s3, parcs); + } + else + { + DRAW_DEBUG ((DEBUG_ARCS, "Partial ellipse %dx%d", + parcs->width, parcs->height)); + _s3FillArcSlice (pDraw, pGC, s3, parcs); + } + /* fall through ... */ + case rgnOUT: + continue; + case rgnPART: + break; + } + } + if (set) + { + _s3WaitIdleEmpty(s3); + set = FALSE; + } + miPolyFillArc(pDraw, pGC, 1, parcs); + } + if (set) + { + _s3WaitIdleEmpty(s3); + set = FALSE; + } +} + +void +s3FillPoly1Rect (DrawablePtr pDrawable, GCPtr pGC, int shape, + int mode, int countInit, DDXPointPtr ptsIn) +{ + SetupS3(pDrawable->pScreen); + FbGCPrivPtr fbPriv; + int nwidth; + int maxy; + int count; + register int vertex1, vertex2; + int c; + BoxPtr extents; + int y, sy; + int *vertex1p, *vertex2p; + int *endp; + int x1, x2, sx; + int dx1, dx2; + int dy1, dy2; + int e1, e2; + int step1, step2; + int sign1, sign2; + int h; + int l, r; + int nmiddle; + + if (mode == CoordModePrevious) + { + miFillPolygon (pDrawable, pGC, shape, mode, countInit, ptsIn); + return; + } + + fbPriv = fbGetGCPrivate(pGC); + sy = pDrawable->y; + sx = pDrawable->x; + extents = &fbGetCompositeClip(pGC)->extents; + + y = 32767; + maxy = 0; + vertex2p = (int *) ptsIn; + endp = vertex2p + countInit; + if (shape == Convex) + { + count = countInit; + while (count--) + { + c = *vertex2p; + /* + * Check for negative or over S3 limits + */ + if (c & 0xe000e000) + { + miFillPolygon (pDrawable, pGC, shape, mode, countInit, ptsIn); + return; + } + c = intToY(c); + DRAW_DEBUG ((DEBUG_POLYGON, "Y coordinate %d", c)); + if (c < y) + { + y = c; + vertex1p = vertex2p; + } + vertex2p++; + if (c > maxy) + maxy = c; + } + } + else + { + int yFlip = 0; + dx1 = 1; + x2 = -1; + x1 = -1; + count = countInit; + while (count--) + { + c = *vertex2p; + /* + * Check for negative or over S3 limits + */ + if (c & 0xe000e000) + { + miFillPolygon (pDrawable, pGC, shape, mode, countInit, ptsIn); + return; + } + c = intToY(c); + DRAW_DEBUG ((DEBUG_POLYGON, "Y coordinate %d", c)); + if (c < y) + { + y = c; + vertex1p = vertex2p; + } + vertex2p++; + if (c > maxy) + maxy = c; + if (c == x1) + continue; + if (dx1 > 0) + { + if (x2 < 0) + x2 = c; + else + dx2 = dx1 = (c - x1) >> 31; + } + else + if ((c - x1) >> 31 != dx1) + { + dx1 = ~dx1; + yFlip++; + } + x1 = c; + } + x1 = (x2 - c) >> 31; + if (x1 != dx1) + yFlip++; + if (x1 != dx2) + yFlip++; + if (yFlip != 2) + { + miFillPolygon (pDrawable, pGC, shape, mode, countInit, ptsIn); + return; + } + } + if (y == maxy) + return; + + _s3SetSolidFill(s3,pGC->fgPixel,pGC->alu,pGC->planemask); + _s3SetClip(s3,extents); + + vertex2p = vertex1p; + vertex2 = vertex1 = *vertex2p++; + if (vertex2p == endp) + vertex2p = (int *) ptsIn; +#define Setup(c,x,vertex,dx,dy,e,sign,step) {\ + x = intToX(vertex); \ + if (dy = intToY(c) - y) { \ + dx = intToX(c) - x; \ + step = 0; \ + if (dx >= 0) \ + { \ + e = 0; \ + sign = 1; \ + if (dx >= dy) {\ + step = dx / dy; \ + dx = dx % dy; \ + } \ + } \ + else \ + { \ + e = 1 - dy; \ + sign = -1; \ + dx = -dx; \ + if (dx >= dy) { \ + step = - (dx / dy); \ + dx = dx % dy; \ + } \ + } \ + } \ + x += sx; \ + vertex = c; \ +} + +#define Step(x,dx,dy,e,sign,step) {\ + x += step; \ + if ((e += dx) > 0) \ + { \ + x += sign; \ + e -= dy; \ + } \ +} + sy += y; + DRAW_DEBUG ((DEBUG_POLYGON, "Starting polygon at %d", sy)); + for (;;) + { + DRAW_DEBUG ((DEBUG_POLYGON, "vertex1 0x%x vertex2 0x%x y %d vy1 %d vy2 %d", + vertex1, vertex2, + y, intToY(vertex1), intToY (vertex2))); + if (y == intToY(vertex1)) + { + DRAW_DEBUG ((DEBUG_POLYGON, "Find next -- vertext")); + do + { + if (vertex1p == (int *) ptsIn) + vertex1p = endp; + c = *--vertex1p; + Setup (c,x1,vertex1,dx1,dy1,e1,sign1,step1); + DRAW_DEBUG ((DEBUG_POLYGON, "-- vertex 0x%x y %d", + vertex1, intToY(vertex1))); + } while (y >= intToY(vertex1)); + h = dy1; + } + else + { + Step(x1,dx1,dy1,e1,sign1,step1) + h = intToY(vertex1) - y; + } + if (y == intToY(vertex2)) + { + DRAW_DEBUG ((DEBUG_POLYGON, "Find next ++ vertext")); + do + { + c = *vertex2p++; + if (vertex2p == endp) + vertex2p = (int *) ptsIn; + Setup (c,x2,vertex2,dx2,dy2,e2,sign2,step2) + DRAW_DEBUG ((DEBUG_POLYGON, "++ vertex 0x%x y %d", + vertex1, intToY(vertex1))); + } while (y >= intToY(vertex2)); + if (dy2 < h) + h = dy2; + } + else + { + Step(x2,dx2,dy2,e2,sign2,step2) + if ((c = (intToY(vertex2) - y)) < h) + h = c; + } + DRAW_DEBUG ((DEBUG_POLYGON, "This band %d", h)); + /* fill spans for this segment */ + for (;;) + { + nmiddle = x2 - x1; + DRAW_DEBUG ((DEBUG_POLYGON, "This span %d->%d", x1, x2)); + if (nmiddle) + { + l = x1; + if (nmiddle < 0) + { + nmiddle = -nmiddle; + l = x2; + } + _s3SolidRect(s3,l,sy,nmiddle,1); + } + y++; + sy++; + if (!--h) + break; + Step(x1,dx1,dy1,e1,sign1,step1) + Step(x2,dx2,dy2,e2,sign2,step2) + } + if (y == maxy) + break; + } + _s3ResetClip (s3, pDrawable->pScreen); + _s3WaitIdleEmpty(s3); +} + +void +s3PolyGlyphBltClipped (DrawablePtr pDrawable, + GCPtr pGC, + int x, int y, + unsigned int nglyph, + CharInfoPtr *ppciInit, + pointer pglyphBase) +{ + SetupS3(pDrawable->pScreen); + int h; + int w; + int xBack, yBack; + int hBack, wBack; + int lw; + FontPtr pfont = pGC->font; + CharInfoPtr pci; + unsigned long *bits; + BoxPtr extents; + BoxRec bbox; + CARD32 b; + CharInfoPtr *ppci; + FbGCPrivPtr fbPriv = fbGetGCPrivate(pGC); + RegionPtr pClip = fbGetCompositeClip(pGC); + BoxPtr pBox; + int nbox; + int x1, y1, x2, y2; + unsigned char alu; + Bool locked; + PixTransDeclare; + + x += pDrawable->x; + y += pDrawable->y; + + if (pglyphBase == (pointer) 1) + { + xBack = x; + yBack = y - FONTASCENT(pGC->font); + wBack = 0; + hBack = FONTASCENT(pGC->font) + FONTDESCENT(pGC->font); + if (hBack) + { + h = nglyph; + ppci = ppciInit; + while (h--) + wBack += (*ppci++)->metrics.characterWidth; + } + if (wBack < 0) + { + xBack = xBack + wBack; + wBack = -wBack; + } + if (hBack < 0) + { + yBack = yBack + hBack; + hBack = -hBack; + } + alu = GXcopy; + } + else + { + wBack = 0; + alu = pGC->alu; + } + + if (wBack) + { + _s3SetSolidFill (s3, pGC->bgPixel, GXcopy, pGC->planemask); + for (nbox = REGION_NUM_RECTS (pClip), + pBox = REGION_RECTS (pClip); + nbox--; + pBox++) + { + x1 = xBack; + x2 = xBack + wBack; + y1 = yBack; + y2 = yBack + hBack; + if (x1 < pBox->x1) x1 = pBox->x1; + if (x2 > pBox->x2) x2 = pBox->x2; + if (y1 < pBox->y1) y1 = pBox->y1; + if (y2 > pBox->y2) y2 = pBox->y2; + if (x1 < x2 && y1 < y2) + { + _s3SolidRect (s3, x1, y1, x2 - x1, y2 - y1); + } + } + } + _s3SetTransparentPlaneBlt (s3, alu, pGC->planemask, pGC->fgPixel); + ppci = ppciInit; + locked = TRUE; + while (nglyph--) + { + pci = *ppci++; + h = pci->metrics.ascent + pci->metrics.descent; + w = pci->metrics.rightSideBearing - pci->metrics.leftSideBearing; + x1 = x + pci->metrics.leftSideBearing; + y1 = y - pci->metrics.ascent; + bbox.x1 = x1; + bbox.y1 = y1; + bbox.x2 = x1 + w; + bbox.y2 = y1 + h; + switch (RECT_IN_REGION(pGC->pScreen, pClip, &bbox)) + { + case rgnIN: + lw = h * ((w + 31) >> 5); + if (lw) + { + if (!locked) + { + _s3SetTransparentPlaneBlt (s3, alu, pGC->planemask, pGC->fgPixel); + locked = TRUE; + } + _s3PlaneBlt(s3, + x + pci->metrics.leftSideBearing, + y - pci->metrics.ascent, + w, h); + bits = (unsigned long *) pci->bits; + PixTransStart (lw); + while (lw--) + { + b = *bits++; + S3InvertBits32 (b); + PixTransStore(b); + } + } + break; + case rgnPART: + if (locked) + { + _s3WaitIdleEmpty(s3); + locked = FALSE; + } + fbPutXYImage (pDrawable, + pClip, + fbPriv->fg, + fbPriv->bg, + fbPriv->pm, + alu, + FALSE, + x1, y1, + w, h, + (FbStip *) pci->bits, + (w + 31) >> 5, + 0); + break; + case rgnOUT: + break; + } + x += pci->metrics.characterWidth; + } + _s3WaitIdleEmpty(s3); +} + +/* + * Blt glyphs using S3 image transfer register, this does both + * poly glyph blt and image glyph blt (when pglyphBase == 1) + */ + +void +s3PolyGlyphBlt (DrawablePtr pDrawable, + GCPtr pGC, + int x, int y, + unsigned int nglyph, + CharInfoPtr *ppciInit, + pointer pglyphBase) +{ + SetupS3(pDrawable->pScreen); + int h; + int w; + int xBack, yBack; + int hBack, wBack; + int lw; + FontPtr pfont = pGC->font; + CharInfoPtr pci; + unsigned long *bits; + BoxPtr extents; + BoxRec bbox; + CARD32 b; + CharInfoPtr *ppci; + unsigned char alu; + PixTransDeclare; + + x += pDrawable->x; + y += pDrawable->y; + + /* compute an approximate (but covering) bounding box */ + ppci = ppciInit; + w = 0; + h = nglyph; + while (h--) + w += (*ppci++)->metrics.characterWidth; + if (w < 0) + { + bbox.x1 = x + w; + bbox.x2 = x; + } + else + { + bbox.x1 = x; + bbox.x2 = x + w; + } + w = FONTMINBOUNDS(pfont,leftSideBearing); + if (w < 0) + bbox.x1 += w; + w = FONTMAXBOUNDS(pfont, rightSideBearing) - FONTMINBOUNDS(pfont, characterWidth); + if (w > 0) + bbox.x2 += w; + bbox.y1 = y - FONTMAXBOUNDS(pfont,ascent); + bbox.y2 = y + FONTMAXBOUNDS(pfont,descent); + + DRAW_DEBUG ((DEBUG_TEXT, "PolyGlyphBlt %d box is %d %d", nglyph, + bbox.x1, bbox.x2)); + switch (RECT_IN_REGION(pGC->pScreen, fbGetCompositeClip(pGC), &bbox)) + { + case rgnIN: + break; + case rgnPART: + s3PolyGlyphBltClipped(pDrawable, pGC, x - pDrawable->x, + y - pDrawable->y, + nglyph, ppciInit, pglyphBase); + case rgnOUT: + return; + } + + if (pglyphBase == (pointer) 1) + { + xBack = x; + yBack = y - FONTASCENT(pGC->font); + wBack = 0; + hBack = FONTASCENT(pGC->font) + FONTDESCENT(pGC->font); + if (hBack) + { + h = nglyph; + ppci = ppciInit; + while (h--) + wBack += (*ppci++)->metrics.characterWidth; + } + if (wBack < 0) + { + xBack = xBack + wBack; + wBack = -wBack; + } + if (hBack < 0) + { + yBack = yBack + hBack; + hBack = -hBack; + } + alu = GXcopy; + } + else + { + wBack = 0; + alu = pGC->alu; + } + + if (wBack) + { + _s3SetSolidFill (s3, pGC->bgPixel, GXcopy, pGC->planemask); + _s3SolidRect (s3, xBack, yBack, wBack, hBack); + } + _s3SetTransparentPlaneBlt (s3, alu, pGC->planemask, pGC->fgPixel); + ppci = ppciInit; + while (nglyph--) + { + pci = *ppci++; + h = pci->metrics.ascent + pci->metrics.descent; + w = pci->metrics.rightSideBearing - pci->metrics.leftSideBearing; + lw = h * ((w + 31) >> 5); + if (lw) + { + _s3PlaneBlt(s3, + x + pci->metrics.leftSideBearing, + y - pci->metrics.ascent, + w, h); + bits = (unsigned long *) pci->bits; + PixTransStart(lw); + while (lw--) + { + b = *bits++; + S3InvertBits32 (b); + PixTransStore(b); + } + } + x += pci->metrics.characterWidth; + } + _s3WaitIdleEmpty(s3); +} + +void +s3ImageGlyphBlt (DrawablePtr pDrawable, + GCPtr pGC, + int x, int y, + unsigned int nglyph, + CharInfoPtr *ppci, + pointer pglyphBase) +{ + s3PolyGlyphBlt (pDrawable, pGC, x, y, nglyph, ppci, (pointer) 1); +} + +/* + * Blt TE fonts using S3 image transfer. Differs from + * above in that it doesn't need to fill a solid rect for + * the background and it can draw multiple characters at a time + */ + +void +s3ImageTEGlyphBlt (DrawablePtr pDrawable, GCPtr pGC, + int xInit, int yInit, + unsigned int nglyph, + CharInfoPtr *ppci, + pointer pglyphBase) +{ + SetupS3(pDrawable->pScreen); + int x, y; + int h, lw, lwTmp; + int w; + FontPtr pfont = pGC->font; + unsigned long *char1, *char2, *char3, *char4; + int widthGlyphs, widthGlyph; + BoxRec bbox; + CARD32 tmp; + PixTransDeclare; + + widthGlyph = FONTMAXBOUNDS(pfont,characterWidth); + if (!widthGlyph) + return; + + h = FONTASCENT(pfont) + FONTDESCENT(pfont); + if (!h) + return; + + DRAW_DEBUG ((DEBUG_TEXT, "ImageTEGlyphBlt chars are %d %d", + widthGlyph, h)); + + x = xInit + FONTMAXBOUNDS(pfont,leftSideBearing) + pDrawable->x; + y = yInit - FONTASCENT(pfont) + pDrawable->y; + + bbox.x1 = x; + bbox.x2 = x + (widthGlyph * nglyph); + bbox.y1 = y; + bbox.y2 = y + h; + + switch (RECT_IN_REGION(pGC->pScreen, fbGetCompositeClip(pGC), &bbox)) + { + case rgnPART: + if (pglyphBase == (pointer) 1) + pglyphBase = 0; + else + pglyphBase = (pointer) 1; + s3PolyGlyphBltClipped(pDrawable, pGC, + xInit, + yInit, + nglyph, ppci, + pglyphBase); + case rgnOUT: + return; + } + + if (pglyphBase == (pointer) 1) + { + _s3SetTransparentPlaneBlt (s3, pGC->alu, pGC->planemask, pGC->fgPixel); + } + else + { + _s3SetOpaquePlaneBlt (s3, GXcopy, pGC->planemask, pGC->fgPixel, pGC->bgPixel); + } + +#define LoopIt(count, w, loadup, fetch) \ + while (nglyph >= count) \ + { \ + nglyph -= count; \ + _s3PlaneBlt (s3, x, y, w, h); \ + x += w; \ + loadup \ + lwTmp = h; \ + PixTransStart(h); \ + while (lwTmp--) { \ + tmp = fetch; \ + S3InvertBits32(tmp); \ + PixTransStore(tmp); \ + } \ + } + + if (widthGlyph <= 8) + { + widthGlyphs = widthGlyph << 2; + LoopIt(4, widthGlyphs, + char1 = (unsigned long *) (*ppci++)->bits; + char2 = (unsigned long *) (*ppci++)->bits; + char3 = (unsigned long *) (*ppci++)->bits; + char4 = (unsigned long *) (*ppci++)->bits;, + (*char1++ | ((*char2++ | ((*char3++ | (*char4++ + << widthGlyph)) + << widthGlyph)) + << widthGlyph))) + } + else if (widthGlyph <= 10) + { + widthGlyphs = (widthGlyph << 1) + widthGlyph; + LoopIt(3, widthGlyphs, + char1 = (unsigned long *) (*ppci++)->bits; + char2 = (unsigned long *) (*ppci++)->bits; + char3 = (unsigned long *) (*ppci++)->bits;, + (*char1++ | ((*char2++ | (*char3++ << widthGlyph)) << widthGlyph))) + } + else if (widthGlyph <= 16) + { + widthGlyphs = widthGlyph << 1; + LoopIt(2, widthGlyphs, + char1 = (unsigned long *) (*ppci++)->bits; + char2 = (unsigned long *) (*ppci++)->bits;, + (*char1++ | (*char2++ << widthGlyph))) + } + lw = h * ((widthGlyph + 31) >> 5); + while (nglyph--) + { + _s3PlaneBlt (s3, x, y, widthGlyph, h); + x += widthGlyph; + char1 = (unsigned long *) (*ppci++)->bits; + lwTmp = lw; + PixTransStart(lw); + while (lwTmp--) + { + tmp = *char1++; + S3InvertBits32(tmp); + PixTransStore(tmp); + } + } + _s3WaitIdleEmpty (s3); +} + +void +s3PolyTEGlyphBlt (DrawablePtr pDrawable, GCPtr pGC, + int x, int y, + unsigned int nglyph, CharInfoPtr *ppci, + pointer pglyphBase) +{ + s3ImageTEGlyphBlt (pDrawable, pGC, x, y, nglyph, ppci, (pointer) 1); +} + +#define _s3ClipLine(s3,cmd,e1,e2,e,len) {\ + DRAW_DEBUG ((DEBUG_RENDER, "clip line 0x%x 0x%x 0x%x 0x%x 0x%x", cmd,e1,e2,e,len)); \ + _s3CmdWait(s3); \ + _s3SetPcnt (s3, (len), 0); \ + _s3SetStep (s3, e2, e1); \ + _s3SetErr (s3, e); \ + _s3SetCmd (s3, CMD_LINE | (cmd) | DRAW | WRTDATA); \ +} + +void +_s3Segment (DrawablePtr pDrawable, + GCPtr pGC, + int x1, + int y1, + int x2, + int y2, + Bool drawLast) +{ + SetupS3(pDrawable->pScreen); + FbGCPrivPtr pPriv = fbGetGCPrivate(pGC); + RegionPtr pClip = fbGetCompositeClip(pGC); + BoxPtr pBox; + int nBox; + int adx; /* abs values of dx and dy */ + int ady; + int signdx; /* sign of dx and dy */ + int signdy; + int e, e1, e2; /* bresenham error and increments */ + int len; /* length of segment */ + int axis; /* major axis */ + int octant; + int cmd; + unsigned int bias = miGetZeroLineBias(pDrawable->pScreen); + unsigned int oc1; /* outcode of point 1 */ + unsigned int oc2; /* outcode of point 2 */ + + nBox = REGION_NUM_RECTS (pClip); + pBox = REGION_RECTS (pClip); + CalcLineDeltas(x1, y1, x2, y2, adx, ady, signdx, signdy, + 1, 1, octant); + + cmd = LASTPIX; + + if (signdx > 0) + cmd |= INC_X; + if (signdy > 0) + cmd |= INC_Y; + + if (adx > ady) + { + axis = X_AXIS; + e1 = ady << 1; + e2 = e1 - (adx << 1); + e = e1 - adx; + len = adx; + } + else + { + cmd |= YMAJAXIS; + axis = Y_AXIS; + e1 = adx << 1; + e2 = e1 - (ady << 1); + e = e1 - ady; + SetYMajorOctant(octant); + len = ady; + } + + FIXUP_ERROR (e, octant, bias); + + /* we have bresenham parameters and two points. + all we have to do now is clip and draw. + */ + + if (drawLast) + len++; + while(nBox--) + { + oc1 = 0; + oc2 = 0; + OUTCODES(oc1, x1, y1, pBox); + OUTCODES(oc2, x2, y2, pBox); + if ((oc1 | oc2) == 0) + { + _s3SetCur (s3, x1, y1); + _s3ClipLine (s3, cmd, e1, e2, e, len); + break; + } + else if (oc1 & oc2) + { + pBox++; + } + else + { + int new_x1 = x1, new_y1 = y1, new_x2 = x2, new_y2 = y2; + int clip1 = 0, clip2 = 0; + int clipdx, clipdy; + int err; + + if (miZeroClipLine(pBox->x1, pBox->y1, pBox->x2-1, + pBox->y2-1, + &new_x1, &new_y1, &new_x2, &new_y2, + adx, ady, &clip1, &clip2, + octant, bias, oc1, oc2) == -1) + { + pBox++; + continue; + } + + if (axis == X_AXIS) + len = abs(new_x2 - new_x1); + else + len = abs(new_y2 - new_y1); + if (clip2 != 0 || drawLast) + len++; + if (len) + { + /* unwind bresenham error term to first point */ + err = e; + if (clip1) + { + clipdx = abs(new_x1 - x1); + clipdy = abs(new_y1 - y1); + if (axis == X_AXIS) + err += (e2 - e1) * clipdy + e1 * clipdx; + else + err += (e2 - e1) * clipdx + e1 * clipdy; + } + _s3SetCur (s3, new_x1, new_y1); + _s3ClipLine (s3, cmd, e1, e2, err, len); + } + pBox++; + } + } /* while (nBox--) */ +} + +void +s3Polylines (DrawablePtr pDrawable, GCPtr pGC, + int mode, int npt, DDXPointPtr ppt) +{ + SetupS3(pDrawable->pScreen); + int x, y, nx, ny; + int ox = pDrawable->x, oy = pDrawable->y; + + if (!npt) + return; + + _s3SetSolidFill (s3, pGC->fgPixel, pGC->alu, pGC->planemask); + x = ppt->x + ox; + y = ppt->y + oy; + while (--npt) + { + ++ppt; + if (mode == CoordModePrevious) + { + nx = x + ppt->x; + ny = y + ppt->y; + } + else + { + nx = ppt->x + ox; + ny = ppt->y + oy; + } + _s3Segment (pDrawable, pGC, x, y, nx, ny, + npt == 1 && pGC->capStyle != CapNotLast); + x = nx; + y = ny; + } + _s3WaitIdleEmpty(s3); +} + +void +s3PolySegment (DrawablePtr pDrawable, GCPtr pGC, + int nsegInit, xSegment *pSegInit) +{ + SetupS3(pDrawable->pScreen); + int x, y; + int ox = pDrawable->x, oy = pDrawable->y; + RegionPtr pClip = fbGetCompositeClip (pGC); + BoxPtr pBox; + int nbox; + int nseg; + xSegment *pSeg; + int dx, dy; + int maj, min, len, inc; + int t; + CARD32 cmd; + CARD32 init_cmd; + Bool drawLast; + + drawLast = pGC->capStyle != CapNotLast; + _s3SetSolidFill (s3, pGC->fgPixel, pGC->alu, pGC->planemask); + + for (nseg = nsegInit, pSeg = pSegInit; nseg--; pSeg++) + { + _s3Segment (pDrawable, pGC, pSeg->x1 + ox, pSeg->y1 + oy, + pSeg->x2 + ox, pSeg->y2 + oy, drawLast); + + } + _s3WaitIdleEmpty(s3); +} + +/* + * Check to see if a pattern can be painted with the S3 + */ + +#define _s3CheckPatternSize(s) ((s) <= S3_TILE_SIZE && ((s) & ((s) - 1)) == 0) +#define s3CheckPattern(w,h) (_s3CheckPatternSize(w) && _s3CheckPatternSize(h)) + +Bool +s3AllocPattern (ScreenPtr pScreen, + PixmapPtr pPixmap, + int xorg, int yorg, + int fillStyle, Pixel fg, Pixel bg, + s3PatternPtr *ppPattern) +{ + KdScreenPriv(pScreen); + s3ScreenInfo(pScreenPriv); + s3PatternPtr pPattern; + + if (s3s->patterns.cache && fillStyle != FillSolid && + s3CheckPattern (pPixmap->drawable.width, pPixmap->drawable.height)) + { + if (!(pPattern = *ppPattern)) + { + pPattern = (s3PatternPtr) xalloc (sizeof (s3PatternRec)); + if (!pPattern) + return FALSE; + *ppPattern = pPattern; + } + + pPattern->cache = 0; + pPattern->id = 0; + pPattern->pPixmap = pPixmap; + pPattern->fillStyle = fillStyle; + pPattern->xrot = (-xorg) & (S3_TILE_SIZE-1); + pPattern->yrot = (-yorg) & (S3_TILE_SIZE-1); + pPattern->fore = fg; + pPattern->back = bg; + return TRUE; + } + else + { + if (*ppPattern) + { + xfree (*ppPattern); + *ppPattern = 0; + } + return FALSE; + } +} + +void +s3CheckGCFill (GCPtr pGC) +{ + s3PrivGCPtr s3Priv = s3GetGCPrivate (pGC); + PixmapPtr pPixmap; + + switch (pGC->fillStyle) { + case FillSolid: + pPixmap = 0; + break; + case FillOpaqueStippled: + case FillStippled: + pPixmap = pGC->stipple; + break; + case FillTiled: + pPixmap = pGC->tile.pixmap; + break; + } + s3AllocPattern (pGC->pScreen, + pPixmap, + pGC->patOrg.x + pGC->lastWinOrg.x, + pGC->patOrg.y + pGC->lastWinOrg.y, + pGC->fillStyle, pGC->fgPixel, pGC->bgPixel, + &s3Priv->pPattern); +} + +void +s3MoveGCFill (GCPtr pGC) +{ + s3PrivGCPtr s3Priv = s3GetGCPrivate (pGC); + int xorg, yorg; + s3PatternPtr pPattern; + + if (pPattern = s3Priv->pPattern) + { + /* + * Reset origin + */ + xorg = pGC->patOrg.x + pGC->lastWinOrg.x; + yorg = pGC->patOrg.y + pGC->lastWinOrg.y; + pPattern->xrot = (-xorg) & (S3_TILE_SIZE - 1); + pPattern->yrot = (-yorg) & (S3_TILE_SIZE - 1); + /* + * Invalidate cache entry + */ + pPattern->id = 0; + pPattern->cache = 0; + } +} + +/* + * S3 Patterns. These are always full-depth images, stored in off-screen + * memory. + */ + +Pixel +s3FetchPatternPixel (s3PatternPtr pPattern, int x, int y) +{ + CARD8 *src; + CARD16 *src16; + CARD32 *src32; + PixmapPtr pPixmap = pPattern->pPixmap; + + x = (x + pPattern->xrot) % pPixmap->drawable.width; + y = (y + pPattern->yrot) % pPixmap->drawable.height; + src = (CARD8 *) pPixmap->devPrivate.ptr + y * pPixmap->devKind; + switch (pPixmap->drawable.bitsPerPixel) { + case 1: + return (src[x>>3] >> (x & 7)) & 1 ? 0xffffffff : 0x00; + case 4: + if (x & 1) + return src[x>>1] >> 4; + else + return src[x>>1] & 0xf; + case 8: + return src[x]; + case 16: + src16 = (CARD16 *) src; + return src16[x]; + case 32: + src32 = (CARD32 *) src; + return src32[x]; + } +} + +/* + * Place pattern image on screen; done with S3 locked + */ +void +_s3PutPattern (ScreenPtr pScreen, s3PatternPtr pPattern) +{ + SetupS3(pScreen); + int x, y; + CARD8 *dstLine, *dst8; + CARD16 *dst16; + CARD32 *dst32; + S3PatternCache *cache = pPattern->cache; + + DRAW_DEBUG ((DEBUG_PATTERN, "_s3PutPattern 0x%x id %d to %d %d", + pPattern, pPattern->id, cache->x, cache->y)); + + dstLine = (pScreenPriv->screen->frameBuffer + + cache->y * pScreenPriv->screen->byteStride + + cache->x * pScreenPriv->bytesPerPixel); + + for (y = 0; y < S3_TILE_SIZE; y++) + { + switch (pScreenPriv->screen->bitsPerPixel) { + case 8: + dst8 = dstLine; + for (x = 0; x < S3_TILE_SIZE; x++) + *dst8++ = s3FetchPatternPixel (pPattern, x, y); + DRAW_DEBUG ((DEBUG_PATTERN, "%c%c%c%c%c%c%c%c", + dstLine[0] ? 'X' : ' ', + dstLine[1] ? 'X' : ' ', + dstLine[2] ? 'X' : ' ', + dstLine[3] ? 'X' : ' ', + dstLine[4] ? 'X' : ' ', + dstLine[5] ? 'X' : ' ', + dstLine[6] ? 'X' : ' ', + dstLine[7] ? 'X' : ' ')); + break; + case 16: + dst16 = (CARD16 *) dstLine; + for (x = 0; x < S3_TILE_SIZE; x++) + *dst16++ = s3FetchPatternPixel (pPattern, x, y); + break; + case 32: + dst32 = (CARD32 *) dstLine; + for (x = 0; x < S3_TILE_SIZE; x++) + *dst32++ = s3FetchPatternPixel (pPattern, x, y); + break; + } + dstLine += pScreenPriv->screen->byteStride; + } +} + +/* + * Load a stipple to off-screen memory; done with S3 locked + */ +void +_s3LoadPattern (ScreenPtr pScreen, s3PatternPtr pPattern) +{ + SetupS3(pScreen); + s3ScreenInfo(pScreenPriv); + S3PatternCache *cache; + + DRAW_DEBUG((DEBUG_PATTERN, + "s3LoadPattern 0x%x id %d cache 0x%x cacheid %d", + pPattern, pPattern->id, pPattern->cache, + pPattern->cache ? pPattern->cache->id : -1)); + /* + * Check to see if its still loaded + */ + cache = pPattern->cache; + if (cache && cache->id == pPattern->id) + return; + /* + * Lame replacement strategy; assume we'll have plenty of room. + */ + cache = &s3s->patterns.cache[s3s->patterns.last_used]; + if (++s3s->patterns.last_used == s3s->patterns.ncache) + s3s->patterns.last_used = 0; + cache->id = ++s3s->patterns.last_id; + pPattern->id = cache->id; + pPattern->cache = cache; + _s3PutPattern (pScreen, pPattern); +} + +void +s3DestroyGC (GCPtr pGC) +{ + s3PrivGCPtr s3Priv = s3GetGCPrivate (pGC); + + if (s3Priv->pPattern) + xfree (s3Priv->pPattern); + miDestroyGC (pGC); +} + +GCFuncs s3GCFuncs = { + s3ValidateGC, + miChangeGC, + miCopyGC, + s3DestroyGC, + miChangeClip, + miDestroyClip, + miCopyClip +}; + +int +s3CreateGC (GCPtr pGC) +{ + s3PrivGCPtr s3Priv; + + if (!fbCreateGC (pGC)) + return FALSE; + + if (pGC->depth != 1) + pGC->funcs = &s3GCFuncs; + + s3Priv = s3GetGCPrivate(pGC); + s3Priv->type = DRAWABLE_PIXMAP; + s3Priv->pPattern = 0; + + return TRUE; +} + +Bool +s3CreateWindow (WindowPtr pWin) +{ + if (!KdCreateWindow (pWin)) + return FALSE; + pWin->devPrivates[s3WindowPrivateIndex].ptr = 0; + return TRUE; +} + +Bool +s3DestroyWindow (WindowPtr pWin) +{ + s3PatternPtr pPattern; + if (pPattern = s3GetWindowPrivate(pWin)) + xfree (pPattern); + return fbDestroyWindow (pWin); +} + +Bool +s3ChangeWindowAttributes (WindowPtr pWin, Mask mask) +{ + Bool ret; + s3PatternPtr pPattern; + PixmapPtr pPixmap; + int fillStyle; + + ret = fbChangeWindowAttributes (pWin, mask); + if (mask & CWBackPixmap) + { + if (pWin->backgroundState == BackgroundPixmap) + { + pPixmap = pWin->background.pixmap; + fillStyle = FillTiled; + } + else + { + pPixmap = 0; + fillStyle = FillSolid; + } + pPattern = s3GetWindowPrivate(pWin); + s3AllocPattern (pWin->drawable.pScreen, pPixmap, + pWin->drawable.x, pWin->drawable.y, + fillStyle, 0, 0, &pPattern); + DRAW_DEBUG ((DEBUG_PAINT_WINDOW, "Background pattern 0x%x pixmap 0x%x style %d", + pPattern, pPixmap, fillStyle)); + s3SetWindowPrivate (pWin, pPattern); + } + return ret; +} + +void +s3PaintWindow(WindowPtr pWin, RegionPtr pRegion, int what) +{ + KdScreenPriv(pWin->drawable.pScreen); + s3PatternPtr pPattern; + + DRAW_DEBUG ((DEBUG_PAINT_WINDOW, "s3PaintWindow 0x%x extents %d %d %d %d n %d", + pWin->drawable.id, + pRegion->extents.x1, pRegion->extents.y1, + pRegion->extents.x2, pRegion->extents.y2, + REGION_NUM_RECTS(pRegion))); + if (!REGION_NUM_RECTS(pRegion)) + return; + switch (what) { + case PW_BACKGROUND: + switch (pWin->backgroundState) { + case None: + return; + case ParentRelative: + do { + pWin = pWin->parent; + } while (pWin->backgroundState == ParentRelative); + (*pWin->drawable.pScreen->PaintWindowBackground)(pWin, pRegion, + what); + return; + case BackgroundPixmap: + pPattern = s3GetWindowPrivate(pWin); + if (pPattern) + { + s3FillBoxPattern ((DrawablePtr)pWin, + (int)REGION_NUM_RECTS(pRegion), + REGION_RECTS(pRegion), + GXcopy, ~0, pPattern); + return; + } + break; + case BackgroundPixel: + s3FillBoxSolid((DrawablePtr)pWin, + (int)REGION_NUM_RECTS(pRegion), + REGION_RECTS(pRegion), + pWin->background.pixel, GXcopy, ~0); + return; + } + break; + case PW_BORDER: + if (pWin->borderIsPixel) + { + s3FillBoxSolid((DrawablePtr)pWin, + (int)REGION_NUM_RECTS(pRegion), + REGION_RECTS(pRegion), + pWin->border.pixel, GXcopy, ~0); + return; + } + break; + } + fbPaintWindow (pWin, pRegion, what); +} + +void +s3CopyWindowProc (DrawablePtr pSrcDrawable, + DrawablePtr pDstDrawable, + GCPtr pGC, + BoxPtr pbox, + int nbox, + int dx, + int dy, + Bool reverse, + Bool upsidedown, + Pixel bitplane, + void *closure) +{ + SetupS3(pDstDrawable->pScreen); + int srcX, srcY, dstX, dstY; + int w, h; + int flags; + + _s3SetBlt(s3,GXcopy,~0); + while (nbox--) + { + w = pbox->x2 - pbox->x1; + h = pbox->y2 - pbox->y1; + flags = 0; + if (reverse) + { + dstX = pbox->x2 - 1; + } + else + { + dstX = pbox->x1; + flags |= INC_X; + } + srcX = dstX + dx; + + if (upsidedown) + { + dstY = pbox->y2 - 1; + } + else + { + dstY = pbox->y1; + flags |= INC_Y; + } + srcY = dstY + dy; + + _s3Blt (s3, srcX, srcY, dstX, dstY, w, h, flags); + pbox++; + } + _s3WaitIdleEmpty(s3); +} + +void +s3CopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + KdScreenPriv(pScreen); + RegionRec rgnDst; + int dx, dy; + WindowPtr pwinRoot; + + pwinRoot = WindowTable[pWin->drawable.pScreen->myNum]; + + dx = ptOldOrg.x - pWin->drawable.x; + dy = ptOldOrg.y - pWin->drawable.y; + REGION_TRANSLATE(pWin->drawable.pScreen, prgnSrc, -dx, -dy); + + REGION_INIT (pWin->drawable.pScreen, &rgnDst, NullBox, 0); + + REGION_INTERSECT(pWin->drawable.pScreen, &rgnDst, &pWin->borderClip, prgnSrc); + + fbCopyRegion ((DrawablePtr)pwinRoot, (DrawablePtr)pwinRoot, + 0, + &rgnDst, dx, dy, s3CopyWindowProc, 0, 0); + + REGION_UNINIT(pWin->drawable.pScreen, &rgnDst); +} + +Bool +s3DrawInit (ScreenPtr pScreen) +{ + KdScreenPriv(pScreen); + s3ScreenInfo(pScreenPriv); + int ncache_w, ncache_h, ncache; + int px, py; + S3PatternCache *cache; + + switch (pScreenPriv->screen->bitsPerPixel) { + case 8: + case 16: + case 32: + break; + default: + return FALSE; + } + if (serverGeneration != s3Generation) + { + s3GCPrivateIndex = AllocateGCPrivateIndex (); + s3WindowPrivateIndex = AllocateWindowPrivateIndex (); + s3Generation = serverGeneration; + } + if (!AllocateWindowPrivate(pScreen, s3WindowPrivateIndex, 0)) + return FALSE; + if (!AllocateGCPrivate(pScreen, s3GCPrivateIndex, sizeof (s3PrivGCRec))) + return FALSE; + /* + * Replace various fb screen functions + */ + pScreen->CreateGC = s3CreateGC; + pScreen->CreateWindow = s3CreateWindow; + pScreen->ChangeWindowAttributes = s3ChangeWindowAttributes; + pScreen->DestroyWindow = s3DestroyWindow; + pScreen->PaintWindowBackground = s3PaintWindow; + pScreen->PaintWindowBorder = s3PaintWindow; + pScreen->CopyWindow = s3CopyWindow; + + /* + * Initialize patterns + */ + ncache_w = s3s->offscreen_width / S3_TILE_SIZE; + ncache_h = s3s->offscreen_height / S3_TILE_SIZE; + ncache = ncache_w * ncache_h; + DRAW_DEBUG ((DEBUG_S3INIT, "ncache_w %d ncache_h %d ncache %d", + ncache_w, ncache_h, ncache)); + s3s->patterns.cache = (S3PatternCache *) xalloc (ncache * sizeof (S3PatternCache)); + if (s3s->patterns.cache) + { + DRAW_DEBUG ((DEBUG_S3INIT, "Have pattern cache")); + s3s->patterns.ncache = ncache; + s3s->patterns.last_used = 0; + s3s->patterns.last_id = 0; + cache = s3s->patterns.cache; + for (py = 0; py < ncache_h; py++) + for (px = 0; px < ncache_w; px++) + { + cache->id = 0; + cache->x = s3s->offscreen_x + px * S3_TILE_SIZE; + cache->y = s3s->offscreen_y + py * S3_TILE_SIZE; + cache++; + } + } + return TRUE; +} + +void +s3DrawEnable (ScreenPtr pScreen) +{ + SetupS3(pScreen); + s3ScreenInfo(pScreenPriv); + int c; + + /* + * Flush pattern cache + */ + for (c = 0; c < s3s->patterns.ncache; c++) + s3s->patterns.cache[c].id = 0; + + _s3WaitIdleEmpty(s3); + _s3SetScissorsTl(s3, 0, 0); + _s3SetScissorsBr(s3, pScreenPriv->screen->width - 1, pScreenPriv->screen->height - 1); + _s3SetSolidFill(s3, pScreen->blackPixel, GXcopy, ~0); + _s3SolidRect (s3, 0, 0, pScreenPriv->screen->width, pScreenPriv->screen->height); + _s3WaitIdleEmpty (s3); +} + +void +s3DrawDisable (ScreenPtr pScreen) +{ +} + +void +s3DrawFini (ScreenPtr pScreen) +{ + SetupS3(pScreen); + s3ScreenInfo(pScreenPriv); + + if (s3s->patterns.cache) + { + xfree (s3s->patterns.cache); + s3s->patterns.cache = 0; + s3s->patterns.ncache = 0; + } +} -- cgit v1.2.3