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Diffstat (limited to 'xorg-server/cfb/cfbgc.c')
| -rw-r--r-- | xorg-server/cfb/cfbgc.c | 799 |
1 files changed, 799 insertions, 0 deletions
diff --git a/xorg-server/cfb/cfbgc.c b/xorg-server/cfb/cfbgc.c new file mode 100644 index 000000000..a74c28c15 --- /dev/null +++ b/xorg-server/cfb/cfbgc.c @@ -0,0 +1,799 @@ +/*********************************************************** + +Copyright 1987, 1998 The Open Group + +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. + +The above copyright notice and this permission notice 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 +OPEN GROUP 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. + +Except as contained in this notice, the name of The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + + +Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts. + + All Rights Reserved + +Permission to use, copy, modify, and distribute this software and its +documentation for any purpose and without fee is hereby granted, +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 Digital not be +used in advertising or publicity pertaining to distribution of the +software without specific, written prior permission. + +DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING +ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL +DIGITAL 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. + +******************************************************************/ + + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include <stdlib.h> + +#include <X11/X.h> +#include <X11/Xmd.h> +#include <X11/Xproto.h> +#include "cfb.h" +#include <X11/fonts/fontstruct.h> +#include "dixfontstr.h" +#include "gcstruct.h" +#include "windowstr.h" +#include "pixmapstr.h" +#include "scrnintstr.h" +#include "region.h" + +#include "mistruct.h" +#include "mibstore.h" +#include "migc.h" + +#include "cfbmskbits.h" +#include "cfb8bit.h" + +#if PSZ == 8 +# define useTEGlyphBlt cfbTEGlyphBlt8 +#else +# ifdef WriteBitGroup +# define useTEGlyphBlt cfbImageGlyphBlt8 +# else +# define useTEGlyphBlt cfbTEGlyphBlt +# endif +#endif + +#ifdef WriteBitGroup +# define useImageGlyphBlt cfbImageGlyphBlt8 +# define usePolyGlyphBlt cfbPolyGlyphBlt8 +#else +# define useImageGlyphBlt miImageGlyphBlt +# define usePolyGlyphBlt miPolyGlyphBlt +#endif + +static void cfbUnPushPixels (GCPtr, PixmapPtr, DrawablePtr, int, int, int, int); + +#ifdef FOUR_BIT_CODE +# define usePushPixels cfbPushPixels8 +#else +# define usePushPixels cfbUnPushPixels +#endif + +#ifdef PIXEL_ADDR +# define ZeroPolyArc cfbZeroPolyArcSS8Copy +#else +# define ZeroPolyArc miZeroPolyArc +#endif + +GCFuncs cfbGCFuncs = { + cfbValidateGC, + miChangeGC, + miCopyGC, + miDestroyGC, + miChangeClip, + miDestroyClip, + miCopyClip, +}; + +GCOps cfbTEOps1Rect = { + cfbSolidSpansCopy, + cfbSetSpans, + cfbPutImage, + cfbCopyArea, + cfbCopyPlane, + cfbPolyPoint, +#ifdef PIXEL_ADDR + cfb8LineSS1Rect, + cfb8SegmentSS1Rect, +#else + cfbLineSS, + cfbSegmentSS, +#endif + miPolyRectangle, + ZeroPolyArc, + cfbFillPoly1RectCopy, + cfbPolyFillRect, + cfbPolyFillArcSolidCopy, + miPolyText8, + miPolyText16, + miImageText8, + miImageText16, + useTEGlyphBlt, + usePolyGlyphBlt, + usePushPixels +}; + +GCOps cfbNonTEOps1Rect = { + cfbSolidSpansCopy, + cfbSetSpans, + cfbPutImage, + cfbCopyArea, + cfbCopyPlane, + cfbPolyPoint, +#ifdef PIXEL_ADDR + cfb8LineSS1Rect, + cfb8SegmentSS1Rect, +#else + cfbLineSS, + cfbSegmentSS, +#endif + miPolyRectangle, + ZeroPolyArc, + cfbFillPoly1RectCopy, + cfbPolyFillRect, + cfbPolyFillArcSolidCopy, + miPolyText8, + miPolyText16, + miImageText8, + miImageText16, + useImageGlyphBlt, + usePolyGlyphBlt, + usePushPixels +}; + +GCOps cfbTEOps = { + cfbSolidSpansCopy, + cfbSetSpans, + cfbPutImage, + cfbCopyArea, + cfbCopyPlane, + cfbPolyPoint, + cfbLineSS, + cfbSegmentSS, + miPolyRectangle, + ZeroPolyArc, + miFillPolygon, + cfbPolyFillRect, + cfbPolyFillArcSolidCopy, + miPolyText8, + miPolyText16, + miImageText8, + miImageText16, + useTEGlyphBlt, + usePolyGlyphBlt, + usePushPixels +}; + +GCOps cfbNonTEOps = { + cfbSolidSpansCopy, + cfbSetSpans, + cfbPutImage, + cfbCopyArea, + cfbCopyPlane, + cfbPolyPoint, + cfbLineSS, + cfbSegmentSS, + miPolyRectangle, +#ifdef PIXEL_ADDR + cfbZeroPolyArcSS8Copy, +#else + miZeroPolyArc, +#endif + miFillPolygon, + cfbPolyFillRect, + cfbPolyFillArcSolidCopy, + miPolyText8, + miPolyText16, + miImageText8, + miImageText16, + useImageGlyphBlt, + usePolyGlyphBlt, + usePushPixels +}; + +GCOps * +cfbMatchCommon (pGC, devPriv) + GCPtr pGC; + cfbPrivGCPtr devPriv; +{ + if (pGC->lineWidth != 0) + return 0; + if (pGC->lineStyle != LineSolid) + return 0; + if (pGC->fillStyle != FillSolid) + return 0; + if (devPriv->rop != GXcopy) + return 0; + if (pGC->font && + FONTMAXBOUNDS(pGC->font,rightSideBearing) - + FONTMINBOUNDS(pGC->font,leftSideBearing) <= 32 && + FONTMINBOUNDS(pGC->font,characterWidth) >= 0) + { + if (TERMINALFONT(pGC->font) +#ifdef FOUR_BIT_CODE + && FONTMAXBOUNDS(pGC->font,characterWidth) >= PGSZB +#endif + ) +#ifdef NO_ONE_RECT + return &cfbTEOps1Rect; +#else + if (devPriv->oneRect) + return &cfbTEOps1Rect; + else + return &cfbTEOps; +#endif + else +#ifdef NO_ONE_RECT + return &cfbNonTEOps1Rect; +#else + if (devPriv->oneRect) + return &cfbNonTEOps1Rect; + else + return &cfbNonTEOps; +#endif + } + return 0; +} + +Bool +cfbCreateGC(pGC) + register GCPtr pGC; +{ + cfbPrivGC *pPriv; + + if (PixmapWidthPaddingInfo[pGC->depth].padPixelsLog2 == LOG2_BITMAP_PAD) + return (mfbCreateGC(pGC)); + pGC->clientClip = NULL; + pGC->clientClipType = CT_NONE; + + if (cfbNonTEOps.PushPixels == cfbUnPushPixels) + { + cfbTEOps1Rect.PushPixels = mfbPushPixelsWeak(); + cfbNonTEOps1Rect.PushPixels = mfbPushPixelsWeak(); + cfbTEOps.PushPixels = mfbPushPixelsWeak(); + cfbNonTEOps.PushPixels = mfbPushPixelsWeak(); + } + + /* + * some of the output primitives aren't really necessary, since they + * will be filled in ValidateGC because of dix/CreateGC() setting all + * the change bits. Others are necessary because although they depend + * on being a color frame buffer, they don't change + */ + + pGC->ops = &cfbNonTEOps; + pGC->funcs = &cfbGCFuncs; + + /* cfb wants to translate before scan conversion */ + pGC->miTranslate = 1; + + pPriv = cfbGetGCPrivate(pGC); + pPriv->rop = pGC->alu; + pPriv->oneRect = FALSE; + pGC->fExpose = TRUE; + pGC->freeCompClip = FALSE; + pGC->pRotatedPixmap = (PixmapPtr) NULL; + return TRUE; +} + +/* Clipping conventions + if the drawable is a window + CT_REGION ==> pCompositeClip really is the composite + CT_other ==> pCompositeClip is the window clip region + if the drawable is a pixmap + CT_REGION ==> pCompositeClip is the translated client region + clipped to the pixmap boundary + CT_other ==> pCompositeClip is the pixmap bounding box +*/ + +void +cfbValidateGC(pGC, changes, pDrawable) + register GCPtr pGC; + unsigned long changes; + DrawablePtr pDrawable; +{ + int mask; /* stateChanges */ + int index; /* used for stepping through bitfields */ + int new_rrop; + int new_line, new_text, new_fillspans, new_fillarea; + int new_rotate; + int xrot, yrot; + /* flags for changing the proc vector */ + cfbPrivGCPtr devPriv; + int oneRect; + + new_rotate = pGC->lastWinOrg.x != pDrawable->x || + pGC->lastWinOrg.y != pDrawable->y; + + pGC->lastWinOrg.x = pDrawable->x; + pGC->lastWinOrg.y = pDrawable->y; + devPriv = cfbGetGCPrivate(pGC); + + new_rrop = FALSE; + new_line = FALSE; + new_text = FALSE; + new_fillspans = FALSE; + new_fillarea = FALSE; + + /* + * if the client clip is different or moved OR the subwindowMode has + * changed OR the window's clip has changed since the last validation + * we need to recompute the composite clip + */ + + if ((changes & (GCClipXOrigin|GCClipYOrigin|GCClipMask|GCSubwindowMode)) || + (pDrawable->serialNumber != (pGC->serialNumber & DRAWABLE_SERIAL_BITS)) + ) + { + miComputeCompositeClip (pGC, pDrawable); +#ifdef NO_ONE_RECT + devPriv->oneRect = FALSE; +#else + oneRect = REGION_NUM_RECTS(pGC->pCompositeClip) == 1; + if (oneRect != devPriv->oneRect) + new_line = TRUE; + devPriv->oneRect = oneRect; +#endif + } + + mask = changes; + while (mask) { + index = lowbit (mask); + mask &= ~index; + + /* + * this switch acculmulates a list of which procedures might have + * to change due to changes in the GC. in some cases (e.g. + * changing one 16 bit tile for another) we might not really need + * a change, but the code is being paranoid. this sort of batching + * wins if, for example, the alu and the font have been changed, + * or any other pair of items that both change the same thing. + */ + switch (index) { + case GCFunction: + case GCForeground: + new_rrop = TRUE; + break; + case GCPlaneMask: + new_rrop = TRUE; + new_text = TRUE; + break; + case GCBackground: + break; + case GCLineStyle: + case GCLineWidth: + new_line = TRUE; + break; + case GCJoinStyle: + case GCCapStyle: + break; + case GCFillStyle: + new_text = TRUE; + new_fillspans = TRUE; + new_line = TRUE; + new_fillarea = TRUE; + break; + case GCFillRule: + break; + case GCTile: + new_fillspans = TRUE; + new_fillarea = TRUE; + break; + + case GCStipple: + if (pGC->stipple) + { + int width = pGC->stipple->drawable.width; + PixmapPtr nstipple; + + if ((width <= PGSZ) && !(width & (width - 1)) && + (nstipple = cfbCopyPixmap(pGC->stipple))) + { + cfbPadPixmap(nstipple); + (*pGC->pScreen->DestroyPixmap)(pGC->stipple); + pGC->stipple = nstipple; + } + } + new_fillspans = TRUE; + new_fillarea = TRUE; + break; + + case GCTileStipXOrigin: + new_rotate = TRUE; + break; + + case GCTileStipYOrigin: + new_rotate = TRUE; + break; + + case GCFont: + new_text = TRUE; + break; + case GCSubwindowMode: + break; + case GCGraphicsExposures: + break; + case GCClipXOrigin: + break; + case GCClipYOrigin: + break; + case GCClipMask: + break; + case GCDashOffset: + break; + case GCDashList: + break; + case GCArcMode: + break; + default: + break; + } + } + + /* + * If the drawable has changed, ensure suitable + * entries are in the proc vector. + */ + if (pDrawable->serialNumber != (pGC->serialNumber & (DRAWABLE_SERIAL_BITS))) { + new_fillspans = TRUE; /* deal with FillSpans later */ + } + + if (new_rotate || new_fillspans) + { + Bool new_pix = FALSE; + + xrot = pGC->patOrg.x + pDrawable->x; + yrot = pGC->patOrg.y + pDrawable->y; + + switch (pGC->fillStyle) + { + case FillTiled: + if (!pGC->tileIsPixel) + { + int width = pGC->tile.pixmap->drawable.width * PSZ; + + if ((width <= PGSZ) && !(width & (width - 1))) + { + cfbCopyRotatePixmap(pGC->tile.pixmap, &pGC->pRotatedPixmap, + xrot, yrot); + new_pix = TRUE; + } + } + break; +#ifdef FOUR_BIT_CODE + case FillStippled: + case FillOpaqueStippled: + { + int width = pGC->stipple->drawable.width; + + if ((width <= PGSZ) && !(width & (width - 1))) + { + mfbCopyRotatePixmap(pGC->stipple, &pGC->pRotatedPixmap, + xrot, yrot); + new_pix = TRUE; + } + } + break; +#endif + } + if (!new_pix && pGC->pRotatedPixmap) + { + (*pGC->pScreen->DestroyPixmap)(pGC->pRotatedPixmap); + pGC->pRotatedPixmap = (PixmapPtr) NULL; + } + } + + if (new_rrop) + { + int old_rrop; + + old_rrop = devPriv->rop; + devPriv->rop = cfbReduceRasterOp (pGC->alu, pGC->fgPixel, + pGC->planemask, + &devPriv->and, &devPriv->xor); + if (old_rrop == devPriv->rop) + new_rrop = FALSE; + else + { +#ifdef PIXEL_ADDR + new_line = TRUE; +#endif +#ifdef WriteBitGroup + new_text = TRUE; +#endif + new_fillspans = TRUE; + new_fillarea = TRUE; + } + } + + if (new_rrop || new_fillspans || new_text || new_fillarea || new_line) + { + GCOps *newops; + + if ((newops = cfbMatchCommon (pGC, devPriv))) + { + if (pGC->ops->devPrivate.val) + miDestroyGCOps (pGC->ops); + pGC->ops = newops; + new_rrop = new_line = new_fillspans = new_text = new_fillarea = 0; + } + else + { + if (!pGC->ops->devPrivate.val) + { + pGC->ops = miCreateGCOps (pGC->ops); + pGC->ops->devPrivate.val = 1; + } + } + } + + /* deal with the changes we've collected */ + if (new_line) + { + pGC->ops->FillPolygon = miFillPolygon; +#ifdef NO_ONE_RECT + if (pGC->fillStyle == FillSolid) + { + switch (devPriv->rop) { + case GXcopy: + pGC->ops->FillPolygon = cfbFillPoly1RectCopy; + break; + default: + pGC->ops->FillPolygon = cfbFillPoly1RectGeneral; + break; + } + } +#else + if (devPriv->oneRect && pGC->fillStyle == FillSolid) + { + switch (devPriv->rop) { + case GXcopy: + pGC->ops->FillPolygon = cfbFillPoly1RectCopy; + break; + default: + pGC->ops->FillPolygon = cfbFillPoly1RectGeneral; + break; + } + } +#endif + if (pGC->lineWidth == 0) + { +#ifdef PIXEL_ADDR + if ((pGC->lineStyle == LineSolid) && (pGC->fillStyle == FillSolid)) + { + switch (devPriv->rop) + { + case GXxor: + pGC->ops->PolyArc = cfbZeroPolyArcSS8Xor; + break; + case GXcopy: + pGC->ops->PolyArc = cfbZeroPolyArcSS8Copy; + break; + default: + pGC->ops->PolyArc = cfbZeroPolyArcSS8General; + break; + } + } + else +#endif + pGC->ops->PolyArc = miZeroPolyArc; + } + else + pGC->ops->PolyArc = miPolyArc; + pGC->ops->PolySegment = miPolySegment; + switch (pGC->lineStyle) + { + case LineSolid: + if(pGC->lineWidth == 0) + { + if (pGC->fillStyle == FillSolid) + { +#if defined(PIXEL_ADDR) && !defined(NO_ONE_RECT) + if (devPriv->oneRect && + ((pDrawable->x >= pGC->pScreen->width - 32768) && + (pDrawable->y >= pGC->pScreen->height - 32768))) + { + pGC->ops->Polylines = cfb8LineSS1Rect; + pGC->ops->PolySegment = cfb8SegmentSS1Rect; + } else +#endif +#ifdef NO_ONE_RECT + { + pGC->ops->Polylines = cfb8LineSS1Rect; + pGC->ops->PolySegment = cfb8SegmentSS1Rect; + } +#else + { + pGC->ops->Polylines = cfbLineSS; + pGC->ops->PolySegment = cfbSegmentSS; + } +#endif + } + else + pGC->ops->Polylines = miZeroLine; + } + else + pGC->ops->Polylines = miWideLine; + break; + case LineOnOffDash: + case LineDoubleDash: + if (pGC->lineWidth == 0 && pGC->fillStyle == FillSolid) + { + pGC->ops->Polylines = cfbLineSD; + pGC->ops->PolySegment = cfbSegmentSD; + } else + pGC->ops->Polylines = miWideDash; + break; + } + } + + if (new_text && (pGC->font)) + { + if (FONTMAXBOUNDS(pGC->font,rightSideBearing) - + FONTMINBOUNDS(pGC->font,leftSideBearing) > 32 || + FONTMINBOUNDS(pGC->font,characterWidth) < 0) + { + pGC->ops->PolyGlyphBlt = miPolyGlyphBlt; + pGC->ops->ImageGlyphBlt = miImageGlyphBlt; + } + else + { +#ifdef WriteBitGroup + if (pGC->fillStyle == FillSolid) + { + if (devPriv->rop == GXcopy) + pGC->ops->PolyGlyphBlt = cfbPolyGlyphBlt8; + else +#ifdef FOUR_BIT_CODE + pGC->ops->PolyGlyphBlt = cfbPolyGlyphRop8; +#else + pGC->ops->PolyGlyphBlt = miPolyGlyphBlt; +#endif + } + else +#endif + pGC->ops->PolyGlyphBlt = miPolyGlyphBlt; + /* special case ImageGlyphBlt for terminal emulator fonts */ +#if !defined(WriteBitGroup) || PSZ == 8 + if (TERMINALFONT(pGC->font) && + (pGC->planemask & PMSK) == PMSK +#ifdef FOUR_BIT_CODE + && FONTMAXBOUNDS(pGC->font,characterWidth) >= PGSZB +#endif + ) + { + pGC->ops->ImageGlyphBlt = useTEGlyphBlt; + } + else +#endif + { +#ifdef WriteBitGroup + if (devPriv->rop == GXcopy && + pGC->fillStyle == FillSolid && + (pGC->planemask & PMSK) == PMSK) + pGC->ops->ImageGlyphBlt = cfbImageGlyphBlt8; + else +#endif + pGC->ops->ImageGlyphBlt = miImageGlyphBlt; + } + } + } + + + if (new_fillspans) { + switch (pGC->fillStyle) { + case FillSolid: + switch (devPriv->rop) { + case GXcopy: + pGC->ops->FillSpans = cfbSolidSpansCopy; + break; + case GXxor: + pGC->ops->FillSpans = cfbSolidSpansXor; + break; + default: + pGC->ops->FillSpans = cfbSolidSpansGeneral; + break; + } + break; + case FillTiled: + if (pGC->pRotatedPixmap) + { + if (pGC->alu == GXcopy && (pGC->planemask & PMSK) == PMSK) + pGC->ops->FillSpans = cfbTile32FSCopy; + else + pGC->ops->FillSpans = cfbTile32FSGeneral; + } + else + pGC->ops->FillSpans = cfbUnnaturalTileFS; + break; + case FillStippled: +#ifdef FOUR_BIT_CODE + if (pGC->pRotatedPixmap) + pGC->ops->FillSpans = cfb8Stipple32FS; + else +#endif + pGC->ops->FillSpans = cfbUnnaturalStippleFS; + break; + case FillOpaqueStippled: +#ifdef FOUR_BIT_CODE + if (pGC->pRotatedPixmap) + pGC->ops->FillSpans = cfb8OpaqueStipple32FS; + else +#endif + pGC->ops->FillSpans = cfbUnnaturalStippleFS; + break; + default: + FatalError("cfbValidateGC: illegal fillStyle\n"); + } + } /* end of new_fillspans */ + + if (new_fillarea) { +#ifndef FOUR_BIT_CODE + pGC->ops->PolyFillRect = miPolyFillRect; + if (pGC->fillStyle == FillSolid || pGC->fillStyle == FillTiled) + { + pGC->ops->PolyFillRect = cfbPolyFillRect; + } +#endif +#ifdef FOUR_BIT_CODE + pGC->ops->PushPixels = mfbPushPixelsWeak(); + if (pGC->fillStyle == FillSolid && devPriv->rop == GXcopy) + pGC->ops->PushPixels = cfbPushPixels8; +#endif + pGC->ops->PolyFillArc = miPolyFillArc; + if (pGC->fillStyle == FillSolid) + { + switch (devPriv->rop) + { + case GXcopy: + pGC->ops->PolyFillArc = cfbPolyFillArcSolidCopy; + break; + default: + pGC->ops->PolyFillArc = cfbPolyFillArcSolidGeneral; + break; + } + } + } +} + +/* + * this is never called, it just exists to have its address + * taken in mfbCreateGC. + */ +static void +cfbUnPushPixels (pGC, pBitmap, pDrawable, dx, dy, xOrg, yOrg) + GCPtr pGC; + PixmapPtr pBitmap; + DrawablePtr pDrawable; + int dx, dy, xOrg, yOrg; +{ + return; +} |