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Diffstat (limited to 'hw/kdrive/sis530/sisdraw.c')
| -rw-r--r-- | hw/kdrive/sis530/sisdraw.c | 1656 |
1 files changed, 1656 insertions, 0 deletions
diff --git a/hw/kdrive/sis530/sisdraw.c b/hw/kdrive/sis530/sisdraw.c new file mode 100644 index 000000000..836f54e79 --- /dev/null +++ b/hw/kdrive/sis530/sisdraw.c @@ -0,0 +1,1656 @@ +/* + * $Id$ + * + * Copyright © 1999 Keith Packard + * + * 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 Keith Packard not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Keith Packard makes no + * representations about the suitability of this software for any purpose. It + * is provided "as is" without express or implied warranty. + * + * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL KEITH PACKARD 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. + */ +/* $XFree86: $ */ + +#include "sis.h" +#include "sisdraw.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" + +CARD8 sisPatRop[16] = { + /* GXclear */ 0x00, /* 0 */ + /* GXand */ 0xa0, /* src AND dst */ + /* GXandReverse */ 0x50, /* src AND NOT dst */ + /* GXcopy */ 0xf0, /* src */ + /* GXandInverted*/ 0x0a, /* NOT src AND dst */ + /* GXnoop */ 0xaa, /* dst */ + /* GXxor */ 0x5a, /* src XOR dst */ + /* GXor */ 0xfa, /* src OR dst */ + /* GXnor */ 0x05, /* NOT src AND NOT dst */ + /* GXequiv */ 0xa5, /* NOT src XOR dst */ + /* GXinvert */ 0x55, /* NOT dst */ + /* GXorReverse */ 0xf5, /* src OR NOT dst */ + /* GXcopyInverted*/ 0x0f, /* NOT src */ + /* GXorInverted */ 0xaf, /* NOT src OR dst */ + /* GXnand */ 0x5f, /* NOT src OR NOT dst */ + /* GXset */ 0xff, /* 1 */ +}; + +CARD8 sisBltRop[16] = { + /* GXclear */ 0x00, /* 0 */ + /* GXand */ 0x88, /* src AND dst */ + /* GXandReverse */ 0x44, /* src AND NOT dst */ + /* GXcopy */ 0xcc, /* src */ + /* GXandInverted*/ 0x22, /* NOT src AND dst */ + /* GXnoop */ 0xaa, /* dst */ + /* GXxor */ 0x66, /* src XOR dst */ + /* GXor */ 0xee, /* src OR dst */ + /* GXnor */ 0x11, /* NOT src AND NOT dst */ + /* GXequiv */ 0x99, /* NOT src XOR dst */ + /* GXinvert */ 0x55, /* NOT dst */ + /* GXorReverse */ 0xdd, /* src OR NOT dst */ + /* GXcopyInverted*/ 0x33, /* NOT src */ + /* GXorInverted */ 0xbb, /* NOT src OR dst */ + /* GXnand */ 0x77, /* NOT src OR NOT dst */ + /* GXset */ 0xff, /* 1 */ +}; + +/* Align blts to this boundary or risk trashing an in-progress expand */ +#define SIS_MIN_PATTERN 8 + +/* Do plane bits in this increment to balance CPU and graphics engine */ +#define SIS_PATTERN_INC 1024 + +typedef struct _SisExpand { + SisCardInfo *sisc; + SisScreenInfo *siss; + CARD32 off; + int last; +} SisExpand; + +static void +sisExpandInit (ScreenPtr pScreen, + SisExpand *e) +{ + KdScreenPriv(pScreen); + sisCardInfo(pScreenPriv); + sisScreenInfo(pScreenPriv); + + e->sisc = sisc; + e->siss = siss; + e->off = siss->expand_off; + e->last = 0; +} + +static CARD32 * +sisExpandAlloc (SisExpand *e, + int nb) +{ + SisCardInfo *sisc = e->sisc; + SisScreenInfo *siss = e->siss; + SisPtr sis = sisc->sis; + CARD32 off; + + /* round up to alignment boundary */ + nb = (nb + SIS_MIN_PATTERN-1) & ~(SIS_MIN_PATTERN-1); + + off = e->off + e->last; + if (off + nb > siss->expand_off + siss->expand_len) + { + _sisWaitIdleEmpty (sis); + off = siss->expand_off; + } + e->off = off; + e->last = nb; + return (CARD32 *) (sisc->frameBuffer + off); +} + +void +sisGlyphBltClipped (DrawablePtr pDrawable, + GCPtr pGC, + int x, + int y, + unsigned int nglyph, + CharInfoPtr *ppciInit, + Bool imageBlt) +{ + SetupSis(pDrawable->pScreen); + FbGCPrivPtr fbPriv = fbGetGCPrivate(pGC); + int height; + int width; + int xBack, yBack; + int hBack, wBack; + int nb, bwidth, nl; + FontPtr pfont = pGC->font; + CharInfoPtr pci; + CARD8 *bits8, b; + CARD16 *bits16; + CARD32 *bits32; + BoxPtr extents; + BoxRec bbox; + unsigned char alu; + CARD32 cmd; + SisExpand expand; + CARD32 *dst, d; + int nbytes; + int shift; + int x1, y1, x2, y2; + RegionPtr pClip = fbGetCompositeClip(pGC); + BoxPtr pBox; + int nbox; + int rect_in; + int widthBlt; + CharInfoPtr *ppci; + + x += pDrawable->x; + y += pDrawable->y; + + if (imageBlt) + { + xBack = x; + yBack = y - FONTASCENT(pGC->font); + wBack = 0; + hBack = FONTASCENT(pGC->font) + FONTDESCENT(pGC->font); + if (hBack) + { + height = nglyph; + ppci = ppciInit; + while (height--) + 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) + { + _sisSetSolidRect (sis, pGC->bgPixel, GXcopy, cmd); + 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) + { + _sisRect (sis, x1, y1, x2 - x1, y2 - y1, cmd); + } + } + } + + sisExpandInit (pDrawable->pScreen, &expand); + + sis->u.general.src_fg = pGC->fgPixel; + sis->u.general.src_pitch = 0; + sis->u.general.src_x = 0; + sis->u.general.src_y = 0; + + cmd = (SIS_CMD_ENH_COLOR_EXPAND | + SIS_CMD_SRC_SCREEN | + SIS_CMD_PAT_FG | + (sisBltRop[alu] << 8) | + SIS_CMD_INC_X | + SIS_CMD_INC_Y | + SIS_CMD_RECT_CLIP_ENABLE | + SIS_CMD_TRANSPARENT); + + ppci = ppciInit; + while (nglyph--) + { + pci = *ppci++; + height = pci->metrics.ascent + pci->metrics.descent; + width = pci->metrics.rightSideBearing - pci->metrics.leftSideBearing; + widthBlt = (width + 31) & ~31; + nb = (widthBlt >> 3) * height; + if (nb) + { + x1 = x + pci->metrics.leftSideBearing; + y1 = y - pci->metrics.ascent; + bbox.x1 = x1; + bbox.y1 = y1; + bbox.x2 = x1 + width; + bbox.y2 = y1 + height; + rect_in = RECT_IN_REGION(pGC->pScreen, pClip, &bbox); + if (rect_in != rgnOUT) + { + dst = sisExpandAlloc (&expand, nb); + + sis->u.general.src_base = expand.off; + sis->u.general.dst_x = x1; + sis->u.general.dst_y = y1; + sis->u.general.rect_width = widthBlt; + sis->u.general.rect_height = height; + nb >>= 2; + bits32 = (CARD32 *) pci->bits; + while (nb--) + { + d = *bits32++; + SisInvertBits32 (d); + *dst++ = d; + } + if (rect_in == rgnPART) + { + for (nbox = REGION_NUM_RECTS (pClip), + pBox = REGION_RECTS (pClip); + nbox--; + pBox++) + { + _sisClip (sis, pBox->x1, pBox->y1, pBox->x2, pBox->y2); + sis->u.general.command = cmd; + } + } + else + { + _sisClip (sis, 0, 0, x1+width, pScreenPriv->screen->height); + sis->u.general.command = cmd; + } + } + } + x += pci->metrics.characterWidth; + } + _sisClip (sis, 0, 0, + pScreenPriv->screen->width, pScreenPriv->screen->height); + _sisWaitIdleEmpty(sis); +} + +Bool +sisTEGlyphBlt (DrawablePtr pDrawable, + GCPtr pGC, + int xInit, + int yInit, + unsigned int nglyph, + CharInfoPtr *ppci, + Bool imageBlt) +{ + SetupSis(pDrawable->pScreen); + int x, y; + int widthGlyphs, widthGlyph; + int widthBlt; + FbBits depthMask; + int glyphsPer; + FontPtr pfont = pGC->font; + unsigned long *char1, *char2, *char3, *char4, *char5; + CARD8 alu; + CARD32 *dst, tmp; + CARD8 *dst8, *bits8; + int nb; + int bwidth; + CARD32 cmd; + int h; + BoxRec bbox; + SisExpand expand; + int lwTmp, lw; + int extra, n; + + widthGlyph = FONTMAXBOUNDS(pfont,characterWidth); + if (!widthGlyph) + return TRUE; + + h = FONTASCENT(pfont) + FONTDESCENT(pfont); + if (!h) + return TRUE; + + 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 (x < 0 || y < 0) + return FALSE; + sisGlyphBltClipped (pDrawable, pGC, xInit, yInit, nglyph, ppci, imageBlt); + case rgnOUT: + return TRUE; + } + + if (widthGlyph <= 6) + glyphsPer = 5; + else if (widthGlyph <= 8) + glyphsPer = 4; + else if (widthGlyph <= 10) + glyphsPer = 3; + else if (widthGlyph <= 16) + glyphsPer = 2; + else + glyphsPer = 1; + + widthGlyphs = widthGlyph * glyphsPer; + widthBlt = widthGlyphs; + + /* make sure scanlines are 32-bit aligned */ + if (widthGlyphs <= 24) + widthBlt = 25; + + cmd = (SIS_CMD_ENH_COLOR_EXPAND | + SIS_CMD_SRC_SCREEN | + SIS_CMD_PAT_FG | + SIS_CMD_INC_X | + SIS_CMD_INC_Y); + + if (imageBlt) + { + sis->u.general.clip_right = bbox.x2; + cmd |= ((sisBltRop[GXcopy] << 8) | + SIS_CMD_OPAQUE | + SIS_CMD_RECT_CLIP_ENABLE); + } + else + { + cmd |= ((sisBltRop[pGC->alu] << 8) | + SIS_CMD_TRANSPARENT | + SIS_CMD_RECT_CLIP_DISABLE); + } + + sisExpandInit (pDrawable->pScreen, &expand); + + sis->u.general.src_fg = pGC->fgPixel; + sis->u.general.src_bg = pGC->bgPixel; + + bwidth = (widthBlt + 7) >> 3; + + nb = bwidth * h; + +#define LoopIt(count, loadup, fetch) \ + while (nglyph >= count) \ + { \ + nglyph -= count; \ + dst = sisExpandAlloc (&expand, nb); \ + sis->u.general.src_base = expand.off; \ + sis->u.general.src_pitch = 0; \ + sis->u.general.src_x = 0; \ + sis->u.general.src_y = 0; \ + sis->u.general.dst_x = x; \ + sis->u.general.dst_y = y; \ + sis->u.general.rect_width = widthBlt; \ + sis->u.general.rect_height = h; \ + x += widthGlyphs; \ + loadup \ + lwTmp = h; \ + while (lwTmp--) { \ + tmp = fetch; \ + SisInvertBits32(tmp); \ + *dst++ = tmp; \ + } \ + sis->u.general.command = cmd; \ + } + + switch (glyphsPer) { + case 5: + LoopIt(5, + char1 = (unsigned long *) (*ppci++)->bits; + char2 = (unsigned long *) (*ppci++)->bits; + char3 = (unsigned long *) (*ppci++)->bits; + char4 = (unsigned long *) (*ppci++)->bits; + char5 = (unsigned long *) (*ppci++)->bits;, + (*char1++ | ((*char2++ | ((*char3++ | ((*char4++ | (*char5++ + << widthGlyph)) + << widthGlyph)) + << widthGlyph)) + << widthGlyph))); + break; + case 4: + LoopIt(4, + 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))); + break; + case 3: + LoopIt(3, + char1 = (unsigned long *) (*ppci++)->bits; + char2 = (unsigned long *) (*ppci++)->bits; + char3 = (unsigned long *) (*ppci++)->bits;, + (*char1++ | ((*char2++ | (*char3++ << widthGlyph)) << widthGlyph))); + break; + case 2: + LoopIt(2, + char1 = (unsigned long *) (*ppci++)->bits; + char2 = (unsigned long *) (*ppci++)->bits;, + (*char1++ | (*char2++ << widthGlyph))); + break; + } + + widthBlt = (widthGlyph + 31) & ~31; + + bwidth = widthBlt >> 3; + + nb = bwidth * h; + + lw = (widthBlt >> 5) * h; + + while (nglyph--) + { + dst = (CARD32 *) sisExpandAlloc (&expand, nb); + char1 = (CARD32 *) (*ppci++)->bits; + sis->u.general.src_base = expand.off; + sis->u.general.src_pitch = 0; + sis->u.general.src_x = 0; + sis->u.general.src_y = 0; + sis->u.general.dst_x = x; + sis->u.general.dst_y = y; + sis->u.general.rect_width = widthBlt; + sis->u.general.rect_height = h; + lwTmp = lw; + while (lwTmp--) + { + tmp = *char1++; + SisInvertBits32 (tmp); + *dst++ = tmp; + } + sis->u.general.command = cmd; + x += widthGlyph; + } + if (imageBlt) + sis->u.general.clip_right = pScreenPriv->screen->width; + _sisWaitIdleEmpty(sis); + return TRUE; +} + +Bool +sisGlyphBlt(DrawablePtr pDrawable, + GCPtr pGC, + int x, + int y, + unsigned int nglyph, + CharInfoPtr *ppciInit, + Bool imageBlt) +{ + SetupSis(pDrawable->pScreen); + int height; + int width; + int xBack, yBack; + int hBack, wBack; + int nb, bwidth, nl; + FontPtr pfont = pGC->font; + CharInfoPtr pci; + CARD8 *bits8, b; + CARD16 *bits16; + CARD32 *bits32; + BoxPtr extents; + BoxRec bbox; + CharInfoPtr *ppci; + unsigned char alu; + CARD32 cmd; + SisExpand expand; + CARD32 *dst, d; + int nbytes; + int shift; + + x += pDrawable->x; + y += pDrawable->y; + + /* compute an approximate (but covering) bounding box */ + ppci = ppciInit; + width = 0; + height = nglyph; + while (height--) + width += (*ppci++)->metrics.characterWidth; + if (width < 0) + { + bbox.x1 = x + width; + bbox.x2 = x; + } + else + { + bbox.x1 = x; + bbox.x2 = x + width; + } + width = FONTMINBOUNDS(pfont,leftSideBearing); + if (width < 0) + bbox.x1 += width; + width = FONTMAXBOUNDS(pfont, rightSideBearing) - FONTMINBOUNDS(pfont, characterWidth); + if (width > 0) + bbox.x2 += width; + bbox.y1 = y - FONTMAXBOUNDS(pfont,ascent); + bbox.y2 = y + FONTMAXBOUNDS(pfont,descent); + + switch (RECT_IN_REGION(pGC->pScreen, fbGetCompositeClip(pGC), &bbox)) + { + case rgnPART: + if (bbox.x1 < 0 || bbox.y1 < 0) + return FALSE; + sisGlyphBltClipped (pDrawable, pGC, + x - pDrawable->x, y - pDrawable->y, + nglyph, ppciInit, imageBlt); + case rgnOUT: + return TRUE; + } + + if (imageBlt) + { + xBack = x; + yBack = y - FONTASCENT(pGC->font); + wBack = 0; + hBack = FONTASCENT(pGC->font) + FONTDESCENT(pGC->font); + if (hBack) + { + height = nglyph; + ppci = ppciInit; + while (height--) + 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) + { + _sisSetSolidRect (sis, pGC->bgPixel, GXcopy, cmd); + _sisRect (sis, xBack, yBack, wBack, hBack, cmd); + } + + sisExpandInit (pDrawable->pScreen, &expand); + + sis->u.general.src_fg = pGC->fgPixel; + + cmd = (SIS_CMD_ENH_COLOR_EXPAND | + SIS_CMD_SRC_SCREEN | + SIS_CMD_PAT_FG | + (sisBltRop[alu] << 8) | + SIS_CMD_INC_X | + SIS_CMD_INC_Y | + SIS_CMD_RECT_CLIP_DISABLE | + SIS_CMD_TRANSPARENT); + + ppci = ppciInit; + while (nglyph--) + { + pci = *ppci++; + height = pci->metrics.ascent + pci->metrics.descent; + width = pci->metrics.rightSideBearing - pci->metrics.leftSideBearing; + /* + * For glyphs wider than 16 pixels, expand the blt to the nearest multiple + * of 32; this allows the scanlines to be padded to a 32-bit boundary + * instead of requiring byte packing + */ + if (width > 16) + width = (width + 31) & ~31; + bwidth = (width + 7) >> 3; + nb = bwidth * height; + if (nb) + { + dst = sisExpandAlloc (&expand, nb); + + sis->u.general.src_base = expand.off; + sis->u.general.src_pitch = 0; + sis->u.general.src_x = 0; + sis->u.general.src_y = 0; + sis->u.general.dst_x = x + pci->metrics.leftSideBearing; + sis->u.general.dst_y = y - pci->metrics.ascent; + sis->u.general.rect_width = width; + sis->u.general.rect_height = height; + switch (bwidth) { + case 1: + bits8 = (CARD8 *) pci->bits; + while (height >= 4) + { + d = (bits8[0] | (bits8[4] << 8) | + (bits8[8] << 16) | (bits8[12] << 24)); + SisInvertBits32(d); + *dst++ = d; + bits8 += 16; + height -= 4; + } + if (height) + { + switch (height) { + case 3: + d = bits8[0] | (bits8[4] << 8) | (bits8[8] << 16); + break; + case 2: + d = bits8[0] | (bits8[4] << 8); + break; + case 1: + d = bits8[0]; + break; + } + SisInvertBits32(d); + *dst++ = d; + } + break; + case 2: + bits16 = (CARD16 *) pci->bits; + while (height >= 2) + { + d = bits16[0] | (bits16[2] << 16); + SisInvertBits32(d); + *dst++ = d; + bits16 += 4; + height -= 2; + } + if (height) + { + d = bits16[0]; + SisInvertBits32(d); + *dst++ = d; + } + break; + default: + nb >>= 2; + bits32 = (CARD32 *) pci->bits; + while (nb--) + { + d = *bits32++; + SisInvertBits32 (d); + *dst++ = d; + } + } + sis->u.general.command = cmd; + } + x += pci->metrics.characterWidth; + } + _sisWaitIdleEmpty(sis); + return TRUE; +} +/* + * Blt glyphs using Sis image transfer register, this does both + * poly glyph blt and image glyph blt (when pglyphBase == 1) + */ + +void +sisPolyGlyphBlt (DrawablePtr pDrawable, + GCPtr pGC, + int x, int y, + unsigned int nglyph, + CharInfoPtr *ppci, + pointer pglyphBase) +{ + FbBits depthMask; + + depthMask = FbFullMask (pDrawable->depth); + if ((pGC->planemask & depthMask) == depthMask && + pGC->fillStyle == FillSolid) + { + if (TERMINALFONT(pGC->font)) + { + if (sisTEGlyphBlt (pDrawable, pGC, x, y, nglyph, ppci, FALSE)) + return; + } + else + { + if (sisGlyphBlt (pDrawable, pGC, x, y, nglyph, ppci, FALSE)) + return; + } + } + fbPolyGlyphBlt (pDrawable, pGC, x, y, nglyph, ppci, pglyphBase); +} + +void +sisImageGlyphBlt (DrawablePtr pDrawable, + GCPtr pGC, + int x, int y, + unsigned int nglyph, + CharInfoPtr *ppci, + pointer pglyphBase) +{ + FbBits depthMask; + + depthMask = FbFullMask (pDrawable->depth); + if ((pGC->planemask & depthMask) == depthMask) + { + if (TERMINALFONT(pGC->font)) + { + if (sisTEGlyphBlt (pDrawable, pGC, x, y, nglyph, ppci, TRUE)) + return; + } + else + { + if (sisGlyphBlt (pDrawable, pGC, x, y, nglyph, ppci, TRUE)) + return; + } + } + fbImageGlyphBlt (pDrawable, pGC, x, y, nglyph, ppci, pglyphBase); +} + +#define sourceInvarient(alu) (((alu) & 3) == (((alu) >> 2) & 3)) + +#define sisPatternDimOk(d) ((d) <= 8 && (((d) & ((d) - 1)) == 0)) + +BOOL +sisFillOk (GCPtr pGC) +{ + FbBits depthMask; + + depthMask = FbFullMask(pGC->depth); + if ((pGC->planemask & depthMask) != depthMask) + return FALSE; + switch (pGC->fillStyle) { + case FillSolid: + return TRUE; + case FillTiled: + return (sisPatternDimOk (pGC->tile.pixmap->drawable.width) && + sisPatternDimOk (pGC->tile.pixmap->drawable.height)); + case FillStippled: + case FillOpaqueStippled: + return (sisPatternDimOk (pGC->stipple->drawable.width) && + sisPatternDimOk (pGC->stipple->drawable.height)); + } +} + +CARD32 +sisStipplePrepare (DrawablePtr pDrawable, GCPtr pGC) +{ + SetupSis(pGC->pScreen); + PixmapPtr pStip = pGC->stipple; + int stipHeight = pStip->drawable.height; + int xRot, yRot; + int rot, stipX, stipY; + FbStip *stip, *stipEnd, bits; + FbStride stipStride; + int stipBpp; + int y; + CARD32 cmd; + + xRot = pGC->patOrg.x + pDrawable->x; + yRot = pGC->patOrg.y + pDrawable->y; + modulus (- yRot, stipHeight, stipY); + modulus (- xRot, FB_UNIT, stipX); + rot = stipX; + + fbGetStipDrawable (&pStip->drawable, stip, stipStride, stipBpp); + for (y = 0; y < 8; y++) + { + bits = stip[stipY<<1]; + FbRotLeft(bits, rot); + SisInvertBits32(bits); + sis->u.general.mask[y] = (CARD8) bits; + stipY++; + if (stipY == stipHeight) + stipY = 0; + } + sis->u.general.pattern_fg = pGC->fgPixel; + + cmd = (SIS_CMD_BITBLT | + SIS_CMD_SRC_SCREEN | + SIS_CMD_PAT_MONO | + (sisPatRop[pGC->alu] << 8) | + SIS_CMD_INC_X | + SIS_CMD_INC_Y | + SIS_CMD_RECT_CLIP_DISABLE | + SIS_CMD_RECT_CLIP_DONT_MERGE); + if (pGC->fillStyle == FillOpaqueStippled) + { + sis->u.general.pattern_bg = pGC->bgPixel; + cmd |= SIS_CMD_OPAQUE; + } + else + cmd |= SIS_CMD_TRANSPARENT; + return cmd; +} + +CARD32 +sisTilePrepare (PixmapPtr pTile, int xRot, int yRot, CARD8 alu) +{ + SetupSis(pTile->drawable.pScreen); + int tileHeight = pTile->drawable.height; + int tileWidth = pTile->drawable.width; + FbBits *tile; + FbStride tileStride; + int tileBpp; + + fbGetDrawable (&pTile->drawable, tile, tileStride, tileBpp); + + /* + * Tile the pattern register + */ + fbTile ((FbBits *) sis->u.general.pattern, + (8 * tileBpp) >> FB_SHIFT, + 0, + + 8 * tileBpp, 8, + + tile, + tileStride, + tileWidth * tileBpp, + tileHeight, + GXcopy, FB_ALLONES, tileBpp, + xRot * tileBpp, + yRot); + + return (SIS_CMD_BITBLT | + SIS_CMD_SRC_SCREEN | + SIS_CMD_PAT_PATTERN | + (sisPatRop[alu] << 8) | + SIS_CMD_INC_X | + SIS_CMD_INC_Y | + SIS_CMD_RECT_CLIP_DISABLE | + SIS_CMD_RECT_CLIP_DONT_MERGE); +} + +void +sisFillBoxSolid (DrawablePtr pDrawable, int nBox, BoxPtr pBox, + unsigned long pixel, int alu) +{ + SetupSis(pDrawable->pScreen); + CARD32 cmd; + + _sisSetSolidRect(sis,pixel,alu,cmd); + + while (nBox--) + { + _sisRect(sis,pBox->x1,pBox->y1,pBox->x2-pBox->x1,pBox->y2-pBox->y1,cmd); + pBox++; + } + _sisWaitIdleEmpty(sis); +} + +void +sisFillBoxStipple (DrawablePtr pDrawable, GCPtr pGC, + int nBox, BoxPtr pBox) +{ + SetupSis(pDrawable->pScreen); + CARD32 cmd; + + cmd = sisStipplePrepare (pDrawable, pGC); + + while (nBox--) + { + _sisRect(sis,pBox->x1,pBox->y1,pBox->x2-pBox->x1,pBox->y2-pBox->y1,cmd); + pBox++; + } + _sisWaitIdleEmpty (sis); +} + +void +sisFillBoxTiled (DrawablePtr pDrawable, + int nBox, BoxPtr pBox, + PixmapPtr pTile, int xRot, int yRot, CARD8 alu) +{ + SetupSis (pDrawable->pScreen); + CARD32 cmd; + + cmd = sisTilePrepare (pTile, xRot, yRot, alu); + + while (nBox--) + { + _sisRect(sis,pBox->x1,pBox->y1,pBox->x2-pBox->x1,pBox->y2-pBox->y1,cmd); + pBox++; + } + _sisWaitIdleEmpty (sis); +} + +/* + sisDoBitBlt + ============= + Bit Blit for all window to window blits. +*/ + +void +sisCopyNtoN (DrawablePtr pSrcDrawable, + DrawablePtr pDstDrawable, + GCPtr pGC, + BoxPtr pbox, + int nbox, + int dx, + int dy, + Bool reverse, + Bool upsidedown, + Pixel bitplane, + void *closure) +{ + SetupSis(pDstDrawable->pScreen); + int srcX, srcY, dstX, dstY; + int w, h; + CARD32 flags; + CARD32 cmd; + CARD8 alu; + + if (pGC) + { + alu = pGC->alu; + if (sourceInvarient (pGC->alu)) + { + sisFillBoxSolid (pDstDrawable, nbox, pbox, 0, pGC->alu); + return; + } + } + else + alu = GXcopy; + + _sisSetBlt(sis,alu,cmd); + 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 |= SIS_CMD_INC_X; + } + srcX = dstX + dx; + + if (upsidedown) + { + dstY = pbox->y2 - 1; + } + else + { + dstY = pbox->y1; + flags |= SIS_CMD_INC_Y; + } + srcY = dstY + dy; + + _sisBlt (sis, srcX, srcY, dstX, dstY, w, h, cmd|flags); + pbox++; + } + _sisWaitIdleEmpty(sis); +} + +RegionPtr +sisCopyArea(DrawablePtr pSrcDrawable, DrawablePtr pDstDrawable, GCPtr pGC, + int srcx, int srcy, int width, int height, int dstx, int dsty) +{ + KdScreenPriv(pDstDrawable->pScreen); + FbBits depthMask; + + depthMask = FbFullMask (pDstDrawable->depth); + if ((pGC->planemask & depthMask) == depthMask && + pSrcDrawable->type == DRAWABLE_WINDOW && + pDstDrawable->type == DRAWABLE_WINDOW) + { + return fbDoCopy (pSrcDrawable, pDstDrawable, pGC, + srcx, srcy, width, height, + dstx, dsty, sisCopyNtoN, 0, 0); + } + return fbCopyArea (pSrcDrawable, pDstDrawable, pGC, + srcx, srcy, width, height, dstx, dsty); +} + +typedef struct _sis1toNargs { + unsigned long copyPlaneFG, copyPlaneBG; +} sis1toNargs; + +void +_sisStipple (ScreenPtr pScreen, + FbStip *psrcBase, + FbStride widthSrc, + CARD8 alu, + int srcx, + int srcy, + int dstx, + int dsty, + int width, + int height) +{ + SetupSis(pScreen); + FbStip *psrcLine, *psrc; + FbStride widthRest; + FbStip bits, tmp, lastTmp; + int leftShift, rightShift; + int nl, nlMiddle; + int r; + SisExpand expand; + CARD32 *dst; + int hthis; + int hper; + int bwidth; + CARD32 cmd; + + sisExpandInit (pScreen, &expand); + + /* Compute blt address and parameters */ + psrc = psrcBase + srcy * widthSrc + (srcx >> 5); + nlMiddle = (width + 31) >> 5; + leftShift = srcx & 0x1f; + rightShift = 32 - leftShift; + widthRest = widthSrc - nlMiddle; + + cmd = (SIS_CMD_ENH_COLOR_EXPAND | + SIS_CMD_SRC_SCREEN | + SIS_CMD_PAT_FG | + (sisBltRop[alu] << 8) | + SIS_CMD_INC_X | + SIS_CMD_INC_Y | + SIS_CMD_OPAQUE | + SIS_CMD_RECT_CLIP_ENABLE); + + if (leftShift != 0) + widthRest--; + + sis->u.general.src_x = 0; + sis->u.general.src_y = 0; + sis->u.general.dst_x = dstx; + sis->u.general.rect_width = (width + 31) & ~31; + sis->u.general.clip_right = (dstx + width); + + bwidth = nlMiddle << 2; + hper = SIS_PATTERN_INC / bwidth; + if (hper == 0) + hper = 1; + + while (height) + { + hthis = hper; + if (hthis > height) + hthis = height; + dst = sisExpandAlloc (&expand, bwidth * hthis); + sis->u.general.src_base = expand.off; + sis->u.general.dst_y = dsty; + sis->u.general.rect_height = hthis; + + dsty += hthis; + height -= hthis; + + if (leftShift == 0) + { + while (hthis--) + { + nl = nlMiddle; + while (nl--) + { + tmp = *psrc++; + SisInvertBits32(tmp); + *dst++ = tmp; + } + psrc += widthRest; + } + } + else + { + while (hthis--) + { + bits = *psrc++; + nl = nlMiddle; + while (nl--) + { + tmp = FbStipLeft(bits, leftShift); + bits = *psrc++; + tmp |= FbStipRight(bits, rightShift); + SisInvertBits32(tmp); + *dst++ = tmp; + } + psrc += widthRest; + } + } + sis->u.general.command = cmd; + } + sis->u.general.clip_right = pScreenPriv->screen->width; +} + +void +sisCopy1toN (DrawablePtr pSrcDrawable, + DrawablePtr pDstDrawable, + GCPtr pGC, + BoxPtr pbox, + int nbox, + int dx, + int dy, + Bool reverse, + Bool upsidedown, + Pixel bitplane, + void *closure) +{ + SetupSis(pDstDrawable->pScreen); + + sis1toNargs *args = closure; + int dstx, dsty; + FbStip *psrcBase; + FbStride widthSrc; + int srcBpp; + + if (sourceInvarient (pGC->alu)) + { + sisFillBoxSolid (pDstDrawable, nbox, pbox, + pGC->bgPixel, pGC->alu); + return; + } + + fbGetStipDrawable (pSrcDrawable, psrcBase, widthSrc, srcBpp); + + sis->u.general.src_fg = args->copyPlaneFG; + sis->u.general.src_bg = args->copyPlaneBG; + + while (nbox--) + { + dstx = pbox->x1; + dsty = pbox->y1; + + _sisStipple (pDstDrawable->pScreen, + psrcBase, widthSrc, + pGC->alu, + dstx + dx, dsty + dy, + dstx, dsty, + pbox->x2 - dstx, pbox->y2 - dsty); + pbox++; + } + _sisWaitIdleEmpty (sis); +} + +RegionPtr +sisCopyPlane(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; + sis1toNargs args; + FbBits depthMask; + + depthMask = FbFullMask (pDstDrawable->depth); + if ((pGC->planemask & depthMask) == depthMask && + 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, sisCopy1toN, bitPlane, &args); + } + return fbCopyPlane(pSrcDrawable, pDstDrawable, pGC, + srcx, srcy, width, height, + dstx, dsty, bitPlane); +} + +void +sisFillSpans (DrawablePtr pDrawable, GCPtr pGC, int n, + DDXPointPtr ppt, int *pwidth, int fSorted) +{ + SetupSis(pDrawable->pScreen); + DDXPointPtr pptFree; + FbGCPrivPtr fbPriv = fbGetGCPrivate(pGC); + int *pwidthFree;/* copies of the pointers to free */ + CARD32 cmd; + int nTmp; + INT16 x, y; + int width; + + if (!sisFillOk (pGC)) + { + fbFillSpans (pDrawable, pGC, n, ppt, pwidth, fSorted); + return; + } + 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; + switch (pGC->fillStyle) { + case FillSolid: + _sisSetSolidRect(sis,pGC->fgPixel,pGC->alu,cmd); + break; + case FillTiled: + cmd = sisTilePrepare (pGC->tile.pixmap, + pGC->patOrg.x + pDrawable->x, + pGC->patOrg.y + pDrawable->y, + pGC->alu); + break; + default: + cmd = sisStipplePrepare (pDrawable, pGC); + break; + } + while (n--) + { + x = ppt->x; + y = ppt->y; + ppt++; + width = *pwidth++; + if (width) + { + _sisRect(sis,x,y,width,1,cmd); + } + } + _sisWaitIdleEmpty (sis); + DEALLOCATE_LOCAL(pptFree); + DEALLOCATE_LOCAL(pwidthFree); +} + +#define NUM_STACK_RECTS 1024 + +void +sisPolyFillRect (DrawablePtr pDrawable, GCPtr pGC, + int nrectFill, xRectangle *prectInit) +{ + SetupSis(pDrawable->pScreen); + 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; + + if (!sisFillOk (pGC)) + { + fbPolyFillRect (pDrawable, pGC, nrectFill, prectInit); + return; + } + 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) + { + switch (pGC->fillStyle) { + case FillSolid: + sisFillBoxSolid(pDrawable, + pboxClipped-pboxClippedBase, pboxClippedBase, + pGC->fgPixel, pGC->alu); + break; + case FillTiled: + sisFillBoxTiled(pDrawable, + pboxClipped-pboxClippedBase, pboxClippedBase, + pGC->tile.pixmap, + pGC->patOrg.x + pDrawable->x, + pGC->patOrg.y + pDrawable->y, + pGC->alu); + break; + case FillStippled: + case FillOpaqueStippled: + sisFillBoxStipple (pDrawable, pGC, + pboxClipped-pboxClippedBase, pboxClippedBase); + break; + } + } + if (pboxClippedBase != stackRects) + DEALLOCATE_LOCAL(pboxClippedBase); +} + +static const GCOps sisOps = { + sisFillSpans, + fbSetSpans, + fbPutImage, + sisCopyArea, + sisCopyPlane, + fbPolyPoint, + fbPolyLine, + fbPolySegment, + miPolyRectangle, + fbPolyArc, + miFillPolygon, + sisPolyFillRect, + fbPolyFillArc, + miPolyText8, + miPolyText16, + miImageText8, + miImageText16, + sisImageGlyphBlt, + sisPolyGlyphBlt, + fbPushPixels, +#ifdef NEED_LINEHELPER + ,NULL +#endif +}; + +void +sisValidateGC (GCPtr pGC, Mask changes, DrawablePtr pDrawable) +{ + FbGCPrivPtr fbPriv = fbGetGCPrivate(pGC); + + fbValidateGC (pGC, changes, pDrawable); + + if (pDrawable->type == DRAWABLE_WINDOW) + pGC->ops = (GCOps *) &sisOps; + else + pGC->ops = (GCOps *) &fbGCOps; +} + +GCFuncs sisGCFuncs = { + sisValidateGC, + miChangeGC, + miCopyGC, + miDestroyGC, + miChangeClip, + miDestroyClip, + miCopyClip +}; + +int +sisCreateGC (GCPtr pGC) +{ + if (!fbCreateGC (pGC)) + return FALSE; + + if (pGC->depth != 1) + pGC->funcs = &sisGCFuncs; + + return TRUE; +} + +void +sisCopyWindow(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, sisCopyNtoN, 0, 0); + + REGION_UNINIT(pWin->drawable.pScreen, &rgnDst); +} + +void +sisPaintWindow(WindowPtr pWin, RegionPtr pRegion, int what) +{ + KdScreenPriv(pWin->drawable.pScreen); + PixmapPtr pTile; + + 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: + pTile = pWin->background.pixmap; + if (sisPatternDimOk (pTile->drawable.width) && + sisPatternDimOk (pTile->drawable.height)) + { + sisFillBoxTiled ((DrawablePtr)pWin, + (int)REGION_NUM_RECTS(pRegion), + REGION_RECTS(pRegion), + pTile, + pWin->drawable.x, pWin->drawable.y, GXcopy); + return; + } + break; + case BackgroundPixel: + sisFillBoxSolid((DrawablePtr)pWin, + (int)REGION_NUM_RECTS(pRegion), + REGION_RECTS(pRegion), + pWin->background.pixel, GXcopy); + return; + } + break; + case PW_BORDER: + if (pWin->borderIsPixel) + { + sisFillBoxSolid((DrawablePtr)pWin, + (int)REGION_NUM_RECTS(pRegion), + REGION_RECTS(pRegion), + pWin->border.pixel, GXcopy); + return; + } + else + { + pTile = pWin->border.pixmap; + if (sisPatternDimOk (pTile->drawable.width) && + sisPatternDimOk (pTile->drawable.height)) + { + sisFillBoxTiled ((DrawablePtr)pWin, + (int)REGION_NUM_RECTS(pRegion), + REGION_RECTS(pRegion), + pTile, + pWin->drawable.x, pWin->drawable.y, GXcopy); + return; + } + } + break; + } + fbPaintWindow (pWin, pRegion, what); +} + +Bool +sisDrawInit (ScreenPtr pScreen) +{ + KdScreenPriv(pScreen); + sisScreenInfo(pScreenPriv); + + /* + * Replace various fb screen functions + */ + pScreen->CreateGC = sisCreateGC; + pScreen->CopyWindow = sisCopyWindow; + pScreen->PaintWindowBackground = sisPaintWindow; + pScreen->PaintWindowBorder = sisPaintWindow; + + return TRUE; +} + +void +sisDrawEnable (ScreenPtr pScreen) +{ + SetupSis(pScreen); + sisScreenInfo(pScreenPriv); + CARD32 cmd; + CARD32 base; + CARD16 stride; + + base = pScreenPriv->screen->frameBuffer - sisc->frameBuffer; + stride = pScreenPriv->screen->byteStride; + _sisWaitIdleEmpty(sis); + sis->u.general.dst_base = base; + sis->u.general.dst_pitch = stride; + sis->u.general.dst_height = pScreenPriv->screen->height; + _sisClip (sis, 0, 0, + pScreenPriv->screen->width, pScreenPriv->screen->height); + _sisSetSolidRect(sis, pScreen->blackPixel, GXcopy, cmd); + _sisRect (sis, 0, 0, + pScreenPriv->screen->width, pScreenPriv->screen->height, + cmd); + _sisWaitIdleEmpty (sis); +} + +void +sisDrawDisable (ScreenPtr pScreen) +{ +} + +void +sisDrawFini (ScreenPtr pScreen) +{ +} |