/* $XConsortium: cir_solid.c,v 1.2 95/01/26 15:38:28 kaleb Exp $ */ /* $XFree86: xc/programs/Xserver/hw/xfree86/vga256/drivers/cirrus/cir_solid.c,v 3.3 1995/01/28 16:12:00 dawes Exp $ */ /* Copyright (c) 1987 X Consortium Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: 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 X CONSORTIUM 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 X Consortium 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 X Consortium. Copyright 1987 by Sun Microsystems, Inc. Mountain View, CA. 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 no- tice appear in all copies and that both that copyright no- tice and this permission notice appear in supporting docu- mentation, and that the name of Sun not be used in advertising or publicity pertaining to distribution of the software without specific prior written permission. Sun makes no representations about the suitability of this software for any purpose. It is provided "as is" without any express or implied warranty. SUN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT- NESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SUN BE LI- ABLE 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. Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts, Copyright 1993 by Kevin E. Martin, Chapel Hill, North Carolina. Copyright 1994 by Henry A. Worth, Sunnyvale, California. Copyright 1994 by Harm Hanemaayer, Utrecht, The Netherlands 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. Rewritten for the 8514/A by Kevin E. Martin (martin@cs.unc.edu) KEVIN E. MARTIN, RICKARD E. FAITH, AND HENRY A. WORTH DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL THE AUTHORS 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. Modified for the Mach-8 by Rickard E. Faith (faith@cs.unc.edu) Modified for the Mach32 by Kevin E. Martin (martin@cs.unc.edu) Modified for the AGX by Henry A. Worth (haw30@eng.amdahl.com) Modified for Cirrus by Harm Hanemaayer (hhanemaa@cs.ruu.nl) */ #include "X.h" #include "Xmd.h" #include "servermd.h" #include "gcstruct.h" #include "window.h" #include "pixmapstr.h" #include "scrnintstr.h" #include "windowstr.h" #include "xf86.h" #include "vga256.h" #include "vga.h" #include "compiler.h" #include "cir_driver.h" #include "cirBlitMM.h" /* MMIO BitBLT commands */ /* * Auxilliary function that writes a color-expand solid pattern * for solid filling with the color-expand BitBLT fill. */ void CirrusWriteSolidPattern() { unsigned char *base; int patternaddr; patternaddr = cirrusBLTPatternAddress; CIRRUSSETWRITE(patternaddr); base = CIRRUSWRITEBASE(); *(unsigned long *)(base + patternaddr) = 0xFFFFFFFF; *(unsigned long *)(base + patternaddr + 4) = 0xFFFFFFFF; } /* * Auxilliary function that sets up the MMIO BitBLT foreground color, * and the MMIO BitBLT mode register, for a depth of 8, 16 or 32. */ static void SetForegroundColorAndBlitMode(fg, mode) unsigned int fg; int mode; { if (vgaBitsPerPixel == 8) { SETFOREGROUNDCOLOR(fg); SETBLTMODE(mode); return; } if (vgaBitsPerPixel == 16) { SETFOREGROUNDCOLOR16(fg); SETBLTMODE(mode | PIXELWIDTH16); return; } /* vgaBitsPerPixel == 32 */ SETFOREGROUNDCOLOR32(fg); SETBLTMODE(mode | PIXELWIDTH32); } /* This one also sets the background color. */ static void SetColorsAndBlitMode(fg, bg, mode) unsigned int fg; unsigned int bg; int mode; { if (vgaBitsPerPixel == 8) { SETFOREGROUNDCOLOR(fg); SETBACKGROUNDCOLOR(bg); SETBLTMODE(mode); return; } if (vgaBitsPerPixel == 16) { SETFOREGROUNDCOLOR16(fg); SETBACKGROUNDCOLOR16(bg); SETBLTMODE(mode | PIXELWIDTH16); return; } /* vgaBitsPerPixel == 32 */ SETFOREGROUNDCOLOR32(fg); SETBACKGROUNDCOLOR32(bg); SETBLTMODE(mode | PIXELWIDTH32); } /* * Accelerated solid filled spans for 8, 16 and 32bpp. * Requires memory-mapped I/O (5429, 543x) for acceptable performance. * Each span is drawn with a seperate BitBLT command. * Command overhead is reduced as far as possible. */ void CirrusFillSolidSpansGeneral(pDrawable, pGC, nInit, pptInit, pwidthInit, fSorted) DrawablePtr pDrawable; GCPtr pGC; int nInit; /* number of spans to fill */ DDXPointPtr pptInit; /* pointer to list of start points */ int *pwidthInit; /* pointer to list of n widths */ int fSorted; { int n; /* number of spans to fill */ register DDXPointPtr ppt; /* pointer to list of start points */ register int *pwidth; /* pointer to list of n widths */ DDXPointPtr initPpt; int *initPwidth; unsigned short width; int pitch, busy, pixshift; /* We only handle on-screen spans with full planemask. */ if (vgaBitsPerPixel == 8 && (!xf86VTSema || (pGC->planemask & 0xFF) != 0xFF)) { vga256SolidSpansGeneral(pDrawable, pGC, nInit, pptInit, pwidthInit, fSorted); return; } else if (vgaBitsPerPixel == 16 && (!xf86VTSema || (pGC->planemask & 0xFFFF) != 0xFFFF)) { cfb16SolidSpansGeneral(pDrawable, pGC, nInit, pptInit, pwidthInit, fSorted); return; } else if (vgaBitsPerPixel == 32 && (!xf86VTSema || (pGC->planemask & 0xFFFFFFFF) != 0xFFFFFFFF)) { cfb32SolidSpansGeneral(pDrawable, pGC, nInit, pptInit, pwidthInit, fSorted); return; } if (pDrawable->type != DRAWABLE_WINDOW) { /* * This would be handled better by writing decent ValidateGC * code for the SVGA server. */ if (vgaBitsPerPixel == 8) cfbSolidSpansGeneral(pDrawable, pGC, nInit, pptInit, pwidthInit, fSorted); else if (vgaBitsPerPixel == 16) cfb16SolidSpansGeneral(pDrawable, pGC, nInit, pptInit, pwidthInit, fSorted); else cfb32SolidSpansGeneral(pDrawable, pGC, nInit, pptInit, pwidthInit, fSorted); return; } if (!(pGC->planemask)) return; n = nInit * miFindMaxBand( ((cfbPrivGC *) (pGC->devPrivates[cfbGCPrivateIndex].ptr)) ->pCompositeClip ); initPwidth = pwidth = (int *)ALLOCATE_LOCAL(n * sizeof(int)); initPpt = ppt = (DDXPointRec *)ALLOCATE_LOCAL(n * sizeof(DDXPointRec)); if(!ppt || !pwidth) { if (ppt) DEALLOCATE_LOCAL(ppt); if (pwidth) DEALLOCATE_LOCAL(pwidth); return; } n = miClipSpans( ((cfbPrivGC *)(pGC->devPrivates[cfbGCPrivateIndex].ptr)) ->pCompositeClip, pptInit, pwidthInit, nInit, ppt, pwidth, fSorted); pitch = vga256InfoRec.virtualX; pixshift = vgaBitsPerPixel >> 4; pitch <<= pixshift; /* Write the color-expanded source pattern (solid). */ CirrusWriteSolidPattern(); /* Set up the invariant BitBLT parameters. */ SETROP(cirrus_rop[pGC->alu]); SETSRCADDR(cirrusBLTPatternAddress); SETDESTPITCH(pitch); SETHEIGHT(1); SetForegroundColorAndBlitMode(pGC->fgPixel, FORWARDS | PATTERNCOPY | COLOREXPAND); while (n--) { int destaddr; int width_in_bytes; /* Do the address calculation while the previous blit is running. */ destaddr = ppt->y * pitch + (ppt->x << pixshift); width_in_bytes = *pwidth << pixshift; do { BLTBUSY(busy); } while (busy); SETDESTADDR(destaddr); SETWIDTH(width_in_bytes); STARTBLT(); ppt++; pwidth++; } do { BLTBUSY(busy); } while (busy); SETFOREGROUNDCOLOR(0); /* Restore VGA Set/Reset register. */ DEALLOCATE_LOCAL(initPpt); DEALLOCATE_LOCAL(initPwidth); } /* * Optimized accelerated solid filled rectangles for 8, 16 and 32bpp. * Requires memory-mapped I/O (5429, 543x). * Command overhead is reduced as far as possible. */ void CirrusMMIOFillRectSolid(pDrawable, pGC, nBox, pBox) DrawablePtr pDrawable; GCPtr pGC; int nBox; BoxPtr pBox; { int pitch, busy, pixshift; /* We only handle on-screen fills with full planemask. */ if (vgaBitsPerPixel == 8 && (!xf86VTSema || (pGC->planemask & 0xFF) != 0xFF || pDrawable->type != DRAWABLE_WINDOW)) { vga256FillRectSolidGeneral(pDrawable, pGC, nBox, pBox); return; } else if (vgaBitsPerPixel == 16 && (!xf86VTSema || (pGC->planemask & 0xFFFF) != 0xFFFF || pDrawable->type != DRAWABLE_WINDOW)) { cfb16FillRectSolidGeneral(pDrawable, pGC, nBox, pBox); return; } else if (vgaBitsPerPixel == 32 && (!xf86VTSema || (pGC->planemask & 0xFFFFFFFF) != 0xFFFFFFFF || pDrawable->type != DRAWABLE_WINDOW)) { cfb32FillRectSolidGeneral(pDrawable, pGC, nBox, pBox); return; } pitch = vga256InfoRec.virtualX; pixshift = vgaBitsPerPixel >> 4; pitch <<= pixshift; /* Write the color-expanded source pattern (solid). */ CirrusWriteSolidPattern(); /* Set up the invariant BitBLT parameters. */ SETROP(cirrus_rop[pGC->alu]); SETSRCADDR(cirrusBLTPatternAddress); SETDESTPITCH(pitch); SetColorsAndBlitMode(pGC->fgPixel, pGC->bgPixel, FORWARDS | PATTERNCOPY | COLOREXPAND); while (nBox) { int height, width_in_bytes, destaddr; height = pBox->y2 - pBox->y1; width_in_bytes = (pBox->x2 - pBox->x1) << pixshift; destaddr = pBox->y1 * pitch + (pBox->x1 << pixshift); if (height > 1024) { /* @%$@!#! 5429/5430/4 only works with heights up to 1024. */ do { BLTBUSY(busy); } while (busy); SETDESTADDR(destaddr); SETWIDTH(width_in_bytes); SETHEIGHT(1024); STARTBLT(); destaddr += 1024 * pitch; height -= 1024; do { BLTBUSY(busy); } while (busy); SETDESTADDR(destaddr); SETWIDTH(width_in_bytes); SETHEIGHT(height); STARTBLT(); } else { do { BLTBUSY(busy); } while (busy); SETDESTADDR(destaddr); SETWIDTH(width_in_bytes); SETHEIGHT(height); STARTBLT(); } nBox--; pBox++; } do { BLTBUSY(busy); } while (busy); SETFOREGROUNDCOLOR(0); /* Restore VGA Set/Reset register. */ } /* Wrapper for vga256lowlevFuncs.fillBoxSolid(). Currently not used. */ void CirrusMMIOFillBoxSolid(pDrawable, nBox, pBox, pixel1, pixel2, alu) { struct _GC dummyGC; dummyGC.fgPixel = pixel1; dummyGC.bgPixel = pixel2; dummyGC.alu = alu; CirrusMMIOFillRectSolid(pDrawable, &dummyGC, nBox, pBox); }