diff options
Diffstat (limited to 'src/savage_xaa.c')
| -rw-r--r-- | src/savage_xaa.c | 1022 |
1 files changed, 1022 insertions, 0 deletions
diff --git a/src/savage_xaa.c b/src/savage_xaa.c new file mode 100644 index 0000000..4565ffd --- /dev/null +++ b/src/savage_xaa.c @@ -0,0 +1,1022 @@ +/* + * The accel file for the Savage driver. + * + * Created 20/03/97 by Sebastien Marineau for 3.3.6 + * Modified 17-Nov-2000 by Tim Roberts for 4.0.1 + * Modified Feb-2004 by Alex Deucher - integrating DRI support + * Modified 2005-2006 by Alex Deucher - adding exa support + * Revision: + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <X11/Xarch.h> +#include "xaalocal.h" +#include "xaarop.h" +#include "miline.h" +#include "savage_driver.h" +#include "savage_bci.h" + +extern int gSavageEntityIndex; + +static void SavageSetupForScreenToScreenCopy( + ScrnInfoPtr pScrn, + int xdir, + int ydir, + int rop, + unsigned planemask, + int transparency_color); + +static void SavageSubsequentScreenToScreenCopy( + ScrnInfoPtr pScrn, + int x1, + int y1, + int x2, + int y2, + int w, + int h); + +static void SavageSetupForSolidFill( + ScrnInfoPtr pScrn, + int color, + int rop, + unsigned int planemask); + +static void SavageSubsequentSolidFillRect( + ScrnInfoPtr pScrn, + int x, + int y, + int w, + int h); + +static void SavageSubsequentSolidBresenhamLine( + ScrnInfoPtr pScrn, + int x1, + int y1, + int e1, + int e2, + int err, + int length, + int octant); + +static void SavageSetupForCPUToScreenColorExpandFill( + ScrnInfoPtr pScrn, + int fg, + int bg, + int rop, + unsigned int planemask); + +static void SavageSubsequentScanlineCPUToScreenColorExpandFill( + ScrnInfoPtr pScrn, + int x, + int y, + int w, + int h, + int skipleft); + +static void SavageSubsequentColorExpandScanline( + ScrnInfoPtr pScrn, + int buffer_no); + +static void SavageSetupForMono8x8PatternFill( + ScrnInfoPtr pScrn, + int patternx, + int patterny, + int fg, + int bg, + int rop, + unsigned int planemask); + +static void SavageSubsequentMono8x8PatternFillRect( + ScrnInfoPtr pScrn, + int pattern0, + int pattern1, + int x, + int y, + int w, + int h); + +static void SavageSetClippingRectangle( + ScrnInfoPtr pScrn, + int x1, + int y1, + int x2, + int y2); + +static void SavageDisableClipping( ScrnInfoPtr ); + +/* from savage_image.c: */ + +void SavageSetupForImageWrite( + ScrnInfoPtr pScrn, + int rop, + unsigned int planemask, + int transparency_color, + int bpp, + int depth); + +void SavageSubsequentImageWriteRect( + ScrnInfoPtr pScrn, + int x, + int y, + int w, + int h, + int skipleft); + +void SavageWriteBitmapCPUToScreenColorExpand ( + ScrnInfoPtr pScrn, + int x, int y, int w, int h, + unsigned char * src, + int srcwidth, + int skipleft, + int fg, int bg, + int rop, + unsigned int planemask +); + +static +void SavageRestoreAccelState(ScrnInfoPtr pScrn) +{ + SavagePtr psav = SAVPTR(pScrn); + + psav->WaitIdleEmpty(psav); + + return; +} + + +Bool +SavageXAAInit(ScreenPtr pScreen) +{ + ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; + SavagePtr psav = SAVPTR(pScrn); + XAAInfoRecPtr xaaptr; + BoxRec AvailFBArea; + int tmp; + + /* Set-up our GE command primitive */ + + if (pScrn->depth == 8) { + psav->PlaneMask = 0xFF; + } + else if (pScrn->depth == 15) { + psav->PlaneMask = 0x7FFF; + } + else if (pScrn->depth == 16) { + psav->PlaneMask = 0xFFFF; + } + else if (pScrn->depth == 24) { + psav->PlaneMask = 0xFFFFFF; + } + + /* General acceleration flags */ + + if (!(xaaptr = psav->AccelInfoRec = XAACreateInfoRec())) { + xf86DrvMsg(pScrn->scrnIndex, X_ERROR, + "Failed to allocate XAAInfoRec.\n"); + return FALSE; + } + + xaaptr->Flags = 0 + | PIXMAP_CACHE + | OFFSCREEN_PIXMAPS + | LINEAR_FRAMEBUFFER + ; + + + if(xf86IsEntityShared(pScrn->entityList[0])) + { + DevUnion* pPriv; + SavageEntPtr pEnt; + pPriv = xf86GetEntityPrivate(pScrn->entityList[0], + gSavageEntityIndex); + pEnt = pPriv->ptr; + + /*if there are more than one devices sharing this entity, we + have to assign this call back, otherwise the XAA will be + disabled */ + if(pEnt->HasSecondary) + xaaptr->RestoreAccelState = SavageRestoreAccelState; + } + + /* Clipping */ + + xaaptr->SetClippingRectangle = SavageSetClippingRectangle; + xaaptr->DisableClipping = SavageDisableClipping; + xaaptr->ClippingFlags = 0 +#if 0 + | HARDWARE_CLIP_SOLID_FILL + | HARDWARE_CLIP_SOLID_LINE + | HARDWARE_CLIP_DASHED_LINE +#endif + | HARDWARE_CLIP_SCREEN_TO_SCREEN_COPY + | HARDWARE_CLIP_MONO_8x8_FILL + | HARDWARE_CLIP_COLOR_8x8_FILL + ; + + xaaptr->Sync = SavageAccelSync; + + /* ScreenToScreen copies */ + +#if 1 + + xaaptr->SetupForScreenToScreenCopy = SavageSetupForScreenToScreenCopy; + xaaptr->SubsequentScreenToScreenCopy = SavageSubsequentScreenToScreenCopy; + xaaptr->ScreenToScreenCopyFlags = 0 + | NO_TRANSPARENCY + | NO_PLANEMASK + | ROP_NEEDS_SOURCE; + +#endif + + + /* Solid filled rectangles */ + +#if 1 + xaaptr->SetupForSolidFill = SavageSetupForSolidFill; + xaaptr->SubsequentSolidFillRect = SavageSubsequentSolidFillRect; + xaaptr->SolidFillFlags = NO_PLANEMASK | ROP_NEEDS_SOURCE; +#endif + + /* Mono 8x8 pattern fills */ + +#if 1 + xaaptr->SetupForMono8x8PatternFill = SavageSetupForMono8x8PatternFill; + xaaptr->SubsequentMono8x8PatternFillRect + = SavageSubsequentMono8x8PatternFillRect; + xaaptr->Mono8x8PatternFillFlags = 0 + | HARDWARE_PATTERN_PROGRAMMED_BITS + | HARDWARE_PATTERN_SCREEN_ORIGIN + | BIT_ORDER_IN_BYTE_MSBFIRST + | ROP_NEEDS_SOURCE + ; + if( psav->Chipset == S3_SAVAGE4 ) + xaaptr->Mono8x8PatternFillFlags |= NO_TRANSPARENCY; +#endif + + /* Solid lines */ + +#if 1 + xaaptr->SolidLineFlags = NO_PLANEMASK; + xaaptr->SetupForSolidLine = SavageSetupForSolidFill; + xaaptr->SubsequentSolidBresenhamLine = SavageSubsequentSolidBresenhamLine; +#if 0 + xaaptr->SubsequentSolidFillTrap = SavageSubsequentSolidFillTrap; +#endif + + xaaptr->SolidBresenhamLineErrorTermBits = 13; +#endif + + /* ImageWrite */ + + xaaptr->ImageWriteFlags = 0 + | NO_PLANEMASK + | CPU_TRANSFER_PAD_DWORD + | SCANLINE_PAD_DWORD + | BIT_ORDER_IN_BYTE_MSBFIRST + | LEFT_EDGE_CLIPPING + ; + xaaptr->SetupForImageWrite = SavageSetupForImageWrite; + xaaptr->SubsequentImageWriteRect = SavageSubsequentImageWriteRect; + xaaptr->NumScanlineImageWriteBuffers = 1; + xaaptr->ImageWriteBase = psav->BciMem; + xaaptr->ImageWriteRange = 120 * 1024; + + + /* CPU to Screen color expansion */ + + xaaptr->ScanlineCPUToScreenColorExpandFillFlags = 0 + | NO_PLANEMASK + | CPU_TRANSFER_PAD_DWORD + | SCANLINE_PAD_DWORD + | BIT_ORDER_IN_BYTE_MSBFIRST + | LEFT_EDGE_CLIPPING + | ROP_NEEDS_SOURCE + ; + + xaaptr->SetupForScanlineCPUToScreenColorExpandFill = + SavageSetupForCPUToScreenColorExpandFill; + xaaptr->SubsequentScanlineCPUToScreenColorExpandFill = + SavageSubsequentScanlineCPUToScreenColorExpandFill; + xaaptr->SubsequentColorExpandScanline = + SavageSubsequentColorExpandScanline; + xaaptr->ColorExpandBase = psav->BciMem; + xaaptr->ScanlineColorExpandBuffers = &xaaptr->ColorExpandBase; + xaaptr->NumScanlineColorExpandBuffers = 1; + + /* Set up screen parameters. */ + + psav->Bpp = pScrn->bitsPerPixel / 8; + psav->Bpl = pScrn->displayWidth * psav->Bpp; + psav->ScissB = (psav->CursorKByte << 10) / psav->Bpl; + if (psav->ScissB > 2047) + psav->ScissB = 2047; + + /* + * Finally, we set up the video memory space available to the pixmap + * cache. In this case, all memory from the end of the virtual screen + * to the end of the command overflow buffer can be used. If you haven't + * enabled the PIXMAP_CACHE flag, then these lines can be omitted. + */ + + AvailFBArea.x1 = 0; + AvailFBArea.y1 = 0; + AvailFBArea.x2 = psav->cxMemory; + AvailFBArea.y2 = psav->cyMemory; + xf86InitFBManager(pScreen, &AvailFBArea); + /* + * because the alignment requirement,the on-screen need more memory + * than (0,0,virtualX,virtualY), but xf86InitFBManager only subtract + * (pScrn->virtualX * pScrn->virtualY from (0,0,cxMemory,cyMemory),so + * here,we should reserver some memory for on-screen + */ + tmp = ((psav->cxMemory * pScrn->virtualY - pScrn->virtualX * pScrn->virtualY) + + psav->cxMemory -1) / (psav->cxMemory); + if (tmp) + xf86AllocateOffscreenArea(pScreen, psav->cxMemory,tmp, 0, NULL, NULL, NULL); + + xf86DrvMsg(pScrn->scrnIndex, X_INFO, + "Using %d lines for offscreen memory.\n", + psav->cyMemory - pScrn->virtualY ); + + + return XAAInit(pScreen, xaaptr); + +} + +/* The sync function for the GE */ +void +SavageAccelSync(ScrnInfoPtr pScrn) +{ + SavagePtr psav = SAVPTR(pScrn); + psav->WaitIdleEmpty(psav); +} + + +/* + * The XAA ROP helper routines all assume that a solid color is a + * "pattern". The Savage chips, however, apply a non-stippled solid + * color as "source". Thus, we use a slightly customized version. + */ + +static int +SavageHelpPatternROP(ScrnInfoPtr pScrn, int *fg, int *bg, unsigned int pm, int *rop) +{ + XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn); + int ret = 0; + + pm &= infoRec->FullPlanemask; + + if(pm == infoRec->FullPlanemask) { + if(!NO_SRC_ROP(*rop)) + ret |= ROP_PAT; + *rop = XAAGetCopyROP(*rop); + } else { + switch(*rop) { + case GXnoop: + break; + case GXset: + case GXclear: + case GXinvert: + ret |= ROP_PAT; + *fg = pm; + if(*bg != -1) + *bg = pm; + break; + default: + ret |= ROP_PAT | ROP_SRC; + break; + } + *rop = XAAGetCopyROP_PM(*rop); + } + + return ret; +} + + +static int +SavageHelpSolidROP(ScrnInfoPtr pScrn, int *fg, unsigned int pm, int *rop) +{ + XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn); + int ret = 0; + + pm &= infoRec->FullPlanemask; + + if(pm == infoRec->FullPlanemask) { + if(!NO_SRC_ROP(*rop)) + ret |= ROP_PAT; + *rop = XAAGetCopyROP(*rop); + } else { + switch(*rop) { + case GXnoop: + break; + case GXset: + case GXclear: + case GXinvert: + ret |= ROP_PAT; + *fg = pm; + break; + default: + ret |= ROP_PAT | ROP_SRC; + break; + } + *rop = XAAGetCopyROP_PM(*rop); + } + + return ret; +} + + + +/* These are the ScreenToScreen bitblt functions. We support all ROPs, all + * directions, and a planemask by adjusting the ROP and using the mono pattern + * registers. + * + * (That's a lie; we don't really support planemask.) + */ + +static void +SavageSetupForScreenToScreenCopy( + ScrnInfoPtr pScrn, + int xdir, + int ydir, + int rop, + unsigned planemask, + int transparency_color) +{ + SavagePtr psav = SAVPTR(pScrn); + int cmd; + + cmd = BCI_CMD_RECT | BCI_CMD_DEST_PBD_NEW | BCI_CMD_SRC_SBD_COLOR_NEW; + + BCI_CMD_SET_ROP( cmd, XAAGetCopyROP(rop) ); + if (transparency_color != -1) + cmd |= BCI_CMD_SEND_COLOR | BCI_CMD_SRC_TRANSPARENT; + + if (xdir == 1 ) cmd |= BCI_CMD_RECT_XP; + if (ydir == 1 ) cmd |= BCI_CMD_RECT_YP; + + psav->SavedBciCmd = cmd; + psav->SavedBgColor = transparency_color; +} + +static void +SavageSubsequentScreenToScreenCopy( + ScrnInfoPtr pScrn, + int x1, + int y1, + int x2, + int y2, + int w, + int h) +{ + SavagePtr psav = SAVPTR(pScrn); + + BCI_GET_PTR; + + if (!w || !h) return; + + if (!(psav->SavedBciCmd & BCI_CMD_RECT_XP)) { + w --; + x1 += w; + x2 += w; + w ++; + } + if (!(psav->SavedBciCmd & BCI_CMD_RECT_YP)) { + h --; + y1 += h; + y2 += h; + h ++; + } + + psav->WaitQueue(psav,9); + + + BCI_SEND(psav->SavedBciCmd); + + BCI_SEND(psav->GlobalBD.bd2.LoPart); + BCI_SEND(psav->GlobalBD.bd2.HiPart); + + BCI_SEND(psav->GlobalBD.bd2.LoPart); + BCI_SEND(psav->GlobalBD.bd2.HiPart); + + if (psav->SavedBgColor != 0xffffffff) + BCI_SEND(psav->SavedBgColor); + BCI_SEND(BCI_X_Y(x1, y1)); + BCI_SEND(BCI_X_Y(x2, y2)); + BCI_SEND(BCI_W_H(w, h)); +} + + +/* + * SetupForSolidFill is also called to set up for lines. + */ + +static void +SavageSetupForSolidFill( + ScrnInfoPtr pScrn, + int color, + int rop, + unsigned int planemask) +{ + SavagePtr psav = SAVPTR(pScrn); + XAAInfoRecPtr xaaptr = GET_XAAINFORECPTR_FROM_SCRNINFOPTR( pScrn ); + int cmd; + int mix; + + cmd = BCI_CMD_RECT + | BCI_CMD_RECT_XP | BCI_CMD_RECT_YP + | BCI_CMD_DEST_PBD_NEW | BCI_CMD_SRC_SOLID; + + /* Don't send a color if we don't have to. */ + + if( rop == GXcopy ) + { + if( color == 0 ) + rop = GXclear; + else if( (unsigned int)color == xaaptr->FullPlanemask ) + rop = GXset; + } + + mix = SavageHelpSolidROP( pScrn, &color, planemask, &rop ); + + if( mix & ROP_PAT ) + cmd |= BCI_CMD_SEND_COLOR; + + BCI_CMD_SET_ROP( cmd, rop ); + + psav->SavedBciCmd = cmd; + psav->SavedFgColor = color; +} + + +static void +SavageSubsequentSolidFillRect( + ScrnInfoPtr pScrn, + int x, + int y, + int w, + int h) +{ + SavagePtr psav = SAVPTR(pScrn); + BCI_GET_PTR; + + if( !w || !h ) + return; + + psav->WaitQueue(psav,7); + + BCI_SEND(psav->SavedBciCmd); + + BCI_SEND(psav->GlobalBD.bd2.LoPart); + BCI_SEND(psav->GlobalBD.bd2.HiPart); + + if( psav->SavedBciCmd & BCI_CMD_SEND_COLOR ) + BCI_SEND(psav->SavedFgColor); + BCI_SEND(BCI_X_Y(x, y)); + BCI_SEND(BCI_W_H(w, h)); +} + +static void +SavageSetupForCPUToScreenColorExpandFill( + ScrnInfoPtr pScrn, + int fg, + int bg, + int rop, + unsigned int planemask) +{ + SavagePtr psav = SAVPTR(pScrn); + int cmd; + int mix; + + cmd = BCI_CMD_RECT | BCI_CMD_RECT_XP | BCI_CMD_RECT_YP + | BCI_CMD_CLIP_LR + | BCI_CMD_DEST_PBD_NEW | BCI_CMD_SRC_MONO; + + mix = SavageHelpPatternROP( pScrn, &fg, &bg, planemask, &rop ); + + if( mix & ROP_PAT ) + cmd |= BCI_CMD_SEND_COLOR; + + BCI_CMD_SET_ROP( cmd, rop ); + + if (bg != -1) + cmd |= BCI_CMD_SEND_COLOR; + else + cmd |= BCI_CMD_SRC_TRANSPARENT; + + psav->SavedBciCmd = cmd; + psav->SavedFgColor = fg; + psav->SavedBgColor = bg; +} + + +static void +SavageSubsequentScanlineCPUToScreenColorExpandFill( + ScrnInfoPtr pScrn, + int x, + int y, + int w, + int h, + int skipleft) +{ + SavagePtr psav = SAVPTR(pScrn); + BCI_GET_PTR; + + /* XAA will be sending bitmap data next. */ + /* We should probably wait for empty/idle here. */ + + psav->WaitQueue(psav,22); + + BCI_SEND(psav->SavedBciCmd); + + BCI_SEND(psav->GlobalBD.bd2.LoPart); + BCI_SEND(psav->GlobalBD.bd2.HiPart); + + BCI_SEND(BCI_CLIP_LR(x+skipleft, x+w-1)); + w = (w + 31) & ~31; + if( psav->SavedBciCmd & BCI_CMD_SEND_COLOR ) + BCI_SEND(psav->SavedFgColor); + if( psav->SavedBgColor != 0xffffffff ) + BCI_SEND(psav->SavedBgColor); + BCI_SEND(BCI_X_Y(x, y)); + BCI_SEND(BCI_W_H(w, 1)); + + psav->Rect.x = x; + psav->Rect.y = y + 1; + psav->Rect.width = w; + psav->Rect.height = h - 1; +} + +static void +SavageSubsequentColorExpandScanline( + ScrnInfoPtr pScrn, + int buffer_no) +{ + /* This gets call after each scanline's image data has been sent. */ + SavagePtr psav = SAVPTR(pScrn); + xRectangle xr = psav->Rect; + BCI_GET_PTR; + + if( xr.height ) + { + psav->WaitQueue(psav,20); + BCI_SEND(BCI_X_Y( xr.x, xr.y)); + BCI_SEND(BCI_W_H( xr.width, 1 )); + psav->Rect.height--; + psav->Rect.y++; + } +} + + +/* + * The meaning of the two pattern paremeters to Setup & Subsequent for + * Mono8x8Patterns varies depending on the flag bits. We specify + * HW_PROGRAMMED_BITS, which means our hardware can handle 8x8 patterns + * without caching in the frame buffer. Thus, Setup gets the pattern bits. + * There is no way with BCI to rotate an 8x8 pattern, so we do NOT specify + * HW_PROGRAMMED_ORIGIN. XAA wil rotate it for us and pass the rotated + * pattern to both Setup and Subsequent. If we DID specify PROGRAMMED_ORIGIN, + * then Setup would get the unrotated pattern, and Subsequent gets the + * origin values. + */ + +static void +SavageSetupForMono8x8PatternFill( + ScrnInfoPtr pScrn, + int patternx, + int patterny, + int fg, + int bg, + int rop, + unsigned int planemask) +{ + SavagePtr psav = SAVPTR(pScrn); + int cmd; + int mix; + + mix = XAAHelpPatternROP( pScrn, &fg, &bg, planemask, &rop ); + + cmd = BCI_CMD_RECT | BCI_CMD_RECT_XP | BCI_CMD_RECT_YP + | BCI_CMD_DEST_PBD_NEW; + + if( mix & ROP_PAT ) + cmd |= BCI_CMD_SEND_COLOR | BCI_CMD_PAT_MONO; + + if (bg == -1) + cmd |= BCI_CMD_PAT_TRANSPARENT; + + BCI_CMD_SET_ROP(cmd, rop); + + psav->SavedBciCmd = cmd; + psav->SavedFgColor = fg; + psav->SavedBgColor = bg; +} + + +static void +SavageSubsequentMono8x8PatternFillRect( + ScrnInfoPtr pScrn, + int pattern0, + int pattern1, + int x, + int y, + int w, + int h) +{ + SavagePtr psav = SAVPTR(pScrn); + BCI_GET_PTR; + + /* + * I didn't think it was my job to do trivial rejection, but + * miFillGeneralPolygon definitely generates null spans, and XAA + * just passes them through. + */ + + if( !w || !h ) + return; + + psav->WaitQueue(psav,9); + BCI_SEND(psav->SavedBciCmd); + + BCI_SEND(psav->GlobalBD.bd2.LoPart); + BCI_SEND(psav->GlobalBD.bd2.HiPart); + + if( psav->SavedBciCmd & BCI_CMD_SEND_COLOR ) + BCI_SEND(psav->SavedFgColor); + if( psav->SavedBgColor != 0xffffffff ) + BCI_SEND(psav->SavedBgColor); + BCI_SEND(BCI_X_Y(x, y)); + BCI_SEND(BCI_W_H(w, h)); + if( psav->SavedBciCmd & BCI_CMD_PAT_MONO ) + { + BCI_SEND(pattern0); + BCI_SEND(pattern1); + } +} + + +#if 0 +static void +SavageSetupForColor8x8PatternFill( + ScrnInfoPtr pScrn, + int patternx, + int patterny, + int rop, + unsigned planemask, + int trans_col) +{ + SavagePtr psav = SAVPTR(pScrn); + + int cmd; + unsigned int bd; + int pat_offset; + + /* ViRGEs and Savages do not support transparent color patterns. */ + /* We set the NO_TRANSPARENCY bit, so we should never receive one. */ + + pat_offset = (int) (patternx * psav->Bpp + patterny * psav->Bpl); + + cmd = BCI_CMD_RECT | BCI_CMD_RECT_XP | BCI_CMD_RECT_YP + | BCI_CMD_DEST_GBD | BCI_CMD_PAT_PBD_COLOR_NEW; + + (void) XAAHelpSolidROP( pScrn, &trans_col, planemask, &rop ); + + BCI_CMD_SET_ROP(cmd, rop); + bd = BCI_BD_BW_DISABLE; + BCI_BD_SET_BPP(bd, pScrn->bitsPerPixel); + BCI_BD_SET_STRIDE(bd, 8); + + psav->SavedBciCmd = cmd; + psav->SavedSbdOffset = pat_offset; + psav->SavedSbd = bd; + psav->SavedBgColor = trans_col; +} + + +static void +SavageSubsequentColor8x8PatternFillRect( + ScrnInfoPtr pScrn, + int patternx, + int patterny, + int x, + int y, + int w, + int h) +{ + SavagePtr psav = SAVPTR(pScrn); + BCI_GET_PTR; + + if( !w || !h ) + return; + + psav->WaitQueue(psav,6); + BCI_SEND(psav->SavedBciCmd); + BCI_SEND(psav->SavedSbdOffset); + BCI_SEND(psav->SavedSbd); + BCI_SEND(BCI_X_Y(patternx,patterny)); + BCI_SEND(BCI_X_Y(x, y)); + BCI_SEND(BCI_W_H(w, h)); +} +#endif + +static void +SavageSubsequentSolidBresenhamLine( + ScrnInfoPtr pScrn, + int x1, + int y1, + int e1, + int e2, + int err, + int length, + int octant) +{ + SavagePtr psav = SAVPTR(pScrn); + BCI_GET_PTR; + int cmd; + + cmd = (psav->SavedBciCmd & 0x00ffffff); + cmd |= BCI_CMD_LINE_LAST_PIXEL; + +#ifdef DEBUG_EXTRA + ErrorF("BresenhamLine, (%4d,%4d), len %4d, oct %d, err %4d,%4d,%4d clr %08x\n", + x1, y1, length, octant, e1, e2, err, psav->SavedFgColor ); +#endif + + psav->WaitQueue(psav, 7 ); + BCI_SEND(cmd); + + BCI_SEND(psav->GlobalBD.bd2.LoPart); + BCI_SEND(psav->GlobalBD.bd2.HiPart); + + if( cmd & BCI_CMD_SEND_COLOR ) + BCI_SEND( psav->SavedFgColor ); + BCI_SEND(BCI_LINE_X_Y(x1, y1)); + BCI_SEND(BCI_LINE_STEPS(e2-e1, e2)); + BCI_SEND(BCI_LINE_MISC(length, + (octant & YMAJOR), + !(octant & XDECREASING), + !(octant & YDECREASING), + e2+err)); +} + +static void +SavageSetClippingRectangle( + ScrnInfoPtr pScrn, + int x1, + int y1, + int x2, + int y2) +{ + SavagePtr psav = SAVPTR(pScrn); + BCI_GET_PTR; + int cmd; + +#ifdef DEBUG_EXTRA + ErrorF("ClipRect, (%4d,%4d)-(%4d,%4d) \n", x1, y1, x2, y2 ); +#endif + + cmd = BCI_CMD_NOP | BCI_CMD_CLIP_NEW; + psav->WaitQueue(psav,3); + BCI_SEND(cmd); + BCI_SEND(BCI_CLIP_TL(y1, x1)); + BCI_SEND(BCI_CLIP_BR(y2, x2)); + psav->SavedBciCmd |= BCI_CMD_CLIP_CURRENT; +} + + +static void SavageDisableClipping( ScrnInfoPtr pScrn ) +{ + SavagePtr psav = SAVPTR(pScrn); +#ifdef DEBUG_EXTRA + ErrorF("Kill ClipRect\n"); +#endif + psav->SavedBciCmd &= ~BCI_CMD_CLIP_CURRENT; +} + +void +SavageWriteBitmapCPUToScreenColorExpand ( + ScrnInfoPtr pScrn, + int x, int y, int w, int h, + unsigned char * src, + int srcwidth, + int skipleft, + int fg, int bg, + int rop, + unsigned int planemask +) +{ + SavagePtr psav = SAVPTR(pScrn); + BCI_GET_PTR; + int i, j, count, reset; + unsigned int cmd; + CARD32 * srcp; + +/* We aren't using planemask at all here... */ + + if( !srcwidth ) + return; + + cmd = BCI_CMD_RECT | BCI_CMD_RECT_XP | BCI_CMD_RECT_YP + | BCI_CMD_SEND_COLOR | BCI_CMD_CLIP_LR + | BCI_CMD_DEST_PBD_NEW | BCI_CMD_SRC_MONO; + cmd |= XAAGetCopyROP(rop) << 16; + + if( bg == -1 ) + cmd |= BCI_CMD_SRC_TRANSPARENT; + + BCI_SEND(cmd); + + BCI_SEND(psav->GlobalBD.bd2.LoPart); + BCI_SEND(psav->GlobalBD.bd2.HiPart); + + BCI_SEND(BCI_CLIP_LR(x+skipleft, x+w-1)); + BCI_SEND(fg); + if( bg != -1 ) + BCI_SEND(bg); + + /* Bitmaps come in in units of DWORDS, LSBFirst. This is exactly */ + /* reversed of what we expect. */ + + count = (w + 31) / 32; +/* src += ((srcx & ~31) / 8); */ + + /* The BCI region is 128k bytes. A screen-sized mono bitmap can */ + /* exceed that. */ + + reset = 65536 / count; + + for (j = 0; j < h; j ++) { + BCI_SEND(BCI_X_Y(x, y+j)); + BCI_SEND(BCI_W_H(w, 1)); + srcp = (CARD32 *) src; + for (i = count; i > 0; srcp ++, i --) { + /* We have to invert the bits in each byte. */ + CARD32 u = *srcp; + u = ((u & 0x0f0f0f0f) << 4) | ((u & 0xf0f0f0f0) >> 4); + u = ((u & 0x33333333) << 2) | ((u & 0xcccccccc) >> 2); + u = ((u & 0x55555555) << 1) | ((u & 0xaaaaaaaa) >> 1); + BCI_SEND(u); + } + src += srcwidth; + if( !--reset ) { + BCI_RESET; + reset = 65536 / count; + } + } +} + +void +SavageSetupForImageWrite( + ScrnInfoPtr pScrn, + int rop, + unsigned planemask, + int transparency_color, + int bpp, + int depth) +{ + SavagePtr psav = SAVPTR(pScrn); + int cmd; + + cmd = BCI_CMD_RECT | BCI_CMD_RECT_XP | BCI_CMD_RECT_YP + | BCI_CMD_CLIP_LR + | BCI_CMD_DEST_PBD_NEW | BCI_CMD_SRC_COLOR; + + cmd |= XAAGetCopyROP(rop) << 16; + + if( transparency_color != -1 ) + cmd |= BCI_CMD_SRC_TRANSPARENT; + + psav->SavedBciCmd = cmd; + psav->SavedBgColor = transparency_color; +} + + +void SavageSubsequentImageWriteRect +( + ScrnInfoPtr pScrn, + int x, + int y, + int w, + int h, + int skipleft) +{ + SavagePtr psav = SAVPTR(pScrn); + BCI_GET_PTR; + + psav->WaitQueue( psav, 8 ); + BCI_SEND(psav->SavedBciCmd); + + BCI_SEND(psav->GlobalBD.bd2.LoPart); + BCI_SEND(psav->GlobalBD.bd2.HiPart); + + BCI_SEND(BCI_CLIP_LR(x+skipleft, x+w-1)); + if( psav->SavedBgColor != 0xffffffff ) + BCI_SEND(psav->SavedBgColor); + BCI_SEND(BCI_X_Y(x, y)); + BCI_SEND(BCI_W_H(w, h)); +} + |