/* * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved. * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved. * * 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, sub license, * 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 (including the * next paragraph) 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 NON-INFRINGEMENT. IN NO EVENT SHALL * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS 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. */ #include "Xarch.h" #include "xaalocal.h" #include "xaarop.h" #include "miline.h" #include "savage_driver.h" #include "savage_regs.h" #include "savage_bci.h" #include "savage_dri.h" #include "dri.h" /* Forward declaration of functions used in the driver */ 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 planemask); static void SavageSubsequentSolidFillRect( ScrnInfoPtr pScrn, int x, int y, int w, int h); #if 0 static int SavageCheckLineparameters(int * x1,int * y1,int * x2,int * y2); endif static void SavageSubsequentSolidBresenhamLine( ScrnInfoPtr pScrn, int x1, int y1, int e1, int e2, int err, int length, int octant); #if 0 static void SavageSubsequentSolidTwoPointLine( ScrnInfoPtr pScrn, int x1, int y1, int x2, int y2, int bias); #endif static void SavageSubsequentSolidHorVertLine( ScrnInfoPtr pScrn, int x, int y, int len, int dir); #if 0 static void SavageSetupForScreenToScreenColorExpand( ScrnInfoPtr pScrn, int bg, int fg, int rop, unsigned planemask); static void SavageSubsequentScreenToScreenColorExpand( ScrnInfoPtr pScrn, int x, int y, int w, int h, int skipleft); #endif static void SavageSetupForCPUToScreenColorExpandFill( ScrnInfoPtr pScrn, int fg, int bg, int rop, unsigned 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 planemask); static void SavageSubsequentMono8x8PatternFillRect( ScrnInfoPtr pScrn, int pattern0, int pattern1, int x, int y, int w, int h); static void SavageSetupForColor8x8PatternFill( ScrnInfoPtr pScrn, int patternx, int patterny, int rop, unsigned planemask, int trans_col); static void SavageSubsequentColor8x8PatternFillRect( 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 ); #if 0 static void SavageSubsequentSolidFillTrap( ScrnInfoPtr pScrn, int y, int h, int left, int dxl, int dyl, int el, int right, int dxr, int dyr, int er); #endif /* 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 ); int SavageHelpSolidROP(ScrnInfoPtr, int *, int, int *); unsigned long writedw( unsigned long addr, unsigned long value ); unsigned long readdw( unsigned long addr ); unsigned long readfb( unsigned long addr ); unsigned long writefb( unsigned long addr, unsigned long value ); void writescan( unsigned long scan, unsigned long color ); /* * This is used to cache the last known value for routines we want to * call from the debugger. */ ScrnInfoPtr gpScrn = 0; /* Acceleration init function, sets up pointers to our accelerated functions */ Bool SavageInitAccel(ScreenPtr pScreen) { ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; SavagePtr psav = SAVPTR(pScrn); XAAInfoRecPtr xaaptr; BoxRec AvailFBArea; /* 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())) return FALSE; xaaptr->Flags = 0 | PIXMAP_CACHE | OFFSCREEN_PIXMAPS | LINEAR_FRAMEBUFFER ; /* Clipping */ xaaptr->SetClippingRectangle = SavageSetClippingRectangle; xaaptr->DisableClipping = SavageDisableClipping; xaaptr->ClippingFlags = 0 | HARDWARE_CLIP_SOLID_FILL | HARDWARE_CLIP_SOLID_LINE | HARDWARE_CLIP_DASHED_LINE | 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 = 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 | ROP_NEEDS_SOURCE | BIT_ORDER_IN_BYTE_MSBFIRST ; if(psav->Chipset == S3_SAVAGE4) xaaptr->Mono8x8PatternFillFlags |= NO_TRANSPARENCY; #endif /* Color 8x8 pattern fills */ /* * With the exception of the Savage3D and Savage4, all of the Savage * chips require that bitmap descriptors have a stride that is a * multiple of 16 pixels. This includes any descriptor used for * color pattern fills, which COMPLETELY screws the XAA 8x8 color * pattern support. * * We could double the width ourselves into a reserved frame buffer * section, but since I went 18 months with only ONE report of this * error, it seems hardly worth the trouble. */ #if 1 /*if( (psav->Chipset == S3_TWISTER) || (psav->Chipset == S3_SAVAGE3D) || (psav->Chipset == S3_SAVAGE4)) */ { xaaptr->SetupForColor8x8PatternFill = SavageSetupForColor8x8PatternFill; xaaptr->SubsequentColor8x8PatternFillRect = SavageSubsequentColor8x8PatternFillRect; xaaptr->Color8x8PatternFillFlags = 0 | NO_TRANSPARENCY | HARDWARE_PATTERN_PROGRAMMED_BITS | HARDWARE_PATTERN_PROGRAMMED_ORIGIN ; } #endif /* Solid lines */ #if 1 xaaptr->SolidLineFlags = NO_PLANEMASK; xaaptr->SetupForSolidLine = SavageSetupForSolidFill; xaaptr->SubsequentSolidHorVertLine = SavageSubsequentSolidHorVertLine; #endif #if 1 xaaptr->SubsequentSolidBresenhamLine = SavageSubsequentSolidBresenhamLine; #if 0 xaaptr->SubsequentSolidTwoPointLine = SavageSubsequentSolidTwoPointLine; xaaptr->SubsequentSolidFillTrap = SavageSubsequentSolidFillTrap; #endif xaaptr->SolidBresenhamLineErrorTermBits = 14; #endif /* ImageWrite */ #if 1 /* should this be enabled? it is in Tim's driver */ 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; #endif /* WriteBitmap color expand */ #if 0 xaaptr->WriteBitmapFlags = NO_PLANEMASK; xaaptr->WriteBitmap = SavageWriteBitmapCPUToScreenColorExpand; #endif /* Screen to Screen color expansion. Not implemented. */ #if 0 xaaptr->SetupForScreenToScreenColorExpand = SavageSetupForScreenToScreenColorExpand; xaaptr->SubsequentScreenToScreenColorExpand = SavageSubsequentCPUToScreenColorExpand; #endif /* 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; /* * 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. */ #ifdef XF86DRI if (psav->directRenderingEnabled) { SAVAGEDRIServerPrivatePtr pSAVAGEDRIServer = psav->DRIServerInfo; BoxRec MemBox; int cpp = pScrn->bitsPerPixel / 8; /*int widthBytes = pScrn->displayWidth * cpp;*/ int widthBytes = psav->lDelta; int bufferSize = ((pScrn->virtualY * widthBytes + SAVAGE_BUFFER_ALIGN) & ~SAVAGE_BUFFER_ALIGN); int tiledwidthBytes,tiledBufferSize; pSAVAGEDRIServer->frontbufferSize = bufferSize; tiledwidthBytes = psav->lDelta; if (cpp == 2) { tiledBufferSize = ((pScrn->virtualX+63)/64)*((pScrn->virtualY+15)/16) *2048; } else { tiledBufferSize = ((pScrn->virtualX+31)/32)*((pScrn->virtualY+15)/16) *2048; } /*set Depth buffer to 32bpp*/ /*tiledwidthBytes_Z = ((pScrn->virtualX + 31)& ~0x0000001F)*4; tiledBufferSize_Z = ((pScrn->virtualX+31)/32)*((pScrn->virtualY+15)/16) *2048;*/ pSAVAGEDRIServer->backbufferSize = tiledBufferSize; /*pSAVAGEDRIServer->depthbufferSize = tiledBufferSize_Z;*/ pSAVAGEDRIServer->depthbufferSize = tiledBufferSize; xf86DrvMsg(pScrn->scrnIndex,X_INFO, "virtualX:%d,virtualY:%d\n", pScrn->virtualX,pScrn->virtualY); xf86DrvMsg( pScrn->scrnIndex, X_INFO, "bpp:%d,tiledwidthBytes:%d,tiledBufferSize:%d \n", pScrn->bitsPerPixel, tiledwidthBytes,tiledBufferSize); xf86DrvMsg( pScrn->scrnIndex, X_INFO, "bpp:%d,widthBytes:%d,BufferSize:%d \n", pScrn->bitsPerPixel, widthBytes,bufferSize); pSAVAGEDRIServer->frontOffset = 0; pSAVAGEDRIServer->frontPitch = widthBytes; /* Try for front, back, depth, and two framebuffers worth of * pixmap cache. Should be enough for a fullscreen background * image plus some leftovers. */ /* pSAVAGEDRIServer->textureSize = psav->videoRambytes - tiledBufferSize - tiledBufferSize_Z - -0x602000;*/ pSAVAGEDRIServer->textureSize = psav->videoRambytes - 4096 - /* hw cursor*/ psav->cobSize - /*COB*/ bufferSize- tiledBufferSize - tiledBufferSize - 0x200000; xf86DrvMsg( pScrn->scrnIndex, X_INFO, "videoRambytes:0x%08lx \n", psav->videoRambytes); xf86DrvMsg( pScrn->scrnIndex, X_INFO, "textureSize:0x%08lx \n", pSAVAGEDRIServer->textureSize); /* If that gives us less than half the available memory, let's * be greedy and grab some more. Sorry, I care more about 3D * performance than playing nicely, and you'll get around a full * framebuffer's worth of pixmap cache anyway. */ #if 0 if ( pSAVAGEDRIServer->textureSize < (int)psav->FbMapSize / 2 ) { pSAVAGEDRIServer->textureSize = psav->FbMapSize - 4 * bufferSize; } #endif /* Check to see if there is more room available after the maximum * scanline for textures. */ #if 0 if ( (int)psav->FbMapSize - maxlines * widthBytes - bufferSize * 2 > pSAVAGEDRIServer->textureSize ) { pSAVAGEDRIServer->textureSize = (psav->FbMapSize - maxlines * widthBytes - bufferSize * 2); } #endif /* Set a minimum usable local texture heap size. This will fit * two 256x256x32bpp textures. */ if ( pSAVAGEDRIServer->textureSize < 512 * 1024 ) { pSAVAGEDRIServer->textureOffset = 0; pSAVAGEDRIServer->textureSize = 0; } xf86DrvMsg( pScrn->scrnIndex, X_INFO, "textureSize:0x%08lx \n", pSAVAGEDRIServer->textureSize); /* Reserve space for textures */ /* if (pSAVAGEDRIServer->textureSize)*/ pSAVAGEDRIServer->textureOffset = (psav->videoRambytes - 4096 - /* hw cursor*/ psav->cobSize - /*COB*/ pSAVAGEDRIServer->textureSize) & ~SAVAGE_BUFFER_ALIGN; xf86DrvMsg( pScrn->scrnIndex, X_INFO, "textureOffset:0x%08lx \n", pSAVAGEDRIServer->textureOffset); /* Reserve space for the shared depth buffer */ /*pSAVAGEDRIServer->depthOffset = (pSAVAGEDRIServer->textureOffset - tiledBufferSize_Z + SAVAGE_BUFFER_ALIGN) & ~SAVAGE_BUFFER_ALIGN; */ pSAVAGEDRIServer->depthOffset = (pSAVAGEDRIServer->textureOffset - tiledBufferSize) & ~SAVAGE_BUFFER_ALIGN; /*pSAVAGEDRIServer->depthPitch = tiledwidthBytes_Z;*/ pSAVAGEDRIServer->depthPitch = tiledwidthBytes; xf86DrvMsg( pScrn->scrnIndex, X_INFO, "depthOffset:0x%08lx,depthPicth:%d\n", pSAVAGEDRIServer->depthOffset,pSAVAGEDRIServer->depthPitch); /* Reserve space for the shared back buffer */ pSAVAGEDRIServer->backOffset = (pSAVAGEDRIServer->depthOffset - tiledBufferSize ) & ~SAVAGE_BUFFER_ALIGN; pSAVAGEDRIServer->backPitch = tiledwidthBytes; xf86DrvMsg( pScrn->scrnIndex, X_INFO, "backOffset:0x%08lx,backPicth:%d\n", pSAVAGEDRIServer->backOffset,pSAVAGEDRIServer->backPitch); /*scanlines = pSAVAGEDRIServer->backOffset / widthBytes - 1;*/ /*if ( scanlines > maxlines ) scanlines = maxlines;*/ /* CR47983, XvMC do not work on system with frame buffer less than 32MB. * VBE reports frame buffer size a little less than 16MB, this makes the condition * truns out FALSE. * Now just reduce the level to 14.5MB, things should be OK, while the hwmc frame buffer layout * caculation need more understanding and should be fixed. */ /*if total memory is less than 16M, there is no HWMC support */ if(psav->videoRambytes < /*16*/(14*1024+512)*1024L) { psav->hwmcOffset = 0; psav->hwmcSize = 0; } else { psav->hwmcSize = (10*1024+512)*1024; /* HWMC needs 10MB FB */ psav->hwmcOffset = (psav->videoRambytes - 0x2000 - psav->hwmcSize) & ~SAVAGE_BUFFER_ALIGN; if (psav->hwmcOffset < bufferSize) { /* If hwmc buffer will lay in on-screen buffer. */ psav->hwmcSize = 0; psav->hwmcOffset = 0; } } /* CR48438: Title: "Lots of garbage appear on the background when * drag the DVD player XINE window at 1024x768 or higher mode." * hwmc used xserver's memory, now xserver will get less memory. * Both 3D and hwmc's memory usage are considered now. */ if (pSAVAGEDRIServer->backOffset < psav->hwmcOffset ) psav->cyMemory = pSAVAGEDRIServer->backOffset / widthBytes - 1; else psav->cyMemory = psav->hwmcOffset / widthBytes -1; if (psav->cyMemory > 0x7FFF) { psav->cyMemory = 0x7FFF; } MemBox.x1 = 0; MemBox.y1 = 0; MemBox.x2 = psav->cxMemory; MemBox.y2 = psav->cyMemory; if (!xf86InitFBManager(pScreen, &MemBox)) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Memory manager initialization to (%d,%d) (%d,%d) failed\n", MemBox.x1, MemBox.y1, MemBox.x2, MemBox.y2 ); return FALSE; } else { int tmp,width, height; xf86DrvMsg( pScrn->scrnIndex, X_INFO, "Memory manager initialized to (%d,%d) (%d,%d)\n", MemBox.x1, MemBox.y1, MemBox.x2, MemBox.y2 ); /* * 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); if (xf86QueryLargestOffscreenArea(pScreen, &width, &height, 0, 0, 0 ) ) { xf86DrvMsg( pScrn->scrnIndex, X_INFO, "Largest offscreen area available: %d x %d\n", width, height ); } } psav->reserved = 0; if(tiledBufferSize > bufferSize) { psav->reserved = xf86AllocateOffscreenLinear(pScreen, (tiledBufferSize - bufferSize),1,0,0,0); } if(psav->reserved) xf86DrvMsg( pScrn->scrnIndex, X_INFO, "Reserved for tiled front buffer at offset 0x%08lx ,size:0x%08lx\n", psav->reserved->offset, psav->reserved->size); xf86DrvMsg( pScrn->scrnIndex, X_INFO, "Reserved back buffer at offset 0x%x\n", pSAVAGEDRIServer->backOffset ); xf86DrvMsg( pScrn->scrnIndex, X_INFO, "Reserved depth buffer at offset 0x%x\n", pSAVAGEDRIServer->depthOffset ); xf86DrvMsg( pScrn->scrnIndex, X_INFO, "Reserved %d kb for textures at offset 0x%x\n", pSAVAGEDRIServer->textureSize/1024, pSAVAGEDRIServer->textureOffset ); } else #endif { int tmp; /* * why this code? because BoxRec members are short int * if cyMemory is bigger than 0x7fff,then it will overflow */ if (psav->cyMemory > 0x7FFF) { psav->cyMemory = 0x7FFF; } 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, 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 = XAACopyROP[*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 = XAACopyROP_PM[*rop]; } return ret; } int SavageHelpSolidROP(ScrnInfoPtr pScrn, int *fg, 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 = XAACopyROP[*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 = XAACopyROP_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_GBD | BCI_CMD_SRC_GBD; BCI_CMD_SET_ROP( cmd, XAACopyROP[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,6); BCI_SEND(psav->SavedBciCmd); /* if( psav->SavedBciCmd & BCI_CMD_CLIP_NEW){ BCI_SEND(psav->SavedClipTopLeft); BCI_SEND(psav->SavedClipBottomRight); } */ if (psav->SavedBgColor != -1) 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 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_GBD | 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( 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,5); BCI_SEND(psav->SavedBciCmd); /* if( psav->SavedBciCmd & BCI_CMD_CLIP_NEW){ BCI_SEND(psav->SavedClipTopLeft); BCI_SEND(psav->SavedClipBottomRight); }*/ 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)); } #if 0 static void SavageSetupForScreenToScreenColorExpand( ScrnInfoPtr pScrn, int bg, int fg, int rop, unsigned planemask) { /* SavagePtr psav = SAVPTR(pScrn); */ } static void SavageSubsequentScreenToScreenColorExpand( ScrnInfoPtr pScrn, int x, int y, int w, int h, int skipleft) { /* SavagePtr psav = SAVPTR(pScrn); */ } #endif static void SavageSetupForCPUToScreenColorExpandFill( ScrnInfoPtr pScrn, int fg, int bg, int rop, unsigned 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_GBD | 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,20); BCI_SEND(psav->SavedBciCmd); 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 != -1 ) 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 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_GBD; 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,7); BCI_SEND(psav->SavedBciCmd); /* if( psav->SavedBciCmd & BCI_CMD_CLIP_NEW){ BCI_SEND(psav->SavedClipTopLeft); BCI_SEND(psav->SavedClipBottomRight); } */ if( psav->SavedBciCmd & BCI_CMD_SEND_COLOR ) BCI_SEND(psav->SavedFgColor); if( psav->SavedBgColor != -1 ) 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); } } static void SavageSetupForColor8x8PatternFill( ScrnInfoPtr pScrn, int patternx, int patterny, int rop, unsigned planemask, int trans_col) { SavagePtr psav = SAVPTR(pScrn); int cmd; int mix; 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_SBD_COLOR_NEW; mix = 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)); /* if( psav->SavedBciCmd & BCI_CMD_CLIP_NEW){ BCI_SEND(psav->SavedClipTopLeft); BCI_SEND(psav->SavedClipBottomRight); }*/ BCI_SEND(BCI_X_Y(x, y)); BCI_SEND(BCI_W_H(w, h)); } #if 0 static int SavageCheckLineparameters(int * x1,int * y1,int * x2,int * y2) { float k; if ( *x1 < 0 && *x2 < 0 ) return 0; if ( *y1<0 && *y2 <0 ) return 0; k = (float)(*y2 - *y1)/(*x2 - *x1); if ( *x1 < 0 ) { *y1 = *y1 - k*(*x1); *x1 = 0; } if ( *y1 < 0 ) { *x1 = *x1-(*y1)/k; *y1 = 0; } if ( *x1 < 0 && *y1 < 0 ) return 0; if ( *x2 < 0 ) { *y2 = *y2 -k*(*x2); *x2 = 0; } if ( *y2 < 0 ) { *x2 = *x2-(*y2)/k; *y2 = 0; } if ( *x2 < 0 && *y2 < 0) return 0; return 1; } #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, 5 ); BCI_SEND(cmd); /* if( psav->SavedBciCmd & BCI_CMD_CLIP_NEW){ BCI_SEND(psav->SavedClipTopLeft); BCI_SEND(psav->SavedClipBottomRight); } */ 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)); } #if 0 static void SavageSubsequentSolidTwoPointLine( ScrnInfoPtr pScrn, int x1, int y1, int x2, int y2, int bias) { SavagePtr psav = SAVPTR(pScrn); BCI_GET_PTR; int cmd; int dx, dy; int min, max, xp, yp, ym; if ( S3_SAVAGE4_SERIES(psav->Chipset) || S3_SAVAGE3D_SERIES(psav->Chipset)) if ( x1 < 0 || x2 < 0 || y1 < 0 || y2 < 0 ) if ( !SavageCheckLineparameters(&x1,&y1,&x2,&y2)) return; dx = x2 - x1; dy = y2 - y1; #ifdef DEBUG_EXTRA ErrorF("TwoPointLine, (%4d,%4d)-(%4d,%4d), clr %08x, last pt %s\n", x1, y1, x2, y2, psav->SavedFgColor, (bias & 0x100)?"NO ":"YES"); #endif xp = (dx >= 0); if( !xp ) { dx = -dx; } yp = (dy >= 0); if( !yp ) { dy = -dy; } ym = (dy > dx); if( ym ) { max = dy; min = dx; } else { max = dx; min = dy; } if( !(bias & 0x100) ) { max++; } cmd = (psav->SavedBciCmd & 0x00ffffff); cmd |= BCI_CMD_LINE_LAST_PIXEL; psav->WaitQueue(psav,5); /* if( psav->SavedBciCmd & BCI_CMD_CLIP_NEW){ BCI_SEND(psav->SavedClipTopLeft); BCI_SEND(psav->SavedClipBottomRight); } */ BCI_SEND( cmd ); if( cmd & BCI_CMD_SEND_COLOR ) BCI_SEND( psav->SavedFgColor ); BCI_SEND( BCI_LINE_X_Y( x1, y1 ) ); BCI_SEND( BCI_LINE_STEPS( 2 * (min - max), 2 * min ) ); BCI_SEND( BCI_LINE_MISC( max, ym, xp, yp, 2 * min - max ) ); } #endif static void SavageSubsequentSolidHorVertLine( ScrnInfoPtr pScrn, int x, int y, int len, int dir) { if(dir == DEGREES_0) { SavageSubsequentSolidFillRect(pScrn, x, y, len, 1); } else { SavageSubsequentSolidFillRect(pScrn, x, y, 1, len); } } 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->SavedClipTopLeft = BCI_CLIP_TL(y1,x1); psav->SavedClipBottomRight = 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_NEW; } /* Trapezoid solid fills. XAA passes the coordinates of the top start * and end points, and the slopes of the left and right vertexes. We * use this info to generate the bottom points. We use a mixture of * floating-point and fixed point logic; the biases are done in fixed * point. Essentially, these were determined experimentally. The function * passes xtest, but I suspect that it will not match cfb for large polygons. * * This code is from the ViRGE. We need to modify it for Savage if we ever * decide to turn it on. */ #if 0 void SavageSubsequentSolidFillTrap( ScrnInfoPtr pScrn, int y, int h, int left, int dxl, int dyl, int el, int right, int dxr, int dyr, int er) { int l_xdelta, r_xdelta; double lendx, rendx, dl_delta, dr_delta; int lbias, rbias; unsigned int cmd; double l_sgn = -1.0, r_sgn = -1.0; cmd |= (CMD_POLYFILL | CMD_AUTOEXEC | MIX_MONO_PATT) ; cmd |= (psav->SavedRectCmdForLine & (0xff << 17)); l_xdelta = -(dxl << 20)/ dyl; r_xdelta = -(dxr << 20)/ dyr; dl_delta = -(double) dxl / (double) dyl; dr_delta = -(double) dxr / (double) dyr; if (dl_delta < 0.0) l_sgn = 1.0; if (dr_delta < 0.0) r_sgn = 1.0; lendx = l_sgn * ((double) el / (double) dyl) + left + ((h - 1) * dxl) / (double) dyl; rendx = r_sgn * ((double) er / (double) dyr) + right + ((h - 1) * dxr) / (double) dyr; /* We now have four cases */ if (fabs(dl_delta) > 1.0) { /* XMAJOR line */ if (dxl > 0) { lbias = ((1 << 20) - h); } else { lbias = 0; } } else { if (dxl > 0) { lbias = ((1 << 20) - 1) + l_xdelta / 2; } else { lbias = 0; } } if (fabs(dr_delta) > 1.0) { /* XMAJOR line */ if (dxr > 0) { rbias = (1 << 20); } else { rbias = ((1 << 20) - 1); } } else { if (dxr > 0) { rbias = (1 << 20); } else { rbias = ((1 << 20) - 1); } } psav->WaitQueue(psav,8); CACHE_SETP_CMD_SET(cmd); SETP_PRDX(r_xdelta); SETP_PLDX(l_xdelta); SETP_PRXSTART(((int) (rendx * (double) (1 << 20))) + rbias); SETP_PLXSTART(((int) (lendx * (double) (1 << 20))) + lbias); SETP_PYSTART(y + h - 1); SETP_PYCNT((h) | 0x30000000); CACHE_SETB_CMD_SET(psav->SavedRectCmdForLine); } #endif /* Routines for debugging. */ unsigned long writedw( unsigned long addr, unsigned long value ) { SavagePtr psav = SAVPTR(gpScrn); OUTREG32( addr, value ); return INREG32( addr ); } unsigned long readdw( unsigned long addr ) { SavagePtr psav = SAVPTR(gpScrn); return INREG32( addr ); } unsigned long readfb( unsigned long addr ) { SavagePtr psav = SAVPTR(gpScrn); char * videobuffer = (char *) psav->FBBase; return *(volatile unsigned long*)(videobuffer + (addr & ~3) ); } unsigned long writefb( unsigned long addr, unsigned long value ) { SavagePtr psav = SAVPTR(gpScrn); char * videobuffer = (char *) psav->FBBase; *(unsigned long*)(videobuffer + (addr & ~3)) = value; return *(volatile unsigned long*)(videobuffer + (addr & ~3) ); } void writescan( unsigned long scan, unsigned long color ) { SavagePtr psav = SAVPTR(gpScrn); int i; char * videobuffer = (char *)psav->FBBase; videobuffer += scan * gpScrn->displayWidth * gpScrn->bitsPerPixel >> 3; for( i = gpScrn->displayWidth; --i; ) { switch( gpScrn->bitsPerPixel ) { case 8: *videobuffer++ = color; break; case 16: *(CARD16 *)videobuffer = color; videobuffer += 2; break; case 32: *(CARD32 *)videobuffer = color; videobuffer += 4; break; } } }