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Diffstat (limited to 'src/atidga.c')
| -rw-r--r-- | src/atidga.c | 479 |
1 files changed, 0 insertions, 479 deletions
diff --git a/src/atidga.c b/src/atidga.c deleted file mode 100644 index 9273f03a..00000000 --- a/src/atidga.c +++ /dev/null @@ -1,479 +0,0 @@ -/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/ati/atidga.c,v 1.10 2003/04/23 21:51:27 tsi Exp $ */ -/* - * Copyright 2000 through 2003 by Marc Aurele La France (TSI @ UQV), tsi@xfree86.org - * - * 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 Marc Aurele La France not be used in advertising or - * publicity pertaining to distribution of the software without specific, - * written prior permission. Marc Aurele La France makes no representations - * about the suitability of this software for any purpose. It is provided - * "as-is" without express or implied warranty. - * - * MARC AURELE LA FRANCE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO - * EVENT SHALL MARC AURELE LA FRANCE 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. - */ - -#ifndef AVOID_DGA - -#include "ati.h" -#include "atiadjust.h" -#include "atichip.h" -#include "atidac.h" -#include "atidga.h" -#include "atiident.h" -#include "atimode.h" -#include "atistruct.h" - -#include "dgaproc.h" - -/* - * ATIDGAOpenFramebuffer -- - * - * This function returns various framebuffer attributes to a DGA client. - */ -static Bool -ATIDGAOpenFramebuffer -( - ScrnInfoPtr pScreenInfo, - char **DeviceName, - unsigned char **ApertureBase, - int *ApertureSize, - int *ApertureOffset, - int *flags -) -{ - ATIPtr pATI = ATIPTR(pScreenInfo); - - *DeviceName = NULL; /* No special device */ - *ApertureBase = (unsigned char *)(pATI->LinearBase); - *ApertureSize = pScreenInfo->videoRam * 1024; - *ApertureOffset = 0; /* Always */ - *flags = 0; /* Root premissions OS-dependent */ - - return TRUE; -} - -static int -BitsSet -( - unsigned long data -) -{ - unsigned long mask = 1; - int set = 0; - - for (; mask; mask <<= 1) - if (data & mask) - set++; - - return set; -} - -/* - * ATIDGASetMode -- - * - * This function sets a graphics mode for a DGA client. - */ -static Bool -ATIDGASetMode -( - ScrnInfoPtr pScreenInfo, - DGAModePtr pDGAMode -) -{ - ATIPtr pATI = ATIPTR(pScreenInfo); - DisplayModePtr pMode; - int iScreen = pScreenInfo->scrnIndex; - int frameX0, frameY0; - - if (pDGAMode) - { - pMode = pDGAMode->mode; - pATI->depth = pDGAMode->depth; - pATI->bitsPerPixel = pDGAMode->bitsPerPixel; - pATI->displayWidth = - pDGAMode->bytesPerScanline * 8 / pATI->bitsPerPixel; - pATI->weight.red = BitsSet(pDGAMode->red_mask); - pATI->weight.green = BitsSet(pDGAMode->green_mask); - pATI->weight.blue = BitsSet(pDGAMode->blue_mask); - frameX0 = frameY0 = 0; - if (!pATI->currentMode) - pATI->currentMode = pScreenInfo->currentMode; - } - else - { - if (!(pMode = pATI->currentMode)) - return TRUE; - - pATI->depth = pScreenInfo->depth; - pATI->bitsPerPixel = pScreenInfo->bitsPerPixel; - pATI->displayWidth = pScreenInfo->displayWidth; - pATI->weight = pScreenInfo->weight; - frameX0 = pScreenInfo->frameX0; - frameY0 = pScreenInfo->frameY0; - } - - pATI->XModifier = pATI->bitsPerPixel / UnitOf(pATI->bitsPerPixel); - ATIAdjustPreInit(pATI); - ATIModePreInit(pScreenInfo, pATI, &pATI->NewHW); - - if (!(*pScreenInfo->SwitchMode)(iScreen, pMode, 0)) - return FALSE; - if (!pDGAMode) - pATI->currentMode = NULL; - (*pScreenInfo->AdjustFrame)(iScreen, frameX0, frameY0, 0); - - return TRUE; -} - -/* - * ATIDGASetViewport -- - * - * This function sets the display start address for a DGA client. - */ -static void -ATIDGASetViewport -( - ScrnInfoPtr pScreenInfo, - int x, - int y, - int flags -) -{ - (*pScreenInfo->AdjustFrame)(pScreenInfo->pScreen->myNum, x, y, flags); -} - -/* - * ATIDGAGetViewport -- - * - * This function returns the current status of prior DGA requests to set the - * adapter's display start address. - */ -static int -ATIDGAGetViewport -( - ScrnInfoPtr pScreenInfo -) -{ - return 0; /* There are never any pending requests */ -} - -/* - * ATIDGAFillRect -- - * - * This function calls XAA solid fill primitives to fill a rectangle. - */ -static void -ATIDGAFillRect -( - ScrnInfoPtr pScreenInfo, - int x, - int y, - int w, - int h, - unsigned long colour -) -{ - ATIPtr pATI = ATIPTR(pScreenInfo); - XAAInfoRecPtr pXAAInfo = pATI->pXAAInfo; - - (*pXAAInfo->SetupForSolidFill)(pScreenInfo, (int)colour, GXcopy, - (CARD32)(~0)); - (*pXAAInfo->SubsequentSolidFillRect)(pScreenInfo, x, y, w, h); - - if (pScreenInfo->bitsPerPixel == pATI->bitsPerPixel) - SET_SYNC_FLAG(pXAAInfo); -} - -/* - * ATIDGABlitRect -- - * - * This function calls XAA screen-to-screen copy primitives to copy a - * rectangle. - */ -static void -ATIDGABlitRect -( - ScrnInfoPtr pScreenInfo, - int xSrc, - int ySrc, - int w, - int h, - int xDst, - int yDst -) -{ - ATIPtr pATI = ATIPTR(pScreenInfo); - XAAInfoRecPtr pXAAInfo = pATI->pXAAInfo; - int xdir = ((xSrc < xDst) && (ySrc == yDst)) ? -1 : 1; - int ydir = (ySrc < yDst) ? -1 : 1; - - (*pXAAInfo->SetupForScreenToScreenCopy)(pScreenInfo, - xdir, ydir, GXcopy, (CARD32)(~0), -1); - (*pXAAInfo->SubsequentScreenToScreenCopy)(pScreenInfo, - xSrc, ySrc, xDst, yDst, w, h); - - if (pScreenInfo->bitsPerPixel == pATI->bitsPerPixel) - SET_SYNC_FLAG(pXAAInfo); -} - -/* - * ATIDGABlitTransRect -- - * - * This function calls XAA screen-to-screen copy primitives to transparently - * copy a rectangle. - */ -static void -ATIDGABlitTransRect -( - ScrnInfoPtr pScreenInfo, - int xSrc, - int ySrc, - int w, - int h, - int xDst, - int yDst, - unsigned long colour -) -{ - ATIPtr pATI = ATIPTR(pScreenInfo); - XAAInfoRecPtr pXAAInfo = pATI->pXAAInfo; - int xdir = ((xSrc < xDst) && (ySrc == yDst)) ? -1 : 1; - int ydir = (ySrc < yDst) ? -1 : 1; - - pATI->XAAForceTransBlit = TRUE; - - (*pXAAInfo->SetupForScreenToScreenCopy)(pScreenInfo, - xdir, ydir, GXcopy, (CARD32)(~0), (int)colour); - - pATI->XAAForceTransBlit = FALSE; - - (*pXAAInfo->SubsequentScreenToScreenCopy)(pScreenInfo, - xSrc, ySrc, xDst, yDst, w, h); - - if (pScreenInfo->bitsPerPixel == pATI->bitsPerPixel) - SET_SYNC_FLAG(pXAAInfo); -} - -/* - * ATIDGAAddModes -- - * - * This function translates DisplayModeRec's into DGAModeRec's. - */ -static void -ATIDGAAddModes -( - ScrnInfoPtr pScreenInfo, - ATIPtr pATI, - int flags, - int depth, - int bitsPerPixel, - int redMask, - int greenMask, - int blueMask, - int visualClass -) -{ - DisplayModePtr pMode = pScreenInfo->modes; - DGAModePtr pDGAMode; - int displayWidth = pScreenInfo->displayWidth; - int videoBits = pScreenInfo->videoRam * 1024 * 8; - int xViewportStep = 64 / UnitOf(bitsPerPixel); - int modePitch, bitsPerScanline, maxViewportY; - - if (bitsPerPixel != pScreenInfo->bitsPerPixel) - displayWidth = 0; - - while (1) - { - /* Weed out multiscanned modes */ - if ((pMode->VScan <= 1) || - ((pMode->VScan == 2) && !(pMode->Flags & V_DBLSCAN))) - { - /* - * For code simplicity, ensure DGA mode pitch is a multiple of 64 - * bytes. - */ - if (!(modePitch = displayWidth)) - { - modePitch = ((64 * 8) / UnitOf(bitsPerPixel)) - 1; - modePitch = (pMode->HDisplay + modePitch) & ~modePitch; - } - - /* Ensure the mode fits in video memory */ - if ((modePitch * bitsPerPixel * pMode->VDisplay) <= videoBits) - { - /* Stop generating modes on out-of-memory conditions */ - pDGAMode = xrealloc(pATI->pDGAMode, - (pATI->nDGAMode + 1) * SizeOf(DGAModeRec)); - if (!pDGAMode) - break; - - pATI->pDGAMode = pDGAMode; - pDGAMode += pATI->nDGAMode; - pATI->nDGAMode++; - (void)memset(pDGAMode, 0, SizeOf(DGAModeRec)); - - /* Fill in the mode structure */ - pDGAMode->mode = pMode; - pDGAMode->flags = flags; - if (bitsPerPixel == pScreenInfo->bitsPerPixel) - { - pDGAMode->flags |= DGA_PIXMAP_AVAILABLE; - pDGAMode->address = pATI->pMemory; - - if (pATI->pXAAInfo) - pDGAMode->flags &= ~DGA_CONCURRENT_ACCESS; - } - if ((pMode->Flags & V_DBLSCAN) || (pMode->VScan > 1)) - pDGAMode->flags |= DGA_DOUBLESCAN; - if (pMode->Flags & V_INTERLACE) - pDGAMode->flags |= DGA_INTERLACED; - - pDGAMode->byteOrder = pScreenInfo->imageByteOrder; - pDGAMode->depth = depth; - pDGAMode->bitsPerPixel = bitsPerPixel; - pDGAMode->red_mask = redMask; - pDGAMode->green_mask = greenMask; - pDGAMode->blue_mask = blueMask; - pDGAMode->visualClass = visualClass; - - pDGAMode->viewportWidth = pMode->HDisplay; - pDGAMode->viewportHeight = pMode->VDisplay; - pDGAMode->xViewportStep = xViewportStep; - pDGAMode->yViewportStep = 1; - - bitsPerScanline = modePitch * bitsPerPixel; - pDGAMode->bytesPerScanline = bitsPerScanline / 8; - pDGAMode->imageWidth = pDGAMode->pixmapWidth = modePitch; - pDGAMode->imageHeight = pDGAMode->pixmapHeight = - videoBits / bitsPerScanline; - - pDGAMode->maxViewportX = - pDGAMode->imageWidth - pDGAMode->viewportWidth; - pDGAMode->maxViewportY = - pDGAMode->imageHeight - pDGAMode->viewportHeight; - maxViewportY = - ((((pATI->AdjustMaxBase * 8) / bitsPerPixel) + - xViewportStep) / modePitch) - 1; - if (maxViewportY < pDGAMode->maxViewportY) - pDGAMode->maxViewportY = maxViewportY; - } - } - - if ((pMode = pMode->next) == pScreenInfo->modes) - { - if (!displayWidth) - break; - - displayWidth = 0; - } - } -} - -/* - * ATIDGAInit -- - * - * This function initialises the driver's support for the DGA extension. - */ -Bool -ATIDGAInit -( - ScreenPtr pScreen, - ScrnInfoPtr pScreenInfo, - ATIPtr pATI -) -{ - XAAInfoRecPtr pXAAInfo; - int flags; - - if (!pATI->nDGAMode) - { - -#ifndef AVOID_CPIO - - /* - * Contrary to previous extension versions, DGA 2 does not support - * banked framebuffers. Also, disable DGA when non-DGA server modes - * are planar. - */ - if (pATI->BankInfo.BankSize || (pScreenInfo->depth <= 4)) - return FALSE; - -#endif /* AVOID_CPIO */ - - /* Set up DGA callbacks */ - pATI->ATIDGAFunctions.OpenFramebuffer = ATIDGAOpenFramebuffer; - pATI->ATIDGAFunctions.SetMode = ATIDGASetMode; - pATI->ATIDGAFunctions.SetViewport = ATIDGASetViewport; - pATI->ATIDGAFunctions.GetViewport = ATIDGAGetViewport; - - flags = 0; - if ((pXAAInfo = pATI->pXAAInfo)) - { - pATI->ATIDGAFunctions.Sync = pXAAInfo->Sync; - if (pXAAInfo->SetupForSolidFill && - pXAAInfo->SubsequentSolidFillRect) - { - flags |= DGA_FILL_RECT; - pATI->ATIDGAFunctions.FillRect = ATIDGAFillRect; - } - if (pXAAInfo->SetupForScreenToScreenCopy && - pXAAInfo->SubsequentScreenToScreenCopy) - { - flags |= DGA_BLIT_RECT | DGA_BLIT_RECT_TRANS; - pATI->ATIDGAFunctions.BlitRect = ATIDGABlitRect; - pATI->ATIDGAFunctions.BlitTransRect = ATIDGABlitTransRect; - } - } - if (!flags) - flags = DGA_CONCURRENT_ACCESS; - - ATIDGAAddModes(pScreenInfo, pATI, flags, - 8, 8, 0, 0, 0, PseudoColor); - - if ((pATI->Chip >= ATI_CHIP_264CT) && - (pATI->Chipset == ATI_CHIPSET_ATI)) - { - ATIDGAAddModes(pScreenInfo, pATI, flags, - 15, 16, 0x7C00U, 0x03E0U, 0x001FU, TrueColor); - - ATIDGAAddModes(pScreenInfo, pATI, flags, - 16, 16, 0xF800U, 0x07E0U, 0x001FU, TrueColor); - - ATIDGAAddModes(pScreenInfo, pATI, flags, - 24, 24, 0x00FF0000U, 0x0000FF00U, 0x000000FFU, TrueColor); - - ATIDGAAddModes(pScreenInfo, pATI, flags, - 24, 32, 0x00FF0000U, 0x0000FF00U, 0x000000FFU, TrueColor); - - if (pATI->DAC != ATI_DAC_INTERNAL) /* Not first revision */ - { - ATIDGAAddModes(pScreenInfo, pATI, flags, - 15, 16, 0x7C00U, 0x03E0U, 0x001FU, DirectColor); - - ATIDGAAddModes(pScreenInfo, pATI, flags, - 16, 16, 0xF800U, 0x07E0U, 0x001FU, DirectColor); - - ATIDGAAddModes(pScreenInfo, pATI, flags, - 24, 24, 0x00FF0000U, 0x0000FF00U, 0x000000FFU, DirectColor); - - ATIDGAAddModes(pScreenInfo, pATI, flags, - 24, 32, 0x00FF0000U, 0x0000FF00U, 0x000000FFU, DirectColor); - } - } - } - - return DGAInit(pScreen, &pATI->ATIDGAFunctions, pATI->pDGAMode, - pATI->nDGAMode); -} - -#endif /* AVOID_DGA */ |