diff options
Diffstat (limited to 'src/r128_dga.c')
| -rw-r--r-- | src/r128_dga.c | 397 |
1 files changed, 0 insertions, 397 deletions
diff --git a/src/r128_dga.c b/src/r128_dga.c deleted file mode 100644 index 6c0013af..00000000 --- a/src/r128_dga.c +++ /dev/null @@ -1,397 +0,0 @@ -/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/ati/r128_dga.c,v 1.9 2002/10/30 12:52:12 alanh Exp $ */ -/* - * Authors: - * Ove Kåven <ovek@transgaming.com>, - * borrowing some code from the Chips and MGA drivers. - */ - - /* Driver data structures */ -#include "r128.h" -#include "r128_probe.h" - - /* X and server generic header files */ -#include "xf86.h" - - /* DGA support */ -#include "dgaproc.h" - -#ifdef XF86DRI -#include "r128_common.h" -#endif - -static Bool R128_OpenFramebuffer(ScrnInfoPtr, char **, unsigned char **, - int *, int *, int *); -static Bool R128_SetMode(ScrnInfoPtr, DGAModePtr); -static int R128_GetViewport(ScrnInfoPtr); -static void R128_SetViewport(ScrnInfoPtr, int, int, int); -static void R128_FillRect(ScrnInfoPtr, int, int, int, int, unsigned long); -static void R128_BlitRect(ScrnInfoPtr, int, int, int, int, int, int); -static void R128_BlitTransRect(ScrnInfoPtr, int, int, int, int, int, int, - unsigned long); - -static DGAModePtr R128SetupDGAMode(ScrnInfoPtr pScrn, - DGAModePtr modes, - int *num, - int bitsPerPixel, - int depth, - Bool pixmap, - int secondPitch, - unsigned long red, - unsigned long green, - unsigned long blue, - short visualClass) -{ - R128InfoPtr info = R128PTR(pScrn); - DGAModePtr newmodes = NULL; - DGAModePtr currentMode; - DisplayModePtr pMode; - DisplayModePtr firstMode; - unsigned int size; - int pitch; - int Bpp = bitsPerPixel >> 3; - -SECOND_PASS: - - pMode = firstMode = pScrn->modes; - - while (1) { - pitch = pScrn->displayWidth; - size = pitch * Bpp * pMode->VDisplay; - - if ((!secondPitch || (pitch != secondPitch)) && - (size <= info->FbMapSize)) { - - if (secondPitch) - pitch = secondPitch; - - if (!(newmodes = xrealloc(modes, (*num + 1) * sizeof(DGAModeRec)))) - break; - - modes = newmodes; - currentMode = modes + *num; - - currentMode->mode = pMode; - currentMode->flags = DGA_CONCURRENT_ACCESS; - - if (pixmap) - currentMode->flags |= DGA_PIXMAP_AVAILABLE; - - if (info->accel) { - if (info->accel->SetupForSolidFill && - info->accel->SubsequentSolidFillRect) - currentMode->flags |= DGA_FILL_RECT; - if (info->accel->SetupForScreenToScreenCopy && - info->accel->SubsequentScreenToScreenCopy) - currentMode->flags |= DGA_BLIT_RECT | DGA_BLIT_RECT_TRANS; - if (currentMode->flags & - (DGA_PIXMAP_AVAILABLE | DGA_FILL_RECT | - DGA_BLIT_RECT | DGA_BLIT_RECT_TRANS)) - currentMode->flags &= ~DGA_CONCURRENT_ACCESS; - } - if (pMode->Flags & V_DBLSCAN) - currentMode->flags |= DGA_DOUBLESCAN; - if (pMode->Flags & V_INTERLACE) - currentMode->flags |= DGA_INTERLACED; - - currentMode->byteOrder = pScrn->imageByteOrder; - currentMode->depth = depth; - currentMode->bitsPerPixel = bitsPerPixel; - currentMode->red_mask = red; - currentMode->green_mask = green; - currentMode->blue_mask = blue; - currentMode->visualClass = visualClass; - currentMode->viewportWidth = pMode->HDisplay; - currentMode->viewportHeight = pMode->VDisplay; - currentMode->xViewportStep = 8; - currentMode->yViewportStep = 1; - currentMode->viewportFlags = DGA_FLIP_RETRACE; - currentMode->offset = 0; - currentMode->address = (unsigned char*)info->LinearAddr; - currentMode->bytesPerScanline = pitch * Bpp; - currentMode->imageWidth = pitch; - currentMode->imageHeight = (info->FbMapSize - / currentMode->bytesPerScanline); - currentMode->pixmapWidth = currentMode->imageWidth; - currentMode->pixmapHeight = currentMode->imageHeight; - currentMode->maxViewportX = (currentMode->imageWidth - - currentMode->viewportWidth); - /* this might need to get clamped to some maximum */ - currentMode->maxViewportY = (currentMode->imageHeight - - currentMode->viewportHeight); - (*num)++; - } - - pMode = pMode->next; - if (pMode == firstMode) - break; - } - - if (secondPitch) { - secondPitch = 0; - goto SECOND_PASS; - } - - return modes; -} - -Bool -R128DGAInit(ScreenPtr pScreen) -{ - ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; - R128InfoPtr info = R128PTR(pScrn); - DGAModePtr modes = NULL; - int num = 0; - - /* 8 */ - modes = R128SetupDGAMode (pScrn, modes, &num, 8, 8, - (pScrn->bitsPerPixel == 8), - (pScrn->bitsPerPixel != 8) ? 0 : pScrn->displayWidth, - 0, 0, 0, PseudoColor); - - /* 15 */ - modes = R128SetupDGAMode (pScrn, modes, &num, 16, 15, - (pScrn->bitsPerPixel == 16), - (pScrn->depth != 15) ? 0 : pScrn->displayWidth, - 0x7c00, 0x03e0, 0x001f, TrueColor); - - modes = R128SetupDGAMode (pScrn, modes, &num, 16, 15, - (pScrn->bitsPerPixel == 16), - (pScrn->depth != 15) ? 0 : pScrn->displayWidth, - 0x7c00, 0x03e0, 0x001f, DirectColor); - - /* 16 */ - modes = R128SetupDGAMode (pScrn, modes, &num, 16, 16, - (pScrn->bitsPerPixel == 16), - (pScrn->depth != 16) ? 0 : pScrn->displayWidth, - 0xf800, 0x07e0, 0x001f, TrueColor); - - modes = R128SetupDGAMode (pScrn, modes, &num, 16, 16, - (pScrn->bitsPerPixel == 16), - (pScrn->depth != 16) ? 0 : pScrn->displayWidth, - 0xf800, 0x07e0, 0x001f, DirectColor); - - /* 24 */ - modes = R128SetupDGAMode (pScrn, modes, &num, 24, 24, - (pScrn->bitsPerPixel == 24), - (pScrn->bitsPerPixel != 24) ? 0 : pScrn->displayWidth, - 0xff0000, 0x00ff00, 0x0000ff, TrueColor); - - modes = R128SetupDGAMode (pScrn, modes, &num, 24, 24, - (pScrn->bitsPerPixel == 24), - (pScrn->bitsPerPixel != 24) ? 0 : pScrn->displayWidth, - 0xff0000, 0x00ff00, 0x0000ff, DirectColor); - - /* 32 */ - modes = R128SetupDGAMode (pScrn, modes, &num, 32, 24, - (pScrn->bitsPerPixel == 32), - (pScrn->bitsPerPixel != 32) ? 0 : pScrn->displayWidth, - 0xff0000, 0x00ff00, 0x0000ff, TrueColor); - - modes = R128SetupDGAMode (pScrn, modes, &num, 32, 24, - (pScrn->bitsPerPixel == 32), - (pScrn->bitsPerPixel != 32) ? 0 : pScrn->displayWidth, - 0xff0000, 0x00ff00, 0x0000ff, DirectColor); - - info->numDGAModes = num; - info->DGAModes = modes; - - info->DGAFuncs.OpenFramebuffer = R128_OpenFramebuffer; - info->DGAFuncs.CloseFramebuffer = NULL; - info->DGAFuncs.SetMode = R128_SetMode; - info->DGAFuncs.SetViewport = R128_SetViewport; - info->DGAFuncs.GetViewport = R128_GetViewport; - - info->DGAFuncs.Sync = NULL; - info->DGAFuncs.FillRect = NULL; - info->DGAFuncs.BlitRect = NULL; - info->DGAFuncs.BlitTransRect = NULL; - - if (info->accel) { - info->DGAFuncs.Sync = info->accel->Sync; - if (info->accel->SetupForSolidFill && - info->accel->SubsequentSolidFillRect) - info->DGAFuncs.FillRect = R128_FillRect; - if (info->accel->SetupForScreenToScreenCopy && - info->accel->SubsequentScreenToScreenCopy) { - info->DGAFuncs.BlitRect = R128_BlitRect; - info->DGAFuncs.BlitTransRect = R128_BlitTransRect; - } - } - - return DGAInit(pScreen, &(info->DGAFuncs), modes, num); -} - - -static Bool -R128_SetMode( - ScrnInfoPtr pScrn, - DGAModePtr pMode -){ - static R128FBLayout SavedLayouts[MAXSCREENS]; - int indx = pScrn->pScreen->myNum; - R128InfoPtr info = R128PTR(pScrn); - - if(!pMode) { /* restore the original mode */ - /* put the ScreenParameters back */ - if(info->DGAactive) - memcpy(&info->CurrentLayout, &SavedLayouts[indx], sizeof(R128FBLayout)); - - pScrn->currentMode = info->CurrentLayout.mode; - - pScrn->SwitchMode(indx, pScrn->currentMode, 0); -#ifdef XF86DRI - if (info->directRenderingEnabled) { - R128CCE_STOP(pScrn, info); - } -#endif - if (info->accelOn) - R128EngineInit(pScrn); -#ifdef XF86DRI - if (info->directRenderingEnabled) { - R128CCE_START(pScrn, info); - } -#endif - pScrn->AdjustFrame(indx, 0, 0, 0); - info->DGAactive = FALSE; - } else { - if(!info->DGAactive) { /* save the old parameters */ - memcpy(&SavedLayouts[indx], &info->CurrentLayout, sizeof(R128FBLayout)); - info->DGAactive = TRUE; - } - - info->CurrentLayout.bitsPerPixel = pMode->bitsPerPixel; - info->CurrentLayout.depth = pMode->depth; - info->CurrentLayout.displayWidth = pMode->bytesPerScanline / - (pMode->bitsPerPixel >> 3); - info->CurrentLayout.pixel_bytes = pMode->bitsPerPixel / 8; - info->CurrentLayout.pixel_code = (pMode->bitsPerPixel != 16 - ? pMode->bitsPerPixel - : pMode->depth); - /* R128ModeInit() will set the mode field */ - - pScrn->SwitchMode(indx, pMode->mode, 0); - -#ifdef XF86DRI - if (info->directRenderingEnabled) { - R128CCE_STOP(pScrn, info); - } -#endif - if (info->accelOn) - R128EngineInit(pScrn); -#ifdef XF86DRI - if (info->directRenderingEnabled) { - R128CCE_START(pScrn, info); - } -#endif - } - - return TRUE; -} - - - -static int -R128_GetViewport( - ScrnInfoPtr pScrn -){ - R128InfoPtr info = R128PTR(pScrn); - - return info->DGAViewportStatus; -} - - -static void -R128_SetViewport( - ScrnInfoPtr pScrn, - int x, int y, - int flags -){ - R128InfoPtr info = R128PTR(pScrn); - - pScrn->AdjustFrame(pScrn->pScreen->myNum, x, y, flags); - info->DGAViewportStatus = 0; /* FIXME */ -} - - -static void -R128_FillRect ( - ScrnInfoPtr pScrn, - int x, int y, int w, int h, - unsigned long color -){ - R128InfoPtr info = R128PTR(pScrn); - - (*info->accel->SetupForSolidFill)(pScrn, color, GXcopy, (CARD32)(~0)); - (*info->accel->SubsequentSolidFillRect)(pScrn, x, y, w, h); - - if (pScrn->bitsPerPixel == info->CurrentLayout.bitsPerPixel) - SET_SYNC_FLAG(info->accel); -} - -static void -R128_BlitRect( - ScrnInfoPtr pScrn, - int srcx, int srcy, - int w, int h, - int dstx, int dsty -){ - R128InfoPtr info = R128PTR(pScrn); - int xdir = ((srcx < dstx) && (srcy == dsty)) ? -1 : 1; - int ydir = (srcy < dsty) ? -1 : 1; - - (*info->accel->SetupForScreenToScreenCopy)( - pScrn, xdir, ydir, GXcopy, (CARD32)(~0), -1); - (*info->accel->SubsequentScreenToScreenCopy)( - pScrn, srcx, srcy, dstx, dsty, w, h); - - if (pScrn->bitsPerPixel == info->CurrentLayout.bitsPerPixel) - SET_SYNC_FLAG(info->accel); -} - - -static void -R128_BlitTransRect( - ScrnInfoPtr pScrn, - int srcx, int srcy, - int w, int h, - int dstx, int dsty, - unsigned long color -){ - R128InfoPtr info = R128PTR(pScrn); - int xdir = ((srcx < dstx) && (srcy == dsty)) ? -1 : 1; - int ydir = (srcy < dsty) ? -1 : 1; - - info->XAAForceTransBlit = TRUE; - - (*info->accel->SetupForScreenToScreenCopy)( - pScrn, xdir, ydir, GXcopy, (CARD32)(~0), color); - - info->XAAForceTransBlit = FALSE; - - (*info->accel->SubsequentScreenToScreenCopy)( - pScrn, srcx, srcy, dstx, dsty, w, h); - - if (pScrn->bitsPerPixel == info->CurrentLayout.bitsPerPixel) - SET_SYNC_FLAG(info->accel); -} - - -static Bool -R128_OpenFramebuffer( - ScrnInfoPtr pScrn, - char **name, - unsigned char **mem, - int *size, - int *offset, - int *flags -){ - R128InfoPtr info = R128PTR(pScrn); - - *name = NULL; /* no special device */ - *mem = (unsigned char*)info->LinearAddr; - *size = info->FbMapSize; - *offset = 0; - *flags = /* DGA_NEED_ROOT */ 0; /* don't need root, just /dev/mem access */ - - return TRUE; -} |