diff options
Diffstat (limited to 'nx-X11/programs/Xserver/render/picture.c')
| -rw-r--r-- | nx-X11/programs/Xserver/render/picture.c | 1864 |
1 files changed, 0 insertions, 1864 deletions
diff --git a/nx-X11/programs/Xserver/render/picture.c b/nx-X11/programs/Xserver/render/picture.c deleted file mode 100644 index 3ed60310e..000000000 --- a/nx-X11/programs/Xserver/render/picture.c +++ /dev/null @@ -1,1864 +0,0 @@ -/* - * $XFree86: xc/programs/Xserver/render/picture.c,v 1.29 2002/11/23 02:38:15 keithp Exp $ - * - * Copyright © 2000 SuSE, Inc. - * - * 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 SuSE not be used in advertising or - * publicity pertaining to distribution of the software without specific, - * written prior permission. SuSE makes no representations about the - * suitability of this software for any purpose. It is provided "as is" - * without express or implied warranty. - * - * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE - * 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. - * - * Author: Keith Packard, SuSE, Inc. - */ - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include "misc.h" -#include "scrnintstr.h" -#include "os.h" -#include "regionstr.h" -#include "validate.h" -#include "windowstr.h" -#include "input.h" -#include "resource.h" -#include "colormapst.h" -#include "cursorstr.h" -#include "dixstruct.h" -#include "gcstruct.h" -#include "servermd.h" -#include "picturestr.h" - -int PictureScreenPrivateIndex = -1; -int PictureWindowPrivateIndex; -int PictureGeneration; -RESTYPE PictureType; -RESTYPE PictFormatType; -RESTYPE GlyphSetType; -int PictureCmapPolicy = PictureCmapPolicyDefault; - -/* Picture Private machinery */ - -static int picturePrivateCount; - -void -ResetPicturePrivateIndex (void) -{ - picturePrivateCount = 0; -} - -int -AllocatePicturePrivateIndex (void) -{ - return picturePrivateCount++; -} - -Bool -AllocatePicturePrivate (ScreenPtr pScreen, int index2, unsigned int amount) -{ - PictureScreenPtr ps = GetPictureScreen(pScreen); - unsigned int oldamount; - - /* Round up sizes for proper alignment */ - amount = ((amount + (sizeof(long) - 1)) / sizeof(long)) * sizeof(long); - - if (index2 >= ps->PicturePrivateLen) - { - unsigned int *nsizes; - - nsizes = (unsigned int *)xrealloc(ps->PicturePrivateSizes, - (index2 + 1) * sizeof(unsigned int)); - if (!nsizes) - return FALSE; - while (ps->PicturePrivateLen <= index2) - { - nsizes[ps->PicturePrivateLen++] = 0; - ps->totalPictureSize += sizeof(DevUnion); - } - ps->PicturePrivateSizes = nsizes; - } - oldamount = ps->PicturePrivateSizes[index2]; - if (amount > oldamount) - { - ps->PicturePrivateSizes[index2] = amount; - ps->totalPictureSize += (amount - oldamount); - } - - return TRUE; -} - - -Bool -PictureDestroyWindow (WindowPtr pWindow) -{ - ScreenPtr pScreen = pWindow->drawable.pScreen; - PicturePtr pPicture; - PictureScreenPtr ps = GetPictureScreen(pScreen); - Bool ret; - - while ((pPicture = GetPictureWindow(pWindow))) - { - SetPictureWindow(pWindow, pPicture->pNext); - if (pPicture->id) - FreeResource (pPicture->id, PictureType); - FreePicture ((pointer) pPicture, pPicture->id); - } - pScreen->DestroyWindow = ps->DestroyWindow; - ret = (*pScreen->DestroyWindow) (pWindow); - ps->DestroyWindow = pScreen->DestroyWindow; - pScreen->DestroyWindow = PictureDestroyWindow; - return ret; -} - -Bool -PictureCloseScreen (int index, ScreenPtr pScreen) -{ - PictureScreenPtr ps = GetPictureScreen(pScreen); - Bool ret; - int n; - - pScreen->CloseScreen = ps->CloseScreen; - ret = (*pScreen->CloseScreen) (index, pScreen); - PictureResetFilters (pScreen); - for (n = 0; n < ps->nformats; n++) - if (ps->formats[n].type == PictTypeIndexed) - (*ps->CloseIndexed) (pScreen, &ps->formats[n]); - SetPictureScreen(pScreen, 0); - if (ps->PicturePrivateSizes) - xfree (ps->PicturePrivateSizes); - xfree (ps->formats); - xfree (ps); - return ret; -} - -void -PictureStoreColors (ColormapPtr pColormap, int ndef, xColorItem *pdef) -{ - ScreenPtr pScreen = pColormap->pScreen; - PictureScreenPtr ps = GetPictureScreen(pScreen); - - pScreen->StoreColors = ps->StoreColors; - (*pScreen->StoreColors) (pColormap, ndef, pdef); - ps->StoreColors = pScreen->StoreColors; - pScreen->StoreColors = PictureStoreColors; - - if (pColormap->class == PseudoColor || pColormap->class == GrayScale) - { - PictFormatPtr format = ps->formats; - int nformats = ps->nformats; - - while (nformats--) - { - if (format->type == PictTypeIndexed && - format->index.pColormap == pColormap) - { - (*ps->UpdateIndexed) (pScreen, format, ndef, pdef); - break; - } - format++; - } - } -} - -static int -visualDepth (ScreenPtr pScreen, VisualPtr pVisual) -{ - int d, v; - DepthPtr pDepth; - - for (d = 0; d < pScreen->numDepths; d++) - { - pDepth = &pScreen->allowedDepths[d]; - for (v = 0; v < pDepth->numVids; v++) - if (pDepth->vids[v] == pVisual->vid) - return pDepth->depth; - } - return 0; -} - -typedef struct _formatInit { - CARD32 format; - CARD8 depth; -} FormatInitRec, *FormatInitPtr; - -static int -addFormat (FormatInitRec formats[256], - int nformat, - CARD32 format, - CARD8 depth) -{ - int n; - - for (n = 0; n < nformat; n++) - if (formats[n].format == format && formats[n].depth == depth) - return nformat; - formats[nformat].format = format; - formats[nformat].depth = depth; - return ++nformat; -} - -#define Mask(n) ((n) == 32 ? 0xffffffff : ((1 << (n))-1)) - -PictFormatPtr -PictureCreateDefaultFormats (ScreenPtr pScreen, int *nformatp) -{ - int nformats, f; - PictFormatPtr pFormats; - FormatInitRec formats[1024]; - CARD32 format; - CARD8 depth; - VisualPtr pVisual; - int v; - int bpp; - int type; - int r, g, b; - int d; - DepthPtr pDepth; - - nformats = 0; - /* formats required by protocol */ - formats[nformats].format = PICT_a1; - formats[nformats].depth = 1; - nformats++; - formats[nformats].format = PICT_a8; - formats[nformats].depth = 8; - nformats++; - formats[nformats].format = PICT_a4; - formats[nformats].depth = 4; - nformats++; - formats[nformats].format = PICT_a8r8g8b8; - formats[nformats].depth = 32; - nformats++; - formats[nformats].format = PICT_x8r8g8b8; - formats[nformats].depth = 32; - nformats++; - - /* now look through the depths and visuals adding other formats */ - for (v = 0; v < pScreen->numVisuals; v++) - { - pVisual = &pScreen->visuals[v]; - depth = visualDepth (pScreen, pVisual); - if (!depth) - continue; - bpp = BitsPerPixel (depth); - switch (pVisual->class) { - case DirectColor: - case TrueColor: - r = Ones (pVisual->redMask); - g = Ones (pVisual->greenMask); - b = Ones (pVisual->blueMask); - type = PICT_TYPE_OTHER; - /* - * Current rendering code supports only two direct formats, - * fields must be packed together at the bottom of the pixel - * and must be either RGB or BGR - */ - if (pVisual->offsetBlue == 0 && - pVisual->offsetGreen == b && - pVisual->offsetRed == b + g) - { - type = PICT_TYPE_ARGB; - } - else if (pVisual->offsetRed == 0 && - pVisual->offsetGreen == r && - pVisual->offsetBlue == r + g) - { - type = PICT_TYPE_ABGR; - } - if (type != PICT_TYPE_OTHER) - { - format = PICT_FORMAT(bpp, type, 0, r, g, b); - nformats = addFormat (formats, nformats, format, depth); - } - break; - case StaticColor: - case PseudoColor: - format = PICT_VISFORMAT (bpp, PICT_TYPE_COLOR, v); - nformats = addFormat (formats, nformats, format, depth); - break; - case StaticGray: - case GrayScale: - format = PICT_VISFORMAT (bpp, PICT_TYPE_GRAY, v); - nformats = addFormat (formats, nformats, format, depth); - break; - } - } - /* - * Walk supported depths and add useful Direct formats - */ - for (d = 0; d < pScreen->numDepths; d++) - { - pDepth = &pScreen->allowedDepths[d]; - bpp = BitsPerPixel (pDepth->depth); - format = 0; - switch (bpp) { - case 16: - /* depth 12 formats */ - if (pDepth->depth >= 12) - { - nformats = addFormat (formats, nformats, - PICT_x4r4g4b4, pDepth->depth); - nformats = addFormat (formats, nformats, - PICT_x4b4g4r4, pDepth->depth); - } - /* depth 15 formats */ - if (pDepth->depth >= 15) - { - nformats = addFormat (formats, nformats, - PICT_x1r5g5b5, pDepth->depth); - nformats = addFormat (formats, nformats, - PICT_x1b5g5r5, pDepth->depth); - } - /* depth 16 formats */ - if (pDepth->depth >= 16) - { - nformats = addFormat (formats, nformats, - PICT_a1r5g5b5, pDepth->depth); - nformats = addFormat (formats, nformats, - PICT_a1b5g5r5, pDepth->depth); - nformats = addFormat (formats, nformats, - PICT_r5g6b5, pDepth->depth); - nformats = addFormat (formats, nformats, - PICT_b5g6r5, pDepth->depth); - nformats = addFormat (formats, nformats, - PICT_a4r4g4b4, pDepth->depth); - nformats = addFormat (formats, nformats, - PICT_a4b4g4r4, pDepth->depth); - } - break; - case 24: - if (pDepth->depth >= 24) - { - nformats = addFormat (formats, nformats, - PICT_r8g8b8, pDepth->depth); - nformats = addFormat (formats, nformats, - PICT_b8g8r8, pDepth->depth); - } - break; - case 32: - if (pDepth->depth >= 24) - { - nformats = addFormat (formats, nformats, - PICT_x8r8g8b8, pDepth->depth); - nformats = addFormat (formats, nformats, - PICT_x8b8g8r8, pDepth->depth); - } - break; - } - } - - - pFormats = (PictFormatPtr) xalloc (nformats * sizeof (PictFormatRec)); - if (!pFormats) - return 0; - memset (pFormats, '\0', nformats * sizeof (PictFormatRec)); - for (f = 0; f < nformats; f++) - { - pFormats[f].id = FakeClientID (0); - pFormats[f].depth = formats[f].depth; - format = formats[f].format; - pFormats[f].format = format; - switch (PICT_FORMAT_TYPE(format)) { - case PICT_TYPE_ARGB: - pFormats[f].type = PictTypeDirect; - - pFormats[f].direct.alphaMask = Mask(PICT_FORMAT_A(format)); - if (pFormats[f].direct.alphaMask) - pFormats[f].direct.alpha = (PICT_FORMAT_R(format) + - PICT_FORMAT_G(format) + - PICT_FORMAT_B(format)); - - pFormats[f].direct.redMask = Mask(PICT_FORMAT_R(format)); - pFormats[f].direct.red = (PICT_FORMAT_G(format) + - PICT_FORMAT_B(format)); - - pFormats[f].direct.greenMask = Mask(PICT_FORMAT_G(format)); - pFormats[f].direct.green = PICT_FORMAT_B(format); - - pFormats[f].direct.blueMask = Mask(PICT_FORMAT_B(format)); - pFormats[f].direct.blue = 0; - break; - - case PICT_TYPE_ABGR: - pFormats[f].type = PictTypeDirect; - - pFormats[f].direct.alphaMask = Mask(PICT_FORMAT_A(format)); - if (pFormats[f].direct.alphaMask) - pFormats[f].direct.alpha = (PICT_FORMAT_B(format) + - PICT_FORMAT_G(format) + - PICT_FORMAT_R(format)); - - pFormats[f].direct.blueMask = Mask(PICT_FORMAT_B(format)); - pFormats[f].direct.blue = (PICT_FORMAT_G(format) + - PICT_FORMAT_R(format)); - - pFormats[f].direct.greenMask = Mask(PICT_FORMAT_G(format)); - pFormats[f].direct.green = PICT_FORMAT_R(format); - - pFormats[f].direct.redMask = Mask(PICT_FORMAT_R(format)); - pFormats[f].direct.red = 0; - break; - - case PICT_TYPE_A: - pFormats[f].type = PictTypeDirect; - - pFormats[f].direct.alpha = 0; - pFormats[f].direct.alphaMask = Mask(PICT_FORMAT_A(format)); - - /* remaining fields already set to zero */ - break; - - case PICT_TYPE_COLOR: - case PICT_TYPE_GRAY: - pFormats[f].type = PictTypeIndexed; - pFormats[f].index.vid = pScreen->visuals[PICT_FORMAT_VIS(format)].vid; - break; - } - } - *nformatp = nformats; - return pFormats; -} - -static VisualPtr -PictureFindVisual (ScreenPtr pScreen, VisualID visual) -{ - int i; - VisualPtr pVisual; - for (i = 0, pVisual = pScreen->visuals; - i < pScreen->numVisuals; - i++, pVisual++) - { - if (pVisual->vid == visual) - return pVisual; - } - return 0; -} - -Bool -PictureInitIndexedFormats (ScreenPtr pScreen) -{ - PictureScreenPtr ps = GetPictureScreenIfSet(pScreen); - PictFormatPtr format; - int nformat; - - if (!ps) - return FALSE; - format = ps->formats; - nformat = ps->nformats; - while (nformat--) - { - if (format->type == PictTypeIndexed && !format->index.pColormap) - { - if (format->index.vid == pScreen->rootVisual) - format->index.pColormap = (ColormapPtr) LookupIDByType(pScreen->defColormap, - RT_COLORMAP); - else - { - VisualPtr pVisual; - - pVisual = PictureFindVisual (pScreen, format->index.vid); - if (CreateColormap (FakeClientID (0), pScreen, - pVisual, - &format->index.pColormap, AllocNone, - 0) != Success) - { - return FALSE; - } - } - if (!(*ps->InitIndexed) (pScreen, format)) - return FALSE; - } - format++; - } - return TRUE; -} - -Bool -PictureFinishInit (void) -{ - int s; - - for (s = 0; s < screenInfo.numScreens; s++) - { - if (!PictureInitIndexedFormats (screenInfo.screens[s])) - return FALSE; - (void) AnimCurInit (screenInfo.screens[s]); - } - - return TRUE; -} - -Bool -PictureSetSubpixelOrder (ScreenPtr pScreen, int subpixel) -{ - PictureScreenPtr ps = GetPictureScreenIfSet(pScreen); - - if (!ps) - return FALSE; - ps->subpixel = subpixel; - return TRUE; - -} - -int -PictureGetSubpixelOrder (ScreenPtr pScreen) -{ - PictureScreenPtr ps = GetPictureScreenIfSet(pScreen); - - if (!ps) - return SubPixelUnknown; - return ps->subpixel; -} - -PictFormatPtr -PictureMatchVisual (ScreenPtr pScreen, int depth, VisualPtr pVisual) -{ - PictureScreenPtr ps = GetPictureScreenIfSet(pScreen); - PictFormatPtr format; - int nformat; - int type; - - if (!ps) - return 0; - format = ps->formats; - nformat = ps->nformats; - switch (pVisual->class) { - case StaticGray: - case GrayScale: - case StaticColor: - case PseudoColor: - type = PictTypeIndexed; - break; - case TrueColor: - case DirectColor: - type = PictTypeDirect; - break; - default: - return 0; - } - while (nformat--) - { - if (format->depth == depth && format->type == type) - { - if (type == PictTypeIndexed) - { - if (format->index.vid == pVisual->vid) - return format; - } - else - { - if (format->direct.redMask << format->direct.red == - pVisual->redMask && - format->direct.greenMask << format->direct.green == - pVisual->greenMask && - format->direct.blueMask << format->direct.blue == - pVisual->blueMask) - { - return format; - } - } - } - format++; - } - return 0; -} - -PictFormatPtr -PictureMatchFormat (ScreenPtr pScreen, int depth, CARD32 f) -{ - PictureScreenPtr ps = GetPictureScreenIfSet(pScreen); - PictFormatPtr format; - int nformat; - - if (!ps) - return 0; - format = ps->formats; - nformat = ps->nformats; - while (nformat--) - { - if (format->depth == depth && format->format == (f & 0xffffff)) - return format; - format++; - } - return 0; -} - -int -PictureParseCmapPolicy (const char *name) -{ - if ( strcmp (name, "default" ) == 0) - return PictureCmapPolicyDefault; - else if ( strcmp (name, "mono" ) == 0) - return PictureCmapPolicyMono; - else if ( strcmp (name, "gray" ) == 0) - return PictureCmapPolicyGray; - else if ( strcmp (name, "color" ) == 0) - return PictureCmapPolicyColor; - else if ( strcmp (name, "all" ) == 0) - return PictureCmapPolicyAll; - else - return PictureCmapPolicyInvalid; -} - -Bool -PictureInit (ScreenPtr pScreen, PictFormatPtr formats, int nformats) -{ - PictureScreenPtr ps; - int n; - CARD32 type, a, r, g, b; - - if (PictureGeneration != serverGeneration) - { - PictureType = CreateNewResourceType (FreePicture); - if (!PictureType) - return FALSE; - PictFormatType = CreateNewResourceType (FreePictFormat); - if (!PictFormatType) - return FALSE; - GlyphSetType = CreateNewResourceType (FreeGlyphSet); - if (!GlyphSetType) - return FALSE; - PictureScreenPrivateIndex = AllocateScreenPrivateIndex(); - if (PictureScreenPrivateIndex < 0) - return FALSE; - PictureWindowPrivateIndex = AllocateWindowPrivateIndex(); - PictureGeneration = serverGeneration; -#ifdef XResExtension - RegisterResourceName (PictureType, "PICTURE"); - RegisterResourceName (PictFormatType, "PICTFORMAT"); - RegisterResourceName (GlyphSetType, "GLYPHSET"); -#endif - } - if (!AllocateWindowPrivate (pScreen, PictureWindowPrivateIndex, 0)) - return FALSE; - - if (!formats) - { - formats = PictureCreateDefaultFormats (pScreen, &nformats); - if (!formats) - return FALSE; - } - for (n = 0; n < nformats; n++) - { - if (!AddResource (formats[n].id, PictFormatType, (pointer) (formats+n))) - { - xfree (formats); - return FALSE; - } - if (formats[n].type == PictTypeIndexed) - { - VisualPtr pVisual = PictureFindVisual (pScreen, formats[n].index.vid); - if ((pVisual->class | DynamicClass) == PseudoColor) - type = PICT_TYPE_COLOR; - else - type = PICT_TYPE_GRAY; - a = r = g = b = 0; - } - else - { - if ((formats[n].direct.redMask| - formats[n].direct.blueMask| - formats[n].direct.greenMask) == 0) - type = PICT_TYPE_A; - else if (formats[n].direct.red > formats[n].direct.blue) - type = PICT_TYPE_ARGB; - else - type = PICT_TYPE_ABGR; - a = Ones (formats[n].direct.alphaMask); - r = Ones (formats[n].direct.redMask); - g = Ones (formats[n].direct.greenMask); - b = Ones (formats[n].direct.blueMask); - } - formats[n].format = PICT_FORMAT(0,type,a,r,g,b); - } - ps = (PictureScreenPtr) xalloc (sizeof (PictureScreenRec)); - if (!ps) - { - xfree (formats); - return FALSE; - } - SetPictureScreen(pScreen, ps); - if (!GlyphInit (pScreen)) - { - SetPictureScreen(pScreen, 0); - xfree (formats); - xfree (ps); - return FALSE; - } - - ps->totalPictureSize = sizeof (PictureRec); - ps->PicturePrivateSizes = 0; - ps->PicturePrivateLen = 0; - - ps->formats = formats; - ps->fallback = formats; - ps->nformats = nformats; - - ps->filters = 0; - ps->nfilters = 0; - ps->filterAliases = 0; - ps->nfilterAliases = 0; - - ps->subpixel = SubPixelUnknown; - - ps->CloseScreen = pScreen->CloseScreen; - ps->DestroyWindow = pScreen->DestroyWindow; - ps->StoreColors = pScreen->StoreColors; - pScreen->DestroyWindow = PictureDestroyWindow; - pScreen->CloseScreen = PictureCloseScreen; - pScreen->StoreColors = PictureStoreColors; - - if (!PictureSetDefaultFilters (pScreen)) - { - PictureResetFilters (pScreen); - SetPictureScreen(pScreen, 0); - xfree (formats); - xfree (ps); - return FALSE; - } - - return TRUE; -} - -void -SetPictureToDefaults (PicturePtr pPicture) -{ - pPicture->refcnt = 1; - pPicture->repeat = 0; - pPicture->graphicsExposures = FALSE; - pPicture->subWindowMode = ClipByChildren; - pPicture->polyEdge = PolyEdgeSharp; - pPicture->polyMode = PolyModePrecise; - pPicture->freeCompClip = FALSE; - pPicture->clientClipType = CT_NONE; - pPicture->componentAlpha = FALSE; - pPicture->repeatType = RepeatNone; - - pPicture->alphaMap = 0; - pPicture->alphaOrigin.x = 0; - pPicture->alphaOrigin.y = 0; - - pPicture->clipOrigin.x = 0; - pPicture->clipOrigin.y = 0; - pPicture->clientClip = 0; - - pPicture->transform = 0; - - pPicture->dither = None; - pPicture->filter = PictureGetFilterId (FilterNearest, -1, TRUE); - pPicture->filter_params = 0; - pPicture->filter_nparams = 0; - - pPicture->serialNumber = GC_CHANGE_SERIAL_BIT; - pPicture->stateChanges = (1 << (CPLastBit+1)) - 1; - pPicture->pSourcePict = 0; -} - -PicturePtr -AllocatePicture (ScreenPtr pScreen) -{ - PictureScreenPtr ps = GetPictureScreen(pScreen); - PicturePtr pPicture; - char *ptr; - DevUnion *ppriv; - unsigned int *sizes; - unsigned int size; - int i; - - pPicture = (PicturePtr) xalloc (ps->totalPictureSize); - if (!pPicture) - return 0; - ppriv = (DevUnion *)(pPicture + 1); - pPicture->devPrivates = ppriv; - sizes = ps->PicturePrivateSizes; - ptr = (char *)(ppriv + ps->PicturePrivateLen); - for (i = ps->PicturePrivateLen; --i >= 0; ppriv++, sizes++) - { - if ( (size = *sizes) ) - { - ppriv->ptr = (pointer)ptr; - ptr += size; - } - else - ppriv->ptr = (pointer)NULL; - } - return pPicture; -} - -PicturePtr -CreatePicture (Picture pid, - DrawablePtr pDrawable, - PictFormatPtr pFormat, - Mask vmask, - XID *vlist, - ClientPtr client, - int *error) -{ - PicturePtr pPicture; - PictureScreenPtr ps = GetPictureScreen(pDrawable->pScreen); - - pPicture = AllocatePicture (pDrawable->pScreen); - if (!pPicture) - { - *error = BadAlloc; - return 0; - } - - pPicture->id = pid; - pPicture->pDrawable = pDrawable; - pPicture->pFormat = pFormat; - pPicture->format = pFormat->format | (pDrawable->bitsPerPixel << 24); - if (pDrawable->type == DRAWABLE_PIXMAP) - { - ++((PixmapPtr)pDrawable)->refcnt; - pPicture->pNext = 0; - } - else - { - pPicture->pNext = GetPictureWindow(((WindowPtr) pDrawable)); - SetPictureWindow(((WindowPtr) pDrawable), pPicture); - } - - SetPictureToDefaults (pPicture); - - if (vmask) - *error = ChangePicture (pPicture, vmask, vlist, 0, client); - else - *error = Success; - if (*error == Success) - *error = (*ps->CreatePicture) (pPicture); - if (*error != Success) - { - FreePicture (pPicture, (XID) 0); - pPicture = 0; - } - return pPicture; -} - -static CARD32 xRenderColorToCard32(xRenderColor c) -{ - return - (c.alpha >> 8 << 24) | - (c.red >> 8 << 16) | - (c.green & 0xff00) | - (c.blue >> 8); -} - -static unsigned int premultiply(unsigned int x) -{ - unsigned int a = x >> 24; - unsigned int t = (x & 0xff00ff) * a; - t = (t + ((t >> 8) & 0xff00ff) + 0x800080) >> 8; - t &= 0xff00ff; - - x = ((x >> 8) & 0xff) * a; - x = (x + ((x >> 8) & 0xff) + 0x80); - x &= 0xff00; - x |= t | (a << 24); - return x; -} - -static unsigned int INTERPOLATE_PIXEL_256(unsigned int x, unsigned int a, - unsigned int y, unsigned int b) -{ - CARD32 t = (x & 0xff00ff) * a + (y & 0xff00ff) * b; - t >>= 8; - t &= 0xff00ff; - - x = ((x >> 8) & 0xff00ff) * a + ((y >> 8) & 0xff00ff) * b; - x &= 0xff00ff00; - x |= t; - return x; -} - -static void initGradientColorTable(SourcePictPtr pGradient, int *error) -{ - int begin_pos, end_pos; - xFixed incr, dpos; - int pos, current_stop; - PictGradientStopPtr stops = pGradient->linear.stops; - int nstops = pGradient->linear.nstops; - - /* The position where the gradient begins and ends */ - begin_pos = (stops[0].x * PICT_GRADIENT_STOPTABLE_SIZE) >> 16; - end_pos = (stops[nstops - 1].x * PICT_GRADIENT_STOPTABLE_SIZE) >> 16; - - pos = 0; /* The position in the color table. */ - - /* Up to first point */ - while (pos <= begin_pos) { - pGradient->linear.colorTable[pos] = xRenderColorToCard32(stops[0].color); - ++pos; - } - - incr = (1<<16)/ PICT_GRADIENT_STOPTABLE_SIZE; /* the double increment. */ - dpos = incr * pos; /* The position in terms of 0-1. */ - - current_stop = 0; /* We always interpolate between current and current + 1. */ - - /* Gradient area */ - while (pos < end_pos) { - unsigned int current_color = xRenderColorToCard32(stops[current_stop].color); - unsigned int next_color = xRenderColorToCard32(stops[current_stop + 1].color); - - int dist = (int)(256*(dpos - stops[current_stop].x) - / (stops[current_stop+1].x - stops[current_stop].x)); - int idist = 256 - dist; - - pGradient->linear.colorTable[pos] = premultiply(INTERPOLATE_PIXEL_256(current_color, idist, next_color, dist)); - - ++pos; - dpos += incr; - - if (dpos > stops[current_stop + 1].x) - ++current_stop; - } - - /* After last point */ - while (pos < PICT_GRADIENT_STOPTABLE_SIZE) { - pGradient->linear.colorTable[pos] = xRenderColorToCard32(stops[nstops - 1].color); - ++pos; - } -} - -static void initGradient(SourcePictPtr pGradient, int stopCount, - xFixed *stopPoints, xRenderColor *stopColors, int *error) -{ - int i; - xFixed dpos; - - if (stopCount <= 0) { - *error = BadValue; - return; - } - - dpos = -1; - for (i = 0; i < stopCount; ++i) { - if (stopPoints[i] <= dpos || stopPoints[i] > (1<<16)) { - *error = BadValue; - return; - } - dpos = stopPoints[i]; - } - - pGradient->linear.stops = xalloc(stopCount*sizeof(PictGradientStop)); - if (!pGradient->linear.stops) { - *error = BadAlloc; - return; - } - - pGradient->linear.nstops = stopCount; - - for (i = 0; i < stopCount; ++i) { - pGradient->linear.stops[i].x = stopPoints[i]; - pGradient->linear.stops[i].color = stopColors[i]; - } - initGradientColorTable(pGradient, error); -} - -static PicturePtr createSourcePicture(void) -{ - PicturePtr pPicture; - pPicture = (PicturePtr) xalloc(sizeof(PictureRec)); - pPicture->pDrawable = 0; - pPicture->pFormat = 0; - pPicture->pNext = 0; - - SetPictureToDefaults(pPicture); - return pPicture; -} - -PicturePtr -CreateSolidPicture (Picture pid, xRenderColor *color, int *error) -{ - PicturePtr pPicture; - pPicture = createSourcePicture(); - if (!pPicture) { - *error = BadAlloc; - return 0; - } - - pPicture->id = pid; - pPicture->pSourcePict = (SourcePictPtr) xalloc(sizeof(PictSolidFill)); - if (!pPicture->pSourcePict) { - *error = BadAlloc; - xfree(pPicture); - return 0; - } - pPicture->pSourcePict->type = SourcePictTypeSolidFill; - pPicture->pSourcePict->solidFill.color = xRenderColorToCard32(*color); - return pPicture; -} - -PicturePtr -CreateLinearGradientPicture (Picture pid, xPointFixed *p1, xPointFixed *p2, - int nStops, xFixed *stops, xRenderColor *colors, int *error) -{ - PicturePtr pPicture; - - if (nStops < 2) { - *error = BadValue; - return 0; - } - - pPicture = createSourcePicture(); - if (!pPicture) { - *error = BadAlloc; - return 0; - } - if (p1->x == p2->x && p1->y == p2->y) { - *error = BadValue; - return 0; - } - - pPicture->id = pid; - pPicture->pSourcePict = (SourcePictPtr) xalloc(sizeof(PictLinearGradient)); - if (!pPicture->pSourcePict) { - *error = BadAlloc; - xfree(pPicture); - return 0; - } - - pPicture->pSourcePict->linear.type = SourcePictTypeLinear; - pPicture->pSourcePict->linear.p1 = *p1; - pPicture->pSourcePict->linear.p2 = *p2; - - initGradient(pPicture->pSourcePict, nStops, stops, colors, error); - if (*error) { - xfree(pPicture); - return 0; - } - return pPicture; -} - -#define FixedToDouble(x) ((x)/65536.) - -PicturePtr -CreateRadialGradientPicture (Picture pid, xPointFixed *inner, xPointFixed *outer, - xFixed innerRadius, xFixed outerRadius, - int nStops, xFixed *stops, xRenderColor *colors, int *error) -{ - PicturePtr pPicture; - PictRadialGradient *radial; - - if (nStops < 2) { - *error = BadValue; - return 0; - } - - pPicture = createSourcePicture(); - if (!pPicture) { - *error = BadAlloc; - return 0; - } - { - double dx = (double)(inner->x - outer->x); - double dy = (double)(inner->y - outer->y); - if (sqrt(dx*dx + dy*dy) + (double)(innerRadius) > (double)(outerRadius)) { - *error = BadValue; - return 0; - } - } - - pPicture->id = pid; - pPicture->pSourcePict = (SourcePictPtr) xalloc(sizeof(PictRadialGradient)); - if (!pPicture->pSourcePict) { - *error = BadAlloc; - xfree(pPicture); - return 0; - } - radial = &pPicture->pSourcePict->radial; - - radial->type = SourcePictTypeRadial; - { - double x = (double)innerRadius / (double)outerRadius; - radial->dx = (outer->x - inner->x); - radial->dy = (outer->y - inner->y); - radial->fx = (inner->x) - x*radial->dx; - radial->fy = (inner->y) - x*radial->dy; - radial->m = 1./(1+x); - radial->b = -x*radial->m; - radial->dx /= 65536.; - radial->dy /= 65536.; - radial->fx /= 65536.; - radial->fy /= 65536.; - x = outerRadius/65536.; - radial->a = x*x - radial->dx*radial->dx - radial->dy*radial->dy; - } - - initGradient(pPicture->pSourcePict, nStops, stops, colors, error); - if (*error) { - xfree(pPicture); - return 0; - } - return pPicture; -} - -PicturePtr -CreateConicalGradientPicture (Picture pid, xPointFixed *center, xFixed angle, - int nStops, xFixed *stops, xRenderColor *colors, int *error) -{ - PicturePtr pPicture; - - if (nStops < 2) { - *error = BadValue; - return 0; - } - - pPicture = createSourcePicture(); - if (!pPicture) { - *error = BadAlloc; - return 0; - } - - pPicture->id = pid; - pPicture->pSourcePict = (SourcePictPtr) xalloc(sizeof(PictConicalGradient)); - if (!pPicture->pSourcePict) { - *error = BadAlloc; - xfree(pPicture); - return 0; - } - - pPicture->pSourcePict->conical.type = SourcePictTypeConical; - pPicture->pSourcePict->conical.center = *center; - pPicture->pSourcePict->conical.angle = angle; - - initGradient(pPicture->pSourcePict, nStops, stops, colors, error); - if (*error) { - xfree(pPicture); - return 0; - } - return pPicture; -} - -#define NEXT_VAL(_type) (vlist ? (_type) *vlist++ : (_type) ulist++->val) - -#define NEXT_PTR(_type) ((_type) ulist++->ptr) - -int -ChangePicture (PicturePtr pPicture, - Mask vmask, - XID *vlist, - DevUnion *ulist, - ClientPtr client) -{ - ScreenPtr pScreen = pPicture->pDrawable ? pPicture->pDrawable->pScreen : 0; - PictureScreenPtr ps = pScreen ? GetPictureScreen(pScreen) : 0; - BITS32 index2; - int error = 0; - BITS32 maskQ; - - pPicture->serialNumber |= GC_CHANGE_SERIAL_BIT; - maskQ = vmask; - while (vmask && !error) - { - index2 = (BITS32) lowbit (vmask); - vmask &= ~index2; - pPicture->stateChanges |= index2; - switch (index2) - { - case CPRepeat: - { - unsigned int newr; - newr = NEXT_VAL(unsigned int); - if (newr <= RepeatReflect) - { - pPicture->repeat = (newr != RepeatNone); - pPicture->repeatType = newr; - } - else - { - client->errorValue = newr; - error = BadValue; - } - } - break; - case CPAlphaMap: - { - PicturePtr pAlpha; - - if (vlist) - { - Picture pid = NEXT_VAL(Picture); - - if (pid == None) - pAlpha = 0; - else - { - pAlpha = (PicturePtr) SecurityLookupIDByType(client, - pid, - PictureType, - SecurityWriteAccess|SecurityReadAccess); - if (!pAlpha) - { - client->errorValue = pid; - error = BadPixmap; - break; - } - if (pAlpha->pDrawable->type != DRAWABLE_PIXMAP) - { - client->errorValue = pid; - error = BadMatch; - break; - } - } - } - else - pAlpha = NEXT_PTR(PicturePtr); - if (!error) - { - if (pAlpha && pAlpha->pDrawable->type == DRAWABLE_PIXMAP) - pAlpha->refcnt++; - if (pPicture->alphaMap) - FreePicture ((pointer) pPicture->alphaMap, (XID) 0); - pPicture->alphaMap = pAlpha; - } - } - break; - case CPAlphaXOrigin: - pPicture->alphaOrigin.x = NEXT_VAL(INT16); - break; - case CPAlphaYOrigin: - pPicture->alphaOrigin.y = NEXT_VAL(INT16); - break; - case CPClipXOrigin: - pPicture->clipOrigin.x = NEXT_VAL(INT16); - break; - case CPClipYOrigin: - pPicture->clipOrigin.y = NEXT_VAL(INT16); - break; - case CPClipMask: - { - Pixmap pid; - PixmapPtr pPixmap; - int clipType; - if (!pScreen) - return BadDrawable; - - if (vlist) - { - pid = NEXT_VAL(Pixmap); - if (pid == None) - { - clipType = CT_NONE; - pPixmap = NullPixmap; - } - else - { - clipType = CT_PIXMAP; - pPixmap = (PixmapPtr)SecurityLookupIDByType(client, - pid, - RT_PIXMAP, - SecurityReadAccess); - if (!pPixmap) - { - client->errorValue = pid; - error = BadPixmap; - break; - } - } - } - else - { - pPixmap = NEXT_PTR(PixmapPtr); - if (pPixmap) - clipType = CT_PIXMAP; - else - clipType = CT_NONE; - } - - if (pPixmap) - { - if ((pPixmap->drawable.depth != 1) || - (pPixmap->drawable.pScreen != pScreen)) - { - error = BadMatch; - break; - } - else - { - clipType = CT_PIXMAP; - pPixmap->refcnt++; - } - } - error = (*ps->ChangePictureClip)(pPicture, clipType, - (pointer)pPixmap, 0); - break; - } - case CPGraphicsExposure: - { - unsigned int newe; - newe = NEXT_VAL(unsigned int); - if (newe <= xTrue) - pPicture->graphicsExposures = newe; - else - { - client->errorValue = newe; - error = BadValue; - } - } - break; - case CPSubwindowMode: - { - unsigned int news; - news = NEXT_VAL(unsigned int); - if (news == ClipByChildren || news == IncludeInferiors) - pPicture->subWindowMode = news; - else - { - client->errorValue = news; - error = BadValue; - } - } - break; - case CPPolyEdge: - { - unsigned int newe; - newe = NEXT_VAL(unsigned int); - if (newe == PolyEdgeSharp || newe == PolyEdgeSmooth) - pPicture->polyEdge = newe; - else - { - client->errorValue = newe; - error = BadValue; - } - } - break; - case CPPolyMode: - { - unsigned int newm; - newm = NEXT_VAL(unsigned int); - if (newm == PolyModePrecise || newm == PolyModeImprecise) - pPicture->polyMode = newm; - else - { - client->errorValue = newm; - error = BadValue; - } - } - break; - case CPDither: - pPicture->dither = NEXT_VAL(Atom); - break; - case CPComponentAlpha: - { - unsigned int newca; - - newca = NEXT_VAL (unsigned int); - if (newca <= xTrue) - pPicture->componentAlpha = newca; - else - { - client->errorValue = newca; - error = BadValue; - } - } - break; - default: - client->errorValue = maskQ; - error = BadValue; - break; - } - } - if (ps) - (*ps->ChangePicture) (pPicture, maskQ); - return error; -} - -int -SetPictureClipRects (PicturePtr pPicture, - int xOrigin, - int yOrigin, - int nRect, - xRectangle *rects) -{ - ScreenPtr pScreen = pPicture->pDrawable->pScreen; - PictureScreenPtr ps = GetPictureScreen(pScreen); - RegionPtr clientClip; - int result; - - clientClip = RECTS_TO_REGION(pScreen, - nRect, rects, CT_UNSORTED); - if (!clientClip) - return BadAlloc; - result =(*ps->ChangePictureClip) (pPicture, CT_REGION, - (pointer) clientClip, 0); - if (result == Success) - { - pPicture->clipOrigin.x = xOrigin; - pPicture->clipOrigin.y = yOrigin; - pPicture->stateChanges |= CPClipXOrigin|CPClipYOrigin|CPClipMask; - pPicture->serialNumber |= GC_CHANGE_SERIAL_BIT; - } - return result; -} - -int -SetPictureClipRegion (PicturePtr pPicture, - int xOrigin, - int yOrigin, - RegionPtr pRegion) -{ - ScreenPtr pScreen = pPicture->pDrawable->pScreen; - PictureScreenPtr ps = GetPictureScreen(pScreen); - RegionPtr clientClip; - int result; - int type; - - if (pRegion) - { - type = CT_REGION; - clientClip = REGION_CREATE (pScreen, - REGION_EXTENTS(pScreen, pRegion), - REGION_NUM_RECTS(pRegion)); - if (!clientClip) - return BadAlloc; - if (!REGION_COPY (pSCreen, clientClip, pRegion)) - { - REGION_DESTROY (pScreen, clientClip); - return BadAlloc; - } - } - else - { - type = CT_NONE; - clientClip = 0; - } - - result =(*ps->ChangePictureClip) (pPicture, type, - (pointer) clientClip, 0); - if (result == Success) - { - pPicture->clipOrigin.x = xOrigin; - pPicture->clipOrigin.y = yOrigin; - pPicture->stateChanges |= CPClipXOrigin|CPClipYOrigin|CPClipMask; - pPicture->serialNumber |= GC_CHANGE_SERIAL_BIT; - } - return result; -} - - -int -SetPictureTransform (PicturePtr pPicture, - PictTransform *transform) -{ - static const PictTransform identity = { { - { xFixed1, 0x00000, 0x00000 }, - { 0x00000, xFixed1, 0x00000 }, - { 0x00000, 0x00000, xFixed1 }, - } }; - - if (transform && memcmp (transform, &identity, sizeof (PictTransform)) == 0) - transform = 0; - - if (transform) - { - if (!pPicture->transform) - { - pPicture->transform = (PictTransform *) xalloc (sizeof (PictTransform)); - if (!pPicture->transform) - return BadAlloc; - } - *pPicture->transform = *transform; - } - else - { - if (pPicture->transform) - { - xfree (pPicture->transform); - pPicture->transform = 0; - } - } - pPicture->serialNumber |= GC_CHANGE_SERIAL_BIT; - - return Success; -} - -void -CopyPicture (PicturePtr pSrc, - Mask mask, - PicturePtr pDst) -{ - PictureScreenPtr ps = GetPictureScreen(pSrc->pDrawable->pScreen); - Mask origMask = mask; - - pDst->serialNumber |= GC_CHANGE_SERIAL_BIT; - pDst->stateChanges |= mask; - - while (mask) { - Mask bit = lowbit(mask); - - switch (bit) - { - case CPRepeat: - pDst->repeat = pSrc->repeat; - pDst->repeatType = pSrc->repeatType; - break; - case CPAlphaMap: - if (pSrc->alphaMap && pSrc->alphaMap->pDrawable->type == DRAWABLE_PIXMAP) - pSrc->alphaMap->refcnt++; - if (pDst->alphaMap) - FreePicture ((pointer) pDst->alphaMap, (XID) 0); - pDst->alphaMap = pSrc->alphaMap; - break; - case CPAlphaXOrigin: - pDst->alphaOrigin.x = pSrc->alphaOrigin.x; - break; - case CPAlphaYOrigin: - pDst->alphaOrigin.y = pSrc->alphaOrigin.y; - break; - case CPClipXOrigin: - pDst->clipOrigin.x = pSrc->clipOrigin.x; - break; - case CPClipYOrigin: - pDst->clipOrigin.y = pSrc->clipOrigin.y; - break; - case CPClipMask: - switch (pSrc->clientClipType) { - case CT_NONE: - (*ps->ChangePictureClip)(pDst, CT_NONE, NULL, 0); - break; - case CT_REGION: - if (!pSrc->clientClip) { - (*ps->ChangePictureClip)(pDst, CT_NONE, NULL, 0); - } else { - RegionPtr clientClip; - RegionPtr srcClientClip = (RegionPtr)pSrc->clientClip; - - clientClip = REGION_CREATE(pSrc->pDrawable->pScreen, - REGION_EXTENTS(pSrc->pDrawable->pScreen, srcClientClip), - REGION_NUM_RECTS(srcClientClip)); - (*ps->ChangePictureClip)(pDst, CT_REGION, clientClip, 0); - } - break; - default: - /* XXX: CT_PIXMAP unimplemented */ - break; - } - break; - case CPGraphicsExposure: - pDst->graphicsExposures = pSrc->graphicsExposures; - break; - case CPPolyEdge: - pDst->polyEdge = pSrc->polyEdge; - break; - case CPPolyMode: - pDst->polyMode = pSrc->polyMode; - break; - case CPDither: - pDst->dither = pSrc->dither; - break; - case CPComponentAlpha: - pDst->componentAlpha = pSrc->componentAlpha; - break; - } - mask &= ~bit; - } - - (*ps->ChangePicture)(pDst, origMask); -} - -static void -ValidateOnePicture (PicturePtr pPicture) -{ - if (pPicture->pDrawable && pPicture->serialNumber != pPicture->pDrawable->serialNumber) - { - PictureScreenPtr ps = GetPictureScreen(pPicture->pDrawable->pScreen); - - (*ps->ValidatePicture) (pPicture, pPicture->stateChanges); - pPicture->stateChanges = 0; - pPicture->serialNumber = pPicture->pDrawable->serialNumber; - } -} - -void -ValidatePicture(PicturePtr pPicture) -{ - ValidateOnePicture (pPicture); - if (pPicture->alphaMap) - ValidateOnePicture (pPicture->alphaMap); -} - -int -FreePicture (pointer value, - XID pid) -{ - PicturePtr pPicture = (PicturePtr) value; - - if (--pPicture->refcnt == 0) - { - if (pPicture->transform) - xfree (pPicture->transform); - if (!pPicture->pDrawable) { - if (pPicture->pSourcePict) { - if (pPicture->pSourcePict->type != SourcePictTypeSolidFill) - xfree(pPicture->pSourcePict->linear.stops); - xfree(pPicture->pSourcePict); - } - } else { - ScreenPtr pScreen = pPicture->pDrawable->pScreen; - PictureScreenPtr ps = GetPictureScreen(pScreen); - - if (pPicture->alphaMap) - FreePicture ((pointer) pPicture->alphaMap, (XID) 0); - (*ps->DestroyPicture) (pPicture); - (*ps->DestroyPictureClip) (pPicture); - if (pPicture->pDrawable->type == DRAWABLE_WINDOW) - { - WindowPtr pWindow = (WindowPtr) pPicture->pDrawable; - PicturePtr *pPrev; - - for (pPrev = (PicturePtr *) &((pWindow)->devPrivates[PictureWindowPrivateIndex].ptr); - *pPrev; - pPrev = &(*pPrev)->pNext) - { - if (*pPrev == pPicture) - { - *pPrev = pPicture->pNext; - break; - } - } - } - else if (pPicture->pDrawable->type == DRAWABLE_PIXMAP) - { - (*pScreen->DestroyPixmap) ((PixmapPtr)pPicture->pDrawable); - } - } - xfree (pPicture); - } - return Success; -} - -int -FreePictFormat (pointer pPictFormat, - XID pid) -{ - return Success; -} - -void -CompositePicture (CARD8 op, - PicturePtr pSrc, - PicturePtr pMask, - PicturePtr pDst, - INT16 xSrc, - INT16 ySrc, - INT16 xMask, - INT16 yMask, - INT16 xDst, - INT16 yDst, - CARD16 width, - CARD16 height) -{ - PictureScreenPtr ps = GetPictureScreen(pDst->pDrawable->pScreen); - - ValidatePicture (pSrc); - if (pMask) - ValidatePicture (pMask); - ValidatePicture (pDst); - (*ps->Composite) (op, - pSrc, - pMask, - pDst, - xSrc, - ySrc, - xMask, - yMask, - xDst, - yDst, - width, - height); -} - -void -CompositeGlyphs (CARD8 op, - PicturePtr pSrc, - PicturePtr pDst, - PictFormatPtr maskFormat, - INT16 xSrc, - INT16 ySrc, - int nlist, - GlyphListPtr lists, - GlyphPtr *glyphs) -{ - PictureScreenPtr ps = GetPictureScreen(pDst->pDrawable->pScreen); - - ValidatePicture (pSrc); - ValidatePicture (pDst); - (*ps->Glyphs) (op, pSrc, pDst, maskFormat, xSrc, ySrc, nlist, lists, glyphs); -} - -void -CompositeRects (CARD8 op, - PicturePtr pDst, - xRenderColor *color, - int nRect, - xRectangle *rects) -{ - PictureScreenPtr ps = GetPictureScreen(pDst->pDrawable->pScreen); - - ValidatePicture (pDst); - (*ps->CompositeRects) (op, pDst, color, nRect, rects); -} - -void -CompositeTrapezoids (CARD8 op, - PicturePtr pSrc, - PicturePtr pDst, - PictFormatPtr maskFormat, - INT16 xSrc, - INT16 ySrc, - int ntrap, - xTrapezoid *traps) -{ - PictureScreenPtr ps = GetPictureScreen(pDst->pDrawable->pScreen); - - ValidatePicture (pSrc); - ValidatePicture (pDst); - (*ps->Trapezoids) (op, pSrc, pDst, maskFormat, xSrc, ySrc, ntrap, traps); -} - -void -CompositeTriangles (CARD8 op, - PicturePtr pSrc, - PicturePtr pDst, - PictFormatPtr maskFormat, - INT16 xSrc, - INT16 ySrc, - int ntriangles, - xTriangle *triangles) -{ - PictureScreenPtr ps = GetPictureScreen(pDst->pDrawable->pScreen); - - ValidatePicture (pSrc); - ValidatePicture (pDst); - (*ps->Triangles) (op, pSrc, pDst, maskFormat, xSrc, ySrc, ntriangles, triangles); -} - -void -CompositeTriStrip (CARD8 op, - PicturePtr pSrc, - PicturePtr pDst, - PictFormatPtr maskFormat, - INT16 xSrc, - INT16 ySrc, - int npoints, - xPointFixed *points) -{ - PictureScreenPtr ps = GetPictureScreen(pDst->pDrawable->pScreen); - - ValidatePicture (pSrc); - ValidatePicture (pDst); - (*ps->TriStrip) (op, pSrc, pDst, maskFormat, xSrc, ySrc, npoints, points); -} - -void -CompositeTriFan (CARD8 op, - PicturePtr pSrc, - PicturePtr pDst, - PictFormatPtr maskFormat, - INT16 xSrc, - INT16 ySrc, - int npoints, - xPointFixed *points) -{ - PictureScreenPtr ps = GetPictureScreen(pDst->pDrawable->pScreen); - - ValidatePicture (pSrc); - ValidatePicture (pDst); - (*ps->TriFan) (op, pSrc, pDst, maskFormat, xSrc, ySrc, npoints, points); -} - -void -AddTraps (PicturePtr pPicture, - INT16 xOff, - INT16 yOff, - int ntrap, - xTrap *traps) -{ - PictureScreenPtr ps = GetPictureScreen(pPicture->pDrawable->pScreen); - - ValidatePicture (pPicture); - (*ps->AddTraps) (pPicture, xOff, yOff, ntrap, traps); -} - -#define MAX_FIXED_48_16 ((xFixed_48_16) 0x7fffffff) -#define MIN_FIXED_48_16 (-((xFixed_48_16) 1 << 31)) - -Bool -PictureTransformPoint3d (PictTransformPtr transform, - PictVectorPtr vector) -{ - PictVector result; - int i, j; - xFixed_32_32 partial; - xFixed_48_16 v; - - for (j = 0; j < 3; j++) - { - v = 0; - for (i = 0; i < 3; i++) - { - partial = ((xFixed_48_16) transform->matrix[j][i] * - (xFixed_48_16) vector->vector[i]); - v += partial >> 16; - } - if (v > MAX_FIXED_48_16 || v < MIN_FIXED_48_16) - return FALSE; - result.vector[j] = (xFixed) v; - } - if (!result.vector[2]) - return FALSE; - *vector = result; - return TRUE; -} - - -Bool -PictureTransformPoint (PictTransformPtr transform, - PictVectorPtr vector) -{ - PictVector result; - int i, j; - xFixed_32_32 partial; - xFixed_48_16 v; - - for (j = 0; j < 3; j++) - { - v = 0; - for (i = 0; i < 3; i++) - { - partial = ((xFixed_48_16) transform->matrix[j][i] * - (xFixed_48_16) vector->vector[i]); - v += partial >> 16; - } - if (v > MAX_FIXED_48_16 || v < MIN_FIXED_48_16) - return FALSE; - result.vector[j] = (xFixed) v; - } - if (!result.vector[2]) - return FALSE; - for (j = 0; j < 2; j++) - { - partial = (xFixed_48_16) result.vector[j] << 16; - v = partial / result.vector[2]; - if (v > MAX_FIXED_48_16 || v < MIN_FIXED_48_16) - return FALSE; - vector->vector[j] = (xFixed) v; - } - vector->vector[2] = xFixed1; - return TRUE; -} |