From 57a879849643e79d9674198a3a77c59532fb79b4 Mon Sep 17 00:00:00 2001 From: marha Date: Thu, 28 Apr 2011 07:58:00 +0000 Subject: xserver xkeyboard-config mesa git update 28 Apr 2011 --- xorg-server/render/picture.c | 3618 +++++++++++++++++++-------------------- xorg-server/render/picturestr.h | 1344 +++++++-------- 2 files changed, 2428 insertions(+), 2534 deletions(-) (limited to 'xorg-server/render') diff --git a/xorg-server/render/picture.c b/xorg-server/render/picture.c index ee0f8dee5..5640c4d96 100644 --- a/xorg-server/render/picture.c +++ b/xorg-server/render/picture.c @@ -1,1838 +1,1780 @@ -/* - * - * 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 -#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" -#include "xace.h" - -DevPrivateKeyRec PictureScreenPrivateKeyRec; -DevPrivateKeyRec PictureWindowPrivateKeyRec; -static int PictureGeneration; -RESTYPE PictureType; -RESTYPE PictFormatType; -RESTYPE GlyphSetType; -int PictureCmapPolicy = PictureCmapPolicyDefault; - -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]); - GlyphUninit (pScreen); - SetPictureScreen(pScreen, 0); - free(ps->formats); - free(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_FORMAT(BitsPerPixel(8), - PICT_TYPE_A, - 8, 0, 0, 0); - formats[nformats].depth = 8; - nformats++; - formats[nformats].format = PICT_FORMAT(BitsPerPixel(4), - PICT_TYPE_A, - 4, 0, 0, 0); - 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++; - formats[nformats].format = PICT_b8g8r8a8; - formats[nformats].depth = 32; - nformats++; - formats[nformats].format = PICT_b8g8r8x8; - 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 three direct formats, - * fields must be packed together at the bottom of the pixel - */ - 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; - } - else if (pVisual->offsetRed == pVisual->offsetGreen - r && - pVisual->offsetGreen == pVisual->offsetBlue - g && - pVisual->offsetBlue == bpp - b) - { - type = PICT_TYPE_BGRA; - } - 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); - } - if (pDepth->depth >= 30) - { - nformats = addFormat (formats, nformats, - PICT_a2r10g10b10, pDepth->depth); - nformats = addFormat (formats, nformats, - PICT_x2r10g10b10, pDepth->depth); - nformats = addFormat (formats, nformats, - PICT_a2b10g10r10, pDepth->depth); - nformats = addFormat (formats, nformats, - PICT_x2b10g10r10, pDepth->depth); - } - break; - } - } - - - pFormats = calloc(nformats, sizeof (PictFormatRec)); - if (!pFormats) - return 0; - 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_BGRA: - pFormats[f].type = PictTypeDirect; - - pFormats[f].direct.blueMask = Mask(PICT_FORMAT_B(format)); - pFormats[f].direct.blue = (PICT_FORMAT_BPP(format) - PICT_FORMAT_B(format)); - - pFormats[f].direct.greenMask = Mask(PICT_FORMAT_G(format)); - pFormats[f].direct.green = (PICT_FORMAT_BPP(format) - PICT_FORMAT_B(format) - - PICT_FORMAT_G(format)); - - pFormats[f].direct.redMask = Mask(PICT_FORMAT_R(format)); - pFormats[f].direct.red = (PICT_FORMAT_BPP(format) - PICT_FORMAT_B(format) - - PICT_FORMAT_G(format) - PICT_FORMAT_R(format)); - - pFormats[f].direct.alphaMask = Mask(PICT_FORMAT_A(format)); - pFormats[f].direct.alpha = 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 -PictureInitIndexedFormat(ScreenPtr pScreen, PictFormatPtr format) -{ - PictureScreenPtr ps = GetPictureScreenIfSet(pScreen); - - if (format->type != PictTypeIndexed || format->index.pColormap) - return TRUE; - - if (format->index.vid == pScreen->rootVisual) { - dixLookupResourceByType((pointer *)&format->index.pColormap, - pScreen->defColormap, RT_COLORMAP, - serverClient, DixGetAttrAccess); - } else { - VisualPtr 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; - return TRUE; -} - -static 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 (!PictureInitIndexedFormat(pScreen, format++)) - return FALSE; - 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, "PICTURE"); - if (!PictureType) - return FALSE; - PictFormatType = CreateNewResourceType (FreePictFormat, "PICTFORMAT"); - if (!PictFormatType) - return FALSE; - GlyphSetType = CreateNewResourceType (FreeGlyphSet, "GLYPHSET"); - if (!GlyphSetType) - return FALSE; - PictureGeneration = serverGeneration; - } - if (!dixRegisterPrivateKey(&PictureScreenPrivateKeyRec, PRIVATE_SCREEN, 0)) - return FALSE; - - if (!dixRegisterPrivateKey(&PictureWindowPrivateKeyRec, PRIVATE_WINDOW, 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))) - { - free(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 if (formats[n].direct.red == 0) - type = PICT_TYPE_ABGR; - else - type = PICT_TYPE_BGRA; - 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) malloc(sizeof (PictureScreenRec)); - if (!ps) - { - free(formats); - return FALSE; - } - SetPictureScreen(pScreen, ps); - - 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); - free(formats); - free(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->filter = PictureGetFilterId (FilterNearest, -1, TRUE); - pPicture->filter_params = 0; - pPicture->filter_nparams = 0; - - pPicture->serialNumber = GC_CHANGE_SERIAL_BIT; - pPicture->stateChanges = -1; - pPicture->pSourcePict = 0; -} - -PicturePtr -CreatePicture (Picture pid, - DrawablePtr pDrawable, - PictFormatPtr pFormat, - Mask vmask, - XID *vlist, - ClientPtr client, - int *error) -{ - PicturePtr pPicture; - PictureScreenPtr ps = GetPictureScreen(pDrawable->pScreen); - - pPicture = dixAllocateObjectWithPrivates(PictureRec, PRIVATE_PICTURE); - if (!pPicture) - { - *error = BadAlloc; - return 0; - } - - pPicture->id = pid; - pPicture->pDrawable = pDrawable; - pPicture->pFormat = pFormat; - pPicture->format = pFormat->format | (pDrawable->bitsPerPixel << 24); - - /* security creation/labeling check */ - *error = XaceHook(XACE_RESOURCE_ACCESS, client, pid, PictureType, pPicture, - RT_PIXMAP, pDrawable, DixCreateAccess|DixSetAttrAccess); - if (*error != Success) - goto out; - - 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); -out: - 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 + 0x800080; - t = (t + ((t >> 8) & 0xff00ff)) >> 8; - t &= 0xff00ff; - - x = ((x >> 8) & 0xff) * a + 0x80; - x = (x + ((x >> 8) & 0xff)); - 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; -} - -CARD32 -PictureGradientColor (PictGradientStopPtr stop1, - PictGradientStopPtr stop2, - CARD32 x) -{ - CARD32 current_color, next_color; - int dist, idist; - - current_color = xRenderColorToCard32 (stop1->color); - next_color = xRenderColorToCard32 (stop2->color); - - dist = (int) (256 * (x - stop1->x) / (stop2->x - stop1->x)); - idist = 256 - dist; - - return premultiply (INTERPOLATE_PIXEL_256 (current_color, idist, - next_color, dist)); -} - -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->gradient.stops = malloc(stopCount*sizeof(PictGradientStop)); - if (!pGradient->gradient.stops) { - *error = BadAlloc; - return; - } - - pGradient->gradient.nstops = stopCount; - - for (i = 0; i < stopCount; ++i) { - pGradient->gradient.stops[i].x = stopPoints[i]; - pGradient->gradient.stops[i].color = stopColors[i]; - } - - pGradient->gradient.class = SourcePictClassUnknown; - pGradient->gradient.stopRange = 0xffff; - pGradient->gradient.colorTable = NULL; - pGradient->gradient.colorTableSize = 0; -} - -static PicturePtr createSourcePicture(void) -{ - PicturePtr pPicture; - pPicture = dixAllocateObjectWithPrivates(PictureRec, PRIVATE_PICTURE); - pPicture->pDrawable = 0; - pPicture->pFormat = 0; - pPicture->pNext = 0; - pPicture->format = PICT_a8r8g8b8; - - 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) malloc(sizeof(PictSolidFill)); - if (!pPicture->pSourcePict) { - *error = BadAlloc; - free(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; - } - - pPicture->id = pid; - pPicture->pSourcePict = (SourcePictPtr) malloc(sizeof(PictLinearGradient)); - if (!pPicture->pSourcePict) { - *error = BadAlloc; - free(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) { - free(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; - } - - pPicture->id = pid; - pPicture->pSourcePict = (SourcePictPtr) malloc(sizeof(PictRadialGradient)); - if (!pPicture->pSourcePict) { - *error = BadAlloc; - free(pPicture); - return 0; - } - radial = &pPicture->pSourcePict->radial; - - radial->type = SourcePictTypeRadial; - radial->c1.x = inner->x; - radial->c1.y = inner->y; - radial->c1.radius = innerRadius; - radial->c2.x = outer->x; - radial->c2.y = outer->y; - radial->c2.radius = outerRadius; - radial->cdx = (radial->c2.x - radial->c1.x) / 65536.; - radial->cdy = (radial->c2.y - radial->c1.y) / 65536.; - radial->dr = (radial->c2.radius - radial->c1.radius) / 65536.; - radial->A = ( radial->cdx * radial->cdx - + radial->cdy * radial->cdy - - radial->dr * radial->dr); - - initGradient(pPicture->pSourcePict, nStops, stops, colors, error); - if (*error) { - free(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) malloc(sizeof(PictConicalGradient)); - if (!pPicture->pSourcePict) { - *error = BadAlloc; - free(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) { - free(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 - { - error = dixLookupResourceByType((pointer *)&pAlpha, pid, - PictureType, client, - DixReadAccess); - if (error != Success) - { - client->errorValue = pid; - break; - } - if (pAlpha->pDrawable == NULL || - 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; - error = dixLookupResourceByType((pointer *)&pPixmap, pid, - RT_PIXMAP, client, - DixReadAccess); - if (error != Success) - { - client->errorValue = pid; - 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: - (void) NEXT_VAL(Atom); /* unimplemented */ - 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 = RegionFromRects(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 = RegionCreate(RegionExtents(pRegion), - RegionNumRects(pRegion)); - if (!clientClip) - return BadAlloc; - if (!RegionCopy(clientClip, pRegion)) - { - RegionDestroy(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; -} - -static Bool -transformIsIdentity(PictTransform *t) -{ - return ((t->matrix[0][0] == t->matrix[1][1]) && - (t->matrix[0][0] == t->matrix[2][2]) && - (t->matrix[0][0] != 0) && - (t->matrix[0][1] == 0) && - (t->matrix[0][2] == 0) && - (t->matrix[1][0] == 0) && - (t->matrix[1][2] == 0) && - (t->matrix[2][0] == 0) && - (t->matrix[2][1] == 0)); -} - -int -SetPictureTransform (PicturePtr pPicture, - PictTransform *transform) -{ - if (transform && transformIsIdentity (transform)) - transform = 0; - - if (transform) - { - if (!pPicture->transform) - { - pPicture->transform = (PictTransform *) malloc(sizeof (PictTransform)); - if (!pPicture->transform) - return BadAlloc; - } - *pPicture->transform = *transform; - } - else - { - free(pPicture->transform); - pPicture->transform = NULL; - } - pPicture->serialNumber |= GC_CHANGE_SERIAL_BIT; - - if (pPicture->pDrawable != NULL) { - int result; - PictureScreenPtr ps = GetPictureScreen(pPicture->pDrawable->pScreen); - - result = (*ps->ChangePictureTransform) (pPicture, transform); - - return result; - } - - 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 = RegionCreate( - RegionExtents(srcClientClip), - RegionNumRects(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: - 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) - { - free(pPicture->transform); - - if (pPicture->pSourcePict) - { - if (pPicture->pSourcePict->type != SourcePictTypeSolidFill) - free(pPicture->pSourcePict->linear.stops); - - free(pPicture->pSourcePict); - } - - if (pPicture->pDrawable) - { - 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 *)dixLookupPrivateAddr - (&pWindow->devPrivates, PictureWindowPrivateKey); - *pPrev; - pPrev = &(*pPrev)->pNext) - { - if (*pPrev == pPicture) - { - *pPrev = pPicture->pNext; - break; - } - } - } - else if (pPicture->pDrawable->type == DRAWABLE_PIXMAP) - { - (*pScreen->DestroyPixmap) ((PixmapPtr)pPicture->pDrawable); - } - } - dixFreeObjectWithPrivates(pPicture, PRIVATE_PICTURE); - } - return Success; -} - -int -FreePictFormat (pointer pPictFormat, - XID pid) -{ - return Success; -} - -/** - * ReduceCompositeOp is used to choose simpler ops for cases where alpha - * channels are always one and so math on the alpha channel per pixel becomes - * unnecessary. It may also avoid destination reads sometimes if apps aren't - * being careful to avoid these cases. - */ -static CARD8 -ReduceCompositeOp (CARD8 op, PicturePtr pSrc, PicturePtr pMask, PicturePtr pDst, - INT16 xSrc, INT16 ySrc, CARD16 width, CARD16 height) -{ - Bool no_src_alpha, no_dst_alpha; - - /* Sampling off the edge of a RepeatNone picture introduces alpha - * even if the picture itself doesn't have alpha. We don't try to - * detect every case where we don't sample off the edge, just the - * simplest case where there is no transform on the source - * picture. - */ - no_src_alpha = PICT_FORMAT_COLOR(pSrc->format) && - PICT_FORMAT_A(pSrc->format) == 0 && - (pSrc->repeatType != RepeatNone || - (!pSrc->transform && - xSrc >= 0 && ySrc >= 0 && - xSrc + width <= pSrc->pDrawable->width && - ySrc + height <= pSrc->pDrawable->height)) && - pSrc->alphaMap == NULL && - pMask == NULL; - no_dst_alpha = PICT_FORMAT_COLOR(pDst->format) && - PICT_FORMAT_A(pDst->format) == 0 && - pDst->alphaMap == NULL; - - /* TODO, maybe: Conjoint and Disjoint op reductions? */ - - /* Deal with simplifications where the source alpha is always 1. */ - if (no_src_alpha) - { - switch (op) { - case PictOpOver: - op = PictOpSrc; - break; - case PictOpInReverse: - op = PictOpDst; - break; - case PictOpOutReverse: - op = PictOpClear; - break; - case PictOpAtop: - op = PictOpIn; - break; - case PictOpAtopReverse: - op = PictOpOverReverse; - break; - case PictOpXor: - op = PictOpOut; - break; - default: - break; - } - } - - /* Deal with simplifications when the destination alpha is always 1 */ - if (no_dst_alpha) - { - switch (op) { - case PictOpOverReverse: - op = PictOpDst; - break; - case PictOpIn: - op = PictOpSrc; - break; - case PictOpOut: - op = PictOpClear; - break; - case PictOpAtop: - op = PictOpOver; - break; - case PictOpXor: - op = PictOpOutReverse; - break; - default: - break; - } - } - - /* Reduce some con/disjoint ops to the basic names. */ - switch (op) { - case PictOpDisjointClear: - case PictOpConjointClear: - op = PictOpClear; - break; - case PictOpDisjointSrc: - case PictOpConjointSrc: - op = PictOpSrc; - break; - case PictOpDisjointDst: - case PictOpConjointDst: - op = PictOpDst; - break; - default: - break; - } - - return op; -} - -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); - - op = ReduceCompositeOp (op, pSrc, pMask, pDst, xSrc, ySrc, width, height); - if (op == PictOpDst) - return; - - (*ps->Composite) (op, - pSrc, - pMask, - pDst, - xSrc, - ySrc, - xMask, - yMask, - xDst, - yDst, - width, - height); -} - -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) -{ - xTriangle *tris, *tri; - int ntri; - - if (npoints < 3) - return; - ntri = npoints - 2; - tris = malloc(ntri * sizeof (xTriangle)); - if (!tris) - return; - for (tri = tris; npoints >= 3; npoints--, points++, tri++) - { - tri->p1 = points[0]; - tri->p2 = points[1]; - tri->p3 = points[2]; - } - CompositeTriangles (op, pSrc, pDst, maskFormat, xSrc, ySrc, ntri, tris); - free(tris); -} - -void -CompositeTriFan (CARD8 op, - PicturePtr pSrc, - PicturePtr pDst, - PictFormatPtr maskFormat, - INT16 xSrc, - INT16 ySrc, - int npoints, - xPointFixed *points) -{ - xTriangle *tris, *tri; - xPointFixed *first; - int ntri; - - if (npoints < 3) - return; - ntri = npoints - 2; - tris = malloc(ntri * sizeof (xTriangle)); - if (!tris) - return; - first = points++; - for (tri = tris; npoints >= 3; npoints--, points++, tri++) - { - tri->p1 = *first; - tri->p2 = points[0]; - tri->p3 = points[1]; - } - CompositeTriangles (op, pSrc, pDst, maskFormat, xSrc, ySrc, ntri, tris); - free(tris); -} - -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); -} - +/* + * + * 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 +#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" +#include "xace.h" + +DevPrivateKeyRec PictureScreenPrivateKeyRec; +DevPrivateKeyRec PictureWindowPrivateKeyRec; +static int PictureGeneration; +RESTYPE PictureType; +RESTYPE PictFormatType; +RESTYPE GlyphSetType; +int PictureCmapPolicy = PictureCmapPolicyDefault; + +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]); + GlyphUninit (pScreen); + SetPictureScreen(pScreen, 0); + free(ps->formats); + free(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) ((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_FORMAT(BitsPerPixel(8), + PICT_TYPE_A, + 8, 0, 0, 0); + formats[nformats].depth = 8; + nformats++; + formats[nformats].format = PICT_FORMAT(BitsPerPixel(4), + PICT_TYPE_A, + 4, 0, 0, 0); + 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++; + formats[nformats].format = PICT_b8g8r8a8; + formats[nformats].depth = 32; + nformats++; + formats[nformats].format = PICT_b8g8r8x8; + 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 three direct formats, + * fields must be packed together at the bottom of the pixel + */ + 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; + } + else if (pVisual->offsetRed == pVisual->offsetGreen - r && + pVisual->offsetGreen == pVisual->offsetBlue - g && + pVisual->offsetBlue == bpp - b) + { + type = PICT_TYPE_BGRA; + } + 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); + } + if (pDepth->depth >= 30) + { + nformats = addFormat (formats, nformats, + PICT_a2r10g10b10, pDepth->depth); + nformats = addFormat (formats, nformats, + PICT_x2r10g10b10, pDepth->depth); + nformats = addFormat (formats, nformats, + PICT_a2b10g10r10, pDepth->depth); + nformats = addFormat (formats, nformats, + PICT_x2b10g10r10, pDepth->depth); + } + break; + } + } + + + pFormats = calloc(nformats, sizeof (PictFormatRec)); + if (!pFormats) + return 0; + 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_BGRA: + pFormats[f].type = PictTypeDirect; + + pFormats[f].direct.blueMask = Mask(PICT_FORMAT_B(format)); + pFormats[f].direct.blue = (PICT_FORMAT_BPP(format) - PICT_FORMAT_B(format)); + + pFormats[f].direct.greenMask = Mask(PICT_FORMAT_G(format)); + pFormats[f].direct.green = (PICT_FORMAT_BPP(format) - PICT_FORMAT_B(format) - + PICT_FORMAT_G(format)); + + pFormats[f].direct.redMask = Mask(PICT_FORMAT_R(format)); + pFormats[f].direct.red = (PICT_FORMAT_BPP(format) - PICT_FORMAT_B(format) - + PICT_FORMAT_G(format) - PICT_FORMAT_R(format)); + + pFormats[f].direct.alphaMask = Mask(PICT_FORMAT_A(format)); + pFormats[f].direct.alpha = 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 +PictureInitIndexedFormat(ScreenPtr pScreen, PictFormatPtr format) +{ + PictureScreenPtr ps = GetPictureScreenIfSet(pScreen); + + if (format->type != PictTypeIndexed || format->index.pColormap) + return TRUE; + + if (format->index.vid == pScreen->rootVisual) { + dixLookupResourceByType((pointer *)&format->index.pColormap, + pScreen->defColormap, RT_COLORMAP, + serverClient, DixGetAttrAccess); + } else { + VisualPtr 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; + return TRUE; +} + +static 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 (!PictureInitIndexedFormat(pScreen, format++)) + return FALSE; + 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, "PICTURE"); + if (!PictureType) + return FALSE; + PictFormatType = CreateNewResourceType (FreePictFormat, "PICTFORMAT"); + if (!PictFormatType) + return FALSE; + GlyphSetType = CreateNewResourceType (FreeGlyphSet, "GLYPHSET"); + if (!GlyphSetType) + return FALSE; + PictureGeneration = serverGeneration; + } + if (!dixRegisterPrivateKey(&PictureScreenPrivateKeyRec, PRIVATE_SCREEN, 0)) + return FALSE; + + if (!dixRegisterPrivateKey(&PictureWindowPrivateKeyRec, PRIVATE_WINDOW, 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))) + { + free(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 if (formats[n].direct.red == 0) + type = PICT_TYPE_ABGR; + else + type = PICT_TYPE_BGRA; + 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) malloc(sizeof (PictureScreenRec)); + if (!ps) + { + free(formats); + return FALSE; + } + SetPictureScreen(pScreen, ps); + + 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); + free(formats); + free(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->filter = PictureGetFilterId (FilterNearest, -1, TRUE); + pPicture->filter_params = 0; + pPicture->filter_nparams = 0; + + pPicture->serialNumber = GC_CHANGE_SERIAL_BIT; + pPicture->stateChanges = -1; + pPicture->pSourcePict = 0; +} + +PicturePtr +CreatePicture (Picture pid, + DrawablePtr pDrawable, + PictFormatPtr pFormat, + Mask vmask, + XID *vlist, + ClientPtr client, + int *error) +{ + PicturePtr pPicture; + PictureScreenPtr ps = GetPictureScreen(pDrawable->pScreen); + + pPicture = dixAllocateObjectWithPrivates(PictureRec, PRIVATE_PICTURE); + if (!pPicture) + { + *error = BadAlloc; + return 0; + } + + pPicture->id = pid; + pPicture->pDrawable = pDrawable; + pPicture->pFormat = pFormat; + pPicture->format = pFormat->format | (pDrawable->bitsPerPixel << 24); + + /* security creation/labeling check */ + *error = XaceHook(XACE_RESOURCE_ACCESS, client, pid, PictureType, pPicture, + RT_PIXMAP, pDrawable, DixCreateAccess|DixSetAttrAccess); + if (*error != Success) + goto out; + + 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); +out: + 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 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->gradient.stops = malloc(stopCount*sizeof(PictGradientStop)); + if (!pGradient->gradient.stops) { + *error = BadAlloc; + return; + } + + pGradient->gradient.nstops = stopCount; + + for (i = 0; i < stopCount; ++i) { + pGradient->gradient.stops[i].x = stopPoints[i]; + pGradient->gradient.stops[i].color = stopColors[i]; + } +} + +static PicturePtr createSourcePicture(void) +{ + PicturePtr pPicture; + pPicture = dixAllocateObjectWithPrivates(PictureRec, PRIVATE_PICTURE); + pPicture->pDrawable = 0; + pPicture->pFormat = 0; + pPicture->pNext = 0; + pPicture->format = PICT_a8r8g8b8; + + 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) malloc(sizeof(PictSolidFill)); + if (!pPicture->pSourcePict) { + *error = BadAlloc; + free(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; + } + + pPicture->id = pid; + pPicture->pSourcePict = (SourcePictPtr) malloc(sizeof(PictLinearGradient)); + if (!pPicture->pSourcePict) { + *error = BadAlloc; + free(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) { + free(pPicture); + return 0; + } + return pPicture; +} + +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; + } + + pPicture->id = pid; + pPicture->pSourcePict = (SourcePictPtr) malloc(sizeof(PictRadialGradient)); + if (!pPicture->pSourcePict) { + *error = BadAlloc; + free(pPicture); + return 0; + } + radial = &pPicture->pSourcePict->radial; + + radial->type = SourcePictTypeRadial; + radial->c1.x = inner->x; + radial->c1.y = inner->y; + radial->c1.radius = innerRadius; + radial->c2.x = outer->x; + radial->c2.y = outer->y; + radial->c2.radius = outerRadius; + + initGradient(pPicture->pSourcePict, nStops, stops, colors, error); + if (*error) { + free(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) malloc(sizeof(PictConicalGradient)); + if (!pPicture->pSourcePict) { + *error = BadAlloc; + free(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) { + free(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 + { + error = dixLookupResourceByType((pointer *)&pAlpha, pid, + PictureType, client, + DixReadAccess); + if (error != Success) + { + client->errorValue = pid; + break; + } + if (pAlpha->pDrawable == NULL || + 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; + error = dixLookupResourceByType((pointer *)&pPixmap, pid, + RT_PIXMAP, client, + DixReadAccess); + if (error != Success) + { + client->errorValue = pid; + 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: + (void) NEXT_VAL(Atom); /* unimplemented */ + 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 = RegionFromRects(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 = RegionCreate(RegionExtents(pRegion), + RegionNumRects(pRegion)); + if (!clientClip) + return BadAlloc; + if (!RegionCopy(clientClip, pRegion)) + { + RegionDestroy(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; +} + +static Bool +transformIsIdentity(PictTransform *t) +{ + return ((t->matrix[0][0] == t->matrix[1][1]) && + (t->matrix[0][0] == t->matrix[2][2]) && + (t->matrix[0][0] != 0) && + (t->matrix[0][1] == 0) && + (t->matrix[0][2] == 0) && + (t->matrix[1][0] == 0) && + (t->matrix[1][2] == 0) && + (t->matrix[2][0] == 0) && + (t->matrix[2][1] == 0)); +} + +int +SetPictureTransform (PicturePtr pPicture, + PictTransform *transform) +{ + if (transform && transformIsIdentity (transform)) + transform = 0; + + if (transform) + { + if (!pPicture->transform) + { + pPicture->transform = (PictTransform *) malloc(sizeof (PictTransform)); + if (!pPicture->transform) + return BadAlloc; + } + *pPicture->transform = *transform; + } + else + { + free(pPicture->transform); + pPicture->transform = NULL; + } + pPicture->serialNumber |= GC_CHANGE_SERIAL_BIT; + + if (pPicture->pDrawable != NULL) { + int result; + PictureScreenPtr ps = GetPictureScreen(pPicture->pDrawable->pScreen); + + result = (*ps->ChangePictureTransform) (pPicture, transform); + + return result; + } + + 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 = RegionCreate( + RegionExtents(srcClientClip), + RegionNumRects(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: + 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) + { + free(pPicture->transform); + + if (pPicture->pSourcePict) + { + if (pPicture->pSourcePict->type != SourcePictTypeSolidFill) + free(pPicture->pSourcePict->linear.stops); + + free(pPicture->pSourcePict); + } + + if (pPicture->pDrawable) + { + 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 *)dixLookupPrivateAddr + (&pWindow->devPrivates, PictureWindowPrivateKey); + *pPrev; + pPrev = &(*pPrev)->pNext) + { + if (*pPrev == pPicture) + { + *pPrev = pPicture->pNext; + break; + } + } + } + else if (pPicture->pDrawable->type == DRAWABLE_PIXMAP) + { + (*pScreen->DestroyPixmap) ((PixmapPtr)pPicture->pDrawable); + } + } + dixFreeObjectWithPrivates(pPicture, PRIVATE_PICTURE); + } + return Success; +} + +int +FreePictFormat (pointer pPictFormat, + XID pid) +{ + return Success; +} + +/** + * ReduceCompositeOp is used to choose simpler ops for cases where alpha + * channels are always one and so math on the alpha channel per pixel becomes + * unnecessary. It may also avoid destination reads sometimes if apps aren't + * being careful to avoid these cases. + */ +static CARD8 +ReduceCompositeOp (CARD8 op, PicturePtr pSrc, PicturePtr pMask, PicturePtr pDst, + INT16 xSrc, INT16 ySrc, CARD16 width, CARD16 height) +{ + Bool no_src_alpha, no_dst_alpha; + + /* Sampling off the edge of a RepeatNone picture introduces alpha + * even if the picture itself doesn't have alpha. We don't try to + * detect every case where we don't sample off the edge, just the + * simplest case where there is no transform on the source + * picture. + */ + no_src_alpha = PICT_FORMAT_COLOR(pSrc->format) && + PICT_FORMAT_A(pSrc->format) == 0 && + (pSrc->repeatType != RepeatNone || + (!pSrc->transform && + xSrc >= 0 && ySrc >= 0 && + xSrc + width <= pSrc->pDrawable->width && + ySrc + height <= pSrc->pDrawable->height)) && + pSrc->alphaMap == NULL && + pMask == NULL; + no_dst_alpha = PICT_FORMAT_COLOR(pDst->format) && + PICT_FORMAT_A(pDst->format) == 0 && + pDst->alphaMap == NULL; + + /* TODO, maybe: Conjoint and Disjoint op reductions? */ + + /* Deal with simplifications where the source alpha is always 1. */ + if (no_src_alpha) + { + switch (op) { + case PictOpOver: + op = PictOpSrc; + break; + case PictOpInReverse: + op = PictOpDst; + break; + case PictOpOutReverse: + op = PictOpClear; + break; + case PictOpAtop: + op = PictOpIn; + break; + case PictOpAtopReverse: + op = PictOpOverReverse; + break; + case PictOpXor: + op = PictOpOut; + break; + default: + break; + } + } + + /* Deal with simplifications when the destination alpha is always 1 */ + if (no_dst_alpha) + { + switch (op) { + case PictOpOverReverse: + op = PictOpDst; + break; + case PictOpIn: + op = PictOpSrc; + break; + case PictOpOut: + op = PictOpClear; + break; + case PictOpAtop: + op = PictOpOver; + break; + case PictOpXor: + op = PictOpOutReverse; + break; + default: + break; + } + } + + /* Reduce some con/disjoint ops to the basic names. */ + switch (op) { + case PictOpDisjointClear: + case PictOpConjointClear: + op = PictOpClear; + break; + case PictOpDisjointSrc: + case PictOpConjointSrc: + op = PictOpSrc; + break; + case PictOpDisjointDst: + case PictOpConjointDst: + op = PictOpDst; + break; + default: + break; + } + + return op; +} + +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); + + op = ReduceCompositeOp (op, pSrc, pMask, pDst, xSrc, ySrc, width, height); + if (op == PictOpDst) + return; + + (*ps->Composite) (op, + pSrc, + pMask, + pDst, + xSrc, + ySrc, + xMask, + yMask, + xDst, + yDst, + width, + height); +} + +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) +{ + xTriangle *tris, *tri; + int ntri; + + if (npoints < 3) + return; + ntri = npoints - 2; + tris = malloc(ntri * sizeof (xTriangle)); + if (!tris) + return; + for (tri = tris; npoints >= 3; npoints--, points++, tri++) + { + tri->p1 = points[0]; + tri->p2 = points[1]; + tri->p3 = points[2]; + } + CompositeTriangles (op, pSrc, pDst, maskFormat, xSrc, ySrc, ntri, tris); + free(tris); +} + +void +CompositeTriFan (CARD8 op, + PicturePtr pSrc, + PicturePtr pDst, + PictFormatPtr maskFormat, + INT16 xSrc, + INT16 ySrc, + int npoints, + xPointFixed *points) +{ + xTriangle *tris, *tri; + xPointFixed *first; + int ntri; + + if (npoints < 3) + return; + ntri = npoints - 2; + tris = malloc(ntri * sizeof (xTriangle)); + if (!tris) + return; + first = points++; + for (tri = tris; npoints >= 3; npoints--, points++, tri++) + { + tri->p1 = *first; + tri->p2 = points[0]; + tri->p3 = points[1]; + } + CompositeTriangles (op, pSrc, pDst, maskFormat, xSrc, ySrc, ntri, tris); + free(tris); +} + +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); +} + diff --git a/xorg-server/render/picturestr.h b/xorg-server/render/picturestr.h index f642bf0df..7b7f9112d 100644 --- a/xorg-server/render/picturestr.h +++ b/xorg-server/render/picturestr.h @@ -1,696 +1,648 @@ -/* - * 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. - */ - -#ifndef _PICTURESTR_H_ -#define _PICTURESTR_H_ - -#include "scrnintstr.h" -#include "glyphstr.h" -#include "resource.h" -#include "privates.h" - -typedef struct _DirectFormat { - CARD16 red, redMask; - CARD16 green, greenMask; - CARD16 blue, blueMask; - CARD16 alpha, alphaMask; -} DirectFormatRec; - -typedef struct _IndexFormat { - VisualID vid; - ColormapPtr pColormap; - int nvalues; - xIndexValue *pValues; - void *devPrivate; -} IndexFormatRec; - -typedef struct _PictFormat { - CARD32 id; - CARD32 format; /* except bpp */ - unsigned char type; - unsigned char depth; - DirectFormatRec direct; - IndexFormatRec index; -} PictFormatRec; - -typedef struct pixman_vector PictVector, *PictVectorPtr; -typedef struct pixman_transform PictTransform, *PictTransformPtr; - -#define pict_f_vector pixman_f_vector -#define pict_f_transform pixman_f_transform - -#define PICT_GRADIENT_STOPTABLE_SIZE 1024 -#define SourcePictTypeSolidFill 0 -#define SourcePictTypeLinear 1 -#define SourcePictTypeRadial 2 -#define SourcePictTypeConical 3 - -#define SourcePictClassUnknown 0 -#define SourcePictClassHorizontal 1 -#define SourcePictClassVertical 2 - -typedef struct _PictSolidFill { - unsigned int type; - unsigned int class; - CARD32 color; -} PictSolidFill, *PictSolidFillPtr; - -typedef struct _PictGradientStop { - xFixed x; - xRenderColor color; -} PictGradientStop, *PictGradientStopPtr; - -typedef struct _PictGradient { - unsigned int type; - unsigned int class; - int nstops; - PictGradientStopPtr stops; - int stopRange; - CARD32 *colorTable; - int colorTableSize; -} PictGradient, *PictGradientPtr; - -typedef struct _PictLinearGradient { - unsigned int type; - unsigned int class; - int nstops; - PictGradientStopPtr stops; - int stopRange; - CARD32 *colorTable; - int colorTableSize; - xPointFixed p1; - xPointFixed p2; -} PictLinearGradient, *PictLinearGradientPtr; - -typedef struct _PictCircle { - xFixed x; - xFixed y; - xFixed radius; -} PictCircle, *PictCirclePtr; - -typedef struct _PictRadialGradient { - unsigned int type; - unsigned int class; - int nstops; - PictGradientStopPtr stops; - int stopRange; - CARD32 *colorTable; - int colorTableSize; - PictCircle c1; - PictCircle c2; - double cdx; - double cdy; - double dr; - double A; -} PictRadialGradient, *PictRadialGradientPtr; - -typedef struct _PictConicalGradient { - unsigned int type; - unsigned int class; - int nstops; - PictGradientStopPtr stops; - int stopRange; - CARD32 *colorTable; - int colorTableSize; - xPointFixed center; - xFixed angle; -} PictConicalGradient, *PictConicalGradientPtr; - -typedef union _SourcePict { - unsigned int type; - PictSolidFill solidFill; - PictGradient gradient; - PictLinearGradient linear; - PictRadialGradient radial; - PictConicalGradient conical; -} SourcePict, *SourcePictPtr; - -typedef struct _Picture { - DrawablePtr pDrawable; - PictFormatPtr pFormat; - PictFormatShort format; /* PICT_FORMAT */ - int refcnt; - CARD32 id; - unsigned int repeat : 1; - unsigned int graphicsExposures : 1; - unsigned int subWindowMode : 1; - unsigned int polyEdge : 1; - unsigned int polyMode : 1; - unsigned int freeCompClip : 1; - unsigned int clientClipType : 2; - unsigned int componentAlpha : 1; - unsigned int repeatType : 2; - unsigned int filter : 3; - unsigned int stateChanges : CPLastBit; - unsigned int unused : 18 - CPLastBit; - - PicturePtr pNext; /* chain on same drawable */ - - PicturePtr alphaMap; - DDXPointRec alphaOrigin; - - DDXPointRec clipOrigin; - pointer clientClip; - - unsigned long serialNumber; - - RegionPtr pCompositeClip; - - PrivateRec *devPrivates; - - PictTransform *transform; - - SourcePictPtr pSourcePict; - xFixed *filter_params; - int filter_nparams; -} PictureRec; - -typedef Bool (*PictFilterValidateParamsProcPtr) (ScreenPtr pScreen, int id, - xFixed *params, int nparams, - int *width, int *height); -typedef struct { - char *name; - int id; - PictFilterValidateParamsProcPtr ValidateParams; - int width, height; -} PictFilterRec, *PictFilterPtr; - -#define PictFilterNearest 0 -#define PictFilterBilinear 1 - -#define PictFilterFast 2 -#define PictFilterGood 3 -#define PictFilterBest 4 - -#define PictFilterConvolution 5 -/* if you add an 8th filter, expand the filter bitfield above */ - -typedef struct { - char *alias; - int alias_id; - int filter_id; -} PictFilterAliasRec, *PictFilterAliasPtr; - -typedef int (*CreatePictureProcPtr) (PicturePtr pPicture); -typedef void (*DestroyPictureProcPtr) (PicturePtr pPicture); -typedef int (*ChangePictureClipProcPtr) (PicturePtr pPicture, - int clipType, - pointer value, - int n); -typedef void (*DestroyPictureClipProcPtr)(PicturePtr pPicture); - -typedef int (*ChangePictureTransformProcPtr) (PicturePtr pPicture, - PictTransform *transform); - -typedef int (*ChangePictureFilterProcPtr) (PicturePtr pPicture, - int filter, - xFixed *params, - int nparams); - -typedef void (*DestroyPictureFilterProcPtr) (PicturePtr pPicture); - -typedef void (*ChangePictureProcPtr) (PicturePtr pPicture, - Mask mask); -typedef void (*ValidatePictureProcPtr) (PicturePtr pPicture, - Mask mask); -typedef void (*CompositeProcPtr) (CARD8 op, - PicturePtr pSrc, - PicturePtr pMask, - PicturePtr pDst, - INT16 xSrc, - INT16 ySrc, - INT16 xMask, - INT16 yMask, - INT16 xDst, - INT16 yDst, - CARD16 width, - CARD16 height); - -typedef void (*GlyphsProcPtr) (CARD8 op, - PicturePtr pSrc, - PicturePtr pDst, - PictFormatPtr maskFormat, - INT16 xSrc, - INT16 ySrc, - int nlists, - GlyphListPtr lists, - GlyphPtr *glyphs); - -typedef void (*CompositeRectsProcPtr) (CARD8 op, - PicturePtr pDst, - xRenderColor *color, - int nRect, - xRectangle *rects); - -typedef void (*RasterizeTrapezoidProcPtr)(PicturePtr pMask, - xTrapezoid *trap, - int x_off, - int y_off); - -typedef void (*TrapezoidsProcPtr) (CARD8 op, - PicturePtr pSrc, - PicturePtr pDst, - PictFormatPtr maskFormat, - INT16 xSrc, - INT16 ySrc, - int ntrap, - xTrapezoid *traps); - -typedef void (*TrianglesProcPtr) (CARD8 op, - PicturePtr pSrc, - PicturePtr pDst, - PictFormatPtr maskFormat, - INT16 xSrc, - INT16 ySrc, - int ntri, - xTriangle *tris); - -typedef void (*TriStripProcPtr) (CARD8 op, - PicturePtr pSrc, - PicturePtr pDst, - PictFormatPtr maskFormat, - INT16 xSrc, - INT16 ySrc, - int npoint, - xPointFixed *points); - -typedef void (*TriFanProcPtr) (CARD8 op, - PicturePtr pSrc, - PicturePtr pDst, - PictFormatPtr maskFormat, - INT16 xSrc, - INT16 ySrc, - int npoint, - xPointFixed *points); - -typedef Bool (*InitIndexedProcPtr) (ScreenPtr pScreen, - PictFormatPtr pFormat); - -typedef void (*CloseIndexedProcPtr) (ScreenPtr pScreen, - PictFormatPtr pFormat); - -typedef void (*UpdateIndexedProcPtr) (ScreenPtr pScreen, - PictFormatPtr pFormat, - int ndef, - xColorItem *pdef); - -typedef void (*AddTrapsProcPtr) (PicturePtr pPicture, - INT16 xOff, - INT16 yOff, - int ntrap, - xTrap *traps); - -typedef void (*AddTrianglesProcPtr) (PicturePtr pPicture, - INT16 xOff, - INT16 yOff, - int ntri, - xTriangle *tris); - -typedef Bool (*RealizeGlyphProcPtr) (ScreenPtr pScreen, - GlyphPtr glyph); - -typedef void (*UnrealizeGlyphProcPtr) (ScreenPtr pScreen, - GlyphPtr glyph); - -typedef struct _PictureScreen { - PictFormatPtr formats; - PictFormatPtr fallback; - int nformats; - - CreatePictureProcPtr CreatePicture; - DestroyPictureProcPtr DestroyPicture; - ChangePictureClipProcPtr ChangePictureClip; - DestroyPictureClipProcPtr DestroyPictureClip; - - ChangePictureProcPtr ChangePicture; - ValidatePictureProcPtr ValidatePicture; - - CompositeProcPtr Composite; - GlyphsProcPtr Glyphs; /* unused */ - CompositeRectsProcPtr CompositeRects; - - DestroyWindowProcPtr DestroyWindow; - CloseScreenProcPtr CloseScreen; - - StoreColorsProcPtr StoreColors; - - InitIndexedProcPtr InitIndexed; - CloseIndexedProcPtr CloseIndexed; - UpdateIndexedProcPtr UpdateIndexed; - - int subpixel; - - PictFilterPtr filters; - int nfilters; - PictFilterAliasPtr filterAliases; - int nfilterAliases; - - /** - * Called immediately after a picture's transform is changed through the - * SetPictureTransform request. Not called for source-only pictures. - */ - ChangePictureTransformProcPtr ChangePictureTransform; - - /** - * Called immediately after a picture's transform is changed through the - * SetPictureFilter request. Not called for source-only pictures. - */ - ChangePictureFilterProcPtr ChangePictureFilter; - - DestroyPictureFilterProcPtr DestroyPictureFilter; - - TrapezoidsProcPtr Trapezoids; - TrianglesProcPtr Triangles; - - RasterizeTrapezoidProcPtr RasterizeTrapezoid; - - AddTrianglesProcPtr AddTriangles; - - AddTrapsProcPtr AddTraps; - - RealizeGlyphProcPtr RealizeGlyph; - UnrealizeGlyphProcPtr UnrealizeGlyph; - -} PictureScreenRec, *PictureScreenPtr; - -extern _X_EXPORT DevPrivateKeyRec PictureScreenPrivateKeyRec; -#define PictureScreenPrivateKey (&PictureScreenPrivateKeyRec) - -extern _X_EXPORT DevPrivateKeyRec PictureWindowPrivateKeyRec; -#define PictureWindowPrivateKey (&PictureWindowPrivateKeyRec) - -extern _X_EXPORT RESTYPE PictureType; -extern _X_EXPORT RESTYPE PictFormatType; -extern _X_EXPORT RESTYPE GlyphSetType; - -#define GetPictureScreen(s) ((PictureScreenPtr)dixLookupPrivate(&(s)->devPrivates, PictureScreenPrivateKey)) -#define GetPictureScreenIfSet(s) (dixPrivateKeyRegistered(PictureScreenPrivateKey) ? GetPictureScreen(s) : NULL) -#define SetPictureScreen(s,p) dixSetPrivate(&(s)->devPrivates, PictureScreenPrivateKey, p) -#define GetPictureWindow(w) ((PicturePtr)dixLookupPrivate(&(w)->devPrivates, PictureWindowPrivateKey)) -#define SetPictureWindow(w,p) dixSetPrivate(&(w)->devPrivates, PictureWindowPrivateKey, p) - -#define VERIFY_PICTURE(pPicture, pid, client, mode) {\ - int rc = dixLookupResourceByType((pointer)&(pPicture), pid,\ - PictureType, client, mode);\ - if (rc != Success)\ - return rc;\ -} - -#define VERIFY_ALPHA(pPicture, pid, client, mode) {\ - if (pid == None) \ - pPicture = 0; \ - else { \ - VERIFY_PICTURE(pPicture, pid, client, mode); \ - } \ -} \ - -extern _X_EXPORT Bool -PictureDestroyWindow (WindowPtr pWindow); - -extern _X_EXPORT Bool -PictureCloseScreen (int Index, ScreenPtr pScreen); - -extern _X_EXPORT void -PictureStoreColors (ColormapPtr pColormap, int ndef, xColorItem *pdef); - -extern _X_EXPORT Bool -PictureInitIndexedFormat (ScreenPtr pScreen, PictFormatPtr format); - -extern _X_EXPORT Bool -PictureSetSubpixelOrder (ScreenPtr pScreen, int subpixel); - -extern _X_EXPORT int -PictureGetSubpixelOrder (ScreenPtr pScreen); - -extern _X_EXPORT PictFormatPtr -PictureCreateDefaultFormats (ScreenPtr pScreen, int *nformatp); - -extern _X_EXPORT PictFormatPtr -PictureMatchVisual (ScreenPtr pScreen, int depth, VisualPtr pVisual); - -extern _X_EXPORT PictFormatPtr -PictureMatchFormat (ScreenPtr pScreen, int depth, CARD32 format); - -extern _X_EXPORT Bool -PictureInit (ScreenPtr pScreen, PictFormatPtr formats, int nformats); - -extern _X_EXPORT int -PictureGetFilterId (char *filter, int len, Bool makeit); - -extern _X_EXPORT char * -PictureGetFilterName (int id); - -extern _X_EXPORT int -PictureAddFilter (ScreenPtr pScreen, - char *filter, - PictFilterValidateParamsProcPtr ValidateParams, - int width, - int height); - -extern _X_EXPORT Bool -PictureSetFilterAlias (ScreenPtr pScreen, char *filter, char *alias); - -extern _X_EXPORT Bool -PictureSetDefaultFilters (ScreenPtr pScreen); - -extern _X_EXPORT void -PictureResetFilters (ScreenPtr pScreen); - -extern _X_EXPORT PictFilterPtr -PictureFindFilter (ScreenPtr pScreen, char *name, int len); - -extern _X_EXPORT int -SetPicturePictFilter (PicturePtr pPicture, PictFilterPtr pFilter, - xFixed *params, int nparams); - -extern _X_EXPORT int -SetPictureFilter (PicturePtr pPicture, char *name, int len, - xFixed *params, int nparams); - -extern _X_EXPORT Bool -PictureFinishInit (void); - -extern _X_EXPORT void -SetPictureToDefaults (PicturePtr pPicture); - -extern _X_EXPORT PicturePtr -CreatePicture (Picture pid, - DrawablePtr pDrawable, - PictFormatPtr pFormat, - Mask mask, - XID *list, - ClientPtr client, - int *error); - -extern _X_EXPORT int -ChangePicture (PicturePtr pPicture, - Mask vmask, - XID *vlist, - DevUnion *ulist, - ClientPtr client); - -extern _X_EXPORT int -SetPictureClipRects (PicturePtr pPicture, - int xOrigin, - int yOrigin, - int nRect, - xRectangle *rects); - -extern _X_EXPORT int -SetPictureClipRegion (PicturePtr pPicture, - int xOrigin, - int yOrigin, - RegionPtr pRegion); - -extern _X_EXPORT int -SetPictureTransform (PicturePtr pPicture, - PictTransform *transform); - -extern _X_EXPORT void -CopyPicture (PicturePtr pSrc, - Mask mask, - PicturePtr pDst); - -extern _X_EXPORT void -ValidatePicture(PicturePtr pPicture); - -extern _X_EXPORT int -FreePicture (pointer pPicture, - XID pid); - -extern _X_EXPORT int -FreePictFormat (pointer pPictFormat, - XID pid); - -extern _X_EXPORT 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); - -extern _X_EXPORT void -CompositeGlyphs (CARD8 op, - PicturePtr pSrc, - PicturePtr pDst, - PictFormatPtr maskFormat, - INT16 xSrc, - INT16 ySrc, - int nlist, - GlyphListPtr lists, - GlyphPtr *glyphs); - -extern _X_EXPORT void -CompositeRects (CARD8 op, - PicturePtr pDst, - xRenderColor *color, - int nRect, - xRectangle *rects); - -extern _X_EXPORT void -CompositeTrapezoids (CARD8 op, - PicturePtr pSrc, - PicturePtr pDst, - PictFormatPtr maskFormat, - INT16 xSrc, - INT16 ySrc, - int ntrap, - xTrapezoid *traps); - -extern _X_EXPORT void -CompositeTriangles (CARD8 op, - PicturePtr pSrc, - PicturePtr pDst, - PictFormatPtr maskFormat, - INT16 xSrc, - INT16 ySrc, - int ntriangles, - xTriangle *triangles); - -extern _X_EXPORT void -CompositeTriStrip (CARD8 op, - PicturePtr pSrc, - PicturePtr pDst, - PictFormatPtr maskFormat, - INT16 xSrc, - INT16 ySrc, - int npoints, - xPointFixed *points); - -extern _X_EXPORT void -CompositeTriFan (CARD8 op, - PicturePtr pSrc, - PicturePtr pDst, - PictFormatPtr maskFormat, - INT16 xSrc, - INT16 ySrc, - int npoints, - xPointFixed *points); - -extern _X_EXPORT CARD32 -PictureGradientColor (PictGradientStopPtr stop1, - PictGradientStopPtr stop2, - CARD32 x); - -extern _X_EXPORT void RenderExtensionInit (void); - -Bool -AnimCurInit (ScreenPtr pScreen); - -int -AnimCursorCreate (CursorPtr *cursors, CARD32 *deltas, int ncursor, CursorPtr *ppCursor, ClientPtr client, XID cid); - -extern _X_EXPORT void -AddTraps (PicturePtr pPicture, - INT16 xOff, - INT16 yOff, - int ntraps, - xTrap *traps); - -extern _X_EXPORT PicturePtr -CreateSolidPicture (Picture pid, - xRenderColor *color, - int *error); - -extern _X_EXPORT PicturePtr -CreateLinearGradientPicture (Picture pid, - xPointFixed *p1, - xPointFixed *p2, - int nStops, - xFixed *stops, - xRenderColor *colors, - int *error); - -extern _X_EXPORT PicturePtr -CreateRadialGradientPicture (Picture pid, - xPointFixed *inner, - xPointFixed *outer, - xFixed innerRadius, - xFixed outerRadius, - int nStops, - xFixed *stops, - xRenderColor *colors, - int *error); - -extern _X_EXPORT PicturePtr -CreateConicalGradientPicture (Picture pid, - xPointFixed *center, - xFixed angle, - int nStops, - xFixed *stops, - xRenderColor *colors, - int *error); - -#ifdef PANORAMIX -extern _X_EXPORT void PanoramiXRenderInit (void); -extern _X_EXPORT void PanoramiXRenderReset (void); -#endif - -/* - * matrix.c - */ - -extern _X_EXPORT void -PictTransform_from_xRenderTransform (PictTransformPtr pict, - xRenderTransform *render); - -extern _X_EXPORT void -xRenderTransform_from_PictTransform (xRenderTransform *render, - PictTransformPtr pict); - -extern _X_EXPORT Bool -PictureTransformPoint (PictTransformPtr transform, - PictVectorPtr vector); - -extern _X_EXPORT Bool -PictureTransformPoint3d (PictTransformPtr transform, - PictVectorPtr vector); - -#endif /* _PICTURESTR_H_ */ +/* + * 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. + */ + +#ifndef _PICTURESTR_H_ +#define _PICTURESTR_H_ + +#include "scrnintstr.h" +#include "glyphstr.h" +#include "resource.h" +#include "privates.h" + +typedef struct _DirectFormat { + CARD16 red, redMask; + CARD16 green, greenMask; + CARD16 blue, blueMask; + CARD16 alpha, alphaMask; +} DirectFormatRec; + +typedef struct _IndexFormat { + VisualID vid; + ColormapPtr pColormap; + int nvalues; + xIndexValue *pValues; + void *devPrivate; +} IndexFormatRec; + +typedef struct _PictFormat { + CARD32 id; + CARD32 format; /* except bpp */ + unsigned char type; + unsigned char depth; + DirectFormatRec direct; + IndexFormatRec index; +} PictFormatRec; + +typedef struct pixman_vector PictVector, *PictVectorPtr; +typedef struct pixman_transform PictTransform, *PictTransformPtr; + +#define pict_f_vector pixman_f_vector +#define pict_f_transform pixman_f_transform + +#define PICT_GRADIENT_STOPTABLE_SIZE 1024 +#define SourcePictTypeSolidFill 0 +#define SourcePictTypeLinear 1 +#define SourcePictTypeRadial 2 +#define SourcePictTypeConical 3 + +typedef struct _PictSolidFill { + unsigned int type; + CARD32 color; +} PictSolidFill, *PictSolidFillPtr; + +typedef struct _PictGradientStop { + xFixed x; + xRenderColor color; +} PictGradientStop, *PictGradientStopPtr; + +typedef struct _PictGradient { + unsigned int type; + int nstops; + PictGradientStopPtr stops; +} PictGradient, *PictGradientPtr; + +typedef struct _PictLinearGradient { + unsigned int type; + int nstops; + PictGradientStopPtr stops; + xPointFixed p1; + xPointFixed p2; +} PictLinearGradient, *PictLinearGradientPtr; + +typedef struct _PictCircle { + xFixed x; + xFixed y; + xFixed radius; +} PictCircle, *PictCirclePtr; + +typedef struct _PictRadialGradient { + unsigned int type; + int nstops; + PictGradientStopPtr stops; + PictCircle c1; + PictCircle c2; +} PictRadialGradient, *PictRadialGradientPtr; + +typedef struct _PictConicalGradient { + unsigned int type; + int nstops; + PictGradientStopPtr stops; + xPointFixed center; + xFixed angle; +} PictConicalGradient, *PictConicalGradientPtr; + +typedef union _SourcePict { + unsigned int type; + PictSolidFill solidFill; + PictGradient gradient; + PictLinearGradient linear; + PictRadialGradient radial; + PictConicalGradient conical; +} SourcePict, *SourcePictPtr; + +typedef struct _Picture { + DrawablePtr pDrawable; + PictFormatPtr pFormat; + PictFormatShort format; /* PICT_FORMAT */ + int refcnt; + CARD32 id; + unsigned int repeat : 1; + unsigned int graphicsExposures : 1; + unsigned int subWindowMode : 1; + unsigned int polyEdge : 1; + unsigned int polyMode : 1; + unsigned int freeCompClip : 1; + unsigned int clientClipType : 2; + unsigned int componentAlpha : 1; + unsigned int repeatType : 2; + unsigned int filter : 3; + unsigned int stateChanges : CPLastBit; + unsigned int unused : 18 - CPLastBit; + + PicturePtr pNext; /* chain on same drawable */ + + PicturePtr alphaMap; + DDXPointRec alphaOrigin; + + DDXPointRec clipOrigin; + pointer clientClip; + + unsigned long serialNumber; + + RegionPtr pCompositeClip; + + PrivateRec *devPrivates; + + PictTransform *transform; + + SourcePictPtr pSourcePict; + xFixed *filter_params; + int filter_nparams; +} PictureRec; + +typedef Bool (*PictFilterValidateParamsProcPtr) (ScreenPtr pScreen, int id, + xFixed *params, int nparams, + int *width, int *height); +typedef struct { + char *name; + int id; + PictFilterValidateParamsProcPtr ValidateParams; + int width, height; +} PictFilterRec, *PictFilterPtr; + +#define PictFilterNearest 0 +#define PictFilterBilinear 1 + +#define PictFilterFast 2 +#define PictFilterGood 3 +#define PictFilterBest 4 + +#define PictFilterConvolution 5 +/* if you add an 8th filter, expand the filter bitfield above */ + +typedef struct { + char *alias; + int alias_id; + int filter_id; +} PictFilterAliasRec, *PictFilterAliasPtr; + +typedef int (*CreatePictureProcPtr) (PicturePtr pPicture); +typedef void (*DestroyPictureProcPtr) (PicturePtr pPicture); +typedef int (*ChangePictureClipProcPtr) (PicturePtr pPicture, + int clipType, + pointer value, + int n); +typedef void (*DestroyPictureClipProcPtr)(PicturePtr pPicture); + +typedef int (*ChangePictureTransformProcPtr) (PicturePtr pPicture, + PictTransform *transform); + +typedef int (*ChangePictureFilterProcPtr) (PicturePtr pPicture, + int filter, + xFixed *params, + int nparams); + +typedef void (*DestroyPictureFilterProcPtr) (PicturePtr pPicture); + +typedef void (*ChangePictureProcPtr) (PicturePtr pPicture, + Mask mask); +typedef void (*ValidatePictureProcPtr) (PicturePtr pPicture, + Mask mask); +typedef void (*CompositeProcPtr) (CARD8 op, + PicturePtr pSrc, + PicturePtr pMask, + PicturePtr pDst, + INT16 xSrc, + INT16 ySrc, + INT16 xMask, + INT16 yMask, + INT16 xDst, + INT16 yDst, + CARD16 width, + CARD16 height); + +typedef void (*GlyphsProcPtr) (CARD8 op, + PicturePtr pSrc, + PicturePtr pDst, + PictFormatPtr maskFormat, + INT16 xSrc, + INT16 ySrc, + int nlists, + GlyphListPtr lists, + GlyphPtr *glyphs); + +typedef void (*CompositeRectsProcPtr) (CARD8 op, + PicturePtr pDst, + xRenderColor *color, + int nRect, + xRectangle *rects); + +typedef void (*RasterizeTrapezoidProcPtr)(PicturePtr pMask, + xTrapezoid *trap, + int x_off, + int y_off); + +typedef void (*TrapezoidsProcPtr) (CARD8 op, + PicturePtr pSrc, + PicturePtr pDst, + PictFormatPtr maskFormat, + INT16 xSrc, + INT16 ySrc, + int ntrap, + xTrapezoid *traps); + +typedef void (*TrianglesProcPtr) (CARD8 op, + PicturePtr pSrc, + PicturePtr pDst, + PictFormatPtr maskFormat, + INT16 xSrc, + INT16 ySrc, + int ntri, + xTriangle *tris); + +typedef Bool (*InitIndexedProcPtr) (ScreenPtr pScreen, + PictFormatPtr pFormat); + +typedef void (*CloseIndexedProcPtr) (ScreenPtr pScreen, + PictFormatPtr pFormat); + +typedef void (*UpdateIndexedProcPtr) (ScreenPtr pScreen, + PictFormatPtr pFormat, + int ndef, + xColorItem *pdef); + +typedef void (*AddTrapsProcPtr) (PicturePtr pPicture, + INT16 xOff, + INT16 yOff, + int ntrap, + xTrap *traps); + +typedef void (*AddTrianglesProcPtr) (PicturePtr pPicture, + INT16 xOff, + INT16 yOff, + int ntri, + xTriangle *tris); + +typedef Bool (*RealizeGlyphProcPtr) (ScreenPtr pScreen, + GlyphPtr glyph); + +typedef void (*UnrealizeGlyphProcPtr) (ScreenPtr pScreen, + GlyphPtr glyph); + +typedef struct _PictureScreen { + PictFormatPtr formats; + PictFormatPtr fallback; + int nformats; + + CreatePictureProcPtr CreatePicture; + DestroyPictureProcPtr DestroyPicture; + ChangePictureClipProcPtr ChangePictureClip; + DestroyPictureClipProcPtr DestroyPictureClip; + + ChangePictureProcPtr ChangePicture; + ValidatePictureProcPtr ValidatePicture; + + CompositeProcPtr Composite; + GlyphsProcPtr Glyphs; /* unused */ + CompositeRectsProcPtr CompositeRects; + + DestroyWindowProcPtr DestroyWindow; + CloseScreenProcPtr CloseScreen; + + StoreColorsProcPtr StoreColors; + + InitIndexedProcPtr InitIndexed; + CloseIndexedProcPtr CloseIndexed; + UpdateIndexedProcPtr UpdateIndexed; + + int subpixel; + + PictFilterPtr filters; + int nfilters; + PictFilterAliasPtr filterAliases; + int nfilterAliases; + + /** + * Called immediately after a picture's transform is changed through the + * SetPictureTransform request. Not called for source-only pictures. + */ + ChangePictureTransformProcPtr ChangePictureTransform; + + /** + * Called immediately after a picture's transform is changed through the + * SetPictureFilter request. Not called for source-only pictures. + */ + ChangePictureFilterProcPtr ChangePictureFilter; + + DestroyPictureFilterProcPtr DestroyPictureFilter; + + TrapezoidsProcPtr Trapezoids; + TrianglesProcPtr Triangles; + + RasterizeTrapezoidProcPtr RasterizeTrapezoid; + + AddTrianglesProcPtr AddTriangles; + + AddTrapsProcPtr AddTraps; + + RealizeGlyphProcPtr RealizeGlyph; + UnrealizeGlyphProcPtr UnrealizeGlyph; + +} PictureScreenRec, *PictureScreenPtr; + +extern _X_EXPORT DevPrivateKeyRec PictureScreenPrivateKeyRec; +#define PictureScreenPrivateKey (&PictureScreenPrivateKeyRec) + +extern _X_EXPORT DevPrivateKeyRec PictureWindowPrivateKeyRec; +#define PictureWindowPrivateKey (&PictureWindowPrivateKeyRec) + +extern _X_EXPORT RESTYPE PictureType; +extern _X_EXPORT RESTYPE PictFormatType; +extern _X_EXPORT RESTYPE GlyphSetType; + +#define GetPictureScreen(s) ((PictureScreenPtr)dixLookupPrivate(&(s)->devPrivates, PictureScreenPrivateKey)) +#define GetPictureScreenIfSet(s) (dixPrivateKeyRegistered(PictureScreenPrivateKey) ? GetPictureScreen(s) : NULL) +#define SetPictureScreen(s,p) dixSetPrivate(&(s)->devPrivates, PictureScreenPrivateKey, p) +#define GetPictureWindow(w) ((PicturePtr)dixLookupPrivate(&(w)->devPrivates, PictureWindowPrivateKey)) +#define SetPictureWindow(w,p) dixSetPrivate(&(w)->devPrivates, PictureWindowPrivateKey, p) + +#define VERIFY_PICTURE(pPicture, pid, client, mode) {\ + int rc = dixLookupResourceByType((pointer)&(pPicture), pid,\ + PictureType, client, mode);\ + if (rc != Success)\ + return rc;\ +} + +#define VERIFY_ALPHA(pPicture, pid, client, mode) {\ + if (pid == None) \ + pPicture = 0; \ + else { \ + VERIFY_PICTURE(pPicture, pid, client, mode); \ + } \ +} \ + +extern _X_EXPORT Bool +PictureDestroyWindow (WindowPtr pWindow); + +extern _X_EXPORT Bool +PictureCloseScreen (int Index, ScreenPtr pScreen); + +extern _X_EXPORT void +PictureStoreColors (ColormapPtr pColormap, int ndef, xColorItem *pdef); + +extern _X_EXPORT Bool +PictureInitIndexedFormat (ScreenPtr pScreen, PictFormatPtr format); + +extern _X_EXPORT Bool +PictureSetSubpixelOrder (ScreenPtr pScreen, int subpixel); + +extern _X_EXPORT int +PictureGetSubpixelOrder (ScreenPtr pScreen); + +extern _X_EXPORT PictFormatPtr +PictureCreateDefaultFormats (ScreenPtr pScreen, int *nformatp); + +extern _X_EXPORT PictFormatPtr +PictureMatchVisual (ScreenPtr pScreen, int depth, VisualPtr pVisual); + +extern _X_EXPORT PictFormatPtr +PictureMatchFormat (ScreenPtr pScreen, int depth, CARD32 format); + +extern _X_EXPORT Bool +PictureInit (ScreenPtr pScreen, PictFormatPtr formats, int nformats); + +extern _X_EXPORT int +PictureGetFilterId (char *filter, int len, Bool makeit); + +extern _X_EXPORT char * +PictureGetFilterName (int id); + +extern _X_EXPORT int +PictureAddFilter (ScreenPtr pScreen, + char *filter, + PictFilterValidateParamsProcPtr ValidateParams, + int width, + int height); + +extern _X_EXPORT Bool +PictureSetFilterAlias (ScreenPtr pScreen, char *filter, char *alias); + +extern _X_EXPORT Bool +PictureSetDefaultFilters (ScreenPtr pScreen); + +extern _X_EXPORT void +PictureResetFilters (ScreenPtr pScreen); + +extern _X_EXPORT PictFilterPtr +PictureFindFilter (ScreenPtr pScreen, char *name, int len); + +extern _X_EXPORT int +SetPicturePictFilter (PicturePtr pPicture, PictFilterPtr pFilter, + xFixed *params, int nparams); + +extern _X_EXPORT int +SetPictureFilter (PicturePtr pPicture, char *name, int len, + xFixed *params, int nparams); + +extern _X_EXPORT Bool +PictureFinishInit (void); + +extern _X_EXPORT void +SetPictureToDefaults (PicturePtr pPicture); + +extern _X_EXPORT PicturePtr +CreatePicture (Picture pid, + DrawablePtr pDrawable, + PictFormatPtr pFormat, + Mask mask, + XID *list, + ClientPtr client, + int *error); + +extern _X_EXPORT int +ChangePicture (PicturePtr pPicture, + Mask vmask, + XID *vlist, + DevUnion *ulist, + ClientPtr client); + +extern _X_EXPORT int +SetPictureClipRects (PicturePtr pPicture, + int xOrigin, + int yOrigin, + int nRect, + xRectangle *rects); + +extern _X_EXPORT int +SetPictureClipRegion (PicturePtr pPicture, + int xOrigin, + int yOrigin, + RegionPtr pRegion); + +extern _X_EXPORT int +SetPictureTransform (PicturePtr pPicture, + PictTransform *transform); + +extern _X_EXPORT void +CopyPicture (PicturePtr pSrc, + Mask mask, + PicturePtr pDst); + +extern _X_EXPORT void +ValidatePicture(PicturePtr pPicture); + +extern _X_EXPORT int +FreePicture (pointer pPicture, + XID pid); + +extern _X_EXPORT int +FreePictFormat (pointer pPictFormat, + XID pid); + +extern _X_EXPORT 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); + +extern _X_EXPORT void +CompositeGlyphs (CARD8 op, + PicturePtr pSrc, + PicturePtr pDst, + PictFormatPtr maskFormat, + INT16 xSrc, + INT16 ySrc, + int nlist, + GlyphListPtr lists, + GlyphPtr *glyphs); + +extern _X_EXPORT void +CompositeRects (CARD8 op, + PicturePtr pDst, + xRenderColor *color, + int nRect, + xRectangle *rects); + +extern _X_EXPORT void +CompositeTrapezoids (CARD8 op, + PicturePtr pSrc, + PicturePtr pDst, + PictFormatPtr maskFormat, + INT16 xSrc, + INT16 ySrc, + int ntrap, + xTrapezoid *traps); + +extern _X_EXPORT void +CompositeTriangles (CARD8 op, + PicturePtr pSrc, + PicturePtr pDst, + PictFormatPtr maskFormat, + INT16 xSrc, + INT16 ySrc, + int ntriangles, + xTriangle *triangles); + +extern _X_EXPORT void +CompositeTriStrip (CARD8 op, + PicturePtr pSrc, + PicturePtr pDst, + PictFormatPtr maskFormat, + INT16 xSrc, + INT16 ySrc, + int npoints, + xPointFixed *points); + +extern _X_EXPORT void +CompositeTriFan (CARD8 op, + PicturePtr pSrc, + PicturePtr pDst, + PictFormatPtr maskFormat, + INT16 xSrc, + INT16 ySrc, + int npoints, + xPointFixed *points); + +extern _X_EXPORT void RenderExtensionInit (void); + +Bool +AnimCurInit (ScreenPtr pScreen); + +int +AnimCursorCreate (CursorPtr *cursors, CARD32 *deltas, int ncursor, CursorPtr *ppCursor, ClientPtr client, XID cid); + +extern _X_EXPORT void +AddTraps (PicturePtr pPicture, + INT16 xOff, + INT16 yOff, + int ntraps, + xTrap *traps); + +extern _X_EXPORT PicturePtr +CreateSolidPicture (Picture pid, + xRenderColor *color, + int *error); + +extern _X_EXPORT PicturePtr +CreateLinearGradientPicture (Picture pid, + xPointFixed *p1, + xPointFixed *p2, + int nStops, + xFixed *stops, + xRenderColor *colors, + int *error); + +extern _X_EXPORT PicturePtr +CreateRadialGradientPicture (Picture pid, + xPointFixed *inner, + xPointFixed *outer, + xFixed innerRadius, + xFixed outerRadius, + int nStops, + xFixed *stops, + xRenderColor *colors, + int *error); + +extern _X_EXPORT PicturePtr +CreateConicalGradientPicture (Picture pid, + xPointFixed *center, + xFixed angle, + int nStops, + xFixed *stops, + xRenderColor *colors, + int *error); + +#ifdef PANORAMIX +extern _X_EXPORT void PanoramiXRenderInit (void); +extern _X_EXPORT void PanoramiXRenderReset (void); +#endif + +/* + * matrix.c + */ + +extern _X_EXPORT void +PictTransform_from_xRenderTransform (PictTransformPtr pict, + xRenderTransform *render); + +extern _X_EXPORT void +xRenderTransform_from_PictTransform (xRenderTransform *render, + PictTransformPtr pict); + +extern _X_EXPORT Bool +PictureTransformPoint (PictTransformPtr transform, + PictVectorPtr vector); + +extern _X_EXPORT Bool +PictureTransformPoint3d (PictTransformPtr transform, + PictVectorPtr vector); + +#endif /* _PICTURESTR_H_ */ -- cgit v1.2.3