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Diffstat (limited to 'nx-X11/programs/Xserver/hw/nxagent/X/NXpicture.c')
-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/X/NXpicture.c2274
1 files changed, 0 insertions, 2274 deletions
diff --git a/nx-X11/programs/Xserver/hw/nxagent/X/NXpicture.c b/nx-X11/programs/Xserver/hw/nxagent/X/NXpicture.c
deleted file mode 100644
index 4b342ebcf..000000000
--- a/nx-X11/programs/Xserver/hw/nxagent/X/NXpicture.c
+++ /dev/null
@@ -1,2274 +0,0 @@
-/**************************************************************************/
-/* */
-/* Copyright (c) 2001, 2011 NoMachine, http://www.nomachine.com/. */
-/* */
-/* NXAGENT, NX protocol compression and NX extensions to this software */
-/* are copyright of NoMachine. Redistribution and use of the present */
-/* software is allowed according to terms specified in the file LICENSE */
-/* which comes in the source distribution. */
-/* */
-/* Check http://www.nomachine.com/licensing.html for applicability. */
-/* */
-/* NX and NoMachine are trademarks of Medialogic S.p.A. */
-/* */
-/* All rights reserved. */
-/* */
-/**************************************************************************/
-
-/*
- * $XFree86: xc/programs/Xserver/render/picture.c,v 1.29 2002/11/23 02:38:15 keithp Exp $
- *
- * Copyright © 2000 SuSE, Inc.
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of SuSE not be used in advertising or
- * publicity pertaining to distribution of the software without specific,
- * written prior permission. SuSE makes no representations about the
- * suitability of this software for any purpose. It is provided "as is"
- * without express or implied warranty.
- *
- * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
- * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- *
- * Author: Keith Packard, SuSE, Inc.
- */
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include "misc.h"
-#include "scrnintstr.h"
-#include "os.h"
-#include "regionstr.h"
-#include "validate.h"
-#include "windowstr.h"
-#include "input.h"
-#include "resource.h"
-#include "colormapst.h"
-#include "cursorstr.h"
-#include "dixstruct.h"
-#include "gcstruct.h"
-#include "servermd.h"
-#include "NXpicturestr.h"
-
-#include "Screen.h"
-#include "Pixmaps.h"
-#include "Drawable.h"
-#include "Render.h"
-
-#define PANIC
-#define WARNING
-#undef TEST
-#undef DEBUG
-
-void *nxagentVisualFromID(ScreenPtr pScreen, VisualID visual);
-
-void *nxagentMatchingFormats(PictFormatPtr pForm);
-
-int PictureScreenPrivateIndex = -1;
-int PictureWindowPrivateIndex;
-int PictureGeneration;
-RESTYPE PictureType;
-RESTYPE PictFormatType;
-RESTYPE GlyphSetType;
-int PictureCmapPolicy = PictureCmapPolicyDefault;
-
-typedef struct _formatInit {
- CARD32 format;
- CARD8 depth;
-} FormatInitRec, *FormatInitPtr;
-
-void nxagentPictureCreateDefaultFormats(ScreenPtr pScreen, FormatInitRec *formats, int *nformats);
-
-/* Picture Private machinery */
-
-static int picturePrivateCount;
-
-void
-ResetPicturePrivateIndex (void)
-{
- picturePrivateCount = 0;
-}
-
-int
-AllocatePicturePrivateIndex (void)
-{
- return picturePrivateCount++;
-}
-
-Bool
-AllocatePicturePrivate (ScreenPtr pScreen, int index2, unsigned int amount)
-{
- PictureScreenPtr ps = GetPictureScreen(pScreen);
- unsigned int oldamount;
-
- /* Round up sizes for proper alignment */
- amount = ((amount + (sizeof(long) - 1)) / sizeof(long)) * sizeof(long);
-
- if (index2 >= ps->PicturePrivateLen)
- {
- unsigned int *nsizes;
-
- nsizes = (unsigned int *)xrealloc(ps->PicturePrivateSizes,
- (index2 + 1) * sizeof(unsigned int));
- if (!nsizes)
- return FALSE;
- while (ps->PicturePrivateLen <= index2)
- {
- nsizes[ps->PicturePrivateLen++] = 0;
- ps->totalPictureSize += sizeof(DevUnion);
- }
- ps->PicturePrivateSizes = nsizes;
- }
- oldamount = ps->PicturePrivateSizes[index2];
- if (amount > oldamount)
- {
- ps->PicturePrivateSizes[index2] = amount;
- ps->totalPictureSize += (amount - oldamount);
- }
-
- return TRUE;
-}
-
-
-Bool
-PictureDestroyWindow (WindowPtr pWindow)
-{
- ScreenPtr pScreen = pWindow->drawable.pScreen;
- PicturePtr pPicture;
- PictureScreenPtr ps = GetPictureScreen(pScreen);
- Bool ret;
-
- while ((pPicture = GetPictureWindow(pWindow)))
- {
- SetPictureWindow(pWindow, pPicture->pNext);
- if (pPicture->id)
- FreeResource (pPicture->id, PictureType);
- FreePicture ((pointer) pPicture, pPicture->id);
- }
- pScreen->DestroyWindow = ps->DestroyWindow;
- ret = (*pScreen->DestroyWindow) (pWindow);
- ps->DestroyWindow = pScreen->DestroyWindow;
- pScreen->DestroyWindow = PictureDestroyWindow;
- return ret;
-}
-
-Bool
-PictureCloseScreen (int index, ScreenPtr pScreen)
-{
- PictureScreenPtr ps = GetPictureScreen(pScreen);
- Bool ret;
- int n;
-
- pScreen->CloseScreen = ps->CloseScreen;
- ret = (*pScreen->CloseScreen) (index, pScreen);
- PictureResetFilters (pScreen);
- for (n = 0; n < ps->nformats; n++)
- if (ps->formats[n].type == PictTypeIndexed)
- (*ps->CloseIndexed) (pScreen, &ps->formats[n]);
- SetPictureScreen(pScreen, 0);
- if (ps->PicturePrivateSizes)
- xfree (ps->PicturePrivateSizes);
- xfree (ps->formats);
- xfree (ps);
- return ret;
-}
-
-void
-PictureStoreColors (ColormapPtr pColormap, int ndef, xColorItem *pdef)
-{
- ScreenPtr pScreen = pColormap->pScreen;
- PictureScreenPtr ps = GetPictureScreen(pScreen);
-
- pScreen->StoreColors = ps->StoreColors;
- (*pScreen->StoreColors) (pColormap, ndef, pdef);
- ps->StoreColors = pScreen->StoreColors;
- pScreen->StoreColors = PictureStoreColors;
-
- if (pColormap->class == PseudoColor || pColormap->class == GrayScale)
- {
- PictFormatPtr format = ps->formats;
- int nformats = ps->nformats;
-
- while (nformats--)
- {
- if (format->type == PictTypeIndexed &&
- format->index.pColormap == pColormap)
- {
- (*ps->UpdateIndexed) (pScreen, format, ndef, pdef);
- break;
- }
- format++;
- }
- }
-}
-
-static int
-visualDepth (ScreenPtr pScreen, VisualPtr pVisual)
-{
- int d, v;
- DepthPtr pDepth;
-
- for (d = 0; d < pScreen->numDepths; d++)
- {
- pDepth = &pScreen->allowedDepths[d];
- for (v = 0; v < pDepth->numVids; v++)
- if (pDepth->vids[v] == pVisual->vid)
- return pDepth->depth;
- }
- return 0;
-}
-
-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;
-
- #ifdef DEBUG
- fprintf(stderr, "addFormat: Added format [%lu] depth [%d].\n", format, depth);
- #endif
-
- 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;
-
-#ifndef NXAGENT_SERVER
-
- CARD8 depth;
- VisualPtr pVisual;
- int v;
- int bpp;
- int type;
- int r, g, b;
- int d;
- DepthPtr pDepth;
-
-#endif
-
- nformats = 0;
-
-#ifdef NXAGENT_SERVER
-
- nxagentPictureCreateDefaultFormats(pScreen, formats, &nformats);
-
-#else
-
- /* formats required by protocol */
- formats[nformats].format = PICT_a1;
- formats[nformats].depth = 1;
- nformats++;
- formats[nformats].format = PICT_a8;
- formats[nformats].depth = 8;
- nformats++;
- formats[nformats].format = PICT_a4;
- formats[nformats].depth = 4;
- nformats++;
- formats[nformats].format = PICT_a8r8g8b8;
- formats[nformats].depth = 32;
- nformats++;
- formats[nformats].format = PICT_x8r8g8b8;
- formats[nformats].depth = 32;
- nformats++;
-
- /* now look through the depths and visuals adding other formats */
- for (v = 0; v < pScreen->numVisuals; v++)
- {
- pVisual = &pScreen->visuals[v];
- depth = visualDepth (pScreen, pVisual);
- if (!depth)
- continue;
- bpp = BitsPerPixel (depth);
-
- switch (pVisual->class) {
- case DirectColor:
- case TrueColor:
- r = Ones (pVisual->redMask);
- g = Ones (pVisual->greenMask);
- b = Ones (pVisual->blueMask);
- type = PICT_TYPE_OTHER;
- /*
- * Current rendering code supports only two direct formats,
- * fields must be packed together at the bottom of the pixel
- * and must be either RGB or BGR
- */
- if (pVisual->offsetBlue == 0 &&
- pVisual->offsetGreen == b &&
- pVisual->offsetRed == b + g)
- {
- type = PICT_TYPE_ARGB;
- }
- else if (pVisual->offsetRed == 0 &&
- pVisual->offsetGreen == r &&
- pVisual->offsetBlue == r + g)
- {
- type = PICT_TYPE_ABGR;
- }
- if (type != PICT_TYPE_OTHER)
- {
- format = PICT_FORMAT(bpp, type, 0, r, g, b);
- nformats = addFormat (formats, nformats, format, depth);
- }
- break;
- case StaticColor:
- case PseudoColor:
- format = PICT_VISFORMAT (bpp, PICT_TYPE_COLOR, v);
- nformats = addFormat (formats, nformats, format, depth);
- break;
- case StaticGray:
- case GrayScale:
- format = PICT_VISFORMAT (bpp, PICT_TYPE_GRAY, v);
- nformats = addFormat (formats, nformats, format, depth);
- break;
- }
- }
-
- /*
- * Walk supported depths and add useful Direct formats
- */
- for (d = 0; d < pScreen->numDepths; d++)
- {
- pDepth = &pScreen->allowedDepths[d];
- bpp = BitsPerPixel (pDepth->depth);
- format = 0;
-
- switch (bpp) {
- case 16:
- /* depth 12 formats */
- if (pDepth->depth >= 12)
- {
- nformats = addFormat (formats, nformats,
- PICT_x4r4g4b4, pDepth->depth);
- nformats = addFormat (formats, nformats,
- PICT_x4b4g4r4, pDepth->depth);
- }
-
- /* depth 15 formats */
- if (pDepth->depth >= 15)
- {
- nformats = addFormat (formats, nformats,
- PICT_x1r5g5b5, pDepth->depth);
- nformats = addFormat (formats, nformats,
- PICT_x1b5g5r5, pDepth->depth);
- }
- /* depth 16 formats */
- if (pDepth->depth >= 16)
- {
- nformats = addFormat (formats, nformats,
- PICT_a1r5g5b5, pDepth->depth);
- nformats = addFormat (formats, nformats,
- PICT_a1b5g5r5, pDepth->depth);
- nformats = addFormat (formats, nformats,
- PICT_r5g6b5, pDepth->depth);
- nformats = addFormat (formats, nformats,
- PICT_b5g6r5, pDepth->depth);
- nformats = addFormat (formats, nformats,
- PICT_a4r4g4b4, pDepth->depth);
- nformats = addFormat (formats, nformats,
- PICT_a4b4g4r4, pDepth->depth);
- }
- break;
- case 24:
- if (pDepth->depth >= 24)
- {
- nformats = addFormat (formats, nformats,
- PICT_r8g8b8, pDepth->depth);
- nformats = addFormat (formats, nformats,
- PICT_b8g8r8, pDepth->depth);
- }
- break;
- case 32:
- if (pDepth->depth >= 24)
- {
- nformats = addFormat (formats, nformats,
- PICT_x8r8g8b8, pDepth->depth);
- nformats = addFormat (formats, nformats,
- PICT_x8b8g8r8, pDepth->depth);
- }
- break;
- }
- }
-
-#endif
-
- pFormats = (PictFormatPtr) xalloc (nformats * sizeof (PictFormatRec));
- if (!pFormats)
- return 0;
- memset (pFormats, '\0', nformats * sizeof (PictFormatRec));
- for (f = 0; f < nformats; f++)
- {
- pFormats[f].id = FakeClientID (0);
- pFormats[f].depth = formats[f].depth;
- format = formats[f].format;
- pFormats[f].format = format;
- switch (PICT_FORMAT_TYPE(format)) {
- case PICT_TYPE_ARGB:
- pFormats[f].type = PictTypeDirect;
-
- pFormats[f].direct.alphaMask = Mask(PICT_FORMAT_A(format));
- if (pFormats[f].direct.alphaMask)
- pFormats[f].direct.alpha = (PICT_FORMAT_R(format) +
- PICT_FORMAT_G(format) +
- PICT_FORMAT_B(format));
-
- pFormats[f].direct.redMask = Mask(PICT_FORMAT_R(format));
- pFormats[f].direct.red = (PICT_FORMAT_G(format) +
- PICT_FORMAT_B(format));
-
- pFormats[f].direct.greenMask = Mask(PICT_FORMAT_G(format));
- pFormats[f].direct.green = PICT_FORMAT_B(format);
-
- pFormats[f].direct.blueMask = Mask(PICT_FORMAT_B(format));
- pFormats[f].direct.blue = 0;
- break;
-
- case PICT_TYPE_ABGR:
- pFormats[f].type = PictTypeDirect;
-
- pFormats[f].direct.alphaMask = Mask(PICT_FORMAT_A(format));
- if (pFormats[f].direct.alphaMask)
- pFormats[f].direct.alpha = (PICT_FORMAT_B(format) +
- PICT_FORMAT_G(format) +
- PICT_FORMAT_R(format));
-
- pFormats[f].direct.blueMask = Mask(PICT_FORMAT_B(format));
- pFormats[f].direct.blue = (PICT_FORMAT_G(format) +
- PICT_FORMAT_R(format));
-
- pFormats[f].direct.greenMask = Mask(PICT_FORMAT_G(format));
- pFormats[f].direct.green = PICT_FORMAT_R(format);
-
- pFormats[f].direct.redMask = Mask(PICT_FORMAT_R(format));
- pFormats[f].direct.red = 0;
- break;
-
- case PICT_TYPE_A:
- pFormats[f].type = PictTypeDirect;
-
- pFormats[f].direct.alpha = 0;
- pFormats[f].direct.alphaMask = Mask(PICT_FORMAT_A(format));
-
- /* remaining fields already set to zero */
- break;
-
- case PICT_TYPE_COLOR:
- case PICT_TYPE_GRAY:
- pFormats[f].type = PictTypeIndexed;
- pFormats[f].index.vid = pScreen->visuals[PICT_FORMAT_VIS(format)].vid;
- break;
- }
-
-#ifdef NXAGENT_SERVER
- if (nxagentMatchingFormats(&pFormats[f]) != NULL)
- {
- #ifdef DEBUG
- fprintf(stderr, "PictureCreateDefaultFormats: Format with type [%d] depth [%d] rgb [%d,%d,%d] "
- "mask rgb [%d,%d,%d] alpha [%d] alpha mask [%d] matches.\n",
- pFormats[f].type, pFormats[f].depth, pFormats[f].direct.red, pFormats[f].direct.green,
- pFormats[f].direct.blue, pFormats[f].direct.redMask, pFormats[f].direct.greenMask,
- pFormats[f].direct.blueMask, pFormats[f].direct.alpha, pFormats[f].direct.alphaMask);
- #endif
- }
- else
- {
- #ifdef DEBUG
- fprintf(stderr, "PictureCreateDefaultFormats: Format with type [%d] depth [%d] rgb [%d,%d,%d] "
- "mask rgb [%d,%d,%d] alpha [%d] alpha mask [%d] doesn't match.\n",
- pFormats[f].type, pFormats[f].depth, pFormats[f].direct.red, pFormats[f].direct.green,
- pFormats[f].direct.blue, pFormats[f].direct.redMask, pFormats[f].direct.greenMask,
- pFormats[f].direct.blueMask, pFormats[f].direct.alpha, pFormats[f].direct.alphaMask);
- #endif
- }
-#endif
- }
- *nformatp = nformats;
- return pFormats;
-}
-
-static VisualPtr
-PictureFindVisual (ScreenPtr pScreen, VisualID visual)
-{
- int i;
- VisualPtr pVisual;
- for (i = 0, pVisual = pScreen->visuals;
- i < pScreen->numVisuals;
- i++, pVisual++)
- {
- if (pVisual->vid == visual)
- return pVisual;
- }
- return 0;
-}
-
-Bool
-PictureInitIndexedFormats (ScreenPtr pScreen)
-{
- PictureScreenPtr ps = GetPictureScreenIfSet(pScreen);
- PictFormatPtr format;
- int nformat;
-
- if (!ps)
- return FALSE;
- format = ps->formats;
- nformat = ps->nformats;
- while (nformat--)
- {
- if (format->type == PictTypeIndexed && !format->index.pColormap)
- {
- if (format->index.vid == pScreen->rootVisual)
- format->index.pColormap = (ColormapPtr) LookupIDByType(pScreen->defColormap,
- RT_COLORMAP);
- else
- {
- VisualPtr pVisual;
-
- pVisual = PictureFindVisual (pScreen, format->index.vid);
- if (CreateColormap (FakeClientID (0), pScreen,
- pVisual,
- &format->index.pColormap, AllocNone,
- 0) != Success)
- {
- return FALSE;
- }
- }
- if (!(*ps->InitIndexed) (pScreen, format))
- return FALSE;
- }
- format++;
- }
- return TRUE;
-}
-
-Bool
-PictureFinishInit (void)
-{
- int s;
-
- for (s = 0; s < screenInfo.numScreens; s++)
- {
- if (!PictureInitIndexedFormats (screenInfo.screens[s]))
- return FALSE;
- (void) AnimCurInit (screenInfo.screens[s]);
- }
-
- return TRUE;
-}
-
-Bool
-PictureSetSubpixelOrder (ScreenPtr pScreen, int subpixel)
-{
- PictureScreenPtr ps = GetPictureScreenIfSet(pScreen);
-
- if (!ps)
- return FALSE;
- ps->subpixel = subpixel;
- return TRUE;
-
-}
-
-int
-PictureGetSubpixelOrder (ScreenPtr pScreen)
-{
- PictureScreenPtr ps = GetPictureScreenIfSet(pScreen);
-
- if (!ps)
- return SubPixelUnknown;
- return ps->subpixel;
-}
-
-PictFormatPtr
-PictureMatchVisual (ScreenPtr pScreen, int depth, VisualPtr pVisual)
-{
- PictureScreenPtr ps = GetPictureScreenIfSet(pScreen);
- PictFormatPtr format;
- int nformat;
- int type;
-
- if (!ps)
- return 0;
- format = ps->formats;
- nformat = ps->nformats;
- switch (pVisual->class) {
- case StaticGray:
- case GrayScale:
- case StaticColor:
- case PseudoColor:
- type = PictTypeIndexed;
- break;
- case TrueColor:
- case DirectColor:
- type = PictTypeDirect;
- break;
- default:
- return 0;
- }
- while (nformat--)
- {
- if (format->depth == depth && format->type == type)
- {
- if (type == PictTypeIndexed)
- {
- if (format->index.vid == pVisual->vid)
- return format;
- }
- else
- {
- if (format->direct.redMask << format->direct.red ==
- pVisual->redMask &&
- format->direct.greenMask << format->direct.green ==
- pVisual->greenMask &&
- format->direct.blueMask << format->direct.blue ==
- pVisual->blueMask)
- {
- return format;
- }
- }
- }
- format++;
- }
- return 0;
-}
-
-PictFormatPtr
-PictureMatchFormat (ScreenPtr pScreen, int depth, CARD32 f)
-{
- PictureScreenPtr ps = GetPictureScreenIfSet(pScreen);
- PictFormatPtr format;
- int nformat;
-
- if (!ps)
- return 0;
- format = ps->formats;
- nformat = ps->nformats;
- while (nformat--)
- {
- if (format->depth == depth && format->format == (f & 0xffffff))
- return format;
- format++;
- }
- return 0;
-}
-
-int
-PictureParseCmapPolicy (const char *name)
-{
- if ( strcmp (name, "default" ) == 0)
- return PictureCmapPolicyDefault;
- else if ( strcmp (name, "mono" ) == 0)
- return PictureCmapPolicyMono;
- else if ( strcmp (name, "gray" ) == 0)
- return PictureCmapPolicyGray;
- else if ( strcmp (name, "color" ) == 0)
- return PictureCmapPolicyColor;
- else if ( strcmp (name, "all" ) == 0)
- return PictureCmapPolicyAll;
- else
- return PictureCmapPolicyInvalid;
-}
-
-Bool
-PictureInit (ScreenPtr pScreen, PictFormatPtr formats, int nformats)
-{
- PictureScreenPtr ps;
- int n;
- CARD32 type, a, r, g, b;
-
- if (PictureGeneration != serverGeneration)
- {
- PictureType = CreateNewResourceType (FreePicture);
- if (!PictureType)
- return FALSE;
- PictFormatType = CreateNewResourceType (FreePictFormat);
- if (!PictFormatType)
- return FALSE;
- GlyphSetType = CreateNewResourceType (FreeGlyphSet);
- if (!GlyphSetType)
- return FALSE;
- PictureScreenPrivateIndex = AllocateScreenPrivateIndex();
- if (PictureScreenPrivateIndex < 0)
- return FALSE;
- PictureWindowPrivateIndex = AllocateWindowPrivateIndex();
- PictureGeneration = serverGeneration;
-#ifdef XResExtension
- RegisterResourceName (PictureType, "PICTURE");
- RegisterResourceName (PictFormatType, "PICTFORMAT");
- RegisterResourceName (GlyphSetType, "GLYPHSET");
-#endif
- }
- if (!AllocateWindowPrivate (pScreen, PictureWindowPrivateIndex, 0))
- return FALSE;
-
- if (!formats)
- {
- formats = PictureCreateDefaultFormats (pScreen, &nformats);
- if (!formats)
- return FALSE;
- }
- for (n = 0; n < nformats; n++)
- {
- if (!AddResource (formats[n].id, PictFormatType, (pointer) (formats+n)))
- {
- xfree (formats);
- return FALSE;
- }
- if (formats[n].type == PictTypeIndexed)
- {
- VisualPtr pVisual = PictureFindVisual (pScreen, formats[n].index.vid);
- if ((pVisual->class | DynamicClass) == PseudoColor)
- type = PICT_TYPE_COLOR;
- else
- type = PICT_TYPE_GRAY;
- a = r = g = b = 0;
- }
- else
- {
- if ((formats[n].direct.redMask|
- formats[n].direct.blueMask|
- formats[n].direct.greenMask) == 0)
- type = PICT_TYPE_A;
- else if (formats[n].direct.red > formats[n].direct.blue)
- type = PICT_TYPE_ARGB;
- else
- type = PICT_TYPE_ABGR;
- a = Ones (formats[n].direct.alphaMask);
- r = Ones (formats[n].direct.redMask);
- g = Ones (formats[n].direct.greenMask);
- b = Ones (formats[n].direct.blueMask);
- }
- formats[n].format = PICT_FORMAT(0,type,a,r,g,b);
- }
- ps = (PictureScreenPtr) xalloc (sizeof (PictureScreenRec));
- if (!ps)
- {
- xfree (formats);
- return FALSE;
- }
- SetPictureScreen(pScreen, ps);
- if (!GlyphInit (pScreen))
- {
- SetPictureScreen(pScreen, 0);
- xfree (formats);
- xfree (ps);
- return FALSE;
- }
-
- ps->totalPictureSize = sizeof (PictureRec);
- ps->PicturePrivateSizes = 0;
- ps->PicturePrivateLen = 0;
-
- ps->formats = formats;
- ps->fallback = formats;
- ps->nformats = nformats;
-
- ps->filters = 0;
- ps->nfilters = 0;
- ps->filterAliases = 0;
- ps->nfilterAliases = 0;
-
- ps->subpixel = SubPixelUnknown;
-
- ps->CloseScreen = pScreen->CloseScreen;
- ps->DestroyWindow = pScreen->DestroyWindow;
- ps->StoreColors = pScreen->StoreColors;
- pScreen->DestroyWindow = PictureDestroyWindow;
- pScreen->CloseScreen = PictureCloseScreen;
- pScreen->StoreColors = PictureStoreColors;
-
- if (!PictureSetDefaultFilters (pScreen))
- {
- PictureResetFilters (pScreen);
- SetPictureScreen(pScreen, 0);
- xfree (formats);
- xfree (ps);
- return FALSE;
- }
-
- return TRUE;
-}
-
-void
-SetPictureToDefaults (PicturePtr pPicture)
-{
- pPicture->refcnt = 1;
- pPicture->repeat = 0;
- pPicture->graphicsExposures = FALSE;
- pPicture->subWindowMode = ClipByChildren;
- pPicture->polyEdge = PolyEdgeSharp;
- pPicture->polyMode = PolyModePrecise;
- pPicture->freeCompClip = FALSE;
- pPicture->clientClipType = CT_NONE;
- pPicture->componentAlpha = FALSE;
- pPicture->repeatType = RepeatNone;
-
- pPicture->alphaMap = 0;
- pPicture->alphaOrigin.x = 0;
- pPicture->alphaOrigin.y = 0;
-
- pPicture->clipOrigin.x = 0;
- pPicture->clipOrigin.y = 0;
- pPicture->clientClip = 0;
-
- pPicture->transform = 0;
-
- pPicture->dither = None;
- pPicture->filter = PictureGetFilterId (FilterNearest, -1, TRUE);
- pPicture->filter_params = 0;
- pPicture->filter_nparams = 0;
-
- pPicture->serialNumber = GC_CHANGE_SERIAL_BIT;
- pPicture->stateChanges = (1 << (CPLastBit+1)) - 1;
- pPicture->pSourcePict = 0;
-}
-
-PicturePtr
-AllocatePicture (ScreenPtr pScreen)
-{
- PictureScreenPtr ps = GetPictureScreen(pScreen);
- PicturePtr pPicture;
- char *ptr;
- DevUnion *ppriv;
- unsigned int *sizes;
- unsigned int size;
- int i;
-
- pPicture = (PicturePtr) xalloc (ps->totalPictureSize);
- if (!pPicture)
- return 0;
- ppriv = (DevUnion *)(pPicture + 1);
- pPicture->devPrivates = ppriv;
- sizes = ps->PicturePrivateSizes;
- ptr = (char *)(ppriv + ps->PicturePrivateLen);
- for (i = ps->PicturePrivateLen; --i >= 0; ppriv++, sizes++)
- {
- if ( (size = *sizes) )
- {
- ppriv->ptr = (pointer)ptr;
- ptr += size;
- }
- else
- ppriv->ptr = (pointer)NULL;
- }
-
- nxagentPicturePriv(pPicture) -> picture = 0;
-
- return pPicture;
-}
-
-/*
- * Let picture always point to the virtual pixmap.
- * For sure this is not the best way to deal with
- * the virtual frame-buffer.
- */
-
-#define NXAGENT_PICTURE_ALWAYS_POINTS_TO_VIRTUAL
-
-PicturePtr
-CreatePicture (Picture pid,
- DrawablePtr pDrawable,
- PictFormatPtr pFormat,
- Mask vmask,
- XID *vlist,
- ClientPtr client,
- int *error)
-{
- PicturePtr pPicture;
- PictureScreenPtr ps = GetPictureScreen(pDrawable->pScreen);
-
- pPicture = AllocatePicture (pDrawable->pScreen);
- if (!pPicture)
- {
- *error = BadAlloc;
- return 0;
- }
-
- pPicture->id = pid;
- pPicture->pDrawable = pDrawable;
- pPicture->pFormat = pFormat;
- pPicture->format = pFormat->format | (pDrawable->bitsPerPixel << 24);
- if (pDrawable->type == DRAWABLE_PIXMAP)
- {
- #ifdef NXAGENT_PICTURE_ALWAYS_POINTS_TO_VIRTUAL
-
- pPicture->pDrawable = nxagentVirtualDrawable(pDrawable);
-
- #endif
-
- ++((PixmapPtr)pDrawable)->refcnt;
- pPicture->pNext = 0;
- }
- else
- {
- pPicture->pNext = GetPictureWindow(((WindowPtr) pDrawable));
- SetPictureWindow(((WindowPtr) pDrawable), pPicture);
- }
-
- SetPictureToDefaults (pPicture);
-
- if (vmask)
- *error = ChangePicture (pPicture, vmask, vlist, 0, client);
- else
- *error = Success;
- if (*error == Success)
- *error = (*ps->CreatePicture) (pPicture);
- if (*error != Success)
- {
- FreePicture (pPicture, (XID) 0);
- pPicture = 0;
- }
- return pPicture;
-}
-
-static CARD32 xRenderColorToCard32(xRenderColor c)
-{
- return
- (c.alpha >> 8 << 24) |
- (c.red >> 8 << 16) |
- (c.green & 0xff00) |
- (c.blue >> 8);
-}
-
-static unsigned int premultiply(unsigned int x)
-{
- unsigned int a = x >> 24;
- unsigned int t = (x & 0xff00ff) * a;
- t = (t + ((t >> 8) & 0xff00ff) + 0x800080) >> 8;
- t &= 0xff00ff;
-
- x = ((x >> 8) & 0xff) * a;
- x = (x + ((x >> 8) & 0xff) + 0x80);
- x &= 0xff00;
- x |= t | (a << 24);
- return x;
-}
-
-static unsigned int INTERPOLATE_PIXEL_256(unsigned int x, unsigned int a,
- unsigned int y, unsigned int b)
-{
- CARD32 t = (x & 0xff00ff) * a + (y & 0xff00ff) * b;
- t >>= 8;
- t &= 0xff00ff;
-
- x = ((x >> 8) & 0xff00ff) * a + ((y >> 8) & 0xff00ff) * b;
- x &= 0xff00ff00;
- x |= t;
- return x;
-}
-
-static void initGradientColorTable(SourcePictPtr pGradient, int *error)
-{
- int begin_pos, end_pos;
- xFixed incr, dpos;
- int pos, current_stop;
- PictGradientStopPtr stops = pGradient->linear.stops;
- int nstops = pGradient->linear.nstops;
-
- /* The position where the gradient begins and ends */
- begin_pos = (stops[0].x * PICT_GRADIENT_STOPTABLE_SIZE) >> 16;
- end_pos = (stops[nstops - 1].x * PICT_GRADIENT_STOPTABLE_SIZE) >> 16;
-
- pos = 0; /* The position in the color table. */
-
- /* Up to first point */
- while (pos <= begin_pos) {
- pGradient->linear.colorTable[pos] = xRenderColorToCard32(stops[0].color);
- ++pos;
- }
-
- incr = (1<<16)/ PICT_GRADIENT_STOPTABLE_SIZE; /* the double increment. */
- dpos = incr * pos; /* The position in terms of 0-1. */
-
- current_stop = 0; /* We always interpolate between current and current + 1. */
-
- /* Gradient area */
- while (pos < end_pos) {
- unsigned int current_color = xRenderColorToCard32(stops[current_stop].color);
- unsigned int next_color = xRenderColorToCard32(stops[current_stop + 1].color);
-
- int dist = (int)(256*(dpos - stops[current_stop].x)
- / (stops[current_stop+1].x - stops[current_stop].x));
- int idist = 256 - dist;
-
- pGradient->linear.colorTable[pos] = premultiply(INTERPOLATE_PIXEL_256(current_color, idist, next_color, dist));
-
- ++pos;
- dpos += incr;
-
- if (dpos > stops[current_stop + 1].x)
- ++current_stop;
- }
-
- /* After last point */
- while (pos < PICT_GRADIENT_STOPTABLE_SIZE) {
- pGradient->linear.colorTable[pos] = xRenderColorToCard32(stops[nstops - 1].color);
- ++pos;
- }
-}
-
-static void initGradient(SourcePictPtr pGradient, int stopCount,
- xFixed *stopPoints, xRenderColor *stopColors, int *error)
-{
- int i;
- xFixed dpos;
-
- if (stopCount <= 0) {
- *error = BadValue;
- return;
- }
-
- dpos = -1;
- for (i = 0; i < stopCount; ++i) {
- if (stopPoints[i] <= dpos || stopPoints[i] > (1<<16)) {
- *error = BadValue;
- return;
- }
- dpos = stopPoints[i];
- }
-
- pGradient->linear.stops = xalloc(stopCount*sizeof(PictGradientStop));
- if (!pGradient->linear.stops) {
- *error = BadAlloc;
- return;
- }
-
- pGradient->linear.nstops = stopCount;
-
- for (i = 0; i < stopCount; ++i) {
- pGradient->linear.stops[i].x = stopPoints[i];
- pGradient->linear.stops[i].color = stopColors[i];
- }
- initGradientColorTable(pGradient, error);
-}
-
-static PicturePtr createSourcePicture(void)
-{
- PicturePtr pPicture;
-
- extern int nxagentPicturePrivateIndex;
-
- unsigned int totalPictureSize;
-
- DevUnion *ppriv;
-
- char *privPictureRecAddr;
-
- int i;
-
- /*
- * Compute size of entire PictureRect, plus privates.
- */
-
- totalPictureSize = sizeof(PictureRec) +
- picturePrivateCount * sizeof(DevUnion) +
- sizeof(nxagentPrivPictureRec);
-
- pPicture = (PicturePtr) xalloc(totalPictureSize);
-
- if (pPicture != NULL)
- {
- ppriv = (DevUnion *) (pPicture + 1);
-
- for (i = 0; i < picturePrivateCount; ++i)
- {
- /*
- * Other privates are inaccessible.
- */
-
- ppriv[i].ptr = NULL;
- }
-
- privPictureRecAddr = (char *) &ppriv[picturePrivateCount];
-
- ppriv[nxagentPicturePrivateIndex].ptr = (pointer) privPictureRecAddr;
-
- pPicture -> devPrivates = ppriv;
-
- nxagentPicturePriv(pPicture) -> picture = 0;
- }
-
- pPicture->pDrawable = 0;
- pPicture->pFormat = 0;
- pPicture->pNext = 0;
-
- SetPictureToDefaults(pPicture);
- return pPicture;
-}
-
-PicturePtr
-CreateSolidPicture (Picture pid, xRenderColor *color, int *error)
-{
- PicturePtr pPicture;
- pPicture = createSourcePicture();
- if (!pPicture) {
- *error = BadAlloc;
- return 0;
- }
-
- pPicture->id = pid;
- pPicture->pSourcePict = (SourcePictPtr) xalloc(sizeof(PictSolidFill));
- if (!pPicture->pSourcePict) {
- *error = BadAlloc;
- xfree(pPicture);
- return 0;
- }
- pPicture->pSourcePict->type = SourcePictTypeSolidFill;
- pPicture->pSourcePict->solidFill.color = xRenderColorToCard32(*color);
- pPicture->pSourcePict->solidFill.fullColor.alpha=color->alpha;
- pPicture->pSourcePict->solidFill.fullColor.red=color->red;
- pPicture->pSourcePict->solidFill.fullColor.green=color->green;
- pPicture->pSourcePict->solidFill.fullColor.blue=color->blue;
- return pPicture;
-}
-
-PicturePtr
-CreateLinearGradientPicture (Picture pid, xPointFixed *p1, xPointFixed *p2,
- int nStops, xFixed *stops, xRenderColor *colors, int *error)
-{
- PicturePtr pPicture;
-
- if (nStops < 2) {
- *error = BadValue;
- return 0;
- }
-
- pPicture = createSourcePicture();
- if (!pPicture) {
- *error = BadAlloc;
- return 0;
- }
- if (p1->x == p2->x && p1->y == p2->y) {
- *error = BadValue;
- return 0;
- }
-
- pPicture->id = pid;
- pPicture->pSourcePict = (SourcePictPtr) xalloc(sizeof(PictLinearGradient));
- if (!pPicture->pSourcePict) {
- *error = BadAlloc;
- xfree(pPicture);
- return 0;
- }
-
- pPicture->pSourcePict->linear.type = SourcePictTypeLinear;
- pPicture->pSourcePict->linear.p1 = *p1;
- pPicture->pSourcePict->linear.p2 = *p2;
-
- initGradient(pPicture->pSourcePict, nStops, stops, colors, error);
- if (*error) {
- xfree(pPicture);
- return 0;
- }
- return pPicture;
-}
-
-#define FixedToDouble(x) ((x)/65536.)
-
-PicturePtr
-CreateRadialGradientPicture (Picture pid, xPointFixed *inner, xPointFixed *outer,
- xFixed innerRadius, xFixed outerRadius,
- int nStops, xFixed *stops, xRenderColor *colors, int *error)
-{
- PicturePtr pPicture;
- PictRadialGradient *radial;
-
- if (nStops < 2) {
- *error = BadValue;
- return 0;
- }
-
- pPicture = createSourcePicture();
- if (!pPicture) {
- *error = BadAlloc;
- return 0;
- }
- {
- double dx = (double)(inner->x - outer->x);
- double dy = (double)(inner->y - outer->y);
- if (sqrt(dx*dx + dy*dy) + (double)(innerRadius) > (double)(outerRadius)) {
- *error = BadValue;
- return 0;
- }
- }
-
- pPicture->id = pid;
- pPicture->pSourcePict = (SourcePictPtr) xalloc(sizeof(PictRadialGradient));
- if (!pPicture->pSourcePict) {
- *error = BadAlloc;
- xfree(pPicture);
- return 0;
- }
- radial = &pPicture->pSourcePict->radial;
-
- radial->type = SourcePictTypeRadial;
- {
- double x = (double)innerRadius / (double)outerRadius;
- radial->dx = (outer->x - inner->x);
- radial->dy = (outer->y - inner->y);
- radial->fx = (inner->x) - x*radial->dx;
- radial->fy = (inner->y) - x*radial->dy;
- radial->m = 1./(1+x);
- radial->b = -x*radial->m;
- radial->dx /= 65536.;
- radial->dy /= 65536.;
- radial->fx /= 65536.;
- radial->fy /= 65536.;
- x = outerRadius/65536.;
- radial->a = x*x - radial->dx*radial->dx - radial->dy*radial->dy;
- }
-
- initGradient(pPicture->pSourcePict, nStops, stops, colors, error);
- if (*error) {
- xfree(pPicture);
- return 0;
- }
- return pPicture;
-}
-
-PicturePtr
-CreateConicalGradientPicture (Picture pid, xPointFixed *center, xFixed angle,
- int nStops, xFixed *stops, xRenderColor *colors, int *error)
-{
- PicturePtr pPicture;
-
- if (nStops < 2) {
- *error = BadValue;
- return 0;
- }
-
- pPicture = createSourcePicture();
- if (!pPicture) {
- *error = BadAlloc;
- return 0;
- }
-
- pPicture->id = pid;
- pPicture->pSourcePict = (SourcePictPtr) xalloc(sizeof(PictConicalGradient));
- if (!pPicture->pSourcePict) {
- *error = BadAlloc;
- xfree(pPicture);
- return 0;
- }
-
- pPicture->pSourcePict->conical.type = SourcePictTypeConical;
- pPicture->pSourcePict->conical.center = *center;
- pPicture->pSourcePict->conical.angle = angle;
-
- initGradient(pPicture->pSourcePict, nStops, stops, colors, error);
- if (*error) {
- xfree(pPicture);
- return 0;
- }
- return pPicture;
-}
-
-#define NEXT_VAL(_type) (vlist ? (_type) *vlist++ : (_type) ulist++->val)
-
-#define NEXT_PTR(_type) ((_type) ulist++->ptr)
-
-int
-ChangePicture (PicturePtr pPicture,
- Mask vmask,
- XID *vlist,
- DevUnion *ulist,
- ClientPtr client)
-{
- ScreenPtr pScreen = pPicture->pDrawable ? pPicture->pDrawable->pScreen : 0;
- PictureScreenPtr ps = pScreen ? GetPictureScreen(pScreen) : 0;
- BITS32 index2;
- int error = 0;
- BITS32 maskQ;
-
- pPicture->serialNumber |= GC_CHANGE_SERIAL_BIT;
- maskQ = vmask;
- while (vmask && !error)
- {
- index2 = (BITS32) lowbit (vmask);
- vmask &= ~index2;
- pPicture->stateChanges |= index2;
- switch (index2)
- {
- case CPRepeat:
- {
- unsigned int newr;
- newr = NEXT_VAL(unsigned int);
- if (newr <= RepeatReflect)
- {
- pPicture->repeat = (newr != RepeatNone);
- pPicture->repeatType = newr;
- }
- else
- {
- client->errorValue = newr;
- error = BadValue;
- }
- }
- break;
- case CPAlphaMap:
- {
- PicturePtr pAlpha;
-
- if (vlist)
- {
- Picture pid = NEXT_VAL(Picture);
-
- if (pid == None)
- pAlpha = 0;
- else
- {
- pAlpha = (PicturePtr) SecurityLookupIDByType(client,
- pid,
- PictureType,
- SecurityWriteAccess|SecurityReadAccess);
- if (!pAlpha)
- {
- client->errorValue = pid;
- error = BadPixmap;
- break;
- }
- if (pAlpha->pDrawable->type != DRAWABLE_PIXMAP)
- {
- client->errorValue = pid;
- error = BadMatch;
- break;
- }
- }
- }
- else
- pAlpha = NEXT_PTR(PicturePtr);
- if (!error)
- {
- if (pAlpha && pAlpha->pDrawable->type == DRAWABLE_PIXMAP)
- pAlpha->refcnt++;
- if (pPicture->alphaMap)
- FreePicture ((pointer) pPicture->alphaMap, (XID) 0);
- pPicture->alphaMap = pAlpha;
- }
- }
- break;
- case CPAlphaXOrigin:
- pPicture->alphaOrigin.x = NEXT_VAL(INT16);
- break;
- case CPAlphaYOrigin:
- pPicture->alphaOrigin.y = NEXT_VAL(INT16);
- break;
- case CPClipXOrigin:
- pPicture->clipOrigin.x = NEXT_VAL(INT16);
- break;
- case CPClipYOrigin:
- pPicture->clipOrigin.y = NEXT_VAL(INT16);
- break;
- case CPClipMask:
- {
- Pixmap pid;
- PixmapPtr pPixmap;
- int clipType;
- if (!pScreen)
- return BadDrawable;
-
- if (vlist)
- {
- pid = NEXT_VAL(Pixmap);
- if (pid == None)
- {
- clipType = CT_NONE;
- pPixmap = NullPixmap;
- }
- else
- {
- clipType = CT_PIXMAP;
- pPixmap = (PixmapPtr)SecurityLookupIDByType(client,
- pid,
- RT_PIXMAP,
- SecurityReadAccess);
- if (!pPixmap)
- {
- client->errorValue = pid;
- error = BadPixmap;
- break;
- }
- }
- }
- else
- {
- pPixmap = NEXT_PTR(PixmapPtr);
- if (pPixmap)
- clipType = CT_PIXMAP;
- else
- clipType = CT_NONE;
- }
-
- if (pPixmap)
- {
- if ((pPixmap->drawable.depth != 1) ||
- (pPixmap->drawable.pScreen != pScreen))
- {
- error = BadMatch;
- break;
- }
- else
- {
- clipType = CT_PIXMAP;
- pPixmap->refcnt++;
- }
- }
-
- #ifdef DEBUG
- fprintf(stderr, "ChangePicture: Going to call ChangePictureClip with clipType [%d] pPixmap [%p].\n",
- clipType, (void *) pPixmap);
- #endif
-
- error = (*ps->ChangePictureClip)(pPicture, clipType,
- (pointer)pPixmap, 0);
- break;
- }
- case CPGraphicsExposure:
- {
- unsigned int newe;
- newe = NEXT_VAL(unsigned int);
- if (newe <= xTrue)
- pPicture->graphicsExposures = newe;
- else
- {
- client->errorValue = newe;
- error = BadValue;
- }
- }
- break;
- case CPSubwindowMode:
- {
- unsigned int news;
- news = NEXT_VAL(unsigned int);
- if (news == ClipByChildren || news == IncludeInferiors)
- pPicture->subWindowMode = news;
- else
- {
- client->errorValue = news;
- error = BadValue;
- }
- }
- break;
- case CPPolyEdge:
- {
- unsigned int newe;
- newe = NEXT_VAL(unsigned int);
- if (newe == PolyEdgeSharp || newe == PolyEdgeSmooth)
- pPicture->polyEdge = newe;
- else
- {
- client->errorValue = newe;
- error = BadValue;
- }
- }
- break;
- case CPPolyMode:
- {
- unsigned int newm;
- newm = NEXT_VAL(unsigned int);
- if (newm == PolyModePrecise || newm == PolyModeImprecise)
- pPicture->polyMode = newm;
- else
- {
- client->errorValue = newm;
- error = BadValue;
- }
- }
- break;
- case CPDither:
- pPicture->dither = NEXT_VAL(Atom);
- break;
- case CPComponentAlpha:
- {
- unsigned int newca;
-
- newca = NEXT_VAL (unsigned int);
- if (newca <= xTrue)
- pPicture->componentAlpha = newca;
- else
- {
- client->errorValue = newca;
- error = BadValue;
- }
- }
- break;
- default:
- client->errorValue = maskQ;
- error = BadValue;
- break;
- }
- }
- if (ps)
- (*ps->ChangePicture) (pPicture, maskQ);
- return error;
-}
-
-int
-SetPictureClipRects (PicturePtr pPicture,
- int xOrigin,
- int yOrigin,
- int nRect,
- xRectangle *rects)
-{
- ScreenPtr pScreen = pPicture->pDrawable->pScreen;
- PictureScreenPtr ps = GetPictureScreen(pScreen);
- RegionPtr clientClip;
- int result;
-
- clientClip = RECTS_TO_REGION(pScreen,
- nRect, rects, CT_UNSORTED);
- if (!clientClip)
- return BadAlloc;
- result =(*ps->ChangePictureClip) (pPicture, CT_REGION,
- (pointer) clientClip, 0);
- if (result == Success)
- {
- pPicture->clipOrigin.x = xOrigin;
- pPicture->clipOrigin.y = yOrigin;
- pPicture->stateChanges |= CPClipXOrigin|CPClipYOrigin|CPClipMask;
- pPicture->serialNumber |= GC_CHANGE_SERIAL_BIT;
- }
- return result;
-}
-
-int
-SetPictureClipRegion (PicturePtr pPicture,
- int xOrigin,
- int yOrigin,
- RegionPtr pRegion)
-{
- ScreenPtr pScreen = pPicture->pDrawable->pScreen;
- PictureScreenPtr ps = GetPictureScreen(pScreen);
- RegionPtr clientClip;
- int result;
- int type;
-
- if (pRegion)
- {
- type = CT_REGION;
- clientClip = REGION_CREATE (pScreen,
- REGION_EXTENTS(pScreen, pRegion),
- REGION_NUM_RECTS(pRegion));
- if (!clientClip)
- return BadAlloc;
- if (!REGION_COPY (pSCreen, clientClip, pRegion))
- {
- REGION_DESTROY (pScreen, clientClip);
- return BadAlloc;
- }
- }
- else
- {
- type = CT_NONE;
- clientClip = 0;
- }
-
- result =(*ps->ChangePictureClip) (pPicture, type,
- (pointer) clientClip, 0);
- if (result == Success)
- {
- pPicture->clipOrigin.x = xOrigin;
- pPicture->clipOrigin.y = yOrigin;
- pPicture->stateChanges |= CPClipXOrigin|CPClipYOrigin|CPClipMask;
- pPicture->serialNumber |= GC_CHANGE_SERIAL_BIT;
- }
- return result;
-}
-
-
-int
-SetPictureTransform (PicturePtr pPicture,
- PictTransform *transform)
-{
- static const PictTransform identity = { {
- { xFixed1, 0x00000, 0x00000 },
- { 0x00000, xFixed1, 0x00000 },
- { 0x00000, 0x00000, xFixed1 },
- } };
-
- if (transform && memcmp (transform, &identity, sizeof (PictTransform)) == 0)
- transform = 0;
-
- if (transform)
- {
- if (!pPicture->transform)
- {
- pPicture->transform = (PictTransform *) xalloc (sizeof (PictTransform));
- if (!pPicture->transform)
- return BadAlloc;
- }
- *pPicture->transform = *transform;
- }
- else
- {
- if (pPicture->transform)
- {
- xfree (pPicture->transform);
- pPicture->transform = 0;
- }
- }
- pPicture->serialNumber |= GC_CHANGE_SERIAL_BIT;
-
- return Success;
-}
-
-void
-CopyPicture (PicturePtr pSrc,
- Mask mask,
- PicturePtr pDst)
-{
- PictureScreenPtr ps = GetPictureScreen(pSrc->pDrawable->pScreen);
- Mask origMask = mask;
-
- pDst->serialNumber |= GC_CHANGE_SERIAL_BIT;
- pDst->stateChanges |= mask;
-
- while (mask) {
- Mask bit = lowbit(mask);
-
- switch (bit)
- {
- case CPRepeat:
- pDst->repeat = pSrc->repeat;
- pDst->repeatType = pSrc->repeatType;
- break;
- case CPAlphaMap:
- if (pSrc->alphaMap && pSrc->alphaMap->pDrawable->type == DRAWABLE_PIXMAP)
- pSrc->alphaMap->refcnt++;
- if (pDst->alphaMap)
- FreePicture ((pointer) pDst->alphaMap, (XID) 0);
- pDst->alphaMap = pSrc->alphaMap;
- break;
- case CPAlphaXOrigin:
- pDst->alphaOrigin.x = pSrc->alphaOrigin.x;
- break;
- case CPAlphaYOrigin:
- pDst->alphaOrigin.y = pSrc->alphaOrigin.y;
- break;
- case CPClipXOrigin:
- pDst->clipOrigin.x = pSrc->clipOrigin.x;
- break;
- case CPClipYOrigin:
- pDst->clipOrigin.y = pSrc->clipOrigin.y;
- break;
- case CPClipMask:
- switch (pSrc->clientClipType) {
- case CT_NONE:
- (*ps->ChangePictureClip)(pDst, CT_NONE, NULL, 0);
- break;
- case CT_REGION:
- if (!pSrc->clientClip) {
- (*ps->ChangePictureClip)(pDst, CT_NONE, NULL, 0);
- } else {
- RegionPtr clientClip;
- RegionPtr srcClientClip = (RegionPtr)pSrc->clientClip;
-
- clientClip = REGION_CREATE(pSrc->pDrawable->pScreen,
- REGION_EXTENTS(pSrc->pDrawable->pScreen, srcClientClip),
- REGION_NUM_RECTS(srcClientClip));
- (*ps->ChangePictureClip)(pDst, CT_REGION, clientClip, 0);
- }
- break;
- default:
- /* XXX: CT_PIXMAP unimplemented */
- break;
- }
- break;
- case CPGraphicsExposure:
- pDst->graphicsExposures = pSrc->graphicsExposures;
- break;
- case CPPolyEdge:
- pDst->polyEdge = pSrc->polyEdge;
- break;
- case CPPolyMode:
- pDst->polyMode = pSrc->polyMode;
- break;
- case CPDither:
- pDst->dither = pSrc->dither;
- break;
- case CPComponentAlpha:
- pDst->componentAlpha = pSrc->componentAlpha;
- break;
- }
- mask &= ~bit;
- }
-
- (*ps->ChangePicture)(pDst, origMask);
-}
-
-static void
-ValidateOnePicture (PicturePtr pPicture)
-{
- if (pPicture->pDrawable && pPicture->serialNumber != pPicture->pDrawable->serialNumber)
- {
- PictureScreenPtr ps = GetPictureScreen(pPicture->pDrawable->pScreen);
-
- (*ps->ValidatePicture) (pPicture, pPicture->stateChanges);
- pPicture->stateChanges = 0;
- pPicture->serialNumber = pPicture->pDrawable->serialNumber;
- }
-}
-
-void
-ValidatePicture(PicturePtr pPicture)
-{
- ValidateOnePicture (pPicture);
- if (pPicture->alphaMap)
- ValidateOnePicture (pPicture->alphaMap);
-}
-
-int
-FreePicture (pointer value,
- XID pid)
-{
- PicturePtr pPicture = (PicturePtr) value;
-
- if (--pPicture->refcnt == 0)
- {
-#ifdef NXAGENT_SERVER
- nxagentDestroyPicture(pPicture);
-#endif
-
- if (pPicture->transform)
- xfree (pPicture->transform);
- if (!pPicture->pDrawable) {
- if (pPicture->pSourcePict) {
- if (pPicture->pSourcePict->type != SourcePictTypeSolidFill)
- xfree(pPicture->pSourcePict->linear.stops);
- xfree(pPicture->pSourcePict);
- }
- } else {
- ScreenPtr pScreen = pPicture->pDrawable->pScreen;
- PictureScreenPtr ps = GetPictureScreen(pScreen);
-
- if (pPicture->alphaMap)
- FreePicture ((pointer) pPicture->alphaMap, (XID) 0);
- (*ps->DestroyPicture) (pPicture);
- (*ps->DestroyPictureClip) (pPicture);
- if (pPicture->pDrawable->type == DRAWABLE_WINDOW)
- {
- WindowPtr pWindow = (WindowPtr) pPicture->pDrawable;
- PicturePtr *pPrev;
-
- for (pPrev = (PicturePtr *) &((pWindow)->devPrivates[PictureWindowPrivateIndex].ptr);
- *pPrev;
- pPrev = &(*pPrev)->pNext)
- {
- if (*pPrev == pPicture)
- {
- *pPrev = pPicture->pNext;
- break;
- }
- }
- }
- else if (pPicture->pDrawable->type == DRAWABLE_PIXMAP)
- {
- (*pScreen->DestroyPixmap) ((PixmapPtr)pPicture->pDrawable);
- }
- }
- xfree (pPicture);
- }
- return Success;
-}
-
-int
-FreePictFormat (pointer pPictFormat,
- XID pid)
-{
- return Success;
-}
-
-void
-CompositePicture (CARD8 op,
- PicturePtr pSrc,
- PicturePtr pMask,
- PicturePtr pDst,
- INT16 xSrc,
- INT16 ySrc,
- INT16 xMask,
- INT16 yMask,
- INT16 xDst,
- INT16 yDst,
- CARD16 width,
- CARD16 height)
-{
- PictureScreenPtr ps = GetPictureScreen(pDst->pDrawable->pScreen);
-
- ValidatePicture (pSrc);
- if (pMask)
- ValidatePicture (pMask);
- ValidatePicture (pDst);
- (*ps->Composite) (op,
- pSrc,
- pMask,
- pDst,
- xSrc,
- ySrc,
- xMask,
- yMask,
- xDst,
- yDst,
- width,
- height);
-}
-
-void
-CompositeGlyphs (CARD8 op,
- PicturePtr pSrc,
- PicturePtr pDst,
- PictFormatPtr maskFormat,
- INT16 xSrc,
- INT16 ySrc,
- int nlist,
- GlyphListPtr lists,
- GlyphPtr *glyphs)
-{
- PictureScreenPtr ps = GetPictureScreen(pDst->pDrawable->pScreen);
-
- ValidatePicture (pSrc);
- ValidatePicture (pDst);
-
- #ifdef TEST
- fprintf(stderr, "CompositeGlyphs: Going to composite glyphs with "
- "source at [%p] and destination at [%p].\n",
- (void *) pSrc, (void *) pDst);
- #endif
-
- (*ps->Glyphs) (op, pSrc, pDst, maskFormat, xSrc, ySrc, nlist, lists, glyphs);
-}
-
-void
-CompositeRects (CARD8 op,
- PicturePtr pDst,
- xRenderColor *color,
- int nRect,
- xRectangle *rects)
-{
- PictureScreenPtr ps = GetPictureScreen(pDst->pDrawable->pScreen);
-
- ValidatePicture (pDst);
- (*ps->CompositeRects) (op, pDst, color, nRect, rects);
-}
-
-void
-CompositeTrapezoids (CARD8 op,
- PicturePtr pSrc,
- PicturePtr pDst,
- PictFormatPtr maskFormat,
- INT16 xSrc,
- INT16 ySrc,
- int ntrap,
- xTrapezoid *traps)
-{
- PictureScreenPtr ps = GetPictureScreen(pDst->pDrawable->pScreen);
-
- ValidatePicture (pSrc);
- ValidatePicture (pDst);
- (*ps->Trapezoids) (op, pSrc, pDst, maskFormat, xSrc, ySrc, ntrap, traps);
-}
-
-void
-CompositeTriangles (CARD8 op,
- PicturePtr pSrc,
- PicturePtr pDst,
- PictFormatPtr maskFormat,
- INT16 xSrc,
- INT16 ySrc,
- int ntriangles,
- xTriangle *triangles)
-{
- PictureScreenPtr ps = GetPictureScreen(pDst->pDrawable->pScreen);
-
- ValidatePicture (pSrc);
- ValidatePicture (pDst);
- (*ps->Triangles) (op, pSrc, pDst, maskFormat, xSrc, ySrc, ntriangles, triangles);
-}
-
-void
-CompositeTriStrip (CARD8 op,
- PicturePtr pSrc,
- PicturePtr pDst,
- PictFormatPtr maskFormat,
- INT16 xSrc,
- INT16 ySrc,
- int npoints,
- xPointFixed *points)
-{
- PictureScreenPtr ps = GetPictureScreen(pDst->pDrawable->pScreen);
-
- ValidatePicture (pSrc);
- ValidatePicture (pDst);
- (*ps->TriStrip) (op, pSrc, pDst, maskFormat, xSrc, ySrc, npoints, points);
-}
-
-void
-CompositeTriFan (CARD8 op,
- PicturePtr pSrc,
- PicturePtr pDst,
- PictFormatPtr maskFormat,
- INT16 xSrc,
- INT16 ySrc,
- int npoints,
- xPointFixed *points)
-{
- PictureScreenPtr ps = GetPictureScreen(pDst->pDrawable->pScreen);
-
- ValidatePicture (pSrc);
- ValidatePicture (pDst);
- (*ps->TriFan) (op, pSrc, pDst, maskFormat, xSrc, ySrc, npoints, points);
-}
-
-void
-AddTraps (PicturePtr pPicture,
- INT16 xOff,
- INT16 yOff,
- int ntrap,
- xTrap *traps)
-{
- PictureScreenPtr ps = GetPictureScreen(pPicture->pDrawable->pScreen);
-
- ValidatePicture (pPicture);
- (*ps->AddTraps) (pPicture, xOff, yOff, ntrap, traps);
-}
-
-#define MAX_FIXED_48_16 ((xFixed_48_16) 0x7fffffff)
-#define MIN_FIXED_48_16 (-((xFixed_48_16) 1 << 31))
-
-Bool
-PictureTransformPoint3d (PictTransformPtr transform,
- PictVectorPtr vector)
-{
- PictVector result;
- int i, j;
- xFixed_32_32 partial;
- xFixed_48_16 v;
-
- for (j = 0; j < 3; j++)
- {
- v = 0;
- for (i = 0; i < 3; i++)
- {
- partial = ((xFixed_48_16) transform->matrix[j][i] *
- (xFixed_48_16) vector->vector[i]);
- v += partial >> 16;
- }
- if (v > MAX_FIXED_48_16 || v < MIN_FIXED_48_16)
- return FALSE;
- result.vector[j] = (xFixed) v;
- }
- if (!result.vector[2])
- return FALSE;
- *vector = result;
- return TRUE;
-}
-
-
-Bool
-PictureTransformPoint (PictTransformPtr transform,
- PictVectorPtr vector)
-{
- PictVector result;
- int i, j;
- xFixed_32_32 partial;
- xFixed_48_16 v;
-
- for (j = 0; j < 3; j++)
- {
- v = 0;
- for (i = 0; i < 3; i++)
- {
- partial = ((xFixed_48_16) transform->matrix[j][i] *
- (xFixed_48_16) vector->vector[i]);
- v += partial >> 16;
- }
- if (v > MAX_FIXED_48_16 || v < MIN_FIXED_48_16)
- return FALSE;
- result.vector[j] = (xFixed) v;
- }
- if (!result.vector[2])
- return FALSE;
- for (j = 0; j < 2; j++)
- {
- partial = (xFixed_48_16) result.vector[j] << 16;
- v = partial / result.vector[2];
- if (v > MAX_FIXED_48_16 || v < MIN_FIXED_48_16)
- return FALSE;
- vector->vector[j] = (xFixed) v;
- }
- vector->vector[2] = xFixed1;
- return TRUE;
-}
-
-#ifndef True
-# define True 1
-#endif
-
-#ifndef False
-# define False 0
-#endif
-
-void nxagentReconnectPictFormat(void*, XID, void*);
-
-Bool nxagentReconnectAllPictFormat(void *p)
-{
- PictFormatPtr formats_old, formats;
- int nformats, nformats_old;
- VisualPtr pVisual;
- Bool success = True;
- Bool matched;
- int i, n;
- CARD32 type, a, r, g, b;
-
- #if defined(NXAGENT_RECONNECT_DEBUG) || defined(NXAGENT_RECONNECT_PICTFORMAT_DEBUG)
- fprintf(stderr, "nxagentReconnectAllPictFormat\n");
- #endif
-
- formats_old = GetPictureScreen(nxagentDefaultScreen) -> formats;
- nformats_old = GetPictureScreen(nxagentDefaultScreen) -> nformats;
-
- /*
- * TODO: We could copy PictureCreateDefaultFormats,
- * in order not to waste ID with FakeClientID().
- */
- formats = PictureCreateDefaultFormats (nxagentDefaultScreen, &nformats);
-
- if (!formats)
- return False;
-
- for (n = 0; n < nformats; n++)
- {
- if (formats[n].type == PictTypeIndexed)
- {
- pVisual = nxagentVisualFromID(nxagentDefaultScreen, formats[n].index.vid);
-
- if ((pVisual->class | DynamicClass) == PseudoColor)
- type = PICT_TYPE_COLOR;
- else
- type = PICT_TYPE_GRAY;
- a = r = g = b = 0;
- }
- else
- {
- if ((formats[n].direct.redMask|
- formats[n].direct.blueMask|
- formats[n].direct.greenMask) == 0)
- type = PICT_TYPE_A;
- else if (formats[n].direct.red > formats[n].direct.blue)
- type = PICT_TYPE_ARGB;
- else
- type = PICT_TYPE_ABGR;
- a = Ones (formats[n].direct.alphaMask);
- r = Ones (formats[n].direct.redMask);
- g = Ones (formats[n].direct.greenMask);
- b = Ones (formats[n].direct.blueMask);
- }
- formats[n].format = PICT_FORMAT(0,type,a,r,g,b);
- }
-
- for (n = 0; n < nformats_old; n++)
- {
- for (i = 0, matched = False; (!matched) && (i < nformats); i++)
- {
- if (formats_old[n].format == formats[i].format &&
- formats_old[n].type == formats[i].type &&
- formats_old[n].direct.red == formats[i].direct.red &&
- formats_old[n].direct.green == formats[i].direct.green &&
- formats_old[n].direct.blue == formats[i].direct.blue &&
- formats_old[n].direct.redMask == formats[i].direct.redMask &&
- formats_old[n].direct.greenMask == formats[i].direct.greenMask &&
- formats_old[n].direct.blueMask == formats[i].direct.blueMask &&
- formats_old[n].direct.alpha == formats[i].direct.alpha &&
- formats_old[n].direct.alphaMask == formats[i].direct.alphaMask)
- {
- /*
- * Regard depth 16 and 15 as were the same, if all other values match.
- */
-
- if ((formats_old[n].depth == formats[i].depth) ||
- ((formats_old[n].depth == 15 || formats_old[n].depth == 16) &&
- (formats[i].depth == 15 || formats[i].depth == 16)))
- {
- matched = True;
- }
- }
- }
-
- if (!matched)
- {
- return False;
- }
- }
-
- xfree(formats);
-
- /* TODO: Perhaps do i have to do PictureFinishInit ?. */
- /* TODO: We have to check for new Render protocol version. */
-
- for (i = 0; (i < MAXCLIENTS) && (success); i++)
- {
- if (clients[i])
- {
- FindClientResourcesByType(clients[i], PictFormatType, nxagentReconnectPictFormat, &success);
- }
- }
-
- return success;
-}
-
-/*
- * It seem we don't have nothing
- * to do for reconnect PictureFormat.
- */
-
-void nxagentReconnectPictFormat(void *p0, XID x1, void *p2)
-{
- PictFormatPtr pFormat;
- Bool *pBool;
-
- pFormat = (PictFormatPtr)p0;
- pBool = (Bool*)p2;
-
- #if defined(NXAGENT_RECONNECT_DEBUG) || defined(NXAGENT_RECONNECT_PICTFORMAT_DEBUG)
- fprintf(stderr, "nxagentReconnectPictFormat.\n");
- #endif
-}
-
-/*
- * The set of picture formats may change considerably
- * between different X servers. This poses a problem
- * while migrating NX sessions, because a requisite to
- * successfully reconnect the session is that all pic-
- * ture formats have to be available on the new X server.
- * To reduce such problems, we use a limited set of
- * pictures available on the most X servers.
- */
-
-void nxagentPictureCreateDefaultFormats(ScreenPtr pScreen, FormatInitRec *formats, int *nformats)
-{
- DepthPtr pDepth;
- VisualPtr pVisual;
-
- CARD32 format;
- CARD8 depth;
-
- int r, g, b;
- int bpp;
- int d;
- int v;
-
-
- formats[*nformats].format = PICT_a1;
- formats[*nformats].depth = 1;
- *nformats += 1;
- formats[*nformats].format = PICT_a4;
- formats[*nformats].depth = 4;
- *nformats += 1;
- formats[*nformats].format = PICT_a8;
- formats[*nformats].depth = 8;
- *nformats += 1;
- formats[*nformats].format = PICT_a8r8g8b8;
- formats[*nformats].depth = 32;
- *nformats += 1;
-
- /*
- * This format should be required by the
- * protocol, but it's not used by Xgl.
- *
- * formats[*nformats].format = PICT_x8r8g8b8;
- * formats[*nformats].depth = 32;
- * *nformats += 1;
- */
-
- /* 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);
-
- if (pVisual->offsetBlue == 0 &&
- pVisual->offsetGreen == b &&
- pVisual->offsetRed == b + g)
- {
- format = PICT_FORMAT(bpp, PICT_TYPE_ARGB, 0, r, g, b);
- *nformats = addFormat (formats, *nformats, format, depth);
- }
- break;
- case StaticColor:
- case PseudoColor:
- case StaticGray:
- case GrayScale:
- break;
- }
- }
-
- for (d = 0; d < pScreen -> numDepths; d++)
- {
- pDepth = &pScreen -> allowedDepths[d];
- bpp = BitsPerPixel(pDepth -> depth);
-
- switch (bpp) {
- case 16:
- if (pDepth->depth == 15)
- {
- *nformats = addFormat (formats, *nformats,
- PICT_x1r5g5b5, pDepth->depth);
- }
-
- if (pDepth->depth == 16)
- {
- *nformats = addFormat (formats, *nformats,
- PICT_r5g6b5, pDepth->depth);
- }
- break;
- case 24:
- if (pDepth->depth == 24)
- {
- *nformats = addFormat (formats, *nformats,
- PICT_r8g8b8, pDepth->depth);
- }
- break;
- case 32:
- if (pDepth->depth == 24)
- {
- *nformats = addFormat (formats, *nformats,
- PICT_x8r8g8b8, pDepth->depth);
- }
- break;
- }
- }
-}
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 19:05:34 +0000