diff options
Diffstat (limited to 'xorg-server/render')
-rw-r--r-- | xorg-server/render/mipict.c | 1288 | ||||
-rw-r--r-- | xorg-server/render/mipict.h | 27 | ||||
-rw-r--r-- | xorg-server/render/mitrap.c | 110 | ||||
-rw-r--r-- | xorg-server/render/mitri.c | 323 |
4 files changed, 776 insertions, 972 deletions
diff --git a/xorg-server/render/mipict.c b/xorg-server/render/mipict.c index 56d874e25..3b7388879 100644 --- a/xorg-server/render/mipict.c +++ b/xorg-server/render/mipict.c @@ -1,644 +1,644 @@ -/*
- *
- * Copyright © 1999 Keith Packard
- *
- * 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 Keith Packard not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission. Keith Packard makes no
- * representations about the suitability of this software for any purpose. It
- * is provided "as is" without express or implied warranty.
- *
- * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL KEITH PACKARD 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.
- */
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include "scrnintstr.h"
-#include "gcstruct.h"
-#include "pixmapstr.h"
-#include "windowstr.h"
-#include "mi.h"
-#include "picturestr.h"
-#include "mipict.h"
-
-#ifndef __GNUC__
-#define __inline
-#endif
-
-int
-miCreatePicture (PicturePtr pPicture)
-{
- return Success;
-}
-
-void
-miDestroyPicture (PicturePtr pPicture)
-{
- if (pPicture->freeCompClip)
- RegionDestroy(pPicture->pCompositeClip);
-}
-
-void
-miDestroyPictureClip (PicturePtr pPicture)
-{
- switch (pPicture->clientClipType) {
- case CT_NONE:
- return;
- case CT_PIXMAP:
- (*pPicture->pDrawable->pScreen->DestroyPixmap) ((PixmapPtr) (pPicture->clientClip));
- break;
- default:
- /*
- * we know we'll never have a list of rectangles, since ChangeClip
- * immediately turns them into a region
- */
- RegionDestroy(pPicture->clientClip);
- break;
- }
- pPicture->clientClip = NULL;
- pPicture->clientClipType = CT_NONE;
-}
-
-int
-miChangePictureClip (PicturePtr pPicture,
- int type,
- pointer value,
- int n)
-{
- ScreenPtr pScreen = pPicture->pDrawable->pScreen;
- PictureScreenPtr ps = GetPictureScreen(pScreen);
- pointer clientClip;
- int clientClipType;
-
- switch (type) {
- case CT_PIXMAP:
- /* convert the pixmap to a region */
- clientClip = (pointer) BitmapToRegion(pScreen, (PixmapPtr) value);
- if (!clientClip)
- return BadAlloc;
- clientClipType = CT_REGION;
- (*pScreen->DestroyPixmap) ((PixmapPtr) value);
- break;
- case CT_REGION:
- clientClip = value;
- clientClipType = CT_REGION;
- break;
- case CT_NONE:
- clientClip = 0;
- clientClipType = CT_NONE;
- break;
- default:
- clientClip = (pointer) RegionFromRects(n,
- (xRectangle *) value,
- type);
- if (!clientClip)
- return BadAlloc;
- clientClipType = CT_REGION;
- free(value);
- break;
- }
- (*ps->DestroyPictureClip) (pPicture);
- pPicture->clientClip = clientClip;
- pPicture->clientClipType = clientClipType;
- pPicture->stateChanges |= CPClipMask;
- return Success;
-}
-
-void
-miChangePicture (PicturePtr pPicture,
- Mask mask)
-{
- return;
-}
-
-void
-miValidatePicture (PicturePtr pPicture,
- Mask mask)
-{
- DrawablePtr pDrawable = pPicture->pDrawable;
-
- if ((mask & (CPClipXOrigin|CPClipYOrigin|CPClipMask|CPSubwindowMode)) ||
- (pDrawable->serialNumber != (pPicture->serialNumber & DRAWABLE_SERIAL_BITS)))
- {
- if (pDrawable->type == DRAWABLE_WINDOW)
- {
- WindowPtr pWin = (WindowPtr) pDrawable;
- RegionPtr pregWin;
- Bool freeTmpClip, freeCompClip;
-
- if (pPicture->subWindowMode == IncludeInferiors)
- {
- pregWin = NotClippedByChildren(pWin);
- freeTmpClip = TRUE;
- }
- else
- {
- pregWin = &pWin->clipList;
- freeTmpClip = FALSE;
- }
- freeCompClip = pPicture->freeCompClip;
-
- /*
- * if there is no client clip, we can get by with just keeping the
- * pointer we got, and remembering whether or not should destroy
- * (or maybe re-use) it later. this way, we avoid unnecessary
- * copying of regions. (this wins especially if many clients clip
- * by children and have no client clip.)
- */
- if (pPicture->clientClipType == CT_NONE)
- {
- if (freeCompClip)
- RegionDestroy(pPicture->pCompositeClip);
- pPicture->pCompositeClip = pregWin;
- pPicture->freeCompClip = freeTmpClip;
- }
- else
- {
- /*
- * we need one 'real' region to put into the composite clip. if
- * pregWin the current composite clip are real, we can get rid of
- * one. if pregWin is real and the current composite clip isn't,
- * use pregWin for the composite clip. if the current composite
- * clip is real and pregWin isn't, use the current composite
- * clip. if neither is real, create a new region.
- */
-
- RegionTranslate(pPicture->clientClip,
- pDrawable->x + pPicture->clipOrigin.x,
- pDrawable->y + pPicture->clipOrigin.y);
-
- if (freeCompClip)
- {
- RegionIntersect(pPicture->pCompositeClip,
- pregWin, pPicture->clientClip);
- if (freeTmpClip)
- RegionDestroy(pregWin);
- }
- else if (freeTmpClip)
- {
- RegionIntersect(pregWin, pregWin, pPicture->clientClip);
- pPicture->pCompositeClip = pregWin;
- }
- else
- {
- pPicture->pCompositeClip = RegionCreate(NullBox, 0);
- RegionIntersect(pPicture->pCompositeClip,
- pregWin, pPicture->clientClip);
- }
- pPicture->freeCompClip = TRUE;
- RegionTranslate(pPicture->clientClip,
- -(pDrawable->x + pPicture->clipOrigin.x),
- -(pDrawable->y + pPicture->clipOrigin.y));
- }
- } /* end of composite clip for a window */
- else
- {
- BoxRec pixbounds;
-
- /* XXX should we translate by drawable.x/y here ? */
- /* If you want pixmaps in offscreen memory, yes */
- pixbounds.x1 = pDrawable->x;
- pixbounds.y1 = pDrawable->y;
- pixbounds.x2 = pDrawable->x + pDrawable->width;
- pixbounds.y2 = pDrawable->y + pDrawable->height;
-
- if (pPicture->freeCompClip)
- {
- RegionReset(pPicture->pCompositeClip, &pixbounds);
- }
- else
- {
- pPicture->freeCompClip = TRUE;
- pPicture->pCompositeClip = RegionCreate(&pixbounds, 1);
- }
-
- if (pPicture->clientClipType == CT_REGION)
- {
- if(pDrawable->x || pDrawable->y) {
- RegionTranslate(pPicture->clientClip,
- pDrawable->x + pPicture->clipOrigin.x,
- pDrawable->y + pPicture->clipOrigin.y);
- RegionIntersect(pPicture->pCompositeClip,
- pPicture->pCompositeClip, pPicture->clientClip);
- RegionTranslate(pPicture->clientClip,
- -(pDrawable->x + pPicture->clipOrigin.x),
- -(pDrawable->y + pPicture->clipOrigin.y));
- } else {
- RegionTranslate(pPicture->pCompositeClip,
- -pPicture->clipOrigin.x, -pPicture->clipOrigin.y);
- RegionIntersect(pPicture->pCompositeClip,
- pPicture->pCompositeClip, pPicture->clientClip);
- RegionTranslate(pPicture->pCompositeClip,
- pPicture->clipOrigin.x, pPicture->clipOrigin.y);
- }
- }
- } /* end of composite clip for pixmap */
- }
-}
-
-int
-miChangePictureTransform (PicturePtr pPicture,
- PictTransform *transform)
-{
- return Success;
-}
-
-int
-miChangePictureFilter (PicturePtr pPicture,
- int filter,
- xFixed *params,
- int nparams)
-{
- return Success;
-}
-
-#define BOUND(v) (INT16) ((v) < MINSHORT ? MINSHORT : (v) > MAXSHORT ? MAXSHORT : (v))
-
-static inline pixman_bool_t
-miClipPictureReg (pixman_region16_t * pRegion,
- pixman_region16_t * pClip,
- int dx,
- int dy)
-{
- if (pixman_region_n_rects(pRegion) == 1 &&
- pixman_region_n_rects(pClip) == 1)
- {
- pixman_box16_t * pRbox = pixman_region_rectangles(pRegion, NULL);
- pixman_box16_t * pCbox = pixman_region_rectangles(pClip, NULL);
- int v;
-
- if (pRbox->x1 < (v = pCbox->x1 + dx))
- pRbox->x1 = BOUND(v);
- if (pRbox->x2 > (v = pCbox->x2 + dx))
- pRbox->x2 = BOUND(v);
- if (pRbox->y1 < (v = pCbox->y1 + dy))
- pRbox->y1 = BOUND(v);
- if (pRbox->y2 > (v = pCbox->y2 + dy))
- pRbox->y2 = BOUND(v);
- if (pRbox->x1 >= pRbox->x2 ||
- pRbox->y1 >= pRbox->y2)
- {
- pixman_region_init (pRegion);
- }
- }
- else if (!pixman_region_not_empty (pClip))
- return FALSE;
- else
- {
- if (dx || dy)
- pixman_region_translate (pRegion, -dx, -dy);
- if (!pixman_region_intersect (pRegion, pRegion, pClip))
- return FALSE;
- if (dx || dy)
- pixman_region_translate(pRegion, dx, dy);
- }
- return pixman_region_not_empty(pRegion);
-}
-
-static __inline Bool
-miClipPictureSrc (RegionPtr pRegion,
- PicturePtr pPicture,
- int dx,
- int dy)
-{
- if (pPicture->clientClipType != CT_NONE)
- {
- Bool result;
-
- pixman_region_translate ( pPicture->clientClip,
- pPicture->clipOrigin.x + dx,
- pPicture->clipOrigin.y + dy);
-
- result = RegionIntersect(pRegion, pRegion, pPicture->clientClip);
-
- pixman_region_translate ( pPicture->clientClip,
- - (pPicture->clipOrigin.x + dx),
- - (pPicture->clipOrigin.y + dy));
-
- if (!result)
- return FALSE;
- }
- return TRUE;
-}
-
-void
-miCompositeSourceValidate (PicturePtr pPicture,
- INT16 x,
- INT16 y,
- CARD16 width,
- CARD16 height)
-{
- DrawablePtr pDrawable = pPicture->pDrawable;
- ScreenPtr pScreen;
-
- if (!pDrawable)
- return;
-
- pScreen = pDrawable->pScreen;
-
- if (pScreen->SourceValidate)
- {
- if (pPicture->transform)
- {
- xPoint points[4];
- int i;
- int xmin, ymin, xmax, ymax;
-
-#define VectorSet(i,_x,_y) { points[i].x = _x; points[i].y = _y; }
- VectorSet (0, x, y);
- VectorSet (1, x + width, y);
- VectorSet (2, x, y + height);
- VectorSet (3, x + width, y + height);
- xmin = ymin = 32767;
- xmax = ymax = -32737;
- for (i = 0; i < 4; i++)
- {
- PictVector t;
- t.vector[0] = IntToxFixed (points[i].x);
- t.vector[1] = IntToxFixed (points[i].y);
- t.vector[2] = xFixed1;
- if (pixman_transform_point (pPicture->transform, &t))
- {
- int tx = xFixedToInt (t.vector[0]);
- int ty = xFixedToInt (t.vector[1]);
- if (tx < xmin) xmin = tx;
- if (tx > xmax) xmax = tx;
- if (ty < ymin) ymin = ty;
- if (ty > ymax) ymax = ty;
- }
- }
- x = xmin;
- y = ymin;
- width = xmax - xmin;
- height = ymax - ymin;
- }
- x += pPicture->pDrawable->x;
- y += pPicture->pDrawable->y;
- (*pScreen->SourceValidate) (pDrawable, x, y, width, height,
- pPicture->subWindowMode);
- }
-}
-
-/*
- * returns FALSE if the final region is empty. Indistinguishable from
- * an allocation failure, but rendering ignores those anyways.
- */
-
-Bool
-miComputeCompositeRegion (RegionPtr pRegion,
- PicturePtr pSrc,
- PicturePtr pMask,
- PicturePtr pDst,
- INT16 xSrc,
- INT16 ySrc,
- INT16 xMask,
- INT16 yMask,
- INT16 xDst,
- INT16 yDst,
- CARD16 width,
- CARD16 height)
-{
-
- int v;
-
- pRegion->extents.x1 = xDst;
- v = xDst + width;
- pRegion->extents.x2 = BOUND(v);
- pRegion->extents.y1 = yDst;
- v = yDst + height;
- pRegion->extents.y2 = BOUND(v);
- pRegion->data = 0;
- /* Check for empty operation */
- if (pRegion->extents.x1 >= pRegion->extents.x2 ||
- pRegion->extents.y1 >= pRegion->extents.y2)
- {
- pixman_region_init (pRegion);
- return FALSE;
- }
- /* clip against dst */
- if (!miClipPictureReg (pRegion, pDst->pCompositeClip, 0, 0))
- {
- pixman_region_fini (pRegion);
- return FALSE;
- }
- if (pDst->alphaMap)
- {
- if (!miClipPictureReg (pRegion, pDst->alphaMap->pCompositeClip,
- -pDst->alphaOrigin.x,
- -pDst->alphaOrigin.y))
- {
- pixman_region_fini (pRegion);
- return FALSE;
- }
- }
- /* clip against src */
- if (!miClipPictureSrc (pRegion, pSrc, xDst - xSrc, yDst - ySrc))
- {
- pixman_region_fini (pRegion);
- return FALSE;
- }
- if (pSrc->alphaMap)
- {
- if (!miClipPictureSrc (pRegion, pSrc->alphaMap,
- xDst - (xSrc - pSrc->alphaOrigin.x),
- yDst - (ySrc - pSrc->alphaOrigin.y)))
- {
- pixman_region_fini (pRegion);
- return FALSE;
- }
- }
- /* clip against mask */
- if (pMask)
- {
- if (!miClipPictureSrc (pRegion, pMask, xDst - xMask, yDst - yMask))
- {
- pixman_region_fini (pRegion);
- return FALSE;
- }
- if (pMask->alphaMap)
- {
- if (!miClipPictureSrc (pRegion, pMask->alphaMap,
- xDst - (xMask - pMask->alphaOrigin.x),
- yDst - (yMask - pMask->alphaOrigin.y)))
- {
- pixman_region_fini (pRegion);
- return FALSE;
- }
- }
- }
-
-
- miCompositeSourceValidate (pSrc, xSrc, ySrc, width, height);
- if (pMask)
- miCompositeSourceValidate (pMask, xMask, yMask, width, height);
-
- return TRUE;
-}
-
-void
-miRenderColorToPixel (PictFormatPtr format,
- xRenderColor *color,
- CARD32 *pixel)
-{
- CARD32 r, g, b, a;
- miIndexedPtr pIndexed;
-
- switch (format->type) {
- case PictTypeDirect:
- r = color->red >> (16 - Ones (format->direct.redMask));
- g = color->green >> (16 - Ones (format->direct.greenMask));
- b = color->blue >> (16 - Ones (format->direct.blueMask));
- a = color->alpha >> (16 - Ones (format->direct.alphaMask));
- r = r << format->direct.red;
- g = g << format->direct.green;
- b = b << format->direct.blue;
- a = a << format->direct.alpha;
- *pixel = r|g|b|a;
- break;
- case PictTypeIndexed:
- pIndexed = (miIndexedPtr) (format->index.devPrivate);
- if (pIndexed->color)
- {
- r = color->red >> 11;
- g = color->green >> 11;
- b = color->blue >> 11;
- *pixel = miIndexToEnt15 (pIndexed, (r << 10) | (g << 5) | b);
- }
- else
- {
- r = color->red >> 8;
- g = color->green >> 8;
- b = color->blue >> 8;
- *pixel = miIndexToEntY24 (pIndexed, (r << 16) | (g << 8) | b);
- }
- break;
- }
-}
-
-static CARD16
-miFillColor (CARD32 pixel, int bits)
-{
- while (bits < 16)
- {
- pixel |= pixel << bits;
- bits <<= 1;
- }
- return (CARD16) pixel;
-}
-
-Bool
-miIsSolidAlpha (PicturePtr pSrc)
-{
- ScreenPtr pScreen;
- char line[1];
-
- if (!pSrc->pDrawable)
- return FALSE;
-
- pScreen = pSrc->pDrawable->pScreen;
-
- /* Alpha-only */
- if (PICT_FORMAT_TYPE (pSrc->format) != PICT_TYPE_A)
- return FALSE;
- /* repeat */
- if (!pSrc->repeat)
- return FALSE;
- /* 1x1 */
- if (pSrc->pDrawable->width != 1 || pSrc->pDrawable->height != 1)
- return FALSE;
- line[0] = 1;
- (*pScreen->GetImage) (pSrc->pDrawable, 0, 0, 1, 1, ZPixmap, ~0L, line);
- switch (pSrc->pDrawable->bitsPerPixel) {
- case 1:
- return (CARD8) line[0] == 1 || (CARD8) line[0] == 0x80;
- case 4:
- return (CARD8) line[0] == 0xf || (CARD8) line[0] == 0xf0;
- case 8:
- return (CARD8) line[0] == 0xff;
- default:
- return FALSE;
- }
-}
-
-void
-miRenderPixelToColor (PictFormatPtr format,
- CARD32 pixel,
- xRenderColor *color)
-{
- CARD32 r, g, b, a;
- miIndexedPtr pIndexed;
-
- switch (format->type) {
- case PictTypeDirect:
- r = (pixel >> format->direct.red) & format->direct.redMask;
- g = (pixel >> format->direct.green) & format->direct.greenMask;
- b = (pixel >> format->direct.blue) & format->direct.blueMask;
- a = (pixel >> format->direct.alpha) & format->direct.alphaMask;
- color->red = miFillColor (r, Ones (format->direct.redMask));
- color->green = miFillColor (g, Ones (format->direct.greenMask));
- color->blue = miFillColor (b, Ones (format->direct.blueMask));
- color->alpha = miFillColor (a, Ones (format->direct.alphaMask));
- break;
- case PictTypeIndexed:
- pIndexed = (miIndexedPtr) (format->index.devPrivate);
- pixel = pIndexed->rgba[pixel & (MI_MAX_INDEXED-1)];
- r = (pixel >> 16) & 0xff;
- g = (pixel >> 8) & 0xff;
- b = (pixel ) & 0xff;
- color->red = miFillColor (r, 8);
- color->green = miFillColor (g, 8);
- color->blue = miFillColor (b, 8);
- color->alpha = 0xffff;
- break;
- }
-}
-
-Bool
-miPictureInit (ScreenPtr pScreen, PictFormatPtr formats, int nformats)
-{
- PictureScreenPtr ps;
-
- if (!PictureInit (pScreen, formats, nformats))
- return FALSE;
- ps = GetPictureScreen(pScreen);
- ps->CreatePicture = miCreatePicture;
- ps->DestroyPicture = miDestroyPicture;
- ps->ChangePictureClip = miChangePictureClip;
- ps->DestroyPictureClip = miDestroyPictureClip;
- ps->ChangePicture = miChangePicture;
- ps->ValidatePicture = miValidatePicture;
- ps->InitIndexed = miInitIndexed;
- ps->CloseIndexed = miCloseIndexed;
- ps->UpdateIndexed = miUpdateIndexed;
- ps->ChangePictureTransform = miChangePictureTransform;
- ps->ChangePictureFilter = miChangePictureFilter;
- ps->RealizeGlyph = miRealizeGlyph;
- ps->UnrealizeGlyph = miUnrealizeGlyph;
-
- /* MI rendering routines */
- ps->Composite = 0; /* requires DDX support */
- ps->Glyphs = miGlyphs;
- ps->CompositeRects = miCompositeRects;
- ps->Trapezoids = miTrapezoids;
- ps->Triangles = miTriangles;
- ps->TriStrip = miTriStrip;
- ps->TriFan = miTriFan;
-
- ps->RasterizeTrapezoid = 0; /* requires DDX support */
- ps->AddTraps = 0; /* requires DDX support */
- ps->AddTriangles = 0; /* requires DDX support */
-
- return TRUE;
-}
+/* + * + * Copyright © 1999 Keith Packard + * + * 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 Keith Packard not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Keith Packard makes no + * representations about the suitability of this software for any purpose. It + * is provided "as is" without express or implied warranty. + * + * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL KEITH PACKARD 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. + */ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include "scrnintstr.h" +#include "gcstruct.h" +#include "pixmapstr.h" +#include "windowstr.h" +#include "mi.h" +#include "picturestr.h" +#include "mipict.h" + +#ifndef __GNUC__ +#define __inline +#endif + +int +miCreatePicture (PicturePtr pPicture) +{ + return Success; +} + +void +miDestroyPicture (PicturePtr pPicture) +{ + if (pPicture->freeCompClip) + RegionDestroy(pPicture->pCompositeClip); +} + +void +miDestroyPictureClip (PicturePtr pPicture) +{ + switch (pPicture->clientClipType) { + case CT_NONE: + return; + case CT_PIXMAP: + (*pPicture->pDrawable->pScreen->DestroyPixmap) ((PixmapPtr) (pPicture->clientClip)); + break; + default: + /* + * we know we'll never have a list of rectangles, since ChangeClip + * immediately turns them into a region + */ + RegionDestroy(pPicture->clientClip); + break; + } + pPicture->clientClip = NULL; + pPicture->clientClipType = CT_NONE; +} + +int +miChangePictureClip (PicturePtr pPicture, + int type, + pointer value, + int n) +{ + ScreenPtr pScreen = pPicture->pDrawable->pScreen; + PictureScreenPtr ps = GetPictureScreen(pScreen); + pointer clientClip; + int clientClipType; + + switch (type) { + case CT_PIXMAP: + /* convert the pixmap to a region */ + clientClip = (pointer) BitmapToRegion(pScreen, (PixmapPtr) value); + if (!clientClip) + return BadAlloc; + clientClipType = CT_REGION; + (*pScreen->DestroyPixmap) ((PixmapPtr) value); + break; + case CT_REGION: + clientClip = value; + clientClipType = CT_REGION; + break; + case CT_NONE: + clientClip = 0; + clientClipType = CT_NONE; + break; + default: + clientClip = (pointer) RegionFromRects(n, + (xRectangle *) value, + type); + if (!clientClip) + return BadAlloc; + clientClipType = CT_REGION; + free(value); + break; + } + (*ps->DestroyPictureClip) (pPicture); + pPicture->clientClip = clientClip; + pPicture->clientClipType = clientClipType; + pPicture->stateChanges |= CPClipMask; + return Success; +} + +void +miChangePicture (PicturePtr pPicture, + Mask mask) +{ + return; +} + +void +miValidatePicture (PicturePtr pPicture, + Mask mask) +{ + DrawablePtr pDrawable = pPicture->pDrawable; + + if ((mask & (CPClipXOrigin|CPClipYOrigin|CPClipMask|CPSubwindowMode)) || + (pDrawable->serialNumber != (pPicture->serialNumber & DRAWABLE_SERIAL_BITS))) + { + if (pDrawable->type == DRAWABLE_WINDOW) + { + WindowPtr pWin = (WindowPtr) pDrawable; + RegionPtr pregWin; + Bool freeTmpClip, freeCompClip; + + if (pPicture->subWindowMode == IncludeInferiors) + { + pregWin = NotClippedByChildren(pWin); + freeTmpClip = TRUE; + } + else + { + pregWin = &pWin->clipList; + freeTmpClip = FALSE; + } + freeCompClip = pPicture->freeCompClip; + + /* + * if there is no client clip, we can get by with just keeping the + * pointer we got, and remembering whether or not should destroy + * (or maybe re-use) it later. this way, we avoid unnecessary + * copying of regions. (this wins especially if many clients clip + * by children and have no client clip.) + */ + if (pPicture->clientClipType == CT_NONE) + { + if (freeCompClip) + RegionDestroy(pPicture->pCompositeClip); + pPicture->pCompositeClip = pregWin; + pPicture->freeCompClip = freeTmpClip; + } + else + { + /* + * we need one 'real' region to put into the composite clip. if + * pregWin the current composite clip are real, we can get rid of + * one. if pregWin is real and the current composite clip isn't, + * use pregWin for the composite clip. if the current composite + * clip is real and pregWin isn't, use the current composite + * clip. if neither is real, create a new region. + */ + + RegionTranslate(pPicture->clientClip, + pDrawable->x + pPicture->clipOrigin.x, + pDrawable->y + pPicture->clipOrigin.y); + + if (freeCompClip) + { + RegionIntersect(pPicture->pCompositeClip, + pregWin, pPicture->clientClip); + if (freeTmpClip) + RegionDestroy(pregWin); + } + else if (freeTmpClip) + { + RegionIntersect(pregWin, pregWin, pPicture->clientClip); + pPicture->pCompositeClip = pregWin; + } + else + { + pPicture->pCompositeClip = RegionCreate(NullBox, 0); + RegionIntersect(pPicture->pCompositeClip, + pregWin, pPicture->clientClip); + } + pPicture->freeCompClip = TRUE; + RegionTranslate(pPicture->clientClip, + -(pDrawable->x + pPicture->clipOrigin.x), + -(pDrawable->y + pPicture->clipOrigin.y)); + } + } /* end of composite clip for a window */ + else + { + BoxRec pixbounds; + + /* XXX should we translate by drawable.x/y here ? */ + /* If you want pixmaps in offscreen memory, yes */ + pixbounds.x1 = pDrawable->x; + pixbounds.y1 = pDrawable->y; + pixbounds.x2 = pDrawable->x + pDrawable->width; + pixbounds.y2 = pDrawable->y + pDrawable->height; + + if (pPicture->freeCompClip) + { + RegionReset(pPicture->pCompositeClip, &pixbounds); + } + else + { + pPicture->freeCompClip = TRUE; + pPicture->pCompositeClip = RegionCreate(&pixbounds, 1); + } + + if (pPicture->clientClipType == CT_REGION) + { + if(pDrawable->x || pDrawable->y) { + RegionTranslate(pPicture->clientClip, + pDrawable->x + pPicture->clipOrigin.x, + pDrawable->y + pPicture->clipOrigin.y); + RegionIntersect(pPicture->pCompositeClip, + pPicture->pCompositeClip, pPicture->clientClip); + RegionTranslate(pPicture->clientClip, + -(pDrawable->x + pPicture->clipOrigin.x), + -(pDrawable->y + pPicture->clipOrigin.y)); + } else { + RegionTranslate(pPicture->pCompositeClip, + -pPicture->clipOrigin.x, -pPicture->clipOrigin.y); + RegionIntersect(pPicture->pCompositeClip, + pPicture->pCompositeClip, pPicture->clientClip); + RegionTranslate(pPicture->pCompositeClip, + pPicture->clipOrigin.x, pPicture->clipOrigin.y); + } + } + } /* end of composite clip for pixmap */ + } +} + +int +miChangePictureTransform (PicturePtr pPicture, + PictTransform *transform) +{ + return Success; +} + +int +miChangePictureFilter (PicturePtr pPicture, + int filter, + xFixed *params, + int nparams) +{ + return Success; +} + +#define BOUND(v) (INT16) ((v) < MINSHORT ? MINSHORT : (v) > MAXSHORT ? MAXSHORT : (v)) + +static inline pixman_bool_t +miClipPictureReg (pixman_region16_t * pRegion, + pixman_region16_t * pClip, + int dx, + int dy) +{ + if (pixman_region_n_rects(pRegion) == 1 && + pixman_region_n_rects(pClip) == 1) + { + pixman_box16_t * pRbox = pixman_region_rectangles(pRegion, NULL); + pixman_box16_t * pCbox = pixman_region_rectangles(pClip, NULL); + int v; + + if (pRbox->x1 < (v = pCbox->x1 + dx)) + pRbox->x1 = BOUND(v); + if (pRbox->x2 > (v = pCbox->x2 + dx)) + pRbox->x2 = BOUND(v); + if (pRbox->y1 < (v = pCbox->y1 + dy)) + pRbox->y1 = BOUND(v); + if (pRbox->y2 > (v = pCbox->y2 + dy)) + pRbox->y2 = BOUND(v); + if (pRbox->x1 >= pRbox->x2 || + pRbox->y1 >= pRbox->y2) + { + pixman_region_init (pRegion); + } + } + else if (!pixman_region_not_empty (pClip)) + return FALSE; + else + { + if (dx || dy) + pixman_region_translate (pRegion, -dx, -dy); + if (!pixman_region_intersect (pRegion, pRegion, pClip)) + return FALSE; + if (dx || dy) + pixman_region_translate(pRegion, dx, dy); + } + return pixman_region_not_empty(pRegion); +} + +static __inline Bool +miClipPictureSrc (RegionPtr pRegion, + PicturePtr pPicture, + int dx, + int dy) +{ + if (pPicture->clientClipType != CT_NONE) + { + Bool result; + + pixman_region_translate ( pPicture->clientClip, + pPicture->clipOrigin.x + dx, + pPicture->clipOrigin.y + dy); + + result = RegionIntersect(pRegion, pRegion, pPicture->clientClip); + + pixman_region_translate ( pPicture->clientClip, + - (pPicture->clipOrigin.x + dx), + - (pPicture->clipOrigin.y + dy)); + + if (!result) + return FALSE; + } + return TRUE; +} + +void +miCompositeSourceValidate (PicturePtr pPicture, + INT16 x, + INT16 y, + CARD16 width, + CARD16 height) +{ + DrawablePtr pDrawable = pPicture->pDrawable; + ScreenPtr pScreen; + + if (!pDrawable) + return; + + pScreen = pDrawable->pScreen; + + if (pScreen->SourceValidate) + { + if (pPicture->transform) + { + xPoint points[4]; + int i; + int xmin, ymin, xmax, ymax; + +#define VectorSet(i,_x,_y) { points[i].x = _x; points[i].y = _y; } + VectorSet (0, x, y); + VectorSet (1, x + width, y); + VectorSet (2, x, y + height); + VectorSet (3, x + width, y + height); + xmin = ymin = 32767; + xmax = ymax = -32737; + for (i = 0; i < 4; i++) + { + PictVector t; + t.vector[0] = IntToxFixed (points[i].x); + t.vector[1] = IntToxFixed (points[i].y); + t.vector[2] = xFixed1; + if (pixman_transform_point (pPicture->transform, &t)) + { + int tx = xFixedToInt (t.vector[0]); + int ty = xFixedToInt (t.vector[1]); + if (tx < xmin) xmin = tx; + if (tx > xmax) xmax = tx; + if (ty < ymin) ymin = ty; + if (ty > ymax) ymax = ty; + } + } + x = xmin; + y = ymin; + width = xmax - xmin; + height = ymax - ymin; + } + x += pPicture->pDrawable->x; + y += pPicture->pDrawable->y; + (*pScreen->SourceValidate) (pDrawable, x, y, width, height, + pPicture->subWindowMode); + } +} + +/* + * returns FALSE if the final region is empty. Indistinguishable from + * an allocation failure, but rendering ignores those anyways. + */ + +Bool +miComputeCompositeRegion (RegionPtr pRegion, + PicturePtr pSrc, + PicturePtr pMask, + PicturePtr pDst, + INT16 xSrc, + INT16 ySrc, + INT16 xMask, + INT16 yMask, + INT16 xDst, + INT16 yDst, + CARD16 width, + CARD16 height) +{ + + int v; + + pRegion->extents.x1 = xDst; + v = xDst + width; + pRegion->extents.x2 = BOUND(v); + pRegion->extents.y1 = yDst; + v = yDst + height; + pRegion->extents.y2 = BOUND(v); + pRegion->data = 0; + /* Check for empty operation */ + if (pRegion->extents.x1 >= pRegion->extents.x2 || + pRegion->extents.y1 >= pRegion->extents.y2) + { + pixman_region_init (pRegion); + return FALSE; + } + /* clip against dst */ + if (!miClipPictureReg (pRegion, pDst->pCompositeClip, 0, 0)) + { + pixman_region_fini (pRegion); + return FALSE; + } + if (pDst->alphaMap) + { + if (!miClipPictureReg (pRegion, pDst->alphaMap->pCompositeClip, + -pDst->alphaOrigin.x, + -pDst->alphaOrigin.y)) + { + pixman_region_fini (pRegion); + return FALSE; + } + } + /* clip against src */ + if (!miClipPictureSrc (pRegion, pSrc, xDst - xSrc, yDst - ySrc)) + { + pixman_region_fini (pRegion); + return FALSE; + } + if (pSrc->alphaMap) + { + if (!miClipPictureSrc (pRegion, pSrc->alphaMap, + xDst - (xSrc - pSrc->alphaOrigin.x), + yDst - (ySrc - pSrc->alphaOrigin.y))) + { + pixman_region_fini (pRegion); + return FALSE; + } + } + /* clip against mask */ + if (pMask) + { + if (!miClipPictureSrc (pRegion, pMask, xDst - xMask, yDst - yMask)) + { + pixman_region_fini (pRegion); + return FALSE; + } + if (pMask->alphaMap) + { + if (!miClipPictureSrc (pRegion, pMask->alphaMap, + xDst - (xMask - pMask->alphaOrigin.x), + yDst - (yMask - pMask->alphaOrigin.y))) + { + pixman_region_fini (pRegion); + return FALSE; + } + } + } + + + miCompositeSourceValidate (pSrc, xSrc, ySrc, width, height); + if (pMask) + miCompositeSourceValidate (pMask, xMask, yMask, width, height); + + return TRUE; +} + +void +miRenderColorToPixel (PictFormatPtr format, + xRenderColor *color, + CARD32 *pixel) +{ + CARD32 r, g, b, a; + miIndexedPtr pIndexed; + + switch (format->type) { + case PictTypeDirect: + r = color->red >> (16 - Ones (format->direct.redMask)); + g = color->green >> (16 - Ones (format->direct.greenMask)); + b = color->blue >> (16 - Ones (format->direct.blueMask)); + a = color->alpha >> (16 - Ones (format->direct.alphaMask)); + r = r << format->direct.red; + g = g << format->direct.green; + b = b << format->direct.blue; + a = a << format->direct.alpha; + *pixel = r|g|b|a; + break; + case PictTypeIndexed: + pIndexed = (miIndexedPtr) (format->index.devPrivate); + if (pIndexed->color) + { + r = color->red >> 11; + g = color->green >> 11; + b = color->blue >> 11; + *pixel = miIndexToEnt15 (pIndexed, (r << 10) | (g << 5) | b); + } + else + { + r = color->red >> 8; + g = color->green >> 8; + b = color->blue >> 8; + *pixel = miIndexToEntY24 (pIndexed, (r << 16) | (g << 8) | b); + } + break; + } +} + +static CARD16 +miFillColor (CARD32 pixel, int bits) +{ + while (bits < 16) + { + pixel |= pixel << bits; + bits <<= 1; + } + return (CARD16) pixel; +} + +Bool +miIsSolidAlpha (PicturePtr pSrc) +{ + ScreenPtr pScreen; + char line[1]; + + if (!pSrc->pDrawable) + return FALSE; + + pScreen = pSrc->pDrawable->pScreen; + + /* Alpha-only */ + if (PICT_FORMAT_TYPE (pSrc->format) != PICT_TYPE_A) + return FALSE; + /* repeat */ + if (!pSrc->repeat) + return FALSE; + /* 1x1 */ + if (pSrc->pDrawable->width != 1 || pSrc->pDrawable->height != 1) + return FALSE; + line[0] = 1; + (*pScreen->GetImage) (pSrc->pDrawable, 0, 0, 1, 1, ZPixmap, ~0L, line); + switch (pSrc->pDrawable->bitsPerPixel) { + case 1: + return (CARD8) line[0] == 1 || (CARD8) line[0] == 0x80; + case 4: + return (CARD8) line[0] == 0xf || (CARD8) line[0] == 0xf0; + case 8: + return (CARD8) line[0] == 0xff; + default: + return FALSE; + } +} + +void +miRenderPixelToColor (PictFormatPtr format, + CARD32 pixel, + xRenderColor *color) +{ + CARD32 r, g, b, a; + miIndexedPtr pIndexed; + + switch (format->type) { + case PictTypeDirect: + r = (pixel >> format->direct.red) & format->direct.redMask; + g = (pixel >> format->direct.green) & format->direct.greenMask; + b = (pixel >> format->direct.blue) & format->direct.blueMask; + a = (pixel >> format->direct.alpha) & format->direct.alphaMask; + color->red = miFillColor (r, Ones (format->direct.redMask)); + color->green = miFillColor (g, Ones (format->direct.greenMask)); + color->blue = miFillColor (b, Ones (format->direct.blueMask)); + color->alpha = miFillColor (a, Ones (format->direct.alphaMask)); + break; + case PictTypeIndexed: + pIndexed = (miIndexedPtr) (format->index.devPrivate); + pixel = pIndexed->rgba[pixel & (MI_MAX_INDEXED-1)]; + r = (pixel >> 16) & 0xff; + g = (pixel >> 8) & 0xff; + b = (pixel ) & 0xff; + color->red = miFillColor (r, 8); + color->green = miFillColor (g, 8); + color->blue = miFillColor (b, 8); + color->alpha = 0xffff; + break; + } +} + +Bool +miPictureInit (ScreenPtr pScreen, PictFormatPtr formats, int nformats) +{ + PictureScreenPtr ps; + + if (!PictureInit (pScreen, formats, nformats)) + return FALSE; + ps = GetPictureScreen(pScreen); + ps->CreatePicture = miCreatePicture; + ps->DestroyPicture = miDestroyPicture; + ps->ChangePictureClip = miChangePictureClip; + ps->DestroyPictureClip = miDestroyPictureClip; + ps->ChangePicture = miChangePicture; + ps->ValidatePicture = miValidatePicture; + ps->InitIndexed = miInitIndexed; + ps->CloseIndexed = miCloseIndexed; + ps->UpdateIndexed = miUpdateIndexed; + ps->ChangePictureTransform = miChangePictureTransform; + ps->ChangePictureFilter = miChangePictureFilter; + ps->RealizeGlyph = miRealizeGlyph; + ps->UnrealizeGlyph = miUnrealizeGlyph; + + /* MI rendering routines */ + ps->Composite = 0; /* requires DDX support */ + ps->Glyphs = miGlyphs; + ps->CompositeRects = miCompositeRects; + ps->Trapezoids = 0; + ps->Triangles = 0; + ps->TriStrip = miTriStrip; + ps->TriFan = miTriFan; + + ps->RasterizeTrapezoid = 0; /* requires DDX support */ + ps->AddTraps = 0; /* requires DDX support */ + ps->AddTriangles = 0; /* requires DDX support */ + + return TRUE; +} diff --git a/xorg-server/render/mipict.h b/xorg-server/render/mipict.h index eb6b6645d..d1495891e 100644 --- a/xorg-server/render/mipict.h +++ b/xorg-server/render/mipict.h @@ -146,32 +146,12 @@ extern _X_EXPORT void miTrapezoidBounds (int ntrap, xTrapezoid *traps, BoxPtr box); extern _X_EXPORT void -miTrapezoids (CARD8 op, - PicturePtr pSrc, - PicturePtr pDst, - PictFormatPtr maskFormat, - INT16 xSrc, - INT16 ySrc, - int ntrap, - xTrapezoid *traps); - -extern _X_EXPORT void miPointFixedBounds (int npoint, xPointFixed *points, BoxPtr bounds); extern _X_EXPORT void miTriangleBounds (int ntri, xTriangle *tris, BoxPtr bounds); extern _X_EXPORT void -miTriangles (CARD8 op, - PicturePtr pSrc, - PicturePtr pDst, - PictFormatPtr maskFormat, - INT16 xSrc, - INT16 ySrc, - int ntri, - xTriangle *tris); - -extern _X_EXPORT void miTriStrip (CARD8 op, PicturePtr pSrc, PicturePtr pDst, @@ -191,13 +171,6 @@ miTriFan (CARD8 op, int npoint, xPointFixed *points); -extern _X_EXPORT PicturePtr -miCreateAlphaPicture (ScreenPtr pScreen, - PicturePtr pDst, - PictFormatPtr pPictFormat, - CARD16 width, - CARD16 height); - extern _X_EXPORT Bool miInitIndexed (ScreenPtr pScreen, PictFormatPtr pFormat); diff --git a/xorg-server/render/mitrap.c b/xorg-server/render/mitrap.c index 8bdc8a8d0..445f23630 100644 --- a/xorg-server/render/mitrap.c +++ b/xorg-server/render/mitrap.c @@ -34,55 +34,6 @@ #include "picturestr.h" #include "mipict.h" -PicturePtr -miCreateAlphaPicture (ScreenPtr pScreen, - PicturePtr pDst, - PictFormatPtr pPictFormat, - CARD16 width, - CARD16 height) -{ - PixmapPtr pPixmap; - PicturePtr pPicture; - GCPtr pGC; - int error; - xRectangle rect; - - if (width > 32767 || height > 32767) - return 0; - - if (!pPictFormat) - { - if (pDst->polyEdge == PolyEdgeSharp) - pPictFormat = PictureMatchFormat (pScreen, 1, PICT_a1); - else - pPictFormat = PictureMatchFormat (pScreen, 8, PICT_a8); - if (!pPictFormat) - return 0; - } - - pPixmap = (*pScreen->CreatePixmap) (pScreen, width, height, - pPictFormat->depth, 0); - if (!pPixmap) - return 0; - pGC = GetScratchGC (pPixmap->drawable.depth, pScreen); - if (!pGC) - { - (*pScreen->DestroyPixmap) (pPixmap); - return 0; - } - ValidateGC (&pPixmap->drawable, pGC); - rect.x = 0; - rect.y = 0; - rect.width = width; - rect.height = height; - (*pGC->ops->PolyFillRect)(&pPixmap->drawable, pGC, 1, &rect); - FreeScratchGC (pGC); - pPicture = CreatePicture (0, &pPixmap->drawable, pPictFormat, - 0, 0, serverClient, &error); - (*pScreen->DestroyPixmap) (pPixmap); - return pPicture; -} - static xFixed miLineFixedX (xLineFixed *l, xFixed y, Bool ceil) { @@ -126,64 +77,3 @@ miTrapezoidBounds (int ntrap, xTrapezoid *traps, BoxPtr box) box->x2 = x2; } } - -void -miTrapezoids (CARD8 op, - PicturePtr pSrc, - PicturePtr pDst, - PictFormatPtr maskFormat, - INT16 xSrc, - INT16 ySrc, - int ntrap, - xTrapezoid *traps) -{ - ScreenPtr pScreen = pDst->pDrawable->pScreen; - PictureScreenPtr ps = GetPictureScreen(pScreen); - - /* - * Check for solid alpha add - */ - if (op == PictOpAdd && miIsSolidAlpha (pSrc)) - { - for (; ntrap; ntrap--, traps++) - (*ps->RasterizeTrapezoid) (pDst, traps, 0, 0); - } - else if (maskFormat) - { - PicturePtr pPicture; - BoxRec bounds; - INT16 xDst, yDst; - INT16 xRel, yRel; - - xDst = traps[0].left.p1.x >> 16; - yDst = traps[0].left.p1.y >> 16; - - miTrapezoidBounds (ntrap, traps, &bounds); - if (bounds.y1 >= bounds.y2 || bounds.x1 >= bounds.x2) - return; - pPicture = miCreateAlphaPicture (pScreen, pDst, maskFormat, - bounds.x2 - bounds.x1, - bounds.y2 - bounds.y1); - if (!pPicture) - return; - for (; ntrap; ntrap--, traps++) - (*ps->RasterizeTrapezoid) (pPicture, traps, - -bounds.x1, -bounds.y1); - xRel = bounds.x1 + xSrc - xDst; - yRel = bounds.y1 + ySrc - yDst; - CompositePicture (op, pSrc, pPicture, pDst, - xRel, yRel, 0, 0, bounds.x1, bounds.y1, - bounds.x2 - bounds.x1, - bounds.y2 - bounds.y1); - FreePicture (pPicture, 0); - } - else - { - if (pDst->polyEdge == PolyEdgeSharp) - maskFormat = PictureMatchFormat (pScreen, 1, PICT_a1); - else - maskFormat = PictureMatchFormat (pScreen, 8, PICT_a8); - for (; ntrap; ntrap--, traps++) - miTrapezoids (op, pSrc, pDst, maskFormat, xSrc, ySrc, 1, traps); - } -} diff --git a/xorg-server/render/mitri.c b/xorg-server/render/mitri.c index 3e11cffd9..b258c2156 100644 --- a/xorg-server/render/mitri.c +++ b/xorg-server/render/mitri.c @@ -1,191 +1,132 @@ -/*
- *
- * Copyright © 2002 Keith Packard, member of The XFree86 Project, 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 Keith Packard not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission. Keith Packard makes no
- * representations about the suitability of this software for any purpose. It
- * is provided "as is" without express or implied warranty.
- *
- * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL KEITH PACKARD 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.
- */
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include "scrnintstr.h"
-#include "gcstruct.h"
-#include "pixmapstr.h"
-#include "windowstr.h"
-#include "mi.h"
-#include "picturestr.h"
-#include "mipict.h"
-
-void
-miPointFixedBounds (int npoint, xPointFixed *points, BoxPtr bounds)
-{
- bounds->x1 = xFixedToInt (points->x);
- bounds->x2 = xFixedToInt (xFixedCeil (points->x));
- bounds->y1 = xFixedToInt (points->y);
- bounds->y2 = xFixedToInt (xFixedCeil (points->y));
- points++;
- npoint--;
- while (npoint-- > 0)
- {
- INT16 x1 = xFixedToInt (points->x);
- INT16 x2 = xFixedToInt (xFixedCeil (points->x));
- INT16 y1 = xFixedToInt (points->y);
- INT16 y2 = xFixedToInt (xFixedCeil (points->y));
-
- if (x1 < bounds->x1)
- bounds->x1 = x1;
- else if (x2 > bounds->x2)
- bounds->x2 = x2;
- if (y1 < bounds->y1)
- bounds->y1 = y1;
- else if (y2 > bounds->y2)
- bounds->y2 = y2;
- points++;
- }
-}
-
-void
-miTriangleBounds (int ntri, xTriangle *tris, BoxPtr bounds)
-{
- miPointFixedBounds (ntri * 3, (xPointFixed *) tris, bounds);
-}
-
-void
-miTriangles (CARD8 op,
- PicturePtr pSrc,
- PicturePtr pDst,
- PictFormatPtr maskFormat,
- INT16 xSrc,
- INT16 ySrc,
- int ntri,
- xTriangle *tris)
-{
- ScreenPtr pScreen = pDst->pDrawable->pScreen;
- PictureScreenPtr ps = GetPictureScreen(pScreen);
-
- /*
- * Check for solid alpha add
- */
- if (op == PictOpAdd && miIsSolidAlpha (pSrc))
- {
- (*ps->AddTriangles) (pDst, 0, 0, ntri, tris);
- }
- else if (maskFormat)
- {
- BoxRec bounds;
- PicturePtr pPicture;
- INT16 xDst, yDst;
- INT16 xRel, yRel;
-
- xDst = tris[0].p1.x >> 16;
- yDst = tris[0].p1.y >> 16;
-
- miTriangleBounds (ntri, tris, &bounds);
- if (bounds.x2 <= bounds.x1 || bounds.y2 <= bounds.y1)
- return;
- pPicture = miCreateAlphaPicture (pScreen, pDst, maskFormat,
- bounds.x2 - bounds.x1,
- bounds.y2 - bounds.y1);
- if (!pPicture)
- return;
- (*ps->AddTriangles) (pPicture, -bounds.x1, -bounds.y1, ntri, tris);
-
- xRel = bounds.x1 + xSrc - xDst;
- yRel = bounds.y1 + ySrc - yDst;
- CompositePicture (op, pSrc, pPicture, pDst,
- xRel, yRel, 0, 0, bounds.x1, bounds.y1,
- bounds.x2 - bounds.x1, bounds.y2 - bounds.y1);
- FreePicture (pPicture, 0);
- }
- else
- {
- if (pDst->polyEdge == PolyEdgeSharp)
- maskFormat = PictureMatchFormat (pScreen, 1, PICT_a1);
- else
- maskFormat = PictureMatchFormat (pScreen, 8, PICT_a8);
-
- for (; ntri; ntri--, tris++)
- miTriangles (op, pSrc, pDst, maskFormat, xSrc, ySrc, 1, tris);
- }
-}
-
-void
-miTriStrip (CARD8 op,
- PicturePtr pSrc,
- PicturePtr pDst,
- PictFormatPtr maskFormat,
- INT16 xSrc,
- INT16 ySrc,
- int npoint,
- xPointFixed *points)
-{
- ScreenPtr pScreen = pDst->pDrawable->pScreen;
- PictureScreenPtr ps = GetPictureScreen(pScreen);
- xTriangle *tris, *tri;
- int ntri;
-
- if (npoint < 3)
- return;
- ntri = npoint - 2;
- tris = malloc(ntri * sizeof (xTriangle));
- if (!tris)
- return;
- for (tri = tris; npoint >= 3; npoint--, points++, tri++)
- {
- tri->p1 = points[0];
- tri->p2 = points[1];
- tri->p3 = points[2];
- }
- (*ps->Triangles) (op, pSrc, pDst, maskFormat, xSrc, ySrc, ntri, tris);
- free(tris);
-}
-
-void
-miTriFan (CARD8 op,
- PicturePtr pSrc,
- PicturePtr pDst,
- PictFormatPtr maskFormat,
- INT16 xSrc,
- INT16 ySrc,
- int npoint,
- xPointFixed *points)
-{
- ScreenPtr pScreen = pDst->pDrawable->pScreen;
- PictureScreenPtr ps = GetPictureScreen(pScreen);
- xTriangle *tris, *tri;
- xPointFixed *first;
- int ntri;
-
- if (npoint < 3)
- return;
- ntri = npoint - 2;
- tris = malloc(ntri * sizeof (xTriangle));
- if (!tris)
- return;
- first = points++;
- for (tri = tris; npoint >= 3; npoint--, points++, tri++)
- {
- tri->p1 = *first;
- tri->p2 = points[0];
- tri->p3 = points[1];
- }
- (*ps->Triangles) (op, pSrc, pDst, maskFormat, xSrc, ySrc, ntri, tris);
- free(tris);
-}
+/* + * + * Copyright © 2002 Keith Packard, member of The XFree86 Project, 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 Keith Packard not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Keith Packard makes no + * representations about the suitability of this software for any purpose. It + * is provided "as is" without express or implied warranty. + * + * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL KEITH PACKARD 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. + */ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include "scrnintstr.h" +#include "gcstruct.h" +#include "pixmapstr.h" +#include "windowstr.h" +#include "mi.h" +#include "picturestr.h" +#include "mipict.h" + +void +miPointFixedBounds (int npoint, xPointFixed *points, BoxPtr bounds) +{ + bounds->x1 = xFixedToInt (points->x); + bounds->x2 = xFixedToInt (xFixedCeil (points->x)); + bounds->y1 = xFixedToInt (points->y); + bounds->y2 = xFixedToInt (xFixedCeil (points->y)); + points++; + npoint--; + while (npoint-- > 0) + { + INT16 x1 = xFixedToInt (points->x); + INT16 x2 = xFixedToInt (xFixedCeil (points->x)); + INT16 y1 = xFixedToInt (points->y); + INT16 y2 = xFixedToInt (xFixedCeil (points->y)); + + if (x1 < bounds->x1) + bounds->x1 = x1; + else if (x2 > bounds->x2) + bounds->x2 = x2; + if (y1 < bounds->y1) + bounds->y1 = y1; + else if (y2 > bounds->y2) + bounds->y2 = y2; + points++; + } +} + +void +miTriangleBounds (int ntri, xTriangle *tris, BoxPtr bounds) +{ + miPointFixedBounds (ntri * 3, (xPointFixed *) tris, bounds); +} + +void +miTriStrip (CARD8 op, + PicturePtr pSrc, + PicturePtr pDst, + PictFormatPtr maskFormat, + INT16 xSrc, + INT16 ySrc, + int npoint, + xPointFixed *points) +{ + ScreenPtr pScreen = pDst->pDrawable->pScreen; + PictureScreenPtr ps = GetPictureScreen(pScreen); + xTriangle *tris, *tri; + int ntri; + + if (npoint < 3) + return; + ntri = npoint - 2; + tris = malloc(ntri * sizeof (xTriangle)); + if (!tris) + return; + for (tri = tris; npoint >= 3; npoint--, points++, tri++) + { + tri->p1 = points[0]; + tri->p2 = points[1]; + tri->p3 = points[2]; + } + (*ps->Triangles) (op, pSrc, pDst, maskFormat, xSrc, ySrc, ntri, tris); + free(tris); +} + +void +miTriFan (CARD8 op, + PicturePtr pSrc, + PicturePtr pDst, + PictFormatPtr maskFormat, + INT16 xSrc, + INT16 ySrc, + int npoint, + xPointFixed *points) +{ + ScreenPtr pScreen = pDst->pDrawable->pScreen; + PictureScreenPtr ps = GetPictureScreen(pScreen); + xTriangle *tris, *tri; + xPointFixed *first; + int ntri; + + if (npoint < 3) + return; + ntri = npoint - 2; + tris = malloc(ntri * sizeof (xTriangle)); + if (!tris) + return; + first = points++; + for (tri = tris; npoint >= 3; npoint--, points++, tri++) + { + tri->p1 = *first; + tri->p2 = points[0]; + tri->p3 = points[1]; + } + (*ps->Triangles) (op, pSrc, pDst, maskFormat, xSrc, ySrc, ntri, tris); + free(tris); +} |