From 0a5888393c68f6f7db86206d1f277232db18240b Mon Sep 17 00:00:00 2001 From: marha Date: Fri, 4 Mar 2011 13:54:03 +0000 Subject: xserver xkeyboard-config mesa git update 4 Marc 2011 --- xorg-server/render/mipict.c | 1288 +++++++++++++++++++++---------------------- xorg-server/render/mipict.h | 27 - xorg-server/render/mitrap.c | 110 ---- xorg-server/render/mitri.c | 323 +++++------ 4 files changed, 776 insertions(+), 972 deletions(-) (limited to 'xorg-server/render') 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 -#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 +#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 @@ -145,32 +145,12 @@ miCompositeRects (CARD8 op, 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, @@ -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 -#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 +#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); +} -- cgit v1.2.3