From 007385f704a99ab49dab0789f9c330a1a3a455be Mon Sep 17 00:00:00 2001 From: marha Date: Sun, 31 Jan 2010 17:39:18 +0000 Subject: git update 31-1-2010 --- xorg-server/fb/fbpict.c | 983 ++++++++++++++++++++++++------------------------ 1 file changed, 492 insertions(+), 491 deletions(-) (limited to 'xorg-server/fb') diff --git a/xorg-server/fb/fbpict.c b/xorg-server/fb/fbpict.c index 251754b3f..98286e1a3 100644 --- a/xorg-server/fb/fbpict.c +++ b/xorg-server/fb/fbpict.c @@ -1,491 +1,492 @@ -/* - * - * Copyright © 2000 SuSE, Inc. - * Copyright © 2007 Red Hat, Inc. - * - * Permission to use, copy, modify, distribute, and sell this software and its - * documentation for any purpose is hereby granted without fee, provided that - * the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation, and that the name of SuSE not be used in advertising or - * publicity pertaining to distribution of the software without specific, - * written prior permission. SuSE makes no representations about the - * suitability of this software for any purpose. It is provided "as is" - * without express or implied warranty. - * - * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE - * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - * - * Author: Keith Packard, SuSE, Inc. - */ - -#ifdef HAVE_DIX_CONFIG_H -#include -#endif - -#include - -#include "fb.h" - -#ifdef RENDER - -#include "picturestr.h" -#include "mipict.h" -#include "fbpict.h" - -#define mod(a,b) ((b) == 1 ? 0 : (a) >= 0 ? (a) % (b) : (b) - (-a) % (b)) - -void -fbWalkCompositeRegion (CARD8 op, - PicturePtr pSrc, - PicturePtr pMask, - PicturePtr pDst, - INT16 xSrc, - INT16 ySrc, - INT16 xMask, - INT16 yMask, - INT16 xDst, - INT16 yDst, - CARD16 width, - CARD16 height, - Bool srcRepeat, - Bool maskRepeat, - CompositeFunc compositeRect) -{ - RegionRec region; - int n; - BoxPtr pbox; - int w, h, w_this, h_this; - int x_msk, y_msk, x_src, y_src, x_dst, y_dst; - - xDst += pDst->pDrawable->x; - yDst += pDst->pDrawable->y; - if (pSrc->pDrawable) - { - xSrc += pSrc->pDrawable->x; - ySrc += pSrc->pDrawable->y; - } - if (pMask && pMask->pDrawable) - { - xMask += pMask->pDrawable->x; - yMask += pMask->pDrawable->y; - } - - if (!miComputeCompositeRegion (®ion, pSrc, pMask, pDst, xSrc, ySrc, - xMask, yMask, xDst, yDst, width, height)) - return; - - n = REGION_NUM_RECTS (®ion); - pbox = REGION_RECTS (®ion); - while (n--) - { - h = pbox->y2 - pbox->y1; - y_src = pbox->y1 - yDst + ySrc; - y_msk = pbox->y1 - yDst + yMask; - y_dst = pbox->y1; - while (h) - { - h_this = h; - w = pbox->x2 - pbox->x1; - x_src = pbox->x1 - xDst + xSrc; - x_msk = pbox->x1 - xDst + xMask; - x_dst = pbox->x1; - if (maskRepeat) - { - y_msk = mod (y_msk - pMask->pDrawable->y, pMask->pDrawable->height); - if (h_this > pMask->pDrawable->height - y_msk) - h_this = pMask->pDrawable->height - y_msk; - y_msk += pMask->pDrawable->y; - } - if (srcRepeat) - { - y_src = mod (y_src - pSrc->pDrawable->y, pSrc->pDrawable->height); - if (h_this > pSrc->pDrawable->height - y_src) - h_this = pSrc->pDrawable->height - y_src; - y_src += pSrc->pDrawable->y; - } - while (w) - { - w_this = w; - if (maskRepeat) - { - x_msk = mod (x_msk - pMask->pDrawable->x, pMask->pDrawable->width); - if (w_this > pMask->pDrawable->width - x_msk) - w_this = pMask->pDrawable->width - x_msk; - x_msk += pMask->pDrawable->x; - } - if (srcRepeat) - { - x_src = mod (x_src - pSrc->pDrawable->x, pSrc->pDrawable->width); - if (w_this > pSrc->pDrawable->width - x_src) - w_this = pSrc->pDrawable->width - x_src; - x_src += pSrc->pDrawable->x; - } - (*compositeRect) (op, pSrc, pMask, pDst, - x_src, y_src, x_msk, y_msk, x_dst, y_dst, - w_this, h_this); - w -= w_this; - x_src += w_this; - x_msk += w_this; - x_dst += w_this; - } - h -= h_this; - y_src += h_this; - y_msk += h_this; - y_dst += h_this; - } - pbox++; - } - REGION_UNINIT (pDst->pDrawable->pScreen, ®ion); -} - -void -fbComposite (CARD8 op, - PicturePtr pSrc, - PicturePtr pMask, - PicturePtr pDst, - INT16 xSrc, - INT16 ySrc, - INT16 xMask, - INT16 yMask, - INT16 xDst, - INT16 yDst, - CARD16 width, - CARD16 height) -{ - pixman_image_t *src, *mask, *dest; - int src_xoff, src_yoff; - int msk_xoff, msk_yoff; - int dst_xoff, dst_yoff; - - miCompositeSourceValidate (pSrc, xSrc - xDst, ySrc - yDst, width, height); - if (pMask) - miCompositeSourceValidate (pMask, xMask - xDst, yMask - yDst, width, height); - - src = image_from_pict (pSrc, FALSE, &src_xoff, &src_yoff); - mask = image_from_pict (pMask, FALSE, &msk_xoff, &msk_yoff); - dest = image_from_pict (pDst, TRUE, &dst_xoff, &dst_yoff); - - if (src && dest && !(pMask && !mask)) - { - pixman_image_composite (op, src, mask, dest, - xSrc + src_xoff, ySrc + src_yoff, - xMask + msk_xoff, yMask + msk_yoff, - xDst + dst_xoff, yDst + dst_yoff, - width, height); - } - - free_pixman_pict (pSrc, src); - free_pixman_pict (pMask, mask); - free_pixman_pict (pDst, dest); -} - -void -fbCompositeGeneral (CARD8 op, - PicturePtr pSrc, - PicturePtr pMask, - PicturePtr pDst, - INT16 xSrc, - INT16 ySrc, - INT16 xMask, - INT16 yMask, - INT16 xDst, - INT16 yDst, - CARD16 width, - CARD16 height) -{ - fbComposite (op, pSrc, pMask, pDst, - xSrc, ySrc, xMask, yMask, xDst, yDst, - width, height); -} - -#endif /* RENDER */ - -static pixman_image_t * -create_solid_fill_image (PicturePtr pict) -{ - PictSolidFill *solid = &pict->pSourcePict->solidFill; - pixman_color_t color; - CARD32 a, r, g, b; - - a = (solid->color & 0xff000000) >> 24; - r = (solid->color & 0x00ff0000) >> 16; - g = (solid->color & 0x0000ff00) >> 8; - b = (solid->color & 0x000000ff) >> 0; - - color.alpha = (a << 8) | a; - color.red = (r << 8) | r; - color.green = (g << 8) | g; - color.blue = (b << 8) | b; - - return pixman_image_create_solid_fill (&color); -} - -static pixman_image_t * -create_linear_gradient_image (PictGradient *gradient) -{ - PictLinearGradient *linear = (PictLinearGradient *)gradient; - pixman_point_fixed_t p1; - pixman_point_fixed_t p2; - - p1.x = linear->p1.x; - p1.y = linear->p1.y; - p2.x = linear->p2.x; - p2.y = linear->p2.y; - - return pixman_image_create_linear_gradient ( - &p1, &p2, (pixman_gradient_stop_t *)gradient->stops, gradient->nstops); -} - -static pixman_image_t * -create_radial_gradient_image (PictGradient *gradient) -{ - PictRadialGradient *radial = (PictRadialGradient *)gradient; - pixman_point_fixed_t c1; - pixman_point_fixed_t c2; - - c1.x = radial->c1.x; - c1.y = radial->c1.y; - c2.x = radial->c2.x; - c2.y = radial->c2.y; - - return pixman_image_create_radial_gradient ( - &c1, &c2, radial->c1.radius, - radial->c2.radius, - (pixman_gradient_stop_t *)gradient->stops, gradient->nstops); -} - -static pixman_image_t * -create_conical_gradient_image (PictGradient *gradient) -{ - PictConicalGradient *conical = (PictConicalGradient *)gradient; - pixman_point_fixed_t center; - - center.x = conical->center.x; - center.y = conical->center.y; - - return pixman_image_create_conical_gradient ( - ¢er, conical->angle, (pixman_gradient_stop_t *)gradient->stops, - gradient->nstops); -} - -static pixman_image_t * -create_bits_picture (PicturePtr pict, - Bool has_clip, - int *xoff, - int *yoff) -{ - PixmapPtr pixmap; - FbBits *bits; - FbStride stride; - int bpp; - pixman_image_t *image; - - fbGetDrawablePixmap (pict->pDrawable, pixmap, *xoff, *yoff); - fbGetPixmapBitsData(pixmap, bits, stride, bpp); - - image = pixman_image_create_bits ( - pict->format, - pixmap->drawable.width, pixmap->drawable.height, - (uint32_t *)bits, stride * sizeof (FbStride)); - - -#ifdef FB_ACCESS_WRAPPER -#if FB_SHIFT==5 - - pixman_image_set_accessors (image, - (pixman_read_memory_func_t)wfbReadMemory, - (pixman_write_memory_func_t)wfbWriteMemory); - -#else - -#error The pixman library only works when FbBits is 32 bits wide - -#endif -#endif - - /* pCompositeClip is undefined for source pictures, so - * only set the clip region for pictures with drawables - */ - if (has_clip) - { - if (pict->clientClipType != CT_NONE) - pixman_image_set_has_client_clip (image, TRUE); - - if (*xoff || *yoff) - pixman_region_translate (pict->pCompositeClip, *xoff, *yoff); - - pixman_image_set_clip_region (image, pict->pCompositeClip); - - if (*xoff || *yoff) - pixman_region_translate (pict->pCompositeClip, -*xoff, -*yoff); - } - - /* Indexed table */ - if (pict->pFormat->index.devPrivate) - pixman_image_set_indexed (image, pict->pFormat->index.devPrivate); - - /* Add in drawable origin to position within the image */ - *xoff += pict->pDrawable->x; - *yoff += pict->pDrawable->y; - - return image; -} - -static void -set_image_properties (pixman_image_t *image, PicturePtr pict, Bool has_clip, int *xoff, int *yoff) -{ - pixman_repeat_t repeat; - pixman_filter_t filter; - - if (pict->transform) - { - /* For source images, adjust the transform to account - * for the drawable offset within the pixman image, - * then set the offset to 0 as it will be used - * to compute positions within the transformed image. - */ - if (!has_clip) { - struct pixman_transform adjusted; - - adjusted = *pict->transform; - pixman_transform_translate(&adjusted, - NULL, - pixman_int_to_fixed(*xoff), - pixman_int_to_fixed(*yoff)); - pixman_image_set_transform (image, &adjusted); - *xoff = 0; - *yoff = 0; - } else - pixman_image_set_transform (image, pict->transform); - } - - switch (pict->repeatType) - { - default: - case RepeatNone: - repeat = PIXMAN_REPEAT_NONE; - break; - - case RepeatPad: - repeat = PIXMAN_REPEAT_PAD; - break; - - case RepeatNormal: - repeat = PIXMAN_REPEAT_NORMAL; - break; - - case RepeatReflect: - repeat = PIXMAN_REPEAT_REFLECT; - break; - } - - pixman_image_set_repeat (image, repeat); - - if (pict->alphaMap) - { - int alpha_xoff, alpha_yoff; - pixman_image_t *alpha_map = image_from_pict (pict->alphaMap, FALSE, &alpha_xoff, &alpha_yoff); - - pixman_image_set_alpha_map ( - image, alpha_map, pict->alphaOrigin.x, pict->alphaOrigin.y); - - free_pixman_pict (pict->alphaMap, alpha_map); - } - - pixman_image_set_component_alpha (image, pict->componentAlpha); - - switch (pict->filter) - { - default: - case PictFilterNearest: - case PictFilterFast: - filter = PIXMAN_FILTER_NEAREST; - break; - - case PictFilterBilinear: - case PictFilterGood: - filter = PIXMAN_FILTER_BILINEAR; - break; - - case PictFilterConvolution: - filter = PIXMAN_FILTER_CONVOLUTION; - break; - } - - pixman_image_set_filter (image, filter, (pixman_fixed_t *)pict->filter_params, pict->filter_nparams); - pixman_image_set_source_clipping (image, TRUE); -} - -pixman_image_t * -image_from_pict (PicturePtr pict, Bool has_clip, int *xoff, int *yoff) -{ - pixman_image_t *image = NULL; - - if (!pict) - return NULL; - - if (pict->pDrawable) - { - image = create_bits_picture (pict, has_clip, xoff, yoff); - } - else if (pict->pSourcePict) - { - SourcePict *sp = pict->pSourcePict; - - if (sp->type == SourcePictTypeSolidFill) - { - image = create_solid_fill_image (pict); - } - else - { - PictGradient *gradient = &pict->pSourcePict->gradient; - - if (sp->type == SourcePictTypeLinear) - image = create_linear_gradient_image (gradient); - else if (sp->type == SourcePictTypeRadial) - image = create_radial_gradient_image (gradient); - else if (sp->type == SourcePictTypeConical) - image = create_conical_gradient_image (gradient); - } - } - - if (image) - set_image_properties (image, pict, has_clip, xoff, yoff); - - return image; -} - -void -free_pixman_pict (PicturePtr pict, pixman_image_t *image) -{ - if (image && pixman_image_unref (image) && pict->pDrawable) - fbFinishAccess (pict->pDrawable); -} - -Bool -fbPictureInit (ScreenPtr pScreen, PictFormatPtr formats, int nformats) -{ - -#ifdef RENDER - - PictureScreenPtr ps; - - if (!miPictureInit (pScreen, formats, nformats)) - return FALSE; - ps = GetPictureScreen(pScreen); - ps->Composite = fbComposite; - ps->Glyphs = miGlyphs; - ps->CompositeRects = miCompositeRects; - ps->RasterizeTrapezoid = fbRasterizeTrapezoid; - ps->AddTraps = fbAddTraps; - ps->AddTriangles = fbAddTriangles; - -#endif /* RENDER */ - - return TRUE; -} +/* + * + * Copyright © 2000 SuSE, Inc. + * Copyright © 2007 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of SuSE not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. SuSE makes no representations about the + * suitability of this software for any purpose. It is provided "as is" + * without express or implied warranty. + * + * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE + * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Keith Packard, SuSE, Inc. + */ + +#ifdef HAVE_DIX_CONFIG_H +#include +#endif + +#include + +#include "fb.h" + +#ifdef RENDER + +#include "picturestr.h" +#include "mipict.h" +#include "fbpict.h" + +#define mod(a,b) ((b) == 1 ? 0 : (a) >= 0 ? (a) % (b) : (b) - (-a) % (b)) + +void +fbWalkCompositeRegion (CARD8 op, + PicturePtr pSrc, + PicturePtr pMask, + PicturePtr pDst, + INT16 xSrc, + INT16 ySrc, + INT16 xMask, + INT16 yMask, + INT16 xDst, + INT16 yDst, + CARD16 width, + CARD16 height, + Bool srcRepeat, + Bool maskRepeat, + CompositeFunc compositeRect) +{ + RegionRec region; + int n; + BoxPtr pbox; + int w, h, w_this, h_this; + int x_msk, y_msk, x_src, y_src, x_dst, y_dst; + + xDst += pDst->pDrawable->x; + yDst += pDst->pDrawable->y; + if (pSrc->pDrawable) + { + xSrc += pSrc->pDrawable->x; + ySrc += pSrc->pDrawable->y; + } + if (pMask && pMask->pDrawable) + { + xMask += pMask->pDrawable->x; + yMask += pMask->pDrawable->y; + } + + if (!miComputeCompositeRegion (®ion, pSrc, pMask, pDst, xSrc, ySrc, + xMask, yMask, xDst, yDst, width, height)) + return; + + n = REGION_NUM_RECTS (®ion); + pbox = REGION_RECTS (®ion); + while (n--) + { + h = pbox->y2 - pbox->y1; + y_src = pbox->y1 - yDst + ySrc; + y_msk = pbox->y1 - yDst + yMask; + y_dst = pbox->y1; + while (h) + { + h_this = h; + w = pbox->x2 - pbox->x1; + x_src = pbox->x1 - xDst + xSrc; + x_msk = pbox->x1 - xDst + xMask; + x_dst = pbox->x1; + if (maskRepeat) + { + y_msk = mod (y_msk - pMask->pDrawable->y, pMask->pDrawable->height); + if (h_this > pMask->pDrawable->height - y_msk) + h_this = pMask->pDrawable->height - y_msk; + y_msk += pMask->pDrawable->y; + } + if (srcRepeat) + { + y_src = mod (y_src - pSrc->pDrawable->y, pSrc->pDrawable->height); + if (h_this > pSrc->pDrawable->height - y_src) + h_this = pSrc->pDrawable->height - y_src; + y_src += pSrc->pDrawable->y; + } + while (w) + { + w_this = w; + if (maskRepeat) + { + x_msk = mod (x_msk - pMask->pDrawable->x, pMask->pDrawable->width); + if (w_this > pMask->pDrawable->width - x_msk) + w_this = pMask->pDrawable->width - x_msk; + x_msk += pMask->pDrawable->x; + } + if (srcRepeat) + { + x_src = mod (x_src - pSrc->pDrawable->x, pSrc->pDrawable->width); + if (w_this > pSrc->pDrawable->width - x_src) + w_this = pSrc->pDrawable->width - x_src; + x_src += pSrc->pDrawable->x; + } + (*compositeRect) (op, pSrc, pMask, pDst, + x_src, y_src, x_msk, y_msk, x_dst, y_dst, + w_this, h_this); + w -= w_this; + x_src += w_this; + x_msk += w_this; + x_dst += w_this; + } + h -= h_this; + y_src += h_this; + y_msk += h_this; + y_dst += h_this; + } + pbox++; + } + REGION_UNINIT (pDst->pDrawable->pScreen, ®ion); +} + +void +fbComposite (CARD8 op, + PicturePtr pSrc, + PicturePtr pMask, + PicturePtr pDst, + INT16 xSrc, + INT16 ySrc, + INT16 xMask, + INT16 yMask, + INT16 xDst, + INT16 yDst, + CARD16 width, + CARD16 height) +{ + pixman_image_t *src, *mask, *dest; + int src_xoff, src_yoff; + int msk_xoff, msk_yoff; + int dst_xoff, dst_yoff; + + miCompositeSourceValidate (pSrc, xSrc - xDst, ySrc - yDst, width, height); + if (pMask) + miCompositeSourceValidate (pMask, xMask - xDst, yMask - yDst, width, height); + + src = image_from_pict (pSrc, FALSE, &src_xoff, &src_yoff); + mask = image_from_pict (pMask, FALSE, &msk_xoff, &msk_yoff); + dest = image_from_pict (pDst, TRUE, &dst_xoff, &dst_yoff); + + if (src && dest && !(pMask && !mask)) + { + pixman_image_composite (op, src, mask, dest, + xSrc + src_xoff, ySrc + src_yoff, + xMask + msk_xoff, yMask + msk_yoff, + xDst + dst_xoff, yDst + dst_yoff, + width, height); + } + + free_pixman_pict (pSrc, src); + free_pixman_pict (pMask, mask); + free_pixman_pict (pDst, dest); +} + +void +fbCompositeGeneral (CARD8 op, + PicturePtr pSrc, + PicturePtr pMask, + PicturePtr pDst, + INT16 xSrc, + INT16 ySrc, + INT16 xMask, + INT16 yMask, + INT16 xDst, + INT16 yDst, + CARD16 width, + CARD16 height) +{ + fbComposite (op, pSrc, pMask, pDst, + xSrc, ySrc, xMask, yMask, xDst, yDst, + width, height); +} + +#endif /* RENDER */ + +static pixman_image_t * +create_solid_fill_image (PicturePtr pict) +{ + PictSolidFill *solid = &pict->pSourcePict->solidFill; + pixman_color_t color; + CARD32 a, r, g, b; + + a = (solid->color & 0xff000000) >> 24; + r = (solid->color & 0x00ff0000) >> 16; + g = (solid->color & 0x0000ff00) >> 8; + b = (solid->color & 0x000000ff) >> 0; + + color.alpha = (a << 8) | a; + color.red = (r << 8) | r; + color.green = (g << 8) | g; + color.blue = (b << 8) | b; + + return pixman_image_create_solid_fill (&color); +} + +static pixman_image_t * +create_linear_gradient_image (PictGradient *gradient) +{ + PictLinearGradient *linear = (PictLinearGradient *)gradient; + pixman_point_fixed_t p1; + pixman_point_fixed_t p2; + + p1.x = linear->p1.x; + p1.y = linear->p1.y; + p2.x = linear->p2.x; + p2.y = linear->p2.y; + + return pixman_image_create_linear_gradient ( + &p1, &p2, (pixman_gradient_stop_t *)gradient->stops, gradient->nstops); +} + +static pixman_image_t * +create_radial_gradient_image (PictGradient *gradient) +{ + PictRadialGradient *radial = (PictRadialGradient *)gradient; + pixman_point_fixed_t c1; + pixman_point_fixed_t c2; + + c1.x = radial->c1.x; + c1.y = radial->c1.y; + c2.x = radial->c2.x; + c2.y = radial->c2.y; + + return pixman_image_create_radial_gradient ( + &c1, &c2, radial->c1.radius, + radial->c2.radius, + (pixman_gradient_stop_t *)gradient->stops, gradient->nstops); +} + +static pixman_image_t * +create_conical_gradient_image (PictGradient *gradient) +{ + PictConicalGradient *conical = (PictConicalGradient *)gradient; + pixman_point_fixed_t center; + + center.x = conical->center.x; + center.y = conical->center.y; + + return pixman_image_create_conical_gradient ( + ¢er, conical->angle, (pixman_gradient_stop_t *)gradient->stops, + gradient->nstops); +} + +static pixman_image_t * +create_bits_picture (PicturePtr pict, + Bool has_clip, + int *xoff, + int *yoff) +{ + PixmapPtr pixmap; + FbBits *bits; + FbStride stride; + int bpp; + pixman_image_t *image; + + fbGetDrawablePixmap (pict->pDrawable, pixmap, *xoff, *yoff); + fbGetPixmapBitsData(pixmap, bits, stride, bpp); + + image = pixman_image_create_bits ( + pict->format, + pixmap->drawable.width, pixmap->drawable.height, + (uint32_t *)bits, stride * sizeof (FbStride)); + + +#ifdef FB_ACCESS_WRAPPER +#if FB_SHIFT==5 + + pixman_image_set_accessors (image, + (pixman_read_memory_func_t)wfbReadMemory, + (pixman_write_memory_func_t)wfbWriteMemory); + +#else + +#error The pixman library only works when FbBits is 32 bits wide + +#endif +#endif + + /* pCompositeClip is undefined for source pictures, so + * only set the clip region for pictures with drawables + */ + if (has_clip) + { + if (pict->clientClipType != CT_NONE) + pixman_image_set_has_client_clip (image, TRUE); + + if (*xoff || *yoff) + pixman_region_translate (pict->pCompositeClip, *xoff, *yoff); + + pixman_image_set_clip_region (image, pict->pCompositeClip); + + if (*xoff || *yoff) + pixman_region_translate (pict->pCompositeClip, -*xoff, -*yoff); + } + + /* Indexed table */ + if (pict->pFormat->index.devPrivate) + pixman_image_set_indexed (image, pict->pFormat->index.devPrivate); + + /* Add in drawable origin to position within the image */ + *xoff += pict->pDrawable->x; + *yoff += pict->pDrawable->y; + + return image; +} + +static void +set_image_properties (pixman_image_t *image, PicturePtr pict, Bool has_clip, int *xoff, int *yoff) +{ + pixman_repeat_t repeat; + pixman_filter_t filter; + + if (pict->transform) + { + /* For source images, adjust the transform to account + * for the drawable offset within the pixman image, + * then set the offset to 0 as it will be used + * to compute positions within the transformed image. + */ + if (!has_clip) { + struct pixman_transform adjusted; + + adjusted = *pict->transform; + pixman_transform_translate(&adjusted, + NULL, + pixman_int_to_fixed(*xoff), + pixman_int_to_fixed(*yoff)); + pixman_image_set_transform (image, &adjusted); + *xoff = 0; + *yoff = 0; + } else + pixman_image_set_transform (image, pict->transform); + } + + switch (pict->repeatType) + { + default: + case RepeatNone: + repeat = PIXMAN_REPEAT_NONE; + break; + + case RepeatPad: + repeat = PIXMAN_REPEAT_PAD; + break; + + case RepeatNormal: + repeat = PIXMAN_REPEAT_NORMAL; + break; + + case RepeatReflect: + repeat = PIXMAN_REPEAT_REFLECT; + break; + } + + pixman_image_set_repeat (image, repeat); + + if (pict->alphaMap) + { + int alpha_xoff, alpha_yoff; + pixman_image_t *alpha_map = image_from_pict (pict->alphaMap, FALSE, &alpha_xoff, &alpha_yoff); + + pixman_image_set_alpha_map ( + image, alpha_map, pict->alphaOrigin.x, pict->alphaOrigin.y); + + free_pixman_pict (pict->alphaMap, alpha_map); + } + + pixman_image_set_component_alpha (image, pict->componentAlpha); + + switch (pict->filter) + { + default: + case PictFilterNearest: + case PictFilterFast: + filter = PIXMAN_FILTER_NEAREST; + break; + + case PictFilterBilinear: + case PictFilterGood: + filter = PIXMAN_FILTER_BILINEAR; + break; + + case PictFilterConvolution: + filter = PIXMAN_FILTER_CONVOLUTION; + break; + } + + pixman_image_set_filter (image, filter, (pixman_fixed_t *)pict->filter_params, pict->filter_nparams); + pixman_image_set_source_clipping (image, TRUE); +} + +pixman_image_t * +image_from_pict (PicturePtr pict, Bool has_clip, int *xoff, int *yoff) +{ + pixman_image_t *image = NULL; + + if (!pict) + return NULL; + + if (pict->pDrawable) + { + image = create_bits_picture (pict, has_clip, xoff, yoff); + } + else if (pict->pSourcePict) + { + SourcePict *sp = pict->pSourcePict; + + if (sp->type == SourcePictTypeSolidFill) + { + image = create_solid_fill_image (pict); + } + else + { + PictGradient *gradient = &pict->pSourcePict->gradient; + + if (sp->type == SourcePictTypeLinear) + image = create_linear_gradient_image (gradient); + else if (sp->type == SourcePictTypeRadial) + image = create_radial_gradient_image (gradient); + else if (sp->type == SourcePictTypeConical) + image = create_conical_gradient_image (gradient); + } + *xoff = *yoff = 0; + } + + if (image) + set_image_properties (image, pict, has_clip, xoff, yoff); + + return image; +} + +void +free_pixman_pict (PicturePtr pict, pixman_image_t *image) +{ + if (image && pixman_image_unref (image) && pict->pDrawable) + fbFinishAccess (pict->pDrawable); +} + +Bool +fbPictureInit (ScreenPtr pScreen, PictFormatPtr formats, int nformats) +{ + +#ifdef RENDER + + PictureScreenPtr ps; + + if (!miPictureInit (pScreen, formats, nformats)) + return FALSE; + ps = GetPictureScreen(pScreen); + ps->Composite = fbComposite; + ps->Glyphs = miGlyphs; + ps->CompositeRects = miCompositeRects; + ps->RasterizeTrapezoid = fbRasterizeTrapezoid; + ps->AddTraps = fbAddTraps; + ps->AddTriangles = fbAddTriangles; + +#endif /* RENDER */ + + return TRUE; +} -- cgit v1.2.3