/* * * 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 <dix-config.h> #endif #include <string.h> #include "fb.h" #include "picturestr.h" #include "mipict.h" #include "fbpict.h" 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); } 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 pixman_image_t * image_from_pict_internal (PicturePtr pict, Bool has_clip, int *xoff, int *yoff, Bool is_alpha_map); static void set_image_properties (pixman_image_t *image, PicturePtr pict, Bool has_clip, int *xoff, int *yoff, Bool is_alpha_map) { 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); /* Fetch alpha map unless 'pict' is being used * as the alpha map for this operation */ if (pict->alphaMap && !is_alpha_map) { int alpha_xoff, alpha_yoff; pixman_image_t *alpha_map = image_from_pict_internal (pict->alphaMap, FALSE, &alpha_xoff, &alpha_yoff, TRUE); 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); } static pixman_image_t * image_from_pict_internal (PicturePtr pict, Bool has_clip, int *xoff, int *yoff, Bool is_alpha_map) { 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, is_alpha_map); return image; } pixman_image_t * image_from_pict (PicturePtr pict, Bool has_clip, int *xoff, int *yoff) { return image_from_pict_internal (pict, has_clip, xoff, yoff, FALSE); } 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) { 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; return TRUE; }