/* cairo - a vector graphics library with display and print output * * Copyright © 2003 University of Southern California * * This library is free software; you can redistribute it and/or * modify it either under the terms of the GNU Lesser General Public * License version 2.1 as published by the Free Software Foundation * (the "LGPL") or, at your option, under the terms of the Mozilla * Public License Version 1.1 (the "MPL"). If you do not alter this * notice, a recipient may use your version of this file under either * the MPL or the LGPL. * * You should have received a copy of the LGPL along with this library * in the file COPYING-LGPL-2.1; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * You should have received a copy of the MPL along with this library * in the file COPYING-MPL-1.1 * * The contents of this file are subject to the Mozilla Public License * Version 1.1 (the "License"); you may not use this file except in * compliance with the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY * OF ANY KIND, either express or implied. See the LGPL or the MPL for * the specific language governing rights and limitations. * * The Original Code is the cairo graphics library. * * The Initial Developer of the Original Code is University of Southern * California. * * Contributor(s): * Michael Emmel * Claudio Ciccani */ #include "cairoint.h" #include "cairo-directfb.h" #include #include #include #include #include #include "cairo-clip-private.h" /* * Rectangle works fine. * Bugs 361377, 359553, 359243 in Gnome BTS are caused * by GDK/DirectFB, not by Cairo/DirectFB. */ #define DFB_RECTANGLES 1 /* * Composite works fine. */ #define DFB_COMPOSITE 1 /* * CompositeTrapezoids works (without antialiasing). */ #define DFB_COMPOSITE_TRAPEZOIDS 1 /* * ShowGlyphs works fine. */ #define DFB_SHOW_GLYPHS 1 D_DEBUG_DOMAIN (CairoDFB_Acquire, "CairoDFB/Acquire", "Cairo DirectFB Acquire"); D_DEBUG_DOMAIN (CairoDFB_Clip, "CairoDFB/Clip", "Cairo DirectFB Clipping"); D_DEBUG_DOMAIN (CairoDFB_Font, "CairoDFB/Font", "Cairo DirectFB Font Rendering"); D_DEBUG_DOMAIN (CairoDFB_Render, "CairoDFB/Render", "Cairo DirectFB Rendering"); D_DEBUG_DOMAIN (CairoDFB_Surface, "CairoDFB/Surface", "Cairo DirectFB Surface"); /*****************************************************************************/ typedef struct _cairo_directfb_surface { cairo_surface_t base; cairo_format_t format; cairo_content_t content; IDirectFB *dfb; IDirectFBSurface *dfbsurface; IDirectFBSurface *tmpsurface; cairo_bool_t has_clip; DFBRegion *clips; int n_clips; int width; int height; unsigned local : 1; unsigned blit_premultiplied : 1; } cairo_directfb_surface_t; typedef struct _cairo_directfb_font_cache { IDirectFB *dfb; IDirectFBSurface *dfbsurface; int width; int height; /* coordinates within the surface * of the last loaded glyph */ int x; int y; } cairo_directfb_font_cache_t; static cairo_surface_backend_t _cairo_directfb_surface_backend; /*****************************************************************************/ static int _directfb_argb_font = 0; /*****************************************************************************/ #define RUN_CLIPPED(surface, clip, func) {\ if ((surface)->has_clip) {\ int k;\ for (k = 0; k < (surface)->n_clips; k++) {\ if (clip) {\ DFBRegion reg = (surface)->clips[k];\ DFBRegion *cli = (clip);\ if (reg.x2 < cli->x1 || reg.y2 < cli->y1 ||\ reg.x1 > cli->x2 || reg.y1 > cli->y2)\ continue;\ if (reg.x1 < cli->x1)\ reg.x1 = cli->x1;\ if (reg.y1 < cli->y1)\ reg.y1 = cli->y1;\ if (reg.x2 > cli->x2)\ reg.x2 = cli->x2;\ if (reg.y2 > cli->y2)\ reg.y2 = cli->y2;\ (surface)->dfbsurface->SetClip ((surface)->dfbsurface, ®);\ } else {\ (surface)->dfbsurface->SetClip ((surface)->dfbsurface,\ &(surface)->clips[k]);\ }\ func;\ }\ } else {\ (surface)->dfbsurface->SetClip ((surface)->dfbsurface, clip);\ func;\ }\ } #define TRANSFORM_POINT2X(m, x, y, ret_x, ret_y) {\ double _x = (x);\ double _y = (y);\ (ret_x) = (_x * (m).xx + (m).x0);\ (ret_y) = (_y * (m).yy + (m).y0);\ } #define TRANSFORM_POINT3X(m, x, y, ret_x, ret_y) {\ double _x = (x);\ double _y = (y);\ (ret_x) = (_x * (m).xx + _y * (m).xy + (m).x0);\ (ret_y) = (_x * (m).yx + _y * (m).yy + (m).y0);\ } /* XXX: A1 has a different bits ordering in cairo. * Probably we should drop it. */ static cairo_content_t _directfb_format_to_content (DFBSurfacePixelFormat format) { if (DFB_PIXELFORMAT_HAS_ALPHA (format)) { if (DFB_COLOR_BITS_PER_PIXEL (format)) return CAIRO_CONTENT_COLOR_ALPHA; return CAIRO_CONTENT_ALPHA; } return CAIRO_CONTENT_COLOR; } static inline DFBSurfacePixelFormat _cairo_to_directfb_format (cairo_format_t format) { switch (format) { case CAIRO_FORMAT_RGB24: return DSPF_RGB32; case CAIRO_FORMAT_ARGB32: return DSPF_ARGB; case CAIRO_FORMAT_A8: return DSPF_A8; case CAIRO_FORMAT_A1: return DSPF_A1; default: break; } return -1; } static inline cairo_format_t _directfb_to_cairo_format (DFBSurfacePixelFormat format) { switch (format) { case DSPF_RGB32: return CAIRO_FORMAT_RGB24; case DSPF_ARGB: return CAIRO_FORMAT_ARGB32; case DSPF_A8: return CAIRO_FORMAT_A8; case DSPF_A1: return CAIRO_FORMAT_A1; default: break; } return -1; } static cairo_bool_t _directfb_get_operator (cairo_operator_t operator, DFBSurfaceBlendFunction *ret_srcblend, DFBSurfaceBlendFunction *ret_dstblend) { DFBSurfaceBlendFunction srcblend = DSBF_ONE; DFBSurfaceBlendFunction dstblend = DSBF_ZERO; switch (operator) { case CAIRO_OPERATOR_CLEAR: srcblend = DSBF_ZERO; dstblend = DSBF_ZERO; break; case CAIRO_OPERATOR_SOURCE: srcblend = DSBF_ONE; dstblend = DSBF_ZERO; break; case CAIRO_OPERATOR_OVER: srcblend = DSBF_ONE; dstblend = DSBF_INVSRCALPHA; break; case CAIRO_OPERATOR_IN: srcblend = DSBF_DESTALPHA; dstblend = DSBF_ZERO; break; case CAIRO_OPERATOR_OUT: srcblend = DSBF_INVDESTALPHA; dstblend = DSBF_ZERO; break; case CAIRO_OPERATOR_ATOP: srcblend = DSBF_DESTALPHA; dstblend = DSBF_INVSRCALPHA; break; case CAIRO_OPERATOR_DEST: srcblend = DSBF_ZERO; dstblend = DSBF_ONE; break; case CAIRO_OPERATOR_DEST_OVER: srcblend = DSBF_INVDESTALPHA; dstblend = DSBF_ONE; break; case CAIRO_OPERATOR_DEST_IN: srcblend = DSBF_ZERO; dstblend = DSBF_SRCALPHA; break; case CAIRO_OPERATOR_DEST_OUT: srcblend = DSBF_ZERO; dstblend = DSBF_INVSRCALPHA; break; case CAIRO_OPERATOR_DEST_ATOP: srcblend = DSBF_INVDESTALPHA; dstblend = DSBF_SRCALPHA; break; case CAIRO_OPERATOR_XOR: srcblend = DSBF_INVDESTALPHA; dstblend = DSBF_INVSRCALPHA; break; case CAIRO_OPERATOR_ADD: srcblend = DSBF_ONE; dstblend = DSBF_ONE; break; case CAIRO_OPERATOR_SATURATE: /* XXX This does not work. */ #if 0 srcblend = DSBF_SRCALPHASAT; dstblend = DSBF_ONE; break; #endif default: return FALSE; } *ret_srcblend = srcblend; *ret_dstblend = dstblend; return TRUE; } static cairo_status_t _directfb_buffer_surface_create (IDirectFB *dfb, DFBSurfacePixelFormat format, int width, int height, IDirectFBSurface **out) { IDirectFBSurface *buffer; DFBSurfaceDescription dsc; DFBResult ret; dsc.flags = DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_PIXELFORMAT; dsc.caps = DSCAPS_PREMULTIPLIED; dsc.width = width; dsc.height = height; dsc.pixelformat = format; ret = dfb->CreateSurface (dfb, &dsc, &buffer); if (ret) { DirectFBError ("IDirectFB::CreateSurface()", ret); return _cairo_error (CAIRO_STATUS_NO_MEMORY); } *out = buffer; return CAIRO_STATUS_SUCCESS; } static cairo_status_t _directfb_acquire_surface (cairo_directfb_surface_t *surface, cairo_rectangle_int_t *intrest_rec, cairo_image_surface_t **image_out, cairo_rectangle_int_t *image_rect_out, void **image_extra, DFBSurfaceLockFlags lock_flags) { IDirectFBSurface *buffer = NULL; DFBRectangle source_rect; cairo_surface_t *image; cairo_format_t cairo_format; cairo_status_t status; void *data; int pitch; if (surface->format == (cairo_format_t) -1 || (lock_flags & DSLF_WRITE && surface->has_clip)) { DFBSurfaceCapabilities caps; if (intrest_rec) { source_rect.x = intrest_rec->x; source_rect.y = intrest_rec->y; source_rect.w = intrest_rec->width; source_rect.h = intrest_rec->height; } else { source_rect.x = 0; source_rect.y = 0; surface->dfbsurface->GetSize (surface->dfbsurface, &source_rect.w, &source_rect.h); } if (surface->tmpsurface) { int w, h; surface->tmpsurface->GetSize (surface->tmpsurface, &w, &h); if (w < source_rect.w || h < source_rect.h) { surface->tmpsurface->Release (surface->tmpsurface); surface->tmpsurface = NULL; } } cairo_format = _cairo_format_from_content (surface->content); if (!surface->tmpsurface) { D_DEBUG_AT (CairoDFB_Acquire, "Allocating buffer for surface %p.\n", surface); status = _directfb_buffer_surface_create (surface->dfb, _cairo_to_directfb_format (cairo_format), source_rect.w, source_rect.h, &surface->tmpsurface); if (status) goto ERROR; } buffer = surface->tmpsurface; /* surface->dfbsurface->GetCapabilities (surface->dfbsurface, &caps); if (caps & DSCAPS_FLIPPING) { DFBRegion region = { .x1 = source_rect.x, .y1 = source_rect.y, .x2 = source_rect.x + source_rect.w - 1, .y2 = source_rect.y + source_rect.h - 1 }; surface->dfbsurface->Flip (surface->dfbsurface, ®ion, DSFLIP_BLIT); } */ buffer->Blit (buffer, surface->dfbsurface, &source_rect, 0, 0); } else { /*might be a subsurface get the offset*/ surface->dfbsurface->GetVisibleRectangle (surface->dfbsurface, &source_rect); cairo_format = surface->format; buffer = surface->dfbsurface; } if (buffer->Lock (buffer, lock_flags, &data, &pitch)) { D_DEBUG_AT (CairoDFB_Acquire, "Couldn't lock surface!\n"); status = _cairo_error (CAIRO_STATUS_NO_MEMORY); goto ERROR; } image = cairo_image_surface_create_for_data (data, cairo_format, source_rect.w, source_rect.h, pitch); status = image->status; if (status) goto ERROR; if (image_rect_out) { image_rect_out->x = source_rect.x; image_rect_out->y = source_rect.y; image_rect_out->width = source_rect.w; image_rect_out->height = source_rect.h; } else { /* lock for read */ /* might be a subsurface */ if (buffer == surface->dfbsurface) { cairo_surface_set_device_offset (image, source_rect.x, source_rect.y); } } *image_extra = buffer; *image_out = (cairo_image_surface_t *) image; return CAIRO_STATUS_SUCCESS; ERROR: if (buffer) { buffer->Unlock (buffer); if (buffer != surface->dfbsurface) buffer->Release (buffer); } return status; } static cairo_surface_t * _cairo_directfb_surface_create_similar (void *abstract_src, cairo_content_t content, int width, int height) { cairo_directfb_surface_t *source = abstract_src; cairo_directfb_surface_t *surface; cairo_format_t format; cairo_status_t status; D_DEBUG_AT (CairoDFB_Surface, "%s( src=%p, content=0x%x, width=%d, height=%d).\n", __FUNCTION__, source, content, width, height); width = (width <= 0) ? 1 : width; height = (height<= 0) ? 1 : height; format = _cairo_format_from_content (content); surface = calloc (1, sizeof (cairo_directfb_surface_t)); if (surface == NULL) return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY)); surface->dfb = source->dfb; if (width < 8 || height < 8) { IDirectFBSurface *tmp; DFBRectangle rect = { .x=0, .y=0, .w=width, .h=height }; /* Some cards (e.g. Matrox) don't support surfaces smaller than 8x8 */ status = _directfb_buffer_surface_create (surface->dfb, _cairo_to_directfb_format (format), MAX (width, 8), MAX (height, 8), &tmp); if (status) { free (surface); return _cairo_surface_create_in_error (status); } tmp->GetSubSurface (tmp, &rect, &surface->dfbsurface); tmp->Release (tmp); } else { status = _directfb_buffer_surface_create (surface->dfb, _cairo_to_directfb_format (format), width, height, &surface->dfbsurface); if (status) { free (surface); return _cairo_surface_create_in_error (status); } } _cairo_surface_init (&surface->base, &_cairo_directfb_surface_backend, content); surface->format = format; surface->content = content; surface->width = width; surface->height = height; surface->local = TRUE; surface->blit_premultiplied = TRUE; return &surface->base; } static cairo_status_t _cairo_directfb_surface_finish (void *data) { cairo_directfb_surface_t *surface = (cairo_directfb_surface_t *)data; D_DEBUG_AT (CairoDFB_Surface, "%s( surface=%p ).\n", __FUNCTION__, surface); if (surface->clips) { free (surface->clips); surface->clips = NULL; surface->n_clips = 0; } if (surface->tmpsurface) { surface->tmpsurface->Release (surface->tmpsurface); surface->tmpsurface = NULL; } if (surface->dfbsurface) { surface->dfbsurface->Release (surface->dfbsurface); surface->dfbsurface = NULL; } if (surface->dfb) surface->dfb = NULL; return CAIRO_STATUS_SUCCESS; } static cairo_status_t _cairo_directfb_surface_acquire_source_image (void *abstract_surface, cairo_image_surface_t **image_out, void **image_extra) { cairo_directfb_surface_t *surface = abstract_surface; D_DEBUG_AT (CairoDFB_Acquire, "%s( surface=%p ).\n", __FUNCTION__, surface); return _directfb_acquire_surface (surface, NULL, image_out, NULL, image_extra, DSLF_READ); } static void _cairo_directfb_surface_release_source_image (void *abstract_surface, cairo_image_surface_t *image, void *image_extra) { cairo_directfb_surface_t *surface = abstract_surface; IDirectFBSurface *buffer = image_extra; D_DEBUG_AT (CairoDFB_Acquire, "%s( surface=%p ).\n", __FUNCTION__, surface); buffer->Unlock (buffer); cairo_surface_destroy (&image->base); } static cairo_status_t _cairo_directfb_surface_acquire_dest_image (void *abstract_surface, cairo_rectangle_int_t *interest_rect, cairo_image_surface_t **image_out, cairo_rectangle_int_t *image_rect_out, void **image_extra) { cairo_directfb_surface_t *surface = abstract_surface; D_DEBUG_AT (CairoDFB_Acquire, "%s( surface=%p (%dx%d), interest_rect={ %u %u %u %u } ).\n", __FUNCTION__, surface, surface->width, surface->height, interest_rect ? interest_rect->x : 0, interest_rect ? interest_rect->y : 0, interest_rect ? interest_rect->width : (unsigned) surface->width, interest_rect ? interest_rect->height : (unsigned) surface->height); return _directfb_acquire_surface (surface, interest_rect, image_out, image_rect_out, image_extra, DSLF_READ | DSLF_WRITE); } static void _cairo_directfb_surface_release_dest_image (void *abstract_surface, cairo_rectangle_int_t *interest_rect, cairo_image_surface_t *image, cairo_rectangle_int_t *image_rect, void *image_extra) { cairo_directfb_surface_t *surface = abstract_surface; IDirectFBSurface *buffer = image_extra; D_DEBUG_AT (CairoDFB_Acquire, "%s( surface=%p ).\n", __FUNCTION__, surface); buffer->Unlock (buffer); if (surface->dfbsurface != buffer) { DFBRegion region = { .x1 = interest_rect->x, .y1 = interest_rect->y, .x2 = interest_rect->x + interest_rect->width - 1, .y2 = interest_rect->y + interest_rect->height - 1 }; surface->dfbsurface->SetBlittingFlags (surface->dfbsurface, DSBLIT_NOFX); RUN_CLIPPED (surface, ®ion, surface->dfbsurface->Blit (surface->dfbsurface, buffer, NULL, image_rect->x, image_rect->y)); } cairo_surface_destroy (&image->base); } static cairo_status_t _cairo_directfb_surface_clone_similar (void *abstract_surface, cairo_surface_t *src, int src_x, int src_y, int width, int height, int *clone_offset_x, int *clone_offset_y, cairo_surface_t **clone_out) { cairo_directfb_surface_t *surface = abstract_surface; cairo_directfb_surface_t *clone; D_DEBUG_AT (CairoDFB_Surface, "%s( surface=%p, src=%p ).\n", __FUNCTION__, surface, src); if (src->backend == surface->base.backend) { *clone_offset_x = 0; *clone_offset_y = 0; *clone_out = cairo_surface_reference (src); return CAIRO_STATUS_SUCCESS; } else if (_cairo_surface_is_image (src)) { cairo_image_surface_t *image_src = (cairo_image_surface_t *) src; unsigned char *dst, *src = image_src->data; int pitch; int i, j; DFBResult ret; clone = (cairo_directfb_surface_t *) _cairo_directfb_surface_create_similar (surface, _cairo_content_from_format (image_src->format), width, height); if (clone == NULL) return CAIRO_INT_STATUS_UNSUPPORTED; if (clone->base.status) return clone->base.status; ret = clone->dfbsurface->Lock (clone->dfbsurface, DSLF_WRITE, (void *)&dst, &pitch); if (ret) { DirectFBError ("IDirectFBSurface::Lock()", ret); cairo_surface_destroy (&clone->base); return _cairo_error (CAIRO_STATUS_NO_MEMORY); } src += image_src->stride * src_y; if (image_src->format == CAIRO_FORMAT_A1) { /* A1 -> A8 */ dst -= src_x; for (i = 0; i < height; i++) { for (j = src_x; j < src_x + width; j++) dst[j] = (src[j>>3] & (1 << (j&7))) ? 0xff : 0x00; dst += pitch; src += image_src->stride; } } else { int len; if (image_src->format == CAIRO_FORMAT_A8) { src += src_x; len = width; } else { src += src_x * 4; len = width * 4; } for (i = 0; i < height; i++) { direct_memcpy (dst, src, len); dst += pitch; src += image_src->stride; } } clone->dfbsurface->Unlock (clone->dfbsurface); *clone_offset_x = src_x; *clone_offset_y = src_y; *clone_out = &clone->base; return CAIRO_STATUS_SUCCESS; } return CAIRO_INT_STATUS_UNSUPPORTED; } #if DFB_COMPOSITE || DFB_COMPOSITE_TRAPEZOIDS static cairo_int_status_t _directfb_prepare_composite (cairo_directfb_surface_t *dst, cairo_pattern_t *src_pattern, cairo_pattern_t *mask_pattern, cairo_operator_t op, int *src_x, int *src_y, int *mask_x, int *mask_y, unsigned int width, unsigned int height, cairo_directfb_surface_t **ret_src, cairo_surface_attributes_t *ret_src_attr) { cairo_directfb_surface_t *src; cairo_surface_attributes_t src_attr; cairo_status_t status; DFBSurfaceBlittingFlags flags; DFBSurfaceBlendFunction sblend; DFBSurfaceBlendFunction dblend; const cairo_color_t *color; /* XXX Unbounded operators are not handled correctly */ if (! _cairo_operator_bounded_by_source (op)) return CAIRO_INT_STATUS_UNSUPPORTED; if (! _directfb_get_operator (op, &sblend, &dblend)) return CAIRO_INT_STATUS_UNSUPPORTED; if (mask_pattern) { cairo_solid_pattern_t *pattern; return CAIRO_INT_STATUS_UNSUPPORTED; if (mask_pattern->type != CAIRO_PATTERN_TYPE_SOLID) { cairo_pattern_t *tmp; int tmp_x, tmp_y; if (src_pattern->type != CAIRO_PATTERN_TYPE_SOLID || sblend == DSBF_INVDESTALPHA) /* Doesn't work correctly */ return CAIRO_INT_STATUS_UNSUPPORTED; D_DEBUG_AT (CairoDFB_Render, "Replacing src pattern by mask pattern.\n"); tmp = src_pattern; tmp_x = *src_x; tmp_y = *src_y; src_pattern = mask_pattern; *src_x = *mask_x; *src_y = *mask_y; mask_pattern = tmp; *mask_x = tmp_x; *mask_y = tmp_y; if (sblend == DSBF_ONE) { sblend = DSBF_SRCALPHA; /*dblend = DSBF_INVSRCALPHA;*/ } } color = &((cairo_solid_pattern_t *) mask_pattern)->color; } else { color = _cairo_stock_color (CAIRO_STOCK_WHITE); } /* XXX DirectFB currently does not support filtering, so force NEAREST * in order to hit optimisations inside core. */ src_pattern->filter = CAIRO_FILTER_NEAREST; status = _cairo_pattern_acquire_surface (src_pattern, &dst->base, *src_x, *src_y, width, height, (cairo_surface_t **) &src, &src_attr); if (status) return status; if (src->base.backend != &_cairo_directfb_surface_backend || src->dfb != dst->dfb) { _cairo_pattern_release_surface (src_pattern, &src->base, &src_attr); return CAIRO_INT_STATUS_UNSUPPORTED; } if (src->content == CAIRO_CONTENT_COLOR) { if (sblend == DSBF_SRCALPHA) sblend = DSBF_ONE; else if (sblend == DSBF_INVSRCALPHA) sblend = DSBF_ZERO; if (dblend == DSBF_SRCALPHA) dblend = DSBF_ONE; else if (dblend == DSBF_INVSRCALPHA) dblend = DSBF_ZERO; } if (dst->content == CAIRO_CONTENT_COLOR) { if (sblend == DSBF_DESTALPHA) sblend = DSBF_ONE; else if (sblend == DSBF_INVDESTALPHA) sblend = DSBF_ZERO; if (dblend == DSBF_DESTALPHA) dblend = DSBF_ONE; else if (dblend == DSBF_INVDESTALPHA) dblend = DSBF_ZERO; } flags = (sblend == DSBF_ONE && dblend == DSBF_ZERO) ? DSBLIT_NOFX : DSBLIT_BLEND_ALPHACHANNEL; if (! CAIRO_COLOR_IS_OPAQUE (color)) flags |= DSBLIT_BLEND_COLORALPHA; if (! _cairo_color_equal (color, _cairo_stock_color (CAIRO_STOCK_WHITE))) flags |= DSBLIT_COLORIZE; dst->dfbsurface->SetBlittingFlags (dst->dfbsurface, flags); if (flags & (DSBLIT_BLEND_ALPHACHANNEL | DSBLIT_BLEND_COLORALPHA)) { dst->dfbsurface->SetSrcBlendFunction (dst->dfbsurface, sblend); dst->dfbsurface->SetDstBlendFunction (dst->dfbsurface, dblend); } if (flags & (DSBLIT_BLEND_COLORALPHA | DSBLIT_COLORIZE)) { if (dst->blit_premultiplied) { dst->dfbsurface->SetColor (dst->dfbsurface, color->red_short >> 8, color->green_short >> 8, color->blue_short >> 8, color->alpha_short >> 8); } else { dst->dfbsurface->SetColor (dst->dfbsurface, color->red * 0xff, color->green * 0xff, color->blue * 0xff, color->alpha * 0xff); } } *ret_src = src; *ret_src_attr = src_attr; return CAIRO_STATUS_SUCCESS; } static void _directfb_finish_composite (cairo_directfb_surface_t *dst, cairo_pattern_t *src_pattern, cairo_surface_t *src, cairo_surface_attributes_t *src_attr) { _cairo_pattern_release_surface (src_pattern, src, src_attr); } #endif /* DFB_COMPOSITE || DFB_COMPOSITE_TRAPEZOIDS */ #if DFB_COMPOSITE static DFBAccelerationMask _directfb_categorize_operation (cairo_surface_attributes_t *src_attr) { cairo_matrix_t *m = &src_attr->matrix; if (m->xy != 0 || m->yx != 0 || m->xx < 0 || m->yy < 0) { if (src_attr->extend != CAIRO_EXTEND_NONE) return DFXL_NONE; return DFXL_TEXTRIANGLES; } if (m->xx != 1 || m->yy != 1) { if (src_attr->extend != CAIRO_EXTEND_NONE) return DFXL_NONE; return DFXL_STRETCHBLIT; } switch (src_attr->extend) { case CAIRO_EXTEND_NONE: case CAIRO_EXTEND_REPEAT: if (_cairo_matrix_is_integer_translation (&src_attr->matrix, NULL, NULL)) { return DFXL_BLIT; } else { return DFXL_STRETCHBLIT; } default: case CAIRO_EXTEND_REFLECT: case CAIRO_EXTEND_PAD: return DFXL_NONE; } } static cairo_int_status_t _cairo_directfb_surface_composite (cairo_operator_t op, cairo_pattern_t *src_pattern, cairo_pattern_t *mask_pattern, void *abstract_dst, int src_x, int src_y, int mask_x, int mask_y, int dst_x, int dst_y, unsigned int width, unsigned int height) { cairo_directfb_surface_t *dst = abstract_dst; cairo_directfb_surface_t *src; cairo_surface_attributes_t src_attr; cairo_bool_t is_integer_translation; DFBAccelerationMask accel, mask; cairo_int_status_t status; int tx, ty; D_DEBUG_AT (CairoDFB_Render, "%s( op=%d, src_pattern=%p, mask_pattern=%p, dst=%p," " src_x=%d, src_y=%d, mask_x=%d, mask_y=%d, dst_x=%d," " dst_y=%d, width=%u, height=%u ).\n", __FUNCTION__, op, src_pattern, mask_pattern, dst, src_x, src_y, mask_x, mask_y, dst_x, dst_y, width, height); status = _directfb_prepare_composite (dst, src_pattern, mask_pattern, op, &src_x, &src_y, &mask_x, &mask_y, width, height, &src, &src_attr); if (status) return status; accel = _directfb_categorize_operation (&src_attr); if (accel == DFXL_NONE) { _directfb_finish_composite (dst, src_pattern, &src->base, &src_attr); return CAIRO_INT_STATUS_UNSUPPORTED; } dst->dfbsurface->GetAccelerationMask (dst->dfbsurface, src->dfbsurface, &mask); if ((mask & accel) == 0) { D_DEBUG_AT (CairoDFB_Render, "No acceleration (%08x)!\n", accel); if (accel != DFXL_BLIT) { _directfb_finish_composite (dst, src_pattern, &src->base, &src_attr); return CAIRO_INT_STATUS_UNSUPPORTED; } } src_x += src_attr.x_offset; src_y += src_attr.y_offset; switch (accel) { case DFXL_BLIT: { DFBRectangle sr; is_integer_translation = _cairo_matrix_is_integer_translation (&src_attr.matrix, &tx, &ty); assert (is_integer_translation); sr.x = src_x + tx; sr.y = src_y + ty; sr.w = width; sr.h = height; if (src_attr.extend == CAIRO_EXTEND_NONE) { D_DEBUG_AT (CairoDFB_Render, "Running Blit().\n"); RUN_CLIPPED (dst, NULL, dst->dfbsurface->Blit (dst->dfbsurface, src->dfbsurface, &sr, dst_x, dst_y)); } else if (src_attr.extend == CAIRO_EXTEND_REPEAT) { DFBRegion clip; clip.x1 = dst_x; clip.y1 = dst_y; clip.x2 = dst_x + width - 1; clip.y2 = dst_y + height - 1; D_DEBUG_AT (CairoDFB_Render, "Running TileBlit().\n"); RUN_CLIPPED (dst, &clip, dst->dfbsurface->TileBlit (dst->dfbsurface, src->dfbsurface, &sr, dst_x, dst_y)); } break; } case DFXL_STRETCHBLIT: { DFBRectangle sr, dr; double x1, y1, x2, y2; TRANSFORM_POINT2X (src_attr.matrix, src_x, src_y, x1, y1); TRANSFORM_POINT2X (src_attr.matrix, src_x+width, src_y+height, x2, y2); sr.x = floor (x1); sr.y = floor (y1); sr.w = ceil (x2) - sr.x; sr.h = ceil (y2) - sr.y; dr.x = dst_x; dr.y = dst_y; dr.w = width; dr.h = height; D_DEBUG_AT (CairoDFB_Render, "Running StretchBlit().\n"); RUN_CLIPPED (dst, NULL, dst->dfbsurface->StretchBlit (dst->dfbsurface, src->dfbsurface, &sr, &dr)); break; } case DFXL_TEXTRIANGLES: { DFBRegion clip; DFBVertex v[4]; float x1, y1, x2, y2; int w, h; status = cairo_matrix_invert (&src_attr.matrix); /* guaranteed by cairo_pattern_set_matrix (); */ assert (status == CAIRO_STATUS_SUCCESS); x1 = src_x; y1 = src_y; x2 = width + x1; y2 = height + y1; src->dfbsurface->GetSize (src->dfbsurface, &w, &h); TRANSFORM_POINT3X (src_attr.matrix, x1, y1, v[0].x, v[0].y); v[0].z = 0; v[0].w = 1; v[0].s = x1 / w; v[0].t = y1 / h; TRANSFORM_POINT3X (src_attr.matrix, x2, y1, v[1].x, v[1].y); v[1].z = 0; v[1].w = 1; v[1].s = x2 / w; v[1].t = y1 / h; TRANSFORM_POINT3X (src_attr.matrix, x2, y2, v[2].x, v[2].y); v[2].z = 0; v[2].w = 1; v[2].s = x2 / w; v[2].t = y2 / h; TRANSFORM_POINT3X (src_attr.matrix, x1, y2, v[3].x, v[3].y); v[3].z = 0; v[3].w = 1; v[3].s = x1 / w; v[3].t = y2 / h; clip.x1 = dst_x; clip.y1 = dst_y; clip.x2 = dst_x + width - 1; clip.y2 = dst_y + height - 1; D_DEBUG_AT (CairoDFB_Render, "Running TextureTriangles().\n"); RUN_CLIPPED (dst, &clip, dst->dfbsurface->TextureTriangles (dst->dfbsurface, src->dfbsurface, v, NULL, 4, DTTF_FAN)); break; } default: D_BUG ("Unexpected operation"); break; } _directfb_finish_composite (dst, src_pattern, &src->base, &src_attr); return status; } #endif /* DFB_COMPOSITE */ #if DFB_RECTANGLES static cairo_int_status_t _cairo_directfb_surface_fill_rectangles (void *abstract_surface, cairo_operator_t op, const cairo_color_t *color, cairo_rectangle_int_t *rects, int n_rects) { cairo_directfb_surface_t *dst = abstract_surface; DFBSurfaceDrawingFlags flags; DFBSurfaceBlendFunction sblend; DFBSurfaceBlendFunction dblend; DFBRectangle r[n_rects]; int i; D_DEBUG_AT (CairoDFB_Render, "%s( dst=%p, op=%d, color=%p, rects=%p, n_rects=%d ).\n", __FUNCTION__, dst, op, color, rects, n_rects); if (! _cairo_operator_bounded_by_source (op)) return CAIRO_INT_STATUS_UNSUPPORTED; if (! _directfb_get_operator (op, &sblend, &dblend)) return CAIRO_INT_STATUS_UNSUPPORTED; if (CAIRO_COLOR_IS_OPAQUE (color)) { if (sblend == DSBF_SRCALPHA) sblend = DSBF_ONE; else if (sblend == DSBF_INVSRCALPHA) sblend = DSBF_ZERO; if (dblend == DSBF_SRCALPHA) dblend = DSBF_ONE; else if (dblend == DSBF_INVSRCALPHA) dblend = DSBF_ZERO; } if (dst->content == CAIRO_CONTENT_COLOR) { if (sblend == DSBF_DESTALPHA) sblend = DSBF_ONE; else if (sblend == DSBF_INVDESTALPHA) sblend = DSBF_ZERO; if (dblend == DSBF_DESTALPHA) dblend = DSBF_ONE; else if (dblend == DSBF_INVDESTALPHA) dblend = DSBF_ZERO; } flags = (sblend == DSBF_ONE && dblend == DSBF_ZERO) ? DSDRAW_NOFX : DSDRAW_BLEND; dst->dfbsurface->SetDrawingFlags (dst->dfbsurface, flags); if (flags & DSDRAW_BLEND) { dst->dfbsurface->SetSrcBlendFunction (dst->dfbsurface, sblend); dst->dfbsurface->SetDstBlendFunction (dst->dfbsurface, dblend); } dst->dfbsurface->SetColor (dst->dfbsurface, color->red_short >> 8, color->green_short >> 8, color->blue_short >> 8, color->alpha_short >> 8); for (i = 0; i < n_rects; i++) { r[i].x = rects[i].x; r[i].y = rects[i].y; r[i].w = rects[i].width; r[i].h = rects[i].height; } RUN_CLIPPED (dst, NULL, dst->dfbsurface->FillRectangles (dst->dfbsurface, r, n_rects)); return CAIRO_STATUS_SUCCESS; } #endif #if DFB_COMPOSITE_TRAPEZOIDS static cairo_int_status_t _cairo_directfb_surface_composite_trapezoids (cairo_operator_t op, cairo_pattern_t *pattern, void *abstract_dst, cairo_antialias_t antialias, int src_x, int src_y, int dst_x, int dst_y, unsigned int width, unsigned int height, cairo_trapezoid_t *traps, int num_traps) { cairo_directfb_surface_t *dst = abstract_dst; cairo_directfb_surface_t *src; cairo_surface_attributes_t src_attr; cairo_status_t status; DFBAccelerationMask accel; D_DEBUG_AT (CairoDFB_Render, "%s( op=%d, pattern=%p, dst=%p, antialias=%d," " src_x=%d, src_y=%d, dst_x=%d, dst_y=%d," " width=%u, height=%u, traps=%p, num_traps=%d ).\n", __FUNCTION__, op, pattern, dst, antialias, src_x, src_y, dst_x, dst_y, width, height, traps, num_traps); if (antialias != CAIRO_ANTIALIAS_NONE) return CAIRO_INT_STATUS_UNSUPPORTED; /* Textures are not supported yet. */ if (pattern->type != CAIRO_PATTERN_TYPE_SOLID) return CAIRO_INT_STATUS_UNSUPPORTED; status = _directfb_prepare_composite (dst, pattern, NULL, op, &src_x, &src_y, NULL, NULL, width, height, &src, &src_attr); if (status) return status; dst->dfbsurface->GetAccelerationMask (dst->dfbsurface, src->dfbsurface, &accel); status = CAIRO_INT_STATUS_UNSUPPORTED; if (accel & DFXL_TEXTRIANGLES) { DFBVertex vertex[6*num_traps]; DFBVertex *v = &vertex[0]; int n = 0; #define ADD_TRI_V(V, X, Y) do { \ (V)->x = (X); (V)->y = (Y); (V)->w = 1; (V)->z = (V)->s = (V)->t = 0; \ } while (0) #define ADD_TRI(id, x1, y1, x2, y2, x3, y3) do {\ const int p = (id)*3;\ ADD_TRI_V (v+p+0, x1, y1); \ ADD_TRI_V (v+p+1, x2, y2); \ ADD_TRI_V (v+p+2, x3, y3); \ } while (0) while (num_traps--) { double lx1, ly1, lx2, ly2; double rx1, ry1, rx2, ry2; lx1 = _cairo_fixed_to_double (traps->left.p1.x); ly1 = _cairo_fixed_to_double (traps->left.p1.y); lx2 = _cairo_fixed_to_double (traps->left.p2.x); ly2 = _cairo_fixed_to_double (traps->left.p2.y); rx1 = _cairo_fixed_to_double (traps->right.p1.x); ry1 = _cairo_fixed_to_double (traps->right.p1.y); rx2 = _cairo_fixed_to_double (traps->right.p2.x); ry2 = _cairo_fixed_to_double (traps->right.p2.y); if (traps->left.p1.y < traps->top) { double y = _cairo_fixed_to_double (traps->top); if (lx2 != lx1) lx1 = (y - ly1) * (lx2 - lx1) / (ly2 - ly1) + lx1; ly1 = y; } if (traps->left.p2.y > traps->bottom) { double y = _cairo_fixed_to_double (traps->bottom); if (lx2 != lx1) lx2 = (y - ly1) * (lx2 - lx1) / (ly2 - ly1) + lx1; ly2 = y; } if (traps->right.p1.y < traps->top) { double y = _cairo_fixed_to_double (traps->top); if (rx2 != rx1) rx1 = (y - ry1) * (rx2 - rx1) / (ry2 - ry1) + rx1; ry1 = y; } if (traps->right.p2.y > traps->bottom) { double y = _cairo_fixed_to_double (traps->bottom); if (rx2 != rx1) rx2 = (y - ry1) * (rx2 - rx1) / (ry2 - ry1) + rx1; ry2 = y; } if (lx1 == rx1 && ly1 == ry1) { ADD_TRI (0, lx2, ly2, lx1, ly1, rx2, ry2); v += 3; n += 3; } else if (lx2 == rx2 && ly2 == ry2) { ADD_TRI (0, lx1, ly1, lx2, ly2, rx1, ry1); v += 3; n += 3; } else { ADD_TRI (0, lx1, ly1, rx1, ry1, lx2, ly2); ADD_TRI (1, lx2, ly2, rx1, ry1, rx2, ry2); v += 6; n += 6; } traps++; } #undef ADD_TRI #undef ADD_TRI_V D_DEBUG_AT (CairoDFB_Render, "Running TextureTriangles().\n"); RUN_CLIPPED (dst, NULL, dst->dfbsurface->TextureTriangles (dst->dfbsurface, src->dfbsurface, vertex, NULL, n, DTTF_LIST)); status = CAIRO_STATUS_SUCCESS; } _directfb_finish_composite (dst, pattern, &src->base, &src_attr); return status; } #endif /* DFB_COMPOSITE_TRAPEZOIDS */ static cairo_int_status_t _cairo_directfb_surface_set_clip_region (void *abstract_surface, cairo_region_t *region) { cairo_directfb_surface_t *surface = abstract_surface; D_DEBUG_AT (CairoDFB_Clip, "%s( surface=%p, region=%p ).\n", __FUNCTION__, surface, region); if (region) { cairo_box_int_t *boxes; int n_boxes; cairo_status_t status; int i; surface->has_clip = TRUE; status = _cairo_region_get_boxes (region, &n_boxes, &boxes); if (n_boxes == 0) return CAIRO_STATUS_SUCCESS; if (status) return status; if (surface->n_clips != n_boxes) { if (surface->clips) free (surface->clips); surface->clips = _cairo_malloc_ab (n_boxes, sizeof (DFBRegion)); if (!surface->clips) { surface->n_clips = 0; _cairo_region_boxes_fini (region, boxes); return _cairo_error (CAIRO_STATUS_NO_MEMORY); } surface->n_clips = n_boxes; } for (i = 0; i < n_boxes; i++) { surface->clips[i].x1 = boxes[i].p1.x; surface->clips[i].y1 = boxes[i].p1.y; surface->clips[i].x2 = boxes[i].p2.x - 1; surface->clips[i].y2 = boxes[i].p2.y - 1; } _cairo_region_boxes_fini (region, boxes); } else { surface->has_clip = FALSE; if (surface->clips) { free (surface->clips); surface->clips = NULL; surface->n_clips = 0; } } return CAIRO_STATUS_SUCCESS; } static cairo_int_status_t _cairo_directfb_abstract_surface_get_extents (void *abstract_surface, cairo_rectangle_int_t *rectangle) { cairo_directfb_surface_t *surface = abstract_surface; D_DEBUG_AT (CairoDFB_Surface, "%s( surface=%p, rectangle=%p ).\n", __FUNCTION__, surface, rectangle); if (!surface->local) { surface->dfbsurface->GetSize (surface->dfbsurface, &surface->width, &surface->height); } rectangle->x = 0; rectangle->y = 0; rectangle->width = surface->width; rectangle->height = surface->height; return CAIRO_STATUS_SUCCESS; } #if DFB_SHOW_GLYPHS static cairo_status_t _directfb_allocate_font_cache (IDirectFB *dfb, int width, int height, cairo_directfb_font_cache_t **out) { cairo_directfb_font_cache_t *cache; cairo_status_t status; cache = calloc (1, sizeof (cairo_directfb_font_cache_t)); if (cache == NULL) return _cairo_error (CAIRO_STATUS_NO_MEMORY); cache->dfb = dfb; status = _directfb_buffer_surface_create (dfb, _directfb_argb_font ? DSPF_ARGB : DSPF_A8, width, height, &cache->dfbsurface); if (status) { free (cache); return status; } cache->width = width; cache->height = height; *out = cache; return CAIRO_STATUS_SUCCESS; } static void _directfb_destroy_font_cache (cairo_directfb_font_cache_t *cache) { cache->dfbsurface->Release (cache->dfbsurface); free (cache); } static cairo_status_t _directfb_acquire_font_cache (cairo_directfb_surface_t *surface, cairo_scaled_font_t *scaled_font, const cairo_glyph_t *glyphs, int num_glyphs, cairo_directfb_font_cache_t **ret_cache, DFBRectangle *rects, DFBPoint *points, int *ret_num) { cairo_status_t status; cairo_scaled_glyph_t *chars[num_glyphs]; int num_chars = 0; cairo_directfb_font_cache_t *cache = NULL; int n = 0; int x = 0; int y = 0; int w = 8; int h = 8; int i; D_DEBUG_AT (CairoDFB_Font, "%s( %p [%d] )\n", __FUNCTION__, glyphs, num_glyphs ); _cairo_cache_freeze (scaled_font->glyphs); if (scaled_font->surface_private) { cache = scaled_font->surface_private; x = cache->x; y = cache->y; } for (i = 0; i < num_glyphs; i++) { cairo_scaled_glyph_t *scaled_glyph; cairo_image_surface_t *img; D_DEBUG_AT (CairoDFB_Font, " -> [%2d] = %4lu\n", i, glyphs[i].index ); status = _cairo_scaled_glyph_lookup (scaled_font, glyphs[i].index, CAIRO_SCALED_GLYPH_INFO_SURFACE, &scaled_glyph); if (status) { _cairo_cache_thaw (scaled_font->glyphs); return status; } img = scaled_glyph->surface; switch (img->format) { case CAIRO_FORMAT_A1: case CAIRO_FORMAT_A8: case CAIRO_FORMAT_ARGB32: break; default: D_DEBUG_AT (CairoDFB_Font, " -> Unsupported font format %d!\n", img->format); _cairo_cache_thaw (scaled_font->glyphs); return CAIRO_INT_STATUS_UNSUPPORTED; } points[n].x = _cairo_lround (glyphs[i].x - img->base.device_transform.x0); points[n].y = _cairo_lround (glyphs[i].y - img->base.device_transform.y0); // D_DEBUG_AT (CairoDFB_Font, " (%4d,%4d) [%2d]\n", points[n].x, points[n].y, n ); if (points[n].x >= surface->width || points[n].y >= surface->height || points[n].x+img->width <= 0 || points[n].y+img->height <= 0) { continue; } if (scaled_glyph->surface_private == NULL) { DFBRectangle *rect; if (x+img->width > 2048) { x = 0; y = h; h = 0; } rects[n].x = x; rects[n].y = y; rects[n].w = img->width; rects[n].h = img->height; x += img->width; h = MAX (h, img->height); w = MAX (w, x); /* Remember glyph location */ rect = malloc (sizeof (DFBRectangle)); if (rect == NULL) { _cairo_cache_thaw (scaled_font->glyphs); return _cairo_error (CAIRO_STATUS_NO_MEMORY); } *rect = rects[n]; scaled_glyph->surface_private = rect; chars[num_chars++] = scaled_glyph; D_DEBUG_AT (CairoDFB_Font, " -> loading at %4d,%2d <- rect %p, img %p, entry %p\n", rects[n].x, rects[n].y, rect, scaled_glyph->surface, scaled_glyph); } else { rects[n] = *(DFBRectangle *) scaled_glyph->surface_private; D_DEBUG_AT (CairoDFB_Font, " -> exists at %4d,%2d\n", rects[n].x, rects[n].y); } n++; } if (n == 0) { _cairo_cache_thaw (scaled_font->glyphs); return CAIRO_INT_STATUS_NOTHING_TO_DO; } h += y; w = MAX (w, 8); h = MAX (h, 8); /* XXX query maximum surface size */ if (w > 2048 || h > 2048) { _cairo_cache_thaw (scaled_font->glyphs); return CAIRO_INT_STATUS_UNSUPPORTED; } if (cache) { if (cache->width < w || cache->height < h) { cairo_directfb_font_cache_t *new_cache; w = MAX (w, cache->width); h = MAX (h, cache->height); D_DEBUG_AT (CairoDFB_Font, " -> Reallocating font cache (%dx%d).\n", w, h); status = _directfb_allocate_font_cache (surface->dfb, w, h, &new_cache); if (status) { _cairo_cache_thaw (scaled_font->glyphs); return status; } new_cache->dfbsurface->Blit (new_cache->dfbsurface, cache->dfbsurface, NULL, 0, 0); _directfb_destroy_font_cache (cache); scaled_font->surface_private = cache = new_cache; } } else { D_DEBUG_AT (CairoDFB_Font, " -> Allocating font cache (%dx%d).\n", w, h); status = _directfb_allocate_font_cache (surface->dfb, w, h, &cache); if (status) { _cairo_cache_thaw (scaled_font->glyphs); return status; } scaled_font->surface_backend = &_cairo_directfb_surface_backend; scaled_font->surface_private = cache; } if (num_chars) { unsigned char *data; int pitch; if (cache->dfbsurface->Lock (cache->dfbsurface, DSLF_WRITE, (void *)&data, &pitch)) { _cairo_cache_thaw (scaled_font->glyphs); return _cairo_error (CAIRO_STATUS_NO_MEMORY); } D_DEBUG_AT (CairoDFB_Font, " => %d chars to load, cache %dx%d\n", num_chars, cache->width, cache->height); for (i = 0; i < num_chars; i++) { cairo_image_surface_t *img = chars[i]->surface; DFBRectangle *rect = chars[i]->surface_private; unsigned char *dst = data; unsigned char *src; int j; D_DEBUG_AT (CairoDFB_Font, " -> loading [%2d] <- rect %p, img %p, entry %p\n", i, rect, img, chars[i]); src = img->data; D_DEBUG_AT (CairoDFB_Font, " from %p\n", src); dst += rect->y * pitch + (_directfb_argb_font ? (rect->x<<2) : rect->x); D_DEBUG_AT (CairoDFB_Font, " to %4d,%2d (%p)\n", rect->x, rect->y, dst); if (img->format == CAIRO_FORMAT_A1) { for (h = rect->h; h; h--) { if (_directfb_argb_font) { for (j = 0; j < rect->w; j++) ((uint32_t *) dst)[j] = (src[j>>3] & (1 << (j&7))) ? 0xffffffff : 0; } else { for (j = 0; j < rect->w; j++) dst[j] = (src[j>>3] & (1 << (j&7))) ? 0xff : 0; } dst += pitch; src += img->stride; } } else if (img->format == CAIRO_FORMAT_A8) { for (h = rect->h; h; h--) { if (_directfb_argb_font) { for (j = 0; j < rect->w; j++) ((uint32_t *) dst)[j] = src[j] * 0x01010101; } else { direct_memcpy (dst, src, rect->w); } dst += pitch; src += img->stride; } } else { /* ARGB32 */ for (h = rect->h; h; h--) { if (_directfb_argb_font) { direct_memcpy (dst, src, rect->w<<2); } else { for (j = 0; j < rect->w; j++) dst[j] = ((uint32_t *) src)[j] >> 24; } dst += pitch; src += img->stride; } } } cache->dfbsurface->Unlock (cache->dfbsurface); } _cairo_cache_thaw (scaled_font->glyphs); cache->x = x; cache->y = y; D_DEBUG_AT (CairoDFB_Font, " => cache %d,%d, %p [%d]\n", x, y, cache, n); *ret_cache = cache; *ret_num = n; return CAIRO_STATUS_SUCCESS; } static void _cairo_directfb_surface_scaled_font_fini (cairo_scaled_font_t *scaled_font) { cairo_directfb_font_cache_t *cache = scaled_font->surface_private; D_DEBUG_AT (CairoDFB_Font, "%s( scaled_font=%p ).\n", __FUNCTION__, scaled_font); if (cache != NULL) { _directfb_destroy_font_cache (cache); scaled_font->surface_private = NULL; } } static void _cairo_directfb_surface_scaled_glyph_fini (cairo_scaled_glyph_t *scaled_glyph, cairo_scaled_font_t *scaled_font) { D_DEBUG_AT (CairoDFB_Font, "%s( scaled_glyph=%p, scaled_font=%p ).\n", __FUNCTION__, scaled_glyph, scaled_font); if (scaled_glyph->surface_private != NULL) { free (scaled_glyph->surface_private); scaled_glyph->surface_private = NULL; } } static cairo_int_status_t _cairo_directfb_surface_show_glyphs (void *abstract_dst, cairo_operator_t op, cairo_pattern_t *pattern, cairo_glyph_t *glyphs, int num_glyphs, cairo_scaled_font_t *scaled_font, int *remaining_glyphs) { cairo_directfb_surface_t *dst = abstract_dst; cairo_directfb_font_cache_t *cache; cairo_status_t status; DFBSurfaceBlittingFlags flags; DFBSurfaceBlendFunction sblend; DFBSurfaceBlendFunction dblend; DFBRectangle rects[num_glyphs]; DFBPoint points[num_glyphs]; int num; const cairo_color_t *color; D_DEBUG_AT (CairoDFB_Font, "%s( dst=%p, op=%d, pattern=%p, glyphs=%p, num_glyphs=%d, scaled_font=%p ).\n", __FUNCTION__, dst, op, pattern, glyphs, num_glyphs, scaled_font); if (pattern->type != CAIRO_PATTERN_TYPE_SOLID) return CAIRO_INT_STATUS_UNSUPPORTED; /* Fallback if we need to emulate clip regions */ if (dst->base.clip && (dst->base.clip->mode != CAIRO_CLIP_MODE_REGION || dst->base.clip->surface != NULL)) { return CAIRO_INT_STATUS_UNSUPPORTED; } /* XXX Unbounded operators are not handled correctly */ if (! _cairo_operator_bounded_by_mask (op)) return CAIRO_INT_STATUS_UNSUPPORTED; if (! _cairo_operator_bounded_by_source (op)) return CAIRO_INT_STATUS_UNSUPPORTED; if (! _directfb_get_operator (op, &sblend, &dblend) || sblend == DSBF_DESTALPHA || sblend == DSBF_INVDESTALPHA) { return CAIRO_INT_STATUS_UNSUPPORTED; } status = _directfb_acquire_font_cache (dst, scaled_font, glyphs, num_glyphs, &cache, &rects[0], &points[0], &num); if (status) { if (status == CAIRO_INT_STATUS_NOTHING_TO_DO) status = CAIRO_STATUS_SUCCESS; return status; } color = &((cairo_solid_pattern_t *) pattern)->color; flags = DSBLIT_BLEND_ALPHACHANNEL | DSBLIT_COLORIZE; if (! CAIRO_COLOR_IS_OPAQUE (color)) flags |= DSBLIT_BLEND_COLORALPHA; if (!_directfb_argb_font) { if (sblend == DSBF_ONE) { sblend = DSBF_SRCALPHA; if (dblend == DSBF_ZERO) dblend = DSBF_INVSRCALPHA; } } dst->dfbsurface->SetBlittingFlags (dst->dfbsurface, flags); dst->dfbsurface->SetSrcBlendFunction (dst->dfbsurface, sblend); dst->dfbsurface->SetDstBlendFunction (dst->dfbsurface, dblend); if (dst->blit_premultiplied) { dst->dfbsurface->SetColor (dst->dfbsurface, color->red_short >> 8, color->green_short >> 8, color->blue_short >> 8, color->alpha_short >> 8); } else { dst->dfbsurface->SetColor (dst->dfbsurface, color->red * 0xff, color->green * 0xff, color->blue * 0xff, color->alpha * 0xff); } D_DEBUG_AT (CairoDFB_Font, "Running BatchBlit().\n"); RUN_CLIPPED (dst, NULL, dst->dfbsurface->BatchBlit (dst->dfbsurface, cache->dfbsurface, rects, points, num)); return CAIRO_STATUS_SUCCESS; } #endif /* DFB_SHOW_GLYPHS */ static cairo_bool_t _cairo_directfb_surface_is_similar (void *surface_a, void *surface_b, cairo_content_t content) { cairo_directfb_surface_t *a = (cairo_directfb_surface_t *) surface_a; cairo_directfb_surface_t *b = (cairo_directfb_surface_t *) surface_b; return a->dfb == b->dfb; } static cairo_surface_backend_t _cairo_directfb_surface_backend = { CAIRO_SURFACE_TYPE_DIRECTFB, /*type*/ _cairo_directfb_surface_create_similar,/*create_similar*/ _cairo_directfb_surface_finish, /*finish*/ _cairo_directfb_surface_acquire_source_image,/*acquire_source_image*/ _cairo_directfb_surface_release_source_image,/*release_source_image*/ _cairo_directfb_surface_acquire_dest_image,/*acquire_dest_image*/ _cairo_directfb_surface_release_dest_image,/*release_dest_image*/ _cairo_directfb_surface_clone_similar,/*clone_similar*/ #if DFB_COMPOSITE _cairo_directfb_surface_composite,/*composite*/ #else NULL,/*composite*/ #endif #if DFB_RECTANGLES _cairo_directfb_surface_fill_rectangles,/*fill_rectangles*/ #else NULL,/*fill_rectangles*/ #endif #if DFB_COMPOSITE_TRAPEZOIDS _cairo_directfb_surface_composite_trapezoids,/*composite_trapezoids*/ #else NULL,/*composite_trapezoids*/ #endif NULL, /* copy_page */ NULL, /* show_page */ _cairo_directfb_surface_set_clip_region,/* set_clip_region */ NULL, /* intersect_clip_path */ _cairo_directfb_abstract_surface_get_extents,/* get_extents */ NULL, /* old_show_glyphs */ NULL, /* get_font_options */ NULL, /* flush */ NULL, /* mark_dirty_rectangle */ #if DFB_SHOW_GLYPHS _cairo_directfb_surface_scaled_font_fini,/* scaled_font_fini */ _cairo_directfb_surface_scaled_glyph_fini,/* scaled_glyph_fini */ #else NULL, NULL, #endif NULL, /* paint */ NULL, /* mask */ NULL, /* stroke */ NULL, /* fill */ #if DFB_SHOW_GLYPHS _cairo_directfb_surface_show_glyphs,/* show_glyphs */ #else NULL, /* show_glyphs */ #endif NULL, /* snapshot */ _cairo_directfb_surface_is_similar, NULL /* reset */ }; static void cairo_directfb_surface_backend_init (IDirectFB *dfb) { static int done = 0; if (done) return; if (getenv ("CAIRO_DIRECTFB_NO_ACCEL")) { #if DFB_RECTANGLES _cairo_directfb_surface_backend.fill_rectangles = NULL; #endif #if DFB_COMPOSITE _cairo_directfb_surface_backend.composite = NULL; #endif #if DFB_COMPOSITE_TRAPEZOIDS _cairo_directfb_surface_backend.composite_trapezoids = NULL; #endif #if DFB_SHOW_GLYPHS _cairo_directfb_surface_backend.scaled_font_fini = NULL; _cairo_directfb_surface_backend.scaled_glyph_fini = NULL; _cairo_directfb_surface_backend.show_glyphs = NULL; #endif D_DEBUG_AT (CairoDFB_Surface, "Acceleration disabled.\n"); } else { DFBGraphicsDeviceDescription dsc; dfb->GetDeviceDescription (dfb, &dsc); #if DFB_COMPOSITE // if (!(dsc.acceleration_mask & DFXL_BLIT)) // _cairo_directfb_surface_backend.composite = NULL; #endif #if DFB_COMPOSITE_TRAPEZOIDS // if (!(dsc.acceleration_mask & DFXL_TEXTRIANGLES)) // _cairo_directfb_surface_backend.composite_trapezoids = NULL; #endif } if (getenv ("CAIRO_DIRECTFB_ARGB_FONT")) { _directfb_argb_font = 1; D_DEBUG_AT (CairoDFB_Surface, "Using ARGB fonts.\n"); } done = 1; } cairo_surface_t * cairo_directfb_surface_create (IDirectFB *dfb, IDirectFBSurface *dfbsurface) { cairo_directfb_surface_t *surface; DFBSurfacePixelFormat format; DFBSurfaceCapabilities caps; D_ASSERT (dfb != NULL); D_ASSERT (dfbsurface != NULL); cairo_directfb_surface_backend_init (dfb); surface = calloc (1, sizeof (cairo_directfb_surface_t)); if (surface == NULL) return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY)); dfbsurface->AddRef (dfbsurface); dfbsurface->GetPixelFormat (dfbsurface, &format); dfbsurface->GetSize (dfbsurface, &surface->width, &surface->height); surface->dfb = dfb; surface->dfbsurface = dfbsurface; surface->format = _directfb_to_cairo_format (format); surface->content = _directfb_format_to_content (format); dfbsurface->GetCapabilities (dfbsurface, &caps); if (caps & DSCAPS_PREMULTIPLIED) surface->blit_premultiplied = TRUE; _cairo_surface_init (&surface->base, &_cairo_directfb_surface_backend, surface->content); return &surface->base; }