forked from KolibriOS/kolibrios
545 lines
16 KiB
C
545 lines
16 KiB
C
/* cairo - a vector graphics library with display and print output
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*
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* Copyright © 2012 Intel Corporation
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*
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* This library is free software; you can redistribute it and/or
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* modify it either under the terms of the GNU Lesser General Public
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* License version 2.1 as published by the Free Software Foundation
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* (the "LGPL") or, at your option, under the terms of the Mozilla
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* Public License Version 1.1 (the "MPL"). If you do not alter this
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* notice, a recipient may use your version of this file under either
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* the MPL or the LGPL.
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*
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* You should have received a copy of the LGPL along with this library
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* in the file COPYING-LGPL-2.1; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA
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* You should have received a copy of the MPL along with this library
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* in the file COPYING-MPL-1.1
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*
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* The contents of this file are subject to the Mozilla Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
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* OF ANY KIND, either express or implied. See the LGPL or the MPL for
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* the specific language governing rights and limitations.
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*
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* The Original Code is the cairo graphics library.
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*
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* The Initial Developer of the Original Code is Chris Wilson
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*
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* Contributor(s):
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* Chris Wilson <chris@chris-wilson.co.uk>
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*/
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#include "cairoint.h"
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#include "cairo-directfb.h"
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#include "cairo-clip-private.h"
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#include "cairo-compositor-private.h"
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#include "cairo-default-context-private.h"
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#include "cairo-error-private.h"
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#include "cairo-image-surface-inline.h"
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#include "cairo-pattern-private.h"
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#include "cairo-surface-backend-private.h"
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#include "cairo-surface-fallback-private.h"
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#include <pixman.h>
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#include <directfb.h>
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#include <direct/types.h>
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#include <direct/debug.h>
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#include <direct/memcpy.h>
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#include <direct/util.h>
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slim_hidden_proto(cairo_directfb_surface_create);
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typedef struct _cairo_dfb_surface {
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cairo_image_surface_t image;
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IDirectFB *dfb;
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IDirectFBSurface *dfb_surface;
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unsigned blit_premultiplied : 1;
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} cairo_dfb_surface_t;
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static cairo_content_t
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_directfb_format_to_content (DFBSurfacePixelFormat format)
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{
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cairo_content_t content = 0;
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if (DFB_PIXELFORMAT_HAS_ALPHA (format))
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content |= CAIRO_CONTENT_ALPHA;
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if (DFB_COLOR_BITS_PER_PIXEL (format))
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content |= CAIRO_CONTENT_COLOR_ALPHA;
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assert(content);
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return content;
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}
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static inline pixman_format_code_t
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_directfb_to_pixman_format (DFBSurfacePixelFormat format)
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{
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switch (format) {
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case DSPF_UNKNOWN: return 0;
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case DSPF_ARGB1555: return PIXMAN_a1r5g5b5;
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case DSPF_RGB16: return PIXMAN_r5g6b5;
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case DSPF_RGB24: return PIXMAN_r8g8b8;
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case DSPF_RGB32: return PIXMAN_x8r8g8b8;
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case DSPF_ARGB: return PIXMAN_a8r8g8b8;
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case DSPF_A8: return PIXMAN_a8;
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case DSPF_YUY2: return PIXMAN_yuy2;
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case DSPF_RGB332: return PIXMAN_r3g3b2;
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case DSPF_UYVY: return 0;
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case DSPF_I420: return 0;
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case DSPF_YV12: return PIXMAN_yv12;
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case DSPF_LUT8: return 0;
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case DSPF_ALUT44: return 0;
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case DSPF_AiRGB: return 0;
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case DSPF_A1: return 0; /* bit reversed, oops */
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case DSPF_NV12: return 0;
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case DSPF_NV16: return 0;
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case DSPF_ARGB2554: return 0;
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case DSPF_ARGB4444: return PIXMAN_a4r4g4b4;
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case DSPF_NV21: return 0;
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case DSPF_AYUV: return 0;
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case DSPF_A4: return PIXMAN_a4;
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case DSPF_ARGB1666: return 0;
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case DSPF_ARGB6666: return 0;
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case DSPF_RGB18: return 0;
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case DSPF_LUT2: return 0;
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case DSPF_RGB444: return PIXMAN_x4r4g4b4;
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case DSPF_RGB555: return PIXMAN_x1r5g5b5;
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#if DFB_NUM_PIXELFORMATS >= 29
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case DSPF_BGR555: return PIXMAN_x1b5g5r5;
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#endif
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}
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return 0;
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}
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static cairo_surface_t *
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_cairo_dfb_surface_create_similar (void *abstract_src,
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cairo_content_t content,
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int width,
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int height)
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{
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cairo_dfb_surface_t *other = abstract_src;
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DFBSurfacePixelFormat format;
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IDirectFBSurface *buffer;
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DFBSurfaceDescription dsc;
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cairo_surface_t *surface;
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if (width <= 0 || height <= 0)
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return _cairo_image_surface_create_with_content (content, width, height);
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switch (content) {
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default:
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ASSERT_NOT_REACHED;
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case CAIRO_CONTENT_COLOR_ALPHA:
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format = DSPF_ARGB;
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break;
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case CAIRO_CONTENT_COLOR:
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format = DSPF_RGB32;
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break;
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case CAIRO_CONTENT_ALPHA:
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format = DSPF_A8;
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break;
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}
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dsc.flags = DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_PIXELFORMAT;
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dsc.caps = DSCAPS_PREMULTIPLIED;
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dsc.width = width;
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dsc.height = height;
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dsc.pixelformat = format;
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if (other->dfb->CreateSurface (other->dfb, &dsc, &buffer))
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return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_DEVICE_ERROR));
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surface = cairo_directfb_surface_create (other->dfb, buffer);
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buffer->Release (buffer);
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return surface;
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}
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static cairo_status_t
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_cairo_dfb_surface_finish (void *abstract_surface)
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{
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cairo_dfb_surface_t *surface = abstract_surface;
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surface->dfb_surface->Release (surface->dfb_surface);
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return _cairo_image_surface_finish (abstract_surface);
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}
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static cairo_image_surface_t *
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_cairo_dfb_surface_map_to_image (void *abstract_surface,
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const cairo_rectangle_int_t *extents)
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{
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cairo_dfb_surface_t *surface = abstract_surface;
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if (surface->image.pixman_image == NULL) {
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IDirectFBSurface *buffer = surface->dfb_surface;
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pixman_image_t *image;
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void *data;
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int pitch;
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if (buffer->Lock (buffer, DSLF_READ | DSLF_WRITE, &data, &pitch))
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return _cairo_image_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY));
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image = pixman_image_create_bits (surface->image.pixman_format,
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surface->image.width,
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surface->image.height,
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data, pitch);
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if (image == NULL) {
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buffer->Unlock (buffer);
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return _cairo_image_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY));
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}
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_cairo_image_surface_init (&surface->image, image, surface->image.pixman_format);
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}
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return _cairo_image_surface_map_to_image (&surface->image.base, extents);
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}
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static cairo_int_status_t
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_cairo_dfb_surface_unmap_image (void *abstract_surface,
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cairo_image_surface_t *image)
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{
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cairo_dfb_surface_t *surface = abstract_surface;
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return _cairo_image_surface_unmap_image (&surface->image.base, image);
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}
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static cairo_status_t
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_cairo_dfb_surface_flush (void *abstract_surface,
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unsigned flags)
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{
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cairo_dfb_surface_t *surface = abstract_surface;
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if (flags)
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return CAIRO_STATUS_SUCCESS;
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if (surface->image.pixman_image) {
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surface->dfb_surface->Unlock (surface->dfb_surface);
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pixman_image_unref (surface->image.pixman_image);
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surface->image.pixman_image = NULL;
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surface->image.data = NULL;
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}
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return CAIRO_STATUS_SUCCESS;
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}
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#if 0
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static inline DFBSurfacePixelFormat
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_directfb_from_pixman_format (pixman_format_code_t format)
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{
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switch ((int) format) {
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case PIXMAN_a1r5g5b5: return DSPF_ARGB1555;
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case PIXMAN_r5g6b5: return DSPF_RGB16;
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case PIXMAN_r8g8b8: return DSPF_RGB24;
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case PIXMAN_x8r8g8b8: return DSPF_RGB32;
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case PIXMAN_a8r8g8b8: return DSPF_ARGB;
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case PIXMAN_a8: return DSPF_A8;
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case PIXMAN_yuy2: return DSPF_YUY2;
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case PIXMAN_r3g3b2: return DSPF_RGB332;
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case PIXMAN_yv12: return DSPF_YV12;
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case PIXMAN_a1: return DSPF_A1; /* bit reversed, oops */
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case PIXMAN_a4r4g4b4: return DSPF_ARGB4444;
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case PIXMAN_a4: return DSPF_A4;
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case PIXMAN_x4r4g4b4: return DSPF_RGB444;
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case PIXMAN_x1r5g5b5: return DSPF_RGB555;
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#if DFB_NUM_PIXELFORMATS >= 29
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case PIXMAN_x1b5g5r5: return DSPF_BGR555;
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#endif
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default: return 0;
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}
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}
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static cairo_bool_t
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_directfb_get_operator (cairo_operator_t operator,
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DFBSurfaceBlendFunction *ret_srcblend,
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DFBSurfaceBlendFunction *ret_dstblend)
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{
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DFBSurfaceBlendFunction srcblend = DSBF_ONE;
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DFBSurfaceBlendFunction dstblend = DSBF_ZERO;
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switch (operator) {
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case CAIRO_OPERATOR_CLEAR:
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srcblend = DSBF_ZERO;
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dstblend = DSBF_ZERO;
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break;
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case CAIRO_OPERATOR_SOURCE:
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srcblend = DSBF_ONE;
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dstblend = DSBF_ZERO;
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break;
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case CAIRO_OPERATOR_OVER:
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srcblend = DSBF_ONE;
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dstblend = DSBF_INVSRCALPHA;
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break;
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case CAIRO_OPERATOR_IN:
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srcblend = DSBF_DESTALPHA;
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dstblend = DSBF_ZERO;
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break;
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case CAIRO_OPERATOR_OUT:
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srcblend = DSBF_INVDESTALPHA;
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dstblend = DSBF_ZERO;
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break;
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case CAIRO_OPERATOR_ATOP:
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srcblend = DSBF_DESTALPHA;
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dstblend = DSBF_INVSRCALPHA;
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break;
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case CAIRO_OPERATOR_DEST:
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srcblend = DSBF_ZERO;
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dstblend = DSBF_ONE;
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break;
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case CAIRO_OPERATOR_DEST_OVER:
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srcblend = DSBF_INVDESTALPHA;
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dstblend = DSBF_ONE;
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break;
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case CAIRO_OPERATOR_DEST_IN:
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srcblend = DSBF_ZERO;
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dstblend = DSBF_SRCALPHA;
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break;
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case CAIRO_OPERATOR_DEST_OUT:
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srcblend = DSBF_ZERO;
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dstblend = DSBF_INVSRCALPHA;
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break;
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case CAIRO_OPERATOR_DEST_ATOP:
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srcblend = DSBF_INVDESTALPHA;
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dstblend = DSBF_SRCALPHA;
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break;
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case CAIRO_OPERATOR_XOR:
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srcblend = DSBF_INVDESTALPHA;
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dstblend = DSBF_INVSRCALPHA;
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break;
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case CAIRO_OPERATOR_ADD:
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srcblend = DSBF_ONE;
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dstblend = DSBF_ONE;
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break;
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case CAIRO_OPERATOR_SATURATE:
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/* XXX This does not work. */
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#if 0
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srcblend = DSBF_SRCALPHASAT;
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dstblend = DSBF_ONE;
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break;
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#endif
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case CAIRO_OPERATOR_MULTIPLY:
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case CAIRO_OPERATOR_SCREEN:
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case CAIRO_OPERATOR_OVERLAY:
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case CAIRO_OPERATOR_DARKEN:
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case CAIRO_OPERATOR_LIGHTEN:
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case CAIRO_OPERATOR_COLOR_DODGE:
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case CAIRO_OPERATOR_COLOR_BURN:
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case CAIRO_OPERATOR_HARD_LIGHT:
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case CAIRO_OPERATOR_SOFT_LIGHT:
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case CAIRO_OPERATOR_DIFFERENCE:
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case CAIRO_OPERATOR_EXCLUSION:
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case CAIRO_OPERATOR_HSL_HUE:
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case CAIRO_OPERATOR_HSL_SATURATION:
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case CAIRO_OPERATOR_HSL_COLOR:
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case CAIRO_OPERATOR_HSL_LUMINOSITY:
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default:
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return FALSE;
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}
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*ret_srcblend = srcblend;
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*ret_dstblend = dstblend;
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return TRUE;
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}
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#define RUN_CLIPPED(surface, clip_region, clip, func) {\
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if ((clip_region) != NULL) {\
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int n_clips = cairo_region_num_rectangles (clip_region), n; \
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for (n = 0; n < n_clips; n++) {\
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if (clip) {\
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DFBRegion reg, *cli = (clip); \
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cairo_rectangle_int_t rect; \
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cairo_region_get_rectangle (clip_region, n, &rect); \
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reg.x1 = rect.x; \
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reg.y1 = rect.y; \
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reg.x2 = rect.x + rect.width - 1; \
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reg.y2 = rect.y + rect.height - 1; \
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if (reg.x2 < cli->x1 || reg.y2 < cli->y1 ||\
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reg.x1 > cli->x2 || reg.y1 > cli->y2)\
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continue;\
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if (reg.x1 < cli->x1)\
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reg.x1 = cli->x1;\
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if (reg.y1 < cli->y1)\
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reg.y1 = cli->y1;\
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if (reg.x2 > cli->x2)\
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reg.x2 = cli->x2;\
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if (reg.y2 > cli->y2)\
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reg.y2 = cli->y2;\
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(surface)->dfbsurface->SetClip ((surface)->dfbsurface, ®);\
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} else {\
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DFBRegion reg; \
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cairo_rectangle_int_t rect; \
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cairo_region_get_rectangle (clip_region, n, &rect); \
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reg.x1 = rect.x; \
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reg.y1 = rect.y; \
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reg.x2 = rect.x + rect.width - 1; \
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reg.y2 = rect.y + rect.height - 1; \
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(surface)->dfbsurface->SetClip ((surface)->dfbsurface, ®); \
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}\
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func;\
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}\
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} else {\
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(surface)->dfbsurface->SetClip ((surface)->dfbsurface, clip);\
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func;\
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}\
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}
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static cairo_int_status_t
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_cairo_dfb_surface_fill_rectangles (void *abstract_surface,
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cairo_operator_t op,
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const cairo_color_t *color,
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cairo_rectangle_int_t *rects,
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int n_rects)
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{
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cairo_dfb_surface_t *dst = abstract_surface;
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DFBSurfaceDrawingFlags flags;
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DFBSurfaceBlendFunction sblend;
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DFBSurfaceBlendFunction dblend;
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DFBRectangle r[n_rects];
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int i;
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D_DEBUG_AT (CairoDFB_Render,
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"%s( dst=%p, op=%d, color=%p, rects=%p, n_rects=%d ).\n",
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__FUNCTION__, dst, op, color, rects, n_rects);
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if (! dst->supported_destination)
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return CAIRO_INT_STATUS_UNSUPPORTED;
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if (! _directfb_get_operator (op, &sblend, &dblend))
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return CAIRO_INT_STATUS_UNSUPPORTED;
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if (CAIRO_COLOR_IS_OPAQUE (color)) {
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if (sblend == DSBF_SRCALPHA)
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sblend = DSBF_ONE;
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else if (sblend == DSBF_INVSRCALPHA)
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sblend = DSBF_ZERO;
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if (dblend == DSBF_SRCALPHA)
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dblend = DSBF_ONE;
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else if (dblend == DSBF_INVSRCALPHA)
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dblend = DSBF_ZERO;
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}
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if ((dst->base.content & CAIRO_CONTENT_ALPHA) == 0) {
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if (sblend == DSBF_DESTALPHA)
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sblend = DSBF_ONE;
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else if (sblend == DSBF_INVDESTALPHA)
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sblend = DSBF_ZERO;
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if (dblend == DSBF_DESTALPHA)
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dblend = DSBF_ONE;
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else if (dblend == DSBF_INVDESTALPHA)
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dblend = DSBF_ZERO;
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}
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flags = (sblend == DSBF_ONE && dblend == DSBF_ZERO) ? DSDRAW_NOFX : DSDRAW_BLEND;
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dst->dfbsurface->SetDrawingFlags (dst->dfbsurface, flags);
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if (flags & DSDRAW_BLEND) {
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dst->dfbsurface->SetSrcBlendFunction (dst->dfbsurface, sblend);
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dst->dfbsurface->SetDstBlendFunction (dst->dfbsurface, dblend);
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}
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dst->dfbsurface->SetColor (dst->dfbsurface,
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color->red_short >> 8,
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color->green_short >> 8,
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color->blue_short >> 8,
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color->alpha_short >> 8);
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for (i = 0; i < n_rects; i++) {
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r[i].x = rects[i].x;
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r[i].y = rects[i].y;
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r[i].w = rects[i].width;
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r[i].h = rects[i].height;
|
|
}
|
|
|
|
RUN_CLIPPED (dst, NULL, NULL,
|
|
dst->dfbsurface->FillRectangles (dst->dfbsurface, r, n_rects));
|
|
|
|
return CAIRO_STATUS_SUCCESS;
|
|
}
|
|
#endif
|
|
|
|
static cairo_surface_backend_t
|
|
_cairo_dfb_surface_backend = {
|
|
CAIRO_SURFACE_TYPE_DIRECTFB, /*type*/
|
|
_cairo_dfb_surface_finish, /*finish*/
|
|
_cairo_default_context_create,
|
|
|
|
_cairo_dfb_surface_create_similar,/*create_similar*/
|
|
NULL, /* create similar image */
|
|
_cairo_dfb_surface_map_to_image,
|
|
_cairo_dfb_surface_unmap_image,
|
|
|
|
_cairo_surface_default_source,
|
|
_cairo_surface_default_acquire_source_image,
|
|
_cairo_surface_default_release_source_image,
|
|
NULL,
|
|
|
|
NULL, /* copy_page */
|
|
NULL, /* show_page */
|
|
|
|
_cairo_image_surface_get_extents,
|
|
_cairo_image_surface_get_font_options,
|
|
|
|
_cairo_dfb_surface_flush,
|
|
NULL, /* mark_dirty_rectangle */
|
|
|
|
_cairo_surface_fallback_paint,
|
|
_cairo_surface_fallback_mask,
|
|
_cairo_surface_fallback_stroke,
|
|
_cairo_surface_fallback_fill,
|
|
NULL, /* fill-stroke */
|
|
_cairo_surface_fallback_glyphs,
|
|
};
|
|
|
|
cairo_surface_t *
|
|
cairo_directfb_surface_create (IDirectFB *dfb, IDirectFBSurface *dfbsurface)
|
|
{
|
|
cairo_dfb_surface_t *surface;
|
|
DFBSurfacePixelFormat format;
|
|
DFBSurfaceCapabilities caps;
|
|
pixman_format_code_t pixman_format;
|
|
int width, height;
|
|
|
|
D_ASSERT (dfb != NULL);
|
|
D_ASSERT (dfbsurface != NULL);
|
|
|
|
dfbsurface->GetPixelFormat (dfbsurface, &format);
|
|
dfbsurface->GetSize (dfbsurface, &width, &height);
|
|
|
|
pixman_format = _directfb_to_pixman_format (format);
|
|
if (! pixman_format_supported_destination (pixman_format))
|
|
return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_INVALID_FORMAT));
|
|
|
|
surface = calloc (1, sizeof (cairo_dfb_surface_t));
|
|
if (surface == NULL)
|
|
return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY));
|
|
|
|
/* XXX dfb -> device */
|
|
_cairo_surface_init (&surface->image.base,
|
|
&_cairo_dfb_surface_backend,
|
|
NULL, /* device */
|
|
_directfb_format_to_content (format));
|
|
|
|
surface->image.pixman_format = pixman_format;
|
|
surface->image.format = _cairo_format_from_pixman_format (pixman_format);
|
|
|
|
surface->image.width = width;
|
|
surface->image.height = height;
|
|
surface->image.depth = PIXMAN_FORMAT_DEPTH(pixman_format);
|
|
|
|
surface->dfb = dfb;
|
|
surface->dfb_surface = dfbsurface;
|
|
dfbsurface->AddRef (dfbsurface);
|
|
|
|
dfbsurface->GetCapabilities (dfbsurface, &caps);
|
|
if (caps & DSCAPS_PREMULTIPLIED)
|
|
surface->blit_premultiplied = TRUE;
|
|
|
|
return &surface->image.base;
|
|
}
|
|
slim_hidden_def(cairo_directfb_surface_create);
|