mirror of
https://gitlab.uni-freiburg.de/opensourcevdi/spice
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94 lines
3.3 KiB
C++
94 lines
3.3 KiB
C++
/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
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/*
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Copyright (C) 2009 Red Hat, Inc.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include "common.h"
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#include "red_pixmap_sw.h"
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#include "debug.h"
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#include "utils.h"
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#include "pixels_source_p.h"
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#include "x_platform.h"
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RedPixmapSw::RedPixmapSw(int width, int height, RedDrawable::Format format,
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bool top_bottom, RedWindow *win)
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: RedPixmap(width, height, format, top_bottom)
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{
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ASSERT(format == RedDrawable::ARGB32 || format == RedDrawable::RGB32 ||
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format == RedDrawable::RGB16_555 || format == RedDrawable::RGB16_565 ||
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format == RedDrawable::A1);
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ASSERT(sizeof(RedDrawable_p) <= PIXELES_SOURCE_OPAQUE_SIZE);
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pixman_image_t *pixman_image;
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XImage *image;
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XShmSegmentInfo *shminfo;
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_data = NULL;
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XVisualInfo *vinfo;
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int screen_num;
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RedDrawable::Format screen_format;
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screen_num = win ? win->get_screen_num() : 0;
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vinfo = XPlatform::get_vinfo()[screen_num];
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screen_format = XPlatform::get_screen_format(screen_num);
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image = NULL;
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shminfo = NULL;
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/* Only create XImage if same format as screen (needs re-verifying at
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draw time!) */
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if (RedDrawable::format_copy_compatible(format, screen_format) ||
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format == A1) {
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image = XPlatform::create_x_image(format, width, height,
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vinfo->depth, vinfo->visual,
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&shminfo);
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_stride = image->bytes_per_line;
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_data = (uint8_t *)image->data;
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} else {
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_data = new uint8_t[height * _stride];
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}
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pixman_image = pixman_image_create_bits(RedDrawable::format_to_pixman(format),
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_width, _height,
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(uint32_t *)_data, _stride);
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if (pixman_image == NULL) {
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THROW("surf create failed");
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}
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((PixelsSource_p*)get_opaque())->type = PIXELS_SOURCE_TYPE_PIXMAP;
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((PixelsSource_p*)get_opaque())->pixmap.shminfo = shminfo;
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((PixelsSource_p*)get_opaque())->pixmap.x_image = image;
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((PixelsSource_p*)get_opaque())->pixmap.pixman_image = pixman_image;
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((PixelsSource_p*)get_opaque())->pixmap.format = format;
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}
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RedPixmapSw::~RedPixmapSw()
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{
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ASSERT(((PixelsSource_p*)get_opaque())->type == PIXELS_SOURCE_TYPE_PIXMAP);
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XShmSegmentInfo *shminfo = ((PixelsSource_p*)get_opaque())->pixmap.shminfo;
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XImage *image = ((PixelsSource_p*)get_opaque())->pixmap.x_image;
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pixman_image_unref(((PixelsSource_p*)get_opaque())->pixmap.pixman_image);
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if (image) {
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XPlatform::free_x_image(image, shminfo);
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} else {
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delete[] _data;
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}
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}
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