Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(11)

Side by Side Diff: ui/wayland/wayland_shm_buffer.cc

Issue 10009024: Remove WAYLAND port (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: sync Created 8 years, 8 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch | Annotate | Revision Log
« no previous file with comments | « ui/wayland/wayland_shm_buffer.h ('k') | ui/wayland/wayland_widget.h » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
(Empty)
1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "ui/wayland/wayland_shm_buffer.h"
6
7 #include <cairo.h>
8 #include <fcntl.h>
9 #include <stdlib.h>
10 #include <sys/mman.h>
11 #include <unistd.h>
12 #include <wayland-client.h>
13
14 #include "base/logging.h"
15 #include "ui/wayland/wayland_display.h"
16
17 namespace ui {
18
19 WaylandShmBuffer::WaylandShmBuffer(WaylandDisplay* display,
20 uint32_t width,
21 uint32_t height)
22 : data_surface_(NULL) {
23 int stride = cairo_format_stride_for_width(CAIRO_FORMAT_ARGB32, width);
24 int allocation = stride * height;
25
26 char filename[] = "/tmp/wayland-shm-XXXXXX";
27 int fd = mkstemp(filename);
28 if (fd < 0) {
29 PLOG(ERROR) << "Failed to open";
30 return;
31 }
32 if (ftruncate(fd, allocation) < 0) {
33 PLOG(ERROR) << "Failed to ftruncate";
34 close(fd);
35 return;
36 }
37
38 unsigned char* data = static_cast<unsigned char*>(
39 mmap(NULL, allocation, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0));
40 unlink(filename);
41
42 if (data == MAP_FAILED) {
43 PLOG(ERROR) << "Failed to mmap /dev/zero";
44 close(fd);
45 return;
46 }
47 data_surface_ = cairo_image_surface_create_for_data(
48 data, CAIRO_FORMAT_ARGB32, width, height, stride);
49 buffer_ = wl_shm_create_buffer(display->shm(), fd,
50 width, height, stride,
51 WL_SHM_FORMAT_PREMULTIPLIED_ARGB32);
52 close(fd);
53 }
54
55 WaylandShmBuffer::~WaylandShmBuffer() {
56 if (buffer_) {
57 wl_buffer_destroy(buffer_);
58 buffer_ = NULL;
59 }
60 if (data_surface_) {
61 cairo_surface_destroy(data_surface_);
62 data_surface_ = NULL;
63 }
64 }
65
66 } // namespace ui
OLDNEW
« no previous file with comments | « ui/wayland/wayland_shm_buffer.h ('k') | ui/wayland/wayland_widget.h » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698