File: wayland_buffer_backing_shm.cc

package info (click to toggle)
chromium 138.0.7204.183-1
  • links: PTS, VCS
  • area: main
  • in suites: trixie
  • size: 6,071,908 kB
  • sloc: cpp: 34,937,088; ansic: 7,176,967; javascript: 4,110,704; python: 1,419,953; asm: 946,768; xml: 739,971; pascal: 187,324; sh: 89,623; perl: 88,663; objc: 79,944; sql: 50,304; cs: 41,786; fortran: 24,137; makefile: 21,806; php: 13,980; tcl: 13,166; yacc: 8,925; ruby: 7,485; awk: 3,720; lisp: 3,096; lex: 1,327; ada: 727; jsp: 228; sed: 36
file content (40 lines) | stat: -rw-r--r-- 1,265 bytes parent folder | download | duplicates (3) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
 
// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "ui/ozone/platform/wayland/host/wayland_buffer_backing_shm.h"

#include "ui/ozone/platform/wayland/host/wayland_buffer_factory.h"
#include "ui/ozone/platform/wayland/host/wayland_connection.h"

namespace ui {

WaylandBufferBackingShm::WaylandBufferBackingShm(
    const WaylandConnection* connection,
    base::ScopedFD fd,
    uint64_t length,
    const gfx::Size& size,
    uint32_t buffer_id)
    : WaylandBufferBacking(connection, buffer_id, size),
      fd_(std::move(fd)),
      length_(length) {}

WaylandBufferBackingShm::~WaylandBufferBackingShm() = default;

void WaylandBufferBackingShm::RequestBufferHandle(
    base::OnceCallback<void(wl::Object<wl_buffer>)> callback) {
  DCHECK(!callback.is_null());
  DCHECK(fd_.is_valid());

  std::move(callback).Run(connection()->buffer_factory()->CreateShmBuffer(
      fd_, length_, size(), /*with_alpha_channel=*/true));
  if (UseExplicitSyncRelease())
    auto close = std::move(fd_);
}

WaylandBufferBacking::BufferBackingType
WaylandBufferBackingShm::GetBackingType() const {
  return WaylandBufferBacking::BufferBackingType::kShm;
}

}  // namespace ui