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// Copyright 2022 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_factory.h"
#include <memory>
#include "ui/ozone/platform/wayland/host/wayland_drm.h"
#include "ui/ozone/platform/wayland/host/wayland_zwp_linux_dmabuf.h"
namespace ui {
WaylandBufferFactory::WaylandBufferFactory() = default;
WaylandBufferFactory::~WaylandBufferFactory() = default;
void WaylandBufferFactory::CreateDmabufBuffer(
const base::ScopedFD& fd,
const gfx::Size& size,
const std::vector<uint32_t>& strides,
const std::vector<uint32_t>& offsets,
const std::vector<uint64_t>& modifiers,
uint32_t format,
uint32_t planes_count,
wl::OnRequestBufferCallback callback) const {
DCHECK(SupportsDmabuf());
if (wayland_zwp_dmabuf_) {
wayland_zwp_dmabuf_->CreateBuffer(fd, size, strides, offsets, modifiers,
format, planes_count,
std::move(callback));
} else if (wayland_drm_) {
wayland_drm_->CreateBuffer(fd, size, strides, offsets, modifiers, format,
planes_count, std::move(callback));
} else {
// This method must never be called if neither zwp_linux_dmabuf or wl_drm
// are supported.
NOTREACHED();
}
}
wl::Object<struct wl_buffer> WaylandBufferFactory::CreateShmBuffer(
const base::ScopedFD& fd,
size_t length,
const gfx::Size& size,
bool with_alpha_channel) const {
if (!wayland_shm_) [[unlikely]] {
return {};
}
return wayland_shm_->CreateBuffer(fd, length, size, with_alpha_channel);
}
wl::BufferFormatsWithModifiersMap
WaylandBufferFactory::GetSupportedBufferFormats() const {
#if defined(WAYLAND_GBM)
if (wayland_zwp_dmabuf_)
return wayland_zwp_dmabuf_->supported_buffer_formats();
else if (wayland_drm_)
return wayland_drm_->supported_buffer_formats();
#endif
return {};
}
bool WaylandBufferFactory::SupportsDmabuf() const {
#if defined(WAYLAND_GBM)
return !!wayland_zwp_dmabuf_ ||
(wayland_drm_ && wayland_drm_->SupportsDrmPrime());
#else
return false;
#endif
}
bool WaylandBufferFactory::CanCreateDmabufImmed() const {
#if defined(WAYLAND_GBM)
if (wayland_zwp_dmabuf_)
return wayland_zwp_dmabuf_->CanCreateBufferImmed();
else if (wayland_drm_)
return wayland_drm_->CanCreateBufferImmed();
#endif
return false;
}
} // namespace ui
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