mirror of
https://github.com/encounter/engine.git
synced 2026-03-30 11:09:55 -07:00
Chinmay Garde
64 lines
1.6 KiB
C++
64 lines
1.6 KiB
C++
// Copyright 2018 The Fuchsia Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "surface.h"
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#include <fcntl.h>
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#include <fdio/watcher.h>
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#include <unistd.h>
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#include <zircon/device/vfs.h>
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#include "lib/fxl/files/unique_fd.h"
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namespace flutter {
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Surface::Surface(std::string debug_label)
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: debug_label_(std::move(debug_label)) {}
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Surface::~Surface() = default;
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// |shell::Surface|
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bool Surface::IsValid() {
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return valid_;
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}
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// |shell::Surface|
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std::unique_ptr<shell::SurfaceFrame> Surface::AcquireFrame(
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const SkISize& size) {
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return std::make_unique<shell::SurfaceFrame>(
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nullptr, [](const shell::SurfaceFrame& surface_frame, SkCanvas* canvas) {
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return true;
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});
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}
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// |shell::Surface|
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GrContext* Surface::GetContext() {
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return nullptr;
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}
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static zx_status_t DriverWatcher(int dirfd,
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int event,
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const char* fn,
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void* cookie) {
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if (event == WATCH_EVENT_ADD_FILE && !strcmp(fn, "000")) {
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return ZX_ERR_STOP;
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}
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return ZX_OK;
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}
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bool Surface::CanConnectToDisplay() {
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constexpr char kGpuDriverClass[] = "/dev/class/gpu";
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fxl::UniqueFD fd(open(kGpuDriverClass, O_DIRECTORY | O_RDONLY));
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if (fd.get() < 0) {
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FXL_DLOG(ERROR) << "Failed to open " << kGpuDriverClass;
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return false;
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}
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zx_status_t status = fdio_watch_directory(
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fd.get(), DriverWatcher, zx_deadline_after(ZX_SEC(5)), nullptr);
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return status == ZX_ERR_STOP;
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}
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} // namespace flutter
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