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c57aff1800
This is part of a larger effort to expose the difference between GrDirectContext, which runs on the GPU thread and can directly perform operations like uploading textures, and GrRecordingContext, which can only queue up work to be delivered to the GrDirectContext later.
81 lines
2.1 KiB
C++
81 lines
2.1 KiB
C++
// Copyright 2013 The Flutter 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 <lib/fdio/watcher.h>
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#include <lib/zx/time.h>
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#include <unistd.h>
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#include "flutter/fml/unique_fd.h"
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namespace flutter_runner {
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Surface::Surface(std::string debug_label,
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flutter::ExternalViewEmbedder* view_embedder)
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: debug_label_(std::move(debug_label)), view_embedder_(view_embedder) {}
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Surface::~Surface() = default;
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// |flutter::Surface|
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bool Surface::IsValid() {
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return valid_;
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}
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// |flutter::Surface|
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std::unique_ptr<flutter::SurfaceFrame> Surface::AcquireFrame(
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const SkISize& size) {
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return std::make_unique<flutter::SurfaceFrame>(
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nullptr, true,
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[](const flutter::SurfaceFrame& surface_frame, SkCanvas* canvas) {
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return true;
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});
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}
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// |flutter::Surface|
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GrDirectContext* 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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fml::UniqueFD fd(open(kGpuDriverClass, O_DIRECTORY | O_RDONLY));
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if (fd.get() < 0) {
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FML_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,
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zx::deadline_after(zx::duration(ZX_SEC(5))).get(), nullptr);
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return status == ZX_ERR_STOP;
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}
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// |flutter::Surface|
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SkMatrix Surface::GetRootTransformation() const {
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// This backend does not support delegating to the underlying platform to
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// query for root surface transformations. Just return identity.
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SkMatrix matrix;
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matrix.reset();
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return matrix;
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}
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// |flutter::GetViewEmbedder|
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flutter::ExternalViewEmbedder* Surface::GetExternalViewEmbedder() {
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return view_embedder_;
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}
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} // namespace flutter_runner
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