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// Copyright 2014 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/drm/gpu/drm_window.h"
#include <stddef.h>
#include <stdint.h>
#include <utility>
#include "base/time/time.h"
#include "base/trace_event/trace_event.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "third_party/skia/include/core/SkCanvas.h"
#include "third_party/skia/include/core/SkSurface.h"
#include "ui/gfx/gpu_fence.h"
#include "ui/gfx/presentation_feedback.h"
#include "ui/ozone/platform/drm/common/drm_util.h"
#include "ui/ozone/platform/drm/gpu/crtc_controller.h"
#include "ui/ozone/platform/drm/gpu/drm_device.h"
#include "ui/ozone/platform/drm/gpu/drm_device_manager.h"
#include "ui/ozone/platform/drm/gpu/drm_dumb_buffer.h"
#include "ui/ozone/platform/drm/gpu/drm_overlay_validator.h"
#include "ui/ozone/platform/drm/gpu/screen_manager.h"
namespace ui {
DrmWindow::DrmWindow(gfx::AcceleratedWidget widget,
DrmDeviceManager* device_manager,
ScreenManager* screen_manager)
: widget_(widget),
device_manager_(device_manager),
screen_manager_(screen_manager) {}
DrmWindow::~DrmWindow() = default;
void DrmWindow::Initialize() {
TRACE_EVENT1("drm", "DrmWindow::Initialize", "widget", widget_);
device_manager_->UpdateDrmDevice(widget_, nullptr);
overlay_validator_ = std::make_unique<DrmOverlayValidator>(this);
}
void DrmWindow::Shutdown() {
TRACE_EVENT1("drm", "DrmWindow::Shutdown", "widget", widget_);
device_manager_->RemoveDrmDevice(widget_);
}
gfx::AcceleratedWidget DrmWindow::GetAcceleratedWidget() const {
return widget_;
}
HardwareDisplayController* DrmWindow::GetController() const {
return controller_;
}
void DrmWindow::SetBounds(const gfx::Rect& bounds) {
TRACE_EVENT2("drm", "DrmWindow::SetBounds", "widget", widget_, "bounds",
bounds.ToString());
if (bounds_.size() != bounds.size())
last_submitted_planes_.clear();
bounds_ = bounds;
screen_manager_->UpdateControllerToWindowMapping();
}
void DrmWindow::SetCursor(const std::vector<SkBitmap>& bitmaps,
const std::optional<gfx::Point>& location,
base::TimeDelta frame_delay) {
cursor_bitmaps_ = bitmaps;
if (location.has_value()) {
cursor_location_ = location.value();
}
cursor_frame_ = 0;
cursor_timer_.Stop();
if (!frame_delay.is_zero()) {
cursor_timer_.Start(FROM_HERE, frame_delay, this,
&DrmWindow::OnCursorAnimationTimeout);
}
if (location.has_value()) {
ResetCursor();
} else {
UpdateCursorImage();
}
}
void DrmWindow::MoveCursor(const gfx::Point& location) {
cursor_location_ = location;
UpdateCursorLocation();
}
void DrmWindow::SchedulePageFlip(
std::vector<DrmOverlayPlane> planes,
SwapCompletionOnceCallback submission_callback,
PresentationOnceCallback presentation_callback) {
if (controller_) {
const DrmDevice* drm = controller_->GetDrmDevice().get();
for (const auto& plane : planes) {
if (plane.buffer && plane.buffer->drm_device() != drm) {
// Although |force_buffer_reallocation_| is set to true during window
// bounds update, this may still be needed because of in-flight buffers.
force_buffer_reallocation_ = true;
break;
}
}
}
if (force_buffer_reallocation_) {
force_buffer_reallocation_ = false;
std::move(submission_callback)
.Run(gfx::SwapResult::SWAP_NAK_RECREATE_BUFFERS,
/*release_fence=*/gfx::GpuFenceHandle());
std::move(presentation_callback).Run(gfx::PresentationFeedback::Failure());
return;
}
last_submitted_planes_ = DrmOverlayPlane::Clone(planes);
if (!controller_ || !controller_->GetDrmDevice()->has_master()) {
std::move(submission_callback)
.Run(gfx::SwapResult::SWAP_ACK,
/*release_fence=*/gfx::GpuFenceHandle());
std::move(presentation_callback).Run(gfx::PresentationFeedback::Failure());
return;
}
controller_->SchedulePageFlip(std::move(planes),
std::move(submission_callback),
std::move(presentation_callback));
}
OverlayStatusList DrmWindow::TestPageFlip(
const OverlaySurfaceCandidateList& overlay_params) {
return overlay_validator_->TestPageFlip(overlay_params,
last_submitted_planes_);
}
void DrmWindow::UpdateCursorImage() {
if (!controller_)
return;
if (cursor_bitmaps_.size()) {
controller_->SetCursor(cursor_bitmaps_[cursor_frame_]);
} else {
// No cursor set.
controller_->SetCursor(SkBitmap());
}
}
void DrmWindow::UpdateCursorLocation() {
if (!controller_)
return;
controller_->MoveCursor(cursor_location_);
}
void DrmWindow::ResetCursor() {
UpdateCursorLocation();
UpdateCursorImage();
}
void DrmWindow::OnCursorAnimationTimeout() {
cursor_frame_++;
cursor_frame_ %= cursor_bitmaps_.size();
UpdateCursorImage();
}
void DrmWindow::SetController(HardwareDisplayController* controller) {
if (controller_ == controller)
return;
// Force buffer reallocation since the window moved to a different controller.
// This is required otherwise the GPU will eventually try to render into the
// buffer currently showing on the old controller (there is no guarantee that
// the old controller has been updated in the meantime).
force_buffer_reallocation_ = true;
controller_ = controller;
device_manager_->UpdateDrmDevice(
widget_, controller ? controller->GetDrmDevice() : nullptr);
// We changed displays, so we want to update the cursor as well.
ResetCursor();
}
} // namespace ui
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