blob: e6a97b810cafcc60f543de99e6fcbc8fd67f1417 (
plain)
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
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef DISPLAY_SKIA_OUTPUT_DEVICE_H
#define DISPLAY_SKIA_OUTPUT_DEVICE_H
#include <QtCore/QMutex>
#include <QtWebEngineCore/private/qtwebenginecoreglobal_p.h>
#include "compositor.h"
#include "base/task/single_thread_task_runner.h"
#include "components/viz/service/display_embedder/skia_output_device.h"
#include "gpu/command_buffer/service/shared_context_state.h"
QT_BEGIN_NAMESPACE
class QQuickWindow;
QT_END_NAMESPACE
namespace QtWebEngineCore {
class DisplaySkiaOutputDevice final : public viz::SkiaOutputDevice, public Compositor
{
public:
DisplaySkiaOutputDevice(scoped_refptr<gpu::SharedContextState> contextState,
bool requiresAlpha,
gpu::MemoryTracker *memoryTracker,
DidSwapBufferCompleteCallback didSwapBufferCompleteCallback);
~DisplaySkiaOutputDevice() override;
// Overridden from SkiaOutputDevice.
void SetFrameSinkId(const viz::FrameSinkId &frame_sink_id) override;
bool Reshape(const SkImageInfo &image_info,
const gfx::ColorSpace &color_space,
int sample_count,
float device_scale_factor,
gfx::OverlayTransform transform) override;
void Present(const absl::optional<gfx::Rect>& update_rect,
BufferPresentedCallback feedback,
viz::OutputSurfaceFrame frame) override;
void EnsureBackbuffer() override;
void DiscardBackbuffer() override;
SkSurface *BeginPaint(std::vector<GrBackendSemaphore> *semaphores) override;
void EndPaint() override;
// Overridden from Compositor.
void swapFrame() override;
void waitForTexture() override;
QSGTexture *texture(QQuickWindow *win, uint32_t texOpts) override;
bool textureIsFlipped() override;
QSize size() override;
bool requiresAlphaChannel() override;
float devicePixelRatio() override;
private:
struct Shape
{
SkImageInfo imageInfo;
float devicePixelRatio;
gfx::ColorSpace colorSpace;
bool operator==(const Shape &that) const
{
return (imageInfo == that.imageInfo &&
devicePixelRatio == that.devicePixelRatio &&
colorSpace == that.colorSpace);
}
bool operator!=(const Shape &that) const { return !(*this == that); }
};
class Buffer;
void SwapBuffersFinished();
mutable QMutex m_mutex;
scoped_refptr<gpu::SharedContextState> m_contextState;
Shape m_shape;
std::unique_ptr<Buffer> m_frontBuffer;
std::unique_ptr<Buffer> m_middleBuffer;
std::unique_ptr<Buffer> m_backBuffer;
viz::OutputSurfaceFrame m_frame;
bool m_readyToUpdate = false;
bool m_requiresAlpha;
scoped_refptr<base::SingleThreadTaskRunner> m_taskRunner;
};
} // namespace QtWebEngineCore
#endif // !DISPLAY_SKIA_OUTPUT_DEVICE_H
|
