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
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
|
// 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.
#ifndef UI_OZONE_PLATFORM_DRM_GPU_DRM_DEVICE_H_
#define UI_OZONE_PLATFORM_DRM_GPU_DRM_DEVICE_H_
#include <stddef.h>
#include <stdint.h>
#include <memory>
#include <vector>
#include "base/files/file_path.h"
#include "base/functional/callback.h"
#include "base/time/time.h"
#include "third_party/perfetto/include/perfetto/tracing/traced_value_forward.h"
#include "ui/ozone/platform/drm/common/drm_wrapper.h"
#include "ui/ozone/platform/drm/common/scoped_drm_types.h"
#include "ui/ozone/platform/drm/gpu/page_flip_request.h"
namespace ui {
class HardwareDisplayPlaneManager;
class GbmDevice;
class DrmDevice : public DrmWrapper,
public base::RefCountedThreadSafe<DrmDevice> {
public:
using PageFlipCallback =
base::OnceCallback<void(unsigned int /* frame */,
base::TimeTicks /* timestamp */)>;
DrmDevice(const base::FilePath& device_path,
base::ScopedFD fd,
bool is_primary_device,
std::unique_ptr<GbmDevice> gbm_device);
DrmDevice(const DrmDevice&) = delete;
DrmDevice& operator=(const DrmDevice&) = delete;
// Open device.
bool Initialize() override;
bool SetCrtc(uint32_t crtc_id,
uint32_t framebuffer,
std::vector<uint32_t> connectors,
const drmModeModeInfo& mode) override;
// Schedules a pageflip for CRTC |crtc_id|. This function will return
// immediately. Upon completion of the pageflip event, the CRTC will be
// displaying the buffer with ID |framebuffer| and will have a DRM event
// queued on |fd_|.
//
// On success, true is returned and |page_flip_request| will receive a
// callback signalling completion of the flip.
virtual bool PageFlip(uint32_t crtc_id,
uint32_t framebuffer,
scoped_refptr<PageFlipRequest> page_flip_request);
// On success, true is returned and |page_flip_request| will receive a
// callback signalling completion of the flip, if provided.
virtual bool CommitProperties(
drmModeAtomicReq* properties,
uint32_t flags,
uint32_t crtc_count,
scoped_refptr<PageFlipRequest> page_flip_request);
// Adds trace records to |context|.
void WriteIntoTrace(perfetto::TracedDictionary dict) const override;
display::DrmFormatsAndModifiers GetFormatsAndModifiersForCrtc(
uint32_t crtc_id) const override;
virtual int modeset_sequence_id() const;
HardwareDisplayPlaneManager* plane_manager() { return plane_manager_.get(); }
const HardwareDisplayPlaneManager* plane_manager() const {
return plane_manager_.get();
}
GbmDevice* gbm_device() const { return gbm_.get(); }
protected:
friend class base::RefCountedThreadSafe<DrmDevice>;
~DrmDevice() override;
std::unique_ptr<HardwareDisplayPlaneManager> plane_manager_;
private:
class IOWatcher;
class PageFlipManager;
// Sequence ID incremented at each modeset.
// Currently used by DRM Framebuffer to indicate when was the fb initialized
// wrt the preceding modeset.
int modeset_sequence_id_ = 0;
std::unique_ptr<PageFlipManager> page_flip_manager_;
// Watcher for |fd_| listening for page flip events.
std::unique_ptr<IOWatcher> watcher_;
const std::unique_ptr<GbmDevice> gbm_;
};
} // namespace ui
#endif // UI_OZONE_PLATFORM_DRM_GPU_DRM_DEVICE_H_
|
