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
|
/*
* Copyright (C) 2024 Igalia S.L.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#if USE(COORDINATED_GRAPHICS) && USE(GBM)
#include "IntSize.h"
#include <optional>
#include <wtf/ThreadSafeRefCounted.h>
#include <wtf/Vector.h>
#include <wtf/unix/UnixFileDescriptor.h>
namespace WebCore {
class CoordinatedPlatformLayerBuffer;
struct DMABufBufferAttributes {
IntSize size;
uint32_t fourcc { 0 };
Vector<WTF::UnixFileDescriptor> fds;
Vector<uint32_t> offsets;
Vector<uint32_t> strides;
uint64_t modifier { 0 };
};
class DMABufBuffer final : public ThreadSafeRefCounted<DMABufBuffer> {
public:
using Attributes = DMABufBufferAttributes;
static Ref<DMABufBuffer> create(const IntSize& size, uint32_t fourcc, Vector<WTF::UnixFileDescriptor>&& fds, Vector<uint32_t>&& offsets, Vector<uint32_t>&& strides, uint64_t modifier)
{
return adoptRef(*new DMABufBuffer(size, fourcc, WTFMove(fds), WTFMove(offsets), WTFMove(strides), modifier));
}
static Ref<DMABufBuffer> create(uint64_t id, Attributes&& attributes)
{
return adoptRef(*new DMABufBuffer(id, WTFMove(attributes)));
}
~DMABufBuffer();
uint64_t id() const { return m_id; }
const Attributes& attributes() const { return m_attributes; }
std::optional<Attributes> takeAttributes();
enum class ColorSpace : uint8_t { BT601, BT709, BT2020, SMPTE240M };
std::optional<ColorSpace> colorSpace() const { return m_colorSpace; }
void setColorSpace(ColorSpace colorSpace) { m_colorSpace = colorSpace; }
CoordinatedPlatformLayerBuffer* buffer() const { return m_buffer.get(); }
void setBuffer(std::unique_ptr<CoordinatedPlatformLayerBuffer>&&);
private:
DMABufBuffer(const IntSize&, uint32_t fourcc, Vector<WTF::UnixFileDescriptor>&&, Vector<uint32_t>&&, Vector<uint32_t>&&, uint64_t modifier);
DMABufBuffer(uint64_t id, Attributes&&);
uint64_t m_id { 0 };
Attributes m_attributes;
std::optional<ColorSpace> m_colorSpace;
std::unique_ptr<CoordinatedPlatformLayerBuffer> m_buffer;
};
} // namespace WebCore
#endif // USE(COORDINATED_GRAPHICS) && USE(GBM)
|
