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
|
// Copyright 2018 The Amber Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef SRC_FORMAT_H_
#define SRC_FORMAT_H_
#include <cstdint>
#include <vector>
#include "src/format_data.h"
namespace amber {
/// The format class describes requested image formats. (eg. R8G8B8A8_UINT).
class Format {
public:
/// Describes an individual component of a format.
struct Component {
Component(FormatComponentType t, FormatMode m, uint8_t bits)
: type(t), mode(m), num_bits(bits) {}
FormatComponentType type;
FormatMode mode;
uint8_t num_bits;
};
Format();
Format(const Format&);
~Format();
void SetFormatType(FormatType type) { type_ = type; }
FormatType GetFormatType() const { return type_; }
/// Set the number of bytes this format is packed into, if provided.
void SetPackSize(uint8_t size_in_bytes) {
pack_size_in_bytes_ = size_in_bytes;
}
/// Retrieves the number of bytes this format is packed into.
uint8_t GetPackSize() const { return pack_size_in_bytes_; }
void AddComponent(FormatComponentType type, FormatMode mode, uint8_t bits) {
components_.emplace_back(type, mode, bits);
}
const std::vector<Component>& GetComponents() const { return components_; }
uint32_t GetByteSize() const {
uint32_t bits = 0;
for (uint32_t j = 0; j < components_.size(); ++j) {
bits += components_[j].num_bits;
}
return bits / 8;
}
private:
FormatType type_;
uint8_t pack_size_in_bytes_ = 0;
std::vector<Component> components_;
};
} // namespace amber
#endif // SRC_FORMAT_H_
|
