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
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
|
// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <array>
#include <string>
#include "common/common_types.h"
#include "core/hle/result.h"
#include "core/hle/service/service.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// Namespace Y2R_U
namespace Y2R_U {
enum class InputFormat : u8 {
/// 8-bit input, with YUV components in separate planes and 4:2:2 subsampling.
YUV422_Indiv8 = 0,
/// 8-bit input, with YUV components in separate planes and 4:2:0 subsampling.
YUV420_Indiv8 = 1,
/// 16-bit input (only LSB used), with YUV components in separate planes and 4:2:2 subsampling.
YUV422_Indiv16 = 2,
/// 16-bit input (only LSB used), with YUV components in separate planes and 4:2:0 subsampling.
YUV420_Indiv16 = 3,
/// 8-bit input, with a single interleaved stream in YUYV format and 4:2:2 subsampling.
YUYV422_Interleaved = 4,
};
enum class OutputFormat : u8 {
RGBA8 = 0,
RGB8 = 1,
RGB5A1 = 2,
RGB565 = 3,
};
enum class Rotation : u8 {
None = 0,
Clockwise_90 = 1,
Clockwise_180 = 2,
Clockwise_270 = 3,
};
enum class BlockAlignment : u8 {
/// Image is output in linear format suitable for use as a framebuffer.
Linear = 0,
/// Image is output in tiled PICA format, suitable for use as a texture.
Block8x8 = 1,
};
enum class StandardCoefficient : u8 {
/// ITU Rec. BT.601 primaries, with PC ranges.
ITU_Rec601 = 0,
/// ITU Rec. BT.709 primaries, with PC ranges.
ITU_Rec709 = 1,
/// ITU Rec. BT.601 primaries, with TV ranges.
ITU_Rec601_Scaling = 2,
/// ITU Rec. BT.709 primaries, with TV ranges.
ITU_Rec709_Scaling = 3,
};
/**
* A set of coefficients configuring the RGB to YUV conversion. Coefficients 0-4 are unsigned 2.8
* fixed pointer numbers representing entries on the conversion matrix, while coefficient 5-7 are
* signed 11.5 fixed point numbers added as offsets to the RGB result.
*
* The overall conversion process formula is:
* ```
* R = trunc((c_0 * Y + c_1 * V) + c_5 + 0.75)
* G = trunc((c_0 * Y - c_3 * U - c_2 * V) + c_6 + 0.75)
* B = trunc((c_0 * Y + c_4 * U ) + c_7 + 0.75)
* ```
*/
using CoefficientSet = std::array<s16, 8>;
struct ConversionBuffer {
/// Current reading/writing address of this buffer.
VAddr address;
/// Remaining amount of bytes to be DMAed, does not include the inter-trasfer gap.
u32 image_size;
/// Size of a single DMA transfer.
u16 transfer_unit;
/// Amount of bytes to be skipped between copying each `transfer_unit` bytes.
u16 gap;
};
struct ConversionConfiguration {
InputFormat input_format;
OutputFormat output_format;
Rotation rotation;
BlockAlignment block_alignment;
u16 input_line_width;
u16 input_lines;
CoefficientSet coefficients;
u8 padding;
u16 alpha;
/// Input parameters for the Y (luma) plane
ConversionBuffer src_Y, src_U, src_V, src_YUYV;
/// Output parameters for the conversion results
ConversionBuffer dst;
ResultCode SetInputLineWidth(u16 width);
ResultCode SetInputLines(u16 lines);
ResultCode SetStandardCoefficient(StandardCoefficient standard_coefficient);
};
struct DitheringWeightParams {
u16 w0_xEven_yEven;
u16 w0_xOdd_yEven;
u16 w0_xEven_yOdd;
u16 w0_xOdd_yOdd;
u16 w1_xEven_yEven;
u16 w1_xOdd_yEven;
u16 w1_xEven_yOdd;
u16 w1_xOdd_yOdd;
u16 w2_xEven_yEven;
u16 w2_xOdd_yEven;
u16 w2_xEven_yOdd;
u16 w2_xOdd_yOdd;
u16 w3_xEven_yEven;
u16 w3_xOdd_yEven;
u16 w3_xEven_yOdd;
u16 w3_xOdd_yOdd;
};
class Interface : public Service::Interface {
public:
Interface();
~Interface() override;
std::string GetPortName() const override {
return "y2r:u";
}
};
} // namespace
|
