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
141
142
143
144
145
146
147
148
149
150
151
152
|
// Copyright 2018 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include "common/bit_field.h"
#include "common/common_funcs.h"
#include "common/common_types.h"
namespace Tegra::Shader {
enum class OutputTopology : u32 {
PointList = 1,
LineStrip = 6,
TriangleStrip = 7,
};
enum class AttributeUse : u8 {
Unused = 0,
Constant = 1,
Perspective = 2,
ScreenLinear = 3,
};
// Documentation in:
// http://download.nvidia.com/open-gpu-doc/Shader-Program-Header/1/Shader-Program-Header.html#ImapTexture
struct Header {
union {
BitField<0, 5, u32> sph_type;
BitField<5, 5, u32> version;
BitField<10, 4, u32> shader_type;
BitField<14, 1, u32> mrt_enable;
BitField<15, 1, u32> kills_pixels;
BitField<16, 1, u32> does_global_store;
BitField<17, 4, u32> sass_version;
BitField<21, 5, u32> reserved;
BitField<26, 1, u32> does_load_or_store;
BitField<27, 1, u32> does_fp64;
BitField<28, 4, u32> stream_out_mask;
} common0;
union {
BitField<0, 24, u32> shader_local_memory_low_size;
BitField<24, 8, u32> per_patch_attribute_count;
} common1;
union {
BitField<0, 24, u32> shader_local_memory_high_size;
BitField<24, 8, u32> threads_per_input_primitive;
} common2;
union {
BitField<0, 24, u32> shader_local_memory_crs_size;
BitField<24, 4, OutputTopology> output_topology;
BitField<28, 4, u32> reserved;
} common3;
union {
BitField<0, 12, u32> max_output_vertices;
BitField<12, 8, u32> store_req_start; // NOTE: not used by geometry shaders.
BitField<24, 4, u32> reserved;
BitField<12, 8, u32> store_req_end; // NOTE: not used by geometry shaders.
} common4;
union {
struct {
INSERT_PADDING_BYTES(3); // ImapSystemValuesA
INSERT_PADDING_BYTES(1); // ImapSystemValuesB
INSERT_PADDING_BYTES(16); // ImapGenericVector[32]
INSERT_PADDING_BYTES(2); // ImapColor
union {
BitField<0, 8, u16> clip_distances;
BitField<8, 1, u16> point_sprite_s;
BitField<9, 1, u16> point_sprite_t;
BitField<10, 1, u16> fog_coordinate;
BitField<12, 1, u16> tessellation_eval_point_u;
BitField<13, 1, u16> tessellation_eval_point_v;
BitField<14, 1, u16> instance_id;
BitField<15, 1, u16> vertex_id;
};
INSERT_PADDING_BYTES(5); // ImapFixedFncTexture[10]
INSERT_PADDING_BYTES(1); // ImapReserved
INSERT_PADDING_BYTES(3); // OmapSystemValuesA
INSERT_PADDING_BYTES(1); // OmapSystemValuesB
INSERT_PADDING_BYTES(16); // OmapGenericVector[32]
INSERT_PADDING_BYTES(2); // OmapColor
INSERT_PADDING_BYTES(2); // OmapSystemValuesC
INSERT_PADDING_BYTES(5); // OmapFixedFncTexture[10]
INSERT_PADDING_BYTES(1); // OmapReserved
} vtg;
struct {
INSERT_PADDING_BYTES(3); // ImapSystemValuesA
INSERT_PADDING_BYTES(1); // ImapSystemValuesB
union {
BitField<0, 2, AttributeUse> x;
BitField<2, 2, AttributeUse> y;
BitField<4, 2, AttributeUse> w;
BitField<6, 2, AttributeUse> z;
u8 raw;
} imap_generic_vector[32];
INSERT_PADDING_BYTES(2); // ImapColor
INSERT_PADDING_BYTES(2); // ImapSystemValuesC
INSERT_PADDING_BYTES(10); // ImapFixedFncTexture[10]
INSERT_PADDING_BYTES(2); // ImapReserved
struct {
u32 target;
union {
BitField<0, 1, u32> sample_mask;
BitField<1, 1, u32> depth;
BitField<2, 30, u32> reserved;
};
} omap;
bool IsColorComponentOutputEnabled(u32 render_target, u32 component) const {
const u32 bit = render_target * 4 + component;
return omap.target & (1 << bit);
}
AttributeUse GetAttributeIndexUse(u32 attribute, u32 index) const {
return static_cast<AttributeUse>(
(imap_generic_vector[attribute].raw >> (index * 2)) & 0x03);
}
AttributeUse GetAttributeUse(u32 attribute) const {
AttributeUse result = AttributeUse::Unused;
for (u32 i = 0; i < 4; i++) {
const auto index = GetAttributeIndexUse(attribute, i);
if (index == AttributeUse::Unused) {
continue;
}
if (result == AttributeUse::Unused || result == index) {
result = index;
continue;
}
LOG_CRITICAL(HW_GPU, "Generic Attribute Conflict in Interpolation Mode");
if (index == AttributeUse::Perspective) {
result = index;
}
}
return result;
}
} ps;
};
u64 GetLocalMemorySize() const {
return (common1.shader_local_memory_low_size |
(common2.shader_local_memory_high_size << 24));
}
};
static_assert(sizeof(Header) == 0x50, "Incorrect structure size");
} // namespace Tegra::Shader
|
