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
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
|
TGSI Instruction Specification
==============================
==============================
1 Instruction Set Operations
=============================
1.1 GL_NV_vertex_program
-------------------------
1.1.1 ARL - Address Register Load
dst.x = floor(src.x)
1.1.2 MOV - Move
dst.x = src.x
dst.y = src.y
dst.z = src.z
dst.w = src.w
1.1.3 LIT - Light Coefficients
dst.x = 1.0
dst.y = max(src.x, 0.0)
dst.z = (src.x > 0.0) ? pow(max(src.y, 0.0), clamp(src.w, -128.0, 128.0)) : 0.0
dst.w = 1.0
1.1.4 RCP - Reciprocal
dst.x = 1.0 / src.x
dst.y = 1.0 / src.x
dst.z = 1.0 / src.x
dst.w = 1.0 / src.x
1.1.5 RSQ - Reciprocal Square Root
dst.x = 1.0 / sqrt(abs(src.x))
dst.y = 1.0 / sqrt(abs(src.x))
dst.z = 1.0 / sqrt(abs(src.x))
dst.w = 1.0 / sqrt(abs(src.x))
1.1.6 EXP - Exponential Base 2
dst.x = pow(2.0, floor(src.x))
dst.y = src.x - floor(src.x)
dst.z = pow(2.0, src.x)
dst.w = 1.0
1.1.7 LOG - Logarithm Base 2
dst.x = floor(lg2(abs(src.x)))
dst.y = abs(src.x) / pow(2.0, floor(lg2(abs(src.x))))
dst.z = lg2(abs(src.x))
dst.w = 1.0
1.1.8 MUL - Multiply
dst.x = src0.x * src1.x
dst.y = src0.y * src1.y
dst.z = src0.z * src1.z
dst.w = src0.w * src1.w
1.1.9 ADD - Add
dst.x = src0.x + src1.x
dst.y = src0.y + src1.y
dst.z = src0.z + src1.z
dst.w = src0.w + src1.w
1.1.10 DP3 - 3-component Dot Product
dst.x = src0.x * src1.x + src0.y * src1.y + src0.z * src1.z
dst.y = src0.x * src1.x + src0.y * src1.y + src0.z * src1.z
dst.z = src0.x * src1.x + src0.y * src1.y + src0.z * src1.z
dst.w = src0.x * src1.x + src0.y * src1.y + src0.z * src1.z
1.1.11 DP4 - 4-component Dot Product
dst.x = src0.x * src1.x + src0.y * src1.y + src0.z * src1.z + src0.w * src1.w
dst.y = src0.x * src1.x + src0.y * src1.y + src0.z * src1.z + src0.w * src1.w
dst.z = src0.x * src1.x + src0.y * src1.y + src0.z * src1.z + src0.w * src1.w
dst.w = src0.x * src1.x + src0.y * src1.y + src0.z * src1.z + src0.w * src1.w
1.1.12 DST - Distance Vector
dst.x = 1.0
dst.y = src0.y * src1.y
dst.z = src0.z
dst.w = src1.w
1.1.13 MIN - Minimum
dst.x = min(src0.x, src1.x)
dst.y = min(src0.y, src1.y)
dst.z = min(src0.z, src1.z)
dst.w = min(src0.w, src1.w)
1.1.14 MAX - Maximum
dst.x = max(src0.x, src1.x)
dst.y = max(src0.y, src1.y)
dst.z = max(src0.z, src1.z)
dst.w = max(src0.w, src1.w)
1.1.15 SLT - Set On Less Than
dst.x = (src0.x < src1.x) ? 1.0 : 0.0
dst.y = (src0.y < src1.y) ? 1.0 : 0.0
dst.z = (src0.z < src1.z) ? 1.0 : 0.0
dst.w = (src0.w < src1.w) ? 1.0 : 0.0
1.1.16 SGE - Set On Greater Equal Than
dst.x = (src0.x >= src1.x) ? 1.0 : 0.0
dst.y = (src0.y >= src1.y) ? 1.0 : 0.0
dst.z = (src0.z >= src1.z) ? 1.0 : 0.0
dst.w = (src0.w >= src1.w) ? 1.0 : 0.0
1.1.17 MAD - Multiply And Add
dst.x = src0.x * src1.x + src2.x
dst.y = src0.y * src1.y + src2.y
dst.z = src0.z * src1.z + src2.z
dst.w = src0.w * src1.w + src2.w
1.2 GL_ATI_fragment_shader
---------------------------
1.2.1 SUB - Subtract
dst.x = src0.x - src1.x
dst.y = src0.y - src1.y
dst.z = src0.z - src1.z
dst.w = src0.w - src1.w
1.2.2 DOT3 - 3-component Dot Product
Alias for DP3.
1.2.3 DOT4 - 4-component Dot Product
Alias for DP4.
1.2.4 LERP - Linear Interpolate
dst.x = src0.x * (src1.x - src2.x) + src2.x
dst.y = src0.y * (src1.y - src2.y) + src2.y
dst.z = src0.z * (src1.z - src2.z) + src2.z
dst.w = src0.w * (src1.w - src2.w) + src2.w
1.2.5 CND - Condition
dst.x = (src2.x > 0.5) ? src0.x : src1.x
dst.y = (src2.y > 0.5) ? src0.y : src1.y
dst.z = (src2.z > 0.5) ? src0.z : src1.z
dst.w = (src2.w > 0.5) ? src0.w : src1.w
1.2.6 CND0 - Condition Zero
dst.x = (src2.x >= 0.0) ? src0.x : src1.x
dst.y = (src2.y >= 0.0) ? src0.y : src1.y
dst.z = (src2.z >= 0.0) ? src0.z : src1.z
dst.w = (src2.w >= 0.0) ? src0.w : src1.w
1.2.7 DOT2ADD - 2-component Dot Product And Add
dst.x = src0.x * src1.x + src0.y * src1.y + src2.x
dst.y = src0.x * src1.x + src0.y * src1.y + src2.x
dst.z = src0.x * src1.x + src0.y * src1.y + src2.x
dst.w = src0.x * src1.x + src0.y * src1.y + src2.x
|
