1 /*
2 * Copyright (C) 2009 Nicolai Haehnle.
3 *
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining
7 * a copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sublicense, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial
16 * portions of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
21 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
22 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
23 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
24 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 */
27
28 #ifndef RADEON_PROGRAM_CONSTANTS_H
29 #define RADEON_PROGRAM_CONSTANTS_H
30
31 typedef enum {
32 RC_SATURATE_NONE = 0,
33 RC_SATURATE_ZERO_ONE,
34 RC_SATURATE_MINUS_PLUS_ONE
35 } rc_saturate_mode;
36
37 typedef enum {
38 RC_TEXTURE_2D_ARRAY,
39 RC_TEXTURE_1D_ARRAY,
40 RC_TEXTURE_CUBE,
41 RC_TEXTURE_3D,
42 RC_TEXTURE_RECT,
43 RC_TEXTURE_2D,
44 RC_TEXTURE_1D
45 } rc_texture_target;
46
47 typedef enum {
48 /**
49 * Used to indicate unused register descriptions and
50 * source register that use a constant swizzle.
51 */
52 RC_FILE_NONE = 0,
53 RC_FILE_TEMPORARY,
54
55 /**
56 * Input register.
57 *
58 * \note The compiler attaches no implicit semantics to input registers.
59 * Fragment/vertex program specific semantics must be defined explicitly
60 * using the appropriate compiler interfaces.
61 */
62 RC_FILE_INPUT,
63
64 /**
65 * Output register.
66 *
67 * \note The compiler attaches no implicit semantics to input registers.
68 * Fragment/vertex program specific semantics must be defined explicitly
69 * using the appropriate compiler interfaces.
70 */
71 RC_FILE_OUTPUT,
72 RC_FILE_ADDRESS,
73
74 /**
75 * Indicates a constant from the \ref rc_constant_list .
76 */
77 RC_FILE_CONSTANT,
78
79 /**
80 * Indicates a special register, see RC_SPECIAL_xxx.
81 */
82 RC_FILE_SPECIAL,
83
84 /**
85 * Indicates this register should use the result of the presubtract
86 * operation.
87 */
88 RC_FILE_PRESUB,
89
90 /**
91 * Indicates that the source index has been encoded as a 7-bit float.
92 */
93 RC_FILE_INLINE
94 } rc_register_file;
95
96 enum {
97 /** R500 fragment program ALU result "register" */
98 RC_SPECIAL_ALU_RESULT = 0,
99
100 /** Must be last */
101 RC_NUM_SPECIAL_REGISTERS
102 };
103
104 #define RC_REGISTER_INDEX_BITS 10
105 #define RC_REGISTER_MAX_INDEX (1 << RC_REGISTER_INDEX_BITS)
106
107 typedef enum {
108 RC_SWIZZLE_X = 0,
109 RC_SWIZZLE_Y,
110 RC_SWIZZLE_Z,
111 RC_SWIZZLE_W,
112 RC_SWIZZLE_ZERO,
113 RC_SWIZZLE_ONE,
114 RC_SWIZZLE_HALF,
115 RC_SWIZZLE_UNUSED
116 } rc_swizzle;
117
118 #define RC_MAKE_SWIZZLE(a,b,c,d) (((a)<<0) | ((b)<<3) | ((c)<<6) | ((d)<<9))
119 #define RC_MAKE_SWIZZLE_SMEAR(a) RC_MAKE_SWIZZLE((a),(a),(a),(a))
120 #define GET_SWZ(swz, idx) (((swz) >> ((idx)*3)) & 0x7)
121 #define GET_BIT(msk, idx) (((msk) >> (idx)) & 0x1)
122 #define SET_SWZ(swz, idx, newv) \
123 do { \
124 (swz) = ((swz) & ~(7 << ((idx)*3))) | ((newv) << ((idx)*3)); \
125 } while(0)
126
127 #define RC_SWIZZLE_XYZW RC_MAKE_SWIZZLE(RC_SWIZZLE_X, RC_SWIZZLE_Y, RC_SWIZZLE_Z, RC_SWIZZLE_W)
128 #define RC_SWIZZLE_XYZ0 RC_MAKE_SWIZZLE(RC_SWIZZLE_X, RC_SWIZZLE_Y, RC_SWIZZLE_Z, RC_SWIZZLE_ZERO)
129 #define RC_SWIZZLE_XYZZ RC_MAKE_SWIZZLE(RC_SWIZZLE_X, RC_SWIZZLE_Y, RC_SWIZZLE_Z, RC_SWIZZLE_Z)
130 #define RC_SWIZZLE_XXXX RC_MAKE_SWIZZLE_SMEAR(RC_SWIZZLE_X)
131 #define RC_SWIZZLE_YYYY RC_MAKE_SWIZZLE_SMEAR(RC_SWIZZLE_Y)
132 #define RC_SWIZZLE_ZZZZ RC_MAKE_SWIZZLE_SMEAR(RC_SWIZZLE_Z)
133 #define RC_SWIZZLE_WWWW RC_MAKE_SWIZZLE_SMEAR(RC_SWIZZLE_W)
134 #define RC_SWIZZLE_0000 RC_MAKE_SWIZZLE_SMEAR(RC_SWIZZLE_ZERO)
135 #define RC_SWIZZLE_1111 RC_MAKE_SWIZZLE_SMEAR(RC_SWIZZLE_ONE)
136 #define RC_SWIZZLE_HHHH RC_MAKE_SWIZZLE_SMEAR(RC_SWIZZLE_HALF)
137 #define RC_SWIZZLE_UUUU RC_MAKE_SWIZZLE_SMEAR(RC_SWIZZLE_UNUSED)
138
139 /**
140 * \name Bitmasks for components of vectors.
141 *
142 * Used for write masks, negation masks, etc.
143 */
144 /*@{*/
145 #define RC_MASK_NONE 0
146 #define RC_MASK_X 1
147 #define RC_MASK_Y 2
148 #define RC_MASK_Z 4
149 #define RC_MASK_W 8
150 #define RC_MASK_XY (RC_MASK_X|RC_MASK_Y)
151 #define RC_MASK_XYZ (RC_MASK_X|RC_MASK_Y|RC_MASK_Z)
152 #define RC_MASK_XYW (RC_MASK_X|RC_MASK_Y|RC_MASK_W)
153 #define RC_MASK_XYZW (RC_MASK_X|RC_MASK_Y|RC_MASK_Z|RC_MASK_W)
154 /*@}*/
155
156 typedef enum {
157 RC_ALURESULT_NONE = 0,
158 RC_ALURESULT_X,
159 RC_ALURESULT_W
160 } rc_write_aluresult;
161
162 typedef enum {
163 RC_PRESUB_NONE = 0,
164
165 /** 1 - 2 * src0 */
166 RC_PRESUB_BIAS,
167
168 /** src1 - src0 */
169 RC_PRESUB_SUB,
170
171 /** src1 + src0 */
172 RC_PRESUB_ADD,
173
174 /** 1 - src0 */
175 RC_PRESUB_INV
176 } rc_presubtract_op;
177
178 typedef enum {
179 RC_OMOD_MUL_1,
180 RC_OMOD_MUL_2,
181 RC_OMOD_MUL_4,
182 RC_OMOD_MUL_8,
183 RC_OMOD_DIV_2,
184 RC_OMOD_DIV_4,
185 RC_OMOD_DIV_8,
186 RC_OMOD_DISABLE
187 } rc_omod_op;
188
rc_presubtract_src_reg_count(rc_presubtract_op op)189 static inline int rc_presubtract_src_reg_count(rc_presubtract_op op){
190 switch(op){
191 case RC_PRESUB_BIAS:
192 case RC_PRESUB_INV:
193 return 1;
194 case RC_PRESUB_ADD:
195 case RC_PRESUB_SUB:
196 return 2;
197 default:
198 return 0;
199 }
200 }
201
202 #define RC_SOURCE_NONE 0x0
203 #define RC_SOURCE_RGB 0x1
204 #define RC_SOURCE_ALPHA 0x2
205
206 typedef enum {
207 RC_PRED_DISABLED,
208 RC_PRED_SET,
209 RC_PRED_INV
210 } rc_predicate_mode;
211
212 #endif /* RADEON_PROGRAM_CONSTANTS_H */
213