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
|
/*
* Mesa 3-D graphics library
* Version: 6.3
*
* Copyright (C) 1999-2004 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/* Private vertex program types and constants only used by files
* related to vertex programs.
*
* XXX TO-DO: Rename this file "vertprog.h" since it's not NV-specific.
*/
#ifndef NVVERTPROG_H
#define NVVERTPROG_H
/* Vertex program opcodes */
enum vp_opcode
{
VP_OPCODE_MOV,
VP_OPCODE_LIT,
VP_OPCODE_RCP,
VP_OPCODE_RSQ,
VP_OPCODE_EXP,
VP_OPCODE_LOG,
VP_OPCODE_MUL,
VP_OPCODE_ADD,
VP_OPCODE_DP3,
VP_OPCODE_DP4,
VP_OPCODE_DST,
VP_OPCODE_MIN,
VP_OPCODE_MAX,
VP_OPCODE_SLT,
VP_OPCODE_SGE,
VP_OPCODE_MAD,
VP_OPCODE_ARL,
VP_OPCODE_DPH,
VP_OPCODE_RCC,
VP_OPCODE_SUB,
VP_OPCODE_ABS,
VP_OPCODE_END,
/* Additional opcodes for GL_ARB_vertex_program */
VP_OPCODE_FLR,
VP_OPCODE_FRC,
VP_OPCODE_EX2,
VP_OPCODE_LG2,
VP_OPCODE_POW,
VP_OPCODE_XPD,
VP_OPCODE_SWZ,
/* Special Mesa opcodes */
VP_OPCODE_PRINT
};
/* Instruction source register */
struct vp_src_register
{
enum register_file File; /* which register file */
GLint Index; /* index into register file */
GLubyte Swizzle[4]; /* Each value is 0,1,2,3 for x,y,z,w or */
/* SWIZZLE_ZERO or SWIZZLE_ONE for VP_OPCODE_SWZ. */
GLboolean Negate;
GLboolean RelAddr;
};
/* Instruction destination register */
struct vp_dst_register
{
enum register_file File; /* which register file */
GLint Index; /* index into register file */
GLboolean WriteMask[4];
};
/* Vertex program instruction */
struct vp_instruction
{
enum vp_opcode Opcode;
struct vp_src_register SrcReg[3];
struct vp_dst_register DstReg;
#if FEATURE_MESA_program_debug
GLint StringPos;
#endif
void *Data; /* some arbitrary data, only used for PRINT instruction now */
};
#endif /* VERTPROG_H */
|
