2 * Mesa 3-D graphics library
5 * Copyright (C) 1999-2004 Brian Paul All Rights Reserved.
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included
15 * in all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
21 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 /* Private vertex program types and constants only used by files
27 * related to vertex programs.
29 * XXX TO-DO: Rename this file "vertprog.h" since it's not NV-specific.
37 /* Vertex program opcodes */
62 /* Additional opcodes for GL_ARB_vertex_program */
70 /* Special Mesa opcodes */
76 /* Instruction source register */
77 struct vp_src_register
79 enum register_file File
; /* which register file */
80 GLint Index
; /* index into register file */
81 GLubyte Swizzle
[4]; /* Each value is 0,1,2,3 for x,y,z,w or */
82 /* SWIZZLE_ZERO or SWIZZLE_ONE for VP_OPCODE_SWZ. */
88 /* Instruction destination register */
89 struct vp_dst_register
91 enum register_file File
; /* which register file */
92 GLint Index
; /* index into register file */
93 GLboolean WriteMask
[4];
97 /* Vertex program instruction */
100 enum vp_opcode Opcode
;
101 struct vp_src_register SrcReg
[3];
102 struct vp_dst_register DstReg
;
103 #if FEATURE_MESA_program_debug
106 void *Data
; /* some arbitrary data, only used for PRINT instruction now */
110 #endif /* VERTPROG_H */