| Michal Krol | 2861e73 | 2004-03-29 11:09:34 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Mesa 3-D graphics library |
| 3 | * Version: 5.1 |
| 4 | * |
| 5 | * Copyright (C) 1999-2002 Brian Paul All Rights Reserved. |
| 6 | * |
| 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: |
| 13 | * |
| 14 | * The above copyright notice and this permission notice shall be included |
| 15 | * in all copies or substantial portions of the Software. |
| 16 | * |
| 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. |
| 23 | */ |
| 24 | |
| 25 | |
| 26 | /* Private vertex program types and constants only used by files |
| 27 | * related to vertex programs. |
| 28 | * |
| 29 | * XXX TO-DO: Rename this file "vertprog.h" since it's not NV-specific. |
| 30 | */ |
| 31 | |
| 32 | |
| 33 | #ifndef NVVERTPROG_H |
| 34 | #define NVVERTPROG_H |
| 35 | |
| 36 | |
| 37 | /* Vertex program opcodes */ |
| 38 | enum vp_opcode |
| 39 | { |
| 40 | VP_OPCODE_MOV, |
| 41 | VP_OPCODE_LIT, |
| 42 | VP_OPCODE_RCP, |
| 43 | VP_OPCODE_RSQ, |
| 44 | VP_OPCODE_EXP, |
| 45 | VP_OPCODE_LOG, |
| 46 | VP_OPCODE_MUL, |
| 47 | VP_OPCODE_ADD, |
| 48 | VP_OPCODE_DP3, |
| 49 | VP_OPCODE_DP4, |
| 50 | VP_OPCODE_DST, |
| 51 | VP_OPCODE_MIN, |
| 52 | VP_OPCODE_MAX, |
| 53 | VP_OPCODE_SLT, |
| 54 | VP_OPCODE_SGE, |
| 55 | VP_OPCODE_MAD, |
| 56 | VP_OPCODE_ARL, |
| 57 | VP_OPCODE_DPH, |
| 58 | VP_OPCODE_RCC, |
| 59 | VP_OPCODE_SUB, |
| 60 | VP_OPCODE_ABS, |
| 61 | VP_OPCODE_END, |
| 62 | /* Additional opcodes for GL_ARB_vertex_program */ |
| 63 | VP_OPCODE_FLR, |
| 64 | VP_OPCODE_FRC, |
| 65 | VP_OPCODE_EX2, |
| 66 | VP_OPCODE_LG2, |
| 67 | VP_OPCODE_POW, |
| 68 | VP_OPCODE_XPD, |
| 69 | VP_OPCODE_SWZ |
| 70 | }; |
| 71 | |
| 72 | |
| 73 | |
| 74 | /* Instruction source register */ |
| 75 | struct vp_src_register |
| 76 | { |
| 77 | enum register_file File; /* which register file */ |
| 78 | GLint Index; /* index into register file */ |
| 79 | GLubyte Swizzle[4]; /* Each value is 0,1,2,3 for x,y,z,w or */ |
| 80 | /* SWIZZLE_ZERO or SWIZZLE_ONE for VP_OPCODE_SWZ. */ |
| 81 | GLboolean Negate; |
| 82 | GLboolean RelAddr; |
| 83 | }; |
| 84 | |
| 85 | |
| 86 | /* Instruction destination register */ |
| 87 | struct vp_dst_register |
| 88 | { |
| 89 | enum register_file File; /* which register file */ |
| 90 | GLint Index; /* index into register file */ |
| 91 | GLboolean WriteMask[4]; |
| 92 | }; |
| 93 | |
| 94 | |
| 95 | /* Vertex program instruction */ |
| 96 | struct vp_instruction |
| 97 | { |
| 98 | enum vp_opcode Opcode; |
| 99 | struct vp_src_register SrcReg[3]; |
| 100 | struct vp_dst_register DstReg; |
| 101 | #if FEATURE_MESA_program_debug |
| 102 | GLint StringPos; |
| 103 | #endif |
| 104 | }; |
| 105 | |
| 106 | |
| 107 | #endif /* VERTPROG_H */ |