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Diffstat (limited to 'src/mesa/shader/nvvertprog.h')
-rw-r--r-- | src/mesa/shader/nvvertprog.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/src/mesa/shader/nvvertprog.h b/src/mesa/shader/nvvertprog.h new file mode 100644 index 00000000000..820b3e5692b --- /dev/null +++ b/src/mesa/shader/nvvertprog.h @@ -0,0 +1,107 @@ +/* + * Mesa 3-D graphics library + * Version: 5.1 + * + * Copyright (C) 1999-2002 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 +}; + + + +/* 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 +}; + + +#endif /* VERTPROG_H */ |