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/*
* 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_ABS,
VP_OPCODE_ADD,
VP_OPCODE_ARL,
VP_OPCODE_DP3,
VP_OPCODE_DP4,
VP_OPCODE_DPH,
VP_OPCODE_DST,
VP_OPCODE_END, /* Placeholder */
VP_OPCODE_EX2, /* ARB only */
VP_OPCODE_EXP,
VP_OPCODE_FLR, /* ARB */
VP_OPCODE_FRC, /* ARB */
VP_OPCODE_LG2, /* ARB only */
VP_OPCODE_LIT,
VP_OPCODE_LOG,
VP_OPCODE_MAD,
VP_OPCODE_MAX,
VP_OPCODE_MIN,
VP_OPCODE_MOV,
VP_OPCODE_MUL,
VP_OPCODE_POW, /* ARB only */
VP_OPCODE_PRINT, /* Mesa only */
VP_OPCODE_RCC,
VP_OPCODE_RCP,
VP_OPCODE_RSQ,
VP_OPCODE_SGE,
VP_OPCODE_SLT,
VP_OPCODE_SUB,
VP_OPCODE_SWZ, /* ARB only */
VP_OPCODE_XPD /* ARB only */
};
/* Instruction source register */
struct vp_src_register
{
GLuint File:4;
GLuint Index:8;
GLuint Swizzle:12;
GLuint Negate:4; /* ARB requires component-wise negation. */
GLuint RelAddr:1;
GLuint pad:3;
};
/* Instruction destination register */
struct vp_dst_register
{
GLuint File:4;
GLuint Index:8;
GLuint WriteMask:4;
GLuint pad:16;
};
/* Vertex program instruction */
struct vp_instruction
{
GLshort Opcode;
#if FEATURE_MESA_program_debug
GLshort StringPos;
#endif
void *Data; /* some arbitrary data, only used for PRINT instruction now */
struct vp_src_register SrcReg[3];
struct vp_dst_register DstReg;
};
#endif /* VERTPROG_H */
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