src/mesa/main/nvfragprog.h

   1 /* $Id: nvfragprog.h,v 1.1 2003/01/14 04:55:46 brianp Exp $ */
   2
   3 /*
   4  * Mesa 3-D graphics library
   5  * Version:  5.1
   6  *
   7  * Copyright (C) 1999-2003  Brian Paul   All Rights Reserved.
   8  *
   9  * Permission is hereby granted, free of charge, to any person obtaining a
  10  * copy of this software and associated documentation files (the "Software"),
  11  * to deal in the Software without restriction, including without limitation
  12  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  13  * and/or sell copies of the Software, and to permit persons to whom the
  14  * Software is furnished to do so, subject to the following conditions:
  15  *
  16  * The above copyright notice and this permission notice shall be included
  17  * in all copies or substantial portions of the Software.
  18  *
  19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  20  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  21  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  22  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  23  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  24  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  */
  26
  27
  28 /* Private vertex program types and constants only used by files
  29  * related to vertex programs.
  30  */
  31
  32
  33 #ifndef NVFRAGPROG_H
  34 #define NVFRAGPROG_H
  35
  36 #include "config.h"
  37
  38
  39 /* Location of register sets within the whole register file */
  40 #define FP_INPUT_REG_START  0
  41 #define FP_INPUT_REG_END    (FP_INPUT_REG_START + MAX_NV_FRAGMENT_PROGRAM_INPUTS - 1)
  42 #define FP_OUTPUT_REG_START (FP_INPUT_REG_END + 1)
  43 #define FP_OUTPUT_REG_END   (FP_OUTPUT_REG_START + MAX_NV_FRAGMENT_PROGRAM_OUTPUTS - 1)
  44 #define FP_TEMP_REG_START   (FP_OUTPUT_REG_END + 1)
  45 #define FP_TEMP_REG_END     (FP_TEMP_REG_START + MAX_NV_FRAGMENT_PROGRAM_TEMPS - 1)
  46 #define FP_PROG_REG_START   (FP_TEMP_REG_END + 1)
  47 #define FP_PROG_REG_END     (FP_PROG_REG_START + MAX_NV_FRAGMENT_PROGRAM_PARAMS - 1)
  48 #define FP_DUMMY_REG_START  (FP_PROG_REG_END + 1)
  49 #define FP_DUMMY_REG_END    (FP_DUMMY_REG_START + MAX_NV_FRAGMENT_PROGRAM_WRITE_ONLYS - 1)
  50
  51
  52
  53 #define COND_GT  1  /* greater than zero */
  54 #define COND_EQ  2  /* equal to zero */
  55 #define COND_LT  3  /* less than zero */
  56 #define COND_UN  4  /* unordered (NaN) */
  57 #define COND_GE  5  /* greater then or equal to zero */
  58 #define COND_LE  6  /* less then or equal to zero */
  59 #define COND_NE  7  /* not equal to zero */
  60 #define COND_TR  8  /* always true */
  61 #define COND_FL  9  /* always false */
  62
  63
  64 enum fp_opcode {
  65    FP_OPCODE_ADD = 1000,
  66    FP_OPCODE_COS,
  67    FP_OPCODE_DDX,
  68    FP_OPCODE_DDY,
  69    FP_OPCODE_DP3,
  70    FP_OPCODE_DP4,
  71    FP_OPCODE_DST,
  72    FP_OPCODE_EX2,
  73    FP_OPCODE_FLR,
  74    FP_OPCODE_FRC,
  75    FP_OPCODE_KIL,
  76    FP_OPCODE_LG2,
  77    FP_OPCODE_LIT,
  78    FP_OPCODE_LRP,
  79    FP_OPCODE_MAD,
  80    FP_OPCODE_MAX,
  81    FP_OPCODE_MIN,
  82    FP_OPCODE_MOV,
  83    FP_OPCODE_MUL,
  84    FP_OPCODE_PK2H,
  85    FP_OPCODE_PK2US,
  86    FP_OPCODE_PK4B,
  87    FP_OPCODE_PK4UB,
  88    FP_OPCODE_POW,
  89    FP_OPCODE_RCP,
  90    FP_OPCODE_RFL,
  91    FP_OPCODE_RSQ,
  92    FP_OPCODE_SEQ,
  93    FP_OPCODE_SFL,
  94    FP_OPCODE_SGE,
  95    FP_OPCODE_SGT,
  96    FP_OPCODE_SIN,
  97    FP_OPCODE_SLE,
  98    FP_OPCODE_SLT,
  99    FP_OPCODE_SNE,
 100    FP_OPCODE_STR,
 101    FP_OPCODE_SUB,
 102    FP_OPCODE_TEX,
 103    FP_OPCODE_TXC,
 104    FP_OPCODE_TXP,
 105    FP_OPCODE_UP2H,
 106    FP_OPCODE_UP2US,
 107    FP_OPCODE_UP4B,
 108    FP_OPCODE_UP4UB,
 109    FP_OPCODE_X2D,
 110    FP_OPCODE_END /* private opcode */
 111 };
 112
 113
 114 struct fp_src_register
 115 {
 116    GLint RegType;  /* constant, param, temp or attribute register */
 117    GLint Register;    /* or the offset from the address register */
 118    GLuint Swizzle[4];
 119    GLboolean NegateBase; /* negate before absolute value? */
 120    GLboolean Abs;        /* take absolute value? */
 121    GLboolean NegateAbs;  /* negate after absolute value? */
 122 };
 123
 124
 125 /* Instruction destination register */
 126 struct fp_dst_register
 127 {
 128    GLint Register;
 129    GLboolean WriteMask[4];
 130    GLuint CondMask;
 131    GLuint CondSwizzle[4];
 132 };
 133
 134
 135 struct fp_instruction
 136 {
 137    enum fp_opcode Opcode;
 138    struct fp_src_register SrcReg[3];
 139    struct fp_dst_register DstReg;
 140    GLboolean Saturate;
 141    GLboolean UpdateCondRegister;
 142    GLuint Precision;    /* SINGLE, HALF or FIXED */
 143    GLuint TexSrcUnit;   /* texture unit for TEX, TXD, TXP instructions */
 144    GLenum TexSrcTarget; /* texture target for TEX, TXD, TXP instructions */
 145 };
 146
 147
 148
 149 #endif