src/gallium/drivers/svga/svgadump/svga_shader.h

   1 /**********************************************************
   2  * Copyright 2007-2009 VMware, Inc.  All rights reserved.
   3  *
   4  * Permission is hereby granted, free of charge, to any person
   5  * obtaining a copy of this software and associated documentation
   6  * files (the "Software"), to deal in the Software without
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   9  * of the Software, and to permit persons to whom the Software is
  10  * furnished to do so, subject to the following conditions:
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  13  * included in all copies or substantial portions of the Software.
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  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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  25
  26 /**
  27  * @file
  28  * SVGA Shader Token Definitions
  29  *
  30  * @author Michal Krol <michal@vmware.com>
  31  */
  32
  33 #ifndef ST_SHADER_SVGA_H
  34 #define ST_SHADER_SVGA_H
  35
  36 #include "pipe/p_compiler.h"
  37
  38 struct sh_op
  39 {
  40    unsigned opcode:16;
  41    unsigned control:8;
  42    unsigned length:4;
  43    unsigned predicated:1;
  44    unsigned unused:1;
  45    unsigned coissue:1;
  46    unsigned is_reg:1;
  47 };
  48
  49 struct sh_reg
  50 {
  51    unsigned number:11;
  52    unsigned type_hi:2;
  53    unsigned relative:1;
  54    unsigned unused:14;
  55    unsigned type_lo:3;
  56    unsigned is_reg:1;
  57 };
  58
  59 static INLINE unsigned
  60 sh_reg_type( struct sh_reg reg )
  61 {
  62    return reg.type_lo | (reg.type_hi << 3);
  63 }
  64
  65 struct sh_cdata
  66 {
  67    float xyzw[4];
  68 };
  69
  70 struct sh_def
  71 {
  72    struct sh_op op;
  73    struct sh_reg reg;
  74    struct sh_cdata cdata;
  75 };
  76
  77 struct sh_defb
  78 {
  79    struct sh_op op;
  80    struct sh_reg reg;
  81    uint data;
  82 };
  83
  84 struct sh_idata
  85 {
  86    int xyzw[4];
  87 };
  88
  89 struct sh_defi
  90 {
  91    struct sh_op op;
  92    struct sh_reg reg;
  93    struct sh_idata idata;
  94 };
  95
  96 #define PS_TEXTURETYPE_UNKNOWN   SVGA3DSAMP_UNKNOWN
  97 #define PS_TEXTURETYPE_2D        SVGA3DSAMP_2D
  98 #define PS_TEXTURETYPE_CUBE      SVGA3DSAMP_CUBE
  99 #define PS_TEXTURETYPE_VOLUME    SVGA3DSAMP_VOLUME
 100
 101 struct sh_sampleinfo
 102 {
 103    unsigned unused:27;
 104    unsigned texture_type:4;
 105    unsigned is_reg:1;
 106 };
 107
 108 struct sh_semantic
 109 {
 110    unsigned usage:4;
 111    unsigned unused1:12;
 112    unsigned usage_index:4;
 113    unsigned unused2:11;
 114    unsigned is_reg:1;
 115 };
 116
 117 #define SH_WRITEMASK_0              0x1
 118 #define SH_WRITEMASK_1              0x2
 119 #define SH_WRITEMASK_2              0x4
 120 #define SH_WRITEMASK_3              0x8
 121 #define SH_WRITEMASK_ALL            0xf
 122
 123 #define SH_DSTMOD_NONE              0x0
 124 #define SH_DSTMOD_SATURATE          0x1
 125 #define SH_DSTMOD_PARTIALPRECISION  0x2
 126 #define SH_DSTMOD_MSAMPCENTROID     0x4
 127
 128 struct sh_dstreg
 129 {
 130    unsigned number:11;
 131    unsigned type_hi:2;
 132    unsigned relative:1;
 133    unsigned unused:2;
 134    unsigned write_mask:4;
 135    unsigned modifier:4;
 136    unsigned shift_scale:4;
 137    unsigned type_lo:3;
 138    unsigned is_reg:1;
 139 };
 140
 141 static INLINE unsigned
 142 sh_dstreg_type( struct sh_dstreg reg )
 143 {
 144    return reg.type_lo | (reg.type_hi << 3);
 145 }
 146
 147 struct sh_dcl
 148 {
 149    struct sh_op op;
 150    union {
 151       struct sh_sampleinfo sampleinfo;
 152       struct sh_semantic semantic;
 153    } u;
 154    struct sh_dstreg reg;
 155 };
 156
 157 struct sh_srcreg
 158 {
 159    unsigned number:11;
 160    unsigned type_hi:2;
 161    unsigned relative:1;
 162    unsigned unused:2;
 163    unsigned swizzle_x:2;
 164    unsigned swizzle_y:2;
 165    unsigned swizzle_z:2;
 166    unsigned swizzle_w:2;
 167    unsigned modifier:4;
 168    unsigned type_lo:3;
 169    unsigned is_reg:1;
 170 };
 171
 172 static INLINE unsigned
 173 sh_srcreg_type( struct sh_srcreg reg )
 174 {
 175    return reg.type_lo | (reg.type_hi << 3);
 176 }
 177
 178 struct sh_dstop
 179 {
 180    struct sh_op op;
 181    struct sh_dstreg dst;
 182 };
 183
 184 struct sh_srcop
 185 {
 186    struct sh_op op;
 187    struct sh_srcreg src;
 188 };
 189
 190 struct sh_src2op
 191 {
 192    struct sh_op op;
 193    struct sh_srcreg src0;
 194    struct sh_srcreg src1;
 195 };
 196
 197 struct sh_unaryop
 198 {
 199    struct sh_op op;
 200    struct sh_dstreg dst;
 201    struct sh_srcreg src;
 202 };
 203
 204 struct sh_binaryop
 205 {
 206    struct sh_op op;
 207    struct sh_dstreg dst;
 208    struct sh_srcreg src0;
 209    struct sh_srcreg src1;
 210 };
 211
 212 struct sh_trinaryop
 213 {
 214    struct sh_op op;
 215    struct sh_dstreg dst;
 216    struct sh_srcreg src0;
 217    struct sh_srcreg src1;
 218    struct sh_srcreg src2;
 219 };
 220
 221 struct sh_comment
 222 {
 223    unsigned opcode:16;
 224    unsigned size:16;
 225 };
 226
 227 #endif /* ST_SHADER_SVGA_H */