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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  12  * The above copyright notice and this permission notice shall be
  13  * included in all copies or substantial portions of the Software.
  14  *
  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 ps_sampleinfo
 102 {
 103    unsigned unused:27;
 104    unsigned texture_type:4;
 105    unsigned is_reg:1;
 106 };
 107
 108 struct vs_semantic
 109 {
 110    unsigned usage:5;
 111    unsigned unused1:11;
 112    unsigned usage_index:4;
 113    unsigned unused2:12;
 114 };
 115
 116 struct sh_dstreg
 117 {
 118    unsigned number:11;
 119    unsigned type_hi:2;
 120    unsigned relative:1;
 121    unsigned unused:2;
 122    unsigned write_mask:4;
 123    unsigned modifier:4;
 124    unsigned shift_scale:4;
 125    unsigned type_lo:3;
 126    unsigned is_reg:1;
 127 };
 128
 129 static INLINE unsigned
 130 sh_dstreg_type( struct sh_dstreg reg )
 131 {
 132    return reg.type_lo | (reg.type_hi << 3);
 133 }
 134
 135 struct sh_dcl
 136 {
 137    struct sh_op op;
 138    union {
 139       struct {
 140          struct ps_sampleinfo sampleinfo;
 141       } ps;
 142       struct {
 143          struct vs_semantic semantic;
 144       } vs;
 145    } u;
 146    struct sh_dstreg reg;
 147 };
 148
 149
 150 struct sh_srcreg
 151 {
 152    unsigned number:11;
 153    unsigned type_hi:2;
 154    unsigned relative:1;
 155    unsigned unused:2;
 156    unsigned swizzle_x:2;
 157    unsigned swizzle_y:2;
 158    unsigned swizzle_z:2;
 159    unsigned swizzle_w:2;
 160    unsigned modifier:4;
 161    unsigned type_lo:3;
 162    unsigned is_reg:1;
 163 };
 164
 165 static INLINE unsigned
 166 sh_srcreg_type( struct sh_srcreg reg )
 167 {
 168    return reg.type_lo | (reg.type_hi << 3);
 169 }
 170
 171 struct sh_dstop
 172 {
 173    struct sh_op op;
 174    struct sh_dstreg dst;
 175 };
 176
 177 struct sh_srcop
 178 {
 179    struct sh_op op;
 180    struct sh_srcreg src;
 181 };
 182
 183 struct sh_src2op
 184 {
 185    struct sh_op op;
 186    struct sh_srcreg src0;
 187    struct sh_srcreg src1;
 188 };
 189
 190 struct sh_unaryop
 191 {
 192    struct sh_op op;
 193    struct sh_dstreg dst;
 194    struct sh_srcreg src;
 195 };
 196
 197 struct sh_binaryop
 198 {
 199    struct sh_op op;
 200    struct sh_dstreg dst;
 201    struct sh_srcreg src0;
 202    struct sh_srcreg src1;
 203 };
 204
 205 struct sh_trinaryop
 206 {
 207    struct sh_op op;
 208    struct sh_dstreg dst;
 209    struct sh_srcreg src0;
 210    struct sh_srcreg src1;
 211    struct sh_srcreg src2;
 212 };
 213
 214 struct sh_comment
 215 {
 216    unsigned opcode:16;
 217    unsigned size:16;
 218 };
 219
 220 #endif /* ST_SHADER_SVGA_H */