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      1 /*
      2  Copyright (C) Intel Corp.  2006.  All Rights Reserved.
      3  Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
      4  develop this 3D driver.
      5 
      6  Permission is hereby granted, free of charge, to any person obtaining
      7  a copy of this software and associated documentation files (the
      8  "Software"), to deal in the Software without restriction, including
      9  without limitation the rights to use, copy, modify, merge, publish,
     10  distribute, sublicense, and/or sell copies of the Software, and to
     11  permit persons to whom the Software is furnished to do so, subject to
     12  the following conditions:
     13 
     14  The above copyright notice and this permission notice (including the
     15  next paragraph) shall be included in all copies or substantial
     16  portions of the Software.
     17 
     18  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
     19  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     20  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
     21  IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
     22  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
     23  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
     24  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     25 
     26  **********************************************************************/
     27  /*
     28   * Authors:
     29   *   Keith Whitwell <keith (at) tungstengraphics.com>
     30   */
     31 
     32 #define INTEL_MASK(high, low) (((1<<((high)-(low)+1))-1)<<(low))
     33 #define SET_FIELD(value, field) (((value) << field ## _SHIFT) & field ## _MASK)
     34 #define GET_FIELD(word, field) (((word)  & field ## _MASK) >> field ## _SHIFT)
     35 
     36 #ifndef BRW_DEFINES_H
     37 #define BRW_DEFINES_H
     38 
     39 /* 3D state:
     40  */
     41 #define PIPE_CONTROL_NOWRITE          0x00
     42 #define PIPE_CONTROL_WRITEIMMEDIATE   0x01
     43 #define PIPE_CONTROL_WRITEDEPTH       0x02
     44 #define PIPE_CONTROL_WRITETIMESTAMP   0x03
     45 
     46 #define PIPE_CONTROL_GTTWRITE_PROCESS_LOCAL 0x00
     47 #define PIPE_CONTROL_GTTWRITE_GLOBAL        0x01
     48 
     49 #define CMD_3D_PRIM                                 0x7b00 /* 3DPRIMITIVE */
     50 /* DW0 */
     51 # define GEN4_3DPRIM_TOPOLOGY_TYPE_SHIFT            10
     52 # define GEN4_3DPRIM_VERTEXBUFFER_ACCESS_SEQUENTIAL (0 << 15)
     53 # define GEN4_3DPRIM_VERTEXBUFFER_ACCESS_RANDOM     (1 << 15)
     54 /* DW1 */
     55 # define GEN7_3DPRIM_VERTEXBUFFER_ACCESS_SEQUENTIAL (0 << 8)
     56 # define GEN7_3DPRIM_VERTEXBUFFER_ACCESS_RANDOM     (1 << 8)
     57 
     58 #define _3DPRIM_POINTLIST         0x01
     59 #define _3DPRIM_LINELIST          0x02
     60 #define _3DPRIM_LINESTRIP         0x03
     61 #define _3DPRIM_TRILIST           0x04
     62 #define _3DPRIM_TRISTRIP          0x05
     63 #define _3DPRIM_TRIFAN            0x06
     64 #define _3DPRIM_QUADLIST          0x07
     65 #define _3DPRIM_QUADSTRIP         0x08
     66 #define _3DPRIM_LINELIST_ADJ      0x09
     67 #define _3DPRIM_LINESTRIP_ADJ     0x0A
     68 #define _3DPRIM_TRILIST_ADJ       0x0B
     69 #define _3DPRIM_TRISTRIP_ADJ      0x0C
     70 #define _3DPRIM_TRISTRIP_REVERSE  0x0D
     71 #define _3DPRIM_POLYGON           0x0E
     72 #define _3DPRIM_RECTLIST          0x0F
     73 #define _3DPRIM_LINELOOP          0x10
     74 #define _3DPRIM_POINTLIST_BF      0x11
     75 #define _3DPRIM_LINESTRIP_CONT    0x12
     76 #define _3DPRIM_LINESTRIP_BF      0x13
     77 #define _3DPRIM_LINESTRIP_CONT_BF 0x14
     78 #define _3DPRIM_TRIFAN_NOSTIPPLE  0x15
     79 
     80 #define BRW_ANISORATIO_2     0
     81 #define BRW_ANISORATIO_4     1
     82 #define BRW_ANISORATIO_6     2
     83 #define BRW_ANISORATIO_8     3
     84 #define BRW_ANISORATIO_10    4
     85 #define BRW_ANISORATIO_12    5
     86 #define BRW_ANISORATIO_14    6
     87 #define BRW_ANISORATIO_16    7
     88 
     89 #define BRW_BLENDFACTOR_ONE                 0x1
     90 #define BRW_BLENDFACTOR_SRC_COLOR           0x2
     91 #define BRW_BLENDFACTOR_SRC_ALPHA           0x3
     92 #define BRW_BLENDFACTOR_DST_ALPHA           0x4
     93 #define BRW_BLENDFACTOR_DST_COLOR           0x5
     94 #define BRW_BLENDFACTOR_SRC_ALPHA_SATURATE  0x6
     95 #define BRW_BLENDFACTOR_CONST_COLOR         0x7
     96 #define BRW_BLENDFACTOR_CONST_ALPHA         0x8
     97 #define BRW_BLENDFACTOR_SRC1_COLOR          0x9
     98 #define BRW_BLENDFACTOR_SRC1_ALPHA          0x0A
     99 #define BRW_BLENDFACTOR_ZERO                0x11
    100 #define BRW_BLENDFACTOR_INV_SRC_COLOR       0x12
    101 #define BRW_BLENDFACTOR_INV_SRC_ALPHA       0x13
    102 #define BRW_BLENDFACTOR_INV_DST_ALPHA       0x14
    103 #define BRW_BLENDFACTOR_INV_DST_COLOR       0x15
    104 #define BRW_BLENDFACTOR_INV_CONST_COLOR     0x17
    105 #define BRW_BLENDFACTOR_INV_CONST_ALPHA     0x18
    106 #define BRW_BLENDFACTOR_INV_SRC1_COLOR      0x19
    107 #define BRW_BLENDFACTOR_INV_SRC1_ALPHA      0x1A
    108 
    109 #define BRW_BLENDFUNCTION_ADD               0
    110 #define BRW_BLENDFUNCTION_SUBTRACT          1
    111 #define BRW_BLENDFUNCTION_REVERSE_SUBTRACT  2
    112 #define BRW_BLENDFUNCTION_MIN               3
    113 #define BRW_BLENDFUNCTION_MAX               4
    114 
    115 #define BRW_ALPHATEST_FORMAT_UNORM8         0
    116 #define BRW_ALPHATEST_FORMAT_FLOAT32        1
    117 
    118 #define BRW_CHROMAKEY_KILL_ON_ANY_MATCH  0
    119 #define BRW_CHROMAKEY_REPLACE_BLACK      1
    120 
    121 #define BRW_CLIP_API_OGL     0
    122 #define BRW_CLIP_API_DX      1
    123 
    124 #define BRW_CLIPMODE_NORMAL              0
    125 #define BRW_CLIPMODE_CLIP_ALL            1
    126 #define BRW_CLIPMODE_CLIP_NON_REJECTED   2
    127 #define BRW_CLIPMODE_REJECT_ALL          3
    128 #define BRW_CLIPMODE_ACCEPT_ALL          4
    129 #define BRW_CLIPMODE_KERNEL_CLIP         5
    130 
    131 #define BRW_CLIP_NDCSPACE     0
    132 #define BRW_CLIP_SCREENSPACE  1
    133 
    134 #define BRW_COMPAREFUNCTION_ALWAYS       0
    135 #define BRW_COMPAREFUNCTION_NEVER        1
    136 #define BRW_COMPAREFUNCTION_LESS         2
    137 #define BRW_COMPAREFUNCTION_EQUAL        3
    138 #define BRW_COMPAREFUNCTION_LEQUAL       4
    139 #define BRW_COMPAREFUNCTION_GREATER      5
    140 #define BRW_COMPAREFUNCTION_NOTEQUAL     6
    141 #define BRW_COMPAREFUNCTION_GEQUAL       7
    142 
    143 #define BRW_COVERAGE_PIXELS_HALF     0
    144 #define BRW_COVERAGE_PIXELS_1        1
    145 #define BRW_COVERAGE_PIXELS_2        2
    146 #define BRW_COVERAGE_PIXELS_4        3
    147 
    148 #define BRW_CULLMODE_BOTH        0
    149 #define BRW_CULLMODE_NONE        1
    150 #define BRW_CULLMODE_FRONT       2
    151 #define BRW_CULLMODE_BACK        3
    152 
    153 #define BRW_DEFAULTCOLOR_R8G8B8A8_UNORM      0
    154 #define BRW_DEFAULTCOLOR_R32G32B32A32_FLOAT  1
    155 
    156 #define BRW_DEPTHFORMAT_D32_FLOAT_S8X24_UINT     0
    157 #define BRW_DEPTHFORMAT_D32_FLOAT                1
    158 #define BRW_DEPTHFORMAT_D24_UNORM_S8_UINT        2
    159 #define BRW_DEPTHFORMAT_D24_UNORM_X8_UINT        3 /* GEN5 */
    160 #define BRW_DEPTHFORMAT_D16_UNORM                5
    161 
    162 #define BRW_FLOATING_POINT_IEEE_754        0
    163 #define BRW_FLOATING_POINT_NON_IEEE_754    1
    164 
    165 #define BRW_FRONTWINDING_CW      0
    166 #define BRW_FRONTWINDING_CCW     1
    167 
    168 #define BRW_SPRITE_POINT_ENABLE  16
    169 
    170 #define BRW_CUT_INDEX_ENABLE     (1 << 10)
    171 
    172 #define BRW_INDEX_BYTE     0
    173 #define BRW_INDEX_WORD     1
    174 #define BRW_INDEX_DWORD    2
    175 
    176 #define BRW_LOGICOPFUNCTION_CLEAR            0
    177 #define BRW_LOGICOPFUNCTION_NOR              1
    178 #define BRW_LOGICOPFUNCTION_AND_INVERTED     2
    179 #define BRW_LOGICOPFUNCTION_COPY_INVERTED    3
    180 #define BRW_LOGICOPFUNCTION_AND_REVERSE      4
    181 #define BRW_LOGICOPFUNCTION_INVERT           5
    182 #define BRW_LOGICOPFUNCTION_XOR              6
    183 #define BRW_LOGICOPFUNCTION_NAND             7
    184 #define BRW_LOGICOPFUNCTION_AND              8
    185 #define BRW_LOGICOPFUNCTION_EQUIV            9
    186 #define BRW_LOGICOPFUNCTION_NOOP             10
    187 #define BRW_LOGICOPFUNCTION_OR_INVERTED      11
    188 #define BRW_LOGICOPFUNCTION_COPY             12
    189 #define BRW_LOGICOPFUNCTION_OR_REVERSE       13
    190 #define BRW_LOGICOPFUNCTION_OR               14
    191 #define BRW_LOGICOPFUNCTION_SET              15
    192 
    193 #define BRW_MAPFILTER_NEAREST        0x0
    194 #define BRW_MAPFILTER_LINEAR         0x1
    195 #define BRW_MAPFILTER_ANISOTROPIC    0x2
    196 
    197 #define BRW_MIPFILTER_NONE        0
    198 #define BRW_MIPFILTER_NEAREST     1
    199 #define BRW_MIPFILTER_LINEAR      3
    200 
    201 #define BRW_ADDRESS_ROUNDING_ENABLE_U_MAG	0x20
    202 #define BRW_ADDRESS_ROUNDING_ENABLE_U_MIN	0x10
    203 #define BRW_ADDRESS_ROUNDING_ENABLE_V_MAG	0x08
    204 #define BRW_ADDRESS_ROUNDING_ENABLE_V_MIN	0x04
    205 #define BRW_ADDRESS_ROUNDING_ENABLE_R_MAG	0x02
    206 #define BRW_ADDRESS_ROUNDING_ENABLE_R_MIN	0x01
    207 
    208 #define BRW_POLYGON_FRONT_FACING     0
    209 #define BRW_POLYGON_BACK_FACING      1
    210 
    211 #define BRW_PREFILTER_ALWAYS     0x0
    212 #define BRW_PREFILTER_NEVER      0x1
    213 #define BRW_PREFILTER_LESS       0x2
    214 #define BRW_PREFILTER_EQUAL      0x3
    215 #define BRW_PREFILTER_LEQUAL     0x4
    216 #define BRW_PREFILTER_GREATER    0x5
    217 #define BRW_PREFILTER_NOTEQUAL   0x6
    218 #define BRW_PREFILTER_GEQUAL     0x7
    219 
    220 #define BRW_PROVOKING_VERTEX_0    0
    221 #define BRW_PROVOKING_VERTEX_1    1
    222 #define BRW_PROVOKING_VERTEX_2    2
    223 
    224 #define BRW_RASTRULE_UPPER_LEFT  0
    225 #define BRW_RASTRULE_UPPER_RIGHT 1
    226 /* These are listed as "Reserved, but not seen as useful"
    227  * in Intel documentation (page 212, "Point Rasterization Rule",
    228  * section 7.4 "SF Pipeline State Summary", of document
    229  * "Intel 965 Express Chipset Family and Intel G35 Express
    230  * Chipset Graphics Controller Programmer's Reference Manual,
    231  * Volume 2: 3D/Media", Revision 1.0b as of January 2008,
    232  * available at
    233  *     http://intellinuxgraphics.org/documentation.html
    234  * at the time of this writing).
    235  *
    236  * These appear to be supported on at least some
    237  * i965-family devices, and the BRW_RASTRULE_LOWER_RIGHT
    238  * is useful when using OpenGL to render to a FBO
    239  * (which has the pixel coordinate Y orientation inverted
    240  * with respect to the normal OpenGL pixel coordinate system).
    241  */
    242 #define BRW_RASTRULE_LOWER_LEFT  2
    243 #define BRW_RASTRULE_LOWER_RIGHT 3
    244 
    245 #define BRW_RENDERTARGET_CLAMPRANGE_UNORM    0
    246 #define BRW_RENDERTARGET_CLAMPRANGE_SNORM    1
    247 #define BRW_RENDERTARGET_CLAMPRANGE_FORMAT   2
    248 
    249 #define BRW_STENCILOP_KEEP               0
    250 #define BRW_STENCILOP_ZERO               1
    251 #define BRW_STENCILOP_REPLACE            2
    252 #define BRW_STENCILOP_INCRSAT            3
    253 #define BRW_STENCILOP_DECRSAT            4
    254 #define BRW_STENCILOP_INCR               5
    255 #define BRW_STENCILOP_DECR               6
    256 #define BRW_STENCILOP_INVERT             7
    257 
    258 /* Surface state DW0 */
    259 #define BRW_SURFACE_RC_READ_WRITE	(1 << 8)
    260 #define BRW_SURFACE_MIPLAYOUT_SHIFT	10
    261 #define BRW_SURFACE_MIPMAPLAYOUT_BELOW   0
    262 #define BRW_SURFACE_MIPMAPLAYOUT_RIGHT   1
    263 #define BRW_SURFACE_CUBEFACE_ENABLES	0x3f
    264 #define BRW_SURFACE_BLEND_ENABLED	(1 << 13)
    265 #define BRW_SURFACE_WRITEDISABLE_B_SHIFT	14
    266 #define BRW_SURFACE_WRITEDISABLE_G_SHIFT	15
    267 #define BRW_SURFACE_WRITEDISABLE_R_SHIFT	16
    268 #define BRW_SURFACE_WRITEDISABLE_A_SHIFT	17
    269 
    270 #define BRW_SURFACEFORMAT_R32G32B32A32_FLOAT             0x000
    271 #define BRW_SURFACEFORMAT_R32G32B32A32_SINT              0x001
    272 #define BRW_SURFACEFORMAT_R32G32B32A32_UINT              0x002
    273 #define BRW_SURFACEFORMAT_R32G32B32A32_UNORM             0x003
    274 #define BRW_SURFACEFORMAT_R32G32B32A32_SNORM             0x004
    275 #define BRW_SURFACEFORMAT_R64G64_FLOAT                   0x005
    276 #define BRW_SURFACEFORMAT_R32G32B32X32_FLOAT             0x006
    277 #define BRW_SURFACEFORMAT_R32G32B32A32_SSCALED           0x007
    278 #define BRW_SURFACEFORMAT_R32G32B32A32_USCALED           0x008
    279 #define BRW_SURFACEFORMAT_R32G32B32_FLOAT                0x040
    280 #define BRW_SURFACEFORMAT_R32G32B32_SINT                 0x041
    281 #define BRW_SURFACEFORMAT_R32G32B32_UINT                 0x042
    282 #define BRW_SURFACEFORMAT_R32G32B32_UNORM                0x043
    283 #define BRW_SURFACEFORMAT_R32G32B32_SNORM                0x044
    284 #define BRW_SURFACEFORMAT_R32G32B32_SSCALED              0x045
    285 #define BRW_SURFACEFORMAT_R32G32B32_USCALED              0x046
    286 #define BRW_SURFACEFORMAT_R16G16B16A16_UNORM             0x080
    287 #define BRW_SURFACEFORMAT_R16G16B16A16_SNORM             0x081
    288 #define BRW_SURFACEFORMAT_R16G16B16A16_SINT              0x082
    289 #define BRW_SURFACEFORMAT_R16G16B16A16_UINT              0x083
    290 #define BRW_SURFACEFORMAT_R16G16B16A16_FLOAT             0x084
    291 #define BRW_SURFACEFORMAT_R32G32_FLOAT                   0x085
    292 #define BRW_SURFACEFORMAT_R32G32_SINT                    0x086
    293 #define BRW_SURFACEFORMAT_R32G32_UINT                    0x087
    294 #define BRW_SURFACEFORMAT_R32_FLOAT_X8X24_TYPELESS       0x088
    295 #define BRW_SURFACEFORMAT_X32_TYPELESS_G8X24_UINT        0x089
    296 #define BRW_SURFACEFORMAT_L32A32_FLOAT                   0x08A
    297 #define BRW_SURFACEFORMAT_R32G32_UNORM                   0x08B
    298 #define BRW_SURFACEFORMAT_R32G32_SNORM                   0x08C
    299 #define BRW_SURFACEFORMAT_R64_FLOAT                      0x08D
    300 #define BRW_SURFACEFORMAT_R16G16B16X16_UNORM             0x08E
    301 #define BRW_SURFACEFORMAT_R16G16B16X16_FLOAT             0x08F
    302 #define BRW_SURFACEFORMAT_A32X32_FLOAT                   0x090
    303 #define BRW_SURFACEFORMAT_L32X32_FLOAT                   0x091
    304 #define BRW_SURFACEFORMAT_I32X32_FLOAT                   0x092
    305 #define BRW_SURFACEFORMAT_R16G16B16A16_SSCALED           0x093
    306 #define BRW_SURFACEFORMAT_R16G16B16A16_USCALED           0x094
    307 #define BRW_SURFACEFORMAT_R32G32_SSCALED                 0x095
    308 #define BRW_SURFACEFORMAT_R32G32_USCALED                 0x096
    309 #define BRW_SURFACEFORMAT_B8G8R8A8_UNORM                 0x0C0
    310 #define BRW_SURFACEFORMAT_B8G8R8A8_UNORM_SRGB            0x0C1
    311 #define BRW_SURFACEFORMAT_R10G10B10A2_UNORM              0x0C2
    312 #define BRW_SURFACEFORMAT_R10G10B10A2_UNORM_SRGB         0x0C3
    313 #define BRW_SURFACEFORMAT_R10G10B10A2_UINT               0x0C4
    314 #define BRW_SURFACEFORMAT_R10G10B10_SNORM_A2_UNORM       0x0C5
    315 #define BRW_SURFACEFORMAT_R8G8B8A8_UNORM                 0x0C7
    316 #define BRW_SURFACEFORMAT_R8G8B8A8_UNORM_SRGB            0x0C8
    317 #define BRW_SURFACEFORMAT_R8G8B8A8_SNORM                 0x0C9
    318 #define BRW_SURFACEFORMAT_R8G8B8A8_SINT                  0x0CA
    319 #define BRW_SURFACEFORMAT_R8G8B8A8_UINT                  0x0CB
    320 #define BRW_SURFACEFORMAT_R16G16_UNORM                   0x0CC
    321 #define BRW_SURFACEFORMAT_R16G16_SNORM                   0x0CD
    322 #define BRW_SURFACEFORMAT_R16G16_SINT                    0x0CE
    323 #define BRW_SURFACEFORMAT_R16G16_UINT                    0x0CF
    324 #define BRW_SURFACEFORMAT_R16G16_FLOAT                   0x0D0
    325 #define BRW_SURFACEFORMAT_B10G10R10A2_UNORM              0x0D1
    326 #define BRW_SURFACEFORMAT_B10G10R10A2_UNORM_SRGB         0x0D2
    327 #define BRW_SURFACEFORMAT_R11G11B10_FLOAT                0x0D3
    328 #define BRW_SURFACEFORMAT_R32_SINT                       0x0D6
    329 #define BRW_SURFACEFORMAT_R32_UINT                       0x0D7
    330 #define BRW_SURFACEFORMAT_R32_FLOAT                      0x0D8
    331 #define BRW_SURFACEFORMAT_R24_UNORM_X8_TYPELESS          0x0D9
    332 #define BRW_SURFACEFORMAT_X24_TYPELESS_G8_UINT           0x0DA
    333 #define BRW_SURFACEFORMAT_L16A16_UNORM                   0x0DF
    334 #define BRW_SURFACEFORMAT_I24X8_UNORM                    0x0E0
    335 #define BRW_SURFACEFORMAT_L24X8_UNORM                    0x0E1
    336 #define BRW_SURFACEFORMAT_A24X8_UNORM                    0x0E2
    337 #define BRW_SURFACEFORMAT_I32_FLOAT                      0x0E3
    338 #define BRW_SURFACEFORMAT_L32_FLOAT                      0x0E4
    339 #define BRW_SURFACEFORMAT_A32_FLOAT                      0x0E5
    340 #define BRW_SURFACEFORMAT_B8G8R8X8_UNORM                 0x0E9
    341 #define BRW_SURFACEFORMAT_B8G8R8X8_UNORM_SRGB            0x0EA
    342 #define BRW_SURFACEFORMAT_R8G8B8X8_UNORM                 0x0EB
    343 #define BRW_SURFACEFORMAT_R8G8B8X8_UNORM_SRGB            0x0EC
    344 #define BRW_SURFACEFORMAT_R9G9B9E5_SHAREDEXP             0x0ED
    345 #define BRW_SURFACEFORMAT_B10G10R10X2_UNORM              0x0EE
    346 #define BRW_SURFACEFORMAT_L16A16_FLOAT                   0x0F0
    347 #define BRW_SURFACEFORMAT_R32_UNORM                      0x0F1
    348 #define BRW_SURFACEFORMAT_R32_SNORM                      0x0F2
    349 #define BRW_SURFACEFORMAT_R10G10B10X2_USCALED            0x0F3
    350 #define BRW_SURFACEFORMAT_R8G8B8A8_SSCALED               0x0F4
    351 #define BRW_SURFACEFORMAT_R8G8B8A8_USCALED               0x0F5
    352 #define BRW_SURFACEFORMAT_R16G16_SSCALED                 0x0F6
    353 #define BRW_SURFACEFORMAT_R16G16_USCALED                 0x0F7
    354 #define BRW_SURFACEFORMAT_R32_SSCALED                    0x0F8
    355 #define BRW_SURFACEFORMAT_R32_USCALED                    0x0F9
    356 #define BRW_SURFACEFORMAT_B5G6R5_UNORM                   0x100
    357 #define BRW_SURFACEFORMAT_B5G6R5_UNORM_SRGB              0x101
    358 #define BRW_SURFACEFORMAT_B5G5R5A1_UNORM                 0x102
    359 #define BRW_SURFACEFORMAT_B5G5R5A1_UNORM_SRGB            0x103
    360 #define BRW_SURFACEFORMAT_B4G4R4A4_UNORM                 0x104
    361 #define BRW_SURFACEFORMAT_B4G4R4A4_UNORM_SRGB            0x105
    362 #define BRW_SURFACEFORMAT_R8G8_UNORM                     0x106
    363 #define BRW_SURFACEFORMAT_R8G8_SNORM                     0x107
    364 #define BRW_SURFACEFORMAT_R8G8_SINT                      0x108
    365 #define BRW_SURFACEFORMAT_R8G8_UINT                      0x109
    366 #define BRW_SURFACEFORMAT_R16_UNORM                      0x10A
    367 #define BRW_SURFACEFORMAT_R16_SNORM                      0x10B
    368 #define BRW_SURFACEFORMAT_R16_SINT                       0x10C
    369 #define BRW_SURFACEFORMAT_R16_UINT                       0x10D
    370 #define BRW_SURFACEFORMAT_R16_FLOAT                      0x10E
    371 #define BRW_SURFACEFORMAT_I16_UNORM                      0x111
    372 #define BRW_SURFACEFORMAT_L16_UNORM                      0x112
    373 #define BRW_SURFACEFORMAT_A16_UNORM                      0x113
    374 #define BRW_SURFACEFORMAT_L8A8_UNORM                     0x114
    375 #define BRW_SURFACEFORMAT_I16_FLOAT                      0x115
    376 #define BRW_SURFACEFORMAT_L16_FLOAT                      0x116
    377 #define BRW_SURFACEFORMAT_A16_FLOAT                      0x117
    378 #define BRW_SURFACEFORMAT_L8A8_UNORM_SRGB                0x118
    379 #define BRW_SURFACEFORMAT_R5G5_SNORM_B6_UNORM            0x119
    380 #define BRW_SURFACEFORMAT_B5G5R5X1_UNORM                 0x11A
    381 #define BRW_SURFACEFORMAT_B5G5R5X1_UNORM_SRGB            0x11B
    382 #define BRW_SURFACEFORMAT_R8G8_SSCALED                   0x11C
    383 #define BRW_SURFACEFORMAT_R8G8_USCALED                   0x11D
    384 #define BRW_SURFACEFORMAT_R16_SSCALED                    0x11E
    385 #define BRW_SURFACEFORMAT_R16_USCALED                    0x11F
    386 #define BRW_SURFACEFORMAT_R8_UNORM                       0x140
    387 #define BRW_SURFACEFORMAT_R8_SNORM                       0x141
    388 #define BRW_SURFACEFORMAT_R8_SINT                        0x142
    389 #define BRW_SURFACEFORMAT_R8_UINT                        0x143
    390 #define BRW_SURFACEFORMAT_A8_UNORM                       0x144
    391 #define BRW_SURFACEFORMAT_I8_UNORM                       0x145
    392 #define BRW_SURFACEFORMAT_L8_UNORM                       0x146
    393 #define BRW_SURFACEFORMAT_P4A4_UNORM                     0x147
    394 #define BRW_SURFACEFORMAT_A4P4_UNORM                     0x148
    395 #define BRW_SURFACEFORMAT_R8_SSCALED                     0x149
    396 #define BRW_SURFACEFORMAT_R8_USCALED                     0x14A
    397 #define BRW_SURFACEFORMAT_L8_UNORM_SRGB                  0x14C
    398 #define BRW_SURFACEFORMAT_DXT1_RGB_SRGB                  0x180
    399 #define BRW_SURFACEFORMAT_R1_UINT                        0x181
    400 #define BRW_SURFACEFORMAT_YCRCB_NORMAL                   0x182
    401 #define BRW_SURFACEFORMAT_YCRCB_SWAPUVY                  0x183
    402 #define BRW_SURFACEFORMAT_BC1_UNORM                      0x186
    403 #define BRW_SURFACEFORMAT_BC2_UNORM                      0x187
    404 #define BRW_SURFACEFORMAT_BC3_UNORM                      0x188
    405 #define BRW_SURFACEFORMAT_BC4_UNORM                      0x189
    406 #define BRW_SURFACEFORMAT_BC5_UNORM                      0x18A
    407 #define BRW_SURFACEFORMAT_BC1_UNORM_SRGB                 0x18B
    408 #define BRW_SURFACEFORMAT_BC2_UNORM_SRGB                 0x18C
    409 #define BRW_SURFACEFORMAT_BC3_UNORM_SRGB                 0x18D
    410 #define BRW_SURFACEFORMAT_MONO8                          0x18E
    411 #define BRW_SURFACEFORMAT_YCRCB_SWAPUV                   0x18F
    412 #define BRW_SURFACEFORMAT_YCRCB_SWAPY                    0x190
    413 #define BRW_SURFACEFORMAT_DXT1_RGB                       0x191
    414 #define BRW_SURFACEFORMAT_FXT1                           0x192
    415 #define BRW_SURFACEFORMAT_R8G8B8_UNORM                   0x193
    416 #define BRW_SURFACEFORMAT_R8G8B8_SNORM                   0x194
    417 #define BRW_SURFACEFORMAT_R8G8B8_SSCALED                 0x195
    418 #define BRW_SURFACEFORMAT_R8G8B8_USCALED                 0x196
    419 #define BRW_SURFACEFORMAT_R64G64B64A64_FLOAT             0x197
    420 #define BRW_SURFACEFORMAT_R64G64B64_FLOAT                0x198
    421 #define BRW_SURFACEFORMAT_BC4_SNORM                      0x199
    422 #define BRW_SURFACEFORMAT_BC5_SNORM                      0x19A
    423 #define BRW_SURFACEFORMAT_R16G16B16_UNORM                0x19C
    424 #define BRW_SURFACEFORMAT_R16G16B16_SNORM                0x19D
    425 #define BRW_SURFACEFORMAT_R16G16B16_SSCALED              0x19E
    426 #define BRW_SURFACEFORMAT_R16G16B16_USCALED              0x19F
    427 #define BRW_SURFACE_FORMAT_SHIFT	18
    428 #define BRW_SURFACE_FORMAT_MASK		INTEL_MASK(26, 18)
    429 
    430 #define BRW_SURFACERETURNFORMAT_FLOAT32  0
    431 #define BRW_SURFACERETURNFORMAT_S1       1
    432 
    433 #define BRW_SURFACE_TYPE_SHIFT		29
    434 #define BRW_SURFACE_TYPE_MASK		INTEL_MASK(31, 29)
    435 #define BRW_SURFACE_1D      0
    436 #define BRW_SURFACE_2D      1
    437 #define BRW_SURFACE_3D      2
    438 #define BRW_SURFACE_CUBE    3
    439 #define BRW_SURFACE_BUFFER  4
    440 #define BRW_SURFACE_NULL    7
    441 
    442 #define GEN7_SURFACE_ARYSPC_FULL	0
    443 #define GEN7_SURFACE_ARYSPC_LOD0	1
    444 
    445 /* Surface state DW2 */
    446 #define BRW_SURFACE_HEIGHT_SHIFT	19
    447 #define BRW_SURFACE_HEIGHT_MASK		INTEL_MASK(31, 19)
    448 #define BRW_SURFACE_WIDTH_SHIFT		6
    449 #define BRW_SURFACE_WIDTH_MASK		INTEL_MASK(18, 6)
    450 #define BRW_SURFACE_LOD_SHIFT		2
    451 #define BRW_SURFACE_LOD_MASK		INTEL_MASK(5, 2)
    452 
    453 /* Surface state DW3 */
    454 #define BRW_SURFACE_DEPTH_SHIFT		21
    455 #define BRW_SURFACE_DEPTH_MASK		INTEL_MASK(31, 21)
    456 #define BRW_SURFACE_PITCH_SHIFT		3
    457 #define BRW_SURFACE_PITCH_MASK		INTEL_MASK(19, 3)
    458 #define BRW_SURFACE_TILED		(1 << 1)
    459 #define BRW_SURFACE_TILED_Y		(1 << 0)
    460 
    461 /* Surface state DW4 */
    462 #define BRW_SURFACE_MIN_LOD_SHIFT	28
    463 #define BRW_SURFACE_MIN_LOD_MASK	INTEL_MASK(31, 28)
    464 #define BRW_SURFACE_MULTISAMPLECOUNT_1  (0 << 4)
    465 #define BRW_SURFACE_MULTISAMPLECOUNT_4  (2 << 4)
    466 #define GEN7_SURFACE_MULTISAMPLECOUNT_1 0
    467 #define GEN7_SURFACE_MULTISAMPLECOUNT_4 2
    468 #define GEN7_SURFACE_MULTISAMPLECOUNT_8 3
    469 #define GEN7_SURFACE_MSFMT_MSS			0
    470 #define GEN7_SURFACE_MSFMT_DEPTH_STENCIL	1
    471 
    472 /* Surface state DW5 */
    473 #define BRW_SURFACE_X_OFFSET_SHIFT		25
    474 #define BRW_SURFACE_X_OFFSET_MASK		INTEL_MASK(31, 25)
    475 #define BRW_SURFACE_VERTICAL_ALIGN_ENABLE	(1 << 24)
    476 #define BRW_SURFACE_Y_OFFSET_SHIFT		20
    477 #define BRW_SURFACE_Y_OFFSET_MASK		INTEL_MASK(23, 20)
    478 
    479 /* Surface state DW7 */
    480 #define HSW_SCS_ZERO                     0
    481 #define HSW_SCS_ONE                      1
    482 #define HSW_SCS_RED                      4
    483 #define HSW_SCS_GREEN                    5
    484 #define HSW_SCS_BLUE                     6
    485 #define HSW_SCS_ALPHA                    7
    486 
    487 #define BRW_TEXCOORDMODE_WRAP            0
    488 #define BRW_TEXCOORDMODE_MIRROR          1
    489 #define BRW_TEXCOORDMODE_CLAMP           2
    490 #define BRW_TEXCOORDMODE_CUBE            3
    491 #define BRW_TEXCOORDMODE_CLAMP_BORDER    4
    492 #define BRW_TEXCOORDMODE_MIRROR_ONCE     5
    493 
    494 #define BRW_THREAD_PRIORITY_NORMAL   0
    495 #define BRW_THREAD_PRIORITY_HIGH     1
    496 
    497 #define BRW_TILEWALK_XMAJOR                 0
    498 #define BRW_TILEWALK_YMAJOR                 1
    499 
    500 #define BRW_VERTEX_SUBPIXEL_PRECISION_8BITS  0
    501 #define BRW_VERTEX_SUBPIXEL_PRECISION_4BITS  1
    502 
    503 /* Execution Unit (EU) defines
    504  */
    505 
    506 #define BRW_ALIGN_1   0
    507 #define BRW_ALIGN_16  1
    508 
    509 #define BRW_ADDRESS_DIRECT                        0
    510 #define BRW_ADDRESS_REGISTER_INDIRECT_REGISTER    1
    511 
    512 #define BRW_CHANNEL_X     0
    513 #define BRW_CHANNEL_Y     1
    514 #define BRW_CHANNEL_Z     2
    515 #define BRW_CHANNEL_W     3
    516 
    517 enum brw_compression {
    518    BRW_COMPRESSION_NONE       = 0,
    519    BRW_COMPRESSION_2NDHALF    = 1,
    520    BRW_COMPRESSION_COMPRESSED = 2,
    521 };
    522 
    523 #define GEN6_COMPRESSION_1Q		0
    524 #define GEN6_COMPRESSION_2Q		1
    525 #define GEN6_COMPRESSION_3Q		2
    526 #define GEN6_COMPRESSION_4Q		3
    527 #define GEN6_COMPRESSION_1H		0
    528 #define GEN6_COMPRESSION_2H		2
    529 
    530 #define BRW_CONDITIONAL_NONE  0
    531 #define BRW_CONDITIONAL_Z     1
    532 #define BRW_CONDITIONAL_NZ    2
    533 #define BRW_CONDITIONAL_EQ    1	/* Z */
    534 #define BRW_CONDITIONAL_NEQ   2	/* NZ */
    535 #define BRW_CONDITIONAL_G     3
    536 #define BRW_CONDITIONAL_GE    4
    537 #define BRW_CONDITIONAL_L     5
    538 #define BRW_CONDITIONAL_LE    6
    539 #define BRW_CONDITIONAL_R     7
    540 #define BRW_CONDITIONAL_O     8
    541 #define BRW_CONDITIONAL_U     9
    542 
    543 #define BRW_DEBUG_NONE        0
    544 #define BRW_DEBUG_BREAKPOINT  1
    545 
    546 #define BRW_DEPENDENCY_NORMAL         0
    547 #define BRW_DEPENDENCY_NOTCLEARED     1
    548 #define BRW_DEPENDENCY_NOTCHECKED     2
    549 #define BRW_DEPENDENCY_DISABLE        3
    550 
    551 #define BRW_EXECUTE_1     0
    552 #define BRW_EXECUTE_2     1
    553 #define BRW_EXECUTE_4     2
    554 #define BRW_EXECUTE_8     3
    555 #define BRW_EXECUTE_16    4
    556 #define BRW_EXECUTE_32    5
    557 
    558 #define BRW_HORIZONTAL_STRIDE_0   0
    559 #define BRW_HORIZONTAL_STRIDE_1   1
    560 #define BRW_HORIZONTAL_STRIDE_2   2
    561 #define BRW_HORIZONTAL_STRIDE_4   3
    562 
    563 #define BRW_INSTRUCTION_NORMAL    0
    564 #define BRW_INSTRUCTION_SATURATE  1
    565 
    566 #define BRW_MASK_ENABLE   0
    567 #define BRW_MASK_DISABLE  1
    568 
    569 /** @{
    570  *
    571  * Gen6 has replaced "mask enable/disable" with WECtrl, which is
    572  * effectively the same but much simpler to think about.  Now, there
    573  * are two contributors ANDed together to whether channels are
    574  * executed: The predication on the instruction, and the channel write
    575  * enable.
    576  */
    577 /**
    578  * This is the default value.  It means that a channel's write enable is set
    579  * if the per-channel IP is pointing at this instruction.
    580  */
    581 #define BRW_WE_NORMAL		0
    582 /**
    583  * This is used like BRW_MASK_DISABLE, and causes all channels to have
    584  * their write enable set.  Note that predication still contributes to
    585  * whether the channel actually gets written.
    586  */
    587 #define BRW_WE_ALL		1
    588 /** @} */
    589 
    590 enum opcode {
    591    /* These are the actual hardware opcodes. */
    592    BRW_OPCODE_MOV =	1,
    593    BRW_OPCODE_SEL =	2,
    594    BRW_OPCODE_NOT =	4,
    595    BRW_OPCODE_AND =	5,
    596    BRW_OPCODE_OR =	6,
    597    BRW_OPCODE_XOR =	7,
    598    BRW_OPCODE_SHR =	8,
    599    BRW_OPCODE_SHL =	9,
    600    BRW_OPCODE_RSR =	10,
    601    BRW_OPCODE_RSL =	11,
    602    BRW_OPCODE_ASR =	12,
    603    BRW_OPCODE_CMP =	16,
    604    BRW_OPCODE_CMPN =	17,
    605    BRW_OPCODE_JMPI =	32,
    606    BRW_OPCODE_IF =	34,
    607    BRW_OPCODE_IFF =	35,
    608    BRW_OPCODE_ELSE =	36,
    609    BRW_OPCODE_ENDIF =	37,
    610    BRW_OPCODE_DO =	38,
    611    BRW_OPCODE_WHILE =	39,
    612    BRW_OPCODE_BREAK =	40,
    613    BRW_OPCODE_CONTINUE = 41,
    614    BRW_OPCODE_HALT =	42,
    615    BRW_OPCODE_MSAVE =	44,
    616    BRW_OPCODE_MRESTORE = 45,
    617    BRW_OPCODE_PUSH =	46,
    618    BRW_OPCODE_POP =	47,
    619    BRW_OPCODE_WAIT =	48,
    620    BRW_OPCODE_SEND =	49,
    621    BRW_OPCODE_SENDC =	50,
    622    BRW_OPCODE_MATH =	56,
    623    BRW_OPCODE_ADD =	64,
    624    BRW_OPCODE_MUL =	65,
    625    BRW_OPCODE_AVG =	66,
    626    BRW_OPCODE_FRC =	67,
    627    BRW_OPCODE_RNDU =	68,
    628    BRW_OPCODE_RNDD =	69,
    629    BRW_OPCODE_RNDE =	70,
    630    BRW_OPCODE_RNDZ =	71,
    631    BRW_OPCODE_MAC =	72,
    632    BRW_OPCODE_MACH =	73,
    633    BRW_OPCODE_LZD =	74,
    634    BRW_OPCODE_SAD2 =	80,
    635    BRW_OPCODE_SADA2 =	81,
    636    BRW_OPCODE_DP4 =	84,
    637    BRW_OPCODE_DPH =	85,
    638    BRW_OPCODE_DP3 =	86,
    639    BRW_OPCODE_DP2 =	87,
    640    BRW_OPCODE_DPA2 =	88,
    641    BRW_OPCODE_LINE =	89,
    642    BRW_OPCODE_PLN =	90,
    643    BRW_OPCODE_MAD =	91,
    644    BRW_OPCODE_NOP =	126,
    645 
    646    /* These are compiler backend opcodes that get translated into other
    647     * instructions.
    648     */
    649    FS_OPCODE_FB_WRITE = 128,
    650    SHADER_OPCODE_RCP,
    651    SHADER_OPCODE_RSQ,
    652    SHADER_OPCODE_SQRT,
    653    SHADER_OPCODE_EXP2,
    654    SHADER_OPCODE_LOG2,
    655    SHADER_OPCODE_POW,
    656    SHADER_OPCODE_INT_QUOTIENT,
    657    SHADER_OPCODE_INT_REMAINDER,
    658    SHADER_OPCODE_SIN,
    659    SHADER_OPCODE_COS,
    660 
    661    SHADER_OPCODE_TEX,
    662    SHADER_OPCODE_TXD,
    663    SHADER_OPCODE_TXF,
    664    SHADER_OPCODE_TXL,
    665    SHADER_OPCODE_TXS,
    666    FS_OPCODE_TXB,
    667 
    668    FS_OPCODE_DDX,
    669    FS_OPCODE_DDY,
    670    FS_OPCODE_PIXEL_X,
    671    FS_OPCODE_PIXEL_Y,
    672    FS_OPCODE_CINTERP,
    673    FS_OPCODE_LINTERP,
    674    FS_OPCODE_DISCARD,
    675    FS_OPCODE_SPILL,
    676    FS_OPCODE_UNSPILL,
    677    FS_OPCODE_PULL_CONSTANT_LOAD,
    678    FS_OPCODE_MOV_DISPATCH_TO_FLAGS,
    679 
    680    VS_OPCODE_URB_WRITE,
    681    VS_OPCODE_SCRATCH_READ,
    682    VS_OPCODE_SCRATCH_WRITE,
    683    VS_OPCODE_PULL_CONSTANT_LOAD,
    684 };
    685 
    686 #define BRW_PREDICATE_NONE             0
    687 #define BRW_PREDICATE_NORMAL           1
    688 #define BRW_PREDICATE_ALIGN1_ANYV             2
    689 #define BRW_PREDICATE_ALIGN1_ALLV             3
    690 #define BRW_PREDICATE_ALIGN1_ANY2H            4
    691 #define BRW_PREDICATE_ALIGN1_ALL2H            5
    692 #define BRW_PREDICATE_ALIGN1_ANY4H            6
    693 #define BRW_PREDICATE_ALIGN1_ALL4H            7
    694 #define BRW_PREDICATE_ALIGN1_ANY8H            8
    695 #define BRW_PREDICATE_ALIGN1_ALL8H            9
    696 #define BRW_PREDICATE_ALIGN1_ANY16H           10
    697 #define BRW_PREDICATE_ALIGN1_ALL16H           11
    698 #define BRW_PREDICATE_ALIGN16_REPLICATE_X     2
    699 #define BRW_PREDICATE_ALIGN16_REPLICATE_Y     3
    700 #define BRW_PREDICATE_ALIGN16_REPLICATE_Z     4
    701 #define BRW_PREDICATE_ALIGN16_REPLICATE_W     5
    702 #define BRW_PREDICATE_ALIGN16_ANY4H           6
    703 #define BRW_PREDICATE_ALIGN16_ALL4H           7
    704 
    705 #define BRW_ARCHITECTURE_REGISTER_FILE    0
    706 #define BRW_GENERAL_REGISTER_FILE         1
    707 #define BRW_MESSAGE_REGISTER_FILE         2
    708 #define BRW_IMMEDIATE_VALUE               3
    709 
    710 #define BRW_REGISTER_TYPE_UD  0
    711 #define BRW_REGISTER_TYPE_D   1
    712 #define BRW_REGISTER_TYPE_UW  2
    713 #define BRW_REGISTER_TYPE_W   3
    714 #define BRW_REGISTER_TYPE_UB  4
    715 #define BRW_REGISTER_TYPE_B   5
    716 #define BRW_REGISTER_TYPE_VF  5	/* packed float vector, immediates only? */
    717 #define BRW_REGISTER_TYPE_HF  6
    718 #define BRW_REGISTER_TYPE_V   6	/* packed int vector, immediates only, uword dest only */
    719 #define BRW_REGISTER_TYPE_F   7
    720 
    721 #define BRW_ARF_NULL                  0x00
    722 #define BRW_ARF_ADDRESS               0x10
    723 #define BRW_ARF_ACCUMULATOR           0x20
    724 #define BRW_ARF_FLAG                  0x30
    725 #define BRW_ARF_MASK                  0x40
    726 #define BRW_ARF_MASK_STACK            0x50
    727 #define BRW_ARF_MASK_STACK_DEPTH      0x60
    728 #define BRW_ARF_STATE                 0x70
    729 #define BRW_ARF_CONTROL               0x80
    730 #define BRW_ARF_NOTIFICATION_COUNT    0x90
    731 #define BRW_ARF_IP                    0xA0
    732 
    733 #define BRW_MRF_COMPR4			(1 << 7)
    734 
    735 #define BRW_AMASK   0
    736 #define BRW_IMASK   1
    737 #define BRW_LMASK   2
    738 #define BRW_CMASK   3
    739 
    740 
    741 
    742 #define BRW_THREAD_NORMAL     0
    743 #define BRW_THREAD_ATOMIC     1
    744 #define BRW_THREAD_SWITCH     2
    745 
    746 #define BRW_VERTICAL_STRIDE_0                 0
    747 #define BRW_VERTICAL_STRIDE_1                 1
    748 #define BRW_VERTICAL_STRIDE_2                 2
    749 #define BRW_VERTICAL_STRIDE_4                 3
    750 #define BRW_VERTICAL_STRIDE_8                 4
    751 #define BRW_VERTICAL_STRIDE_16                5
    752 #define BRW_VERTICAL_STRIDE_32                6
    753 #define BRW_VERTICAL_STRIDE_64                7
    754 #define BRW_VERTICAL_STRIDE_128               8
    755 #define BRW_VERTICAL_STRIDE_256               9
    756 #define BRW_VERTICAL_STRIDE_ONE_DIMENSIONAL   0xF
    757 
    758 #define BRW_WIDTH_1       0
    759 #define BRW_WIDTH_2       1
    760 #define BRW_WIDTH_4       2
    761 #define BRW_WIDTH_8       3
    762 #define BRW_WIDTH_16      4
    763 
    764 #define BRW_STATELESS_BUFFER_BOUNDARY_1K      0
    765 #define BRW_STATELESS_BUFFER_BOUNDARY_2K      1
    766 #define BRW_STATELESS_BUFFER_BOUNDARY_4K      2
    767 #define BRW_STATELESS_BUFFER_BOUNDARY_8K      3
    768 #define BRW_STATELESS_BUFFER_BOUNDARY_16K     4
    769 #define BRW_STATELESS_BUFFER_BOUNDARY_32K     5
    770 #define BRW_STATELESS_BUFFER_BOUNDARY_64K     6
    771 #define BRW_STATELESS_BUFFER_BOUNDARY_128K    7
    772 #define BRW_STATELESS_BUFFER_BOUNDARY_256K    8
    773 #define BRW_STATELESS_BUFFER_BOUNDARY_512K    9
    774 #define BRW_STATELESS_BUFFER_BOUNDARY_1M      10
    775 #define BRW_STATELESS_BUFFER_BOUNDARY_2M      11
    776 
    777 #define BRW_POLYGON_FACING_FRONT      0
    778 #define BRW_POLYGON_FACING_BACK       1
    779 
    780 /**
    781  * Message target: Shared Function ID for where to SEND a message.
    782  *
    783  * These are enumerated in the ISA reference under "send - Send Message".
    784  * In particular, see the following tables:
    785  * - G45 PRM, Volume 4, Table 14-15 "Message Descriptor Definition"
    786  * - Sandybridge PRM, Volume 4 Part 2, Table 8-16 "Extended Message Descriptor"
    787  * - BSpec, Volume 1a (GPU Overview) / Graphics Processing Engine (GPE) /
    788  *   Overview / GPE Function IDs
    789  */
    790 enum brw_message_target {
    791    BRW_SFID_NULL                     = 0,
    792    BRW_SFID_MATH                     = 1, /* Only valid on Gen4-5 */
    793    BRW_SFID_SAMPLER                  = 2,
    794    BRW_SFID_MESSAGE_GATEWAY          = 3,
    795    BRW_SFID_DATAPORT_READ            = 4,
    796    BRW_SFID_DATAPORT_WRITE           = 5,
    797    BRW_SFID_URB                      = 6,
    798    BRW_SFID_THREAD_SPAWNER           = 7,
    799 
    800    GEN6_SFID_DATAPORT_SAMPLER_CACHE  = 4,
    801    GEN6_SFID_DATAPORT_RENDER_CACHE   = 5,
    802    GEN6_SFID_DATAPORT_CONSTANT_CACHE = 9,
    803 
    804    GEN7_SFID_DATAPORT_DATA_CACHE     = 10,
    805 };
    806 
    807 #define GEN7_MESSAGE_TARGET_DP_DATA_CACHE     10
    808 
    809 #define BRW_SAMPLER_RETURN_FORMAT_FLOAT32     0
    810 #define BRW_SAMPLER_RETURN_FORMAT_UINT32      2
    811 #define BRW_SAMPLER_RETURN_FORMAT_SINT32      3
    812 
    813 #define BRW_SAMPLER_MESSAGE_SIMD8_SAMPLE              0
    814 #define BRW_SAMPLER_MESSAGE_SIMD16_SAMPLE             0
    815 #define BRW_SAMPLER_MESSAGE_SIMD16_SAMPLE_BIAS        0
    816 #define BRW_SAMPLER_MESSAGE_SIMD8_KILLPIX             1
    817 #define BRW_SAMPLER_MESSAGE_SIMD4X2_SAMPLE_LOD        1
    818 #define BRW_SAMPLER_MESSAGE_SIMD16_SAMPLE_LOD         1
    819 #define BRW_SAMPLER_MESSAGE_SIMD4X2_SAMPLE_GRADIENTS  2
    820 #define BRW_SAMPLER_MESSAGE_SIMD8_SAMPLE_GRADIENTS    2
    821 #define BRW_SAMPLER_MESSAGE_SIMD4X2_SAMPLE_COMPARE    0
    822 #define BRW_SAMPLER_MESSAGE_SIMD16_SAMPLE_COMPARE     2
    823 #define BRW_SAMPLER_MESSAGE_SIMD8_SAMPLE_BIAS_COMPARE 0
    824 #define BRW_SAMPLER_MESSAGE_SIMD4X2_SAMPLE_LOD_COMPARE 1
    825 #define BRW_SAMPLER_MESSAGE_SIMD8_SAMPLE_LOD_COMPARE  1
    826 #define BRW_SAMPLER_MESSAGE_SIMD4X2_RESINFO           2
    827 #define BRW_SAMPLER_MESSAGE_SIMD16_RESINFO            2
    828 #define BRW_SAMPLER_MESSAGE_SIMD4X2_LD                3
    829 #define BRW_SAMPLER_MESSAGE_SIMD8_LD                  3
    830 #define BRW_SAMPLER_MESSAGE_SIMD16_LD                 3
    831 
    832 #define GEN5_SAMPLER_MESSAGE_SAMPLE              0
    833 #define GEN5_SAMPLER_MESSAGE_SAMPLE_BIAS         1
    834 #define GEN5_SAMPLER_MESSAGE_SAMPLE_LOD          2
    835 #define GEN5_SAMPLER_MESSAGE_SAMPLE_COMPARE      3
    836 #define GEN5_SAMPLER_MESSAGE_SAMPLE_DERIVS       4
    837 #define GEN5_SAMPLER_MESSAGE_SAMPLE_BIAS_COMPARE 5
    838 #define GEN5_SAMPLER_MESSAGE_SAMPLE_LOD_COMPARE  6
    839 #define GEN5_SAMPLER_MESSAGE_SAMPLE_LD           7
    840 #define GEN5_SAMPLER_MESSAGE_SAMPLE_RESINFO      10
    841 #define HSW_SAMPLER_MESSAGE_SAMPLE_DERIV_COMPARE 20
    842 #define GEN7_SAMPLER_MESSAGE_SAMPLE_LD_MCS       29
    843 #define GEN7_SAMPLER_MESSAGE_SAMPLE_LD2DMS       30
    844 #define GEN7_SAMPLER_MESSAGE_SAMPLE_LD2DSS       31
    845 
    846 /* for GEN5 only */
    847 #define BRW_SAMPLER_SIMD_MODE_SIMD4X2                   0
    848 #define BRW_SAMPLER_SIMD_MODE_SIMD8                     1
    849 #define BRW_SAMPLER_SIMD_MODE_SIMD16                    2
    850 #define BRW_SAMPLER_SIMD_MODE_SIMD32_64                 3
    851 
    852 #define BRW_DATAPORT_OWORD_BLOCK_1_OWORDLOW   0
    853 #define BRW_DATAPORT_OWORD_BLOCK_1_OWORDHIGH  1
    854 #define BRW_DATAPORT_OWORD_BLOCK_2_OWORDS     2
    855 #define BRW_DATAPORT_OWORD_BLOCK_4_OWORDS     3
    856 #define BRW_DATAPORT_OWORD_BLOCK_8_OWORDS     4
    857 
    858 #define BRW_DATAPORT_OWORD_DUAL_BLOCK_1OWORD     0
    859 #define BRW_DATAPORT_OWORD_DUAL_BLOCK_4OWORDS    2
    860 
    861 #define BRW_DATAPORT_DWORD_SCATTERED_BLOCK_8DWORDS   2
    862 #define BRW_DATAPORT_DWORD_SCATTERED_BLOCK_16DWORDS  3
    863 
    864 /* This one stays the same across generations. */
    865 #define BRW_DATAPORT_READ_MESSAGE_OWORD_BLOCK_READ          0
    866 /* GEN4 */
    867 #define BRW_DATAPORT_READ_MESSAGE_OWORD_DUAL_BLOCK_READ     1
    868 #define BRW_DATAPORT_READ_MESSAGE_MEDIA_BLOCK_READ          2
    869 #define BRW_DATAPORT_READ_MESSAGE_DWORD_SCATTERED_READ      3
    870 /* G45, GEN5 */
    871 #define G45_DATAPORT_READ_MESSAGE_RENDER_UNORM_READ	    1
    872 #define G45_DATAPORT_READ_MESSAGE_OWORD_DUAL_BLOCK_READ     2
    873 #define G45_DATAPORT_READ_MESSAGE_AVC_LOOP_FILTER_READ	    3
    874 #define G45_DATAPORT_READ_MESSAGE_MEDIA_BLOCK_READ          4
    875 #define G45_DATAPORT_READ_MESSAGE_DWORD_SCATTERED_READ      6
    876 /* GEN6 */
    877 #define GEN6_DATAPORT_READ_MESSAGE_RENDER_UNORM_READ	    1
    878 #define GEN6_DATAPORT_READ_MESSAGE_OWORD_DUAL_BLOCK_READ     2
    879 #define GEN6_DATAPORT_READ_MESSAGE_MEDIA_BLOCK_READ          4
    880 #define GEN6_DATAPORT_READ_MESSAGE_OWORD_UNALIGN_BLOCK_READ  5
    881 #define GEN6_DATAPORT_READ_MESSAGE_DWORD_SCATTERED_READ      6
    882 
    883 #define BRW_DATAPORT_READ_TARGET_DATA_CACHE      0
    884 #define BRW_DATAPORT_READ_TARGET_RENDER_CACHE    1
    885 #define BRW_DATAPORT_READ_TARGET_SAMPLER_CACHE   2
    886 
    887 #define BRW_DATAPORT_RENDER_TARGET_WRITE_SIMD16_SINGLE_SOURCE                0
    888 #define BRW_DATAPORT_RENDER_TARGET_WRITE_SIMD16_SINGLE_SOURCE_REPLICATED     1
    889 #define BRW_DATAPORT_RENDER_TARGET_WRITE_SIMD8_DUAL_SOURCE_SUBSPAN01         2
    890 #define BRW_DATAPORT_RENDER_TARGET_WRITE_SIMD8_DUAL_SOURCE_SUBSPAN23         3
    891 #define BRW_DATAPORT_RENDER_TARGET_WRITE_SIMD8_SINGLE_SOURCE_SUBSPAN01       4
    892 
    893 #define BRW_DATAPORT_WRITE_MESSAGE_OWORD_BLOCK_WRITE                0
    894 #define BRW_DATAPORT_WRITE_MESSAGE_OWORD_DUAL_BLOCK_WRITE           1
    895 #define BRW_DATAPORT_WRITE_MESSAGE_MEDIA_BLOCK_WRITE                2
    896 #define BRW_DATAPORT_WRITE_MESSAGE_DWORD_SCATTERED_WRITE            3
    897 #define BRW_DATAPORT_WRITE_MESSAGE_RENDER_TARGET_WRITE              4
    898 #define BRW_DATAPORT_WRITE_MESSAGE_STREAMED_VERTEX_BUFFER_WRITE     5
    899 #define BRW_DATAPORT_WRITE_MESSAGE_FLUSH_RENDER_CACHE               7
    900 
    901 /* GEN6 */
    902 #define GEN6_DATAPORT_WRITE_MESSAGE_DWORD_ATOMIC_WRITE              7
    903 #define GEN6_DATAPORT_WRITE_MESSAGE_OWORD_BLOCK_WRITE               8
    904 #define GEN6_DATAPORT_WRITE_MESSAGE_OWORD_DUAL_BLOCK_WRITE          9
    905 #define GEN6_DATAPORT_WRITE_MESSAGE_MEDIA_BLOCK_WRITE               10
    906 #define GEN6_DATAPORT_WRITE_MESSAGE_DWORD_SCATTERED_WRITE           11
    907 #define GEN6_DATAPORT_WRITE_MESSAGE_RENDER_TARGET_WRITE             12
    908 #define GEN6_DATAPORT_WRITE_MESSAGE_STREAMED_VB_WRITE               13
    909 #define GEN6_DATAPORT_WRITE_MESSAGE_RENDER_TARGET_UNORM_WRITE       14
    910 
    911 /* GEN7 */
    912 #define GEN7_DATAPORT_WRITE_MESSAGE_OWORD_DUAL_BLOCK_WRITE          10
    913 
    914 #define BRW_MATH_FUNCTION_INV                              1
    915 #define BRW_MATH_FUNCTION_LOG                              2
    916 #define BRW_MATH_FUNCTION_EXP                              3
    917 #define BRW_MATH_FUNCTION_SQRT                             4
    918 #define BRW_MATH_FUNCTION_RSQ                              5
    919 #define BRW_MATH_FUNCTION_SIN                              6 /* was 7 */
    920 #define BRW_MATH_FUNCTION_COS                              7 /* was 8 */
    921 #define BRW_MATH_FUNCTION_SINCOS                           8 /* was 6 */
    922 #define BRW_MATH_FUNCTION_TAN                              9 /* gen4 */
    923 #define BRW_MATH_FUNCTION_FDIV                             9 /* gen6+ */
    924 #define BRW_MATH_FUNCTION_POW                              10
    925 #define BRW_MATH_FUNCTION_INT_DIV_QUOTIENT_AND_REMAINDER   11
    926 #define BRW_MATH_FUNCTION_INT_DIV_QUOTIENT                 12
    927 #define BRW_MATH_FUNCTION_INT_DIV_REMAINDER                13
    928 
    929 #define BRW_MATH_INTEGER_UNSIGNED     0
    930 #define BRW_MATH_INTEGER_SIGNED       1
    931 
    932 #define BRW_MATH_PRECISION_FULL        0
    933 #define BRW_MATH_PRECISION_PARTIAL     1
    934 
    935 #define BRW_MATH_SATURATE_NONE         0
    936 #define BRW_MATH_SATURATE_SATURATE     1
    937 
    938 #define BRW_MATH_DATA_VECTOR  0
    939 #define BRW_MATH_DATA_SCALAR  1
    940 
    941 #define BRW_URB_OPCODE_WRITE  0
    942 
    943 #define BRW_URB_SWIZZLE_NONE          0
    944 #define BRW_URB_SWIZZLE_INTERLEAVE    1
    945 #define BRW_URB_SWIZZLE_TRANSPOSE     2
    946 
    947 #define BRW_SCRATCH_SPACE_SIZE_1K     0
    948 #define BRW_SCRATCH_SPACE_SIZE_2K     1
    949 #define BRW_SCRATCH_SPACE_SIZE_4K     2
    950 #define BRW_SCRATCH_SPACE_SIZE_8K     3
    951 #define BRW_SCRATCH_SPACE_SIZE_16K    4
    952 #define BRW_SCRATCH_SPACE_SIZE_32K    5
    953 #define BRW_SCRATCH_SPACE_SIZE_64K    6
    954 #define BRW_SCRATCH_SPACE_SIZE_128K   7
    955 #define BRW_SCRATCH_SPACE_SIZE_256K   8
    956 #define BRW_SCRATCH_SPACE_SIZE_512K   9
    957 #define BRW_SCRATCH_SPACE_SIZE_1M     10
    958 #define BRW_SCRATCH_SPACE_SIZE_2M     11
    959 
    960 
    961 
    962 
    963 #define CMD_URB_FENCE                 0x6000
    964 #define CMD_CS_URB_STATE              0x6001
    965 #define CMD_CONST_BUFFER              0x6002
    966 
    967 #define CMD_STATE_BASE_ADDRESS        0x6101
    968 #define CMD_STATE_SIP                 0x6102
    969 #define CMD_PIPELINE_SELECT_965       0x6104
    970 #define CMD_PIPELINE_SELECT_GM45      0x6904
    971 
    972 #define _3DSTATE_PIPELINED_POINTERS		0x7800
    973 #define _3DSTATE_BINDING_TABLE_POINTERS		0x7801
    974 # define GEN6_BINDING_TABLE_MODIFY_VS	(1 << 8)
    975 # define GEN6_BINDING_TABLE_MODIFY_GS	(1 << 9)
    976 # define GEN6_BINDING_TABLE_MODIFY_PS	(1 << 12)
    977 
    978 #define _3DSTATE_BINDING_TABLE_POINTERS_VS	0x7826 /* GEN7+ */
    979 #define _3DSTATE_BINDING_TABLE_POINTERS_HS	0x7827 /* GEN7+ */
    980 #define _3DSTATE_BINDING_TABLE_POINTERS_DS	0x7828 /* GEN7+ */
    981 #define _3DSTATE_BINDING_TABLE_POINTERS_GS	0x7829 /* GEN7+ */
    982 #define _3DSTATE_BINDING_TABLE_POINTERS_PS	0x782A /* GEN7+ */
    983 
    984 #define _3DSTATE_SAMPLER_STATE_POINTERS		0x7802 /* GEN6+ */
    985 # define PS_SAMPLER_STATE_CHANGE				(1 << 12)
    986 # define GS_SAMPLER_STATE_CHANGE				(1 << 9)
    987 # define VS_SAMPLER_STATE_CHANGE				(1 << 8)
    988 /* DW1: VS */
    989 /* DW2: GS */
    990 /* DW3: PS */
    991 
    992 #define _3DSTATE_SAMPLER_STATE_POINTERS_VS	0x782B /* GEN7+ */
    993 #define _3DSTATE_SAMPLER_STATE_POINTERS_GS	0x782E /* GEN7+ */
    994 #define _3DSTATE_SAMPLER_STATE_POINTERS_PS	0x782F /* GEN7+ */
    995 
    996 #define _3DSTATE_VERTEX_BUFFERS       0x7808
    997 # define BRW_VB0_INDEX_SHIFT		27
    998 # define GEN6_VB0_INDEX_SHIFT		26
    999 # define BRW_VB0_ACCESS_VERTEXDATA	(0 << 26)
   1000 # define BRW_VB0_ACCESS_INSTANCEDATA	(1 << 26)
   1001 # define GEN6_VB0_ACCESS_VERTEXDATA	(0 << 20)
   1002 # define GEN6_VB0_ACCESS_INSTANCEDATA	(1 << 20)
   1003 # define GEN7_VB0_ADDRESS_MODIFYENABLE  (1 << 14)
   1004 # define BRW_VB0_PITCH_SHIFT		0
   1005 
   1006 #define _3DSTATE_VERTEX_ELEMENTS      0x7809
   1007 # define BRW_VE0_INDEX_SHIFT		27
   1008 # define GEN6_VE0_INDEX_SHIFT		26
   1009 # define BRW_VE0_FORMAT_SHIFT		16
   1010 # define BRW_VE0_VALID			(1 << 26)
   1011 # define GEN6_VE0_VALID			(1 << 25)
   1012 # define GEN6_VE0_EDGE_FLAG_ENABLE	(1 << 15)
   1013 # define BRW_VE0_SRC_OFFSET_SHIFT	0
   1014 # define BRW_VE1_COMPONENT_NOSTORE	0
   1015 # define BRW_VE1_COMPONENT_STORE_SRC	1
   1016 # define BRW_VE1_COMPONENT_STORE_0	2
   1017 # define BRW_VE1_COMPONENT_STORE_1_FLT	3
   1018 # define BRW_VE1_COMPONENT_STORE_1_INT	4
   1019 # define BRW_VE1_COMPONENT_STORE_VID	5
   1020 # define BRW_VE1_COMPONENT_STORE_IID	6
   1021 # define BRW_VE1_COMPONENT_STORE_PID	7
   1022 # define BRW_VE1_COMPONENT_0_SHIFT	28
   1023 # define BRW_VE1_COMPONENT_1_SHIFT	24
   1024 # define BRW_VE1_COMPONENT_2_SHIFT	20
   1025 # define BRW_VE1_COMPONENT_3_SHIFT	16
   1026 # define BRW_VE1_DST_OFFSET_SHIFT	0
   1027 
   1028 #define CMD_INDEX_BUFFER              0x780a
   1029 #define GEN4_3DSTATE_VF_STATISTICS		0x780b
   1030 #define GM45_3DSTATE_VF_STATISTICS		0x680b
   1031 #define _3DSTATE_CC_STATE_POINTERS		0x780e /* GEN6+ */
   1032 #define _3DSTATE_BLEND_STATE_POINTERS		0x7824 /* GEN7+ */
   1033 #define _3DSTATE_DEPTH_STENCIL_STATE_POINTERS	0x7825 /* GEN7+ */
   1034 
   1035 #define _3DSTATE_URB				0x7805 /* GEN6 */
   1036 # define GEN6_URB_VS_SIZE_SHIFT				16
   1037 # define GEN6_URB_VS_ENTRIES_SHIFT			0
   1038 # define GEN6_URB_GS_ENTRIES_SHIFT			8
   1039 # define GEN6_URB_GS_SIZE_SHIFT				0
   1040 
   1041 #define _3DSTATE_VF                             0x780c /* GEN7.5+ */
   1042 #define HSW_CUT_INDEX_ENABLE                            (1 << 8)
   1043 
   1044 #define _3DSTATE_URB_VS                         0x7830 /* GEN7+ */
   1045 #define _3DSTATE_URB_HS                         0x7831 /* GEN7+ */
   1046 #define _3DSTATE_URB_DS                         0x7832 /* GEN7+ */
   1047 #define _3DSTATE_URB_GS                         0x7833 /* GEN7+ */
   1048 # define GEN7_URB_ENTRY_SIZE_SHIFT                      16
   1049 # define GEN7_URB_STARTING_ADDRESS_SHIFT                25
   1050 
   1051 #define _3DSTATE_PUSH_CONSTANT_ALLOC_VS         0x7912 /* GEN7+ */
   1052 #define _3DSTATE_PUSH_CONSTANT_ALLOC_PS         0x7916 /* GEN7+ */
   1053 # define GEN7_PUSH_CONSTANT_BUFFER_OFFSET_SHIFT         16
   1054 
   1055 #define _3DSTATE_VIEWPORT_STATE_POINTERS	0x780d /* GEN6+ */
   1056 # define GEN6_CC_VIEWPORT_MODIFY			(1 << 12)
   1057 # define GEN6_SF_VIEWPORT_MODIFY			(1 << 11)
   1058 # define GEN6_CLIP_VIEWPORT_MODIFY			(1 << 10)
   1059 
   1060 #define _3DSTATE_VIEWPORT_STATE_POINTERS_CC	0x7823 /* GEN7+ */
   1061 #define _3DSTATE_VIEWPORT_STATE_POINTERS_SF_CL	0x7821 /* GEN7+ */
   1062 
   1063 #define _3DSTATE_SCISSOR_STATE_POINTERS		0x780f /* GEN6+ */
   1064 
   1065 #define _3DSTATE_VS				0x7810 /* GEN6+ */
   1066 /* DW2 */
   1067 # define GEN6_VS_SPF_MODE				(1 << 31)
   1068 # define GEN6_VS_VECTOR_MASK_ENABLE			(1 << 30)
   1069 # define GEN6_VS_SAMPLER_COUNT_SHIFT			27
   1070 # define GEN6_VS_BINDING_TABLE_ENTRY_COUNT_SHIFT	18
   1071 # define GEN6_VS_FLOATING_POINT_MODE_IEEE_754		(0 << 16)
   1072 # define GEN6_VS_FLOATING_POINT_MODE_ALT		(1 << 16)
   1073 /* DW4 */
   1074 # define GEN6_VS_DISPATCH_START_GRF_SHIFT		20
   1075 # define GEN6_VS_URB_READ_LENGTH_SHIFT			11
   1076 # define GEN6_VS_URB_ENTRY_READ_OFFSET_SHIFT		4
   1077 /* DW5 */
   1078 # define GEN6_VS_MAX_THREADS_SHIFT			25
   1079 # define HSW_VS_MAX_THREADS_SHIFT			23
   1080 # define GEN6_VS_STATISTICS_ENABLE			(1 << 10)
   1081 # define GEN6_VS_CACHE_DISABLE				(1 << 1)
   1082 # define GEN6_VS_ENABLE					(1 << 0)
   1083 
   1084 #define _3DSTATE_GS		      		0x7811 /* GEN6+ */
   1085 /* DW2 */
   1086 # define GEN6_GS_SPF_MODE				(1 << 31)
   1087 # define GEN6_GS_VECTOR_MASK_ENABLE			(1 << 30)
   1088 # define GEN6_GS_SAMPLER_COUNT_SHIFT			27
   1089 # define GEN6_GS_BINDING_TABLE_ENTRY_COUNT_SHIFT	18
   1090 # define GEN6_GS_FLOATING_POINT_MODE_IEEE_754		(0 << 16)
   1091 # define GEN6_GS_FLOATING_POINT_MODE_ALT		(1 << 16)
   1092 /* DW4 */
   1093 # define GEN6_GS_URB_READ_LENGTH_SHIFT			11
   1094 # define GEN7_GS_INCLUDE_VERTEX_HANDLES		        (1 << 10)
   1095 # define GEN6_GS_URB_ENTRY_READ_OFFSET_SHIFT		4
   1096 # define GEN6_GS_DISPATCH_START_GRF_SHIFT		0
   1097 /* DW5 */
   1098 # define GEN6_GS_MAX_THREADS_SHIFT			25
   1099 # define GEN6_GS_STATISTICS_ENABLE			(1 << 10)
   1100 # define GEN6_GS_SO_STATISTICS_ENABLE			(1 << 9)
   1101 # define GEN6_GS_RENDERING_ENABLE			(1 << 8)
   1102 # define GEN7_GS_ENABLE					(1 << 0)
   1103 /* DW6 */
   1104 # define GEN6_GS_REORDER				(1 << 30)
   1105 # define GEN6_GS_DISCARD_ADJACENCY			(1 << 29)
   1106 # define GEN6_GS_SVBI_PAYLOAD_ENABLE			(1 << 28)
   1107 # define GEN6_GS_SVBI_POSTINCREMENT_ENABLE		(1 << 27)
   1108 # define GEN6_GS_SVBI_POSTINCREMENT_VALUE_SHIFT		16
   1109 # define GEN6_GS_SVBI_POSTINCREMENT_VALUE_MASK		INTEL_MASK(25, 16)
   1110 # define GEN6_GS_ENABLE					(1 << 15)
   1111 
   1112 # define BRW_GS_EDGE_INDICATOR_0			(1 << 8)
   1113 # define BRW_GS_EDGE_INDICATOR_1			(1 << 9)
   1114 
   1115 #define _3DSTATE_HS                             0x781B /* GEN7+ */
   1116 #define _3DSTATE_TE                             0x781C /* GEN7+ */
   1117 #define _3DSTATE_DS                             0x781D /* GEN7+ */
   1118 
   1119 #define _3DSTATE_CLIP				0x7812 /* GEN6+ */
   1120 /* DW1 */
   1121 # define GEN7_CLIP_WINDING_CW                           (0 << 20)
   1122 # define GEN7_CLIP_WINDING_CCW                          (1 << 20)
   1123 # define GEN7_CLIP_VERTEX_SUBPIXEL_PRECISION_8          (0 << 19)
   1124 # define GEN7_CLIP_VERTEX_SUBPIXEL_PRECISION_4          (1 << 19)
   1125 # define GEN7_CLIP_EARLY_CULL                           (1 << 18)
   1126 # define GEN7_CLIP_CULLMODE_BOTH                        (0 << 16)
   1127 # define GEN7_CLIP_CULLMODE_NONE                        (1 << 16)
   1128 # define GEN7_CLIP_CULLMODE_FRONT                       (2 << 16)
   1129 # define GEN7_CLIP_CULLMODE_BACK                        (3 << 16)
   1130 # define GEN6_CLIP_STATISTICS_ENABLE			(1 << 10)
   1131 /**
   1132  * Just does cheap culling based on the clip distance.  Bits must be
   1133  * disjoint with USER_CLIP_CLIP_DISTANCE bits.
   1134  */
   1135 # define GEN6_USER_CLIP_CULL_DISTANCES_SHIFT		0
   1136 /* DW2 */
   1137 # define GEN6_CLIP_ENABLE				(1 << 31)
   1138 # define GEN6_CLIP_API_OGL				(0 << 30)
   1139 # define GEN6_CLIP_API_D3D				(1 << 30)
   1140 # define GEN6_CLIP_XY_TEST				(1 << 28)
   1141 # define GEN6_CLIP_Z_TEST				(1 << 27)
   1142 # define GEN6_CLIP_GB_TEST				(1 << 26)
   1143 /** 8-bit field of which user clip distances to clip aganist. */
   1144 # define GEN6_USER_CLIP_CLIP_DISTANCES_SHIFT		16
   1145 # define GEN6_CLIP_MODE_NORMAL				(0 << 13)
   1146 # define GEN6_CLIP_MODE_REJECT_ALL			(3 << 13)
   1147 # define GEN6_CLIP_MODE_ACCEPT_ALL			(4 << 13)
   1148 # define GEN6_CLIP_PERSPECTIVE_DIVIDE_DISABLE		(1 << 9)
   1149 # define GEN6_CLIP_NON_PERSPECTIVE_BARYCENTRIC_ENABLE	(1 << 8)
   1150 # define GEN6_CLIP_TRI_PROVOKE_SHIFT			4
   1151 # define GEN6_CLIP_LINE_PROVOKE_SHIFT			2
   1152 # define GEN6_CLIP_TRIFAN_PROVOKE_SHIFT			0
   1153 /* DW3 */
   1154 # define GEN6_CLIP_MIN_POINT_WIDTH_SHIFT		17
   1155 # define GEN6_CLIP_MAX_POINT_WIDTH_SHIFT		6
   1156 # define GEN6_CLIP_FORCE_ZERO_RTAINDEX			(1 << 5)
   1157 
   1158 #define _3DSTATE_SF				0x7813 /* GEN6+ */
   1159 /* DW1 (for gen6) */
   1160 # define GEN6_SF_NUM_OUTPUTS_SHIFT			22
   1161 # define GEN6_SF_SWIZZLE_ENABLE				(1 << 21)
   1162 # define GEN6_SF_POINT_SPRITE_UPPERLEFT			(0 << 20)
   1163 # define GEN6_SF_POINT_SPRITE_LOWERLEFT			(1 << 20)
   1164 # define GEN6_SF_URB_ENTRY_READ_LENGTH_SHIFT		11
   1165 # define GEN6_SF_URB_ENTRY_READ_OFFSET_SHIFT		4
   1166 /* DW2 */
   1167 # define GEN6_SF_LEGACY_GLOBAL_DEPTH_BIAS		(1 << 11)
   1168 # define GEN6_SF_STATISTICS_ENABLE			(1 << 10)
   1169 # define GEN6_SF_GLOBAL_DEPTH_OFFSET_SOLID		(1 << 9)
   1170 # define GEN6_SF_GLOBAL_DEPTH_OFFSET_WIREFRAME		(1 << 8)
   1171 # define GEN6_SF_GLOBAL_DEPTH_OFFSET_POINT		(1 << 7)
   1172 # define GEN6_SF_FRONT_SOLID				(0 << 5)
   1173 # define GEN6_SF_FRONT_WIREFRAME			(1 << 5)
   1174 # define GEN6_SF_FRONT_POINT				(2 << 5)
   1175 # define GEN6_SF_BACK_SOLID				(0 << 3)
   1176 # define GEN6_SF_BACK_WIREFRAME				(1 << 3)
   1177 # define GEN6_SF_BACK_POINT				(2 << 3)
   1178 # define GEN6_SF_VIEWPORT_TRANSFORM_ENABLE		(1 << 1)
   1179 # define GEN6_SF_WINDING_CCW				(1 << 0)
   1180 /* DW3 */
   1181 # define GEN6_SF_LINE_AA_ENABLE				(1 << 31)
   1182 # define GEN6_SF_CULL_BOTH				(0 << 29)
   1183 # define GEN6_SF_CULL_NONE				(1 << 29)
   1184 # define GEN6_SF_CULL_FRONT				(2 << 29)
   1185 # define GEN6_SF_CULL_BACK				(3 << 29)
   1186 # define GEN6_SF_LINE_WIDTH_SHIFT			18 /* U3.7 */
   1187 # define GEN6_SF_LINE_END_CAP_WIDTH_0_5			(0 << 16)
   1188 # define GEN6_SF_LINE_END_CAP_WIDTH_1_0			(1 << 16)
   1189 # define GEN6_SF_LINE_END_CAP_WIDTH_2_0			(2 << 16)
   1190 # define GEN6_SF_LINE_END_CAP_WIDTH_4_0			(3 << 16)
   1191 # define GEN6_SF_SCISSOR_ENABLE				(1 << 11)
   1192 # define GEN6_SF_MSRAST_OFF_PIXEL			(0 << 8)
   1193 # define GEN6_SF_MSRAST_OFF_PATTERN			(1 << 8)
   1194 # define GEN6_SF_MSRAST_ON_PIXEL			(2 << 8)
   1195 # define GEN6_SF_MSRAST_ON_PATTERN			(3 << 8)
   1196 /* DW4 */
   1197 # define GEN6_SF_TRI_PROVOKE_SHIFT			29
   1198 # define GEN6_SF_LINE_PROVOKE_SHIFT			27
   1199 # define GEN6_SF_TRIFAN_PROVOKE_SHIFT			25
   1200 # define GEN6_SF_LINE_AA_MODE_MANHATTAN			(0 << 14)
   1201 # define GEN6_SF_LINE_AA_MODE_TRUE			(1 << 14)
   1202 # define GEN6_SF_VERTEX_SUBPIXEL_8BITS			(0 << 12)
   1203 # define GEN6_SF_VERTEX_SUBPIXEL_4BITS			(1 << 12)
   1204 # define GEN6_SF_USE_STATE_POINT_WIDTH			(1 << 11)
   1205 # define GEN6_SF_POINT_WIDTH_SHIFT			0 /* U8.3 */
   1206 /* DW5: depth offset constant */
   1207 /* DW6: depth offset scale */
   1208 /* DW7: depth offset clamp */
   1209 /* DW8 */
   1210 # define ATTRIBUTE_1_OVERRIDE_W				(1 << 31)
   1211 # define ATTRIBUTE_1_OVERRIDE_Z				(1 << 30)
   1212 # define ATTRIBUTE_1_OVERRIDE_Y				(1 << 29)
   1213 # define ATTRIBUTE_1_OVERRIDE_X				(1 << 28)
   1214 # define ATTRIBUTE_1_CONST_SOURCE_SHIFT			25
   1215 # define ATTRIBUTE_1_SWIZZLE_SHIFT			22
   1216 # define ATTRIBUTE_1_SOURCE_SHIFT			16
   1217 # define ATTRIBUTE_0_OVERRIDE_W				(1 << 15)
   1218 # define ATTRIBUTE_0_OVERRIDE_Z				(1 << 14)
   1219 # define ATTRIBUTE_0_OVERRIDE_Y				(1 << 13)
   1220 # define ATTRIBUTE_0_OVERRIDE_X				(1 << 12)
   1221 # define ATTRIBUTE_0_CONST_SOURCE_SHIFT			9
   1222 # define ATTRIBUTE_0_SWIZZLE_SHIFT			6
   1223 # define ATTRIBUTE_0_SOURCE_SHIFT			0
   1224 
   1225 # define ATTRIBUTE_SWIZZLE_INPUTATTR                    0
   1226 # define ATTRIBUTE_SWIZZLE_INPUTATTR_FACING             1
   1227 # define ATTRIBUTE_SWIZZLE_INPUTATTR_W                  2
   1228 # define ATTRIBUTE_SWIZZLE_INPUTATTR_FACING_W           3
   1229 # define ATTRIBUTE_SWIZZLE_SHIFT                        6
   1230 
   1231 /* DW16: Point sprite texture coordinate enables */
   1232 /* DW17: Constant interpolation enables */
   1233 /* DW18: attr 0-7 wrap shortest enables */
   1234 /* DW19: attr 8-16 wrap shortest enables */
   1235 
   1236 /* On GEN7, many fields of 3DSTATE_SF were split out into a new command:
   1237  * 3DSTATE_SBE.  The remaining fields live in different DWords, but retain
   1238  * the same bit-offset.  The only new field:
   1239  */
   1240 /* GEN7/DW1: */
   1241 # define GEN7_SF_DEPTH_BUFFER_SURFACE_FORMAT_SHIFT	12
   1242 /* GEN7/DW2: */
   1243 # define HSW_SF_LINE_STIPPLE_ENABLE			14
   1244 
   1245 #define _3DSTATE_SBE				0x781F /* GEN7+ */
   1246 /* DW1 */
   1247 # define GEN7_SBE_SWIZZLE_CONTROL_MODE			(1 << 28)
   1248 # define GEN7_SBE_NUM_OUTPUTS_SHIFT			22
   1249 # define GEN7_SBE_SWIZZLE_ENABLE			(1 << 21)
   1250 # define GEN7_SBE_POINT_SPRITE_LOWERLEFT		(1 << 20)
   1251 # define GEN7_SBE_URB_ENTRY_READ_LENGTH_SHIFT		11
   1252 # define GEN7_SBE_URB_ENTRY_READ_OFFSET_SHIFT		4
   1253 /* DW2-9: Attribute setup (same as DW8-15 of gen6 _3DSTATE_SF) */
   1254 /* DW10: Point sprite texture coordinate enables */
   1255 /* DW11: Constant interpolation enables */
   1256 /* DW12: attr 0-7 wrap shortest enables */
   1257 /* DW13: attr 8-16 wrap shortest enables */
   1258 
   1259 enum brw_wm_barycentric_interp_mode {
   1260    BRW_WM_PERSPECTIVE_PIXEL_BARYCENTRIC		= 0,
   1261    BRW_WM_PERSPECTIVE_CENTROID_BARYCENTRIC	= 1,
   1262    BRW_WM_PERSPECTIVE_SAMPLE_BARYCENTRIC	= 2,
   1263    BRW_WM_NONPERSPECTIVE_PIXEL_BARYCENTRIC	= 3,
   1264    BRW_WM_NONPERSPECTIVE_CENTROID_BARYCENTRIC	= 4,
   1265    BRW_WM_NONPERSPECTIVE_SAMPLE_BARYCENTRIC	= 5,
   1266    BRW_WM_BARYCENTRIC_INTERP_MODE_COUNT  = 6
   1267 };
   1268 #define BRW_WM_NONPERSPECTIVE_BARYCENTRIC_BITS \
   1269    ((1 << BRW_WM_NONPERSPECTIVE_PIXEL_BARYCENTRIC) | \
   1270     (1 << BRW_WM_NONPERSPECTIVE_CENTROID_BARYCENTRIC) | \
   1271     (1 << BRW_WM_NONPERSPECTIVE_SAMPLE_BARYCENTRIC))
   1272 
   1273 #define _3DSTATE_WM				0x7814 /* GEN6+ */
   1274 /* DW1: kernel pointer */
   1275 /* DW2 */
   1276 # define GEN6_WM_SPF_MODE				(1 << 31)
   1277 # define GEN6_WM_VECTOR_MASK_ENABLE			(1 << 30)
   1278 # define GEN6_WM_SAMPLER_COUNT_SHIFT			27
   1279 # define GEN6_WM_BINDING_TABLE_ENTRY_COUNT_SHIFT	18
   1280 # define GEN6_WM_FLOATING_POINT_MODE_IEEE_754		(0 << 16)
   1281 # define GEN6_WM_FLOATING_POINT_MODE_ALT		(1 << 16)
   1282 /* DW3: scratch space */
   1283 /* DW4 */
   1284 # define GEN6_WM_STATISTICS_ENABLE			(1 << 31)
   1285 # define GEN6_WM_DEPTH_CLEAR				(1 << 30)
   1286 # define GEN6_WM_DEPTH_RESOLVE				(1 << 28)
   1287 # define GEN6_WM_HIERARCHICAL_DEPTH_RESOLVE		(1 << 27)
   1288 # define GEN6_WM_DISPATCH_START_GRF_SHIFT_0		16
   1289 # define GEN6_WM_DISPATCH_START_GRF_SHIFT_1		8
   1290 # define GEN6_WM_DISPATCH_START_GRF_SHIFT_2		0
   1291 /* DW5 */
   1292 # define GEN6_WM_MAX_THREADS_SHIFT			25
   1293 # define GEN6_WM_KILL_ENABLE				(1 << 22)
   1294 # define GEN6_WM_COMPUTED_DEPTH				(1 << 21)
   1295 # define GEN6_WM_USES_SOURCE_DEPTH			(1 << 20)
   1296 # define GEN6_WM_DISPATCH_ENABLE			(1 << 19)
   1297 # define GEN6_WM_LINE_END_CAP_AA_WIDTH_0_5		(0 << 16)
   1298 # define GEN6_WM_LINE_END_CAP_AA_WIDTH_1_0		(1 << 16)
   1299 # define GEN6_WM_LINE_END_CAP_AA_WIDTH_2_0		(2 << 16)
   1300 # define GEN6_WM_LINE_END_CAP_AA_WIDTH_4_0		(3 << 16)
   1301 # define GEN6_WM_LINE_AA_WIDTH_0_5			(0 << 14)
   1302 # define GEN6_WM_LINE_AA_WIDTH_1_0			(1 << 14)
   1303 # define GEN6_WM_LINE_AA_WIDTH_2_0			(2 << 14)
   1304 # define GEN6_WM_LINE_AA_WIDTH_4_0			(3 << 14)
   1305 # define GEN6_WM_POLYGON_STIPPLE_ENABLE			(1 << 13)
   1306 # define GEN6_WM_LINE_STIPPLE_ENABLE			(1 << 11)
   1307 # define GEN6_WM_OMASK_TO_RENDER_TARGET			(1 << 9)
   1308 # define GEN6_WM_USES_SOURCE_W				(1 << 8)
   1309 # define GEN6_WM_DUAL_SOURCE_BLEND_ENABLE		(1 << 7)
   1310 # define GEN6_WM_32_DISPATCH_ENABLE			(1 << 2)
   1311 # define GEN6_WM_16_DISPATCH_ENABLE			(1 << 1)
   1312 # define GEN6_WM_8_DISPATCH_ENABLE			(1 << 0)
   1313 /* DW6 */
   1314 # define GEN6_WM_NUM_SF_OUTPUTS_SHIFT			20
   1315 # define GEN6_WM_POSOFFSET_NONE				(0 << 18)
   1316 # define GEN6_WM_POSOFFSET_CENTROID			(2 << 18)
   1317 # define GEN6_WM_POSOFFSET_SAMPLE			(3 << 18)
   1318 # define GEN6_WM_POSITION_ZW_PIXEL			(0 << 16)
   1319 # define GEN6_WM_POSITION_ZW_CENTROID			(2 << 16)
   1320 # define GEN6_WM_POSITION_ZW_SAMPLE			(3 << 16)
   1321 # define GEN6_WM_NONPERSPECTIVE_SAMPLE_BARYCENTRIC	(1 << 15)
   1322 # define GEN6_WM_NONPERSPECTIVE_CENTROID_BARYCENTRIC	(1 << 14)
   1323 # define GEN6_WM_NONPERSPECTIVE_PIXEL_BARYCENTRIC	(1 << 13)
   1324 # define GEN6_WM_PERSPECTIVE_SAMPLE_BARYCENTRIC		(1 << 12)
   1325 # define GEN6_WM_PERSPECTIVE_CENTROID_BARYCENTRIC	(1 << 11)
   1326 # define GEN6_WM_PERSPECTIVE_PIXEL_BARYCENTRIC		(1 << 10)
   1327 # define GEN6_WM_BARYCENTRIC_INTERPOLATION_MODE_SHIFT   10
   1328 # define GEN6_WM_POINT_RASTRULE_UPPER_RIGHT		(1 << 9)
   1329 # define GEN6_WM_MSRAST_OFF_PIXEL			(0 << 1)
   1330 # define GEN6_WM_MSRAST_OFF_PATTERN			(1 << 1)
   1331 # define GEN6_WM_MSRAST_ON_PIXEL			(2 << 1)
   1332 # define GEN6_WM_MSRAST_ON_PATTERN			(3 << 1)
   1333 # define GEN6_WM_MSDISPMODE_PERSAMPLE			(0 << 0)
   1334 # define GEN6_WM_MSDISPMODE_PERPIXEL			(1 << 0)
   1335 /* DW7: kernel 1 pointer */
   1336 /* DW8: kernel 2 pointer */
   1337 
   1338 #define _3DSTATE_CONSTANT_VS		      0x7815 /* GEN6+ */
   1339 #define _3DSTATE_CONSTANT_GS		      0x7816 /* GEN6+ */
   1340 #define _3DSTATE_CONSTANT_PS		      0x7817 /* GEN6+ */
   1341 # define GEN6_CONSTANT_BUFFER_3_ENABLE			(1 << 15)
   1342 # define GEN6_CONSTANT_BUFFER_2_ENABLE			(1 << 14)
   1343 # define GEN6_CONSTANT_BUFFER_1_ENABLE			(1 << 13)
   1344 # define GEN6_CONSTANT_BUFFER_0_ENABLE			(1 << 12)
   1345 
   1346 #define _3DSTATE_CONSTANT_HS                  0x7819 /* GEN7+ */
   1347 #define _3DSTATE_CONSTANT_DS                  0x781A /* GEN7+ */
   1348 
   1349 #define _3DSTATE_STREAMOUT                    0x781e /* GEN7+ */
   1350 /* DW1 */
   1351 # define SO_FUNCTION_ENABLE				(1 << 31)
   1352 # define SO_RENDERING_DISABLE				(1 << 30)
   1353 /* This selects which incoming rendering stream goes down the pipeline.  The
   1354  * rendering stream is 0 if not defined by special cases in the GS state.
   1355  */
   1356 # define SO_RENDER_STREAM_SELECT_SHIFT			27
   1357 # define SO_RENDER_STREAM_SELECT_MASK			INTEL_MASK(28, 27)
   1358 /* Controls reordering of TRISTRIP_* elements in stream output (not rendering).
   1359  */
   1360 # define SO_REORDER_TRAILING				(1 << 26)
   1361 /* Controls SO_NUM_PRIMS_WRITTEN_* and SO_PRIM_STORAGE_* */
   1362 # define SO_STATISTICS_ENABLE				(1 << 25)
   1363 # define SO_BUFFER_ENABLE(n)				(1 << (8 + (n)))
   1364 /* DW2 */
   1365 # define SO_STREAM_3_VERTEX_READ_OFFSET_SHIFT		29
   1366 # define SO_STREAM_3_VERTEX_READ_OFFSET_MASK		INTEL_MASK(29, 29)
   1367 # define SO_STREAM_3_VERTEX_READ_LENGTH_SHIFT		24
   1368 # define SO_STREAM_3_VERTEX_READ_LENGTH_MASK		INTEL_MASK(28, 24)
   1369 # define SO_STREAM_2_VERTEX_READ_OFFSET_SHIFT		21
   1370 # define SO_STREAM_2_VERTEX_READ_OFFSET_MASK		INTEL_MASK(21, 21)
   1371 # define SO_STREAM_2_VERTEX_READ_LENGTH_SHIFT		16
   1372 # define SO_STREAM_2_VERTEX_READ_LENGTH_MASK		INTEL_MASK(20, 16)
   1373 # define SO_STREAM_1_VERTEX_READ_OFFSET_SHIFT		13
   1374 # define SO_STREAM_1_VERTEX_READ_OFFSET_MASK		INTEL_MASK(13, 13)
   1375 # define SO_STREAM_1_VERTEX_READ_LENGTH_SHIFT		8
   1376 # define SO_STREAM_1_VERTEX_READ_LENGTH_MASK		INTEL_MASK(12, 8)
   1377 # define SO_STREAM_0_VERTEX_READ_OFFSET_SHIFT		5
   1378 # define SO_STREAM_0_VERTEX_READ_OFFSET_MASK		INTEL_MASK(5, 5)
   1379 # define SO_STREAM_0_VERTEX_READ_LENGTH_SHIFT		0
   1380 # define SO_STREAM_0_VERTEX_READ_LENGTH_MASK		INTEL_MASK(4, 0)
   1381 
   1382 /* 3DSTATE_WM for Gen7 */
   1383 /* DW1 */
   1384 # define GEN7_WM_STATISTICS_ENABLE			(1 << 31)
   1385 # define GEN7_WM_DEPTH_CLEAR				(1 << 30)
   1386 # define GEN7_WM_DISPATCH_ENABLE			(1 << 29)
   1387 # define GEN7_WM_DEPTH_RESOLVE				(1 << 28)
   1388 # define GEN7_WM_HIERARCHICAL_DEPTH_RESOLVE		(1 << 27)
   1389 # define GEN7_WM_KILL_ENABLE				(1 << 25)
   1390 # define GEN7_WM_PSCDEPTH_OFF			        (0 << 23)
   1391 # define GEN7_WM_PSCDEPTH_ON			        (1 << 23)
   1392 # define GEN7_WM_PSCDEPTH_ON_GE			        (2 << 23)
   1393 # define GEN7_WM_PSCDEPTH_ON_LE			        (3 << 23)
   1394 # define GEN7_WM_USES_SOURCE_DEPTH			(1 << 20)
   1395 # define GEN7_WM_USES_SOURCE_W			        (1 << 19)
   1396 # define GEN7_WM_POSITION_ZW_PIXEL			(0 << 17)
   1397 # define GEN7_WM_POSITION_ZW_CENTROID			(2 << 17)
   1398 # define GEN7_WM_POSITION_ZW_SAMPLE			(3 << 17)
   1399 # define GEN7_WM_BARYCENTRIC_INTERPOLATION_MODE_SHIFT   11
   1400 # define GEN7_WM_USES_INPUT_COVERAGE_MASK	        (1 << 10)
   1401 # define GEN7_WM_LINE_END_CAP_AA_WIDTH_0_5		(0 << 8)
   1402 # define GEN7_WM_LINE_END_CAP_AA_WIDTH_1_0		(1 << 8)
   1403 # define GEN7_WM_LINE_END_CAP_AA_WIDTH_2_0		(2 << 8)
   1404 # define GEN7_WM_LINE_END_CAP_AA_WIDTH_4_0		(3 << 8)
   1405 # define GEN7_WM_LINE_AA_WIDTH_0_5			(0 << 6)
   1406 # define GEN7_WM_LINE_AA_WIDTH_1_0			(1 << 6)
   1407 # define GEN7_WM_LINE_AA_WIDTH_2_0			(2 << 6)
   1408 # define GEN7_WM_LINE_AA_WIDTH_4_0			(3 << 6)
   1409 # define GEN7_WM_POLYGON_STIPPLE_ENABLE			(1 << 4)
   1410 # define GEN7_WM_LINE_STIPPLE_ENABLE			(1 << 3)
   1411 # define GEN7_WM_POINT_RASTRULE_UPPER_RIGHT		(1 << 2)
   1412 # define GEN7_WM_MSRAST_OFF_PIXEL			(0 << 0)
   1413 # define GEN7_WM_MSRAST_OFF_PATTERN			(1 << 0)
   1414 # define GEN7_WM_MSRAST_ON_PIXEL			(2 << 0)
   1415 # define GEN7_WM_MSRAST_ON_PATTERN			(3 << 0)
   1416 /* DW2 */
   1417 # define GEN7_WM_MSDISPMODE_PERSAMPLE			(0 << 31)
   1418 # define GEN7_WM_MSDISPMODE_PERPIXEL			(1 << 31)
   1419 
   1420 #define _3DSTATE_PS				0x7820 /* GEN7+ */
   1421 /* DW1: kernel pointer */
   1422 /* DW2 */
   1423 # define GEN7_PS_SPF_MODE				(1 << 31)
   1424 # define GEN7_PS_VECTOR_MASK_ENABLE			(1 << 30)
   1425 # define GEN7_PS_SAMPLER_COUNT_SHIFT			27
   1426 # define GEN7_PS_BINDING_TABLE_ENTRY_COUNT_SHIFT	18
   1427 # define GEN7_PS_FLOATING_POINT_MODE_IEEE_754		(0 << 16)
   1428 # define GEN7_PS_FLOATING_POINT_MODE_ALT		(1 << 16)
   1429 /* DW3: scratch space */
   1430 /* DW4 */
   1431 # define IVB_PS_MAX_THREADS_SHIFT			24
   1432 # define HSW_PS_MAX_THREADS_SHIFT			23
   1433 # define HSW_PS_SAMPLE_MASK_SHIFT		        12
   1434 # define HSW_PS_SAMPLE_MASK_MASK			INTEL_MASK(19, 12)
   1435 # define GEN7_PS_PUSH_CONSTANT_ENABLE		        (1 << 11)
   1436 # define GEN7_PS_ATTRIBUTE_ENABLE		        (1 << 10)
   1437 # define GEN7_PS_OMASK_TO_RENDER_TARGET			(1 << 9)
   1438 # define GEN7_PS_DUAL_SOURCE_BLEND_ENABLE		(1 << 7)
   1439 # define GEN7_PS_POSOFFSET_NONE				(0 << 3)
   1440 # define GEN7_PS_POSOFFSET_CENTROID			(2 << 3)
   1441 # define GEN7_PS_POSOFFSET_SAMPLE			(3 << 3)
   1442 # define GEN7_PS_32_DISPATCH_ENABLE			(1 << 2)
   1443 # define GEN7_PS_16_DISPATCH_ENABLE			(1 << 1)
   1444 # define GEN7_PS_8_DISPATCH_ENABLE			(1 << 0)
   1445 /* DW5 */
   1446 # define GEN7_PS_DISPATCH_START_GRF_SHIFT_0		16
   1447 # define GEN7_PS_DISPATCH_START_GRF_SHIFT_1		8
   1448 # define GEN7_PS_DISPATCH_START_GRF_SHIFT_2		0
   1449 /* DW6: kernel 1 pointer */
   1450 /* DW7: kernel 2 pointer */
   1451 
   1452 #define _3DSTATE_SAMPLE_MASK			0x7818 /* GEN6+ */
   1453 
   1454 #define _3DSTATE_DRAWING_RECTANGLE		0x7900
   1455 #define _3DSTATE_BLEND_CONSTANT_COLOR		0x7901
   1456 #define _3DSTATE_CHROMA_KEY			0x7904
   1457 #define _3DSTATE_DEPTH_BUFFER			0x7905 /* GEN4-6 */
   1458 #define _3DSTATE_POLY_STIPPLE_OFFSET		0x7906
   1459 #define _3DSTATE_POLY_STIPPLE_PATTERN		0x7907
   1460 #define _3DSTATE_LINE_STIPPLE_PATTERN		0x7908
   1461 #define _3DSTATE_GLOBAL_DEPTH_OFFSET_CLAMP	0x7909
   1462 #define _3DSTATE_AA_LINE_PARAMETERS		0x790a /* G45+ */
   1463 
   1464 #define _3DSTATE_GS_SVB_INDEX			0x790b /* CTG+ */
   1465 /* DW1 */
   1466 # define SVB_INDEX_SHIFT				29
   1467 # define SVB_LOAD_INTERNAL_VERTEX_COUNT			(1 << 0) /* SNB+ */
   1468 /* DW2: SVB index */
   1469 /* DW3: SVB maximum index */
   1470 
   1471 #define _3DSTATE_MULTISAMPLE			0x790d /* GEN6+ */
   1472 /* DW1 */
   1473 # define MS_PIXEL_LOCATION_CENTER			(0 << 4)
   1474 # define MS_PIXEL_LOCATION_UPPER_LEFT			(1 << 4)
   1475 # define MS_NUMSAMPLES_1				(0 << 1)
   1476 # define MS_NUMSAMPLES_4				(2 << 1)
   1477 # define MS_NUMSAMPLES_8				(3 << 1)
   1478 
   1479 #define _3DSTATE_STENCIL_BUFFER			0x790e /* ILK, SNB */
   1480 #define _3DSTATE_HIER_DEPTH_BUFFER		0x790f /* ILK, SNB */
   1481 
   1482 #define GEN7_3DSTATE_CLEAR_PARAMS		0x7804
   1483 #define GEN7_3DSTATE_DEPTH_BUFFER		0x7805
   1484 #define GEN7_3DSTATE_STENCIL_BUFFER		0x7806
   1485 # define HSW_STENCIL_ENABLED                            (1 << 31)
   1486 #define GEN7_3DSTATE_HIER_DEPTH_BUFFER		0x7807
   1487 
   1488 #define _3DSTATE_CLEAR_PARAMS			0x7910 /* ILK, SNB */
   1489 # define GEN5_DEPTH_CLEAR_VALID				(1 << 15)
   1490 /* DW1: depth clear value */
   1491 /* DW2 */
   1492 # define GEN7_DEPTH_CLEAR_VALID				(1 << 0)
   1493 
   1494 #define _3DSTATE_SO_DECL_LIST			0x7917 /* GEN7+ */
   1495 /* DW1 */
   1496 # define SO_STREAM_TO_BUFFER_SELECTS_3_SHIFT		12
   1497 # define SO_STREAM_TO_BUFFER_SELECTS_3_MASK		INTEL_MASK(15, 12)
   1498 # define SO_STREAM_TO_BUFFER_SELECTS_2_SHIFT		8
   1499 # define SO_STREAM_TO_BUFFER_SELECTS_2_MASK		INTEL_MASK(11, 8)
   1500 # define SO_STREAM_TO_BUFFER_SELECTS_1_SHIFT		4
   1501 # define SO_STREAM_TO_BUFFER_SELECTS_1_MASK		INTEL_MASK(7, 4)
   1502 # define SO_STREAM_TO_BUFFER_SELECTS_0_SHIFT		0
   1503 # define SO_STREAM_TO_BUFFER_SELECTS_0_MASK		INTEL_MASK(3, 0)
   1504 /* DW2 */
   1505 # define SO_NUM_ENTRIES_3_SHIFT				24
   1506 # define SO_NUM_ENTRIES_3_MASK				INTEL_MASK(31, 24)
   1507 # define SO_NUM_ENTRIES_2_SHIFT				16
   1508 # define SO_NUM_ENTRIES_2_MASK				INTEL_MASK(23, 16)
   1509 # define SO_NUM_ENTRIES_1_SHIFT				8
   1510 # define SO_NUM_ENTRIES_1_MASK				INTEL_MASK(15, 8)
   1511 # define SO_NUM_ENTRIES_0_SHIFT				0
   1512 # define SO_NUM_ENTRIES_0_MASK				INTEL_MASK(7, 0)
   1513 
   1514 /* SO_DECL DW0 */
   1515 # define SO_DECL_OUTPUT_BUFFER_SLOT_SHIFT		12
   1516 # define SO_DECL_OUTPUT_BUFFER_SLOT_MASK		INTEL_MASK(13, 12)
   1517 # define SO_DECL_HOLE_FLAG				(1 << 11)
   1518 # define SO_DECL_REGISTER_INDEX_SHIFT			4
   1519 # define SO_DECL_REGISTER_INDEX_MASK			INTEL_MASK(9, 4)
   1520 # define SO_DECL_COMPONENT_MASK_SHIFT			0
   1521 # define SO_DECL_COMPONENT_MASK_MASK			INTEL_MASK(3, 0)
   1522 
   1523 #define _3DSTATE_SO_BUFFER                    0x7918 /* GEN7+ */
   1524 /* DW1 */
   1525 # define SO_BUFFER_INDEX_SHIFT				29
   1526 # define SO_BUFFER_INDEX_MASK				INTEL_MASK(30, 29)
   1527 # define SO_BUFFER_PITCH_SHIFT				0
   1528 # define SO_BUFFER_PITCH_MASK				INTEL_MASK(11, 0)
   1529 /* DW2: start address */
   1530 /* DW3: end address. */
   1531 
   1532 #define CMD_PIPE_CONTROL              0x7a00
   1533 
   1534 #define CMD_MI_FLUSH                  0x0200
   1535 
   1536 
   1537 /* Bitfields for the URB_WRITE message, DW2 of message header: */
   1538 #define URB_WRITE_PRIM_END		0x1
   1539 #define URB_WRITE_PRIM_START		0x2
   1540 #define URB_WRITE_PRIM_TYPE_SHIFT	2
   1541 
   1542 
   1543 /* Maximum number of entries that can be addressed using a binding table
   1544  * pointer of type SURFTYPE_BUFFER
   1545  */
   1546 #define BRW_MAX_NUM_BUFFER_ENTRIES	(1 << 27)
   1547 
   1548 #include "intel_chipset.h"
   1549 
   1550 #endif
   1551