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    1 /*
    2  * Copyright © 2014 Broadcom
    3  *
    4  * Permission is hereby granted, free of charge, to any person obtaining a
    5  * copy of this software and associated documentation files (the "Software"),
    6  * to deal in the Software without restriction, including without limitation
    7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
    8  * and/or sell copies of the Software, and to permit persons to whom the
    9  * Software is furnished to do so, subject to the following conditions:
   10  *
   11  * The above copyright notice and this permission notice (including the next
   12  * paragraph) shall be included in all copies or substantial portions of the
   13  * Software.
   14  *
   15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
   18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
   20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
   21  * IN THE SOFTWARE.
   22  */
   23 
   24 #ifndef VC4_PACKET_H
   25 #define VC4_PACKET_H
   26 
   27 enum vc4_packet {
   28         VC4_PACKET_HALT = 0,
   29         VC4_PACKET_NOP = 1,
   30 
   31         VC4_PACKET_FLUSH = 4,
   32         VC4_PACKET_FLUSH_ALL = 5,
   33         VC4_PACKET_START_TILE_BINNING = 6,
   34         VC4_PACKET_INCREMENT_SEMAPHORE = 7,
   35         VC4_PACKET_WAIT_ON_SEMAPHORE = 8,
   36 
   37         VC4_PACKET_BRANCH = 16,
   38         VC4_PACKET_BRANCH_TO_SUB_LIST = 17,
   39 
   40         VC4_PACKET_STORE_MS_TILE_BUFFER = 24,
   41         VC4_PACKET_STORE_MS_TILE_BUFFER_AND_EOF = 25,
   42         VC4_PACKET_STORE_FULL_RES_TILE_BUFFER = 26,
   43         VC4_PACKET_LOAD_FULL_RES_TILE_BUFFER = 27,
   44         VC4_PACKET_STORE_TILE_BUFFER_GENERAL = 28,
   45         VC4_PACKET_LOAD_TILE_BUFFER_GENERAL = 29,
   46 
   47         VC4_PACKET_GL_INDEXED_PRIMITIVE = 32,
   48         VC4_PACKET_GL_ARRAY_PRIMITIVE = 33,
   49 
   50         VC4_PACKET_COMPRESSED_PRIMITIVE = 48,
   51         VC4_PACKET_CLIPPED_COMPRESSED_PRIMITIVE = 49,
   52 
   53         VC4_PACKET_PRIMITIVE_LIST_FORMAT = 56,
   54 
   55         VC4_PACKET_GL_SHADER_STATE = 64,
   56         VC4_PACKET_NV_SHADER_STATE = 65,
   57         VC4_PACKET_VG_SHADER_STATE = 66,
   58 
   59         VC4_PACKET_CONFIGURATION_BITS = 96,
   60         VC4_PACKET_FLAT_SHADE_FLAGS = 97,
   61         VC4_PACKET_POINT_SIZE = 98,
   62         VC4_PACKET_LINE_WIDTH = 99,
   63         VC4_PACKET_RHT_X_BOUNDARY = 100,
   64         VC4_PACKET_DEPTH_OFFSET = 101,
   65         VC4_PACKET_CLIP_WINDOW = 102,
   66         VC4_PACKET_VIEWPORT_OFFSET = 103,
   67         VC4_PACKET_Z_CLIPPING = 104,
   68         VC4_PACKET_CLIPPER_XY_SCALING = 105,
   69         VC4_PACKET_CLIPPER_Z_SCALING = 106,
   70 
   71         VC4_PACKET_TILE_BINNING_MODE_CONFIG = 112,
   72         VC4_PACKET_TILE_RENDERING_MODE_CONFIG = 113,
   73         VC4_PACKET_CLEAR_COLORS = 114,
   74         VC4_PACKET_TILE_COORDINATES = 115,
   75 
   76         /* Not an actual hardware packet -- this is what we use to put
   77          * references to GEM bos in the command stream, since we need the u32
   78          * int the actual address packet in order to store the offset from the
   79          * start of the BO.
   80          */
   81         VC4_PACKET_GEM_HANDLES = 254,
   82 } __attribute__ ((__packed__));
   83 
   84 #define VC4_PACKET_HALT_SIZE                        1
   85 #define VC4_PACKET_NOP_SIZE                     1
   86 #define VC4_PACKET_FLUSH_SIZE                       1
   87 #define VC4_PACKET_FLUSH_ALL_SIZE                   1
   88 #define VC4_PACKET_START_TILE_BINNING_SIZE              1
   89 #define VC4_PACKET_INCREMENT_SEMAPHORE_SIZE             1
   90 #define VC4_PACKET_WAIT_ON_SEMAPHORE_SIZE               1
   91 #define VC4_PACKET_BRANCH_SIZE                      5
   92 #define VC4_PACKET_BRANCH_TO_SUB_LIST_SIZE              5
   93 #define VC4_PACKET_STORE_MS_TILE_BUFFER_SIZE                1
   94 #define VC4_PACKET_STORE_MS_TILE_BUFFER_AND_EOF_SIZE            1
   95 #define VC4_PACKET_STORE_FULL_RES_TILE_BUFFER_SIZE          5
   96 #define VC4_PACKET_LOAD_FULL_RES_TILE_BUFFER_SIZE           5
   97 #define VC4_PACKET_STORE_TILE_BUFFER_GENERAL_SIZE           7
   98 #define VC4_PACKET_LOAD_TILE_BUFFER_GENERAL_SIZE            7
   99 #define VC4_PACKET_GL_INDEXED_PRIMITIVE_SIZE                14
  100 #define VC4_PACKET_GL_ARRAY_PRIMITIVE_SIZE              10
  101 #define VC4_PACKET_COMPRESSED_PRIMITIVE_SIZE                1
  102 #define VC4_PACKET_CLIPPED_COMPRESSED_PRIMITIVE_SIZE            1
  103 #define VC4_PACKET_PRIMITIVE_LIST_FORMAT_SIZE               2
  104 #define VC4_PACKET_GL_SHADER_STATE_SIZE                 5
  105 #define VC4_PACKET_NV_SHADER_STATE_SIZE                 5
  106 #define VC4_PACKET_VG_SHADER_STATE_SIZE                 5
  107 #define VC4_PACKET_CONFIGURATION_BITS_SIZE              4
  108 #define VC4_PACKET_FLAT_SHADE_FLAGS_SIZE                5
  109 #define VC4_PACKET_POINT_SIZE_SIZE                  5
  110 #define VC4_PACKET_LINE_WIDTH_SIZE                  5
  111 #define VC4_PACKET_RHT_X_BOUNDARY_SIZE                  3
  112 #define VC4_PACKET_DEPTH_OFFSET_SIZE                    5
  113 #define VC4_PACKET_CLIP_WINDOW_SIZE                 9
  114 #define VC4_PACKET_VIEWPORT_OFFSET_SIZE                 5
  115 #define VC4_PACKET_Z_CLIPPING_SIZE                  9
  116 #define VC4_PACKET_CLIPPER_XY_SCALING_SIZE              9
  117 #define VC4_PACKET_CLIPPER_Z_SCALING_SIZE               9
  118 #define VC4_PACKET_TILE_BINNING_MODE_CONFIG_SIZE            16
  119 #define VC4_PACKET_TILE_RENDERING_MODE_CONFIG_SIZE          11
  120 #define VC4_PACKET_CLEAR_COLORS_SIZE                    14
  121 #define VC4_PACKET_TILE_COORDINATES_SIZE                3
  122 #define VC4_PACKET_GEM_HANDLES_SIZE                 9
  123 
  124 /* Number of multisamples supported. */
  125 #define VC4_MAX_SAMPLES                         4
  126 /* Size of a full resolution color or Z tile buffer load/store. */
  127 #define VC4_TILE_BUFFER_SIZE            (64 * 64 * 4)
  128 
  129 #define VC4_MASK(high, low) (((1 << ((high) - (low) + 1)) - 1) << (low))
  130 /* Using the GNU statement expression extension */
  131 #define VC4_SET_FIELD(value, field)                                       \
  132         ({                                                                \
  133                 uint32_t fieldval = (value) << field ## _SHIFT;       \
  134                 assert((fieldval & ~ field ## _MASK) == 0);               \
  135                 fieldval & field ## _MASK;                                \
  136          })
  137 
  138 #define VC4_GET_FIELD(word, field) (((word)  & field ## _MASK) >> field ## _SHIFT)
  139 
  140 /** @{
  141  * Bits used by packets like VC4_PACKET_STORE_TILE_BUFFER_GENERAL and
  142  * VC4_PACKET_TILE_RENDERING_MODE_CONFIG.
  143 */
  144 #define VC4_TILING_FORMAT_LINEAR    0
  145 #define VC4_TILING_FORMAT_T         1
  146 #define VC4_TILING_FORMAT_LT        2
  147 /** @} */
  148 
  149 /** @{
  150  *
  151  * low bits of VC4_PACKET_STORE_FULL_RES_TILE_BUFFER and
  152  * VC4_PACKET_LOAD_FULL_RES_TILE_BUFFER.
  153  */
  154 #define VC4_LOADSTORE_FULL_RES_EOF                     (1 << 3)
  155 #define VC4_LOADSTORE_FULL_RES_DISABLE_CLEAR_ALL       (1 << 2)
  156 #define VC4_LOADSTORE_FULL_RES_DISABLE_ZS              (1 << 1)
  157 #define VC4_LOADSTORE_FULL_RES_DISABLE_COLOR           (1 << 0)
  158 
  159 /** @{
  160  *
  161  * low bits of VC4_PACKET_STORE_FULL_RES_TILE_BUFFER and
  162  * VC4_PACKET_LOAD_FULL_RES_TILE_BUFFER.
  163  */
  164 #define VC4_LOADSTORE_FULL_RES_EOF                     (1 << 3)
  165 #define VC4_LOADSTORE_FULL_RES_DISABLE_CLEAR_ALL       (1 << 2)
  166 #define VC4_LOADSTORE_FULL_RES_DISABLE_ZS              (1 << 1)
  167 #define VC4_LOADSTORE_FULL_RES_DISABLE_COLOR           (1 << 0)
  168 
  169 /** @{
  170  *
  171  * byte 2 of VC4_PACKET_STORE_TILE_BUFFER_GENERAL and
  172  * VC4_PACKET_LOAD_TILE_BUFFER_GENERAL (low bits of the address)
  173  */
  174 
  175 #define VC4_LOADSTORE_TILE_BUFFER_EOF                  (1 << 3)
  176 #define VC4_LOADSTORE_TILE_BUFFER_DISABLE_FULL_VG_MASK (1 << 2)
  177 #define VC4_LOADSTORE_TILE_BUFFER_DISABLE_FULL_ZS      (1 << 1)
  178 #define VC4_LOADSTORE_TILE_BUFFER_DISABLE_FULL_COLOR   (1 << 0)
  179 
  180 /** @} */
  181 
  182 /** @{
  183  *
  184  * byte 0-1 of VC4_PACKET_STORE_TILE_BUFFER_GENERAL and
  185  * VC4_PACKET_LOAD_TILE_BUFFER_GENERAL
  186  */
  187 #define VC4_STORE_TILE_BUFFER_DISABLE_VG_MASK_CLEAR (1 << 15)
  188 #define VC4_STORE_TILE_BUFFER_DISABLE_ZS_CLEAR     (1 << 14)
  189 #define VC4_STORE_TILE_BUFFER_DISABLE_COLOR_CLEAR  (1 << 13)
  190 #define VC4_STORE_TILE_BUFFER_DISABLE_SWAP         (1 << 12)
  191 
  192 #define VC4_LOADSTORE_TILE_BUFFER_FORMAT_MASK      VC4_MASK(9, 8)
  193 #define VC4_LOADSTORE_TILE_BUFFER_FORMAT_SHIFT     8
  194 #define VC4_LOADSTORE_TILE_BUFFER_RGBA8888         0
  195 #define VC4_LOADSTORE_TILE_BUFFER_BGR565_DITHER    1
  196 #define VC4_LOADSTORE_TILE_BUFFER_BGR565           2
  197 /** @} */
  198 
  199 /** @{
  200  *
  201  * byte 0 of VC4_PACKET_STORE_TILE_BUFFER_GENERAL and
  202  * VC4_PACKET_LOAD_TILE_BUFFER_GENERAL
  203  */
  204 #define VC4_STORE_TILE_BUFFER_MODE_MASK            VC4_MASK(7, 6)
  205 #define VC4_STORE_TILE_BUFFER_MODE_SHIFT           6
  206 #define VC4_STORE_TILE_BUFFER_MODE_SAMPLE0         (0 << 6)
  207 #define VC4_STORE_TILE_BUFFER_MODE_DECIMATE_X4     (1 << 6)
  208 #define VC4_STORE_TILE_BUFFER_MODE_DECIMATE_X16    (2 << 6)
  209 
  210 /** The values of the field are VC4_TILING_FORMAT_* */
  211 #define VC4_LOADSTORE_TILE_BUFFER_TILING_MASK      VC4_MASK(5, 4)
  212 #define VC4_LOADSTORE_TILE_BUFFER_TILING_SHIFT     4
  213 
  214 #define VC4_LOADSTORE_TILE_BUFFER_BUFFER_MASK      VC4_MASK(2, 0)
  215 #define VC4_LOADSTORE_TILE_BUFFER_BUFFER_SHIFT     0
  216 #define VC4_LOADSTORE_TILE_BUFFER_NONE             0
  217 #define VC4_LOADSTORE_TILE_BUFFER_COLOR            1
  218 #define VC4_LOADSTORE_TILE_BUFFER_ZS               2
  219 #define VC4_LOADSTORE_TILE_BUFFER_Z                3
  220 #define VC4_LOADSTORE_TILE_BUFFER_VG_MASK          4
  221 #define VC4_LOADSTORE_TILE_BUFFER_FULL             5
  222 /** @} */
  223 
  224 #define VC4_INDEX_BUFFER_U8                        (0 << 4)
  225 #define VC4_INDEX_BUFFER_U16                       (1 << 4)
  226 
  227 /* This flag is only present in NV shader state. */
  228 #define VC4_SHADER_FLAG_SHADED_CLIP_COORDS         (1 << 3)
  229 #define VC4_SHADER_FLAG_ENABLE_CLIPPING            (1 << 2)
  230 #define VC4_SHADER_FLAG_VS_POINT_SIZE              (1 << 1)
  231 #define VC4_SHADER_FLAG_FS_SINGLE_THREAD           (1 << 0)
  232 
  233 /** @{ byte 2 of config bits. */
  234 #define VC4_CONFIG_BITS_EARLY_Z_UPDATE             (1 << 1)
  235 #define VC4_CONFIG_BITS_EARLY_Z                    (1 << 0)
  236 /** @} */
  237 
  238 /** @{ byte 1 of config bits. */
  239 #define VC4_CONFIG_BITS_Z_UPDATE                   (1 << 7)
  240 /** same values in this 3-bit field as PIPE_FUNC_* */
  241 #define VC4_CONFIG_BITS_DEPTH_FUNC_SHIFT           4
  242 #define VC4_CONFIG_BITS_COVERAGE_READ_LEAVE        (1 << 3)
  243 
  244 #define VC4_CONFIG_BITS_COVERAGE_UPDATE_NONZERO    (0 << 1)
  245 #define VC4_CONFIG_BITS_COVERAGE_UPDATE_ODD        (1 << 1)
  246 #define VC4_CONFIG_BITS_COVERAGE_UPDATE_OR         (2 << 1)
  247 #define VC4_CONFIG_BITS_COVERAGE_UPDATE_ZERO       (3 << 1)
  248 
  249 #define VC4_CONFIG_BITS_COVERAGE_PIPE_SELECT       (1 << 0)
  250 /** @} */
  251 
  252 /** @{ byte 0 of config bits. */
  253 #define VC4_CONFIG_BITS_RASTERIZER_OVERSAMPLE_NONE (0 << 6)
  254 #define VC4_CONFIG_BITS_RASTERIZER_OVERSAMPLE_4X   (1 << 6)
  255 #define VC4_CONFIG_BITS_RASTERIZER_OVERSAMPLE_16X  (2 << 6)
  256 
  257 #define VC4_CONFIG_BITS_AA_POINTS_AND_LINES        (1 << 4)
  258 #define VC4_CONFIG_BITS_ENABLE_DEPTH_OFFSET        (1 << 3)
  259 #define VC4_CONFIG_BITS_CW_PRIMITIVES              (1 << 2)
  260 #define VC4_CONFIG_BITS_ENABLE_PRIM_BACK           (1 << 1)
  261 #define VC4_CONFIG_BITS_ENABLE_PRIM_FRONT          (1 << 0)
  262 /** @} */
  263 
  264 /** @{ bits in the last u8 of VC4_PACKET_TILE_BINNING_MODE_CONFIG */
  265 #define VC4_BIN_CONFIG_DB_NON_MS                   (1 << 7)
  266 
  267 #define VC4_BIN_CONFIG_ALLOC_BLOCK_SIZE_MASK       VC4_MASK(6, 5)
  268 #define VC4_BIN_CONFIG_ALLOC_BLOCK_SIZE_SHIFT      5
  269 #define VC4_BIN_CONFIG_ALLOC_BLOCK_SIZE_32         0
  270 #define VC4_BIN_CONFIG_ALLOC_BLOCK_SIZE_64         1
  271 #define VC4_BIN_CONFIG_ALLOC_BLOCK_SIZE_128        2
  272 #define VC4_BIN_CONFIG_ALLOC_BLOCK_SIZE_256        3
  273 
  274 #define VC4_BIN_CONFIG_ALLOC_INIT_BLOCK_SIZE_MASK  VC4_MASK(4, 3)
  275 #define VC4_BIN_CONFIG_ALLOC_INIT_BLOCK_SIZE_SHIFT 3
  276 #define VC4_BIN_CONFIG_ALLOC_INIT_BLOCK_SIZE_32    0
  277 #define VC4_BIN_CONFIG_ALLOC_INIT_BLOCK_SIZE_64    1
  278 #define VC4_BIN_CONFIG_ALLOC_INIT_BLOCK_SIZE_128   2
  279 #define VC4_BIN_CONFIG_ALLOC_INIT_BLOCK_SIZE_256   3
  280 
  281 #define VC4_BIN_CONFIG_AUTO_INIT_TSDA              (1 << 2)
  282 #define VC4_BIN_CONFIG_TILE_BUFFER_64BIT           (1 << 1)
  283 #define VC4_BIN_CONFIG_MS_MODE_4X                  (1 << 0)
  284 /** @} */
  285 
  286 /** @{ bits in the last u16 of VC4_PACKET_TILE_RENDERING_MODE_CONFIG */
  287 #define VC4_RENDER_CONFIG_DB_NON_MS                (1 << 12)
  288 #define VC4_RENDER_CONFIG_EARLY_Z_COVERAGE_DISABLE (1 << 11)
  289 #define VC4_RENDER_CONFIG_EARLY_Z_DIRECTION_G      (1 << 10)
  290 #define VC4_RENDER_CONFIG_COVERAGE_MODE            (1 << 9)
  291 #define VC4_RENDER_CONFIG_ENABLE_VG_MASK           (1 << 8)
  292 
  293 /** The values of the field are VC4_TILING_FORMAT_* */
  294 #define VC4_RENDER_CONFIG_MEMORY_FORMAT_MASK       VC4_MASK(7, 6)
  295 #define VC4_RENDER_CONFIG_MEMORY_FORMAT_SHIFT      6
  296 
  297 #define VC4_RENDER_CONFIG_DECIMATE_MODE_1X         (0 << 4)
  298 #define VC4_RENDER_CONFIG_DECIMATE_MODE_4X         (1 << 4)
  299 #define VC4_RENDER_CONFIG_DECIMATE_MODE_16X        (2 << 4)
  300 
  301 #define VC4_RENDER_CONFIG_FORMAT_MASK              VC4_MASK(3, 2)
  302 #define VC4_RENDER_CONFIG_FORMAT_SHIFT             2
  303 #define VC4_RENDER_CONFIG_FORMAT_BGR565_DITHERED   0
  304 #define VC4_RENDER_CONFIG_FORMAT_RGBA8888          1
  305 #define VC4_RENDER_CONFIG_FORMAT_BGR565            2
  306 
  307 #define VC4_RENDER_CONFIG_TILE_BUFFER_64BIT        (1 << 1)
  308 #define VC4_RENDER_CONFIG_MS_MODE_4X               (1 << 0)
  309 
  310 #define VC4_PRIMITIVE_LIST_FORMAT_16_INDEX         (1 << 4)
  311 #define VC4_PRIMITIVE_LIST_FORMAT_32_XY            (3 << 4)
  312 #define VC4_PRIMITIVE_LIST_FORMAT_TYPE_POINTS      (0 << 0)
  313 #define VC4_PRIMITIVE_LIST_FORMAT_TYPE_LINES       (1 << 0)
  314 #define VC4_PRIMITIVE_LIST_FORMAT_TYPE_TRIANGLES   (2 << 0)
  315 #define VC4_PRIMITIVE_LIST_FORMAT_TYPE_RHT         (3 << 0)
  316 
  317 enum vc4_texture_data_type {
  318         VC4_TEXTURE_TYPE_RGBA8888 = 0,
  319         VC4_TEXTURE_TYPE_RGBX8888 = 1,
  320         VC4_TEXTURE_TYPE_RGBA4444 = 2,
  321         VC4_TEXTURE_TYPE_RGBA5551 = 3,
  322         VC4_TEXTURE_TYPE_RGB565 = 4,
  323         VC4_TEXTURE_TYPE_LUMINANCE = 5,
  324         VC4_TEXTURE_TYPE_ALPHA = 6,
  325         VC4_TEXTURE_TYPE_LUMALPHA = 7,
  326         VC4_TEXTURE_TYPE_ETC1 = 8,
  327         VC4_TEXTURE_TYPE_S16F = 9,
  328         VC4_TEXTURE_TYPE_S8 = 10,
  329         VC4_TEXTURE_TYPE_S16 = 11,
  330         VC4_TEXTURE_TYPE_BW1 = 12,
  331         VC4_TEXTURE_TYPE_A4 = 13,
  332         VC4_TEXTURE_TYPE_A1 = 14,
  333         VC4_TEXTURE_TYPE_RGBA64 = 15,
  334         VC4_TEXTURE_TYPE_RGBA32R = 16,
  335         VC4_TEXTURE_TYPE_YUV422R = 17,
  336 };
  337 
  338 #define VC4_TEX_P0_OFFSET_MASK                     VC4_MASK(31, 12)
  339 #define VC4_TEX_P0_OFFSET_SHIFT                    12
  340 #define VC4_TEX_P0_CSWIZ_MASK                      VC4_MASK(11, 10)
  341 #define VC4_TEX_P0_CSWIZ_SHIFT                     10
  342 #define VC4_TEX_P0_CMMODE_MASK                     VC4_MASK(9, 9)
  343 #define VC4_TEX_P0_CMMODE_SHIFT                    9
  344 #define VC4_TEX_P0_FLIPY_MASK                      VC4_MASK(8, 8)
  345 #define VC4_TEX_P0_FLIPY_SHIFT                     8
  346 #define VC4_TEX_P0_TYPE_MASK                       VC4_MASK(7, 4)
  347 #define VC4_TEX_P0_TYPE_SHIFT                      4
  348 #define VC4_TEX_P0_MIPLVLS_MASK                    VC4_MASK(3, 0)
  349 #define VC4_TEX_P0_MIPLVLS_SHIFT                   0
  350 
  351 #define VC4_TEX_P1_TYPE4_MASK                      VC4_MASK(31, 31)
  352 #define VC4_TEX_P1_TYPE4_SHIFT                     31
  353 #define VC4_TEX_P1_HEIGHT_MASK                     VC4_MASK(30, 20)
  354 #define VC4_TEX_P1_HEIGHT_SHIFT                    20
  355 #define VC4_TEX_P1_ETCFLIP_MASK                    VC4_MASK(19, 19)
  356 #define VC4_TEX_P1_ETCFLIP_SHIFT                   19
  357 #define VC4_TEX_P1_WIDTH_MASK                      VC4_MASK(18, 8)
  358 #define VC4_TEX_P1_WIDTH_SHIFT                     8
  359 
  360 #define VC4_TEX_P1_MAGFILT_MASK                    VC4_MASK(7, 7)
  361 #define VC4_TEX_P1_MAGFILT_SHIFT                   7
  362 # define VC4_TEX_P1_MAGFILT_LINEAR                 0
  363 # define VC4_TEX_P1_MAGFILT_NEAREST                1
  364 
  365 #define VC4_TEX_P1_MINFILT_MASK                    VC4_MASK(6, 4)
  366 #define VC4_TEX_P1_MINFILT_SHIFT                   4
  367 # define VC4_TEX_P1_MINFILT_LINEAR                 0
  368 # define VC4_TEX_P1_MINFILT_NEAREST                1
  369 # define VC4_TEX_P1_MINFILT_NEAR_MIP_NEAR          2
  370 # define VC4_TEX_P1_MINFILT_NEAR_MIP_LIN           3
  371 # define VC4_TEX_P1_MINFILT_LIN_MIP_NEAR           4
  372 # define VC4_TEX_P1_MINFILT_LIN_MIP_LIN            5
  373 
  374 #define VC4_TEX_P1_WRAP_T_MASK                     VC4_MASK(3, 2)
  375 #define VC4_TEX_P1_WRAP_T_SHIFT                    2
  376 #define VC4_TEX_P1_WRAP_S_MASK                     VC4_MASK(1, 0)
  377 #define VC4_TEX_P1_WRAP_S_SHIFT                    0
  378 # define VC4_TEX_P1_WRAP_REPEAT                    0
  379 # define VC4_TEX_P1_WRAP_CLAMP                     1
  380 # define VC4_TEX_P1_WRAP_MIRROR                    2
  381 # define VC4_TEX_P1_WRAP_BORDER                    3
  382 
  383 #define VC4_TEX_P2_PTYPE_MASK                      VC4_MASK(31, 30)
  384 #define VC4_TEX_P2_PTYPE_SHIFT                     30
  385 # define VC4_TEX_P2_PTYPE_IGNORED                  0
  386 # define VC4_TEX_P2_PTYPE_CUBE_MAP_STRIDE          1
  387 # define VC4_TEX_P2_PTYPE_CHILD_IMAGE_DIMENSIONS   2
  388 # define VC4_TEX_P2_PTYPE_CHILD_IMAGE_OFFSETS      3
  389 
  390 /* VC4_TEX_P2_PTYPE_CUBE_MAP_STRIDE bits */
  391 #define VC4_TEX_P2_CMST_MASK                       VC4_MASK(29, 12)
  392 #define VC4_TEX_P2_CMST_SHIFT                      12
  393 #define VC4_TEX_P2_BSLOD_MASK                      VC4_MASK(0, 0)
  394 #define VC4_TEX_P2_BSLOD_SHIFT                     0
  395 
  396 /* VC4_TEX_P2_PTYPE_CHILD_IMAGE_DIMENSIONS */
  397 #define VC4_TEX_P2_CHEIGHT_MASK                    VC4_MASK(22, 12)
  398 #define VC4_TEX_P2_CHEIGHT_SHIFT                   12
  399 #define VC4_TEX_P2_CWIDTH_MASK                     VC4_MASK(10, 0)
  400 #define VC4_TEX_P2_CWIDTH_SHIFT                    0
  401 
  402 /* VC4_TEX_P2_PTYPE_CHILD_IMAGE_OFFSETS */
  403 #define VC4_TEX_P2_CYOFF_MASK                      VC4_MASK(22, 12)
  404 #define VC4_TEX_P2_CYOFF_SHIFT                     12
  405 #define VC4_TEX_P2_CXOFF_MASK                      VC4_MASK(10, 0)
  406 #define VC4_TEX_P2_CXOFF_SHIFT                     0
  407 
  408 #endif /* VC4_PACKET_H */