src/gallium/drivers/freedreno/a5xx/fd5_format.c

   1 /*
   2  * Copyright (C) 2016 Rob Clark <robclark@freedesktop.org>
   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 FROM,
  20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  21  * SOFTWARE.
  22  *
  23  * Authors:
  24  *    Rob Clark <robclark@freedesktop.org>
  25  */
  26
  27 #include "pipe/p_defines.h"
  28 #include "util/u_format.h"
  29
  30 #include "fd5_format.h"
  31
  32
  33 /* Specifies the table of all the formats and their features. Also supplies
  34  * the helpers that look up various data in those tables.
  35  */
  36
  37 struct fd5_format {
  38         enum a5xx_vtx_fmt vtx;
  39         enum a5xx_tex_fmt tex;
  40         enum a5xx_color_fmt rb;
  41         enum a3xx_color_swap swap;
  42         boolean present;
  43 };
  44
  45 #define RB5_NONE ~0
  46
  47 /* vertex + texture */
  48 #define VT(pipe, fmt, rbfmt, swapfmt) \
  49         [PIPE_FORMAT_ ## pipe] = { \
  50                 .present = 1, \
  51                 .vtx = VFMT5_ ## fmt, \
  52                 .tex = TFMT5_ ## fmt, \
  53                 .rb = RB5_ ## rbfmt, \
  54                 .swap = swapfmt \
  55         }
  56
  57 /* texture-only */
  58 #define _T(pipe, fmt, rbfmt, swapfmt) \
  59         [PIPE_FORMAT_ ## pipe] = { \
  60                 .present = 1, \
  61                 .vtx = ~0, \
  62                 .tex = TFMT5_ ## fmt, \
  63                 .rb = RB5_ ## rbfmt, \
  64                 .swap = swapfmt \
  65         }
  66
  67 /* vertex-only */
  68 #define V_(pipe, fmt, rbfmt, swapfmt) \
  69         [PIPE_FORMAT_ ## pipe] = { \
  70                 .present = 1, \
  71                 .vtx = VFMT5_ ## fmt, \
  72                 .tex = ~0, \
  73                 .rb = RB5_ ## rbfmt, \
  74                 .swap = swapfmt \
  75         }
  76
  77 static struct fd5_format formats[PIPE_FORMAT_COUNT] = {
  78         /* 8-bit */
  79         VT(R8_UNORM,   8_UNORM, R8_UNORM, WZYX),
  80         V_(R8_SNORM,   8_SNORM, NONE,     WZYX),
  81         V_(R8_UINT,    8_UINT,  NONE,     WZYX),
  82         V_(R8_SINT,    8_SINT,  NONE,     WZYX),
  83         V_(R8_USCALED, 8_UINT,  NONE,     WZYX),
  84         V_(R8_SSCALED, 8_UINT,  NONE,     WZYX),
  85
  86         _T(A8_UNORM,   8_UNORM, NONE,     WZYX),
  87         _T(L8_UNORM,   8_UNORM, R8_UNORM, WZYX),
  88         _T(I8_UNORM,   8_UNORM, NONE,     WZYX),
  89
  90 //      _T(A8_UINT,    8_UINT,  NONE,     WZYX),
  91 //      _T(A8_SINT,    8_SINT,  NONE,     WZYX),
  92 //      _T(L8_UINT,    8_UINT,  NONE,     WZYX),
  93 //      _T(L8_SINT,    8_SINT,  NONE,     WZYX),
  94 //      _T(I8_UINT,    8_UINT,  NONE,     WZYX),
  95 //      _T(I8_SINT,    8_SINT,  NONE,     WZYX),
  96
  97 //      _T(S8_UINT,    8_UINT,  R8_UNORM, WZYX),
  98
  99         /* 16-bit */
 100         V_(R16_UNORM,   16_UNORM, NONE,      WZYX),
 101         V_(R16_SNORM,   16_SNORM, NONE,      WZYX),
 102         V_(R16_UINT,    16_UINT,  NONE,      WZYX),
 103         V_(R16_SINT,    16_SINT,  NONE,      WZYX),
 104         V_(R16_USCALED, 16_UINT,  NONE,      WZYX),
 105         V_(R16_SSCALED, 16_UINT,  NONE,      WZYX),
 106         VT(R16_FLOAT,   16_FLOAT, R16_FLOAT, WZYX),
 107
 108 //      _T(A16_UNORM,   16_UNORM, NONE,      WZYX),
 109 //      _T(A16_SNORM,   16_SNORM, NONE,      WZYX),
 110 //      _T(A16_UINT,    16_UINT,  NONE,      WZYX),
 111 //      _T(A16_SINT,    16_SINT,  NONE,      WZYX),
 112 //      _T(L16_UNORM,   16_UNORM, NONE,      WZYX),
 113 //      _T(L16_SNORM,   16_SNORM, NONE,      WZYX),
 114 //      _T(L16_UINT,    16_UINT,  NONE,      WZYX),
 115 //      _T(L16_SINT,    16_SINT,  NONE,      WZYX),
 116 //      _T(I16_UNORM,   16_UNORM, NONE,      WZYX),
 117 //      _T(I16_SNORM,   16_SNORM, NONE,      WZYX),
 118 //      _T(I16_UINT,    16_UINT,  NONE,      WZYX),
 119 //      _T(I16_SINT,    16_SINT,  NONE,      WZYX),
 120
 121         VT(R8G8_UNORM,   8_8_UNORM, R8G8_UNORM, WZYX),
 122         VT(R8G8_SNORM,   8_8_SNORM, NONE,       WZYX),
 123         V_(R8G8_UINT,    8_8_UINT,  NONE,       WZYX),
 124         V_(R8G8_SINT,    8_8_SINT,  NONE,       WZYX),
 125         V_(R8G8_USCALED, 8_8_UINT,  NONE,       WZYX),
 126         V_(R8G8_SSCALED, 8_8_SINT,  NONE,       WZYX),
 127
 128 //      _T(L8A8_UINT,    8_8_UINT,  NONE,       WZYX),
 129 //      _T(L8A8_SINT,    8_8_SINT,  NONE,       WZYX),
 130
 131         _T(B5G6R5_UNORM,   5_6_5_UNORM,   R5G6B5_UNORM,   WXYZ),
 132         _T(B5G5R5A1_UNORM, 5_5_5_1_UNORM, R5G5B5A1_UNORM, WXYZ),
 133         _T(B5G5R5X1_UNORM, 5_5_5_1_UNORM, R5G5B5A1_UNORM, WXYZ),
 134         _T(B4G4R4A4_UNORM, 4_4_4_4_UNORM, R4G4B4A4_UNORM, WXYZ),
 135
 136         /* 24-bit */
 137         V_(R8G8B8_UNORM,   8_8_8_UNORM, NONE, WZYX),
 138         V_(R8G8B8_SNORM,   8_8_8_SNORM, NONE, WZYX),
 139         V_(R8G8B8_UINT,    8_8_8_UINT,  NONE, WZYX),
 140         V_(R8G8B8_SINT,    8_8_8_SINT,  NONE, WZYX),
 141         V_(R8G8B8_USCALED, 8_8_8_UINT,  NONE, WZYX),
 142         V_(R8G8B8_SSCALED, 8_8_8_SINT,  NONE, WZYX),
 143
 144         /* 32-bit */
 145         V_(R32_UINT,    32_UINT,  NONE,     WZYX),
 146         V_(R32_SINT,    32_SINT,  NONE,     WZYX),
 147         V_(R32_USCALED, 32_UINT,  NONE,     WZYX),
 148         V_(R32_SSCALED, 32_UINT,  NONE,     WZYX),
 149         VT(R32_FLOAT,   32_FLOAT, R32_FLOAT,WZYX),
 150         V_(R32_FIXED,   32_FIXED, NONE,     WZYX),
 151
 152 //      _T(A32_UINT,    32_UINT,  NONE,     WZYX),
 153 //      _T(A32_SINT,    32_SINT,  NONE,     WZYX),
 154 //      _T(L32_UINT,    32_UINT,  NONE,     WZYX),
 155 //      _T(L32_SINT,    32_SINT,  NONE,     WZYX),
 156 //      _T(I32_UINT,    32_UINT,  NONE,     WZYX),
 157 //      _T(I32_SINT,    32_SINT,  NONE,     WZYX),
 158
 159         V_(R16G16_UNORM,   16_16_UNORM, NONE,         WZYX),
 160         V_(R16G16_SNORM,   16_16_SNORM, NONE,         WZYX),
 161         V_(R16G16_UINT,    16_16_UINT,  NONE,         WZYX),
 162         V_(R16G16_SINT,    16_16_SINT,  NONE,         WZYX),
 163         V_(R16G16_USCALED, 16_16_UINT,  NONE,         WZYX),
 164         V_(R16G16_SSCALED, 16_16_SINT,  NONE,         WZYX),
 165         VT(R16G16_FLOAT,   16_16_FLOAT, R16G16_FLOAT, WZYX),
 166
 167 //      _T(L16A16_UNORM,   16_16_UNORM, NONE,         WZYX),
 168 //      _T(L16A16_SNORM,   16_16_SNORM, NONE,         WZYX),
 169 //      _T(L16A16_UINT,    16_16_UINT,  NONE,         WZYX),
 170 //      _T(L16A16_SINT,    16_16_SINT,  NONE,         WZYX),
 171
 172         VT(R8G8B8A8_UNORM,   8_8_8_8_UNORM, R8G8B8A8_UNORM, WZYX),
 173         _T(R8G8B8X8_UNORM,   8_8_8_8_UNORM, R8G8B8A8_UNORM, WZYX),
 174         _T(R8G8B8A8_SRGB,    8_8_8_8_UNORM, R8G8B8A8_UNORM, WZYX),
 175         _T(R8G8B8X8_SRGB,    8_8_8_8_UNORM, R8G8B8A8_UNORM, WZYX),
 176         V_(R8G8B8A8_SNORM,   8_8_8_8_SNORM, NONE,           WZYX),
 177         V_(R8G8B8A8_UINT,    8_8_8_8_UINT,  R8G8B8A8_UINT,  WZYX),
 178         V_(R8G8B8A8_SINT,    8_8_8_8_SINT,  NONE,           WZYX),
 179         V_(R8G8B8A8_USCALED, 8_8_8_8_UINT,  NONE,           WZYX),
 180         V_(R8G8B8A8_SSCALED, 8_8_8_8_SINT,  NONE,           WZYX),
 181
 182         VT(B8G8R8A8_UNORM,   8_8_8_8_UNORM, R8G8B8A8_UNORM, WXYZ),
 183         _T(B8G8R8X8_UNORM,   8_8_8_8_UNORM, R8G8B8A8_UNORM, WXYZ),
 184         VT(B8G8R8A8_SRGB,    8_8_8_8_UNORM, R8G8B8A8_UNORM, WXYZ),
 185         _T(B8G8R8X8_SRGB,    8_8_8_8_UNORM, R8G8B8A8_UNORM, WXYZ),
 186
 187         VT(A8B8G8R8_UNORM,   8_8_8_8_UNORM, R8G8B8A8_UNORM, XYZW),
 188         _T(X8B8G8R8_UNORM,   8_8_8_8_UNORM, R8G8B8A8_UNORM, XYZW),
 189         _T(A8B8G8R8_SRGB,    8_8_8_8_UNORM, R8G8B8A8_UNORM, XYZW),
 190         _T(X8B8G8R8_SRGB,    8_8_8_8_UNORM, R8G8B8A8_UNORM, XYZW),
 191
 192         VT(A8R8G8B8_UNORM,   8_8_8_8_UNORM, R8G8B8A8_UNORM, ZYXW),
 193         _T(X8R8G8B8_UNORM,   8_8_8_8_UNORM, R8G8B8A8_UNORM, ZYXW),
 194         _T(A8R8G8B8_SRGB,    8_8_8_8_UNORM, R8G8B8A8_UNORM, ZYXW),
 195         _T(X8R8G8B8_SRGB,    8_8_8_8_UNORM, R8G8B8A8_UNORM, ZYXW),
 196
 197         _T(R10G10B10A2_UNORM,   10_10_10_2_UNORM, NONE,              WZYX),
 198         _T(B10G10R10A2_UNORM,   10_10_10_2_UNORM, NONE,              WXYZ),
 199         _T(B10G10R10X2_UNORM,   10_10_10_2_UNORM, NONE,              WXYZ),
 200 //      V_(R10G10B10A2_SNORM,   10_10_10_2_SNORM, NONE,              WZYX),
 201 //      V_(B10G10R10A2_SNORM,   10_10_10_2_SNORM, NONE,              WXYZ),
 202 //      VT(R10G10B10A2_UINT,    10_10_10_2_UINT,  R10G10B10A2_UINT,  WZYX),
 203 //      VT(B10G10R10A2_UINT,    10_10_10_2_UINT,  R10G10B10A2_UINT,  WXYZ),
 204 //      V_(R10G10B10A2_USCALED, 10_10_10_2_UINT,  NONE,              WZYX),
 205 //      V_(B10G10R10A2_USCALED, 10_10_10_2_UINT,  NONE,              WXYZ),
 206 //      V_(R10G10B10A2_SSCALED, 10_10_10_2_SINT,  NONE,              WZYX),
 207 //      V_(B10G10R10A2_SSCALED, 10_10_10_2_SINT,  NONE,              WXYZ),
 208
 209         _T(R11G11B10_FLOAT, 11_11_10_FLOAT, NONE,            WZYX),
 210         _T(R9G9B9E5_FLOAT,  9_9_9_E5_FLOAT, NONE,            WZYX),
 211
 212         _T(Z24X8_UNORM,       X8Z24_UNORM, R8G8B8A8_UNORM, WZYX),
 213         _T(Z24_UNORM_S8_UINT, X8Z24_UNORM, R8G8B8A8_UNORM, WZYX),
 214         _T(Z32_FLOAT,         32_FLOAT,   R8G8B8A8_UNORM, WZYX),
 215         _T(Z32_FLOAT_S8X24_UINT, 32_FLOAT,R8G8B8A8_UNORM, WZYX),
 216
 217         /* 48-bit */
 218         V_(R16G16B16_UNORM,   16_16_16_UNORM, NONE, WZYX),
 219         V_(R16G16B16_SNORM,   16_16_16_SNORM, NONE, WZYX),
 220         V_(R16G16B16_UINT,    16_16_16_UINT,  NONE, WZYX),
 221         V_(R16G16B16_SINT,    16_16_16_SINT,  NONE, WZYX),
 222         V_(R16G16B16_USCALED, 16_16_16_UINT,  NONE, WZYX),
 223         V_(R16G16B16_SSCALED, 16_16_16_SINT,  NONE, WZYX),
 224         V_(R16G16B16_FLOAT,   16_16_16_FLOAT, NONE, WZYX),
 225
 226         /* 64-bit */
 227         V_(R16G16B16A16_UNORM,   16_16_16_16_UNORM, NONE,               WZYX),
 228         V_(R16G16B16X16_UNORM,   16_16_16_16_UNORM, NONE,               WZYX),
 229         V_(R16G16B16A16_SNORM,   16_16_16_16_SNORM, NONE,               WZYX),
 230         V_(R16G16B16X16_SNORM,   16_16_16_16_SNORM, NONE,               WZYX),
 231         V_(R16G16B16A16_UINT,    16_16_16_16_UINT,  NONE,               WZYX),
 232 //      _T(R16G16B16X16_UINT,    16_16_16_16_UINT,  R16G16B16A16_UINT,  WZYX),
 233         V_(R16G16B16A16_SINT,    16_16_16_16_SINT,  NONE,               WZYX),
 234 //      _T(R16G16B16X16_SINT,    16_16_16_16_SINT,  R16G16B16A16_SINT,  WZYX),
 235         V_(R16G16B16A16_USCALED, 16_16_16_16_UINT,  NONE,               WZYX),
 236         V_(R16G16B16A16_SSCALED, 16_16_16_16_SINT,  NONE,               WZYX),
 237         VT(R16G16B16A16_FLOAT,   16_16_16_16_FLOAT, R16G16B16A16_FLOAT, WZYX),
 238         _T(R16G16B16X16_FLOAT,   16_16_16_16_FLOAT, R16G16B16A16_FLOAT, WZYX),
 239
 240         V_(R32G32_UINT,    32_32_UINT,  NONE,        WZYX),
 241         V_(R32G32_SINT,    32_32_SINT,  NONE,        WZYX),
 242         V_(R32G32_USCALED, 32_32_UINT,  NONE,        WZYX),
 243         V_(R32G32_SSCALED, 32_32_SINT,  NONE,        WZYX),
 244         VT(R32G32_FLOAT,   32_32_FLOAT, R32G32_FLOAT,WZYX),
 245         V_(R32G32_FIXED,   32_32_FIXED, NONE,        WZYX),
 246
 247 //      _T(L32A32_UINT,    32_32_UINT,  NONE,        WZYX),
 248 //      _T(L32A32_SINT,    32_32_SINT,  NONE,        WZYX),
 249
 250         /* 96-bit */
 251         V_(R32G32B32_UINT,    32_32_32_UINT,  NONE, WZYX),
 252         V_(R32G32B32_SINT,    32_32_32_SINT,  NONE, WZYX),
 253         V_(R32G32B32_USCALED, 32_32_32_UINT,  NONE, WZYX),
 254         V_(R32G32B32_SSCALED, 32_32_32_SINT,  NONE, WZYX),
 255         V_(R32G32B32_FLOAT,   32_32_32_FLOAT, NONE, WZYX),
 256         V_(R32G32B32_FIXED,   32_32_32_FIXED, NONE, WZYX),
 257
 258         /* 128-bit */
 259         V_(R32G32B32A32_UINT,    32_32_32_32_UINT,  NONE,               WZYX),
 260 //      _T(R32G32B32X32_UINT,    32_32_32_32_UINT,  R32G32B32A32_UINT,  WZYX),
 261         V_(R32G32B32A32_SINT,    32_32_32_32_SINT,  NONE,               WZYX),
 262 //      _T(R32G32B32X32_SINT,    32_32_32_32_SINT,  R32G32B32A32_SINT,  WZYX),
 263         V_(R32G32B32A32_USCALED, 32_32_32_32_UINT,  NONE,               WZYX),
 264         V_(R32G32B32A32_SSCALED, 32_32_32_32_SINT,  NONE,               WZYX),
 265         V_(R32G32B32A32_FLOAT,   32_32_32_32_FLOAT, R32G32B32A32_FLOAT, WZYX),
 266         _T(R32G32B32X32_FLOAT,   32_32_32_32_FLOAT, R32G32B32A32_FLOAT, WZYX),
 267         V_(R32G32B32A32_FIXED,   32_32_32_32_FIXED, NONE,               WZYX),
 268
 269         /* compressed */
 270 //      _T(ETC1_RGB8, ETC1, NONE, WZYX),
 271 //      _T(ETC2_RGB8, ETC2_RGB8, NONE, WZYX),
 272 //      _T(ETC2_SRGB8, ETC2_RGB8, NONE, WZYX),
 273 //      _T(ETC2_RGB8A1, ETC2_RGB8A1, NONE, WZYX),
 274 //      _T(ETC2_SRGB8A1, ETC2_RGB8A1, NONE, WZYX),
 275 //      _T(ETC2_RGBA8, ETC2_RGBA8, NONE, WZYX),
 276 //      _T(ETC2_SRGBA8, ETC2_RGBA8, NONE, WZYX),
 277 //      _T(ETC2_R11_UNORM, ETC2_R11_UNORM, NONE, WZYX),
 278 //      _T(ETC2_R11_SNORM, ETC2_R11_SNORM, NONE, WZYX),
 279 //      _T(ETC2_RG11_UNORM, ETC2_RG11_UNORM, NONE, WZYX),
 280 //      _T(ETC2_RG11_SNORM, ETC2_RG11_SNORM, NONE, WZYX),
 281
 282 //      _T(DXT1_RGB,   DXT1, NONE, WZYX),
 283 //      _T(DXT1_SRGB,  DXT1, NONE, WZYX),
 284 //      _T(DXT1_RGBA,  DXT1, NONE, WZYX),
 285 //      _T(DXT1_SRGBA, DXT1, NONE, WZYX),
 286 //      _T(DXT3_RGBA,  DXT3, NONE, WZYX),
 287 //      _T(DXT3_SRGBA, DXT3, NONE, WZYX),
 288 //      _T(DXT5_RGBA,  DXT5, NONE, WZYX),
 289 //      _T(DXT5_SRGBA, DXT5, NONE, WZYX),
 290
 291 //      _T(BPTC_RGBA_UNORM, BPTC,        NONE, WZYX),
 292 //      _T(BPTC_SRGBA,      BPTC,        NONE, WZYX),
 293 //      _T(BPTC_RGB_FLOAT,  BPTC_FLOAT,  NONE, WZYX),
 294 //      _T(BPTC_RGB_UFLOAT, BPTC_UFLOAT, NONE, WZYX),
 295
 296 //      _T(RGTC1_UNORM, RGTC1_UNORM, NONE, WZYX),
 297 //      _T(RGTC1_SNORM, RGTC1_SNORM, NONE, WZYX),
 298 //      _T(RGTC2_UNORM, RGTC2_UNORM, NONE, WZYX),
 299 //      _T(RGTC2_SNORM, RGTC2_SNORM, NONE, WZYX),
 300 //      _T(LATC1_UNORM, RGTC1_UNORM, NONE, WZYX),
 301 //      _T(LATC1_SNORM, RGTC1_SNORM, NONE, WZYX),
 302 //      _T(LATC2_UNORM, RGTC2_UNORM, NONE, WZYX),
 303 //      _T(LATC2_SNORM, RGTC2_SNORM, NONE, WZYX),
 304
 305 //      _T(ASTC_4x4,   ASTC_4x4,   NONE, WZYX),
 306 //      _T(ASTC_5x4,   ASTC_5x4,   NONE, WZYX),
 307 //      _T(ASTC_5x5,   ASTC_5x5,   NONE, WZYX),
 308 //      _T(ASTC_6x5,   ASTC_6x5,   NONE, WZYX),
 309 //      _T(ASTC_6x6,   ASTC_6x6,   NONE, WZYX),
 310 //      _T(ASTC_8x5,   ASTC_8x5,   NONE, WZYX),
 311 //      _T(ASTC_8x6,   ASTC_8x6,   NONE, WZYX),
 312 //      _T(ASTC_8x8,   ASTC_8x8,   NONE, WZYX),
 313 //      _T(ASTC_10x5,  ASTC_10x5,  NONE, WZYX),
 314 //      _T(ASTC_10x6,  ASTC_10x6,  NONE, WZYX),
 315 //      _T(ASTC_10x8,  ASTC_10x8,  NONE, WZYX),
 316 //      _T(ASTC_10x10, ASTC_10x10, NONE, WZYX),
 317 //      _T(ASTC_12x10, ASTC_12x10, NONE, WZYX),
 318 //      _T(ASTC_12x12, ASTC_12x12, NONE, WZYX),
 319
 320 //      _T(ASTC_4x4_SRGB,   ASTC_4x4,   NONE, WZYX),
 321 //      _T(ASTC_5x4_SRGB,   ASTC_5x4,   NONE, WZYX),
 322 //      _T(ASTC_5x5_SRGB,   ASTC_5x5,   NONE, WZYX),
 323 //      _T(ASTC_6x5_SRGB,   ASTC_6x5,   NONE, WZYX),
 324 //      _T(ASTC_6x6_SRGB,   ASTC_6x6,   NONE, WZYX),
 325 //      _T(ASTC_8x5_SRGB,   ASTC_8x5,   NONE, WZYX),
 326 //      _T(ASTC_8x6_SRGB,   ASTC_8x6,   NONE, WZYX),
 327 //      _T(ASTC_8x8_SRGB,   ASTC_8x8,   NONE, WZYX),
 328 //      _T(ASTC_10x5_SRGB,  ASTC_10x5,  NONE, WZYX),
 329 //      _T(ASTC_10x6_SRGB,  ASTC_10x6,  NONE, WZYX),
 330 //      _T(ASTC_10x8_SRGB,  ASTC_10x8,  NONE, WZYX),
 331 //      _T(ASTC_10x10_SRGB, ASTC_10x10, NONE, WZYX),
 332 //      _T(ASTC_12x10_SRGB, ASTC_12x10, NONE, WZYX),
 333 //      _T(ASTC_12x12_SRGB, ASTC_12x12, NONE, WZYX),
 334 };
 335
 336 /* convert pipe format to vertex buffer format: */
 337 enum a5xx_vtx_fmt
 338 fd5_pipe2vtx(enum pipe_format format)
 339 {
 340         if (!formats[format].present)
 341                 return ~0;
 342         return formats[format].vtx;
 343 }
 344
 345 /* convert pipe format to texture sampler format: */
 346 enum a5xx_tex_fmt
 347 fd5_pipe2tex(enum pipe_format format)
 348 {
 349         if (!formats[format].present)
 350                 return ~0;
 351         return formats[format].tex;
 352 }
 353
 354 /* convert pipe format to MRT / copydest format used for render-target: */
 355 enum a5xx_color_fmt
 356 fd5_pipe2color(enum pipe_format format)
 357 {
 358         if (!formats[format].present)
 359                 return ~0;
 360         return formats[format].rb;
 361 }
 362
 363 enum a3xx_color_swap
 364 fd5_pipe2swap(enum pipe_format format)
 365 {
 366         if (!formats[format].present)
 367                 return WZYX;
 368         return formats[format].swap;
 369 }
 370
 371 // XXX possibly same as a4xx..
 372 enum a5xx_tex_fetchsize
 373 fd5_pipe2fetchsize(enum pipe_format format)
 374 {
 375         if (format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT)
 376                 format = PIPE_FORMAT_Z32_FLOAT;
 377
 378         if (util_format_description(format)->layout == UTIL_FORMAT_LAYOUT_ASTC)
 379                 return TFETCH5_16_BYTE;
 380
 381         switch (util_format_get_blocksizebits(format) / util_format_get_blockwidth(format)) {
 382         case 8:   return TFETCH5_1_BYTE;
 383         case 16:  return TFETCH5_2_BYTE;
 384         case 32:  return TFETCH5_4_BYTE;
 385         case 64:  return TFETCH5_8_BYTE;
 386         case 96:  return TFETCH5_1_BYTE; /* Does this matter? */
 387         case 128: return TFETCH5_16_BYTE;
 388         default:
 389                 debug_printf("Unknown block size for format %s: %d\n",
 390                                 util_format_name(format),
 391                                 util_format_get_blocksizebits(format));
 392                 return TFETCH5_1_BYTE;
 393         }
 394 }
 395
 396 enum a5xx_depth_format
 397 fd5_pipe2depth(enum pipe_format format)
 398 {
 399         switch (format) {
 400         case PIPE_FORMAT_Z16_UNORM:
 401                 return DEPTH5_16;
 402         case PIPE_FORMAT_Z24X8_UNORM:
 403         case PIPE_FORMAT_Z24_UNORM_S8_UINT:
 404         case PIPE_FORMAT_X8Z24_UNORM:
 405         case PIPE_FORMAT_S8_UINT_Z24_UNORM:
 406                 return DEPTH5_24_8;
 407         case PIPE_FORMAT_Z32_FLOAT:
 408         case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
 409                 return DEPTH5_32;
 410         default:
 411                 return ~0;
 412         }
 413 }
 414
 415 static inline enum a5xx_tex_swiz
 416 tex_swiz(unsigned swiz)
 417 {
 418         switch (swiz) {
 419         default:
 420         case PIPE_SWIZZLE_X: return A5XX_TEX_X;
 421         case PIPE_SWIZZLE_Y: return A5XX_TEX_Y;
 422         case PIPE_SWIZZLE_Z: return A5XX_TEX_Z;
 423         case PIPE_SWIZZLE_W: return A5XX_TEX_W;
 424         case PIPE_SWIZZLE_0: return A5XX_TEX_ZERO;
 425         case PIPE_SWIZZLE_1: return A5XX_TEX_ONE;
 426         }
 427 }
 428
 429 uint32_t
 430 fd5_tex_swiz(enum pipe_format format, unsigned swizzle_r, unsigned swizzle_g,
 431                 unsigned swizzle_b, unsigned swizzle_a)
 432 {
 433         const struct util_format_description *desc =
 434                         util_format_description(format);
 435         unsigned char swiz[4] = {
 436                         swizzle_r, swizzle_g, swizzle_b, swizzle_a,
 437         }, rswiz[4];
 438
 439         util_format_compose_swizzles(desc->swizzle, swiz, rswiz);
 440
 441         return A5XX_TEX_CONST_0_SWIZ_X(tex_swiz(rswiz[0])) |
 442                         A5XX_TEX_CONST_0_SWIZ_Y(tex_swiz(rswiz[1])) |
 443                         A5XX_TEX_CONST_0_SWIZ_Z(tex_swiz(rswiz[2])) |
 444                         A5XX_TEX_CONST_0_SWIZ_W(tex_swiz(rswiz[3]));
 445 }