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/format/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         /* for blitting, treat PIPE_FORMAT_NONE as 8bit R8: */
  79         _T(R8_UINT,    8_UINT,  R8_UINT,  WZYX),
  80
  81         /* 8-bit */
  82         VT(R8_UNORM,   8_UNORM, R8_UNORM, WZYX),
  83         VT(R8_SNORM,   8_SNORM, R8_SNORM, WZYX),
  84         VT(R8_UINT,    8_UINT,  R8_UINT,  WZYX),
  85         VT(R8_SINT,    8_SINT,  R8_SINT,  WZYX),
  86         V_(R8_USCALED, 8_UINT,  NONE,     WZYX),
  87         V_(R8_SSCALED, 8_SINT,  NONE,     WZYX),
  88
  89         _T(A8_UNORM,   8_UNORM, A8_UNORM, WZYX),
  90         _T(L8_UNORM,   8_UNORM, R8_UNORM, WZYX),
  91         _T(I8_UNORM,   8_UNORM, NONE,     WZYX),
  92
  93         _T(A8_UINT,    8_UINT,  NONE,     WZYX),
  94         _T(A8_SINT,    8_SINT,  NONE,     WZYX),
  95         _T(L8_UINT,    8_UINT,  NONE,     WZYX),
  96         _T(L8_SINT,    8_SINT,  NONE,     WZYX),
  97         _T(I8_UINT,    8_UINT,  NONE,     WZYX),
  98         _T(I8_SINT,    8_SINT,  NONE,     WZYX),
  99
 100         _T(S8_UINT,    8_UINT,  R8_UNORM, WZYX),
 101
 102         /* 16-bit */
 103         VT(R16_UNORM,   16_UNORM, R16_UNORM, WZYX),
 104         VT(R16_SNORM,   16_SNORM, R16_SNORM, WZYX),
 105         VT(R16_UINT,    16_UINT,  R16_UINT,  WZYX),
 106         VT(R16_SINT,    16_SINT,  R16_SINT,  WZYX),
 107         V_(R16_USCALED, 16_UINT,  NONE,      WZYX),
 108         V_(R16_SSCALED, 16_SINT,  NONE,      WZYX),
 109         VT(R16_FLOAT,   16_FLOAT, R16_FLOAT, WZYX),
 110         _T(Z16_UNORM,   16_UNORM, R16_UNORM, WZYX),
 111
 112         _T(A16_UNORM,   16_UNORM, NONE,      WZYX),
 113         _T(A16_SNORM,   16_SNORM, NONE,      WZYX),
 114         _T(A16_UINT,    16_UINT,  NONE,      WZYX),
 115         _T(A16_SINT,    16_SINT,  NONE,      WZYX),
 116         _T(L16_UNORM,   16_UNORM, NONE,      WZYX),
 117         _T(L16_SNORM,   16_SNORM, NONE,      WZYX),
 118         _T(L16_UINT,    16_UINT,  NONE,      WZYX),
 119         _T(L16_SINT,    16_SINT,  NONE,      WZYX),
 120         _T(I16_UNORM,   16_UNORM, NONE,      WZYX),
 121         _T(I16_SNORM,   16_SNORM, NONE,      WZYX),
 122         _T(I16_UINT,    16_UINT,  NONE,      WZYX),
 123         _T(I16_SINT,    16_SINT,  NONE,      WZYX),
 124
 125         VT(R8G8_UNORM,   8_8_UNORM, R8G8_UNORM, WZYX),
 126         VT(R8G8_SNORM,   8_8_SNORM, R8G8_SNORM, WZYX),
 127         VT(R8G8_UINT,    8_8_UINT,  R8G8_UINT,  WZYX),
 128         VT(R8G8_SINT,    8_8_SINT,  R8G8_SINT,  WZYX),
 129         V_(R8G8_USCALED, 8_8_UINT,  NONE,       WZYX),
 130         V_(R8G8_SSCALED, 8_8_SINT,  NONE,       WZYX),
 131
 132         _T(L8A8_UINT,    8_8_UINT,  NONE,       WZYX),
 133         _T(L8A8_SINT,    8_8_SINT,  NONE,       WZYX),
 134
 135         _T(B5G6R5_UNORM,   5_6_5_UNORM,   R5G6B5_UNORM,   WXYZ),
 136         _T(B5G5R5A1_UNORM, 5_5_5_1_UNORM, R5G5B5A1_UNORM, WXYZ),
 137         _T(B5G5R5X1_UNORM, 5_5_5_1_UNORM, R5G5B5A1_UNORM, WXYZ),
 138         _T(B4G4R4A4_UNORM, 4_4_4_4_UNORM, R4G4B4A4_UNORM, WXYZ),
 139
 140         /* 24-bit */
 141         V_(R8G8B8_UNORM,   8_8_8_UNORM, NONE, WZYX),
 142         V_(R8G8B8_SNORM,   8_8_8_SNORM, NONE, WZYX),
 143         V_(R8G8B8_UINT,    8_8_8_UINT,  NONE, WZYX),
 144         V_(R8G8B8_SINT,    8_8_8_SINT,  NONE, WZYX),
 145         V_(R8G8B8_USCALED, 8_8_8_UINT,  NONE, WZYX),
 146         V_(R8G8B8_SSCALED, 8_8_8_SINT,  NONE, WZYX),
 147
 148         /* 32-bit */
 149         VT(R32_UINT,    32_UINT,  R32_UINT, WZYX),
 150         VT(R32_SINT,    32_SINT,  R32_SINT, WZYX),
 151         V_(R32_USCALED, 32_UINT,  NONE,     WZYX),
 152         V_(R32_SSCALED, 32_SINT,  NONE,     WZYX),
 153         VT(R32_FLOAT,   32_FLOAT, R32_FLOAT,WZYX),
 154         V_(R32_FIXED,   32_FIXED, NONE,     WZYX),
 155
 156         _T(A32_UINT,    32_UINT,  NONE,     WZYX),
 157         _T(A32_SINT,    32_SINT,  NONE,     WZYX),
 158         _T(L32_UINT,    32_UINT,  NONE,     WZYX),
 159         _T(L32_SINT,    32_SINT,  NONE,     WZYX),
 160         _T(I32_UINT,    32_UINT,  NONE,     WZYX),
 161         _T(I32_SINT,    32_SINT,  NONE,     WZYX),
 162
 163         VT(R16G16_UNORM,   16_16_UNORM, R16G16_UNORM, WZYX),
 164         VT(R16G16_SNORM,   16_16_SNORM, R16G16_SNORM, WZYX),
 165         VT(R16G16_UINT,    16_16_UINT,  R16G16_UINT,  WZYX),
 166         VT(R16G16_SINT,    16_16_SINT,  R16G16_SINT,  WZYX),
 167         VT(R16G16_USCALED, 16_16_UINT,  NONE,         WZYX),
 168         VT(R16G16_SSCALED, 16_16_SINT,  NONE,         WZYX),
 169         VT(R16G16_FLOAT,   16_16_FLOAT, R16G16_FLOAT, WZYX),
 170
 171         _T(L16A16_UNORM,   16_16_UNORM, NONE,         WZYX),
 172         _T(L16A16_SNORM,   16_16_SNORM, NONE,         WZYX),
 173         _T(L16A16_UINT,    16_16_UINT,  NONE,         WZYX),
 174         _T(L16A16_SINT,    16_16_SINT,  NONE,         WZYX),
 175
 176         VT(R8G8B8A8_UNORM,   8_8_8_8_UNORM, R8G8B8A8_UNORM, WZYX),
 177         _T(R8G8B8X8_UNORM,   8_8_8_8_UNORM, R8G8B8A8_UNORM, WZYX),
 178         _T(R8G8B8A8_SRGB,    8_8_8_8_UNORM, R8G8B8A8_UNORM, WZYX),
 179         _T(R8G8B8X8_SRGB,    8_8_8_8_UNORM, R8G8B8A8_UNORM, WZYX),
 180         VT(R8G8B8A8_SNORM,   8_8_8_8_SNORM, R8G8B8A8_SNORM, WZYX),
 181         VT(R8G8B8A8_UINT,    8_8_8_8_UINT,  R8G8B8A8_UINT,  WZYX),
 182         VT(R8G8B8A8_SINT,    8_8_8_8_SINT,  R8G8B8A8_SINT,  WZYX),
 183         V_(R8G8B8A8_USCALED, 8_8_8_8_UINT,  NONE,           WZYX),
 184         V_(R8G8B8A8_SSCALED, 8_8_8_8_SINT,  NONE,           WZYX),
 185
 186         VT(B8G8R8A8_UNORM,   8_8_8_8_UNORM, R8G8B8A8_UNORM, WXYZ),
 187         _T(B8G8R8X8_UNORM,   8_8_8_8_UNORM, R8G8B8A8_UNORM, WXYZ),
 188         VT(B8G8R8A8_SRGB,    8_8_8_8_UNORM, R8G8B8A8_UNORM, WXYZ),
 189         _T(B8G8R8X8_SRGB,    8_8_8_8_UNORM, R8G8B8A8_UNORM, WXYZ),
 190
 191         VT(A8B8G8R8_UNORM,   8_8_8_8_UNORM, R8G8B8A8_UNORM, XYZW),
 192         _T(X8B8G8R8_UNORM,   8_8_8_8_UNORM, R8G8B8A8_UNORM, XYZW),
 193         _T(A8B8G8R8_SRGB,    8_8_8_8_UNORM, R8G8B8A8_UNORM, XYZW),
 194         _T(X8B8G8R8_SRGB,    8_8_8_8_UNORM, R8G8B8A8_UNORM, XYZW),
 195
 196         VT(A8R8G8B8_UNORM,   8_8_8_8_UNORM, R8G8B8A8_UNORM, ZYXW),
 197         _T(X8R8G8B8_UNORM,   8_8_8_8_UNORM, R8G8B8A8_UNORM, ZYXW),
 198         _T(A8R8G8B8_SRGB,    8_8_8_8_UNORM, R8G8B8A8_UNORM, ZYXW),
 199         _T(X8R8G8B8_SRGB,    8_8_8_8_UNORM, R8G8B8A8_UNORM, ZYXW),
 200
 201         VT(R10G10B10A2_UNORM,   10_10_10_2_UNORM, R10G10B10A2_UNORM, WZYX),
 202         VT(B10G10R10A2_UNORM,   10_10_10_2_UNORM, R10G10B10A2_UNORM, WXYZ),
 203         _T(B10G10R10X2_UNORM,   10_10_10_2_UNORM, R10G10B10A2_UNORM, WXYZ),
 204         V_(R10G10B10A2_SNORM,   10_10_10_2_SNORM, NONE,              WZYX),
 205         V_(B10G10R10A2_SNORM,   10_10_10_2_SNORM, NONE,              WXYZ),
 206         VT(R10G10B10A2_UINT,    10_10_10_2_UINT,  R10G10B10A2_UINT,  WZYX),
 207         VT(B10G10R10A2_UINT,    10_10_10_2_UINT,  R10G10B10A2_UINT,  WXYZ),
 208         V_(R10G10B10A2_USCALED, 10_10_10_2_UINT,  NONE,              WZYX),
 209         V_(B10G10R10A2_USCALED, 10_10_10_2_UINT,  NONE,              WXYZ),
 210         V_(R10G10B10A2_SSCALED, 10_10_10_2_SINT,  NONE,              WZYX),
 211         V_(B10G10R10A2_SSCALED, 10_10_10_2_SINT,  NONE,              WXYZ),
 212
 213         VT(R11G11B10_FLOAT, 11_11_10_FLOAT, R11G11B10_FLOAT, WZYX),
 214         _T(R9G9B9E5_FLOAT,  9_9_9_E5_FLOAT, NONE,            WZYX),
 215
 216         _T(Z24X8_UNORM,       X8Z24_UNORM, R8G8B8A8_UNORM, WZYX),
 217         _T(X24S8_UINT,        8_8_8_8_UINT, R8G8B8A8_UINT, XYZW),
 218         _T(Z24_UNORM_S8_UINT, X8Z24_UNORM, R8G8B8A8_UNORM, WZYX),
 219         _T(Z32_FLOAT,         32_FLOAT,    R8G8B8A8_UNORM, WZYX),
 220         _T(Z32_FLOAT_S8X24_UINT, 32_FLOAT, R8G8B8A8_UNORM, WZYX),
 221         _T(X32_S8X24_UINT,    8_UINT,      R8_UINT,        WZYX),
 222
 223         /* 48-bit */
 224         V_(R16G16B16_UNORM,   16_16_16_UNORM, NONE, WZYX),
 225         V_(R16G16B16_SNORM,   16_16_16_SNORM, NONE, WZYX),
 226         V_(R16G16B16_UINT,    16_16_16_UINT,  NONE, WZYX),
 227         V_(R16G16B16_SINT,    16_16_16_SINT,  NONE, WZYX),
 228         V_(R16G16B16_USCALED, 16_16_16_UINT,  NONE, WZYX),
 229         V_(R16G16B16_SSCALED, 16_16_16_SINT,  NONE, WZYX),
 230         V_(R16G16B16_FLOAT,   16_16_16_FLOAT, NONE, WZYX),
 231
 232         /* 64-bit */
 233         VT(R16G16B16A16_UNORM,   16_16_16_16_UNORM, R16G16B16A16_UNORM, WZYX),
 234         VT(R16G16B16X16_UNORM,   16_16_16_16_UNORM, R16G16B16A16_UNORM, WZYX),
 235         VT(R16G16B16A16_SNORM,   16_16_16_16_SNORM, R16G16B16A16_SNORM, WZYX),
 236         VT(R16G16B16X16_SNORM,   16_16_16_16_SNORM, R16G16B16A16_SNORM, WZYX),
 237         VT(R16G16B16A16_UINT,    16_16_16_16_UINT,  R16G16B16A16_UINT,  WZYX),
 238         VT(R16G16B16X16_UINT,    16_16_16_16_UINT,  R16G16B16A16_UINT,  WZYX),
 239         VT(R16G16B16A16_SINT,    16_16_16_16_SINT,  R16G16B16A16_SINT,  WZYX),
 240         VT(R16G16B16X16_SINT,    16_16_16_16_SINT,  R16G16B16A16_SINT,  WZYX),
 241         VT(R16G16B16A16_USCALED, 16_16_16_16_UINT,  NONE,               WZYX),
 242         VT(R16G16B16A16_SSCALED, 16_16_16_16_SINT,  NONE,               WZYX),
 243         VT(R16G16B16A16_FLOAT,   16_16_16_16_FLOAT, R16G16B16A16_FLOAT, WZYX),
 244         VT(R16G16B16X16_FLOAT,   16_16_16_16_FLOAT, R16G16B16A16_FLOAT, WZYX),
 245
 246         VT(R32G32_UINT,    32_32_UINT,  R32G32_UINT, WZYX),
 247         VT(R32G32_SINT,    32_32_SINT,  R32G32_SINT, WZYX),
 248         V_(R32G32_USCALED, 32_32_UINT,  NONE,        WZYX),
 249         V_(R32G32_SSCALED, 32_32_SINT,  NONE,        WZYX),
 250         VT(R32G32_FLOAT,   32_32_FLOAT, R32G32_FLOAT,WZYX),
 251         V_(R32G32_FIXED,   32_32_FIXED, NONE,        WZYX),
 252
 253         _T(L32A32_UINT,    32_32_UINT,  NONE,        WZYX),
 254         _T(L32A32_SINT,    32_32_SINT,  NONE,        WZYX),
 255
 256         /* 96-bit */
 257         VT(R32G32B32_UINT,    32_32_32_UINT,  NONE, WZYX),
 258         VT(R32G32B32_SINT,    32_32_32_SINT,  NONE, WZYX),
 259         V_(R32G32B32_USCALED, 32_32_32_UINT,  NONE, WZYX),
 260         V_(R32G32B32_SSCALED, 32_32_32_SINT,  NONE, WZYX),
 261         VT(R32G32B32_FLOAT,   32_32_32_FLOAT, NONE, WZYX),
 262         V_(R32G32B32_FIXED,   32_32_32_FIXED, NONE, WZYX),
 263
 264         /* 128-bit */
 265         VT(R32G32B32A32_UINT,    32_32_32_32_UINT,  R32G32B32A32_UINT,  WZYX),
 266         _T(R32G32B32X32_UINT,    32_32_32_32_UINT,  R32G32B32A32_UINT,  WZYX),
 267         VT(R32G32B32A32_SINT,    32_32_32_32_SINT,  R32G32B32A32_SINT,  WZYX),
 268         _T(R32G32B32X32_SINT,    32_32_32_32_SINT,  R32G32B32A32_SINT,  WZYX),
 269         V_(R32G32B32A32_USCALED, 32_32_32_32_UINT,  NONE,               WZYX),
 270         V_(R32G32B32A32_SSCALED, 32_32_32_32_SINT,  NONE,               WZYX),
 271         VT(R32G32B32A32_FLOAT,   32_32_32_32_FLOAT, R32G32B32A32_FLOAT, WZYX),
 272         _T(R32G32B32X32_FLOAT,   32_32_32_32_FLOAT, R32G32B32A32_FLOAT, WZYX),
 273         V_(R32G32B32A32_FIXED,   32_32_32_32_FIXED, NONE,               WZYX),
 274
 275         /* compressed */
 276         _T(ETC1_RGB8, ETC1, NONE, WZYX),
 277         _T(ETC2_RGB8, ETC2_RGB8, NONE, WZYX),
 278         _T(ETC2_SRGB8, ETC2_RGB8, NONE, WZYX),
 279         _T(ETC2_RGB8A1, ETC2_RGB8A1, NONE, WZYX),
 280         _T(ETC2_SRGB8A1, ETC2_RGB8A1, NONE, WZYX),
 281         _T(ETC2_RGBA8, ETC2_RGBA8, NONE, WZYX),
 282         _T(ETC2_SRGBA8, ETC2_RGBA8, NONE, WZYX),
 283         _T(ETC2_R11_UNORM, ETC2_R11_UNORM, NONE, WZYX),
 284         _T(ETC2_R11_SNORM, ETC2_R11_SNORM, NONE, WZYX),
 285         _T(ETC2_RG11_UNORM, ETC2_RG11_UNORM, NONE, WZYX),
 286         _T(ETC2_RG11_SNORM, ETC2_RG11_SNORM, NONE, WZYX),
 287
 288         _T(DXT1_RGB,   DXT1, NONE, WZYX),
 289         _T(DXT1_SRGB,  DXT1, NONE, WZYX),
 290         _T(DXT1_RGBA,  DXT1, NONE, WZYX),
 291         _T(DXT1_SRGBA, DXT1, NONE, WZYX),
 292         _T(DXT3_RGBA,  DXT3, NONE, WZYX),
 293         _T(DXT3_SRGBA, DXT3, NONE, WZYX),
 294         _T(DXT5_RGBA,  DXT5, NONE, WZYX),
 295         _T(DXT5_SRGBA, DXT5, NONE, WZYX),
 296
 297         _T(BPTC_RGBA_UNORM, BPTC,        NONE, WZYX),
 298         _T(BPTC_SRGBA,      BPTC,        NONE, WZYX),
 299         _T(BPTC_RGB_FLOAT,  BPTC_FLOAT,  NONE, WZYX),
 300         _T(BPTC_RGB_UFLOAT, BPTC_UFLOAT, NONE, WZYX),
 301
 302         _T(RGTC1_UNORM, RGTC1_UNORM, NONE, WZYX),
 303         _T(RGTC1_SNORM, RGTC1_SNORM, NONE, WZYX),
 304         _T(RGTC2_UNORM, RGTC2_UNORM, NONE, WZYX),
 305         _T(RGTC2_SNORM, RGTC2_SNORM, NONE, WZYX),
 306         _T(LATC1_UNORM, RGTC1_UNORM, NONE, WZYX),
 307         _T(LATC1_SNORM, RGTC1_SNORM, NONE, WZYX),
 308         _T(LATC2_UNORM, RGTC2_UNORM, NONE, WZYX),
 309         _T(LATC2_SNORM, RGTC2_SNORM, NONE, WZYX),
 310
 311         _T(ASTC_4x4,   ASTC_4x4,   NONE, WZYX),
 312         _T(ASTC_5x4,   ASTC_5x4,   NONE, WZYX),
 313         _T(ASTC_5x5,   ASTC_5x5,   NONE, WZYX),
 314         _T(ASTC_6x5,   ASTC_6x5,   NONE, WZYX),
 315         _T(ASTC_6x6,   ASTC_6x6,   NONE, WZYX),
 316         _T(ASTC_8x5,   ASTC_8x5,   NONE, WZYX),
 317         _T(ASTC_8x6,   ASTC_8x6,   NONE, WZYX),
 318         _T(ASTC_8x8,   ASTC_8x8,   NONE, WZYX),
 319         _T(ASTC_10x5,  ASTC_10x5,  NONE, WZYX),
 320         _T(ASTC_10x6,  ASTC_10x6,  NONE, WZYX),
 321         _T(ASTC_10x8,  ASTC_10x8,  NONE, WZYX),
 322         _T(ASTC_10x10, ASTC_10x10, NONE, WZYX),
 323         _T(ASTC_12x10, ASTC_12x10, NONE, WZYX),
 324         _T(ASTC_12x12, ASTC_12x12, NONE, WZYX),
 325
 326         _T(ASTC_4x4_SRGB,   ASTC_4x4,   NONE, WZYX),
 327         _T(ASTC_5x4_SRGB,   ASTC_5x4,   NONE, WZYX),
 328         _T(ASTC_5x5_SRGB,   ASTC_5x5,   NONE, WZYX),
 329         _T(ASTC_6x5_SRGB,   ASTC_6x5,   NONE, WZYX),
 330         _T(ASTC_6x6_SRGB,   ASTC_6x6,   NONE, WZYX),
 331         _T(ASTC_8x5_SRGB,   ASTC_8x5,   NONE, WZYX),
 332         _T(ASTC_8x6_SRGB,   ASTC_8x6,   NONE, WZYX),
 333         _T(ASTC_8x8_SRGB,   ASTC_8x8,   NONE, WZYX),
 334         _T(ASTC_10x5_SRGB,  ASTC_10x5,  NONE, WZYX),
 335         _T(ASTC_10x6_SRGB,  ASTC_10x6,  NONE, WZYX),
 336         _T(ASTC_10x8_SRGB,  ASTC_10x8,  NONE, WZYX),
 337         _T(ASTC_10x10_SRGB, ASTC_10x10, NONE, WZYX),
 338         _T(ASTC_12x10_SRGB, ASTC_12x10, NONE, WZYX),
 339         _T(ASTC_12x12_SRGB, ASTC_12x12, NONE, WZYX),
 340 };
 341
 342 /* convert pipe format to vertex buffer format: */
 343 enum a5xx_vtx_fmt
 344 fd5_pipe2vtx(enum pipe_format format)
 345 {
 346         if (!formats[format].present)
 347                 return ~0;
 348         return formats[format].vtx;
 349 }
 350
 351 /* convert pipe format to texture sampler format: */
 352 enum a5xx_tex_fmt
 353 fd5_pipe2tex(enum pipe_format format)
 354 {
 355         if (!formats[format].present)
 356                 return ~0;
 357         return formats[format].tex;
 358 }
 359
 360 /* convert pipe format to MRT / copydest format used for render-target: */
 361 enum a5xx_color_fmt
 362 fd5_pipe2color(enum pipe_format format)
 363 {
 364         if (!formats[format].present)
 365                 return ~0;
 366         return formats[format].rb;
 367 }
 368
 369 enum a3xx_color_swap
 370 fd5_pipe2swap(enum pipe_format format)
 371 {
 372         if (!formats[format].present)
 373                 return WZYX;
 374         return formats[format].swap;
 375 }
 376
 377 // XXX possibly same as a4xx..
 378 enum a5xx_tex_fetchsize
 379 fd5_pipe2fetchsize(enum pipe_format format)
 380 {
 381         if (format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT)
 382                 format = PIPE_FORMAT_Z32_FLOAT;
 383
 384         if (util_format_description(format)->layout == UTIL_FORMAT_LAYOUT_ASTC)
 385                 return TFETCH5_16_BYTE;
 386
 387         switch (util_format_get_blocksizebits(format) / util_format_get_blockwidth(format)) {
 388         case 8:   return TFETCH5_1_BYTE;
 389         case 16:  return TFETCH5_2_BYTE;
 390         case 32:  return TFETCH5_4_BYTE;
 391         case 64:  return TFETCH5_8_BYTE;
 392         case 96:  return TFETCH5_1_BYTE; /* Does this matter? */
 393         case 128: return TFETCH5_16_BYTE;
 394         default:
 395                 debug_printf("Unknown block size for format %s: %d\n",
 396                                 util_format_name(format),
 397                                 util_format_get_blocksizebits(format));
 398                 return TFETCH5_1_BYTE;
 399         }
 400 }
 401
 402 enum a5xx_depth_format
 403 fd5_pipe2depth(enum pipe_format format)
 404 {
 405         switch (format) {
 406         case PIPE_FORMAT_Z16_UNORM:
 407                 return DEPTH5_16;
 408         case PIPE_FORMAT_Z24X8_UNORM:
 409         case PIPE_FORMAT_Z24_UNORM_S8_UINT:
 410         case PIPE_FORMAT_X8Z24_UNORM:
 411         case PIPE_FORMAT_S8_UINT_Z24_UNORM:
 412                 return DEPTH5_24_8;
 413         case PIPE_FORMAT_Z32_FLOAT:
 414         case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
 415                 return DEPTH5_32;
 416         default:
 417                 return ~0;
 418         }
 419 }
 420
 421 static inline enum a5xx_tex_swiz
 422 tex_swiz(unsigned swiz)
 423 {
 424         switch (swiz) {
 425         default:
 426         case PIPE_SWIZZLE_X: return A5XX_TEX_X;
 427         case PIPE_SWIZZLE_Y: return A5XX_TEX_Y;
 428         case PIPE_SWIZZLE_Z: return A5XX_TEX_Z;
 429         case PIPE_SWIZZLE_W: return A5XX_TEX_W;
 430         case PIPE_SWIZZLE_0: return A5XX_TEX_ZERO;
 431         case PIPE_SWIZZLE_1: return A5XX_TEX_ONE;
 432         }
 433 }
 434
 435 uint32_t
 436 fd5_tex_swiz(enum pipe_format format, unsigned swizzle_r, unsigned swizzle_g,
 437                 unsigned swizzle_b, unsigned swizzle_a)
 438 {
 439         const struct util_format_description *desc =
 440                         util_format_description(format);
 441         unsigned char swiz[4] = {
 442                         swizzle_r, swizzle_g, swizzle_b, swizzle_a,
 443         }, rswiz[4];
 444
 445         util_format_compose_swizzles(desc->swizzle, swiz, rswiz);
 446
 447         return A5XX_TEX_CONST_0_SWIZ_X(tex_swiz(rswiz[0])) |
 448                         A5XX_TEX_CONST_0_SWIZ_Y(tex_swiz(rswiz[1])) |
 449                         A5XX_TEX_CONST_0_SWIZ_Z(tex_swiz(rswiz[2])) |
 450                         A5XX_TEX_CONST_0_SWIZ_W(tex_swiz(rswiz[3]));
 451 }