src/gallium/drivers/freedreno/a6xx/fd6_format.c

   1 /*
   2  * Copyright (C) 2016 Rob Clark <robclark@freedesktop.org>
   3  * Copyright © 2018 Google, Inc.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the next
  13  * paragraph) shall be included in all copies or substantial portions of the
  14  * Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  22  * SOFTWARE.
  23  *
  24  * Authors:
  25  *    Rob Clark <robclark@freedesktop.org>
  26  */
  27
  28 #include "pipe/p_defines.h"
  29 #include "util/format/u_format.h"
  30
  31 #include "fd6_format.h"
  32 #include "freedreno_resource.h"
  33
  34
  35 /* Specifies the table of all the formats and their features. Also supplies
  36  * the helpers that look up various data in those tables.
  37  */
  38
  39 struct fd6_format {
  40         enum a6xx_vtx_fmt vtx;
  41         enum a6xx_tex_fmt tex;
  42         enum a6xx_color_fmt rb;
  43         enum a3xx_color_swap swap;
  44         boolean present;
  45 };
  46
  47 #define RB6_NONE ~0
  48
  49 /* vertex + texture */
  50 #define VT(pipe, fmt, rbfmt, swapfmt) \
  51         [PIPE_FORMAT_ ## pipe] = { \
  52                 .present = 1, \
  53                 .vtx = VFMT6_ ## fmt, \
  54                 .tex = TFMT6_ ## fmt, \
  55                 .rb = RB6_ ## rbfmt, \
  56                 .swap = swapfmt \
  57         }
  58
  59 /* texture-only */
  60 #define _T(pipe, fmt, rbfmt, swapfmt) \
  61         [PIPE_FORMAT_ ## pipe] = { \
  62                 .present = 1, \
  63                 .vtx = ~0, \
  64                 .tex = TFMT6_ ## fmt, \
  65                 .rb = RB6_ ## rbfmt, \
  66                 .swap = swapfmt \
  67         }
  68
  69 /* vertex-only */
  70 #define V_(pipe, fmt, rbfmt, swapfmt) \
  71         [PIPE_FORMAT_ ## pipe] = { \
  72                 .present = 1, \
  73                 .vtx = VFMT6_ ## fmt, \
  74                 .tex = ~0, \
  75                 .rb = RB6_ ## rbfmt, \
  76                 .swap = swapfmt \
  77         }
  78
  79 static struct fd6_format formats[PIPE_FORMAT_COUNT] = {
  80         /* for blitting, treat PIPE_FORMAT_NONE as 8bit R8: */
  81         _T(R8_UINT,    8_UINT,  R8_UINT,  WZYX),
  82
  83         /* 8-bit */
  84         VT(R8_UNORM,   8_UNORM, R8_UNORM, WZYX),
  85         VT(R8_SNORM,   8_SNORM, R8_SNORM, WZYX),
  86         VT(R8_UINT,    8_UINT,  R8_UINT,  WZYX),
  87         VT(R8_SINT,    8_SINT,  R8_SINT,  WZYX),
  88         V_(R8_USCALED, 8_UINT,  NONE,     WZYX),
  89         V_(R8_SSCALED, 8_SINT,  NONE,     WZYX),
  90
  91         _T(A8_UNORM,   8_UNORM, A8_UNORM, WZYX),
  92         _T(L8_UNORM,   8_UNORM, R8_UNORM, WZYX),
  93         _T(I8_UNORM,   8_UNORM, NONE,     WZYX),
  94
  95         _T(A8_UINT,    8_UINT,  NONE,     WZYX),
  96         _T(A8_SINT,    8_SINT,  NONE,     WZYX),
  97         _T(L8_UINT,    8_UINT,  NONE,     WZYX),
  98         _T(L8_SINT,    8_SINT,  NONE,     WZYX),
  99         _T(I8_UINT,    8_UINT,  NONE,     WZYX),
 100         _T(I8_SINT,    8_SINT,  NONE,     WZYX),
 101
 102         _T(S8_UINT,    8_UINT,  R8_UNORM, WZYX),
 103
 104         /* 16-bit */
 105         VT(R16_UNORM,   16_UNORM, R16_UNORM, WZYX),
 106         VT(R16_SNORM,   16_SNORM, R16_SNORM, WZYX),
 107         VT(R16_UINT,    16_UINT,  R16_UINT,  WZYX),
 108         VT(R16_SINT,    16_SINT,  R16_SINT,  WZYX),
 109         V_(R16_USCALED, 16_UINT,  NONE,      WZYX),
 110         V_(R16_SSCALED, 16_SINT,  NONE,      WZYX),
 111         VT(R16_FLOAT,   16_FLOAT, R16_FLOAT, WZYX),
 112         _T(Z16_UNORM,   16_UNORM, R16_UNORM, WZYX),
 113
 114         _T(A16_UNORM,   16_UNORM, NONE,      WZYX),
 115         _T(A16_SNORM,   16_SNORM, NONE,      WZYX),
 116         _T(A16_UINT,    16_UINT,  NONE,      WZYX),
 117         _T(A16_SINT,    16_SINT,  NONE,      WZYX),
 118         _T(L16_UNORM,   16_UNORM, NONE,      WZYX),
 119         _T(L16_SNORM,   16_SNORM, NONE,      WZYX),
 120         _T(L16_UINT,    16_UINT,  NONE,      WZYX),
 121         _T(L16_SINT,    16_SINT,  NONE,      WZYX),
 122         _T(I16_UNORM,   16_UNORM, NONE,      WZYX),
 123         _T(I16_SNORM,   16_SNORM, NONE,      WZYX),
 124         _T(I16_UINT,    16_UINT,  NONE,      WZYX),
 125         _T(I16_SINT,    16_SINT,  NONE,      WZYX),
 126
 127         VT(R8G8_UNORM,   8_8_UNORM, R8G8_UNORM, WZYX),
 128         VT(R8G8_SNORM,   8_8_SNORM, R8G8_SNORM, WZYX),
 129         VT(R8G8_UINT,    8_8_UINT,  R8G8_UINT,  WZYX),
 130         VT(R8G8_SINT,    8_8_SINT,  R8G8_SINT,  WZYX),
 131         V_(R8G8_USCALED, 8_8_UINT,  NONE,       WZYX),
 132         V_(R8G8_SSCALED, 8_8_SINT,  NONE,       WZYX),
 133
 134         _T(L8A8_UINT,    8_8_UINT,  NONE,       WZYX),
 135         _T(L8A8_SINT,    8_8_SINT,  NONE,       WZYX),
 136
 137         _T(B5G6R5_UNORM,   5_6_5_UNORM,   R5G6B5_UNORM,   WXYZ),
 138         _T(B5G5R5A1_UNORM, 5_5_5_1_UNORM, R5G5B5A1_UNORM, WXYZ),
 139         _T(B5G5R5X1_UNORM, 5_5_5_1_UNORM, R5G5B5A1_UNORM, WXYZ),
 140         _T(B4G4R4A4_UNORM, 4_4_4_4_UNORM, R4G4B4A4_UNORM, WXYZ),
 141
 142         /* 24-bit */
 143         V_(R8G8B8_UNORM,   8_8_8_UNORM, NONE, WZYX),
 144         V_(R8G8B8_SNORM,   8_8_8_SNORM, NONE, WZYX),
 145         V_(R8G8B8_UINT,    8_8_8_UINT,  NONE, WZYX),
 146         V_(R8G8B8_SINT,    8_8_8_SINT,  NONE, WZYX),
 147         V_(R8G8B8_USCALED, 8_8_8_UINT,  NONE, WZYX),
 148         V_(R8G8B8_SSCALED, 8_8_8_SINT,  NONE, WZYX),
 149
 150         /* 32-bit */
 151         VT(R32_UINT,    32_UINT,  R32_UINT, WZYX),
 152         VT(R32_SINT,    32_SINT,  R32_SINT, WZYX),
 153         V_(R32_USCALED, 32_UINT,  NONE,     WZYX),
 154         V_(R32_SSCALED, 32_SINT,  NONE,     WZYX),
 155         VT(R32_FLOAT,   32_FLOAT, R32_FLOAT,WZYX),
 156         V_(R32_FIXED,   32_FIXED, NONE,     WZYX),
 157
 158         _T(A32_UINT,    32_UINT,  NONE,     WZYX),
 159         _T(A32_SINT,    32_SINT,  NONE,     WZYX),
 160         _T(L32_UINT,    32_UINT,  NONE,     WZYX),
 161         _T(L32_SINT,    32_SINT,  NONE,     WZYX),
 162         _T(I32_UINT,    32_UINT,  NONE,     WZYX),
 163         _T(I32_SINT,    32_SINT,  NONE,     WZYX),
 164
 165         VT(R16G16_UNORM,   16_16_UNORM, R16G16_UNORM, WZYX),
 166         VT(R16G16_SNORM,   16_16_SNORM, R16G16_SNORM, WZYX),
 167         VT(R16G16_UINT,    16_16_UINT,  R16G16_UINT,  WZYX),
 168         VT(R16G16_SINT,    16_16_SINT,  R16G16_SINT,  WZYX),
 169         VT(R16G16_USCALED, 16_16_UINT,  NONE,         WZYX),
 170         VT(R16G16_SSCALED, 16_16_SINT,  NONE,         WZYX),
 171         VT(R16G16_FLOAT,   16_16_FLOAT, R16G16_FLOAT, WZYX),
 172
 173         _T(L16A16_UNORM,   16_16_UNORM, NONE,         WZYX),
 174         _T(L16A16_SNORM,   16_16_SNORM, NONE,         WZYX),
 175         _T(L16A16_UINT,    16_16_UINT,  NONE,         WZYX),
 176         _T(L16A16_SINT,    16_16_SINT,  NONE,         WZYX),
 177
 178         VT(R8G8B8A8_UNORM,   8_8_8_8_UNORM, R8G8B8A8_UNORM, WZYX),
 179         _T(R8G8B8X8_UNORM,   8_8_8_8_UNORM, R8G8B8A8_UNORM, WZYX),
 180         _T(R8G8B8A8_SRGB,    8_8_8_8_UNORM, R8G8B8A8_UNORM, WZYX),
 181         _T(R8G8B8X8_SRGB,    8_8_8_8_UNORM, R8G8B8A8_UNORM, WZYX),
 182         VT(R8G8B8A8_SNORM,   8_8_8_8_SNORM, R8G8B8A8_SNORM, WZYX),
 183         VT(R8G8B8A8_UINT,    8_8_8_8_UINT,  R8G8B8A8_UINT,  WZYX),
 184         VT(R8G8B8A8_SINT,    8_8_8_8_SINT,  R8G8B8A8_SINT,  WZYX),
 185         V_(R8G8B8A8_USCALED, 8_8_8_8_UINT,  NONE,           WZYX),
 186         V_(R8G8B8A8_SSCALED, 8_8_8_8_SINT,  NONE,           WZYX),
 187
 188         VT(B8G8R8A8_UNORM,   8_8_8_8_UNORM, R8G8B8A8_UNORM, WXYZ),
 189         _T(B8G8R8X8_UNORM,   8_8_8_8_UNORM, R8G8B8A8_UNORM, WXYZ),
 190         VT(B8G8R8A8_SRGB,    8_8_8_8_UNORM, R8G8B8A8_UNORM, WXYZ),
 191         _T(B8G8R8X8_SRGB,    8_8_8_8_UNORM, R8G8B8A8_UNORM, WXYZ),
 192
 193         VT(A8B8G8R8_UNORM,   8_8_8_8_UNORM, R8G8B8A8_UNORM, XYZW),
 194         _T(X8B8G8R8_UNORM,   8_8_8_8_UNORM, R8G8B8A8_UNORM, XYZW),
 195         _T(A8B8G8R8_SRGB,    8_8_8_8_UNORM, R8G8B8A8_UNORM, XYZW),
 196         _T(X8B8G8R8_SRGB,    8_8_8_8_UNORM, R8G8B8A8_UNORM, XYZW),
 197
 198         VT(A8R8G8B8_UNORM,   8_8_8_8_UNORM, R8G8B8A8_UNORM, ZYXW),
 199         _T(X8R8G8B8_UNORM,   8_8_8_8_UNORM, R8G8B8A8_UNORM, ZYXW),
 200         _T(A8R8G8B8_SRGB,    8_8_8_8_UNORM, R8G8B8A8_UNORM, ZYXW),
 201         _T(X8R8G8B8_SRGB,    8_8_8_8_UNORM, R8G8B8A8_UNORM, ZYXW),
 202
 203         VT(R10G10B10A2_UNORM,   10_10_10_2_UNORM, R10G10B10A2_UNORM, WZYX),
 204         VT(B10G10R10A2_UNORM,   10_10_10_2_UNORM, R10G10B10A2_UNORM, WXYZ),
 205         _T(B10G10R10X2_UNORM,   10_10_10_2_UNORM, R10G10B10A2_UNORM, WXYZ),
 206         V_(R10G10B10A2_SNORM,   10_10_10_2_SNORM, NONE,              WZYX),
 207         V_(B10G10R10A2_SNORM,   10_10_10_2_SNORM, NONE,              WXYZ),
 208         VT(R10G10B10A2_UINT,    10_10_10_2_UINT,  R10G10B10A2_UINT,  WZYX),
 209         VT(B10G10R10A2_UINT,    10_10_10_2_UINT,  R10G10B10A2_UINT,  WXYZ),
 210         V_(R10G10B10A2_USCALED, 10_10_10_2_UINT,  NONE,              WZYX),
 211         V_(B10G10R10A2_USCALED, 10_10_10_2_UINT,  NONE,              WXYZ),
 212         V_(R10G10B10A2_SSCALED, 10_10_10_2_SINT,  NONE,              WZYX),
 213         V_(B10G10R10A2_SSCALED, 10_10_10_2_SINT,  NONE,              WXYZ),
 214
 215         VT(R11G11B10_FLOAT, 11_11_10_FLOAT, R11G11B10_FLOAT, WZYX),
 216         _T(R9G9B9E5_FLOAT,  9_9_9_E5_FLOAT, NONE,            WZYX),
 217
 218         _T(Z24X8_UNORM,          X8Z24_UNORM,       Z24_UNORM_S8_UINT, WZYX),
 219         _T(X24S8_UINT,           8_8_8_8_UINT,      Z24_UNORM_S8_UINT, WZYX),
 220         _T(Z24_UNORM_S8_UINT,    X8Z24_UNORM,       Z24_UNORM_S8_UINT, WZYX),
 221         _T(Z32_FLOAT,            32_FLOAT,          R32_FLOAT,         WZYX),
 222         _T(Z32_FLOAT_S8X24_UINT, 32_FLOAT,          R32_FLOAT,         WZYX),
 223         _T(X32_S8X24_UINT,       8_UINT,            R8_UINT,           WZYX),
 224
 225         /* special format for blits: */
 226         _T(Z24_UNORM_S8_UINT_AS_R8G8B8A8, Z24_UNORM_S8_UINT,  Z24_UNORM_S8_UINT_AS_R8G8B8A8,   WZYX),
 227
 228         /* 48-bit */
 229         V_(R16G16B16_UNORM,   16_16_16_UNORM, NONE, WZYX),
 230         V_(R16G16B16_SNORM,   16_16_16_SNORM, NONE, WZYX),
 231         V_(R16G16B16_UINT,    16_16_16_UINT,  NONE, WZYX),
 232         V_(R16G16B16_SINT,    16_16_16_SINT,  NONE, WZYX),
 233         V_(R16G16B16_USCALED, 16_16_16_UINT,  NONE, WZYX),
 234         V_(R16G16B16_SSCALED, 16_16_16_SINT,  NONE, WZYX),
 235         V_(R16G16B16_FLOAT,   16_16_16_FLOAT, NONE, WZYX),
 236
 237         /* 64-bit */
 238         VT(R16G16B16A16_UNORM,   16_16_16_16_UNORM, R16G16B16A16_UNORM, WZYX),
 239         VT(R16G16B16X16_UNORM,   16_16_16_16_UNORM, R16G16B16A16_UNORM, WZYX),
 240         VT(R16G16B16A16_SNORM,   16_16_16_16_SNORM, R16G16B16A16_SNORM, WZYX),
 241         VT(R16G16B16X16_SNORM,   16_16_16_16_SNORM, R16G16B16A16_SNORM, WZYX),
 242         VT(R16G16B16A16_UINT,    16_16_16_16_UINT,  R16G16B16A16_UINT,  WZYX),
 243         VT(R16G16B16X16_UINT,    16_16_16_16_UINT,  R16G16B16A16_UINT,  WZYX),
 244         VT(R16G16B16A16_SINT,    16_16_16_16_SINT,  R16G16B16A16_SINT,  WZYX),
 245         VT(R16G16B16X16_SINT,    16_16_16_16_SINT,  R16G16B16A16_SINT,  WZYX),
 246         VT(R16G16B16A16_USCALED, 16_16_16_16_UINT,  NONE,               WZYX),
 247         VT(R16G16B16A16_SSCALED, 16_16_16_16_SINT,  NONE,               WZYX),
 248         VT(R16G16B16A16_FLOAT,   16_16_16_16_FLOAT, R16G16B16A16_FLOAT, WZYX),
 249         VT(R16G16B16X16_FLOAT,   16_16_16_16_FLOAT, R16G16B16A16_FLOAT, WZYX),
 250
 251         VT(R32G32_UINT,    32_32_UINT,  R32G32_UINT, WZYX),
 252         VT(R32G32_SINT,    32_32_SINT,  R32G32_SINT, WZYX),
 253         V_(R32G32_USCALED, 32_32_UINT,  NONE,        WZYX),
 254         V_(R32G32_SSCALED, 32_32_SINT,  NONE,        WZYX),
 255         VT(R32G32_FLOAT,   32_32_FLOAT, R32G32_FLOAT,WZYX),
 256         V_(R32G32_FIXED,   32_32_FIXED, NONE,        WZYX),
 257
 258         _T(L32A32_UINT,    32_32_UINT,  NONE,        WZYX),
 259         _T(L32A32_SINT,    32_32_SINT,  NONE,        WZYX),
 260
 261         /* 96-bit */
 262         VT(R32G32B32_UINT,    32_32_32_UINT,  NONE, WZYX),
 263         VT(R32G32B32_SINT,    32_32_32_SINT,  NONE, WZYX),
 264         V_(R32G32B32_USCALED, 32_32_32_UINT,  NONE, WZYX),
 265         V_(R32G32B32_SSCALED, 32_32_32_SINT,  NONE, WZYX),
 266         VT(R32G32B32_FLOAT,   32_32_32_FLOAT, NONE, WZYX),
 267         V_(R32G32B32_FIXED,   32_32_32_FIXED, NONE, WZYX),
 268
 269         /* 128-bit */
 270         VT(R32G32B32A32_UINT,    32_32_32_32_UINT,  R32G32B32A32_UINT,  WZYX),
 271         _T(R32G32B32X32_UINT,    32_32_32_32_UINT,  R32G32B32A32_UINT,  WZYX),
 272         VT(R32G32B32A32_SINT,    32_32_32_32_SINT,  R32G32B32A32_SINT,  WZYX),
 273         _T(R32G32B32X32_SINT,    32_32_32_32_SINT,  R32G32B32A32_SINT,  WZYX),
 274         V_(R32G32B32A32_USCALED, 32_32_32_32_UINT,  NONE,               WZYX),
 275         V_(R32G32B32A32_SSCALED, 32_32_32_32_SINT,  NONE,               WZYX),
 276         VT(R32G32B32A32_FLOAT,   32_32_32_32_FLOAT, R32G32B32A32_FLOAT, WZYX),
 277         _T(R32G32B32X32_FLOAT,   32_32_32_32_FLOAT, R32G32B32A32_FLOAT, WZYX),
 278         V_(R32G32B32A32_FIXED,   32_32_32_32_FIXED, NONE,               WZYX),
 279
 280         /* compressed */
 281         _T(ETC1_RGB8, ETC1, NONE, WZYX),
 282         _T(ETC2_RGB8, ETC2_RGB8, NONE, WZYX),
 283         _T(ETC2_SRGB8, ETC2_RGB8, NONE, WZYX),
 284         _T(ETC2_RGB8A1, ETC2_RGB8A1, NONE, WZYX),
 285         _T(ETC2_SRGB8A1, ETC2_RGB8A1, NONE, WZYX),
 286         _T(ETC2_RGBA8, ETC2_RGBA8, NONE, WZYX),
 287         _T(ETC2_SRGBA8, ETC2_RGBA8, NONE, WZYX),
 288         _T(ETC2_R11_UNORM, ETC2_R11_UNORM, NONE, WZYX),
 289         _T(ETC2_R11_SNORM, ETC2_R11_SNORM, NONE, WZYX),
 290         _T(ETC2_RG11_UNORM, ETC2_RG11_UNORM, NONE, WZYX),
 291         _T(ETC2_RG11_SNORM, ETC2_RG11_SNORM, NONE, WZYX),
 292
 293         _T(DXT1_RGB,   DXT1, NONE, WZYX),
 294         _T(DXT1_SRGB,  DXT1, NONE, WZYX),
 295         _T(DXT1_RGBA,  DXT1, NONE, WZYX),
 296         _T(DXT1_SRGBA, DXT1, NONE, WZYX),
 297         _T(DXT3_RGBA,  DXT3, NONE, WZYX),
 298         _T(DXT3_SRGBA, DXT3, NONE, WZYX),
 299         _T(DXT5_RGBA,  DXT5, NONE, WZYX),
 300         _T(DXT5_SRGBA, DXT5, NONE, WZYX),
 301
 302         _T(BPTC_RGBA_UNORM, BPTC,        NONE, WZYX),
 303         _T(BPTC_SRGBA,      BPTC,        NONE, WZYX),
 304         _T(BPTC_RGB_FLOAT,  BPTC_FLOAT,  NONE, WZYX),
 305         _T(BPTC_RGB_UFLOAT, BPTC_UFLOAT, NONE, WZYX),
 306
 307         _T(RGTC1_UNORM, RGTC1_UNORM, NONE, WZYX),
 308         _T(RGTC1_SNORM, RGTC1_SNORM, NONE, WZYX),
 309         _T(RGTC2_UNORM, RGTC2_UNORM, NONE, WZYX),
 310         _T(RGTC2_SNORM, RGTC2_SNORM, NONE, WZYX),
 311         _T(LATC1_UNORM, RGTC1_UNORM, NONE, WZYX),
 312         _T(LATC1_SNORM, RGTC1_SNORM, NONE, WZYX),
 313         _T(LATC2_UNORM, RGTC2_UNORM, NONE, WZYX),
 314         _T(LATC2_SNORM, RGTC2_SNORM, NONE, WZYX),
 315
 316         _T(ASTC_4x4,   ASTC_4x4,   NONE, WZYX),
 317         _T(ASTC_5x4,   ASTC_5x4,   NONE, WZYX),
 318         _T(ASTC_5x5,   ASTC_5x5,   NONE, WZYX),
 319         _T(ASTC_6x5,   ASTC_6x5,   NONE, WZYX),
 320         _T(ASTC_6x6,   ASTC_6x6,   NONE, WZYX),
 321         _T(ASTC_8x5,   ASTC_8x5,   NONE, WZYX),
 322         _T(ASTC_8x6,   ASTC_8x6,   NONE, WZYX),
 323         _T(ASTC_8x8,   ASTC_8x8,   NONE, WZYX),
 324         _T(ASTC_10x5,  ASTC_10x5,  NONE, WZYX),
 325         _T(ASTC_10x6,  ASTC_10x6,  NONE, WZYX),
 326         _T(ASTC_10x8,  ASTC_10x8,  NONE, WZYX),
 327         _T(ASTC_10x10, ASTC_10x10, NONE, WZYX),
 328         _T(ASTC_12x10, ASTC_12x10, NONE, WZYX),
 329         _T(ASTC_12x12, ASTC_12x12, NONE, WZYX),
 330
 331         _T(ASTC_4x4_SRGB,   ASTC_4x4,   NONE, WZYX),
 332         _T(ASTC_5x4_SRGB,   ASTC_5x4,   NONE, WZYX),
 333         _T(ASTC_5x5_SRGB,   ASTC_5x5,   NONE, WZYX),
 334         _T(ASTC_6x5_SRGB,   ASTC_6x5,   NONE, WZYX),
 335         _T(ASTC_6x6_SRGB,   ASTC_6x6,   NONE, WZYX),
 336         _T(ASTC_8x5_SRGB,   ASTC_8x5,   NONE, WZYX),
 337         _T(ASTC_8x6_SRGB,   ASTC_8x6,   NONE, WZYX),
 338         _T(ASTC_8x8_SRGB,   ASTC_8x8,   NONE, WZYX),
 339         _T(ASTC_10x5_SRGB,  ASTC_10x5,  NONE, WZYX),
 340         _T(ASTC_10x6_SRGB,  ASTC_10x6,  NONE, WZYX),
 341         _T(ASTC_10x8_SRGB,  ASTC_10x8,  NONE, WZYX),
 342         _T(ASTC_10x10_SRGB, ASTC_10x10, NONE, WZYX),
 343         _T(ASTC_12x10_SRGB, ASTC_12x10, NONE, WZYX),
 344         _T(ASTC_12x12_SRGB, ASTC_12x12, NONE, WZYX),
 345 };
 346
 347 /* convert pipe format to vertex buffer format: */
 348 enum a6xx_vtx_fmt
 349 fd6_pipe2vtx(enum pipe_format format)
 350 {
 351         if (!formats[format].present)
 352                 return ~0;
 353         return formats[format].vtx;
 354 }
 355
 356 /* convert pipe format to texture sampler format: */
 357 enum a6xx_tex_fmt
 358 fd6_pipe2tex(enum pipe_format format)
 359 {
 360         if (!formats[format].present)
 361                 return ~0;
 362         return formats[format].tex;
 363 }
 364
 365 /* convert pipe format to MRT / copydest format used for render-target: */
 366 enum a6xx_color_fmt
 367 fd6_pipe2color(enum pipe_format format)
 368 {
 369         if (!formats[format].present)
 370                 return ~0;
 371         return formats[format].rb;
 372 }
 373
 374 enum a3xx_color_swap
 375 fd6_pipe2swap(enum pipe_format format)
 376 {
 377         if (!formats[format].present)
 378                 return WZYX;
 379         return formats[format].swap;
 380 }
 381
 382 // XXX possibly same as a4xx..
 383 enum a6xx_tex_fetchsize
 384 fd6_pipe2fetchsize(enum pipe_format format)
 385 {
 386         if (format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT)
 387                 format = PIPE_FORMAT_Z32_FLOAT;
 388
 389         if (util_format_description(format)->layout == UTIL_FORMAT_LAYOUT_ASTC)
 390                 return TFETCH6_16_BYTE;
 391
 392         switch (util_format_get_blocksizebits(format) / util_format_get_blockwidth(format)) {
 393         case 8:   return TFETCH6_1_BYTE;
 394         case 16:  return TFETCH6_2_BYTE;
 395         case 32:  return TFETCH6_4_BYTE;
 396         case 64:  return TFETCH6_8_BYTE;
 397         case 96:  return TFETCH6_1_BYTE; /* Does this matter? */
 398         case 128: return TFETCH6_16_BYTE;
 399         default:
 400                 debug_printf("Unknown block size for format %s: %d\n",
 401                                 util_format_name(format),
 402                                 util_format_get_blocksizebits(format));
 403                 return TFETCH6_1_BYTE;
 404         }
 405 }
 406
 407 enum a6xx_depth_format
 408 fd6_pipe2depth(enum pipe_format format)
 409 {
 410         switch (format) {
 411         case PIPE_FORMAT_Z16_UNORM:
 412                 return DEPTH6_16;
 413         case PIPE_FORMAT_Z24X8_UNORM:
 414         case PIPE_FORMAT_Z24_UNORM_S8_UINT:
 415         case PIPE_FORMAT_X8Z24_UNORM:
 416         case PIPE_FORMAT_S8_UINT_Z24_UNORM:
 417                 return DEPTH6_24_8;
 418         case PIPE_FORMAT_Z32_FLOAT:
 419         case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
 420                 return DEPTH6_32;
 421         default:
 422                 return ~0;
 423         }
 424 }
 425
 426 enum a6xx_tex_swiz
 427 fd6_pipe2swiz(unsigned swiz)
 428 {
 429         switch (swiz) {
 430         default:
 431         case PIPE_SWIZZLE_X: return A6XX_TEX_X;
 432         case PIPE_SWIZZLE_Y: return A6XX_TEX_Y;
 433         case PIPE_SWIZZLE_Z: return A6XX_TEX_Z;
 434         case PIPE_SWIZZLE_W: return A6XX_TEX_W;
 435         case PIPE_SWIZZLE_0: return A6XX_TEX_ZERO;
 436         case PIPE_SWIZZLE_1: return A6XX_TEX_ONE;
 437         }
 438 }
 439
 440 void
 441 fd6_tex_swiz(enum pipe_format format, unsigned char *swiz,
 442                          unsigned swizzle_r, unsigned swizzle_g,
 443                          unsigned swizzle_b, unsigned swizzle_a)
 444 {
 445         const struct util_format_description *desc =
 446                         util_format_description(format);
 447         const unsigned char uswiz[4] = {
 448                 swizzle_r, swizzle_g, swizzle_b, swizzle_a
 449         };
 450
 451         /* Gallium expects stencil sampler to return (s,s,s,s), so massage
 452          * the swizzle to do so.
 453          */
 454         if (format == PIPE_FORMAT_X24S8_UINT) {
 455                 const unsigned char stencil_swiz[4] = {
 456                         PIPE_SWIZZLE_W, PIPE_SWIZZLE_W, PIPE_SWIZZLE_W, PIPE_SWIZZLE_W
 457                 };
 458                 util_format_compose_swizzles(stencil_swiz, uswiz, swiz);
 459         } else if (fd6_pipe2swap(format) != WZYX) {
 460                 /* Formats with a non-pass-through swap are permutations of RGBA
 461                  * formats. We program the permutation using the swap and don't
 462                  * need to compose the format swizzle with the user swizzle.
 463                  */
 464                 memcpy(swiz, uswiz, sizeof(uswiz));
 465         } else {
 466                 /* Otherwise, it's an unswapped RGBA format or a format like L8 where
 467                  * we need the XXX1 swizzle from the gallium format description.
 468                  */
 469                 util_format_compose_swizzles(desc->swizzle, uswiz, swiz);
 470         }
 471 }
 472
 473 /* Compute the TEX_CONST_0 value for texture state, including SWIZ/SWAP/etc: */
 474 uint32_t
 475 fd6_tex_const_0(struct pipe_resource *prsc,
 476                          unsigned level, enum pipe_format format,
 477                          unsigned swizzle_r, unsigned swizzle_g,
 478                          unsigned swizzle_b, unsigned swizzle_a)
 479 {
 480         struct fd_resource *rsc = fd_resource(prsc);
 481         uint32_t swap, texconst0 = 0;
 482         unsigned char swiz[4];
 483
 484         if (util_format_is_srgb(format)) {
 485                 texconst0 |= A6XX_TEX_CONST_0_SRGB;
 486         }
 487
 488         if (rsc->tile_mode && !fd_resource_level_linear(prsc, level)) {
 489                 texconst0 |= A6XX_TEX_CONST_0_TILE_MODE(rsc->tile_mode);
 490                 swap = WZYX;
 491         } else {
 492                 swap = fd6_pipe2swap(format);
 493         }
 494
 495         fd6_tex_swiz(format, swiz,
 496                         swizzle_r, swizzle_g,
 497                         swizzle_b, swizzle_a);
 498
 499         texconst0 |=
 500                 A6XX_TEX_CONST_0_FMT(fd6_pipe2tex(format)) |
 501                 A6XX_TEX_CONST_0_SAMPLES(fd_msaa_samples(prsc->nr_samples)) |
 502                 A6XX_TEX_CONST_0_SWAP(swap) |
 503                 A6XX_TEX_CONST_0_SWIZ_X(fd6_pipe2swiz(swiz[0])) |
 504                 A6XX_TEX_CONST_0_SWIZ_Y(fd6_pipe2swiz(swiz[1])) |
 505                 A6XX_TEX_CONST_0_SWIZ_Z(fd6_pipe2swiz(swiz[2])) |
 506                 A6XX_TEX_CONST_0_SWIZ_W(fd6_pipe2swiz(swiz[3]));
 507
 508         return texconst0;
 509 }