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/u_format.h"
  30
  31 #include "fd6_format.h"
  32
  33
  34 /* Specifies the table of all the formats and their features. Also supplies
  35  * the helpers that look up various data in those tables.
  36  */
  37
  38 struct fd6_format {
  39         enum a6xx_vtx_fmt vtx;
  40         enum a6xx_tex_fmt tex;
  41         enum a6xx_color_fmt rb;
  42         enum a3xx_color_swap swap;
  43         boolean present;
  44 };
  45
  46 #define RB6_NONE ~0
  47
  48 /* vertex + texture */
  49 #define VT(pipe, fmt, rbfmt, swapfmt) \
  50         [PIPE_FORMAT_ ## pipe] = { \
  51                 .present = 1, \
  52                 .vtx = VFMT6_ ## fmt, \
  53                 .tex = TFMT6_ ## fmt, \
  54                 .rb = RB6_ ## rbfmt, \
  55                 .swap = swapfmt \
  56         }
  57
  58 /* texture-only */
  59 #define _T(pipe, fmt, rbfmt, swapfmt) \
  60         [PIPE_FORMAT_ ## pipe] = { \
  61                 .present = 1, \
  62                 .vtx = ~0, \
  63                 .tex = TFMT6_ ## fmt, \
  64                 .rb = RB6_ ## rbfmt, \
  65                 .swap = swapfmt \
  66         }
  67
  68 /* vertex-only */
  69 #define V_(pipe, fmt, rbfmt, swapfmt) \
  70         [PIPE_FORMAT_ ## pipe] = { \
  71                 .present = 1, \
  72                 .vtx = VFMT6_ ## fmt, \
  73                 .tex = ~0, \
  74                 .rb = RB6_ ## rbfmt, \
  75                 .swap = swapfmt \
  76         }
  77
  78 static struct fd6_format formats[PIPE_FORMAT_COUNT] = {
  79         /* for blitting, treat PIPE_FORMAT_NONE as 8bit R8: */
  80         _T(R8_UINT,    8_UINT,  R8_UINT,  WZYX),
  81
  82         /* 8-bit */
  83         VT(R8_UNORM,   8_UNORM, R8_UNORM, WZYX),
  84         VT(R8_SNORM,   8_SNORM, R8_SNORM, WZYX),
  85         VT(R8_UINT,    8_UINT,  R8_UINT,  WZYX),
  86         VT(R8_SINT,    8_SINT,  R8_SINT,  WZYX),
  87         V_(R8_USCALED, 8_UINT,  NONE,     WZYX),
  88         V_(R8_SSCALED, 8_UINT,  NONE,     WZYX),
  89
  90         _T(A8_UNORM,   8_UNORM, A8_UNORM, WZYX),
  91         _T(L8_UNORM,   8_UNORM, R8_UNORM, WZYX),
  92         _T(I8_UNORM,   8_UNORM, NONE,     WZYX),
  93
  94         _T(A8_UINT,    8_UINT,  NONE,     WZYX),
  95         _T(A8_SINT,    8_SINT,  NONE,     WZYX),
  96         _T(L8_UINT,    8_UINT,  NONE,     WZYX),
  97         _T(L8_SINT,    8_SINT,  NONE,     WZYX),
  98         _T(I8_UINT,    8_UINT,  NONE,     WZYX),
  99         _T(I8_SINT,    8_SINT,  NONE,     WZYX),
 100
 101         _T(S8_UINT,    8_UINT,  R8_UNORM, WZYX),
 102
 103         /* 16-bit */
 104         VT(R16_UNORM,   16_UNORM, R16_UNORM, WZYX),
 105         VT(R16_SNORM,   16_SNORM, R16_SNORM, WZYX),
 106         VT(R16_UINT,    16_UINT,  R16_UINT,  WZYX),
 107         VT(R16_SINT,    16_SINT,  R16_SINT,  WZYX),
 108         V_(R16_USCALED, 16_UINT,  NONE,      WZYX),
 109         V_(R16_SSCALED, 16_UINT,  NONE,      WZYX),
 110         VT(R16_FLOAT,   16_FLOAT, R16_FLOAT, WZYX),
 111         _T(Z16_UNORM,   16_UNORM, R16_UNORM, WZYX),
 112
 113         _T(A16_UNORM,   16_UNORM, NONE,      WZYX),
 114         _T(A16_SNORM,   16_SNORM, NONE,      WZYX),
 115         _T(A16_UINT,    16_UINT,  NONE,      WZYX),
 116         _T(A16_SINT,    16_SINT,  NONE,      WZYX),
 117         _T(L16_UNORM,   16_UNORM, NONE,      WZYX),
 118         _T(L16_SNORM,   16_SNORM, NONE,      WZYX),
 119         _T(L16_UINT,    16_UINT,  NONE,      WZYX),
 120         _T(L16_SINT,    16_SINT,  NONE,      WZYX),
 121         _T(I16_UNORM,   16_UNORM, NONE,      WZYX),
 122         _T(I16_SNORM,   16_SNORM, NONE,      WZYX),
 123         _T(I16_UINT,    16_UINT,  NONE,      WZYX),
 124         _T(I16_SINT,    16_SINT,  NONE,      WZYX),
 125
 126         VT(R8G8_UNORM,   8_8_UNORM, R8G8_UNORM, WZYX),
 127         VT(R8G8_SNORM,   8_8_SNORM, R8G8_SNORM, WZYX),
 128         VT(R8G8_UINT,    8_8_UINT,  R8G8_UINT,  WZYX),
 129         VT(R8G8_SINT,    8_8_SINT,  R8G8_SINT,  WZYX),
 130         V_(R8G8_USCALED, 8_8_UINT,  NONE,       WZYX),
 131         V_(R8G8_SSCALED, 8_8_SINT,  NONE,       WZYX),
 132
 133         _T(L8A8_UINT,    8_8_UINT,  NONE,       WZYX),
 134         _T(L8A8_SINT,    8_8_SINT,  NONE,       WZYX),
 135
 136         _T(B5G6R5_UNORM,   5_6_5_UNORM,   R5G6B5_UNORM,   WXYZ),
 137         _T(B5G5R5A1_UNORM, 5_5_5_1_UNORM, R5G5B5A1_UNORM, WXYZ),
 138         _T(B5G5R5X1_UNORM, 5_5_5_1_UNORM, R5G5B5A1_UNORM, WXYZ),
 139         _T(B4G4R4A4_UNORM, 4_4_4_4_UNORM, R4G4B4A4_UNORM, WXYZ),
 140
 141         /* 24-bit */
 142         V_(R8G8B8_UNORM,   8_8_8_UNORM, NONE, WZYX),
 143         V_(R8G8B8_SNORM,   8_8_8_SNORM, NONE, WZYX),
 144         V_(R8G8B8_UINT,    8_8_8_UINT,  NONE, WZYX),
 145         V_(R8G8B8_SINT,    8_8_8_SINT,  NONE, WZYX),
 146         V_(R8G8B8_USCALED, 8_8_8_UINT,  NONE, WZYX),
 147         V_(R8G8B8_SSCALED, 8_8_8_SINT,  NONE, WZYX),
 148
 149         /* 32-bit */
 150         VT(R32_UINT,    32_UINT,  R32_UINT, WZYX),
 151         VT(R32_SINT,    32_SINT,  R32_SINT, WZYX),
 152         V_(R32_USCALED, 32_UINT,  NONE,     WZYX),
 153         V_(R32_SSCALED, 32_UINT,  NONE,     WZYX),
 154         VT(R32_FLOAT,   32_FLOAT, R32_FLOAT,WZYX),
 155         V_(R32_FIXED,   32_FIXED, NONE,     WZYX),
 156
 157         _T(A32_UINT,    32_UINT,  NONE,     WZYX),
 158         _T(A32_SINT,    32_SINT,  NONE,     WZYX),
 159         _T(L32_UINT,    32_UINT,  NONE,     WZYX),
 160         _T(L32_SINT,    32_SINT,  NONE,     WZYX),
 161         _T(I32_UINT,    32_UINT,  NONE,     WZYX),
 162         _T(I32_SINT,    32_SINT,  NONE,     WZYX),
 163
 164         VT(R16G16_UNORM,   16_16_UNORM, R16G16_UNORM, WZYX),
 165         VT(R16G16_SNORM,   16_16_SNORM, R16G16_SNORM, WZYX),
 166         VT(R16G16_UINT,    16_16_UINT,  R16G16_UINT,  WZYX),
 167         VT(R16G16_SINT,    16_16_SINT,  R16G16_SINT,  WZYX),
 168         VT(R16G16_USCALED, 16_16_UINT,  NONE,         WZYX),
 169         VT(R16G16_SSCALED, 16_16_SINT,  NONE,         WZYX),
 170         VT(R16G16_FLOAT,   16_16_FLOAT, R16G16_FLOAT, WZYX),
 171
 172         _T(L16A16_UNORM,   16_16_UNORM, NONE,         WZYX),
 173         _T(L16A16_SNORM,   16_16_SNORM, NONE,         WZYX),
 174         _T(L16A16_UINT,    16_16_UINT,  NONE,         WZYX),
 175         _T(L16A16_SINT,    16_16_SINT,  NONE,         WZYX),
 176
 177         VT(R8G8B8A8_UNORM,   8_8_8_8_UNORM, R8G8B8A8_UNORM, WZYX),
 178         _T(R8G8B8X8_UNORM,   8_8_8_8_UNORM, R8G8B8A8_UNORM, WZYX),
 179         _T(R8G8B8A8_SRGB,    8_8_8_8_UNORM, R8G8B8A8_UNORM, WZYX),
 180         _T(R8G8B8X8_SRGB,    8_8_8_8_UNORM, R8G8B8A8_UNORM, WZYX),
 181         VT(R8G8B8A8_SNORM,   8_8_8_8_SNORM, R8G8B8A8_SNORM, WZYX),
 182         VT(R8G8B8A8_UINT,    8_8_8_8_UINT,  R8G8B8A8_UINT,  WZYX),
 183         VT(R8G8B8A8_SINT,    8_8_8_8_SINT,  R8G8B8A8_SINT,  WZYX),
 184         V_(R8G8B8A8_USCALED, 8_8_8_8_UINT,  NONE,           WZYX),
 185         V_(R8G8B8A8_SSCALED, 8_8_8_8_SINT,  NONE,           WZYX),
 186
 187         VT(B8G8R8A8_UNORM,   8_8_8_8_UNORM, R8G8B8A8_UNORM, WXYZ),
 188         _T(B8G8R8X8_UNORM,   8_8_8_8_UNORM, R8G8B8A8_UNORM, WXYZ),
 189         VT(B8G8R8A8_SRGB,    8_8_8_8_UNORM, R8G8B8A8_UNORM, WXYZ),
 190         _T(B8G8R8X8_SRGB,    8_8_8_8_UNORM, R8G8B8A8_UNORM, WXYZ),
 191
 192         VT(A8B8G8R8_UNORM,   8_8_8_8_UNORM, R8G8B8A8_UNORM, XYZW),
 193         _T(X8B8G8R8_UNORM,   8_8_8_8_UNORM, R8G8B8A8_UNORM, XYZW),
 194         _T(A8B8G8R8_SRGB,    8_8_8_8_UNORM, R8G8B8A8_UNORM, XYZW),
 195         _T(X8B8G8R8_SRGB,    8_8_8_8_UNORM, R8G8B8A8_UNORM, XYZW),
 196
 197         VT(A8R8G8B8_UNORM,   8_8_8_8_UNORM, R8G8B8A8_UNORM, ZYXW),
 198         _T(X8R8G8B8_UNORM,   8_8_8_8_UNORM, R8G8B8A8_UNORM, ZYXW),
 199         _T(A8R8G8B8_SRGB,    8_8_8_8_UNORM, R8G8B8A8_UNORM, ZYXW),
 200         _T(X8R8G8B8_SRGB,    8_8_8_8_UNORM, R8G8B8A8_UNORM, ZYXW),
 201
 202         VT(R10G10B10A2_UNORM,   10_10_10_2_UNORM, R10G10B10A2_UNORM, WZYX),
 203         VT(B10G10R10A2_UNORM,   10_10_10_2_UNORM, R10G10B10A2_UNORM, WXYZ),
 204         _T(B10G10R10X2_UNORM,   10_10_10_2_UNORM, R10G10B10A2_UNORM, WXYZ),
 205         V_(R10G10B10A2_SNORM,   10_10_10_2_SNORM, NONE,              WZYX),
 206         V_(B10G10R10A2_SNORM,   10_10_10_2_SNORM, NONE,              WXYZ),
 207         VT(R10G10B10A2_UINT,    10_10_10_2_UINT,  R10G10B10A2_UINT,  WZYX),
 208         VT(B10G10R10A2_UINT,    10_10_10_2_UINT,  R10G10B10A2_UINT,  WXYZ),
 209         V_(R10G10B10A2_USCALED, 10_10_10_2_UINT,  NONE,              WZYX),
 210         V_(B10G10R10A2_USCALED, 10_10_10_2_UINT,  NONE,              WXYZ),
 211         V_(R10G10B10A2_SSCALED, 10_10_10_2_SINT,  NONE,              WZYX),
 212         V_(B10G10R10A2_SSCALED, 10_10_10_2_SINT,  NONE,              WXYZ),
 213
 214         VT(R11G11B10_FLOAT, 11_11_10_FLOAT, R11G11B10_FLOAT, WZYX),
 215         _T(R9G9B9E5_FLOAT,  9_9_9_E5_FLOAT, NONE,            WZYX),
 216
 217         _T(Z24X8_UNORM,       X8Z24_UNORM,  X8Z24_UNORM,   WZYX),
 218         _T(X24S8_UINT,        8_8_8_8_UINT, X8Z24_UNORM,   XYZW),  // XXX
 219         _T(Z24_UNORM_S8_UINT, X8Z24_UNORM,  X8Z24_UNORM,   WZYX),
 220         _T(Z32_FLOAT,         32_FLOAT,     R32_FLOAT,     WZYX),
 221         _T(Z32_FLOAT_S8X24_UINT, 32_FLOAT,  R32_FLOAT,     WZYX),
 222         _T(X32_S8X24_UINT,    8_UINT,      R8_UINT,        WZYX),
 223
 224         /* 48-bit */
 225         V_(R16G16B16_UNORM,   16_16_16_UNORM, NONE, WZYX),
 226         V_(R16G16B16_SNORM,   16_16_16_SNORM, NONE, WZYX),
 227         V_(R16G16B16_UINT,    16_16_16_UINT,  NONE, WZYX),
 228         V_(R16G16B16_SINT,    16_16_16_SINT,  NONE, WZYX),
 229         V_(R16G16B16_USCALED, 16_16_16_UINT,  NONE, WZYX),
 230         V_(R16G16B16_SSCALED, 16_16_16_SINT,  NONE, WZYX),
 231         V_(R16G16B16_FLOAT,   16_16_16_FLOAT, NONE, WZYX),
 232
 233         /* 64-bit */
 234         VT(R16G16B16A16_UNORM,   16_16_16_16_UNORM, R16G16B16A16_UNORM, WZYX),
 235         VT(R16G16B16X16_UNORM,   16_16_16_16_UNORM, R16G16B16A16_UNORM, WZYX),
 236         VT(R16G16B16A16_SNORM,   16_16_16_16_SNORM, R16G16B16A16_SNORM, WZYX),
 237         VT(R16G16B16X16_SNORM,   16_16_16_16_SNORM, R16G16B16A16_SNORM, WZYX),
 238         VT(R16G16B16A16_UINT,    16_16_16_16_UINT,  R16G16B16A16_UINT,  WZYX),
 239         VT(R16G16B16X16_UINT,    16_16_16_16_UINT,  R16G16B16A16_UINT,  WZYX),
 240         VT(R16G16B16A16_SINT,    16_16_16_16_SINT,  R16G16B16A16_SINT,  WZYX),
 241         VT(R16G16B16X16_SINT,    16_16_16_16_SINT,  R16G16B16A16_SINT,  WZYX),
 242         VT(R16G16B16A16_USCALED, 16_16_16_16_UINT,  NONE,               WZYX),
 243         VT(R16G16B16A16_SSCALED, 16_16_16_16_SINT,  NONE,               WZYX),
 244         VT(R16G16B16A16_FLOAT,   16_16_16_16_FLOAT, R16G16B16A16_FLOAT, WZYX),
 245         VT(R16G16B16X16_FLOAT,   16_16_16_16_FLOAT, R16G16B16A16_FLOAT, WZYX),
 246
 247         VT(R32G32_UINT,    32_32_UINT,  R32G32_UINT, WZYX),
 248         VT(R32G32_SINT,    32_32_SINT,  R32G32_SINT, WZYX),
 249         V_(R32G32_USCALED, 32_32_UINT,  NONE,        WZYX),
 250         V_(R32G32_SSCALED, 32_32_SINT,  NONE,        WZYX),
 251         VT(R32G32_FLOAT,   32_32_FLOAT, R32G32_FLOAT,WZYX),
 252         V_(R32G32_FIXED,   32_32_FIXED, NONE,        WZYX),
 253
 254         _T(L32A32_UINT,    32_32_UINT,  NONE,        WZYX),
 255         _T(L32A32_SINT,    32_32_SINT,  NONE,        WZYX),
 256
 257         /* 96-bit */
 258         VT(R32G32B32_UINT,    32_32_32_UINT,  NONE, WZYX),
 259         VT(R32G32B32_SINT,    32_32_32_SINT,  NONE, WZYX),
 260         V_(R32G32B32_USCALED, 32_32_32_UINT,  NONE, WZYX),
 261         V_(R32G32B32_SSCALED, 32_32_32_SINT,  NONE, WZYX),
 262         VT(R32G32B32_FLOAT,   32_32_32_FLOAT, NONE, WZYX),
 263         V_(R32G32B32_FIXED,   32_32_32_FIXED, NONE, WZYX),
 264
 265         /* 128-bit */
 266         VT(R32G32B32A32_UINT,    32_32_32_32_UINT,  R32G32B32A32_UINT,  WZYX),
 267         _T(R32G32B32X32_UINT,    32_32_32_32_UINT,  R32G32B32A32_UINT,  WZYX),
 268         VT(R32G32B32A32_SINT,    32_32_32_32_SINT,  R32G32B32A32_SINT,  WZYX),
 269         _T(R32G32B32X32_SINT,    32_32_32_32_SINT,  R32G32B32A32_SINT,  WZYX),
 270         V_(R32G32B32A32_USCALED, 32_32_32_32_UINT,  NONE,               WZYX),
 271         V_(R32G32B32A32_SSCALED, 32_32_32_32_SINT,  NONE,               WZYX),
 272         VT(R32G32B32A32_FLOAT,   32_32_32_32_FLOAT, R32G32B32A32_FLOAT, WZYX),
 273         _T(R32G32B32X32_FLOAT,   32_32_32_32_FLOAT, R32G32B32A32_FLOAT, WZYX),
 274         V_(R32G32B32A32_FIXED,   32_32_32_32_FIXED, NONE,               WZYX),
 275
 276         /* compressed */
 277         _T(ETC1_RGB8, ETC1, NONE, WZYX),
 278         _T(ETC2_RGB8, ETC2_RGB8, NONE, WZYX),
 279         _T(ETC2_SRGB8, ETC2_RGB8, NONE, WZYX),
 280         _T(ETC2_RGB8A1, ETC2_RGB8A1, NONE, WZYX),
 281         _T(ETC2_SRGB8A1, ETC2_RGB8A1, NONE, WZYX),
 282         _T(ETC2_RGBA8, ETC2_RGBA8, NONE, WZYX),
 283         _T(ETC2_SRGBA8, ETC2_RGBA8, NONE, WZYX),
 284         _T(ETC2_R11_UNORM, ETC2_R11_UNORM, NONE, WZYX),
 285         _T(ETC2_R11_SNORM, ETC2_R11_SNORM, NONE, WZYX),
 286         _T(ETC2_RG11_UNORM, ETC2_RG11_UNORM, NONE, WZYX),
 287         _T(ETC2_RG11_SNORM, ETC2_RG11_SNORM, NONE, WZYX),
 288
 289         _T(DXT1_RGB,   DXT1, NONE, WZYX),
 290         _T(DXT1_SRGB,  DXT1, NONE, WZYX),
 291         _T(DXT1_RGBA,  DXT1, NONE, WZYX),
 292         _T(DXT1_SRGBA, DXT1, NONE, WZYX),
 293         _T(DXT3_RGBA,  DXT3, NONE, WZYX),
 294         _T(DXT3_SRGBA, DXT3, NONE, WZYX),
 295         _T(DXT5_RGBA,  DXT5, NONE, WZYX),
 296         _T(DXT5_SRGBA, DXT5, NONE, WZYX),
 297
 298         _T(BPTC_RGBA_UNORM, BPTC,        NONE, WZYX),
 299         _T(BPTC_SRGBA,      BPTC,        NONE, WZYX),
 300         _T(BPTC_RGB_FLOAT,  BPTC_FLOAT,  NONE, WZYX),
 301         _T(BPTC_RGB_UFLOAT, BPTC_UFLOAT, NONE, WZYX),
 302
 303         _T(RGTC1_UNORM, RGTC1_UNORM, NONE, WZYX),
 304         _T(RGTC1_SNORM, RGTC1_SNORM, NONE, WZYX),
 305         _T(RGTC2_UNORM, RGTC2_UNORM, NONE, WZYX),
 306         _T(RGTC2_SNORM, RGTC2_SNORM, NONE, WZYX),
 307         _T(LATC1_UNORM, RGTC1_UNORM, NONE, WZYX),
 308         _T(LATC1_SNORM, RGTC1_SNORM, NONE, WZYX),
 309         _T(LATC2_UNORM, RGTC2_UNORM, NONE, WZYX),
 310         _T(LATC2_SNORM, RGTC2_SNORM, NONE, WZYX),
 311
 312         _T(ASTC_4x4,   ASTC_4x4,   NONE, WZYX),
 313         _T(ASTC_5x4,   ASTC_5x4,   NONE, WZYX),
 314         _T(ASTC_5x5,   ASTC_5x5,   NONE, WZYX),
 315         _T(ASTC_6x5,   ASTC_6x5,   NONE, WZYX),
 316         _T(ASTC_6x6,   ASTC_6x6,   NONE, WZYX),
 317         _T(ASTC_8x5,   ASTC_8x5,   NONE, WZYX),
 318         _T(ASTC_8x6,   ASTC_8x6,   NONE, WZYX),
 319         _T(ASTC_8x8,   ASTC_8x8,   NONE, WZYX),
 320         _T(ASTC_10x5,  ASTC_10x5,  NONE, WZYX),
 321         _T(ASTC_10x6,  ASTC_10x6,  NONE, WZYX),
 322         _T(ASTC_10x8,  ASTC_10x8,  NONE, WZYX),
 323         _T(ASTC_10x10, ASTC_10x10, NONE, WZYX),
 324         _T(ASTC_12x10, ASTC_12x10, NONE, WZYX),
 325         _T(ASTC_12x12, ASTC_12x12, NONE, WZYX),
 326
 327         _T(ASTC_4x4_SRGB,   ASTC_4x4,   NONE, WZYX),
 328         _T(ASTC_5x4_SRGB,   ASTC_5x4,   NONE, WZYX),
 329         _T(ASTC_5x5_SRGB,   ASTC_5x5,   NONE, WZYX),
 330         _T(ASTC_6x5_SRGB,   ASTC_6x5,   NONE, WZYX),
 331         _T(ASTC_6x6_SRGB,   ASTC_6x6,   NONE, WZYX),
 332         _T(ASTC_8x5_SRGB,   ASTC_8x5,   NONE, WZYX),
 333         _T(ASTC_8x6_SRGB,   ASTC_8x6,   NONE, WZYX),
 334         _T(ASTC_8x8_SRGB,   ASTC_8x8,   NONE, WZYX),
 335         _T(ASTC_10x5_SRGB,  ASTC_10x5,  NONE, WZYX),
 336         _T(ASTC_10x6_SRGB,  ASTC_10x6,  NONE, WZYX),
 337         _T(ASTC_10x8_SRGB,  ASTC_10x8,  NONE, WZYX),
 338         _T(ASTC_10x10_SRGB, ASTC_10x10, NONE, WZYX),
 339         _T(ASTC_12x10_SRGB, ASTC_12x10, NONE, WZYX),
 340         _T(ASTC_12x12_SRGB, ASTC_12x12, NONE, WZYX),
 341 };
 342
 343 /* convert pipe format to vertex buffer format: */
 344 enum a6xx_vtx_fmt
 345 fd6_pipe2vtx(enum pipe_format format)
 346 {
 347         if (!formats[format].present)
 348                 return ~0;
 349         return formats[format].vtx;
 350 }
 351
 352 /* convert pipe format to texture sampler format: */
 353 enum a6xx_tex_fmt
 354 fd6_pipe2tex(enum pipe_format format)
 355 {
 356         if (!formats[format].present)
 357                 return ~0;
 358         return formats[format].tex;
 359 }
 360
 361 /* convert pipe format to MRT / copydest format used for render-target: */
 362 enum a6xx_color_fmt
 363 fd6_pipe2color(enum pipe_format format)
 364 {
 365         if (!formats[format].present)
 366                 return ~0;
 367         return formats[format].rb;
 368 }
 369
 370 enum a3xx_color_swap
 371 fd6_pipe2swap(enum pipe_format format)
 372 {
 373         if (!formats[format].present)
 374                 return WZYX;
 375         return formats[format].swap;
 376 }
 377
 378 // XXX possibly same as a4xx..
 379 enum a6xx_tex_fetchsize
 380 fd6_pipe2fetchsize(enum pipe_format format)
 381 {
 382         if (format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT)
 383                 format = PIPE_FORMAT_Z32_FLOAT;
 384
 385         if (util_format_description(format)->layout == UTIL_FORMAT_LAYOUT_ASTC)
 386                 return TFETCH6_16_BYTE;
 387
 388         switch (util_format_get_blocksizebits(format) / util_format_get_blockwidth(format)) {
 389         case 8:   return TFETCH6_1_BYTE;
 390         case 16:  return TFETCH6_2_BYTE;
 391         case 32:  return TFETCH6_4_BYTE;
 392         case 64:  return TFETCH6_8_BYTE;
 393         case 96:  return TFETCH6_1_BYTE; /* Does this matter? */
 394         case 128: return TFETCH6_16_BYTE;
 395         default:
 396                 debug_printf("Unknown block size for format %s: %d\n",
 397                                 util_format_name(format),
 398                                 util_format_get_blocksizebits(format));
 399                 return TFETCH6_1_BYTE;
 400         }
 401 }
 402
 403 enum a6xx_depth_format
 404 fd6_pipe2depth(enum pipe_format format)
 405 {
 406         switch (format) {
 407         case PIPE_FORMAT_Z16_UNORM:
 408                 return DEPTH6_16;
 409         case PIPE_FORMAT_Z24X8_UNORM:
 410         case PIPE_FORMAT_Z24_UNORM_S8_UINT:
 411         case PIPE_FORMAT_X8Z24_UNORM:
 412         case PIPE_FORMAT_S8_UINT_Z24_UNORM:
 413                 return DEPTH6_24_8;
 414         case PIPE_FORMAT_Z32_FLOAT:
 415         case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
 416                 return DEPTH6_32;
 417         default:
 418                 return ~0;
 419         }
 420 }
 421
 422 static inline enum a6xx_tex_swiz
 423 tex_swiz(unsigned swiz)
 424 {
 425         switch (swiz) {
 426         default:
 427         case PIPE_SWIZZLE_X: return A6XX_TEX_X;
 428         case PIPE_SWIZZLE_Y: return A6XX_TEX_Y;
 429         case PIPE_SWIZZLE_Z: return A6XX_TEX_Z;
 430         case PIPE_SWIZZLE_W: return A6XX_TEX_W;
 431         case PIPE_SWIZZLE_0: return A6XX_TEX_ZERO;
 432         case PIPE_SWIZZLE_1: return A6XX_TEX_ONE;
 433         }
 434 }
 435
 436 uint32_t
 437 fd6_tex_swiz(enum pipe_format format, unsigned swizzle_r, unsigned swizzle_g,
 438                 unsigned swizzle_b, unsigned swizzle_a)
 439 {
 440         const struct util_format_description *desc =
 441                         util_format_description(format);
 442         unsigned char swiz[4] = {
 443                         swizzle_r, swizzle_g, swizzle_b, swizzle_a,
 444         }, rswiz[4];
 445
 446         util_format_compose_swizzles(desc->swizzle, swiz, rswiz);
 447
 448         return A6XX_TEX_CONST_0_SWIZ_X(tex_swiz(rswiz[0])) |
 449                         A6XX_TEX_CONST_0_SWIZ_Y(tex_swiz(rswiz[1])) |
 450                         A6XX_TEX_CONST_0_SWIZ_Z(tex_swiz(rswiz[2])) |
 451                         A6XX_TEX_CONST_0_SWIZ_W(tex_swiz(rswiz[3]));
 452 }