src/gallium/drivers/freedreno/a2xx/fd2_util.c

   1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
   2
   3 /*
   4  * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the next
  14  * paragraph) shall be included in all copies or substantial portions of the
  15  * Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23  * SOFTWARE.
  24  *
  25  * Authors:
  26  *    Rob Clark <robclark@freedesktop.org>
  27  */
  28
  29 #include "pipe/p_defines.h"
  30 #include "util/u_format.h"
  31
  32 #include "fd2_util.h"
  33
  34 enum a2xx_sq_surfaceformat
  35 fd2_pipe2surface(enum pipe_format format)
  36 {
  37         switch (format) {
  38         /* 8-bit buffers. */
  39         case PIPE_FORMAT_A8_UNORM:
  40         case PIPE_FORMAT_A8_SNORM:
  41         case PIPE_FORMAT_A8_UINT:
  42         case PIPE_FORMAT_A8_SINT:
  43         case PIPE_FORMAT_I8_UNORM:
  44         case PIPE_FORMAT_I8_SNORM:
  45         case PIPE_FORMAT_I8_UINT:
  46         case PIPE_FORMAT_I8_SINT:
  47         case PIPE_FORMAT_L8_UNORM:
  48         case PIPE_FORMAT_L8_SNORM:
  49         case PIPE_FORMAT_L8_UINT:
  50         case PIPE_FORMAT_L8_SINT:
  51         case PIPE_FORMAT_L8_SRGB:
  52         case PIPE_FORMAT_R8_UNORM:
  53         case PIPE_FORMAT_R8_SNORM:
  54         case PIPE_FORMAT_R8_UINT:
  55         case PIPE_FORMAT_R8_SINT:
  56                 return FMT_8;
  57
  58         /* 16-bit buffers. */
  59         case PIPE_FORMAT_B5G6R5_UNORM:
  60                 return FMT_5_6_5;
  61         case PIPE_FORMAT_B5G5R5A1_UNORM:
  62         case PIPE_FORMAT_B5G5R5X1_UNORM:
  63                 return FMT_1_5_5_5;
  64         case PIPE_FORMAT_B4G4R4A4_UNORM:
  65         case PIPE_FORMAT_B4G4R4X4_UNORM:
  66                 return FMT_4_4_4_4;
  67         case PIPE_FORMAT_Z16_UNORM:
  68                 return FMT_16;
  69         case PIPE_FORMAT_L8A8_UNORM:
  70         case PIPE_FORMAT_L8A8_SNORM:
  71         case PIPE_FORMAT_L8A8_UINT:
  72         case PIPE_FORMAT_L8A8_SINT:
  73         case PIPE_FORMAT_L8A8_SRGB:
  74         case PIPE_FORMAT_R8G8_UNORM:
  75         case PIPE_FORMAT_R8G8_SNORM:
  76         case PIPE_FORMAT_R8G8_UINT:
  77         case PIPE_FORMAT_R8G8_SINT:
  78                 return FMT_8_8;
  79         case PIPE_FORMAT_R16_UNORM:
  80         case PIPE_FORMAT_R16_SNORM:
  81         case PIPE_FORMAT_R16_UINT:
  82         case PIPE_FORMAT_R16_SINT:
  83         case PIPE_FORMAT_A16_UNORM:
  84         case PIPE_FORMAT_A16_SNORM:
  85         case PIPE_FORMAT_A16_UINT:
  86         case PIPE_FORMAT_A16_SINT:
  87         case PIPE_FORMAT_L16_UNORM:
  88         case PIPE_FORMAT_L16_SNORM:
  89         case PIPE_FORMAT_L16_UINT:
  90         case PIPE_FORMAT_L16_SINT:
  91         case PIPE_FORMAT_I16_UNORM:
  92         case PIPE_FORMAT_I16_SNORM:
  93         case PIPE_FORMAT_I16_UINT:
  94         case PIPE_FORMAT_I16_SINT:
  95                 return FMT_16;
  96         case PIPE_FORMAT_R16_FLOAT:
  97         case PIPE_FORMAT_A16_FLOAT:
  98         case PIPE_FORMAT_L16_FLOAT:
  99         case PIPE_FORMAT_I16_FLOAT:
 100                 return FMT_16_FLOAT;
 101
 102         /* 32-bit buffers. */
 103         case PIPE_FORMAT_A8B8G8R8_SRGB:
 104         case PIPE_FORMAT_A8B8G8R8_UNORM:
 105         case PIPE_FORMAT_A8R8G8B8_UNORM:
 106         case PIPE_FORMAT_B8G8R8A8_SRGB:
 107         case PIPE_FORMAT_B8G8R8A8_UNORM:
 108         case PIPE_FORMAT_B8G8R8X8_UNORM:
 109         case PIPE_FORMAT_R8G8B8A8_SNORM:
 110         case PIPE_FORMAT_R8G8B8A8_UNORM:
 111         case PIPE_FORMAT_R8G8B8X8_UNORM:
 112         case PIPE_FORMAT_R8SG8SB8UX8U_NORM:
 113         case PIPE_FORMAT_X8B8G8R8_UNORM:
 114         case PIPE_FORMAT_X8R8G8B8_UNORM:
 115         case PIPE_FORMAT_R8G8B8_UNORM:
 116         case PIPE_FORMAT_R8G8B8A8_SINT:
 117         case PIPE_FORMAT_R8G8B8A8_UINT:
 118                 return FMT_8_8_8_8;
 119         case PIPE_FORMAT_R10G10B10A2_UNORM:
 120         case PIPE_FORMAT_R10G10B10X2_SNORM:
 121         case PIPE_FORMAT_B10G10R10A2_UNORM:
 122         case PIPE_FORMAT_B10G10R10A2_UINT:
 123         case PIPE_FORMAT_R10SG10SB10SA2U_NORM:
 124                 return FMT_2_10_10_10;
 125         case PIPE_FORMAT_Z24X8_UNORM:
 126         case PIPE_FORMAT_Z24_UNORM_S8_UINT:
 127                 return FMT_24_8;
 128         case PIPE_FORMAT_R32_UINT:
 129         case PIPE_FORMAT_R32_SINT:
 130         case PIPE_FORMAT_A32_UINT:
 131         case PIPE_FORMAT_A32_SINT:
 132         case PIPE_FORMAT_L32_UINT:
 133         case PIPE_FORMAT_L32_SINT:
 134         case PIPE_FORMAT_I32_UINT:
 135         case PIPE_FORMAT_I32_SINT:
 136                 return FMT_32;
 137         case PIPE_FORMAT_R32_FLOAT:
 138         case PIPE_FORMAT_A32_FLOAT:
 139         case PIPE_FORMAT_L32_FLOAT:
 140         case PIPE_FORMAT_I32_FLOAT:
 141         case PIPE_FORMAT_Z32_FLOAT:
 142                 return FMT_32_FLOAT;
 143         case PIPE_FORMAT_R16G16_FLOAT:
 144         case PIPE_FORMAT_L16A16_FLOAT:
 145                 return FMT_16_16_FLOAT;
 146         case PIPE_FORMAT_R16G16_UNORM:
 147         case PIPE_FORMAT_R16G16_SNORM:
 148         case PIPE_FORMAT_R16G16_UINT:
 149         case PIPE_FORMAT_R16G16_SINT:
 150         case PIPE_FORMAT_L16A16_UNORM:
 151         case PIPE_FORMAT_L16A16_SNORM:
 152         case PIPE_FORMAT_L16A16_UINT:
 153         case PIPE_FORMAT_L16A16_SINT:
 154                 return FMT_16_16;
 155
 156         /* 64-bit buffers. */
 157         case PIPE_FORMAT_R16G16B16A16_UINT:
 158         case PIPE_FORMAT_R16G16B16A16_SINT:
 159         case PIPE_FORMAT_R16G16B16A16_UNORM:
 160         case PIPE_FORMAT_R16G16B16A16_SNORM:
 161                 return FMT_16_16_16_16;
 162         case PIPE_FORMAT_R16G16B16A16_FLOAT:
 163                 return FMT_16_16_16_16_FLOAT;
 164         case PIPE_FORMAT_R32G32_FLOAT:
 165         case PIPE_FORMAT_L32A32_FLOAT:
 166                 return FMT_32_32_FLOAT;
 167         case PIPE_FORMAT_R32G32_SINT:
 168         case PIPE_FORMAT_R32G32_UINT:
 169         case PIPE_FORMAT_L32A32_UINT:
 170         case PIPE_FORMAT_L32A32_SINT:
 171                 return FMT_32_32;
 172
 173         /* 96-bit buffers. */
 174         case PIPE_FORMAT_R32G32B32_FLOAT:
 175                 return FMT_32_32_32_FLOAT;
 176
 177         /* 128-bit buffers. */
 178         case PIPE_FORMAT_R32G32B32A32_SNORM:
 179         case PIPE_FORMAT_R32G32B32A32_UNORM:
 180         case PIPE_FORMAT_R32G32B32A32_SINT:
 181         case PIPE_FORMAT_R32G32B32A32_UINT:
 182                 return FMT_32_32_32_32;
 183         case PIPE_FORMAT_R32G32B32A32_FLOAT:
 184                 return FMT_32_32_32_32_FLOAT;
 185
 186         /* YUV buffers. */
 187         case PIPE_FORMAT_UYVY:
 188                 return FMT_Cr_Y1_Cb_Y0;
 189         case PIPE_FORMAT_YUYV:
 190                 return FMT_Y1_Cr_Y0_Cb;
 191
 192         default:
 193                 return ~0;
 194         }
 195 }
 196
 197 enum a2xx_colorformatx
 198 fd2_pipe2color(enum pipe_format format)
 199 {
 200         switch (format) {
 201         /* 8-bit buffers. */
 202         case PIPE_FORMAT_A8_UNORM:
 203         case PIPE_FORMAT_A8_SNORM:
 204         case PIPE_FORMAT_A8_UINT:
 205         case PIPE_FORMAT_A8_SINT:
 206         case PIPE_FORMAT_I8_UNORM:
 207         case PIPE_FORMAT_I8_SNORM:
 208         case PIPE_FORMAT_I8_UINT:
 209         case PIPE_FORMAT_I8_SINT:
 210         case PIPE_FORMAT_L8_UNORM:
 211         case PIPE_FORMAT_L8_SNORM:
 212         case PIPE_FORMAT_L8_UINT:
 213         case PIPE_FORMAT_L8_SINT:
 214         case PIPE_FORMAT_L8_SRGB:
 215         case PIPE_FORMAT_R8_UNORM:
 216         case PIPE_FORMAT_R8_SNORM:
 217         case PIPE_FORMAT_R8_UINT:
 218         case PIPE_FORMAT_R8_SINT:
 219                 return COLORX_8;
 220
 221         /* 16-bit buffers. */
 222         case PIPE_FORMAT_B5G6R5_UNORM:
 223                 return COLORX_5_6_5;
 224         case PIPE_FORMAT_B5G5R5A1_UNORM:
 225         case PIPE_FORMAT_B5G5R5X1_UNORM:
 226                 return COLORX_1_5_5_5;
 227         case PIPE_FORMAT_B4G4R4A4_UNORM:
 228         case PIPE_FORMAT_B4G4R4X4_UNORM:
 229                 return COLORX_4_4_4_4;
 230         case PIPE_FORMAT_L8A8_UNORM:
 231         case PIPE_FORMAT_L8A8_SNORM:
 232         case PIPE_FORMAT_L8A8_UINT:
 233         case PIPE_FORMAT_L8A8_SINT:
 234         case PIPE_FORMAT_L8A8_SRGB:
 235         case PIPE_FORMAT_R8G8_UNORM:
 236         case PIPE_FORMAT_R8G8_SNORM:
 237         case PIPE_FORMAT_R8G8_UINT:
 238         case PIPE_FORMAT_R8G8_SINT:
 239         case PIPE_FORMAT_Z16_UNORM:
 240                 return COLORX_8_8;
 241         case PIPE_FORMAT_R16_FLOAT:
 242         case PIPE_FORMAT_A16_FLOAT:
 243         case PIPE_FORMAT_L16_FLOAT:
 244         case PIPE_FORMAT_I16_FLOAT:
 245                 return COLORX_16_FLOAT;
 246
 247         /* 32-bit buffers. */
 248         case PIPE_FORMAT_A8B8G8R8_SRGB:
 249         case PIPE_FORMAT_A8B8G8R8_UNORM:
 250         case PIPE_FORMAT_A8R8G8B8_UNORM:
 251         case PIPE_FORMAT_B8G8R8A8_SRGB:
 252         case PIPE_FORMAT_B8G8R8A8_UNORM:
 253         case PIPE_FORMAT_B8G8R8X8_UNORM:
 254         case PIPE_FORMAT_R8G8B8A8_SNORM:
 255         case PIPE_FORMAT_R8G8B8A8_UNORM:
 256         case PIPE_FORMAT_R8G8B8X8_UNORM:
 257         case PIPE_FORMAT_R8SG8SB8UX8U_NORM:
 258         case PIPE_FORMAT_X8B8G8R8_UNORM:
 259         case PIPE_FORMAT_X8R8G8B8_UNORM:
 260         case PIPE_FORMAT_R8G8B8_UNORM:
 261         case PIPE_FORMAT_R8G8B8A8_SINT:
 262         case PIPE_FORMAT_R8G8B8A8_UINT:
 263         case PIPE_FORMAT_Z24_UNORM_S8_UINT:
 264         case PIPE_FORMAT_Z24X8_UNORM:
 265                 return COLORX_8_8_8_8;
 266         case PIPE_FORMAT_R32_FLOAT:
 267         case PIPE_FORMAT_A32_FLOAT:
 268         case PIPE_FORMAT_L32_FLOAT:
 269         case PIPE_FORMAT_I32_FLOAT:
 270         case PIPE_FORMAT_Z32_FLOAT:
 271                 return COLORX_32_FLOAT;
 272         case PIPE_FORMAT_R16G16_FLOAT:
 273         case PIPE_FORMAT_L16A16_FLOAT:
 274                 return COLORX_16_16_FLOAT;
 275
 276         /* 64-bit buffers. */
 277         case PIPE_FORMAT_R16G16B16A16_FLOAT:
 278                 return COLORX_16_16_16_16_FLOAT;
 279         case PIPE_FORMAT_R32G32_FLOAT:
 280         case PIPE_FORMAT_L32A32_FLOAT:
 281                 return COLORX_32_32_FLOAT;
 282
 283         /* 128-bit buffers. */
 284         case PIPE_FORMAT_R32G32B32A32_FLOAT:
 285                 return COLORX_32_32_32_32_FLOAT;
 286
 287         default:
 288                 return ~0;
 289         }
 290 }
 291
 292 static inline enum sq_tex_swiz
 293 tex_swiz(unsigned swiz)
 294 {
 295         switch (swiz) {
 296         default:
 297         case PIPE_SWIZZLE_RED:   return SQ_TEX_X;
 298         case PIPE_SWIZZLE_GREEN: return SQ_TEX_Y;
 299         case PIPE_SWIZZLE_BLUE:  return SQ_TEX_Z;
 300         case PIPE_SWIZZLE_ALPHA: return SQ_TEX_W;
 301         case PIPE_SWIZZLE_ZERO:  return SQ_TEX_ZERO;
 302         case PIPE_SWIZZLE_ONE:   return SQ_TEX_ONE;
 303         }
 304 }
 305
 306 uint32_t
 307 fd2_tex_swiz(enum pipe_format format, unsigned swizzle_r, unsigned swizzle_g,
 308                 unsigned swizzle_b, unsigned swizzle_a)
 309 {
 310         const struct util_format_description *desc =
 311                         util_format_description(format);
 312         uint8_t swiz[] = {
 313                         swizzle_r, swizzle_g, swizzle_b, swizzle_a,
 314                         PIPE_SWIZZLE_ZERO, PIPE_SWIZZLE_ONE,
 315                         PIPE_SWIZZLE_ONE, PIPE_SWIZZLE_ONE,
 316         };
 317
 318         return A2XX_SQ_TEX_3_SWIZ_X(tex_swiz(swiz[desc->swizzle[0]])) |
 319                         A2XX_SQ_TEX_3_SWIZ_Y(tex_swiz(swiz[desc->swizzle[1]])) |
 320                         A2XX_SQ_TEX_3_SWIZ_Z(tex_swiz(swiz[desc->swizzle[2]])) |
 321                         A2XX_SQ_TEX_3_SWIZ_W(tex_swiz(swiz[desc->swizzle[3]]));
 322 }