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

   1 /*
   2  * Copyright (C) 2012 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 "fd2_util.h"
  31
  32 enum a2xx_sq_surfaceformat
  33 fd2_pipe2surface(enum pipe_format format)
  34 {
  35         switch (format) {
  36         /* 8-bit buffers. */
  37         case PIPE_FORMAT_A8_UNORM:
  38         case PIPE_FORMAT_A8_SNORM:
  39         case PIPE_FORMAT_A8_UINT:
  40         case PIPE_FORMAT_A8_SINT:
  41         case PIPE_FORMAT_I8_UNORM:
  42         case PIPE_FORMAT_I8_SNORM:
  43         case PIPE_FORMAT_I8_UINT:
  44         case PIPE_FORMAT_I8_SINT:
  45         case PIPE_FORMAT_L8_UNORM:
  46         case PIPE_FORMAT_L8_SNORM:
  47         case PIPE_FORMAT_L8_UINT:
  48         case PIPE_FORMAT_L8_SINT:
  49         case PIPE_FORMAT_L8_SRGB:
  50         case PIPE_FORMAT_R8_UNORM:
  51         case PIPE_FORMAT_R8_SNORM:
  52         case PIPE_FORMAT_R8_UINT:
  53         case PIPE_FORMAT_R8_SINT:
  54                 return FMT_8;
  55
  56         /* 16-bit buffers. */
  57         case PIPE_FORMAT_B5G6R5_UNORM:
  58                 return FMT_5_6_5;
  59         case PIPE_FORMAT_B5G5R5A1_UNORM:
  60         case PIPE_FORMAT_B5G5R5X1_UNORM:
  61                 return FMT_1_5_5_5;
  62         case PIPE_FORMAT_B4G4R4A4_UNORM:
  63         case PIPE_FORMAT_B4G4R4X4_UNORM:
  64                 return FMT_4_4_4_4;
  65         case PIPE_FORMAT_Z16_UNORM:
  66                 return FMT_16;
  67         case PIPE_FORMAT_L8A8_UNORM:
  68         case PIPE_FORMAT_L8A8_SNORM:
  69         case PIPE_FORMAT_L8A8_UINT:
  70         case PIPE_FORMAT_L8A8_SINT:
  71         case PIPE_FORMAT_L8A8_SRGB:
  72         case PIPE_FORMAT_R8G8_UNORM:
  73         case PIPE_FORMAT_R8G8_SNORM:
  74         case PIPE_FORMAT_R8G8_UINT:
  75         case PIPE_FORMAT_R8G8_SINT:
  76                 return FMT_8_8;
  77         case PIPE_FORMAT_R16_UNORM:
  78         case PIPE_FORMAT_R16_SNORM:
  79         case PIPE_FORMAT_R16_UINT:
  80         case PIPE_FORMAT_R16_SINT:
  81         case PIPE_FORMAT_A16_UNORM:
  82         case PIPE_FORMAT_A16_SNORM:
  83         case PIPE_FORMAT_A16_UINT:
  84         case PIPE_FORMAT_A16_SINT:
  85         case PIPE_FORMAT_L16_UNORM:
  86         case PIPE_FORMAT_L16_SNORM:
  87         case PIPE_FORMAT_L16_UINT:
  88         case PIPE_FORMAT_L16_SINT:
  89         case PIPE_FORMAT_I16_UNORM:
  90         case PIPE_FORMAT_I16_SNORM:
  91         case PIPE_FORMAT_I16_UINT:
  92         case PIPE_FORMAT_I16_SINT:
  93                 return FMT_16;
  94         case PIPE_FORMAT_R16_FLOAT:
  95         case PIPE_FORMAT_A16_FLOAT:
  96         case PIPE_FORMAT_L16_FLOAT:
  97         case PIPE_FORMAT_I16_FLOAT:
  98                 return FMT_16_FLOAT;
  99
 100         /* 32-bit buffers. */
 101         case PIPE_FORMAT_A8B8G8R8_SRGB:
 102         case PIPE_FORMAT_A8B8G8R8_UNORM:
 103         case PIPE_FORMAT_A8R8G8B8_UNORM:
 104         case PIPE_FORMAT_B8G8R8A8_SRGB:
 105         case PIPE_FORMAT_B8G8R8A8_UNORM:
 106         case PIPE_FORMAT_B8G8R8X8_UNORM:
 107         case PIPE_FORMAT_R8G8B8A8_SNORM:
 108         case PIPE_FORMAT_R8G8B8A8_UNORM:
 109         case PIPE_FORMAT_R8G8B8X8_UNORM:
 110         case PIPE_FORMAT_R8SG8SB8UX8U_NORM:
 111         case PIPE_FORMAT_X8B8G8R8_UNORM:
 112         case PIPE_FORMAT_X8R8G8B8_UNORM:
 113         case PIPE_FORMAT_R8G8B8_UNORM:
 114         case PIPE_FORMAT_R8G8B8A8_SINT:
 115         case PIPE_FORMAT_R8G8B8A8_UINT:
 116                 return FMT_8_8_8_8;
 117         case PIPE_FORMAT_R10G10B10A2_UNORM:
 118         case PIPE_FORMAT_R10G10B10X2_SNORM:
 119         case PIPE_FORMAT_B10G10R10A2_UNORM:
 120         case PIPE_FORMAT_B10G10R10A2_UINT:
 121         case PIPE_FORMAT_R10SG10SB10SA2U_NORM:
 122                 return FMT_2_10_10_10;
 123         case PIPE_FORMAT_Z24X8_UNORM:
 124         case PIPE_FORMAT_Z24_UNORM_S8_UINT:
 125                 return FMT_24_8;
 126         case PIPE_FORMAT_R32_UINT:
 127         case PIPE_FORMAT_R32_SINT:
 128         case PIPE_FORMAT_A32_UINT:
 129         case PIPE_FORMAT_A32_SINT:
 130         case PIPE_FORMAT_L32_UINT:
 131         case PIPE_FORMAT_L32_SINT:
 132         case PIPE_FORMAT_I32_UINT:
 133         case PIPE_FORMAT_I32_SINT:
 134                 return FMT_32;
 135         case PIPE_FORMAT_R32_FLOAT:
 136         case PIPE_FORMAT_A32_FLOAT:
 137         case PIPE_FORMAT_L32_FLOAT:
 138         case PIPE_FORMAT_I32_FLOAT:
 139         case PIPE_FORMAT_Z32_FLOAT:
 140                 return FMT_32_FLOAT;
 141         case PIPE_FORMAT_R16G16_FLOAT:
 142         case PIPE_FORMAT_L16A16_FLOAT:
 143                 return FMT_16_16_FLOAT;
 144         case PIPE_FORMAT_R16G16_UNORM:
 145         case PIPE_FORMAT_R16G16_SNORM:
 146         case PIPE_FORMAT_R16G16_UINT:
 147         case PIPE_FORMAT_R16G16_SINT:
 148         case PIPE_FORMAT_L16A16_UNORM:
 149         case PIPE_FORMAT_L16A16_SNORM:
 150         case PIPE_FORMAT_L16A16_UINT:
 151         case PIPE_FORMAT_L16A16_SINT:
 152                 return FMT_16_16;
 153
 154         /* 64-bit buffers. */
 155         case PIPE_FORMAT_R16G16B16A16_UINT:
 156         case PIPE_FORMAT_R16G16B16A16_SINT:
 157         case PIPE_FORMAT_R16G16B16A16_UNORM:
 158         case PIPE_FORMAT_R16G16B16A16_SNORM:
 159                 return FMT_16_16_16_16;
 160         case PIPE_FORMAT_R16G16B16A16_FLOAT:
 161                 return FMT_16_16_16_16_FLOAT;
 162         case PIPE_FORMAT_R32G32_FLOAT:
 163         case PIPE_FORMAT_L32A32_FLOAT:
 164                 return FMT_32_32_FLOAT;
 165         case PIPE_FORMAT_R32G32_SINT:
 166         case PIPE_FORMAT_R32G32_UINT:
 167         case PIPE_FORMAT_L32A32_UINT:
 168         case PIPE_FORMAT_L32A32_SINT:
 169                 return FMT_32_32;
 170
 171         /* 96-bit buffers. */
 172         case PIPE_FORMAT_R32G32B32_FLOAT:
 173                 return FMT_32_32_32_FLOAT;
 174
 175         /* 128-bit buffers. */
 176         case PIPE_FORMAT_R32G32B32A32_SNORM:
 177         case PIPE_FORMAT_R32G32B32A32_UNORM:
 178         case PIPE_FORMAT_R32G32B32A32_SINT:
 179         case PIPE_FORMAT_R32G32B32A32_UINT:
 180                 return FMT_32_32_32_32;
 181         case PIPE_FORMAT_R32G32B32A32_FLOAT:
 182                 return FMT_32_32_32_32_FLOAT;
 183
 184         /* Compressed textures. */
 185         case PIPE_FORMAT_ETC1_RGB8:
 186                 return FMT_ETC1_RGB;
 187         case PIPE_FORMAT_DXT1_RGB:
 188         case PIPE_FORMAT_DXT1_RGBA:
 189                 return FMT_DXT1;
 190         case PIPE_FORMAT_DXT3_RGBA:
 191                 return FMT_DXT2_3;
 192         case PIPE_FORMAT_DXT5_RGBA:
 193                 return FMT_DXT4_5;
 194
 195         /* YUV buffers. */
 196         case PIPE_FORMAT_UYVY:
 197                 return FMT_Cr_Y1_Cb_Y0;
 198         case PIPE_FORMAT_YUYV:
 199                 return FMT_Y1_Cr_Y0_Cb;
 200
 201         default:
 202                 return ~0;
 203         }
 204 }
 205
 206 enum a2xx_colorformatx
 207 fd2_pipe2color(enum pipe_format format)
 208 {
 209         switch (format) {
 210         /* 8-bit buffers. */
 211         case PIPE_FORMAT_A8_UNORM:
 212         case PIPE_FORMAT_A8_SNORM:
 213         case PIPE_FORMAT_A8_UINT:
 214         case PIPE_FORMAT_A8_SINT:
 215         case PIPE_FORMAT_I8_UNORM:
 216         case PIPE_FORMAT_I8_SNORM:
 217         case PIPE_FORMAT_I8_UINT:
 218         case PIPE_FORMAT_I8_SINT:
 219         case PIPE_FORMAT_L8_UNORM:
 220         case PIPE_FORMAT_L8_SNORM:
 221         case PIPE_FORMAT_L8_UINT:
 222         case PIPE_FORMAT_L8_SINT:
 223         case PIPE_FORMAT_L8_SRGB:
 224         case PIPE_FORMAT_R8_UNORM:
 225         case PIPE_FORMAT_R8_SNORM:
 226         case PIPE_FORMAT_R8_UINT:
 227         case PIPE_FORMAT_R8_SINT:
 228                 return COLORX_8;
 229
 230         /* 16-bit buffers. */
 231         case PIPE_FORMAT_B5G6R5_UNORM:
 232                 return COLORX_5_6_5;
 233         case PIPE_FORMAT_B5G5R5A1_UNORM:
 234         case PIPE_FORMAT_B5G5R5X1_UNORM:
 235                 return COLORX_1_5_5_5;
 236         case PIPE_FORMAT_B4G4R4A4_UNORM:
 237         case PIPE_FORMAT_B4G4R4X4_UNORM:
 238                 return COLORX_4_4_4_4;
 239         case PIPE_FORMAT_L8A8_UNORM:
 240         case PIPE_FORMAT_L8A8_SNORM:
 241         case PIPE_FORMAT_L8A8_UINT:
 242         case PIPE_FORMAT_L8A8_SINT:
 243         case PIPE_FORMAT_L8A8_SRGB:
 244         case PIPE_FORMAT_R8G8_UNORM:
 245         case PIPE_FORMAT_R8G8_SNORM:
 246         case PIPE_FORMAT_R8G8_UINT:
 247         case PIPE_FORMAT_R8G8_SINT:
 248         case PIPE_FORMAT_Z16_UNORM:
 249                 return COLORX_8_8;
 250         case PIPE_FORMAT_R16_FLOAT:
 251         case PIPE_FORMAT_A16_FLOAT:
 252         case PIPE_FORMAT_L16_FLOAT:
 253         case PIPE_FORMAT_I16_FLOAT:
 254                 return COLORX_16_FLOAT;
 255
 256         /* 32-bit buffers. */
 257         case PIPE_FORMAT_A8B8G8R8_SRGB:
 258         case PIPE_FORMAT_A8B8G8R8_UNORM:
 259         case PIPE_FORMAT_A8R8G8B8_UNORM:
 260         case PIPE_FORMAT_B8G8R8A8_SRGB:
 261         case PIPE_FORMAT_B8G8R8A8_UNORM:
 262         case PIPE_FORMAT_B8G8R8X8_UNORM:
 263         case PIPE_FORMAT_R8G8B8A8_SNORM:
 264         case PIPE_FORMAT_R8G8B8A8_UNORM:
 265         case PIPE_FORMAT_R8G8B8X8_UNORM:
 266         case PIPE_FORMAT_R8SG8SB8UX8U_NORM:
 267         case PIPE_FORMAT_X8B8G8R8_UNORM:
 268         case PIPE_FORMAT_X8R8G8B8_UNORM:
 269         case PIPE_FORMAT_R8G8B8_UNORM:
 270         case PIPE_FORMAT_R8G8B8A8_SINT:
 271         case PIPE_FORMAT_R8G8B8A8_UINT:
 272         case PIPE_FORMAT_Z24_UNORM_S8_UINT:
 273         case PIPE_FORMAT_Z24X8_UNORM:
 274                 return COLORX_8_8_8_8;
 275         case PIPE_FORMAT_R32_FLOAT:
 276         case PIPE_FORMAT_A32_FLOAT:
 277         case PIPE_FORMAT_L32_FLOAT:
 278         case PIPE_FORMAT_I32_FLOAT:
 279         case PIPE_FORMAT_Z32_FLOAT:
 280                 return COLORX_32_FLOAT;
 281         case PIPE_FORMAT_R16G16_FLOAT:
 282         case PIPE_FORMAT_L16A16_FLOAT:
 283                 return COLORX_16_16_FLOAT;
 284
 285         /* 64-bit buffers. */
 286         case PIPE_FORMAT_R16G16B16A16_FLOAT:
 287                 return COLORX_16_16_16_16_FLOAT;
 288         case PIPE_FORMAT_R32G32_FLOAT:
 289         case PIPE_FORMAT_L32A32_FLOAT:
 290                 return COLORX_32_32_FLOAT;
 291
 292         /* 128-bit buffers. */
 293         case PIPE_FORMAT_R32G32B32A32_FLOAT:
 294                 return COLORX_32_32_32_32_FLOAT;
 295
 296         default:
 297                 return ~0;
 298         }
 299 }
 300
 301 static inline enum sq_tex_swiz
 302 tex_swiz(unsigned swiz)
 303 {
 304         switch (swiz) {
 305         default:
 306         case PIPE_SWIZZLE_X: return SQ_TEX_X;
 307         case PIPE_SWIZZLE_Y: return SQ_TEX_Y;
 308         case PIPE_SWIZZLE_Z: return SQ_TEX_Z;
 309         case PIPE_SWIZZLE_W: return SQ_TEX_W;
 310         case PIPE_SWIZZLE_0: return SQ_TEX_ZERO;
 311         case PIPE_SWIZZLE_1: return SQ_TEX_ONE;
 312         }
 313 }
 314
 315 uint32_t
 316 fd2_tex_swiz(enum pipe_format format, unsigned swizzle_r, unsigned swizzle_g,
 317                 unsigned swizzle_b, unsigned swizzle_a)
 318 {
 319         const struct util_format_description *desc =
 320                         util_format_description(format);
 321         unsigned char swiz[4] = {
 322                 swizzle_r, swizzle_g, swizzle_b, swizzle_a,
 323         }, rswiz[4];
 324
 325         util_format_compose_swizzles(desc->swizzle, swiz, rswiz);
 326
 327         return A2XX_SQ_TEX_3_SWIZ_X(tex_swiz(rswiz[0])) |
 328                         A2XX_SQ_TEX_3_SWIZ_Y(tex_swiz(rswiz[1])) |
 329                         A2XX_SQ_TEX_3_SWIZ_Z(tex_swiz(rswiz[2])) |
 330                         A2XX_SQ_TEX_3_SWIZ_W(tex_swiz(rswiz[3]));
 331 }