1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */ 2 3 /* 4 * Copyright (C) 2014 Rob Clark <robclark (at) 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 (at) freedesktop.org> 27 */ 28 29 #include "pipe/p_defines.h" 30 #include "util/u_format.h" 31 32 #include "fd4_format.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 fd4_format { 40 enum a4xx_vtx_fmt vtx; 41 enum a4xx_tex_fmt tex; 42 enum a4xx_color_fmt rb; 43 enum a3xx_color_swap swap; 44 boolean present; 45 }; 46 47 #define RB4_NONE ~0 48 49 /* vertex + texture */ 50 #define VT(pipe, fmt, rbfmt, swapfmt) \ 51 [PIPE_FORMAT_ ## pipe] = { \ 52 .present = 1, \ 53 .vtx = VFMT4_ ## fmt, \ 54 .tex = TFMT4_ ## fmt, \ 55 .rb = RB4_ ## 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 = TFMT4_ ## fmt, \ 65 .rb = RB4_ ## 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 = VFMT4_ ## fmt, \ 74 .tex = ~0, \ 75 .rb = RB4_ ## rbfmt, \ 76 .swap = swapfmt \ 77 } 78 79 static struct fd4_format formats[PIPE_FORMAT_COUNT] = { 80 /* 8-bit */ 81 VT(R8_UNORM, 8_UNORM, R8_UNORM, WZYX), 82 VT(R8_SNORM, 8_SNORM, R8_SNORM, WZYX), 83 VT(R8_UINT, 8_UINT, R8_UINT, WZYX), 84 VT(R8_SINT, 8_SINT, R8_SINT, WZYX), 85 V_(R8_USCALED, 8_UINT, NONE, WZYX), 86 V_(R8_SSCALED, 8_UINT, NONE, WZYX), 87 88 _T(A8_UNORM, 8_UNORM, A8_UNORM, WZYX), 89 _T(L8_UNORM, 8_UNORM, R8_UNORM, WZYX), 90 _T(I8_UNORM, 8_UNORM, NONE, WZYX), 91 92 _T(A8_UINT, 8_UINT, NONE, WZYX), 93 _T(A8_SINT, 8_SINT, NONE, WZYX), 94 _T(L8_UINT, 8_UINT, NONE, WZYX), 95 _T(L8_SINT, 8_SINT, NONE, WZYX), 96 _T(I8_UINT, 8_UINT, NONE, WZYX), 97 _T(I8_SINT, 8_SINT, NONE, WZYX), 98 99 _T(S8_UINT, 8_UINT, R8_UNORM, WZYX), 100 101 /* 16-bit */ 102 VT(R16_UNORM, 16_UNORM, R16_UNORM, WZYX), 103 VT(R16_SNORM, 16_SNORM, R16_SNORM, WZYX), 104 VT(R16_UINT, 16_UINT, R16_UINT, WZYX), 105 VT(R16_SINT, 16_SINT, R16_SINT, WZYX), 106 V_(R16_USCALED, 16_UINT, NONE, WZYX), 107 V_(R16_SSCALED, 16_UINT, NONE, WZYX), 108 VT(R16_FLOAT, 16_FLOAT, R16_FLOAT, WZYX), 109 110 _T(A16_UNORM, 16_UNORM, NONE, WZYX), 111 _T(A16_SNORM, 16_SNORM, NONE, WZYX), 112 _T(A16_UINT, 16_UINT, NONE, WZYX), 113 _T(A16_SINT, 16_SINT, NONE, WZYX), 114 _T(L16_UNORM, 16_UNORM, NONE, WZYX), 115 _T(L16_SNORM, 16_SNORM, NONE, WZYX), 116 _T(L16_UINT, 16_UINT, NONE, WZYX), 117 _T(L16_SINT, 16_SINT, NONE, WZYX), 118 _T(I16_UNORM, 16_UNORM, NONE, WZYX), 119 _T(I16_SNORM, 16_SNORM, NONE, WZYX), 120 _T(I16_UINT, 16_UINT, NONE, WZYX), 121 _T(I16_SINT, 16_SINT, NONE, WZYX), 122 123 VT(R8G8_UNORM, 8_8_UNORM, R8G8_UNORM, WZYX), 124 VT(R8G8_SNORM, 8_8_SNORM, R8G8_SNORM, WZYX), 125 VT(R8G8_UINT, 8_8_UINT, R8G8_UINT, WZYX), 126 VT(R8G8_SINT, 8_8_SINT, R8G8_SINT, WZYX), 127 V_(R8G8_USCALED, 8_8_UINT, NONE, WZYX), 128 V_(R8G8_SSCALED, 8_8_SINT, NONE, WZYX), 129 130 _T(L8A8_UINT, 8_8_UINT, NONE, WZYX), 131 _T(L8A8_SINT, 8_8_SINT, NONE, WZYX), 132 133 _T(B5G6R5_UNORM, 5_6_5_UNORM, R5G6B5_UNORM, WXYZ), 134 _T(B5G5R5A1_UNORM, 5_5_5_1_UNORM, R5G5B5A1_UNORM, WXYZ), 135 _T(B5G5R5X1_UNORM, 5_5_5_1_UNORM, R5G5B5A1_UNORM, WXYZ), 136 _T(B4G4R4A4_UNORM, 4_4_4_4_UNORM, R4G4B4A4_UNORM, WXYZ), 137 138 /* 24-bit */ 139 V_(R8G8B8_UNORM, 8_8_8_UNORM, NONE, WZYX), 140 V_(R8G8B8_SNORM, 8_8_8_SNORM, NONE, WZYX), 141 V_(R8G8B8_UINT, 8_8_8_UINT, NONE, WZYX), 142 V_(R8G8B8_SINT, 8_8_8_SINT, NONE, WZYX), 143 V_(R8G8B8_USCALED, 8_8_8_UINT, NONE, WZYX), 144 V_(R8G8B8_SSCALED, 8_8_8_SINT, NONE, WZYX), 145 146 /* 32-bit */ 147 VT(R32_UINT, 32_UINT, R32_UINT, WZYX), 148 VT(R32_SINT, 32_SINT, R32_SINT, WZYX), 149 V_(R32_USCALED, 32_UINT, NONE, WZYX), 150 V_(R32_SSCALED, 32_UINT, NONE, WZYX), 151 VT(R32_FLOAT, 32_FLOAT, R32_FLOAT,WZYX), 152 V_(R32_FIXED, 32_FIXED, NONE, WZYX), 153 154 _T(A32_UINT, 32_UINT, NONE, WZYX), 155 _T(A32_SINT, 32_SINT, NONE, WZYX), 156 _T(L32_UINT, 32_UINT, NONE, WZYX), 157 _T(L32_SINT, 32_SINT, NONE, WZYX), 158 _T(I32_UINT, 32_UINT, NONE, WZYX), 159 _T(I32_SINT, 32_SINT, NONE, WZYX), 160 161 VT(R16G16_UNORM, 16_16_UNORM, R16G16_UNORM, WZYX), 162 VT(R16G16_SNORM, 16_16_SNORM, R16G16_SNORM, WZYX), 163 VT(R16G16_UINT, 16_16_UINT, R16G16_UINT, WZYX), 164 VT(R16G16_SINT, 16_16_SINT, R16G16_SINT, WZYX), 165 V_(R16G16_USCALED, 16_16_UINT, NONE, WZYX), 166 V_(R16G16_SSCALED, 16_16_SINT, NONE, WZYX), 167 VT(R16G16_FLOAT, 16_16_FLOAT, R16G16_FLOAT, WZYX), 168 169 _T(L16A16_UNORM, 16_16_UNORM, NONE, WZYX), 170 _T(L16A16_SNORM, 16_16_SNORM, NONE, WZYX), 171 _T(L16A16_UINT, 16_16_UINT, NONE, WZYX), 172 _T(L16A16_SINT, 16_16_SINT, NONE, WZYX), 173 174 VT(R8G8B8A8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WZYX), 175 _T(R8G8B8X8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WZYX), 176 _T(R8G8B8A8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WZYX), 177 _T(R8G8B8X8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WZYX), 178 VT(R8G8B8A8_SNORM, 8_8_8_8_SNORM, R8G8B8A8_SNORM, WZYX), 179 VT(R8G8B8A8_UINT, 8_8_8_8_UINT, R8G8B8A8_UINT, WZYX), 180 VT(R8G8B8A8_SINT, 8_8_8_8_SINT, R8G8B8A8_SINT, WZYX), 181 V_(R8G8B8A8_USCALED, 8_8_8_8_UINT, NONE, WZYX), 182 V_(R8G8B8A8_SSCALED, 8_8_8_8_SINT, NONE, WZYX), 183 184 VT(B8G8R8A8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WXYZ), 185 _T(B8G8R8X8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WXYZ), 186 VT(B8G8R8A8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WXYZ), 187 _T(B8G8R8X8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WXYZ), 188 189 VT(A8B8G8R8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, XYZW), 190 _T(X8B8G8R8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, XYZW), 191 _T(A8B8G8R8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, XYZW), 192 _T(X8B8G8R8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, XYZW), 193 194 VT(A8R8G8B8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, ZYXW), 195 _T(X8R8G8B8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, ZYXW), 196 _T(A8R8G8B8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, ZYXW), 197 _T(X8R8G8B8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, ZYXW), 198 199 VT(R10G10B10A2_UNORM, 10_10_10_2_UNORM, R10G10B10A2_UNORM, WZYX), 200 VT(B10G10R10A2_UNORM, 10_10_10_2_UNORM, R10G10B10A2_UNORM, WXYZ), 201 _T(B10G10R10X2_UNORM, 10_10_10_2_UNORM, R10G10B10A2_UNORM, WXYZ), 202 V_(R10G10B10A2_SNORM, 10_10_10_2_SNORM, NONE, WZYX), 203 V_(B10G10R10A2_SNORM, 10_10_10_2_SNORM, NONE, WXYZ), 204 VT(R10G10B10A2_UINT, 10_10_10_2_UINT, R10G10B10A2_UINT, WZYX), 205 VT(B10G10R10A2_UINT, 10_10_10_2_UINT, R10G10B10A2_UINT, WXYZ), 206 V_(R10G10B10A2_USCALED, 10_10_10_2_UINT, NONE, WZYX), 207 V_(B10G10R10A2_USCALED, 10_10_10_2_UINT, NONE, WXYZ), 208 V_(R10G10B10A2_SSCALED, 10_10_10_2_SINT, NONE, WZYX), 209 V_(B10G10R10A2_SSCALED, 10_10_10_2_SINT, NONE, WXYZ), 210 211 VT(R11G11B10_FLOAT, 11_11_10_FLOAT, R11G11B10_FLOAT, WZYX), 212 _T(R9G9B9E5_FLOAT, 9_9_9_E5_FLOAT, NONE, WZYX), 213 214 _T(Z24X8_UNORM, X8Z24_UNORM, R8G8B8A8_UNORM, WZYX), 215 _T(Z24_UNORM_S8_UINT, X8Z24_UNORM, R8G8B8A8_UNORM, WZYX), 216 _T(Z32_FLOAT, 32_FLOAT, R8G8B8A8_UNORM, WZYX), 217 _T(Z32_FLOAT_S8X24_UINT, 32_FLOAT,R8G8B8A8_UNORM, WZYX), 218 219 /* 48-bit */ 220 V_(R16G16B16_UNORM, 16_16_16_UNORM, NONE, WZYX), 221 V_(R16G16B16_SNORM, 16_16_16_SNORM, NONE, WZYX), 222 V_(R16G16B16_UINT, 16_16_16_UINT, NONE, WZYX), 223 V_(R16G16B16_SINT, 16_16_16_SINT, NONE, WZYX), 224 V_(R16G16B16_USCALED, 16_16_16_UINT, NONE, WZYX), 225 V_(R16G16B16_SSCALED, 16_16_16_SINT, NONE, WZYX), 226 V_(R16G16B16_FLOAT, 16_16_16_FLOAT, NONE, WZYX), 227 228 /* 64-bit */ 229 VT(R16G16B16A16_UNORM, 16_16_16_16_UNORM, R16G16B16A16_UNORM, WZYX), 230 VT(R16G16B16X16_UNORM, 16_16_16_16_UNORM, R16G16B16A16_UNORM, WZYX), 231 VT(R16G16B16A16_SNORM, 16_16_16_16_SNORM, R16G16B16A16_SNORM, WZYX), 232 VT(R16G16B16X16_SNORM, 16_16_16_16_SNORM, R16G16B16A16_SNORM, WZYX), 233 VT(R16G16B16A16_UINT, 16_16_16_16_UINT, R16G16B16A16_UINT, WZYX), 234 _T(R16G16B16X16_UINT, 16_16_16_16_UINT, R16G16B16A16_UINT, WZYX), 235 VT(R16G16B16A16_SINT, 16_16_16_16_SINT, R16G16B16A16_SINT, WZYX), 236 _T(R16G16B16X16_SINT, 16_16_16_16_SINT, R16G16B16A16_SINT, WZYX), 237 V_(R16G16B16A16_USCALED, 16_16_16_16_UINT, NONE, WZYX), 238 V_(R16G16B16A16_SSCALED, 16_16_16_16_SINT, NONE, WZYX), 239 VT(R16G16B16A16_FLOAT, 16_16_16_16_FLOAT, R16G16B16A16_FLOAT, WZYX), 240 _T(R16G16B16X16_FLOAT, 16_16_16_16_FLOAT, R16G16B16A16_FLOAT, WZYX), 241 242 VT(R32G32_UINT, 32_32_UINT, R32G32_UINT, WZYX), 243 VT(R32G32_SINT, 32_32_SINT, R32G32_SINT, WZYX), 244 V_(R32G32_USCALED, 32_32_UINT, NONE, WZYX), 245 V_(R32G32_SSCALED, 32_32_SINT, NONE, WZYX), 246 VT(R32G32_FLOAT, 32_32_FLOAT, R32G32_FLOAT,WZYX), 247 V_(R32G32_FIXED, 32_32_FIXED, NONE, WZYX), 248 249 _T(L32A32_UINT, 32_32_UINT, NONE, WZYX), 250 _T(L32A32_SINT, 32_32_SINT, NONE, WZYX), 251 252 /* 96-bit */ 253 VT(R32G32B32_UINT, 32_32_32_UINT, NONE, WZYX), 254 VT(R32G32B32_SINT, 32_32_32_SINT, NONE, WZYX), 255 V_(R32G32B32_USCALED, 32_32_32_UINT, NONE, WZYX), 256 V_(R32G32B32_SSCALED, 32_32_32_SINT, NONE, WZYX), 257 VT(R32G32B32_FLOAT, 32_32_32_FLOAT, NONE, WZYX), 258 V_(R32G32B32_FIXED, 32_32_32_FIXED, NONE, WZYX), 259 260 /* 128-bit */ 261 VT(R32G32B32A32_UINT, 32_32_32_32_UINT, R32G32B32A32_UINT, WZYX), 262 _T(R32G32B32X32_UINT, 32_32_32_32_UINT, R32G32B32A32_UINT, WZYX), 263 VT(R32G32B32A32_SINT, 32_32_32_32_SINT, R32G32B32A32_SINT, WZYX), 264 _T(R32G32B32X32_SINT, 32_32_32_32_SINT, R32G32B32A32_SINT, WZYX), 265 V_(R32G32B32A32_USCALED, 32_32_32_32_UINT, NONE, WZYX), 266 V_(R32G32B32A32_SSCALED, 32_32_32_32_SINT, NONE, WZYX), 267 VT(R32G32B32A32_FLOAT, 32_32_32_32_FLOAT, R32G32B32A32_FLOAT, WZYX), 268 _T(R32G32B32X32_FLOAT, 32_32_32_32_FLOAT, R32G32B32A32_FLOAT, WZYX), 269 V_(R32G32B32A32_FIXED, 32_32_32_32_FIXED, NONE, WZYX), 270 271 /* compressed */ 272 _T(ETC1_RGB8, ETC1, NONE, WZYX), 273 _T(ETC2_RGB8, ETC2_RGB8, NONE, WZYX), 274 _T(ETC2_SRGB8, ETC2_RGB8, NONE, WZYX), 275 _T(ETC2_RGB8A1, ETC2_RGB8A1, NONE, WZYX), 276 _T(ETC2_SRGB8A1, ETC2_RGB8A1, NONE, WZYX), 277 _T(ETC2_RGBA8, ETC2_RGBA8, NONE, WZYX), 278 _T(ETC2_SRGBA8, ETC2_RGBA8, NONE, WZYX), 279 _T(ETC2_R11_UNORM, ETC2_R11_UNORM, NONE, WZYX), 280 _T(ETC2_R11_SNORM, ETC2_R11_SNORM, NONE, WZYX), 281 _T(ETC2_RG11_UNORM, ETC2_RG11_UNORM, NONE, WZYX), 282 _T(ETC2_RG11_SNORM, ETC2_RG11_SNORM, NONE, WZYX), 283 284 _T(DXT1_RGB, DXT1, NONE, WZYX), 285 _T(DXT1_SRGB, DXT1, NONE, WZYX), 286 _T(DXT1_RGBA, DXT1, NONE, WZYX), 287 _T(DXT1_SRGBA, DXT1, NONE, WZYX), 288 _T(DXT3_RGBA, DXT3, NONE, WZYX), 289 _T(DXT3_SRGBA, DXT3, NONE, WZYX), 290 _T(DXT5_RGBA, DXT5, NONE, WZYX), 291 _T(DXT5_SRGBA, DXT5, NONE, WZYX), 292 293 _T(BPTC_RGBA_UNORM, BPTC, NONE, WZYX), 294 _T(BPTC_SRGBA, BPTC, NONE, WZYX), 295 _T(BPTC_RGB_FLOAT, BPTC_FLOAT, NONE, WZYX), 296 _T(BPTC_RGB_UFLOAT, BPTC_UFLOAT, NONE, WZYX), 297 298 _T(RGTC1_UNORM, RGTC1_UNORM, NONE, WZYX), 299 _T(RGTC1_SNORM, RGTC1_SNORM, NONE, WZYX), 300 _T(RGTC2_UNORM, RGTC2_UNORM, NONE, WZYX), 301 _T(RGTC2_SNORM, RGTC2_SNORM, NONE, WZYX), 302 _T(LATC1_UNORM, RGTC1_UNORM, NONE, WZYX), 303 _T(LATC1_SNORM, RGTC1_SNORM, NONE, WZYX), 304 _T(LATC2_UNORM, RGTC2_UNORM, NONE, WZYX), 305 _T(LATC2_SNORM, RGTC2_SNORM, NONE, WZYX), 306 307 _T(ASTC_4x4, ASTC_4x4, NONE, WZYX), 308 _T(ASTC_5x4, ASTC_5x4, NONE, WZYX), 309 _T(ASTC_5x5, ASTC_5x5, NONE, WZYX), 310 _T(ASTC_6x5, ASTC_6x5, NONE, WZYX), 311 _T(ASTC_6x6, ASTC_6x6, NONE, WZYX), 312 _T(ASTC_8x5, ASTC_8x5, NONE, WZYX), 313 _T(ASTC_8x6, ASTC_8x6, NONE, WZYX), 314 _T(ASTC_8x8, ASTC_8x8, NONE, WZYX), 315 _T(ASTC_10x5, ASTC_10x5, NONE, WZYX), 316 _T(ASTC_10x6, ASTC_10x6, NONE, WZYX), 317 _T(ASTC_10x8, ASTC_10x8, NONE, WZYX), 318 _T(ASTC_10x10, ASTC_10x10, NONE, WZYX), 319 _T(ASTC_12x10, ASTC_12x10, NONE, WZYX), 320 _T(ASTC_12x12, ASTC_12x12, NONE, WZYX), 321 322 _T(ASTC_4x4_SRGB, ASTC_4x4, NONE, WZYX), 323 _T(ASTC_5x4_SRGB, ASTC_5x4, NONE, WZYX), 324 _T(ASTC_5x5_SRGB, ASTC_5x5, NONE, WZYX), 325 _T(ASTC_6x5_SRGB, ASTC_6x5, NONE, WZYX), 326 _T(ASTC_6x6_SRGB, ASTC_6x6, NONE, WZYX), 327 _T(ASTC_8x5_SRGB, ASTC_8x5, NONE, WZYX), 328 _T(ASTC_8x6_SRGB, ASTC_8x6, NONE, WZYX), 329 _T(ASTC_8x8_SRGB, ASTC_8x8, NONE, WZYX), 330 _T(ASTC_10x5_SRGB, ASTC_10x5, NONE, WZYX), 331 _T(ASTC_10x6_SRGB, ASTC_10x6, NONE, WZYX), 332 _T(ASTC_10x8_SRGB, ASTC_10x8, NONE, WZYX), 333 _T(ASTC_10x10_SRGB, ASTC_10x10, NONE, WZYX), 334 _T(ASTC_12x10_SRGB, ASTC_12x10, NONE, WZYX), 335 _T(ASTC_12x12_SRGB, ASTC_12x12, NONE, WZYX), 336 }; 337 338 /* convert pipe format to vertex buffer format: */ 339 enum a4xx_vtx_fmt 340 fd4_pipe2vtx(enum pipe_format format) 341 { 342 if (!formats[format].present) 343 return ~0; 344 return formats[format].vtx; 345 } 346 347 /* convert pipe format to texture sampler format: */ 348 enum a4xx_tex_fmt 349 fd4_pipe2tex(enum pipe_format format) 350 { 351 if (!formats[format].present) 352 return ~0; 353 return formats[format].tex; 354 } 355 356 /* convert pipe format to MRT / copydest format used for render-target: */ 357 enum a4xx_color_fmt 358 fd4_pipe2color(enum pipe_format format) 359 { 360 if (!formats[format].present) 361 return ~0; 362 return formats[format].rb; 363 } 364 365 enum a3xx_color_swap 366 fd4_pipe2swap(enum pipe_format format) 367 { 368 if (!formats[format].present) 369 return WZYX; 370 return formats[format].swap; 371 } 372 373 enum a4xx_tex_fetchsize 374 fd4_pipe2fetchsize(enum pipe_format format) 375 { 376 if (format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT) 377 format = PIPE_FORMAT_Z32_FLOAT; 378 379 if (util_format_description(format)->layout == UTIL_FORMAT_LAYOUT_ASTC) 380 return TFETCH4_16_BYTE; 381 382 switch (util_format_get_blocksizebits(format) / util_format_get_blockwidth(format)) { 383 case 8: return TFETCH4_1_BYTE; 384 case 16: return TFETCH4_2_BYTE; 385 case 32: return TFETCH4_4_BYTE; 386 case 64: return TFETCH4_8_BYTE; 387 case 96: return TFETCH4_1_BYTE; /* Does this matter? */ 388 case 128: return TFETCH4_16_BYTE; 389 default: 390 debug_printf("Unknown block size for format %s: %d\n", 391 util_format_name(format), 392 util_format_get_blocksizebits(format)); 393 return TFETCH4_1_BYTE; 394 } 395 } 396 397 enum a4xx_depth_format 398 fd4_pipe2depth(enum pipe_format format) 399 { 400 switch (format) { 401 case PIPE_FORMAT_Z16_UNORM: 402 return DEPTH4_16; 403 case PIPE_FORMAT_Z24X8_UNORM: 404 case PIPE_FORMAT_Z24_UNORM_S8_UINT: 405 case PIPE_FORMAT_X8Z24_UNORM: 406 case PIPE_FORMAT_S8_UINT_Z24_UNORM: 407 return DEPTH4_24_8; 408 case PIPE_FORMAT_Z32_FLOAT: 409 case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT: 410 return DEPTH4_32; 411 default: 412 return ~0; 413 } 414 } 415 416 static inline enum a4xx_tex_swiz 417 tex_swiz(unsigned swiz) 418 { 419 switch (swiz) { 420 default: 421 case PIPE_SWIZZLE_X: return A4XX_TEX_X; 422 case PIPE_SWIZZLE_Y: return A4XX_TEX_Y; 423 case PIPE_SWIZZLE_Z: return A4XX_TEX_Z; 424 case PIPE_SWIZZLE_W: return A4XX_TEX_W; 425 case PIPE_SWIZZLE_0: return A4XX_TEX_ZERO; 426 case PIPE_SWIZZLE_1: return A4XX_TEX_ONE; 427 } 428 } 429 430 uint32_t 431 fd4_tex_swiz(enum pipe_format format, unsigned swizzle_r, unsigned swizzle_g, 432 unsigned swizzle_b, unsigned swizzle_a) 433 { 434 const struct util_format_description *desc = 435 util_format_description(format); 436 unsigned char swiz[4] = { 437 swizzle_r, swizzle_g, swizzle_b, swizzle_a, 438 }, rswiz[4]; 439 440 util_format_compose_swizzles(desc->swizzle, swiz, rswiz); 441 442 return A4XX_TEX_CONST_0_SWIZ_X(tex_swiz(rswiz[0])) | 443 A4XX_TEX_CONST_0_SWIZ_Y(tex_swiz(rswiz[1])) | 444 A4XX_TEX_CONST_0_SWIZ_Z(tex_swiz(rswiz[2])) | 445 A4XX_TEX_CONST_0_SWIZ_W(tex_swiz(rswiz[3])); 446 } 447
