1 /* 2 * Copyright (c) 2016 Etnaviv Project 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, sub license, 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 12 * next paragraph) shall be included in all copies or substantial portions 13 * of the 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 NON-INFRINGEMENT. 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 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 21 * DEALINGS IN THE SOFTWARE. 22 * 23 * Authors: 24 * Christian Gmeiner <christian.gmeiner (at) gmail.com> 25 */ 26 27 #include "etnaviv_format.h" 28 29 #include "hw/state.xml.h" 30 #include "hw/state_3d.xml.h" 31 32 #include "pipe/p_defines.h" 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 etna_format { 39 unsigned vtx; 40 unsigned tex; 41 unsigned rs; 42 boolean present; 43 }; 44 45 #define RS_FORMAT_NONE ~0 46 47 #define RS_FORMAT_MASK 0xf 48 #define RS_FORMAT(x) ((x) & RS_FORMAT_MASK) 49 #define RS_FORMAT_RB_SWAP 0x10 50 51 #define RS_FORMAT_X8B8G8R8 (RS_FORMAT_X8R8G8B8 | RS_FORMAT_RB_SWAP) 52 #define RS_FORMAT_A8B8G8R8 (RS_FORMAT_A8R8G8B8 | RS_FORMAT_RB_SWAP) 53 54 /* vertex + texture */ 55 #define VT(pipe, vtxfmt, texfmt, rsfmt) \ 56 [PIPE_FORMAT_##pipe] = { \ 57 .vtx = VIVS_FE_VERTEX_ELEMENT_CONFIG_TYPE_##vtxfmt, \ 58 .tex = TEXTURE_FORMAT_##texfmt, \ 59 .rs = RS_FORMAT_##rsfmt, \ 60 .present = 1, \ 61 } 62 63 /* texture-only */ 64 #define _T(pipe, fmt, rsfmt) \ 65 [PIPE_FORMAT_##pipe] = { \ 66 .vtx = ETNA_NO_MATCH, \ 67 .tex = TEXTURE_FORMAT_##fmt, \ 68 .rs = RS_FORMAT_##rsfmt, \ 69 .present = 1, \ 70 } 71 72 /* vertex-only */ 73 #define V_(pipe, fmt, rsfmt) \ 74 [PIPE_FORMAT_##pipe] = { \ 75 .vtx = VIVS_FE_VERTEX_ELEMENT_CONFIG_TYPE_##fmt, \ 76 .tex = ETNA_NO_MATCH, \ 77 .rs = RS_FORMAT_##rsfmt, \ 78 .present = 1, \ 79 } 80 81 static struct etna_format formats[PIPE_FORMAT_COUNT] = { 82 /* 8-bit */ 83 V_(R8_UNORM, UNSIGNED_BYTE, NONE), 84 V_(R8_SNORM, BYTE, NONE), 85 V_(R8_UINT, UNSIGNED_BYTE, NONE), 86 V_(R8_SINT, BYTE, NONE), 87 V_(R8_USCALED, UNSIGNED_BYTE, NONE), 88 V_(R8_SSCALED, BYTE, NONE), 89 90 _T(A8_UNORM, A8, NONE), 91 _T(L8_UNORM, L8, NONE), 92 _T(I8_UNORM, I8, NONE), 93 94 /* 16-bit */ 95 V_(R16_UNORM, UNSIGNED_SHORT, NONE), 96 V_(R16_SNORM, SHORT, NONE), 97 V_(R16_UINT, UNSIGNED_SHORT, NONE), 98 V_(R16_SINT, SHORT, NONE), 99 V_(R16_USCALED, UNSIGNED_SHORT, NONE), 100 V_(R16_SSCALED, SHORT, NONE), 101 V_(R16_FLOAT, HALF_FLOAT, NONE), 102 103 _T(B4G4R4A4_UNORM, A4R4G4B4, A4R4G4B4), 104 _T(B4G4R4X4_UNORM, X4R4G4B4, X4R4G4B4), 105 106 _T(Z16_UNORM, D16, A4R4G4B4), 107 _T(B5G6R5_UNORM, R5G6B5, R5G6B5), 108 _T(B5G5R5A1_UNORM, A1R5G5B5, A1R5G5B5), 109 _T(B5G5R5X1_UNORM, X1R5G5B5, X1R5G5B5), 110 111 V_(R8G8_UNORM, UNSIGNED_BYTE, NONE), 112 V_(R8G8_SNORM, BYTE, NONE), 113 V_(R8G8_UINT, UNSIGNED_BYTE, NONE), 114 V_(R8G8_SINT, BYTE, NONE), 115 V_(R8G8_USCALED, UNSIGNED_BYTE, NONE), 116 V_(R8G8_SSCALED, BYTE, NONE), 117 118 /* 24-bit */ 119 V_(R8G8B8_UNORM, UNSIGNED_BYTE, NONE), 120 V_(R8G8B8_SNORM, BYTE, NONE), 121 V_(R8G8B8_UINT, UNSIGNED_BYTE, NONE), 122 V_(R8G8B8_SINT, BYTE, NONE), 123 V_(R8G8B8_USCALED, UNSIGNED_BYTE, NONE), 124 V_(R8G8B8_SSCALED, BYTE, NONE), 125 126 /* 32-bit */ 127 V_(R32_UNORM, UNSIGNED_INT, NONE), 128 V_(R32_SNORM, INT, NONE), 129 V_(R32_SINT, INT, NONE), 130 V_(R32_UINT, UNSIGNED_INT, NONE), 131 V_(R32_USCALED, UNSIGNED_INT, NONE), 132 V_(R32_SSCALED, INT, NONE), 133 V_(R32_FLOAT, FLOAT, NONE), 134 V_(R32_FIXED, FIXED, NONE), 135 136 V_(R16G16_UNORM, UNSIGNED_SHORT, NONE), 137 V_(R16G16_SNORM, SHORT, NONE), 138 V_(R16G16_UINT, UNSIGNED_SHORT, NONE), 139 V_(R16G16_SINT, SHORT, NONE), 140 V_(R16G16_USCALED, UNSIGNED_SHORT, NONE), 141 V_(R16G16_SSCALED, SHORT, NONE), 142 V_(R16G16_FLOAT, HALF_FLOAT, NONE), 143 144 V_(A8B8G8R8_UNORM, UNSIGNED_BYTE, NONE), 145 146 V_(R8G8B8A8_UNORM, UNSIGNED_BYTE, A8B8G8R8), 147 V_(R8G8B8A8_SNORM, BYTE, A8B8G8R8), 148 _T(R8G8B8X8_UNORM, X8B8G8R8, X8B8G8R8), 149 V_(R8G8B8A8_UINT, UNSIGNED_BYTE, A8B8G8R8), 150 V_(R8G8B8A8_SINT, BYTE, A8B8G8R8), 151 V_(R8G8B8A8_USCALED, UNSIGNED_BYTE, A8B8G8R8), 152 V_(R8G8B8A8_SSCALED, BYTE, A8B8G8R8), 153 154 _T(R8G8B8A8_UNORM, A8B8G8R8, A8B8G8R8), 155 _T(R8G8B8X8_UNORM, X8B8G8R8, X8B8G8R8), 156 157 _T(B8G8R8A8_UNORM, A8R8G8B8, A8R8G8B8), 158 _T(B8G8R8X8_UNORM, X8R8G8B8, X8R8G8B8), 159 160 V_(R10G10B10A2_UNORM, UNSIGNED_INT_10_10_10_2, NONE), 161 V_(R10G10B10A2_SNORM, INT_10_10_10_2, NONE), 162 V_(R10G10B10A2_USCALED, UNSIGNED_INT_10_10_10_2, NONE), 163 V_(R10G10B10A2_SSCALED, INT_10_10_10_2, NONE), 164 165 _T(X8Z24_UNORM, D24S8, A8R8G8B8), 166 _T(S8_UINT_Z24_UNORM, D24S8, A8R8G8B8), 167 168 /* 48-bit */ 169 V_(R16G16B16_UNORM, UNSIGNED_SHORT, NONE), 170 V_(R16G16B16_SNORM, SHORT, NONE), 171 V_(R16G16B16_UINT, UNSIGNED_SHORT, NONE), 172 V_(R16G16B16_SINT, SHORT, NONE), 173 V_(R16G16B16_USCALED, UNSIGNED_SHORT, NONE), 174 V_(R16G16B16_SSCALED, SHORT, NONE), 175 V_(R16G16B16_FLOAT, HALF_FLOAT, NONE), 176 177 /* 64-bit */ 178 V_(R16G16B16A16_UNORM, UNSIGNED_SHORT, NONE), 179 V_(R16G16B16A16_SNORM, SHORT, NONE), 180 V_(R16G16B16A16_UINT, UNSIGNED_SHORT, NONE), 181 V_(R16G16B16A16_SINT, SHORT, NONE), 182 V_(R16G16B16A16_USCALED, UNSIGNED_SHORT, NONE), 183 V_(R16G16B16A16_SSCALED, SHORT, NONE), 184 V_(R16G16B16A16_FLOAT, HALF_FLOAT, NONE), 185 186 V_(R32G32_UNORM, UNSIGNED_INT, NONE), 187 V_(R32G32_SNORM, INT, NONE), 188 V_(R32G32_UINT, UNSIGNED_INT, NONE), 189 V_(R32G32_SINT, INT, NONE), 190 V_(R32G32_USCALED, UNSIGNED_INT, NONE), 191 V_(R32G32_SSCALED, INT, NONE), 192 V_(R32G32_FLOAT, FLOAT, NONE), 193 V_(R32G32_FIXED, FIXED, NONE), 194 195 /* 96-bit */ 196 V_(R32G32B32_UNORM, UNSIGNED_INT, NONE), 197 V_(R32G32B32_SNORM, INT, NONE), 198 V_(R32G32B32_UINT, UNSIGNED_INT, NONE), 199 V_(R32G32B32_SINT, INT, NONE), 200 V_(R32G32B32_USCALED, UNSIGNED_INT, NONE), 201 V_(R32G32B32_SSCALED, INT, NONE), 202 V_(R32G32B32_FLOAT, FLOAT, NONE), 203 V_(R32G32B32_FIXED, FIXED, NONE), 204 205 /* 128-bit */ 206 V_(R32G32B32A32_UNORM, UNSIGNED_INT, NONE), 207 V_(R32G32B32A32_SNORM, INT, NONE), 208 V_(R32G32B32A32_UINT, UNSIGNED_INT, NONE), 209 V_(R32G32B32A32_SINT, INT, NONE), 210 V_(R32G32B32A32_USCALED, UNSIGNED_INT, NONE), 211 V_(R32G32B32A32_SSCALED, INT, NONE), 212 V_(R32G32B32A32_FLOAT, FLOAT, NONE), 213 V_(R32G32B32A32_FIXED, FIXED, NONE), 214 215 /* compressed */ 216 _T(ETC1_RGB8, ETC1, NONE), 217 218 _T(DXT1_RGB, DXT1, NONE), 219 _T(DXT1_RGBA, DXT1, NONE), 220 _T(DXT3_RGBA, DXT2_DXT3, NONE), 221 _T(DXT3_RGBA, DXT2_DXT3, NONE), 222 _T(DXT5_RGBA, DXT4_DXT5, NONE), 223 224 /* YUV */ 225 _T(YUYV, YUY2, YUY2), 226 _T(UYVY, UYVY, NONE), 227 }; 228 229 uint32_t 230 translate_texture_format(enum pipe_format fmt) 231 { 232 /* XXX with TEXTURE_FORMAT_EXT and swizzle on newer chips we can 233 * support much more */ 234 if (!formats[fmt].present) 235 return ETNA_NO_MATCH; 236 237 return formats[fmt].tex; 238 } 239 240 uint32_t 241 translate_rs_format(enum pipe_format fmt) 242 { 243 if (!formats[fmt].present) 244 return ETNA_NO_MATCH; 245 246 if (formats[fmt].rs == ETNA_NO_MATCH) 247 return ETNA_NO_MATCH; 248 249 return RS_FORMAT(formats[fmt].rs); 250 } 251 252 int 253 translate_rs_format_rb_swap(enum pipe_format fmt) 254 { 255 assert(formats[fmt].present); 256 257 return formats[fmt].rs & RS_FORMAT_RB_SWAP; 258 } 259 260 /* Return type flags for vertex element format */ 261 uint32_t 262 translate_vertex_format_type(enum pipe_format fmt) 263 { 264 if (!formats[fmt].present) 265 return ETNA_NO_MATCH; 266 267 return formats[fmt].vtx; 268 } 269
