1 /* 2 * Copyright (c) 2011-2013 Luc Verhaegen <libv (at) skynet.be> 3 * Copyright (c) 2018-2019 Lima Project 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, sub license, 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 13 * next paragraph) shall be included in all copies or substantial portions 14 * of the 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 NON-INFRINGEMENT. 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 21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 22 * DEALINGS IN THE SOFTWARE. 23 * 24 */ 25 26 #include <stdint.h> 27 #include <stdlib.h> 28 29 #include "util/format/u_format.h" 30 #include <util/macros.h> 31 32 #include "lima_format.h" 33 34 #define LIMA_TEXEL_FORMAT_L8 0x09 35 #define LIMA_TEXEL_FORMAT_A8 0x0a 36 #define LIMA_TEXEL_FORMAT_I8 0x0b 37 #define LIMA_TEXEL_FORMAT_BGR_565 0x0e 38 #define LIMA_TEXEL_FORMAT_BGRA_5551 0x0f 39 #define LIMA_TEXEL_FORMAT_BGRA_4444 0x10 40 #define LIMA_TEXEL_FORMAT_L8A8 0x11 41 #define LIMA_TEXEL_FORMAT_L16 0x12 42 #define LIMA_TEXEL_FORMAT_A16 0x13 43 #define LIMA_TEXEL_FORMAT_I16 0x14 44 #define LIMA_TEXEL_FORMAT_RGB_888 0x15 45 #define LIMA_TEXEL_FORMAT_RGBA_8888 0x16 46 #define LIMA_TEXEL_FORMAT_RGBX_8888 0x17 47 #define LIMA_TEXEL_FORMAT_ETC1_RGB8 0x20 48 #define LIMA_TEXEL_FORMAT_L16_FLOAT 0x22 49 #define LIMA_TEXEL_FORMAT_A16_FLOAT 0x23 50 #define LIMA_TEXEL_FORMAT_I16_FLOAT 0x24 51 #define LIMA_TEXEL_FORMAT_L16A16_FLOAT 0x25 52 #define LIMA_TEXEL_FORMAT_R16G16B16A16_FLOAT 0x26 53 #define LIMA_TEXEL_FORMAT_R16G16B16_FLOAT 0x2f 54 #define LIMA_TEXEL_FORMAT_Z24X8 0x2c 55 /* This format is only used for depth/stencil reload */ 56 #define LIMA_TEXEL_FORMAT_Z24S8_RLD 0x32 57 58 #define LIMA_PIXEL_FORMAT_B5G6R5 0x00 59 #define LIMA_PIXEL_FORMAT_B5G5R5A1 0x01 60 #define LIMA_PIXEL_FORMAT_B4G4R4A4 0x02 61 #define LIMA_PIXEL_FORMAT_B8G8R8A8 0x03 62 #define LIMA_PIXEL_FORMAT_B8 0x04 63 #define LIMA_PIXEL_FORMAT_G8B8 0x05 64 #define LIMA_PIXEL_FORMAT_B16G16R16A16_FLOAT 0x06 65 #define LIMA_PIXEL_FORMAT_B16_FLOAT 0x07 66 #define LIMA_PIXEL_FORMAT_G16B16_FLOAT 0x08 67 #define LIMA_PIXEL_FORMAT_Z16 0x0e 68 #define LIMA_PIXEL_FORMAT_Z24S8 0x0f 69 70 struct lima_format { 71 bool present; 72 int format; 73 bool swap_r_b; 74 union { 75 uint32_t channel_layout; 76 uint8_t swizzle[4]; 77 }; 78 }; 79 80 #define SWIZ(x,y,z,w) { \ 81 PIPE_SWIZZLE_##x, \ 82 PIPE_SWIZZLE_##y, \ 83 PIPE_SWIZZLE_##z, \ 84 PIPE_SWIZZLE_##w \ 85 } 86 87 #define LIMA_TEXEL_FORMAT(pipe, tex, swap, swiz) \ 88 [PIPE_FORMAT_##pipe] = { \ 89 .present = true, .format = LIMA_TEXEL_FORMAT_##tex, \ 90 .swap_r_b = swap, .swizzle = swiz \ 91 } 92 93 #define LIMA_PIXEL_FORMAT(pipe, pix, swap, ch_layout) \ 94 [PIPE_FORMAT_##pipe] = { \ 95 .present = true, .format = LIMA_PIXEL_FORMAT_##pix, \ 96 .swap_r_b = swap, .channel_layout = ch_layout \ 97 } 98 99 static const struct lima_format lima_texel_formats[] = { 100 LIMA_TEXEL_FORMAT(R8G8B8A8_UNORM, RGBA_8888, true, SWIZ(X, Y, Z, W)), 101 LIMA_TEXEL_FORMAT(B8G8R8A8_UNORM, RGBA_8888, false, SWIZ(X, Y, Z, W)), 102 LIMA_TEXEL_FORMAT(R8G8B8A8_SRGB, RGBA_8888, true, SWIZ(X, Y, Z, W)), 103 LIMA_TEXEL_FORMAT(B8G8R8A8_SRGB, RGBA_8888, false, SWIZ(X, Y, Z, W)), 104 LIMA_TEXEL_FORMAT(R8G8B8X8_UNORM, RGBX_8888, true, SWIZ(X, Y, Z, W)), 105 LIMA_TEXEL_FORMAT(B8G8R8X8_UNORM, RGBX_8888, false, SWIZ(X, Y, Z, W)), 106 LIMA_TEXEL_FORMAT(B5G6R5_UNORM, BGR_565, false, SWIZ(X, Y, Z, W)), 107 LIMA_TEXEL_FORMAT(B5G5R5A1_UNORM, BGRA_5551, false, SWIZ(X, Y, Z, W)), 108 LIMA_TEXEL_FORMAT(B4G4R4A4_UNORM, BGRA_4444, false, SWIZ(X, Y, Z, W)), 109 LIMA_TEXEL_FORMAT(Z24_UNORM_S8_UINT, Z24X8, false, SWIZ(X, Y, Z, W)), 110 LIMA_TEXEL_FORMAT(Z24X8_UNORM, Z24X8, false, SWIZ(X, Y, Z, W)), 111 LIMA_TEXEL_FORMAT(Z16_UNORM, L16, false, SWIZ(X, Y, Z, W)), 112 LIMA_TEXEL_FORMAT(L16_UNORM, L16, false, SWIZ(X, Y, Z, W)), 113 LIMA_TEXEL_FORMAT(L8_UNORM, L8, false, SWIZ(X, Y, Z, W)), 114 LIMA_TEXEL_FORMAT(A16_UNORM, A16, false, SWIZ(X, Y, Z, W)), 115 LIMA_TEXEL_FORMAT(A8_UNORM, A8, false, SWIZ(X, Y, Z, W)), 116 LIMA_TEXEL_FORMAT(I16_UNORM, I16, false, SWIZ(X, Y, Z, W)), 117 LIMA_TEXEL_FORMAT(I8_UNORM, I8, false, SWIZ(X, Y, Z, W)), 118 LIMA_TEXEL_FORMAT(L8A8_UNORM, L8A8, false, SWIZ(X, Y, Z, W)), 119 LIMA_TEXEL_FORMAT(ETC1_RGB8, ETC1_RGB8, false, SWIZ(X, Y, Z, W)), 120 LIMA_TEXEL_FORMAT(R8_UNORM, L8, false, SWIZ(X, 0, 0, 1)), 121 LIMA_TEXEL_FORMAT(R8G8_UNORM, L8A8, false, SWIZ(X, W, 0, 1)), 122 LIMA_TEXEL_FORMAT(R16G16B16_FLOAT, R16G16B16_FLOAT, true, SWIZ(X, Y, Z, W)), 123 LIMA_TEXEL_FORMAT(R16G16B16A16_FLOAT, R16G16B16A16_FLOAT, true, SWIZ(X, Y, Z, W)), 124 LIMA_TEXEL_FORMAT(L16_FLOAT, L16_FLOAT, false, SWIZ(X, Y, Z, W)), 125 LIMA_TEXEL_FORMAT(A16_FLOAT, A16_FLOAT, false, SWIZ(X, Y, Z, W)), 126 LIMA_TEXEL_FORMAT(I16_FLOAT, I16_FLOAT, false, SWIZ(X, Y, Z, W)), 127 LIMA_TEXEL_FORMAT(L16A16_FLOAT, L16A16_FLOAT, false, SWIZ(X, Y, Z, W)), 128 }; 129 130 static const struct lima_format lima_pixel_formats[] = { 131 LIMA_PIXEL_FORMAT(R8G8B8A8_UNORM, B8G8R8A8, true, 0x8888), 132 LIMA_PIXEL_FORMAT(B8G8R8A8_UNORM, B8G8R8A8, false, 0x8888), 133 LIMA_PIXEL_FORMAT(R8G8B8A8_SRGB, B8G8R8A8, true, 0x8888), 134 LIMA_PIXEL_FORMAT(B8G8R8A8_SRGB, B8G8R8A8, false, 0x8888), 135 LIMA_PIXEL_FORMAT(R8G8B8X8_UNORM, B8G8R8A8, true, 0x8888), 136 LIMA_PIXEL_FORMAT(B8G8R8X8_UNORM, B8G8R8A8, false, 0x8888), 137 LIMA_PIXEL_FORMAT(B5G6R5_UNORM, B5G6R5, false, 0x8565), 138 LIMA_PIXEL_FORMAT(B5G5R5A1_UNORM, B5G5R5A1, false, 0x8565), 139 LIMA_PIXEL_FORMAT(B4G4R4A4_UNORM, B4G4R4A4, false, 0x8444), 140 LIMA_PIXEL_FORMAT(R8_UNORM, B8, true, 0x8888), 141 LIMA_PIXEL_FORMAT(R8G8_UNORM, G8B8, true, 0x8888), 142 LIMA_PIXEL_FORMAT(Z16_UNORM, Z16, false, 0x0000), 143 LIMA_PIXEL_FORMAT(Z24_UNORM_S8_UINT, Z24S8, false, 0x0000), 144 LIMA_PIXEL_FORMAT(Z24X8_UNORM, Z24S8, false, 0x0000), 145 LIMA_PIXEL_FORMAT(R16G16B16A16_FLOAT, B16G16R16A16_FLOAT, true, 0x0000), 146 LIMA_PIXEL_FORMAT(R16_FLOAT, B16_FLOAT, true, 0x0000), 147 LIMA_PIXEL_FORMAT(R16G16_FLOAT, G16B16_FLOAT, true, 0x0000), 148 }; 149 150 static const struct lima_format * 151 get_texel_format(enum pipe_format f) 152 { 153 if (f >= ARRAY_SIZE(lima_texel_formats) || 154 !lima_texel_formats[f].present) 155 return NULL; 156 157 return lima_texel_formats + f; 158 } 159 160 static const struct lima_format * 161 get_pixel_format(enum pipe_format f) 162 { 163 if (f >= ARRAY_SIZE(lima_pixel_formats) || 164 !lima_pixel_formats[f].present) 165 return NULL; 166 167 return lima_pixel_formats + f; 168 } 169 170 bool 171 lima_format_texel_supported(enum pipe_format f) 172 { 173 const struct lima_format *lf = get_texel_format(f); 174 175 if (!lf) 176 return false; 177 178 return true; 179 } 180 181 bool 182 lima_format_pixel_supported(enum pipe_format f) 183 { 184 const struct lima_format *lf = get_pixel_format(f); 185 186 if (!lf) 187 return false; 188 189 return true; 190 } 191 192 int 193 lima_format_get_texel(enum pipe_format f) 194 { 195 return lima_texel_formats[f].format; 196 } 197 198 int 199 lima_format_get_texel_reload(enum pipe_format f) 200 { 201 switch (f) { 202 case PIPE_FORMAT_Z24_UNORM_S8_UINT: 203 case PIPE_FORMAT_Z24X8_UNORM: 204 return LIMA_TEXEL_FORMAT_Z24S8_RLD; 205 default: 206 return lima_format_get_texel(f); 207 } 208 } 209 210 int 211 lima_format_get_pixel(enum pipe_format f) 212 { 213 return lima_pixel_formats[f].format; 214 } 215 216 bool 217 lima_format_get_texel_swap_rb(enum pipe_format f) 218 { 219 return lima_texel_formats[f].swap_r_b; 220 } 221 222 bool 223 lima_format_get_pixel_swap_rb(enum pipe_format f) 224 { 225 return lima_pixel_formats[f].swap_r_b; 226 } 227 228 const uint8_t * 229 lima_format_get_texel_swizzle(enum pipe_format f) 230 { 231 return lima_texel_formats[f].swizzle; 232 } 233 234 uint32_t 235 lima_format_get_channel_layout(enum pipe_format f) 236 { 237 return lima_pixel_formats[f].channel_layout; 238 } 239
Indexes created Tue Jul 21 00:24:56 UTC 2026