1 /* 2 * Copyright 2015 Intel Corporation 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 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 21 * IN THE SOFTWARE. 22 */ 23 24 #include <assert.h> 25 26 #include "isl.h" 27 #include "common/gen_device_info.h" 28 29 struct surface_format_info { 30 bool exists; 31 uint8_t sampling; 32 uint8_t filtering; 33 uint8_t shadow_compare; 34 uint8_t chroma_key; 35 uint8_t render_target; 36 uint8_t alpha_blend; 37 uint8_t input_vb; 38 uint8_t streamed_output_vb; 39 uint8_t color_processing; 40 uint8_t lossless_compression; 41 }; 42 43 /* This macro allows us to write the table almost as it appears in the PRM, 44 * while restructuring it to turn it into the C code we want. 45 */ 46 #define SF(sampl, filt, shad, ck, rt, ab, vb, so, color, ccs_e, sf) \ 47 [ISL_FORMAT_##sf] = { true, sampl, filt, shad, ck, rt, ab, vb, so, color, ccs_e}, 48 49 #define Y 0 50 #define x 255 51 /** 52 * This is the table of support for surface (texture, renderbuffer, and vertex 53 * buffer, but not depthbuffer) formats across the various hardware generations. 54 * 55 * The table is formatted to match the documentation, except that the docs have 56 * this ridiculous mapping of Y[*+~^#&] for "supported on DevWhatever". To put 57 * it in our table, here's the mapping: 58 * 59 * Y*: 45 60 * Y+: 45 (g45/gm45) 61 * Y~: 50 (gen5) 62 * Y^: 60 (gen6) 63 * Y#: 70 (gen7) 64 * 65 * The abbreviations in the header below are: 66 * smpl - Sampling Engine 67 * filt - Sampling Engine Filtering 68 * shad - Sampling Engine Shadow Map 69 * CK - Sampling Engine Chroma Key 70 * RT - Render Target 71 * AB - Alpha Blend Render Target 72 * VB - Input Vertex Buffer 73 * SO - Steamed Output Vertex Buffers (transform feedback) 74 * color - Color Processing 75 * ccs_e - Lossless Compression Support (gen9+ only) 76 * sf - Surface Format 77 * 78 * See page 88 of the Sandybridge PRM VOL4_Part1 PDF. 79 * 80 * As of Ivybridge, the columns are no longer in that table and the 81 * information can be found spread across: 82 * 83 * - VOL2_Part1 section 2.5.11 Format Conversion (vertex fetch). 84 * - VOL4_Part1 section 2.12.2.1.2 Sampler Output Channel Mapping. 85 * - VOL4_Part1 section 3.9.11 Render Target Write. 86 * - Render Target Surface Types [SKL+] 87 */ 88 static const struct surface_format_info format_info[] = { 89 /* smpl filt shad CK RT AB VB SO color ccs_e */ 90 SF( Y, 50, x, x, Y, Y, Y, Y, x, 90, R32G32B32A32_FLOAT) 91 SF( Y, x, x, x, Y, x, Y, Y, x, 90, R32G32B32A32_SINT) 92 SF( Y, x, x, x, Y, x, Y, Y, x, 90, R32G32B32A32_UINT) 93 SF( x, x, x, x, x, x, Y, x, x, x, R32G32B32A32_UNORM) 94 SF( x, x, x, x, x, x, Y, x, x, x, R32G32B32A32_SNORM) 95 SF( x, x, x, x, x, x, Y, x, x, x, R64G64_FLOAT) 96 SF( Y, 50, x, x, x, x, x, x, x, x, R32G32B32X32_FLOAT) 97 SF( x, x, x, x, x, x, Y, x, x, x, R32G32B32A32_SSCALED) 98 SF( x, x, x, x, x, x, Y, x, x, x, R32G32B32A32_USCALED) 99 SF( x, x, x, x, x, x, 75, x, x, x, R32G32B32A32_SFIXED) 100 SF( x, x, x, x, x, x, 80, x, x, x, R64G64_PASSTHRU) 101 SF( Y, 50, x, x, x, x, Y, Y, x, x, R32G32B32_FLOAT) 102 SF( Y, x, x, x, x, x, Y, Y, x, x, R32G32B32_SINT) 103 SF( Y, x, x, x, x, x, Y, Y, x, x, R32G32B32_UINT) 104 SF( x, x, x, x, x, x, Y, x, x, x, R32G32B32_UNORM) 105 SF( x, x, x, x, x, x, Y, x, x, x, R32G32B32_SNORM) 106 SF( x, x, x, x, x, x, Y, x, x, x, R32G32B32_SSCALED) 107 SF( x, x, x, x, x, x, Y, x, x, x, R32G32B32_USCALED) 108 SF( x, x, x, x, x, x, 75, x, x, x, R32G32B32_SFIXED) 109 SF( Y, Y, x, x, Y, 45, Y, x, 60, 90, R16G16B16A16_UNORM) 110 SF( Y, Y, x, x, Y, 60, Y, x, x, 90, R16G16B16A16_SNORM) 111 SF( Y, x, x, x, Y, x, Y, x, x, 90, R16G16B16A16_SINT) 112 SF( Y, x, x, x, Y, x, Y, x, x, 90, R16G16B16A16_UINT) 113 SF( Y, Y, x, x, Y, Y, Y, x, x, 90, R16G16B16A16_FLOAT) 114 SF( Y, 50, x, x, Y, Y, Y, Y, x, 90, R32G32_FLOAT) 115 SF( Y, 70, x, x, Y, Y, Y, Y, x, x, R32G32_FLOAT_LD) 116 SF( Y, x, x, x, Y, x, Y, Y, x, 90, R32G32_SINT) 117 SF( Y, x, x, x, Y, x, Y, Y, x, 90, R32G32_UINT) 118 SF( Y, 50, Y, x, x, x, x, x, x, x, R32_FLOAT_X8X24_TYPELESS) 119 SF( Y, x, x, x, x, x, x, x, x, x, X32_TYPELESS_G8X24_UINT) 120 SF( Y, 50, x, x, x, x, x, x, x, x, L32A32_FLOAT) 121 SF( x, x, x, x, x, x, Y, x, x, x, R32G32_UNORM) 122 SF( x, x, x, x, x, x, Y, x, x, x, R32G32_SNORM) 123 SF( x, x, x, x, x, x, Y, x, x, x, R64_FLOAT) 124 SF( Y, Y, x, x, x, x, x, x, x, x, R16G16B16X16_UNORM) 125 SF( Y, Y, x, x, x, x, x, x, x, 90, R16G16B16X16_FLOAT) 126 SF( Y, 50, x, x, x, x, x, x, x, x, A32X32_FLOAT) 127 SF( Y, 50, x, x, x, x, x, x, x, x, L32X32_FLOAT) 128 SF( Y, 50, x, x, x, x, x, x, x, x, I32X32_FLOAT) 129 SF( x, x, x, x, x, x, Y, x, x, x, R16G16B16A16_SSCALED) 130 SF( x, x, x, x, x, x, Y, x, x, x, R16G16B16A16_USCALED) 131 SF( x, x, x, x, x, x, Y, x, x, x, R32G32_SSCALED) 132 SF( x, x, x, x, x, x, Y, x, x, x, R32G32_USCALED) 133 SF( x, x, x, x, x, x, 75, x, x, x, R32G32_SFIXED) 134 SF( x, x, x, x, x, x, 80, x, x, x, R64_PASSTHRU) 135 SF( Y, Y, x, Y, Y, Y, Y, x, 60, 90, B8G8R8A8_UNORM) 136 SF( Y, Y, x, x, Y, Y, x, x, x, x, B8G8R8A8_UNORM_SRGB) 137 /* smpl filt shad CK RT AB VB SO color ccs_e */ 138 SF( Y, Y, x, x, Y, Y, Y, x, 60, x, R10G10B10A2_UNORM) 139 SF( Y, Y, x, x, x, x, x, x, 60, x, R10G10B10A2_UNORM_SRGB) 140 SF( Y, x, x, x, Y, x, Y, x, x, x, R10G10B10A2_UINT) 141 SF( Y, Y, x, x, x, x, Y, x, x, x, R10G10B10_SNORM_A2_UNORM) 142 SF( Y, Y, x, x, Y, Y, Y, x, 60, 90, R8G8B8A8_UNORM) 143 SF( Y, Y, x, x, Y, Y, x, x, 60, x, R8G8B8A8_UNORM_SRGB) 144 SF( Y, Y, x, x, Y, 60, Y, x, x, 90, R8G8B8A8_SNORM) 145 SF( Y, x, x, x, Y, x, Y, x, x, 90, R8G8B8A8_SINT) 146 SF( Y, x, x, x, Y, x, Y, x, x, 90, R8G8B8A8_UINT) 147 SF( Y, Y, x, x, Y, 45, Y, x, x, 90, R16G16_UNORM) 148 SF( Y, Y, x, x, Y, 60, Y, x, x, 90, R16G16_SNORM) 149 SF( Y, x, x, x, Y, x, Y, x, x, 90, R16G16_SINT) 150 SF( Y, x, x, x, Y, x, Y, x, x, 90, R16G16_UINT) 151 SF( Y, Y, x, x, Y, Y, Y, x, x, 90, R16G16_FLOAT) 152 SF( Y, Y, x, x, Y, Y, 75, x, 60, x, B10G10R10A2_UNORM) 153 SF( Y, Y, x, x, Y, Y, x, x, 60, x, B10G10R10A2_UNORM_SRGB) 154 SF( Y, Y, x, x, Y, Y, Y, x, x, x, R11G11B10_FLOAT) 155 SF( Y, x, x, x, Y, x, Y, Y, x, 90, R32_SINT) 156 SF( Y, x, x, x, Y, x, Y, Y, x, 90, R32_UINT) 157 SF( Y, 50, Y, x, Y, Y, Y, Y, x, 90, R32_FLOAT) 158 SF( Y, 50, Y, x, x, x, x, x, x, x, R24_UNORM_X8_TYPELESS) 159 SF( Y, x, x, x, x, x, x, x, x, x, X24_TYPELESS_G8_UINT) 160 SF( Y, Y, x, x, x, x, x, x, x, x, L16A16_UNORM) 161 SF( Y, 50, Y, x, x, x, x, x, x, x, I24X8_UNORM) 162 SF( Y, 50, Y, x, x, x, x, x, x, x, L24X8_UNORM) 163 SF( Y, 50, Y, x, x, x, x, x, x, x, A24X8_UNORM) 164 SF( Y, 50, Y, x, x, x, x, x, x, x, I32_FLOAT) 165 SF( Y, 50, Y, x, x, x, x, x, x, x, L32_FLOAT) 166 SF( Y, 50, Y, x, x, x, x, x, x, x, A32_FLOAT) 167 SF( Y, Y, x, Y, 80, 80, x, x, 60, 90, B8G8R8X8_UNORM) 168 SF( Y, Y, x, x, 80, 80, x, x, x, x, B8G8R8X8_UNORM_SRGB) 169 SF( Y, Y, x, x, x, x, x, x, x, x, R8G8B8X8_UNORM) 170 SF( Y, Y, x, x, x, x, x, x, x, x, R8G8B8X8_UNORM_SRGB) 171 SF( Y, Y, x, x, x, x, x, x, x, x, R9G9B9E5_SHAREDEXP) 172 SF( Y, Y, x, x, x, x, x, x, x, x, B10G10R10X2_UNORM) 173 SF( Y, Y, x, x, x, x, x, x, x, x, L16A16_FLOAT) 174 SF( x, x, x, x, x, x, Y, x, x, x, R32_UNORM) 175 SF( x, x, x, x, x, x, Y, x, x, x, R32_SNORM) 176 /* smpl filt shad CK RT AB VB SO color ccs_e */ 177 SF( x, x, x, x, x, x, Y, x, x, x, R10G10B10X2_USCALED) 178 SF( x, x, x, x, x, x, Y, x, x, x, R8G8B8A8_SSCALED) 179 SF( x, x, x, x, x, x, Y, x, x, x, R8G8B8A8_USCALED) 180 SF( x, x, x, x, x, x, Y, x, x, x, R16G16_SSCALED) 181 SF( x, x, x, x, x, x, Y, x, x, x, R16G16_USCALED) 182 SF( x, x, x, x, x, x, Y, x, x, x, R32_SSCALED) 183 SF( x, x, x, x, x, x, Y, x, x, x, R32_USCALED) 184 SF( Y, Y, x, Y, Y, Y, x, x, x, x, B5G6R5_UNORM) 185 SF( Y, Y, x, x, Y, Y, x, x, x, x, B5G6R5_UNORM_SRGB) 186 SF( Y, Y, x, Y, Y, Y, x, x, x, x, B5G5R5A1_UNORM) 187 SF( Y, Y, x, x, Y, Y, x, x, x, x, B5G5R5A1_UNORM_SRGB) 188 SF( Y, Y, x, Y, Y, Y, x, x, x, x, B4G4R4A4_UNORM) 189 SF( Y, Y, x, x, Y, Y, x, x, x, x, B4G4R4A4_UNORM_SRGB) 190 SF( Y, Y, x, x, Y, Y, Y, x, x, x, R8G8_UNORM) 191 SF( Y, Y, x, Y, Y, 60, Y, x, x, x, R8G8_SNORM) 192 SF( Y, x, x, x, Y, x, Y, x, x, x, R8G8_SINT) 193 SF( Y, x, x, x, Y, x, Y, x, x, x, R8G8_UINT) 194 SF( Y, Y, Y, x, Y, 45, Y, x, 70, x, R16_UNORM) 195 SF( Y, Y, x, x, Y, 60, Y, x, x, x, R16_SNORM) 196 SF( Y, x, x, x, Y, x, Y, x, x, x, R16_SINT) 197 SF( Y, x, x, x, Y, x, Y, x, x, x, R16_UINT) 198 SF( Y, Y, x, x, Y, Y, Y, x, x, x, R16_FLOAT) 199 SF(50, 50, x, x, x, x, x, x, x, x, A8P8_UNORM_PALETTE0) 200 SF(50, 50, x, x, x, x, x, x, x, x, A8P8_UNORM_PALETTE1) 201 SF( Y, Y, Y, x, x, x, x, x, x, x, I16_UNORM) 202 SF( Y, Y, Y, x, x, x, x, x, x, x, L16_UNORM) 203 SF( Y, Y, Y, x, x, x, x, x, x, x, A16_UNORM) 204 SF( Y, Y, x, Y, x, x, x, x, x, x, L8A8_UNORM) 205 SF( Y, Y, Y, x, x, x, x, x, x, x, I16_FLOAT) 206 SF( Y, Y, Y, x, x, x, x, x, x, x, L16_FLOAT) 207 SF( Y, Y, Y, x, x, x, x, x, x, x, A16_FLOAT) 208 SF(45, 45, x, x, x, x, x, x, x, x, L8A8_UNORM_SRGB) 209 SF( Y, Y, x, Y, x, x, x, x, x, x, R5G5_SNORM_B6_UNORM) 210 SF( x, x, x, x, Y, Y, x, x, x, x, B5G5R5X1_UNORM) 211 SF( x, x, x, x, Y, Y, x, x, x, x, B5G5R5X1_UNORM_SRGB) 212 SF( x, x, x, x, x, x, Y, x, x, x, R8G8_SSCALED) 213 SF( x, x, x, x, x, x, Y, x, x, x, R8G8_USCALED) 214 /* smpl filt shad CK RT AB VB SO color ccs_e */ 215 SF( x, x, x, x, x, x, Y, x, x, x, R16_SSCALED) 216 SF( x, x, x, x, x, x, Y, x, x, x, R16_USCALED) 217 SF(50, 50, x, x, x, x, x, x, x, x, P8A8_UNORM_PALETTE0) 218 SF(50, 50, x, x, x, x, x, x, x, x, P8A8_UNORM_PALETTE1) 219 SF( x, x, x, x, x, x, x, x, x, x, A1B5G5R5_UNORM) 220 /* According to the PRM, A4B4G4R4_UNORM isn't supported until Sky Lake 221 * but empirical testing indicates that at least sampling works just fine 222 * on Broadwell. 223 */ 224 SF(80, 80, x, x, 90, x, x, x, x, x, A4B4G4R4_UNORM) 225 SF(90, x, x, x, x, x, x, x, x, x, L8A8_UINT) 226 SF(90, x, x, x, x, x, x, x, x, x, L8A8_SINT) 227 SF( Y, Y, x, 45, Y, Y, Y, x, x, x, R8_UNORM) 228 SF( Y, Y, x, x, Y, 60, Y, x, x, x, R8_SNORM) 229 SF( Y, x, x, x, Y, x, Y, x, x, x, R8_SINT) 230 SF( Y, x, x, x, Y, x, Y, x, x, x, R8_UINT) 231 SF( Y, Y, x, Y, Y, Y, x, x, x, x, A8_UNORM) 232 SF( Y, Y, x, x, x, x, x, x, x, x, I8_UNORM) 233 SF( Y, Y, x, Y, x, x, x, x, x, x, L8_UNORM) 234 SF( Y, Y, x, x, x, x, x, x, x, x, P4A4_UNORM_PALETTE0) 235 SF( Y, Y, x, x, x, x, x, x, x, x, A4P4_UNORM_PALETTE0) 236 SF( x, x, x, x, x, x, Y, x, x, x, R8_SSCALED) 237 SF( x, x, x, x, x, x, Y, x, x, x, R8_USCALED) 238 SF(45, 45, x, x, x, x, x, x, x, x, P8_UNORM_PALETTE0) 239 SF(45, 45, x, x, x, x, x, x, x, x, L8_UNORM_SRGB) 240 SF(45, 45, x, x, x, x, x, x, x, x, P8_UNORM_PALETTE1) 241 SF(45, 45, x, x, x, x, x, x, x, x, P4A4_UNORM_PALETTE1) 242 SF(45, 45, x, x, x, x, x, x, x, x, A4P4_UNORM_PALETTE1) 243 SF( x, x, x, x, x, x, x, x, x, x, Y8_UNORM) 244 SF(90, x, x, x, x, x, x, x, x, x, L8_UINT) 245 SF(90, x, x, x, x, x, x, x, x, x, L8_SINT) 246 SF(90, x, x, x, x, x, x, x, x, x, I8_UINT) 247 SF(90, x, x, x, x, x, x, x, x, x, I8_SINT) 248 SF(45, 45, x, x, x, x, x, x, x, x, DXT1_RGB_SRGB) 249 SF( Y, Y, x, x, x, x, x, x, x, x, R1_UNORM) 250 SF( Y, Y, x, Y, Y, x, x, x, 60, x, YCRCB_NORMAL) 251 SF( Y, Y, x, Y, Y, x, x, x, 60, x, YCRCB_SWAPUVY) 252 SF(45, 45, x, x, x, x, x, x, x, x, P2_UNORM_PALETTE0) 253 SF(45, 45, x, x, x, x, x, x, x, x, P2_UNORM_PALETTE1) 254 SF( Y, Y, x, Y, x, x, x, x, x, x, BC1_UNORM) 255 SF( Y, Y, x, Y, x, x, x, x, x, x, BC2_UNORM) 256 SF( Y, Y, x, Y, x, x, x, x, x, x, BC3_UNORM) 257 SF( Y, Y, x, x, x, x, x, x, x, x, BC4_UNORM) 258 SF( Y, Y, x, x, x, x, x, x, x, x, BC5_UNORM) 259 SF( Y, Y, x, x, x, x, x, x, x, x, BC1_UNORM_SRGB) 260 SF( Y, Y, x, x, x, x, x, x, x, x, BC2_UNORM_SRGB) 261 SF( Y, Y, x, x, x, x, x, x, x, x, BC3_UNORM_SRGB) 262 SF( Y, x, x, x, x, x, x, x, x, x, MONO8) 263 SF( Y, Y, x, x, Y, x, x, x, 60, x, YCRCB_SWAPUV) 264 SF( Y, Y, x, x, Y, x, x, x, 60, x, YCRCB_SWAPY) 265 SF( Y, Y, x, x, x, x, x, x, x, x, DXT1_RGB) 266 /* smpl filt shad CK RT AB VB SO color ccs_e */ 267 SF( Y, Y, x, x, x, x, x, x, x, x, FXT1) 268 SF(75, 75, x, x, x, x, Y, x, x, x, R8G8B8_UNORM) 269 SF(75, 75, x, x, x, x, Y, x, x, x, R8G8B8_SNORM) 270 SF( x, x, x, x, x, x, Y, x, x, x, R8G8B8_SSCALED) 271 SF( x, x, x, x, x, x, Y, x, x, x, R8G8B8_USCALED) 272 SF( x, x, x, x, x, x, Y, x, x, x, R64G64B64A64_FLOAT) 273 SF( x, x, x, x, x, x, Y, x, x, x, R64G64B64_FLOAT) 274 SF( Y, Y, x, x, x, x, x, x, x, x, BC4_SNORM) 275 SF( Y, Y, x, x, x, x, x, x, x, x, BC5_SNORM) 276 SF(50, 50, x, x, x, x, 60, x, x, x, R16G16B16_FLOAT) 277 SF(75, 75, x, x, x, x, Y, x, x, x, R16G16B16_UNORM) 278 SF(75, 75, x, x, x, x, Y, x, x, x, R16G16B16_SNORM) 279 SF( x, x, x, x, x, x, Y, x, x, x, R16G16B16_SSCALED) 280 SF( x, x, x, x, x, x, Y, x, x, x, R16G16B16_USCALED) 281 SF(70, 70, x, x, x, x, x, x, x, x, BC6H_SF16) 282 SF(70, 70, x, x, x, x, x, x, x, x, BC7_UNORM) 283 SF(70, 70, x, x, x, x, x, x, x, x, BC7_UNORM_SRGB) 284 SF(70, 70, x, x, x, x, x, x, x, x, BC6H_UF16) 285 SF( x, x, x, x, x, x, x, x, x, x, PLANAR_420_8) 286 SF(75, 75, x, x, x, x, x, x, x, x, R8G8B8_UNORM_SRGB) 287 SF(80, 80, x, x, x, x, x, x, x, x, ETC1_RGB8) 288 SF(80, 80, x, x, x, x, x, x, x, x, ETC2_RGB8) 289 SF(80, 80, x, x, x, x, x, x, x, x, EAC_R11) 290 SF(80, 80, x, x, x, x, x, x, x, x, EAC_RG11) 291 SF(80, 80, x, x, x, x, x, x, x, x, EAC_SIGNED_R11) 292 SF(80, 80, x, x, x, x, x, x, x, x, EAC_SIGNED_RG11) 293 SF(80, 80, x, x, x, x, x, x, x, x, ETC2_SRGB8) 294 SF(90, x, x, x, x, x, 75, x, x, x, R16G16B16_UINT) 295 SF(90, x, x, x, x, x, 75, x, x, x, R16G16B16_SINT) 296 SF( x, x, x, x, x, x, 75, x, x, x, R32_SFIXED) 297 SF( x, x, x, x, x, x, 75, x, x, x, R10G10B10A2_SNORM) 298 SF( x, x, x, x, x, x, 75, x, x, x, R10G10B10A2_USCALED) 299 SF( x, x, x, x, x, x, 75, x, x, x, R10G10B10A2_SSCALED) 300 SF( x, x, x, x, x, x, 75, x, x, x, R10G10B10A2_SINT) 301 SF( x, x, x, x, x, x, 75, x, x, x, B10G10R10A2_SNORM) 302 SF( x, x, x, x, x, x, 75, x, x, x, B10G10R10A2_USCALED) 303 SF( x, x, x, x, x, x, 75, x, x, x, B10G10R10A2_SSCALED) 304 SF( x, x, x, x, x, x, 75, x, x, x, B10G10R10A2_UINT) 305 SF( x, x, x, x, x, x, 75, x, x, x, B10G10R10A2_SINT) 306 SF( x, x, x, x, x, x, 80, x, x, x, R64G64B64A64_PASSTHRU) 307 SF( x, x, x, x, x, x, 80, x, x, x, R64G64B64_PASSTHRU) 308 SF(80, 80, x, x, x, x, x, x, x, x, ETC2_RGB8_PTA) 309 SF(80, 80, x, x, x, x, x, x, x, x, ETC2_SRGB8_PTA) 310 SF(80, 80, x, x, x, x, x, x, x, x, ETC2_EAC_RGBA8) 311 SF(80, 80, x, x, x, x, x, x, x, x, ETC2_EAC_SRGB8_A8) 312 SF(90, x, x, x, x, x, 75, x, x, x, R8G8B8_UINT) 313 SF(90, x, x, x, x, x, 75, x, x, x, R8G8B8_SINT) 314 SF(90, 90, x, x, x, x, x, x, x, x, ASTC_LDR_2D_4X4_FLT16) 315 SF(90, 90, x, x, x, x, x, x, x, x, ASTC_LDR_2D_5X4_FLT16) 316 SF(90, 90, x, x, x, x, x, x, x, x, ASTC_LDR_2D_5X5_FLT16) 317 SF(90, 90, x, x, x, x, x, x, x, x, ASTC_LDR_2D_6X5_FLT16) 318 SF(90, 90, x, x, x, x, x, x, x, x, ASTC_LDR_2D_6X6_FLT16) 319 SF(90, 90, x, x, x, x, x, x, x, x, ASTC_LDR_2D_8X5_FLT16) 320 SF(90, 90, x, x, x, x, x, x, x, x, ASTC_LDR_2D_8X6_FLT16) 321 SF(90, 90, x, x, x, x, x, x, x, x, ASTC_LDR_2D_8X8_FLT16) 322 SF(90, 90, x, x, x, x, x, x, x, x, ASTC_LDR_2D_10X5_FLT16) 323 SF(90, 90, x, x, x, x, x, x, x, x, ASTC_LDR_2D_10X6_FLT16) 324 SF(90, 90, x, x, x, x, x, x, x, x, ASTC_LDR_2D_10X8_FLT16) 325 SF(90, 90, x, x, x, x, x, x, x, x, ASTC_LDR_2D_10X10_FLT16) 326 SF(90, 90, x, x, x, x, x, x, x, x, ASTC_LDR_2D_12X10_FLT16) 327 SF(90, 90, x, x, x, x, x, x, x, x, ASTC_LDR_2D_12X12_FLT16) 328 SF(90, 90, x, x, x, x, x, x, x, x, ASTC_LDR_2D_4X4_U8SRGB) 329 SF(90, 90, x, x, x, x, x, x, x, x, ASTC_LDR_2D_5X4_U8SRGB) 330 SF(90, 90, x, x, x, x, x, x, x, x, ASTC_LDR_2D_5X5_U8SRGB) 331 SF(90, 90, x, x, x, x, x, x, x, x, ASTC_LDR_2D_6X5_U8SRGB) 332 SF(90, 90, x, x, x, x, x, x, x, x, ASTC_LDR_2D_6X6_U8SRGB) 333 SF(90, 90, x, x, x, x, x, x, x, x, ASTC_LDR_2D_8X5_U8SRGB) 334 SF(90, 90, x, x, x, x, x, x, x, x, ASTC_LDR_2D_8X6_U8SRGB) 335 SF(90, 90, x, x, x, x, x, x, x, x, ASTC_LDR_2D_8X8_U8SRGB) 336 SF(90, 90, x, x, x, x, x, x, x, x, ASTC_LDR_2D_10X5_U8SRGB) 337 SF(90, 90, x, x, x, x, x, x, x, x, ASTC_LDR_2D_10X6_U8SRGB) 338 SF(90, 90, x, x, x, x, x, x, x, x, ASTC_LDR_2D_10X8_U8SRGB) 339 SF(90, 90, x, x, x, x, x, x, x, x, ASTC_LDR_2D_10X10_U8SRGB) 340 SF(90, 90, x, x, x, x, x, x, x, x, ASTC_LDR_2D_12X10_U8SRGB) 341 SF(90, 90, x, x, x, x, x, x, x, x, ASTC_LDR_2D_12X12_U8SRGB) 342 }; 343 #undef x 344 #undef Y 345 346 static unsigned 347 format_gen(const struct gen_device_info *devinfo) 348 { 349 return devinfo->gen * 10 + (devinfo->is_g4x || devinfo->is_haswell) * 5; 350 } 351 352 bool 353 isl_format_supports_rendering(const struct gen_device_info *devinfo, 354 enum isl_format format) 355 { 356 if (!format_info[format].exists) 357 return false; 358 359 return format_gen(devinfo) >= format_info[format].render_target; 360 } 361 362 bool 363 isl_format_supports_alpha_blending(const struct gen_device_info *devinfo, 364 enum isl_format format) 365 { 366 if (!format_info[format].exists) 367 return false; 368 369 return format_gen(devinfo) >= format_info[format].alpha_blend; 370 } 371 372 bool 373 isl_format_supports_sampling(const struct gen_device_info *devinfo, 374 enum isl_format format) 375 { 376 if (!format_info[format].exists) 377 return false; 378 379 if (devinfo->is_baytrail) { 380 const struct isl_format_layout *fmtl = isl_format_get_layout(format); 381 /* Support for ETC1 and ETC2 exists on Bay Trail even though big-core 382 * GPUs didn't get it until Broadwell. 383 */ 384 if (fmtl->txc == ISL_TXC_ETC1 || fmtl->txc == ISL_TXC_ETC2) 385 return true; 386 } else if (devinfo->is_cherryview) { 387 const struct isl_format_layout *fmtl = isl_format_get_layout(format); 388 /* Support for ASTC exists on Cherry View even though big-core 389 * GPUs didn't get it until Skylake. 390 */ 391 if (fmtl->txc == ISL_TXC_ASTC) 392 return true; 393 } 394 395 return format_gen(devinfo) >= format_info[format].sampling; 396 } 397 398 bool 399 isl_format_supports_filtering(const struct gen_device_info *devinfo, 400 enum isl_format format) 401 { 402 if (!format_info[format].exists) 403 return false; 404 405 if (devinfo->is_baytrail) { 406 const struct isl_format_layout *fmtl = isl_format_get_layout(format); 407 /* Support for ETC1 and ETC2 exists on Bay Trail even though big-core 408 * GPUs didn't get it until Broadwell. 409 */ 410 if (fmtl->txc == ISL_TXC_ETC1 || fmtl->txc == ISL_TXC_ETC2) 411 return true; 412 } else if (devinfo->is_cherryview) { 413 const struct isl_format_layout *fmtl = isl_format_get_layout(format); 414 /* Support for ASTC exists on Cherry View even though big-core 415 * GPUs didn't get it until Skylake. 416 */ 417 if (fmtl->txc == ISL_TXC_ASTC) 418 return true; 419 } 420 421 return format_gen(devinfo) >= format_info[format].filtering; 422 } 423 424 bool 425 isl_format_supports_vertex_fetch(const struct gen_device_info *devinfo, 426 enum isl_format format) 427 { 428 if (!format_info[format].exists) 429 return false; 430 431 /* For vertex fetch, Bay Trail supports the same set of formats as Haswell 432 * but is a superset of Ivy Bridge. 433 */ 434 if (devinfo->is_baytrail) 435 return 75 >= format_info[format].input_vb; 436 437 return format_gen(devinfo) >= format_info[format].input_vb; 438 } 439 440 bool 441 isl_format_supports_lossless_compression(const struct gen_device_info *devinfo, 442 enum isl_format format) 443 { 444 if (!format_info[format].exists) 445 return false; 446 447 return format_gen(devinfo) >= format_info[format].lossless_compression; 448 } 449 450 bool 451 isl_format_supports_multisampling(const struct gen_device_info *devinfo, 452 enum isl_format format) 453 { 454 /* From the Sandybridge PRM, Volume 4 Part 1 p72, SURFACE_STATE, Surface 455 * Format: 456 * 457 * If Number of Multisamples is set to a value other than 458 * MULTISAMPLECOUNT_1, this field cannot be set to the following 459 * formats: 460 * 461 * - any format with greater than 64 bits per element 462 * - any compressed texture format (BC*) 463 * - any YCRCB* format 464 * 465 * The restriction on the format's size is removed on Broadwell. Also, 466 * there is an exception for HiZ which we treat as a compressed format and 467 * is allowed to be multisampled on Broadwell and earlier. 468 */ 469 if (format == ISL_FORMAT_HIZ) { 470 /* On SKL+, HiZ is always single-sampled even when the primary surface 471 * is multisampled. See also isl_surf_get_hiz_surf(). 472 */ 473 return devinfo->gen <= 8; 474 } else if (devinfo->gen < 8 && isl_format_get_layout(format)->bpb > 64) { 475 return false; 476 } else if (isl_format_is_compressed(format)) { 477 return false; 478 } else if (isl_format_is_yuv(format)) { 479 return false; 480 } else { 481 return true; 482 } 483 } 484 485 static inline bool 486 isl_format_has_channel_type(enum isl_format fmt, enum isl_base_type type) 487 { 488 const struct isl_format_layout *fmtl = isl_format_get_layout(fmt); 489 490 return fmtl->channels.r.type == type || 491 fmtl->channels.g.type == type || 492 fmtl->channels.b.type == type || 493 fmtl->channels.a.type == type || 494 fmtl->channels.l.type == type || 495 fmtl->channels.i.type == type || 496 fmtl->channels.p.type == type; 497 } 498 499 bool 500 isl_format_has_unorm_channel(enum isl_format fmt) 501 { 502 return isl_format_has_channel_type(fmt, ISL_UNORM); 503 } 504 505 bool 506 isl_format_has_snorm_channel(enum isl_format fmt) 507 { 508 return isl_format_has_channel_type(fmt, ISL_SNORM); 509 } 510 511 bool 512 isl_format_has_ufloat_channel(enum isl_format fmt) 513 { 514 return isl_format_has_channel_type(fmt, ISL_UFLOAT); 515 } 516 517 bool 518 isl_format_has_sfloat_channel(enum isl_format fmt) 519 { 520 return isl_format_has_channel_type(fmt, ISL_SFLOAT); 521 } 522 523 bool 524 isl_format_has_uint_channel(enum isl_format fmt) 525 { 526 return isl_format_has_channel_type(fmt, ISL_UINT); 527 } 528 529 bool 530 isl_format_has_sint_channel(enum isl_format fmt) 531 { 532 return isl_format_has_channel_type(fmt, ISL_SINT); 533 } 534 535 unsigned 536 isl_format_get_num_channels(enum isl_format fmt) 537 { 538 const struct isl_format_layout *fmtl = isl_format_get_layout(fmt); 539 540 assert(fmtl->channels.p.bits == 0); 541 542 return (fmtl->channels.r.bits > 0) + 543 (fmtl->channels.g.bits > 0) + 544 (fmtl->channels.b.bits > 0) + 545 (fmtl->channels.a.bits > 0) + 546 (fmtl->channels.l.bits > 0) + 547 (fmtl->channels.i.bits > 0); 548 } 549 550 uint32_t 551 isl_format_get_depth_format(enum isl_format fmt, bool has_stencil) 552 { 553 switch (fmt) { 554 default: 555 unreachable("bad isl depth format"); 556 case ISL_FORMAT_R32_FLOAT_X8X24_TYPELESS: 557 assert(has_stencil); 558 return 0; /* D32_FLOAT_S8X24_UINT */ 559 case ISL_FORMAT_R32_FLOAT: 560 assert(!has_stencil); 561 return 1; /* D32_FLOAT */ 562 case ISL_FORMAT_R24_UNORM_X8_TYPELESS: 563 if (has_stencil) { 564 return 2; /* D24_UNORM_S8_UINT */ 565 } else { 566 return 3; /* D24_UNORM_X8_UINT */ 567 } 568 case ISL_FORMAT_R16_UNORM: 569 assert(!has_stencil); 570 return 5; /* D16_UNORM */ 571 } 572 } 573 574 enum isl_format 575 isl_format_rgb_to_rgba(enum isl_format rgb) 576 { 577 assert(isl_format_is_rgb(rgb)); 578 579 switch (rgb) { 580 case ISL_FORMAT_R32G32B32_FLOAT: return ISL_FORMAT_R32G32B32A32_FLOAT; 581 case ISL_FORMAT_R32G32B32_SINT: return ISL_FORMAT_R32G32B32A32_SINT; 582 case ISL_FORMAT_R32G32B32_UINT: return ISL_FORMAT_R32G32B32A32_UINT; 583 case ISL_FORMAT_R32G32B32_UNORM: return ISL_FORMAT_R32G32B32A32_UNORM; 584 case ISL_FORMAT_R32G32B32_SNORM: return ISL_FORMAT_R32G32B32A32_SNORM; 585 case ISL_FORMAT_R32G32B32_SSCALED: return ISL_FORMAT_R32G32B32A32_SSCALED; 586 case ISL_FORMAT_R32G32B32_USCALED: return ISL_FORMAT_R32G32B32A32_USCALED; 587 case ISL_FORMAT_R32G32B32_SFIXED: return ISL_FORMAT_R32G32B32A32_SFIXED; 588 case ISL_FORMAT_R8G8B8_UNORM: return ISL_FORMAT_R8G8B8A8_UNORM; 589 case ISL_FORMAT_R8G8B8_SNORM: return ISL_FORMAT_R8G8B8A8_SNORM; 590 case ISL_FORMAT_R8G8B8_SSCALED: return ISL_FORMAT_R8G8B8A8_SSCALED; 591 case ISL_FORMAT_R8G8B8_USCALED: return ISL_FORMAT_R8G8B8A8_USCALED; 592 case ISL_FORMAT_R16G16B16_FLOAT: return ISL_FORMAT_R16G16B16A16_FLOAT; 593 case ISL_FORMAT_R16G16B16_UNORM: return ISL_FORMAT_R16G16B16A16_UNORM; 594 case ISL_FORMAT_R16G16B16_SNORM: return ISL_FORMAT_R16G16B16A16_SNORM; 595 case ISL_FORMAT_R16G16B16_SSCALED: return ISL_FORMAT_R16G16B16A16_SSCALED; 596 case ISL_FORMAT_R16G16B16_USCALED: return ISL_FORMAT_R16G16B16A16_USCALED; 597 case ISL_FORMAT_R8G8B8_UNORM_SRGB: return ISL_FORMAT_R8G8B8A8_UNORM_SRGB; 598 case ISL_FORMAT_R16G16B16_UINT: return ISL_FORMAT_R16G16B16A16_UINT; 599 case ISL_FORMAT_R16G16B16_SINT: return ISL_FORMAT_R16G16B16A16_SINT; 600 case ISL_FORMAT_R8G8B8_UINT: return ISL_FORMAT_R8G8B8A8_UINT; 601 case ISL_FORMAT_R8G8B8_SINT: return ISL_FORMAT_R8G8B8A8_SINT; 602 default: 603 return ISL_FORMAT_UNSUPPORTED; 604 } 605 } 606 607 enum isl_format 608 isl_format_rgb_to_rgbx(enum isl_format rgb) 609 { 610 assert(isl_format_is_rgb(rgb)); 611 612 switch (rgb) { 613 case ISL_FORMAT_R32G32B32_FLOAT: 614 return ISL_FORMAT_R32G32B32X32_FLOAT; 615 case ISL_FORMAT_R16G16B16_UNORM: 616 return ISL_FORMAT_R16G16B16X16_UNORM; 617 case ISL_FORMAT_R16G16B16_FLOAT: 618 return ISL_FORMAT_R16G16B16X16_FLOAT; 619 case ISL_FORMAT_R8G8B8_UNORM: 620 return ISL_FORMAT_R8G8B8X8_UNORM; 621 case ISL_FORMAT_R8G8B8_UNORM_SRGB: 622 return ISL_FORMAT_R8G8B8X8_UNORM_SRGB; 623 default: 624 return ISL_FORMAT_UNSUPPORTED; 625 } 626 } 627
