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intel/nir: Lower things with > 4 components in lower_mem_access_bit_sizes
[mesa.git] / src / intel / isl / isl_format.c
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 "isl_priv.h"
28 #include "dev/gen_device_info.h"
29
30 #include "main/macros.h" /* Needed for MAX3 and MAX2 for format_rgb9e5 */
31 #include "util/format_srgb.h"
32 #include "util/format_rgb9e5.h"
33 #include "util/format_r11g11b10f.h"
34
35 /* Header-only format conversion include */
36 #include "main/format_utils.h"
37
38 struct surface_format_info {
39 bool exists;
40 uint8_t sampling;
41 uint8_t filtering;
42 uint8_t shadow_compare;
43 uint8_t chroma_key;
44 uint8_t render_target;
45 uint8_t alpha_blend;
46 uint8_t input_vb;
47 uint8_t streamed_output_vb;
48 uint8_t color_processing;
49 uint8_t typed_write;
50 uint8_t typed_read;
51 uint8_t ccs_e;
52 };
53
54 /* This macro allows us to write the table almost as it appears in the PRM,
55 * while restructuring it to turn it into the C code we want.
56 */
57 #define SF(sampl, filt, shad, ck, rt, ab, vb, so, color, tw, tr, ccs_e, sf) \
58 [ISL_FORMAT_##sf] = { true, sampl, filt, shad, ck, rt, ab, vb, so, color, tw, tr, ccs_e},
59
60 #define Y 0
61 #define x 255
62 /**
63 * This is the table of support for surface (texture, renderbuffer, and vertex
64 * buffer, but not depthbuffer) formats across the various hardware generations.
65 *
66 * The table is formatted to match the documentation, except that the docs have
67 * this ridiculous mapping of Y[*+~^#&] for "supported on DevWhatever". To put
68 * it in our table, here's the mapping:
69 *
70 * Y*: 45
71 * Y+: 45 (g45/gm45)
72 * Y~: 50 (gen5)
73 * Y^: 60 (gen6)
74 * Y#: 70 (gen7)
75 *
76 * The abbreviations in the header below are:
77 * smpl - Sampling Engine
78 * filt - Sampling Engine Filtering
79 * shad - Sampling Engine Shadow Map
80 * CK - Sampling Engine Chroma Key
81 * RT - Render Target
82 * AB - Alpha Blend Render Target
83 * VB - Input Vertex Buffer
84 * SO - Steamed Output Vertex Buffers (transform feedback)
85 * color - Color Processing
86 * ccs_e - Lossless Compression Support (gen9+ only)
87 * sf - Surface Format
88 *
89 * See page 88 of the Sandybridge PRM VOL4_Part1 PDF.
90 *
91 * As of Ivybridge, the columns are no longer in that table and the
92 * information can be found spread across:
93 *
94 * - VOL2_Part1 section 2.5.11 Format Conversion (vertex fetch).
95 * - VOL4_Part1 section 2.12.2.1.2 Sampler Output Channel Mapping.
96 * - VOL4_Part1 section 3.9.11 Render Target Write.
97 * - Render Target Surface Types [SKL+]
98 */
99 static const struct surface_format_info format_info[] = {
100 /* smpl filt shad CK RT AB VB SO color TW TR ccs_e */
101 SF( Y, 50, x, x, Y, Y, Y, Y, x, 70, 90, 90, R32G32B32A32_FLOAT)
102 SF( Y, x, x, x, Y, x, Y, Y, x, 70, 90, 90, R32G32B32A32_SINT)
103 SF( Y, x, x, x, Y, x, Y, Y, x, 70, 90, 90, R32G32B32A32_UINT)
104 SF( x, x, x, x, x, x, Y, x, x, x, x, x, R32G32B32A32_UNORM)
105 SF( x, x, x, x, x, x, Y, x, x, x, x, x, R32G32B32A32_SNORM)
106 SF( x, x, x, x, x, x, Y, x, x, x, x, x, R64G64_FLOAT)
107 SF( Y, 50, x, x, 100, 100, x, x, x, x, x, 100, R32G32B32X32_FLOAT)
108 SF( x, x, x, x, x, x, Y, x, x, x, x, x, R32G32B32A32_SSCALED)
109 SF( x, x, x, x, x, x, Y, x, x, x, x, x, R32G32B32A32_USCALED)
110 SF( x, x, x, x, x, x, 75, x, x, x, x, x, R32G32B32A32_SFIXED)
111 SF( x, x, x, x, x, x, 80, x, x, x, x, x, R64G64_PASSTHRU)
112 SF( Y, 50, x, x, x, x, Y, Y, x, x, x, x, R32G32B32_FLOAT)
113 SF( Y, x, x, x, x, x, Y, Y, x, x, x, x, R32G32B32_SINT)
114 SF( Y, x, x, x, x, x, Y, Y, x, x, x, x, R32G32B32_UINT)
115 SF( x, x, x, x, x, x, Y, x, x, x, x, x, R32G32B32_UNORM)
116 SF( x, x, x, x, x, x, Y, x, x, x, x, x, R32G32B32_SNORM)
117 SF( x, x, x, x, x, x, Y, x, x, x, x, x, R32G32B32_SSCALED)
118 SF( x, x, x, x, x, x, Y, x, x, x, x, x, R32G32B32_USCALED)
119 SF( x, x, x, x, x, x, 75, x, x, x, x, x, R32G32B32_SFIXED)
120 SF( Y, Y, x, x, Y, 45, Y, x, 60, 70, 110, 90, R16G16B16A16_UNORM)
121 SF( Y, Y, x, x, Y, 60, Y, x, x, 70, 110, 90, R16G16B16A16_SNORM)
122 SF( Y, x, x, x, Y, x, Y, x, x, 70, 90, 90, R16G16B16A16_SINT)
123 SF( Y, x, x, x, Y, x, Y, x, x, 70, 75, 90, R16G16B16A16_UINT)
124 SF( Y, Y, x, x, Y, Y, Y, x, x, 70, 90, 90, R16G16B16A16_FLOAT)
125 SF( Y, 50, x, x, Y, Y, Y, Y, x, 70, 90, 90, R32G32_FLOAT)
126 SF( Y, 70, x, x, Y, Y, Y, Y, x, x, x, x, R32G32_FLOAT_LD)
127 SF( Y, x, x, x, Y, x, Y, Y, x, 70, 90, 90, R32G32_SINT)
128 SF( Y, x, x, x, Y, x, Y, Y, x, 70, 90, 90, R32G32_UINT)
129 SF( Y, 50, Y, x, x, x, x, x, x, x, x, x, R32_FLOAT_X8X24_TYPELESS)
130 SF( Y, x, x, x, x, x, x, x, x, x, x, x, X32_TYPELESS_G8X24_UINT)
131 SF( Y, 50, x, x, x, x, x, x, x, x, x, x, L32A32_FLOAT)
132 SF( x, x, x, x, x, x, Y, x, x, x, x, x, R32G32_UNORM)
133 SF( x, x, x, x, x, x, Y, x, x, x, x, x, R32G32_SNORM)
134 SF( x, x, x, x, x, x, Y, x, x, x, x, x, R64_FLOAT)
135 SF( Y, Y, x, x, x, x, x, x, x, x, x, x, R16G16B16X16_UNORM)
136 SF( Y, Y, x, x, 90, 90, x, x, x, x, x, 90, R16G16B16X16_FLOAT)
137 SF( Y, 50, x, x, x, x, x, x, x, x, x, x, A32X32_FLOAT)
138 SF( Y, 50, x, x, x, x, x, x, x, x, x, x, L32X32_FLOAT)
139 SF( Y, 50, x, x, x, x, x, x, x, x, x, x, I32X32_FLOAT)
140 SF( x, x, x, x, x, x, Y, x, x, x, x, x, R16G16B16A16_SSCALED)
141 SF( x, x, x, x, x, x, Y, x, x, x, x, x, R16G16B16A16_USCALED)
142 SF( x, x, x, x, x, x, Y, x, x, x, x, x, R32G32_SSCALED)
143 SF( x, x, x, x, x, x, Y, x, x, x, x, x, R32G32_USCALED)
144 SF( x, x, x, x, x, x, 75, x, x, x, x, x, R32G32_SFIXED)
145 SF( x, x, x, x, x, x, 80, x, x, x, x, x, R64_PASSTHRU)
146 SF( Y, Y, x, Y, Y, Y, Y, x, 60, 70, x, 90, B8G8R8A8_UNORM)
147 SF( Y, Y, x, x, Y, Y, x, x, x, x, x, 100, B8G8R8A8_UNORM_SRGB)
148 /* smpl filt shad CK RT AB VB SO color TW TR ccs_e */
149 SF( Y, Y, x, x, Y, Y, Y, x, 60, 70, x, 100, R10G10B10A2_UNORM)
150 SF( Y, Y, x, x, x, x, x, x, 60, x, x, 120, R10G10B10A2_UNORM_SRGB)
151 SF( Y, x, x, x, Y, x, Y, x, x, 70, x, 100, R10G10B10A2_UINT)
152 SF( Y, Y, x, x, x, x, Y, x, x, x, x, x, R10G10B10_SNORM_A2_UNORM)
153 SF( Y, Y, x, x, Y, Y, Y, x, 60, 70, 110, 90, R8G8B8A8_UNORM)
154 SF( Y, Y, x, x, Y, Y, x, x, 60, x, x, 100, R8G8B8A8_UNORM_SRGB)
155 SF( Y, Y, x, x, Y, 60, Y, x, x, 70, 110, 90, R8G8B8A8_SNORM)
156 SF( Y, x, x, x, Y, x, Y, x, x, 70, 90, 90, R8G8B8A8_SINT)
157 SF( Y, x, x, x, Y, x, Y, x, x, 70, 75, 90, R8G8B8A8_UINT)
158 SF( Y, Y, x, x, Y, 45, Y, x, x, 70, 110, 90, R16G16_UNORM)
159 SF( Y, Y, x, x, Y, 60, Y, x, x, 70, 110, 90, R16G16_SNORM)
160 SF( Y, x, x, x, Y, x, Y, x, x, 70, 90, 90, R16G16_SINT)
161 SF( Y, x, x, x, Y, x, Y, x, x, 70, 75, 90, R16G16_UINT)
162 SF( Y, Y, x, x, Y, Y, Y, x, x, 70, 90, 90, R16G16_FLOAT)
163 SF( Y, Y, x, x, Y, Y, 75, x, 60, 70, x, 100, B10G10R10A2_UNORM)
164 SF( Y, Y, x, x, Y, Y, x, x, 60, x, x, 100, B10G10R10A2_UNORM_SRGB)
165 SF( Y, Y, x, x, Y, Y, Y, x, x, 70, x, 100, R11G11B10_FLOAT)
166 SF(120, 120, x, x, 120, 120, x, x, x, x, x, 120, R10G10B10_FLOAT_A2_UNORM)
167 SF( Y, x, x, x, Y, x, Y, Y, x, 70, 70, 90, R32_SINT)
168 SF( Y, x, x, x, Y, x, Y, Y, x, 70, 70, 90, R32_UINT)
169 SF( Y, 50, Y, x, Y, Y, Y, Y, x, 70, 70, 90, R32_FLOAT)
170 SF( Y, 50, Y, x, x, x, x, x, x, x, x, 120, R24_UNORM_X8_TYPELESS)
171 SF( Y, x, x, x, x, x, x, x, x, x, x, x, X24_TYPELESS_G8_UINT)
172 SF( Y, Y, x, x, x, x, x, x, x, x, x, x, L16A16_UNORM)
173 SF( Y, 50, Y, x, x, x, x, x, x, x, x, x, I24X8_UNORM)
174 SF( Y, 50, Y, x, x, x, x, x, x, x, x, x, L24X8_UNORM)
175 SF( Y, 50, Y, x, x, x, x, x, x, x, x, x, A24X8_UNORM)
176 SF( Y, 50, Y, x, x, x, x, x, x, x, x, x, I32_FLOAT)
177 SF( Y, 50, Y, x, x, x, x, x, x, x, x, x, L32_FLOAT)
178 SF( Y, 50, Y, x, x, x, x, x, x, x, x, x, A32_FLOAT)
179 SF( Y, Y, x, Y, 80, 80, x, x, 60, x, x, 90, B8G8R8X8_UNORM)
180 SF( Y, Y, x, x, 80, 80, x, x, x, x, x, 100, B8G8R8X8_UNORM_SRGB)
181 SF( Y, Y, x, x, x, x, x, x, x, x, x, x, R8G8B8X8_UNORM)
182 SF( Y, Y, x, x, x, x, x, x, x, x, x, x, R8G8B8X8_UNORM_SRGB)
183 SF( Y, Y, x, x, x, x, x, x, x, x, x, x, R9G9B9E5_SHAREDEXP)
184 SF( Y, Y, x, x, x, x, x, x, x, x, x, x, B10G10R10X2_UNORM)
185 SF( Y, Y, x, x, x, x, x, x, x, x, x, x, L16A16_FLOAT)
186 SF( x, x, x, x, x, x, Y, x, x, x, x, x, R32_UNORM)
187 SF( x, x, x, x, x, x, Y, x, x, x, x, x, R32_SNORM)
188 /* smpl filt shad CK RT AB VB SO color TW TR ccs_e */
189 SF( x, x, x, x, x, x, Y, x, x, x, x, x, R10G10B10X2_USCALED)
190 SF( x, x, x, x, x, x, Y, x, x, x, x, x, R8G8B8A8_SSCALED)
191 SF( x, x, x, x, x, x, Y, x, x, x, x, x, R8G8B8A8_USCALED)
192 SF( x, x, x, x, x, x, Y, x, x, x, x, x, R16G16_SSCALED)
193 SF( x, x, x, x, x, x, Y, x, x, x, x, x, R16G16_USCALED)
194 SF( x, x, x, x, x, x, Y, x, x, x, x, x, R32_SSCALED)
195 SF( x, x, x, x, x, x, Y, x, x, x, x, x, R32_USCALED)
196 SF( Y, Y, x, Y, Y, Y, x, x, x, 70, x, 120, B5G6R5_UNORM)
197 SF( Y, Y, x, x, Y, Y, x, x, x, x, x, 120, B5G6R5_UNORM_SRGB)
198 SF( Y, Y, x, Y, Y, Y, x, x, x, 70, x, 120, B5G5R5A1_UNORM)
199 SF( Y, Y, x, x, Y, Y, x, x, x, x, x, 120, B5G5R5A1_UNORM_SRGB)
200 SF( Y, Y, x, Y, Y, Y, x, x, x, 70, x, 120, B4G4R4A4_UNORM)
201 SF( Y, Y, x, x, Y, Y, x, x, x, x, x, 120, B4G4R4A4_UNORM_SRGB)
202 SF( Y, Y, x, x, Y, Y, Y, x, x, 70, 110, 120, R8G8_UNORM)
203 SF( Y, Y, x, Y, Y, 60, Y, x, x, 70, 110, 120, R8G8_SNORM)
204 SF( Y, x, x, x, Y, x, Y, x, x, 70, 90, 120, R8G8_SINT)
205 SF( Y, x, x, x, Y, x, Y, x, x, 70, 75, 120, R8G8_UINT)
206 SF( Y, Y, Y, x, Y, 45, Y, x, 70, 70, 110, 120, R16_UNORM)
207 SF( Y, Y, x, x, Y, 60, Y, x, x, 70, 110, 120, R16_SNORM)
208 SF( Y, x, x, x, Y, x, Y, x, x, 70, 90, 120, R16_SINT)
209 SF( Y, x, x, x, Y, x, Y, x, x, 70, 75, 120, R16_UINT)
210 SF( Y, Y, x, x, Y, Y, Y, x, x, 70, 90, 120, R16_FLOAT)
211 SF( 50, 50, x, x, x, x, x, x, x, x, x, x, A8P8_UNORM_PALETTE0)
212 SF( 50, 50, x, x, x, x, x, x, x, x, x, x, A8P8_UNORM_PALETTE1)
213 SF( Y, Y, Y, x, x, x, x, x, x, x, x, x, I16_UNORM)
214 SF( Y, Y, Y, x, x, x, x, x, x, x, x, x, L16_UNORM)
215 SF( Y, Y, Y, x, x, x, x, x, x, x, x, x, A16_UNORM)
216 SF( Y, Y, x, Y, x, x, x, x, x, x, x, x, L8A8_UNORM)
217 SF( Y, Y, Y, x, x, x, x, x, x, x, x, x, I16_FLOAT)
218 SF( Y, Y, Y, x, x, x, x, x, x, x, x, x, L16_FLOAT)
219 SF( Y, Y, Y, x, x, x, x, x, x, x, x, x, A16_FLOAT)
220 SF( 45, 45, x, x, x, x, x, x, x, x, x, x, L8A8_UNORM_SRGB)
221 SF( Y, Y, x, Y, x, x, x, x, x, x, x, x, R5G5_SNORM_B6_UNORM)
222 SF( x, x, x, x, Y, Y, x, x, x, 70, x, 120, B5G5R5X1_UNORM)
223 SF( x, x, x, x, Y, Y, x, x, x, x, x, 120, B5G5R5X1_UNORM_SRGB)
224 SF( x, x, x, x, x, x, Y, x, x, x, x, x, R8G8_SSCALED)
225 SF( x, x, x, x, x, x, Y, x, x, x, x, x, R8G8_USCALED)
226 /* smpl filt shad CK RT AB VB SO color TW TR ccs_e */
227 SF( x, x, x, x, x, x, Y, x, x, x, x, x, R16_SSCALED)
228 SF( x, x, x, x, x, x, Y, x, x, x, x, x, R16_USCALED)
229 SF( 50, 50, x, x, x, x, x, x, x, x, x, x, P8A8_UNORM_PALETTE0)
230 SF( 50, 50, x, x, x, x, x, x, x, x, x, x, P8A8_UNORM_PALETTE1)
231 SF(120, 120, x, x, 120, 120, x, x, x, x, x, 120, A1B5G5R5_UNORM)
232 /* According to the PRM, A4B4G4R4_UNORM isn't supported until Sky Lake
233 * but empirical testing indicates that at least sampling works just fine
234 * on Broadwell.
235 */
236 SF( 80, 80, x, x, 90, 120, x, x, x, x, x, 120, A4B4G4R4_UNORM)
237 SF( 90, x, x, x, x, x, x, x, x, x, x, x, L8A8_UINT)
238 SF( 90, x, x, x, x, x, x, x, x, x, x, x, L8A8_SINT)
239 SF( Y, Y, x, 45, Y, Y, Y, x, x, 70, 110, 120, R8_UNORM)
240 SF( Y, Y, x, x, Y, 60, Y, x, x, 70, 110, 120, R8_SNORM)
241 SF( Y, x, x, x, Y, x, Y, x, x, 70, 90, 120, R8_SINT)
242 SF( Y, x, x, x, Y, x, Y, x, x, 70, 75, 120, R8_UINT)
243 SF( Y, Y, x, Y, Y, Y, x, x, x, 70, 110, 120, A8_UNORM)
244 SF( Y, Y, x, x, x, x, x, x, x, x, x, x, I8_UNORM)
245 SF( Y, Y, x, Y, x, x, x, x, x, x, x, x, L8_UNORM)
246 SF( Y, Y, x, x, x, x, x, x, x, x, x, x, P4A4_UNORM_PALETTE0)
247 SF( Y, Y, x, x, x, x, x, x, x, x, x, x, A4P4_UNORM_PALETTE0)
248 SF( x, x, x, x, x, x, Y, x, x, x, x, x, R8_SSCALED)
249 SF( x, x, x, x, x, x, Y, x, x, x, x, x, R8_USCALED)
250 SF( 45, 45, x, x, x, x, x, x, x, x, x, x, P8_UNORM_PALETTE0)
251 SF( 45, 45, x, x, x, x, x, x, x, x, x, x, L8_UNORM_SRGB)
252 SF( 45, 45, x, x, x, x, x, x, x, x, x, x, P8_UNORM_PALETTE1)
253 SF( 45, 45, x, x, x, x, x, x, x, x, x, x, P4A4_UNORM_PALETTE1)
254 SF( 45, 45, x, x, x, x, x, x, x, x, x, x, A4P4_UNORM_PALETTE1)
255 SF( x, x, x, x, x, x, x, x, x, x, x, x, Y8_UNORM)
256 SF( 90, x, x, x, x, x, x, x, x, x, x, x, L8_UINT)
257 SF( 90, x, x, x, x, x, x, x, x, x, x, x, L8_SINT)
258 SF( 90, x, x, x, x, x, x, x, x, x, x, x, I8_UINT)
259 SF( 90, x, x, x, x, x, x, x, x, x, x, x, I8_SINT)
260 SF( 45, 45, x, x, x, x, x, x, x, x, x, x, DXT1_RGB_SRGB)
261 SF( Y, Y, x, x, x, x, x, x, x, x, x, x, R1_UNORM)
262 SF( Y, Y, x, Y, Y, x, x, x, 60, x, x, x, YCRCB_NORMAL)
263 SF( Y, Y, x, Y, Y, x, x, x, 60, x, x, x, YCRCB_SWAPUVY)
264 SF( 45, 45, x, x, x, x, x, x, x, x, x, x, P2_UNORM_PALETTE0)
265 SF( 45, 45, x, x, x, x, x, x, x, x, x, x, P2_UNORM_PALETTE1)
266 SF( Y, Y, x, Y, x, x, x, x, x, x, x, x, BC1_UNORM)
267 SF( Y, Y, x, Y, x, x, x, x, x, x, x, x, BC2_UNORM)
268 SF( Y, Y, x, Y, x, x, x, x, x, x, x, x, BC3_UNORM)
269 SF( Y, Y, x, x, x, x, x, x, x, x, x, x, BC4_UNORM)
270 SF( Y, Y, x, x, x, x, x, x, x, x, x, x, BC5_UNORM)
271 SF( Y, Y, x, x, x, x, x, x, x, x, x, x, BC1_UNORM_SRGB)
272 SF( Y, Y, x, x, x, x, x, x, x, x, x, x, BC2_UNORM_SRGB)
273 SF( Y, Y, x, x, x, x, x, x, x, x, x, x, BC3_UNORM_SRGB)
274 SF( Y, x, x, x, x, x, x, x, x, x, x, x, MONO8)
275 SF( Y, Y, x, x, Y, x, x, x, 60, x, x, x, YCRCB_SWAPUV)
276 SF( Y, Y, x, x, Y, x, x, x, 60, x, x, x, YCRCB_SWAPY)
277 SF( Y, Y, x, x, x, x, x, x, x, x, x, x, DXT1_RGB)
278 /* smpl filt shad CK RT AB VB SO color TW TR ccs_e */
279 SF( Y, Y, x, x, x, x, x, x, x, x, x, x, FXT1)
280 SF( 75, 75, x, x, x, x, Y, x, x, x, x, x, R8G8B8_UNORM)
281 SF( 75, 75, x, x, x, x, Y, x, x, x, x, x, R8G8B8_SNORM)
282 SF( x, x, x, x, x, x, Y, x, x, x, x, x, R8G8B8_SSCALED)
283 SF( x, x, x, x, x, x, Y, x, x, x, x, x, R8G8B8_USCALED)
284 SF( x, x, x, x, x, x, Y, x, x, x, x, x, R64G64B64A64_FLOAT)
285 SF( x, x, x, x, x, x, Y, x, x, x, x, x, R64G64B64_FLOAT)
286 SF( Y, Y, x, x, x, x, x, x, x, x, x, x, BC4_SNORM)
287 SF( Y, Y, x, x, x, x, x, x, x, x, x, x, BC5_SNORM)
288 SF( 50, 50, x, x, x, x, 60, x, x, x, x, x, R16G16B16_FLOAT)
289 SF( 75, 75, x, x, x, x, Y, x, x, x, x, x, R16G16B16_UNORM)
290 SF( 75, 75, x, x, x, x, Y, x, x, x, x, x, R16G16B16_SNORM)
291 SF( x, x, x, x, x, x, Y, x, x, x, x, x, R16G16B16_SSCALED)
292 SF( x, x, x, x, x, x, Y, x, x, x, x, x, R16G16B16_USCALED)
293 SF( 70, 70, x, x, x, x, x, x, x, x, x, x, BC6H_SF16)
294 SF( 70, 70, x, x, x, x, x, x, x, x, x, x, BC7_UNORM)
295 SF( 70, 70, x, x, x, x, x, x, x, x, x, x, BC7_UNORM_SRGB)
296 SF( 70, 70, x, x, x, x, x, x, x, x, x, x, BC6H_UF16)
297 SF( x, x, x, x, x, x, x, x, x, x, x, x, PLANAR_420_8)
298 /* The format enum for R8G8B8_UNORM_SRGB first shows up in the HSW PRM but
299 * empirical testing indicates that it doesn't actually sRGB decode and
300 * acts identical to R8G8B8_UNORM. It does work on gen8+.
301 */
302 SF( 80, 80, x, x, x, x, x, x, x, x, x, x, R8G8B8_UNORM_SRGB)
303 SF( 80, 80, x, x, x, x, x, x, x, x, x, x, ETC1_RGB8)
304 SF( 80, 80, x, x, x, x, x, x, x, x, x, x, ETC2_RGB8)
305 SF( 80, 80, x, x, x, x, x, x, x, x, x, x, EAC_R11)
306 SF( 80, 80, x, x, x, x, x, x, x, x, x, x, EAC_RG11)
307 SF( 80, 80, x, x, x, x, x, x, x, x, x, x, EAC_SIGNED_R11)
308 SF( 80, 80, x, x, x, x, x, x, x, x, x, x, EAC_SIGNED_RG11)
309 SF( 80, 80, x, x, x, x, x, x, x, x, x, x, ETC2_SRGB8)
310 SF( 90, x, x, x, x, x, 75, x, x, x, x, x, R16G16B16_UINT)
311 SF( 90, x, x, x, x, x, 75, x, x, x, x, x, R16G16B16_SINT)
312 SF( x, x, x, x, x, x, 75, x, x, x, x, x, R32_SFIXED)
313 SF( x, x, x, x, x, x, 75, x, x, x, x, x, R10G10B10A2_SNORM)
314 SF( x, x, x, x, x, x, 75, x, x, x, x, x, R10G10B10A2_USCALED)
315 SF( x, x, x, x, x, x, 75, x, x, x, x, x, R10G10B10A2_SSCALED)
316 SF( x, x, x, x, x, x, 75, x, x, x, x, x, R10G10B10A2_SINT)
317 SF( x, x, x, x, x, x, 75, x, x, x, x, x, B10G10R10A2_SNORM)
318 SF( x, x, x, x, x, x, 75, x, x, x, x, x, B10G10R10A2_USCALED)
319 SF( x, x, x, x, x, x, 75, x, x, x, x, x, B10G10R10A2_SSCALED)
320 SF( x, x, x, x, x, x, 75, x, x, x, x, x, B10G10R10A2_UINT)
321 SF( x, x, x, x, x, x, 75, x, x, x, x, x, B10G10R10A2_SINT)
322 SF( x, x, x, x, x, x, 80, x, x, x, x, x, R64G64B64A64_PASSTHRU)
323 SF( x, x, x, x, x, x, 80, x, x, x, x, x, R64G64B64_PASSTHRU)
324 SF( 80, 80, x, x, x, x, x, x, x, x, x, x, ETC2_RGB8_PTA)
325 SF( 80, 80, x, x, x, x, x, x, x, x, x, x, ETC2_SRGB8_PTA)
326 SF( 80, 80, x, x, x, x, x, x, x, x, x, x, ETC2_EAC_RGBA8)
327 SF( 80, 80, x, x, x, x, x, x, x, x, x, x, ETC2_EAC_SRGB8_A8)
328 SF( 90, x, x, x, x, x, 75, x, x, x, x, x, R8G8B8_UINT)
329 SF( 90, x, x, x, x, x, 75, x, x, x, x, x, R8G8B8_SINT)
330 SF( 90, 90, x, x, x, x, x, x, x, x, x, x, ASTC_LDR_2D_4X4_FLT16)
331 SF( 90, 90, x, x, x, x, x, x, x, x, x, x, ASTC_LDR_2D_5X4_FLT16)
332 SF( 90, 90, x, x, x, x, x, x, x, x, x, x, ASTC_LDR_2D_5X5_FLT16)
333 SF( 90, 90, x, x, x, x, x, x, x, x, x, x, ASTC_LDR_2D_6X5_FLT16)
334 SF( 90, 90, x, x, x, x, x, x, x, x, x, x, ASTC_LDR_2D_6X6_FLT16)
335 SF( 90, 90, x, x, x, x, x, x, x, x, x, x, ASTC_LDR_2D_8X5_FLT16)
336 SF( 90, 90, x, x, x, x, x, x, x, x, x, x, ASTC_LDR_2D_8X6_FLT16)
337 SF( 90, 90, x, x, x, x, x, x, x, x, x, x, ASTC_LDR_2D_8X8_FLT16)
338 SF( 90, 90, x, x, x, x, x, x, x, x, x, x, ASTC_LDR_2D_10X5_FLT16)
339 SF( 90, 90, x, x, x, x, x, x, x, x, x, x, ASTC_LDR_2D_10X6_FLT16)
340 SF( 90, 90, x, x, x, x, x, x, x, x, x, x, ASTC_LDR_2D_10X8_FLT16)
341 SF( 90, 90, x, x, x, x, x, x, x, x, x, x, ASTC_LDR_2D_10X10_FLT16)
342 SF( 90, 90, x, x, x, x, x, x, x, x, x, x, ASTC_LDR_2D_12X10_FLT16)
343 SF( 90, 90, x, x, x, x, x, x, x, x, x, x, ASTC_LDR_2D_12X12_FLT16)
344 SF( 90, 90, x, x, x, x, x, x, x, x, x, x, ASTC_LDR_2D_4X4_U8SRGB)
345 SF( 90, 90, x, x, x, x, x, x, x, x, x, x, ASTC_LDR_2D_5X4_U8SRGB)
346 SF( 90, 90, x, x, x, x, x, x, x, x, x, x, ASTC_LDR_2D_5X5_U8SRGB)
347 SF( 90, 90, x, x, x, x, x, x, x, x, x, x, ASTC_LDR_2D_6X5_U8SRGB)
348 SF( 90, 90, x, x, x, x, x, x, x, x, x, x, ASTC_LDR_2D_6X6_U8SRGB)
349 SF( 90, 90, x, x, x, x, x, x, x, x, x, x, ASTC_LDR_2D_8X5_U8SRGB)
350 SF( 90, 90, x, x, x, x, x, x, x, x, x, x, ASTC_LDR_2D_8X6_U8SRGB)
351 SF( 90, 90, x, x, x, x, x, x, x, x, x, x, ASTC_LDR_2D_8X8_U8SRGB)
352 SF( 90, 90, x, x, x, x, x, x, x, x, x, x, ASTC_LDR_2D_10X5_U8SRGB)
353 SF( 90, 90, x, x, x, x, x, x, x, x, x, x, ASTC_LDR_2D_10X6_U8SRGB)
354 SF( 90, 90, x, x, x, x, x, x, x, x, x, x, ASTC_LDR_2D_10X8_U8SRGB)
355 SF( 90, 90, x, x, x, x, x, x, x, x, x, x, ASTC_LDR_2D_10X10_U8SRGB)
356 SF( 90, 90, x, x, x, x, x, x, x, x, x, x, ASTC_LDR_2D_12X10_U8SRGB)
357 SF( 90, 90, x, x, x, x, x, x, x, x, x, x, ASTC_LDR_2D_12X12_U8SRGB)
358 SF(100, 100, x, x, x, x, x, x, x, x, x, x, ASTC_HDR_2D_4X4_FLT16)
359 SF(100, 100, x, x, x, x, x, x, x, x, x, x, ASTC_HDR_2D_5X4_FLT16)
360 SF(100, 100, x, x, x, x, x, x, x, x, x, x, ASTC_HDR_2D_5X5_FLT16)
361 SF(100, 100, x, x, x, x, x, x, x, x, x, x, ASTC_HDR_2D_6X5_FLT16)
362 SF(100, 100, x, x, x, x, x, x, x, x, x, x, ASTC_HDR_2D_6X6_FLT16)
363 SF(100, 100, x, x, x, x, x, x, x, x, x, x, ASTC_HDR_2D_8X5_FLT16)
364 SF(100, 100, x, x, x, x, x, x, x, x, x, x, ASTC_HDR_2D_8X6_FLT16)
365 SF(100, 100, x, x, x, x, x, x, x, x, x, x, ASTC_HDR_2D_8X8_FLT16)
366 SF(100, 100, x, x, x, x, x, x, x, x, x, x, ASTC_HDR_2D_10X5_FLT16)
367 SF(100, 100, x, x, x, x, x, x, x, x, x, x, ASTC_HDR_2D_10X6_FLT16)
368 SF(100, 100, x, x, x, x, x, x, x, x, x, x, ASTC_HDR_2D_10X8_FLT16)
369 SF(100, 100, x, x, x, x, x, x, x, x, x, x, ASTC_HDR_2D_10X10_FLT16)
370 SF(100, 100, x, x, x, x, x, x, x, x, x, x, ASTC_HDR_2D_12X10_FLT16)
371 SF(100, 100, x, x, x, x, x, x, x, x, x, x, ASTC_HDR_2D_12X12_FLT16)
372 };
373 #undef x
374 #undef Y
375
376
377 enum isl_format
378 isl_format_for_pipe_format(enum pipe_format pf)
379 {
380 static const enum isl_format table[PIPE_FORMAT_COUNT] = {
381 [0 ... PIPE_FORMAT_COUNT-1] = ISL_FORMAT_UNSUPPORTED,
382
383 [PIPE_FORMAT_B8G8R8A8_UNORM] = ISL_FORMAT_B8G8R8A8_UNORM,
384 [PIPE_FORMAT_B8G8R8X8_UNORM] = ISL_FORMAT_B8G8R8X8_UNORM,
385 [PIPE_FORMAT_B5G5R5A1_UNORM] = ISL_FORMAT_B5G5R5A1_UNORM,
386 [PIPE_FORMAT_B4G4R4A4_UNORM] = ISL_FORMAT_B4G4R4A4_UNORM,
387 [PIPE_FORMAT_B5G6R5_UNORM] = ISL_FORMAT_B5G6R5_UNORM,
388 [PIPE_FORMAT_R10G10B10A2_UNORM] = ISL_FORMAT_R10G10B10A2_UNORM,
389
390 [PIPE_FORMAT_Z16_UNORM] = ISL_FORMAT_R16_UNORM,
391 [PIPE_FORMAT_Z32_UNORM] = ISL_FORMAT_R32_UNORM,
392 [PIPE_FORMAT_Z32_FLOAT] = ISL_FORMAT_R32_FLOAT,
393
394 /* We translate the combined depth/stencil formats to depth only here */
395 [PIPE_FORMAT_Z24_UNORM_S8_UINT] = ISL_FORMAT_R24_UNORM_X8_TYPELESS,
396 [PIPE_FORMAT_Z24X8_UNORM] = ISL_FORMAT_R24_UNORM_X8_TYPELESS,
397 [PIPE_FORMAT_Z32_FLOAT_S8X24_UINT] = ISL_FORMAT_R32_FLOAT,
398
399 [PIPE_FORMAT_S8_UINT] = ISL_FORMAT_R8_UINT,
400 [PIPE_FORMAT_X24S8_UINT] = ISL_FORMAT_R8_UINT,
401 [PIPE_FORMAT_X32_S8X24_UINT] = ISL_FORMAT_R8_UINT,
402
403 [PIPE_FORMAT_R64_FLOAT] = ISL_FORMAT_R64_FLOAT,
404 [PIPE_FORMAT_R64G64_FLOAT] = ISL_FORMAT_R64G64_FLOAT,
405 [PIPE_FORMAT_R64G64B64_FLOAT] = ISL_FORMAT_R64G64B64_FLOAT,
406 [PIPE_FORMAT_R64G64B64A64_FLOAT] = ISL_FORMAT_R64G64B64A64_FLOAT,
407 [PIPE_FORMAT_R32_FLOAT] = ISL_FORMAT_R32_FLOAT,
408 [PIPE_FORMAT_R32G32_FLOAT] = ISL_FORMAT_R32G32_FLOAT,
409 [PIPE_FORMAT_R32G32B32_FLOAT] = ISL_FORMAT_R32G32B32_FLOAT,
410 [PIPE_FORMAT_R32G32B32A32_FLOAT] = ISL_FORMAT_R32G32B32A32_FLOAT,
411 [PIPE_FORMAT_R32_UNORM] = ISL_FORMAT_R32_UNORM,
412 [PIPE_FORMAT_R32G32_UNORM] = ISL_FORMAT_R32G32_UNORM,
413 [PIPE_FORMAT_R32G32B32_UNORM] = ISL_FORMAT_R32G32B32_UNORM,
414 [PIPE_FORMAT_R32G32B32A32_UNORM] = ISL_FORMAT_R32G32B32A32_UNORM,
415 [PIPE_FORMAT_R32_USCALED] = ISL_FORMAT_R32_USCALED,
416 [PIPE_FORMAT_R32G32_USCALED] = ISL_FORMAT_R32G32_USCALED,
417 [PIPE_FORMAT_R32G32B32_USCALED] = ISL_FORMAT_R32G32B32_USCALED,
418 [PIPE_FORMAT_R32G32B32A32_USCALED] = ISL_FORMAT_R32G32B32A32_USCALED,
419 [PIPE_FORMAT_R32_SNORM] = ISL_FORMAT_R32_SNORM,
420 [PIPE_FORMAT_R32G32_SNORM] = ISL_FORMAT_R32G32_SNORM,
421 [PIPE_FORMAT_R32G32B32_SNORM] = ISL_FORMAT_R32G32B32_SNORM,
422 [PIPE_FORMAT_R32G32B32A32_SNORM] = ISL_FORMAT_R32G32B32A32_SNORM,
423 [PIPE_FORMAT_R32_SSCALED] = ISL_FORMAT_R32_SSCALED,
424 [PIPE_FORMAT_R32G32_SSCALED] = ISL_FORMAT_R32G32_SSCALED,
425 [PIPE_FORMAT_R32G32B32_SSCALED] = ISL_FORMAT_R32G32B32_SSCALED,
426 [PIPE_FORMAT_R32G32B32A32_SSCALED] = ISL_FORMAT_R32G32B32A32_SSCALED,
427 [PIPE_FORMAT_R16_UNORM] = ISL_FORMAT_R16_UNORM,
428 [PIPE_FORMAT_R16G16_UNORM] = ISL_FORMAT_R16G16_UNORM,
429 [PIPE_FORMAT_R16G16B16_UNORM] = ISL_FORMAT_R16G16B16_UNORM,
430 [PIPE_FORMAT_R16G16B16A16_UNORM] = ISL_FORMAT_R16G16B16A16_UNORM,
431 [PIPE_FORMAT_R16_USCALED] = ISL_FORMAT_R16_USCALED,
432 [PIPE_FORMAT_R16G16_USCALED] = ISL_FORMAT_R16G16_USCALED,
433 [PIPE_FORMAT_R16G16B16_USCALED] = ISL_FORMAT_R16G16B16_USCALED,
434 [PIPE_FORMAT_R16G16B16A16_USCALED] = ISL_FORMAT_R16G16B16A16_USCALED,
435 [PIPE_FORMAT_R16_SNORM] = ISL_FORMAT_R16_SNORM,
436 [PIPE_FORMAT_R16G16_SNORM] = ISL_FORMAT_R16G16_SNORM,
437 [PIPE_FORMAT_R16G16B16_SNORM] = ISL_FORMAT_R16G16B16_SNORM,
438 [PIPE_FORMAT_R16G16B16A16_SNORM] = ISL_FORMAT_R16G16B16A16_SNORM,
439 [PIPE_FORMAT_R16_SSCALED] = ISL_FORMAT_R16_SSCALED,
440 [PIPE_FORMAT_R16G16_SSCALED] = ISL_FORMAT_R16G16_SSCALED,
441 [PIPE_FORMAT_R16G16B16_SSCALED] = ISL_FORMAT_R16G16B16_SSCALED,
442 [PIPE_FORMAT_R16G16B16A16_SSCALED] = ISL_FORMAT_R16G16B16A16_SSCALED,
443 [PIPE_FORMAT_R8_UNORM] = ISL_FORMAT_R8_UNORM,
444 [PIPE_FORMAT_R8G8_UNORM] = ISL_FORMAT_R8G8_UNORM,
445 [PIPE_FORMAT_R8G8B8_UNORM] = ISL_FORMAT_R8G8B8_UNORM,
446 [PIPE_FORMAT_R8G8B8A8_UNORM] = ISL_FORMAT_R8G8B8A8_UNORM,
447 [PIPE_FORMAT_R8_USCALED] = ISL_FORMAT_R8_USCALED,
448 [PIPE_FORMAT_R8G8_USCALED] = ISL_FORMAT_R8G8_USCALED,
449 [PIPE_FORMAT_R8G8B8_USCALED] = ISL_FORMAT_R8G8B8_USCALED,
450 [PIPE_FORMAT_R8G8B8A8_USCALED] = ISL_FORMAT_R8G8B8A8_USCALED,
451 [PIPE_FORMAT_R8_SNORM] = ISL_FORMAT_R8_SNORM,
452 [PIPE_FORMAT_R8G8_SNORM] = ISL_FORMAT_R8G8_SNORM,
453 [PIPE_FORMAT_R8G8B8_SNORM] = ISL_FORMAT_R8G8B8_SNORM,
454 [PIPE_FORMAT_R8G8B8A8_SNORM] = ISL_FORMAT_R8G8B8A8_SNORM,
455 [PIPE_FORMAT_R8_SSCALED] = ISL_FORMAT_R8_SSCALED,
456 [PIPE_FORMAT_R8G8_SSCALED] = ISL_FORMAT_R8G8_SSCALED,
457 [PIPE_FORMAT_R8G8B8_SSCALED] = ISL_FORMAT_R8G8B8_SSCALED,
458 [PIPE_FORMAT_R8G8B8A8_SSCALED] = ISL_FORMAT_R8G8B8A8_SSCALED,
459 [PIPE_FORMAT_R32_FIXED] = ISL_FORMAT_R32_SFIXED,
460 [PIPE_FORMAT_R32G32_FIXED] = ISL_FORMAT_R32G32_SFIXED,
461 [PIPE_FORMAT_R32G32B32_FIXED] = ISL_FORMAT_R32G32B32_SFIXED,
462 [PIPE_FORMAT_R32G32B32A32_FIXED] = ISL_FORMAT_R32G32B32A32_SFIXED,
463 [PIPE_FORMAT_R16_FLOAT] = ISL_FORMAT_R16_FLOAT,
464 [PIPE_FORMAT_R16G16_FLOAT] = ISL_FORMAT_R16G16_FLOAT,
465 [PIPE_FORMAT_R16G16B16_FLOAT] = ISL_FORMAT_R16G16B16_FLOAT,
466 [PIPE_FORMAT_R16G16B16A16_FLOAT] = ISL_FORMAT_R16G16B16A16_FLOAT,
467
468 [PIPE_FORMAT_R8G8B8_SRGB] = ISL_FORMAT_R8G8B8_UNORM_SRGB,
469 [PIPE_FORMAT_B8G8R8A8_SRGB] = ISL_FORMAT_B8G8R8A8_UNORM_SRGB,
470 [PIPE_FORMAT_B8G8R8X8_SRGB] = ISL_FORMAT_B8G8R8X8_UNORM_SRGB,
471 [PIPE_FORMAT_R8G8B8A8_SRGB] = ISL_FORMAT_R8G8B8A8_UNORM_SRGB,
472
473 [PIPE_FORMAT_DXT1_RGB] = ISL_FORMAT_BC1_UNORM,
474 [PIPE_FORMAT_DXT1_RGBA] = ISL_FORMAT_BC1_UNORM,
475 [PIPE_FORMAT_DXT3_RGBA] = ISL_FORMAT_BC2_UNORM,
476 [PIPE_FORMAT_DXT5_RGBA] = ISL_FORMAT_BC3_UNORM,
477
478 [PIPE_FORMAT_DXT1_SRGB] = ISL_FORMAT_BC1_UNORM_SRGB,
479 [PIPE_FORMAT_DXT1_SRGBA] = ISL_FORMAT_BC1_UNORM_SRGB,
480 [PIPE_FORMAT_DXT3_SRGBA] = ISL_FORMAT_BC2_UNORM_SRGB,
481 [PIPE_FORMAT_DXT5_SRGBA] = ISL_FORMAT_BC3_UNORM_SRGB,
482
483 [PIPE_FORMAT_RGTC1_UNORM] = ISL_FORMAT_BC4_UNORM,
484 [PIPE_FORMAT_RGTC1_SNORM] = ISL_FORMAT_BC4_SNORM,
485 [PIPE_FORMAT_RGTC2_UNORM] = ISL_FORMAT_BC5_UNORM,
486 [PIPE_FORMAT_RGTC2_SNORM] = ISL_FORMAT_BC5_SNORM,
487
488 [PIPE_FORMAT_R10G10B10A2_USCALED] = ISL_FORMAT_R10G10B10A2_USCALED,
489 [PIPE_FORMAT_R11G11B10_FLOAT] = ISL_FORMAT_R11G11B10_FLOAT,
490 [PIPE_FORMAT_R9G9B9E5_FLOAT] = ISL_FORMAT_R9G9B9E5_SHAREDEXP,
491 [PIPE_FORMAT_R1_UNORM] = ISL_FORMAT_R1_UNORM,
492 [PIPE_FORMAT_R10G10B10X2_USCALED] = ISL_FORMAT_R10G10B10X2_USCALED,
493 [PIPE_FORMAT_B10G10R10A2_UNORM] = ISL_FORMAT_B10G10R10A2_UNORM,
494 [PIPE_FORMAT_R8G8B8X8_UNORM] = ISL_FORMAT_R8G8B8X8_UNORM,
495
496 /* Just use red formats for these - they're actually renderable,
497 * and faster to sample than the legacy L/I/A/LA formats.
498 */
499 [PIPE_FORMAT_I8_UNORM] = ISL_FORMAT_R8_UNORM,
500 [PIPE_FORMAT_I8_UINT] = ISL_FORMAT_R8_UINT,
501 [PIPE_FORMAT_I8_SINT] = ISL_FORMAT_R8_SINT,
502 [PIPE_FORMAT_I8_SNORM] = ISL_FORMAT_R8_SNORM,
503 [PIPE_FORMAT_I16_UINT] = ISL_FORMAT_R16_UINT,
504 [PIPE_FORMAT_I16_UNORM] = ISL_FORMAT_R16_UNORM,
505 [PIPE_FORMAT_I16_SINT] = ISL_FORMAT_R16_SINT,
506 [PIPE_FORMAT_I16_SNORM] = ISL_FORMAT_R16_SNORM,
507 [PIPE_FORMAT_I16_FLOAT] = ISL_FORMAT_R16_FLOAT,
508 [PIPE_FORMAT_I32_UINT] = ISL_FORMAT_R32_UINT,
509 [PIPE_FORMAT_I32_SINT] = ISL_FORMAT_R32_SINT,
510 [PIPE_FORMAT_I32_FLOAT] = ISL_FORMAT_R32_FLOAT,
511
512 [PIPE_FORMAT_L8_UINT] = ISL_FORMAT_R8_UINT,
513 [PIPE_FORMAT_L8_UNORM] = ISL_FORMAT_R8_UNORM,
514 [PIPE_FORMAT_L8_SINT] = ISL_FORMAT_R8_SINT,
515 [PIPE_FORMAT_L8_SNORM] = ISL_FORMAT_R8_SNORM,
516 [PIPE_FORMAT_L16_UINT] = ISL_FORMAT_R16_UINT,
517 [PIPE_FORMAT_L16_UNORM] = ISL_FORMAT_R16_UNORM,
518 [PIPE_FORMAT_L16_SINT] = ISL_FORMAT_R16_SINT,
519 [PIPE_FORMAT_L16_SNORM] = ISL_FORMAT_R16_SNORM,
520 [PIPE_FORMAT_L16_FLOAT] = ISL_FORMAT_R16_FLOAT,
521 [PIPE_FORMAT_L32_UINT] = ISL_FORMAT_R32_UINT,
522 [PIPE_FORMAT_L32_SINT] = ISL_FORMAT_R32_SINT,
523 [PIPE_FORMAT_L32_FLOAT] = ISL_FORMAT_R32_FLOAT,
524
525 /* We also map alpha and luminance-alpha formats to red as well,
526 * though most of these (other than A8_UNORM) will be non-renderable.
527 */
528 [PIPE_FORMAT_A8_UINT] = ISL_FORMAT_R8_UINT,
529 [PIPE_FORMAT_A8_UNORM] = ISL_FORMAT_R8_UNORM,
530 [PIPE_FORMAT_A8_SINT] = ISL_FORMAT_R8_SINT,
531 [PIPE_FORMAT_A8_SNORM] = ISL_FORMAT_R8_SNORM,
532 [PIPE_FORMAT_A16_UINT] = ISL_FORMAT_R16_UINT,
533 [PIPE_FORMAT_A16_UNORM] = ISL_FORMAT_R16_UNORM,
534 [PIPE_FORMAT_A16_SINT] = ISL_FORMAT_R16_SINT,
535 [PIPE_FORMAT_A16_SNORM] = ISL_FORMAT_R16_SNORM,
536 [PIPE_FORMAT_A16_FLOAT] = ISL_FORMAT_R16_FLOAT,
537 [PIPE_FORMAT_A32_UINT] = ISL_FORMAT_R32_UINT,
538 [PIPE_FORMAT_A32_SINT] = ISL_FORMAT_R32_SINT,
539 [PIPE_FORMAT_A32_FLOAT] = ISL_FORMAT_R32_FLOAT,
540
541 [PIPE_FORMAT_L8A8_UINT] = ISL_FORMAT_R8G8_UINT,
542 [PIPE_FORMAT_L8A8_UNORM] = ISL_FORMAT_R8G8_UNORM,
543 [PIPE_FORMAT_L8A8_SINT] = ISL_FORMAT_R8G8_SINT,
544 [PIPE_FORMAT_L8A8_SNORM] = ISL_FORMAT_R8G8_SNORM,
545 [PIPE_FORMAT_L16A16_UINT] = ISL_FORMAT_R16G16_UINT,
546 [PIPE_FORMAT_L16A16_UNORM] = ISL_FORMAT_R16G16_UNORM,
547 [PIPE_FORMAT_L16A16_SINT] = ISL_FORMAT_R16G16_SINT,
548 [PIPE_FORMAT_L16A16_SNORM] = ISL_FORMAT_R16G16_SNORM,
549 [PIPE_FORMAT_L16A16_FLOAT] = ISL_FORMAT_R16G16_FLOAT,
550 [PIPE_FORMAT_L32A32_UINT] = ISL_FORMAT_R32G32_UINT,
551 [PIPE_FORMAT_L32A32_SINT] = ISL_FORMAT_R32G32_SINT,
552 [PIPE_FORMAT_L32A32_FLOAT] = ISL_FORMAT_R32G32_FLOAT,
553
554 /* Sadly, we have to use luminance[-alpha] formats for sRGB decoding. */
555 [PIPE_FORMAT_R8_SRGB] = ISL_FORMAT_L8_UNORM_SRGB,
556 [PIPE_FORMAT_L8_SRGB] = ISL_FORMAT_L8_UNORM_SRGB,
557 [PIPE_FORMAT_L8A8_SRGB] = ISL_FORMAT_L8A8_UNORM_SRGB,
558
559 [PIPE_FORMAT_R10G10B10A2_SSCALED] = ISL_FORMAT_R10G10B10A2_SSCALED,
560 [PIPE_FORMAT_R10G10B10A2_SNORM] = ISL_FORMAT_R10G10B10A2_SNORM,
561
562 [PIPE_FORMAT_B10G10R10A2_USCALED] = ISL_FORMAT_B10G10R10A2_USCALED,
563 [PIPE_FORMAT_B10G10R10A2_SSCALED] = ISL_FORMAT_B10G10R10A2_SSCALED,
564 [PIPE_FORMAT_B10G10R10A2_SNORM] = ISL_FORMAT_B10G10R10A2_SNORM,
565
566 [PIPE_FORMAT_R8_UINT] = ISL_FORMAT_R8_UINT,
567 [PIPE_FORMAT_R8G8_UINT] = ISL_FORMAT_R8G8_UINT,
568 [PIPE_FORMAT_R8G8B8_UINT] = ISL_FORMAT_R8G8B8_UINT,
569 [PIPE_FORMAT_R8G8B8A8_UINT] = ISL_FORMAT_R8G8B8A8_UINT,
570
571 [PIPE_FORMAT_R8_SINT] = ISL_FORMAT_R8_SINT,
572 [PIPE_FORMAT_R8G8_SINT] = ISL_FORMAT_R8G8_SINT,
573 [PIPE_FORMAT_R8G8B8_SINT] = ISL_FORMAT_R8G8B8_SINT,
574 [PIPE_FORMAT_R8G8B8A8_SINT] = ISL_FORMAT_R8G8B8A8_SINT,
575
576 [PIPE_FORMAT_R16_UINT] = ISL_FORMAT_R16_UINT,
577 [PIPE_FORMAT_R16G16_UINT] = ISL_FORMAT_R16G16_UINT,
578 [PIPE_FORMAT_R16G16B16_UINT] = ISL_FORMAT_R16G16B16_UINT,
579 [PIPE_FORMAT_R16G16B16A16_UINT] = ISL_FORMAT_R16G16B16A16_UINT,
580
581 [PIPE_FORMAT_R16_SINT] = ISL_FORMAT_R16_SINT,
582 [PIPE_FORMAT_R16G16_SINT] = ISL_FORMAT_R16G16_SINT,
583 [PIPE_FORMAT_R16G16B16_SINT] = ISL_FORMAT_R16G16B16_SINT,
584 [PIPE_FORMAT_R16G16B16A16_SINT] = ISL_FORMAT_R16G16B16A16_SINT,
585
586 [PIPE_FORMAT_R32_UINT] = ISL_FORMAT_R32_UINT,
587 [PIPE_FORMAT_R32G32_UINT] = ISL_FORMAT_R32G32_UINT,
588 [PIPE_FORMAT_R32G32B32_UINT] = ISL_FORMAT_R32G32B32_UINT,
589 [PIPE_FORMAT_R32G32B32A32_UINT] = ISL_FORMAT_R32G32B32A32_UINT,
590
591 [PIPE_FORMAT_R32_SINT] = ISL_FORMAT_R32_SINT,
592 [PIPE_FORMAT_R32G32_SINT] = ISL_FORMAT_R32G32_SINT,
593 [PIPE_FORMAT_R32G32B32_SINT] = ISL_FORMAT_R32G32B32_SINT,
594 [PIPE_FORMAT_R32G32B32A32_SINT] = ISL_FORMAT_R32G32B32A32_SINT,
595
596 [PIPE_FORMAT_B10G10R10A2_UINT] = ISL_FORMAT_B10G10R10A2_UINT,
597
598 [PIPE_FORMAT_ETC1_RGB8] = ISL_FORMAT_ETC1_RGB8,
599
600 [PIPE_FORMAT_R8G8B8X8_SRGB] = ISL_FORMAT_R8G8B8X8_UNORM_SRGB,
601 [PIPE_FORMAT_B10G10R10X2_UNORM] = ISL_FORMAT_B10G10R10X2_UNORM,
602 [PIPE_FORMAT_R16G16B16X16_UNORM] = ISL_FORMAT_R16G16B16X16_UNORM,
603 [PIPE_FORMAT_R16G16B16X16_FLOAT] = ISL_FORMAT_R16G16B16X16_FLOAT,
604 [PIPE_FORMAT_R32G32B32X32_FLOAT] = ISL_FORMAT_R32G32B32X32_FLOAT,
605
606 [PIPE_FORMAT_R10G10B10A2_UINT] = ISL_FORMAT_R10G10B10A2_UINT,
607
608 [PIPE_FORMAT_B5G6R5_SRGB] = ISL_FORMAT_B5G6R5_UNORM_SRGB,
609
610 [PIPE_FORMAT_BPTC_RGBA_UNORM] = ISL_FORMAT_BC7_UNORM,
611 [PIPE_FORMAT_BPTC_SRGBA] = ISL_FORMAT_BC7_UNORM_SRGB,
612 [PIPE_FORMAT_BPTC_RGB_FLOAT] = ISL_FORMAT_BC6H_SF16,
613 [PIPE_FORMAT_BPTC_RGB_UFLOAT] = ISL_FORMAT_BC6H_UF16,
614
615 [PIPE_FORMAT_ETC2_RGB8] = ISL_FORMAT_ETC2_RGB8,
616 [PIPE_FORMAT_ETC2_SRGB8] = ISL_FORMAT_ETC2_SRGB8,
617 [PIPE_FORMAT_ETC2_RGB8A1] = ISL_FORMAT_ETC2_RGB8_PTA,
618 [PIPE_FORMAT_ETC2_SRGB8A1] = ISL_FORMAT_ETC2_SRGB8_PTA,
619 [PIPE_FORMAT_ETC2_RGBA8] = ISL_FORMAT_ETC2_EAC_RGBA8,
620 [PIPE_FORMAT_ETC2_SRGBA8] = ISL_FORMAT_ETC2_EAC_SRGB8_A8,
621 [PIPE_FORMAT_ETC2_R11_UNORM] = ISL_FORMAT_EAC_R11,
622 [PIPE_FORMAT_ETC2_R11_SNORM] = ISL_FORMAT_EAC_SIGNED_R11,
623 [PIPE_FORMAT_ETC2_RG11_UNORM] = ISL_FORMAT_EAC_RG11,
624 [PIPE_FORMAT_ETC2_RG11_SNORM] = ISL_FORMAT_EAC_SIGNED_RG11,
625
626 [PIPE_FORMAT_FXT1_RGB] = ISL_FORMAT_FXT1,
627 [PIPE_FORMAT_FXT1_RGBA] = ISL_FORMAT_FXT1,
628
629 [PIPE_FORMAT_ASTC_4x4] = ISL_FORMAT_ASTC_LDR_2D_4X4_FLT16,
630 [PIPE_FORMAT_ASTC_5x4] = ISL_FORMAT_ASTC_LDR_2D_5X4_FLT16,
631 [PIPE_FORMAT_ASTC_5x5] = ISL_FORMAT_ASTC_LDR_2D_5X5_FLT16,
632 [PIPE_FORMAT_ASTC_6x5] = ISL_FORMAT_ASTC_LDR_2D_6X5_FLT16,
633 [PIPE_FORMAT_ASTC_6x6] = ISL_FORMAT_ASTC_LDR_2D_6X6_FLT16,
634 [PIPE_FORMAT_ASTC_8x5] = ISL_FORMAT_ASTC_LDR_2D_8X5_FLT16,
635 [PIPE_FORMAT_ASTC_8x6] = ISL_FORMAT_ASTC_LDR_2D_8X6_FLT16,
636 [PIPE_FORMAT_ASTC_8x8] = ISL_FORMAT_ASTC_LDR_2D_8X8_FLT16,
637 [PIPE_FORMAT_ASTC_10x5] = ISL_FORMAT_ASTC_LDR_2D_10X5_FLT16,
638 [PIPE_FORMAT_ASTC_10x6] = ISL_FORMAT_ASTC_LDR_2D_10X6_FLT16,
639 [PIPE_FORMAT_ASTC_10x8] = ISL_FORMAT_ASTC_LDR_2D_10X8_FLT16,
640 [PIPE_FORMAT_ASTC_10x10] = ISL_FORMAT_ASTC_LDR_2D_10X10_FLT16,
641 [PIPE_FORMAT_ASTC_12x10] = ISL_FORMAT_ASTC_LDR_2D_12X10_FLT16,
642 [PIPE_FORMAT_ASTC_12x12] = ISL_FORMAT_ASTC_LDR_2D_12X12_FLT16,
643
644 [PIPE_FORMAT_ASTC_4x4_SRGB] = ISL_FORMAT_ASTC_LDR_2D_4X4_U8SRGB,
645 [PIPE_FORMAT_ASTC_5x4_SRGB] = ISL_FORMAT_ASTC_LDR_2D_5X4_U8SRGB,
646 [PIPE_FORMAT_ASTC_5x5_SRGB] = ISL_FORMAT_ASTC_LDR_2D_5X5_U8SRGB,
647 [PIPE_FORMAT_ASTC_6x5_SRGB] = ISL_FORMAT_ASTC_LDR_2D_6X5_U8SRGB,
648 [PIPE_FORMAT_ASTC_6x6_SRGB] = ISL_FORMAT_ASTC_LDR_2D_6X6_U8SRGB,
649 [PIPE_FORMAT_ASTC_8x5_SRGB] = ISL_FORMAT_ASTC_LDR_2D_8X5_U8SRGB,
650 [PIPE_FORMAT_ASTC_8x6_SRGB] = ISL_FORMAT_ASTC_LDR_2D_8X6_U8SRGB,
651 [PIPE_FORMAT_ASTC_8x8_SRGB] = ISL_FORMAT_ASTC_LDR_2D_8X8_U8SRGB,
652 [PIPE_FORMAT_ASTC_10x5_SRGB] = ISL_FORMAT_ASTC_LDR_2D_10X5_U8SRGB,
653 [PIPE_FORMAT_ASTC_10x6_SRGB] = ISL_FORMAT_ASTC_LDR_2D_10X6_U8SRGB,
654 [PIPE_FORMAT_ASTC_10x8_SRGB] = ISL_FORMAT_ASTC_LDR_2D_10X8_U8SRGB,
655 [PIPE_FORMAT_ASTC_10x10_SRGB] = ISL_FORMAT_ASTC_LDR_2D_10X10_U8SRGB,
656 [PIPE_FORMAT_ASTC_12x10_SRGB] = ISL_FORMAT_ASTC_LDR_2D_12X10_U8SRGB,
657 [PIPE_FORMAT_ASTC_12x12_SRGB] = ISL_FORMAT_ASTC_LDR_2D_12X12_U8SRGB,
658
659 [PIPE_FORMAT_A1B5G5R5_UNORM] = ISL_FORMAT_A1B5G5R5_UNORM,
660
661 /* We support these so that we know the API expects no alpha channel.
662 * Otherwise, the state tracker would just give us a format with alpha
663 * and we wouldn't know to override the swizzle to 1.
664 */
665 [PIPE_FORMAT_R16G16B16X16_UINT] = ISL_FORMAT_R16G16B16A16_UINT,
666 [PIPE_FORMAT_R16G16B16X16_SINT] = ISL_FORMAT_R16G16B16A16_SINT,
667 [PIPE_FORMAT_R32G32B32X32_UINT] = ISL_FORMAT_R32G32B32A32_UINT,
668 [PIPE_FORMAT_R32G32B32X32_SINT] = ISL_FORMAT_R32G32B32A32_SINT,
669 [PIPE_FORMAT_R10G10B10X2_SNORM] = ISL_FORMAT_R10G10B10A2_SNORM,
670 };
671 assert(pf < PIPE_FORMAT_COUNT);
672 return table[pf];
673 }
674
675 static unsigned
676 format_gen(const struct gen_device_info *devinfo)
677 {
678 return devinfo->gen * 10 + (devinfo->is_g4x || devinfo->is_haswell) * 5;
679 }
680
681 static bool
682 format_info_exists(enum isl_format format)
683 {
684 assert(format != ISL_FORMAT_UNSUPPORTED);
685 assert(format < ISL_NUM_FORMATS);
686 return format < ARRAY_SIZE(format_info) && format_info[format].exists;
687 }
688
689 bool
690 isl_format_supports_rendering(const struct gen_device_info *devinfo,
691 enum isl_format format)
692 {
693 if (!format_info_exists(format))
694 return false;
695
696 return format_gen(devinfo) >= format_info[format].render_target;
697 }
698
699 bool
700 isl_format_supports_alpha_blending(const struct gen_device_info *devinfo,
701 enum isl_format format)
702 {
703 if (!format_info_exists(format))
704 return false;
705
706 return format_gen(devinfo) >= format_info[format].alpha_blend;
707 }
708
709 bool
710 isl_format_supports_sampling(const struct gen_device_info *devinfo,
711 enum isl_format format)
712 {
713 if (!format_info_exists(format))
714 return false;
715
716 if (devinfo->is_baytrail) {
717 const struct isl_format_layout *fmtl = isl_format_get_layout(format);
718 /* Support for ETC1 and ETC2 exists on Bay Trail even though big-core
719 * GPUs didn't get it until Broadwell.
720 */
721 if (fmtl->txc == ISL_TXC_ETC1 || fmtl->txc == ISL_TXC_ETC2)
722 return true;
723 } else if (devinfo->is_cherryview) {
724 const struct isl_format_layout *fmtl = isl_format_get_layout(format);
725 /* Support for ASTC LDR exists on Cherry View even though big-core
726 * GPUs didn't get it until Skylake.
727 */
728 if (fmtl->txc == ISL_TXC_ASTC)
729 return format < ISL_FORMAT_ASTC_HDR_2D_4X4_FLT16;
730 } else if (gen_device_info_is_9lp(devinfo)) {
731 const struct isl_format_layout *fmtl = isl_format_get_layout(format);
732 /* Support for ASTC HDR exists on Broxton even though big-core
733 * GPUs didn't get it until Cannonlake.
734 */
735 if (fmtl->txc == ISL_TXC_ASTC)
736 return true;
737 }
738
739 return format_gen(devinfo) >= format_info[format].sampling;
740 }
741
742 bool
743 isl_format_supports_filtering(const struct gen_device_info *devinfo,
744 enum isl_format format)
745 {
746 if (!format_info_exists(format))
747 return false;
748
749 if (devinfo->is_baytrail) {
750 const struct isl_format_layout *fmtl = isl_format_get_layout(format);
751 /* Support for ETC1 and ETC2 exists on Bay Trail even though big-core
752 * GPUs didn't get it until Broadwell.
753 */
754 if (fmtl->txc == ISL_TXC_ETC1 || fmtl->txc == ISL_TXC_ETC2)
755 return true;
756 } else if (devinfo->is_cherryview) {
757 const struct isl_format_layout *fmtl = isl_format_get_layout(format);
758 /* Support for ASTC LDR exists on Cherry View even though big-core
759 * GPUs didn't get it until Skylake.
760 */
761 if (fmtl->txc == ISL_TXC_ASTC)
762 return format < ISL_FORMAT_ASTC_HDR_2D_4X4_FLT16;
763 } else if (gen_device_info_is_9lp(devinfo)) {
764 const struct isl_format_layout *fmtl = isl_format_get_layout(format);
765 /* Support for ASTC HDR exists on Broxton even though big-core
766 * GPUs didn't get it until Cannonlake.
767 */
768 if (fmtl->txc == ISL_TXC_ASTC)
769 return true;
770 }
771
772 return format_gen(devinfo) >= format_info[format].filtering;
773 }
774
775 bool
776 isl_format_supports_vertex_fetch(const struct gen_device_info *devinfo,
777 enum isl_format format)
778 {
779 if (!format_info_exists(format))
780 return false;
781
782 /* For vertex fetch, Bay Trail supports the same set of formats as Haswell
783 * but is a superset of Ivy Bridge.
784 */
785 if (devinfo->is_baytrail)
786 return 75 >= format_info[format].input_vb;
787
788 return format_gen(devinfo) >= format_info[format].input_vb;
789 }
790
791 /**
792 * Returns true if the given format can support typed writes.
793 */
794 bool
795 isl_format_supports_typed_writes(const struct gen_device_info *devinfo,
796 enum isl_format format)
797 {
798 if (!format_info_exists(format))
799 return false;
800
801 return format_gen(devinfo) >= format_info[format].typed_write;
802 }
803
804
805 /**
806 * Returns true if the given format can support typed reads with format
807 * conversion fully handled by hardware. On Sky Lake, all formats which are
808 * supported for typed writes also support typed reads but some of them return
809 * the raw image data and don't provide format conversion.
810 *
811 * For anyone looking to find this data in the PRM, the easiest way to find
812 * format tables is to search for R11G11B10. There are only a few
813 * occurrences.
814 */
815 bool
816 isl_format_supports_typed_reads(const struct gen_device_info *devinfo,
817 enum isl_format format)
818 {
819 if (!format_info_exists(format))
820 return false;
821
822 return format_gen(devinfo) >= format_info[format].typed_read;
823 }
824
825 /**
826 * Returns true if the given format can support single-sample fast clears.
827 * This function only checks the format. In order to determine if a surface
828 * supports CCS_E, several other factors need to be considered such as tiling
829 * and sample count. See isl_surf_get_ccs_surf for details.
830 */
831 bool
832 isl_format_supports_ccs_d(const struct gen_device_info *devinfo,
833 enum isl_format format)
834 {
835 /* Clear-only compression was first added on Ivy Bridge and was last
836 * implemented on Ice lake (see BSpec: 43862).
837 */
838 if (devinfo->gen < 7 || devinfo->gen > 11)
839 return false;
840
841 if (!isl_format_supports_rendering(devinfo, format))
842 return false;
843
844 const struct isl_format_layout *fmtl = isl_format_get_layout(format);
845
846 return fmtl->bpb == 32 || fmtl->bpb == 64 || fmtl->bpb == 128;
847 }
848
849 /**
850 * Returns true if the given format can support single-sample color
851 * compression. This function only checks the format. In order to determine
852 * if a surface supports CCS_E, several other factors need to be considered
853 * such as tiling and sample count. See isl_surf_get_ccs_surf for details.
854 */
855 bool
856 isl_format_supports_ccs_e(const struct gen_device_info *devinfo,
857 enum isl_format format)
858 {
859 if (!format_info_exists(format))
860 return false;
861
862 /* For simplicity, only report that a format supports CCS_E if blorp can
863 * perform bit-for-bit copies with an image of that format while compressed.
864 * Unfortunately, R11G11B10_FLOAT is in a compression class of its own and
865 * there is no way to copy to/from it which doesn't potentially loose data
866 * if one of the bit patterns being copied isn't valid finite floats.
867 */
868 if (format == ISL_FORMAT_R11G11B10_FLOAT)
869 return false;
870
871 return format_gen(devinfo) >= format_info[format].ccs_e;
872 }
873
874 bool
875 isl_format_supports_multisampling(const struct gen_device_info *devinfo,
876 enum isl_format format)
877 {
878 /* From the Sandybridge PRM, Volume 4 Part 1 p72, SURFACE_STATE, Surface
879 * Format:
880 *
881 * If Number of Multisamples is set to a value other than
882 * MULTISAMPLECOUNT_1, this field cannot be set to the following
883 * formats:
884 *
885 * - any format with greater than 64 bits per element
886 * - any compressed texture format (BC*)
887 * - any YCRCB* format
888 *
889 * The restriction on the format's size is removed on Broadwell. Moreover,
890 * empirically it looks that even IvyBridge can handle multisampled surfaces
891 * with format sizes all the way to 128-bits (RGBA32F, RGBA32I, RGBA32UI).
892 *
893 * Also, there is an exception for HiZ which we treat as a compressed
894 * format and is allowed to be multisampled on Broadwell and earlier.
895 */
896 if (format == ISL_FORMAT_HIZ) {
897 /* On SKL+, HiZ is always single-sampled even when the primary surface
898 * is multisampled. See also isl_surf_get_hiz_surf().
899 */
900 return devinfo->gen <= 8;
901 } else if (devinfo->gen < 7 && isl_format_get_layout(format)->bpb > 64) {
902 return false;
903 } else if (isl_format_is_compressed(format)) {
904 return false;
905 } else if (isl_format_is_yuv(format)) {
906 return false;
907 } else {
908 return true;
909 }
910 }
911
912 /**
913 * Returns true if the two formats are "CCS_E compatible" meaning that you can
914 * render in one format with CCS_E enabled and then texture using the other
915 * format without needing a resolve.
916 *
917 * Note: Even if the formats are compatible, special care must be taken if a
918 * clear color is involved because the encoding of the clear color is heavily
919 * format-dependent.
920 */
921 bool
922 isl_formats_are_ccs_e_compatible(const struct gen_device_info *devinfo,
923 enum isl_format format1,
924 enum isl_format format2)
925 {
926 /* They must support CCS_E */
927 if (!isl_format_supports_ccs_e(devinfo, format1) ||
928 !isl_format_supports_ccs_e(devinfo, format2))
929 return false;
930
931 /* Gen12 added CCS_E support for A8_UNORM, A8_UNORM and R8_UNORM share the
932 * same aux map format encoding so they are definitely compatible.
933 */
934 if (format1 == ISL_FORMAT_A8_UNORM)
935 format1 = ISL_FORMAT_R8_UNORM;
936
937 if (format2 == ISL_FORMAT_A8_UNORM)
938 format2 = ISL_FORMAT_R8_UNORM;
939
940 const struct isl_format_layout *fmtl1 = isl_format_get_layout(format1);
941 const struct isl_format_layout *fmtl2 = isl_format_get_layout(format2);
942
943 /* The compression used by CCS is not dependent on the actual data encoding
944 * of the format but only depends on the bit-layout of the channels.
945 */
946 return fmtl1->channels.r.bits == fmtl2->channels.r.bits &&
947 fmtl1->channels.g.bits == fmtl2->channels.g.bits &&
948 fmtl1->channels.b.bits == fmtl2->channels.b.bits &&
949 fmtl1->channels.a.bits == fmtl2->channels.a.bits;
950 }
951
952 static bool
953 isl_format_has_channel_type(enum isl_format fmt, enum isl_base_type type)
954 {
955 const struct isl_format_layout *fmtl = isl_format_get_layout(fmt);
956
957 return fmtl->channels.r.type == type ||
958 fmtl->channels.g.type == type ||
959 fmtl->channels.b.type == type ||
960 fmtl->channels.a.type == type ||
961 fmtl->channels.l.type == type ||
962 fmtl->channels.i.type == type ||
963 fmtl->channels.p.type == type;
964 }
965
966 bool
967 isl_format_has_unorm_channel(enum isl_format fmt)
968 {
969 return isl_format_has_channel_type(fmt, ISL_UNORM);
970 }
971
972 bool
973 isl_format_has_snorm_channel(enum isl_format fmt)
974 {
975 return isl_format_has_channel_type(fmt, ISL_SNORM);
976 }
977
978 bool
979 isl_format_has_ufloat_channel(enum isl_format fmt)
980 {
981 return isl_format_has_channel_type(fmt, ISL_UFLOAT);
982 }
983
984 bool
985 isl_format_has_sfloat_channel(enum isl_format fmt)
986 {
987 return isl_format_has_channel_type(fmt, ISL_SFLOAT);
988 }
989
990 bool
991 isl_format_has_uint_channel(enum isl_format fmt)
992 {
993 return isl_format_has_channel_type(fmt, ISL_UINT);
994 }
995
996 bool
997 isl_format_has_sint_channel(enum isl_format fmt)
998 {
999 return isl_format_has_channel_type(fmt, ISL_SINT);
1000 }
1001
1002 bool
1003 isl_format_has_color_component(enum isl_format fmt, int component)
1004 {
1005 const struct isl_format_layout *fmtl = isl_format_get_layout(fmt);
1006 const uint8_t intensity = fmtl->channels.i.bits;
1007 const uint8_t luminance = fmtl->channels.l.bits;
1008
1009 switch (component) {
1010 case 0:
1011 return (fmtl->channels.r.bits + intensity + luminance) > 0;
1012 case 1:
1013 return (fmtl->channels.g.bits + intensity + luminance) > 0;
1014 case 2:
1015 return (fmtl->channels.b.bits + intensity + luminance) > 0;
1016 case 3:
1017 return (fmtl->channels.a.bits + intensity) > 0;
1018 default:
1019 assert(!"Invalid color component: must be 0..3");
1020 return false;
1021 }
1022 }
1023
1024 unsigned
1025 isl_format_get_num_channels(enum isl_format fmt)
1026 {
1027 const struct isl_format_layout *fmtl = isl_format_get_layout(fmt);
1028
1029 assert(fmtl->channels.p.bits == 0);
1030
1031 return (fmtl->channels.r.bits > 0) +
1032 (fmtl->channels.g.bits > 0) +
1033 (fmtl->channels.b.bits > 0) +
1034 (fmtl->channels.a.bits > 0) +
1035 (fmtl->channels.l.bits > 0) +
1036 (fmtl->channels.i.bits > 0);
1037 }
1038
1039 uint32_t
1040 isl_format_get_depth_format(enum isl_format fmt, bool has_stencil)
1041 {
1042 switch (fmt) {
1043 default:
1044 unreachable("bad isl depth format");
1045 case ISL_FORMAT_R32_FLOAT_X8X24_TYPELESS:
1046 assert(has_stencil);
1047 return 0; /* D32_FLOAT_S8X24_UINT */
1048 case ISL_FORMAT_R32_FLOAT:
1049 assert(!has_stencil);
1050 return 1; /* D32_FLOAT */
1051 case ISL_FORMAT_R24_UNORM_X8_TYPELESS:
1052 if (has_stencil) {
1053 return 2; /* D24_UNORM_S8_UINT */
1054 } else {
1055 return 3; /* D24_UNORM_X8_UINT */
1056 }
1057 case ISL_FORMAT_R16_UNORM:
1058 assert(!has_stencil);
1059 return 5; /* D16_UNORM */
1060 }
1061 }
1062
1063 enum isl_format
1064 isl_format_rgb_to_rgba(enum isl_format rgb)
1065 {
1066 assert(isl_format_is_rgb(rgb));
1067
1068 switch (rgb) {
1069 case ISL_FORMAT_R32G32B32_FLOAT: return ISL_FORMAT_R32G32B32A32_FLOAT;
1070 case ISL_FORMAT_R32G32B32_SINT: return ISL_FORMAT_R32G32B32A32_SINT;
1071 case ISL_FORMAT_R32G32B32_UINT: return ISL_FORMAT_R32G32B32A32_UINT;
1072 case ISL_FORMAT_R32G32B32_UNORM: return ISL_FORMAT_R32G32B32A32_UNORM;
1073 case ISL_FORMAT_R32G32B32_SNORM: return ISL_FORMAT_R32G32B32A32_SNORM;
1074 case ISL_FORMAT_R32G32B32_SSCALED: return ISL_FORMAT_R32G32B32A32_SSCALED;
1075 case ISL_FORMAT_R32G32B32_USCALED: return ISL_FORMAT_R32G32B32A32_USCALED;
1076 case ISL_FORMAT_R32G32B32_SFIXED: return ISL_FORMAT_R32G32B32A32_SFIXED;
1077 case ISL_FORMAT_R8G8B8_UNORM: return ISL_FORMAT_R8G8B8A8_UNORM;
1078 case ISL_FORMAT_R8G8B8_SNORM: return ISL_FORMAT_R8G8B8A8_SNORM;
1079 case ISL_FORMAT_R8G8B8_SSCALED: return ISL_FORMAT_R8G8B8A8_SSCALED;
1080 case ISL_FORMAT_R8G8B8_USCALED: return ISL_FORMAT_R8G8B8A8_USCALED;
1081 case ISL_FORMAT_R16G16B16_FLOAT: return ISL_FORMAT_R16G16B16A16_FLOAT;
1082 case ISL_FORMAT_R16G16B16_UNORM: return ISL_FORMAT_R16G16B16A16_UNORM;
1083 case ISL_FORMAT_R16G16B16_SNORM: return ISL_FORMAT_R16G16B16A16_SNORM;
1084 case ISL_FORMAT_R16G16B16_SSCALED: return ISL_FORMAT_R16G16B16A16_SSCALED;
1085 case ISL_FORMAT_R16G16B16_USCALED: return ISL_FORMAT_R16G16B16A16_USCALED;
1086 case ISL_FORMAT_R8G8B8_UNORM_SRGB: return ISL_FORMAT_R8G8B8A8_UNORM_SRGB;
1087 case ISL_FORMAT_R16G16B16_UINT: return ISL_FORMAT_R16G16B16A16_UINT;
1088 case ISL_FORMAT_R16G16B16_SINT: return ISL_FORMAT_R16G16B16A16_SINT;
1089 case ISL_FORMAT_R8G8B8_UINT: return ISL_FORMAT_R8G8B8A8_UINT;
1090 case ISL_FORMAT_R8G8B8_SINT: return ISL_FORMAT_R8G8B8A8_SINT;
1091 default:
1092 return ISL_FORMAT_UNSUPPORTED;
1093 }
1094 }
1095
1096 enum isl_format
1097 isl_format_rgb_to_rgbx(enum isl_format rgb)
1098 {
1099 assert(isl_format_is_rgb(rgb));
1100
1101 switch (rgb) {
1102 case ISL_FORMAT_R32G32B32_FLOAT:
1103 return ISL_FORMAT_R32G32B32X32_FLOAT;
1104 case ISL_FORMAT_R16G16B16_UNORM:
1105 return ISL_FORMAT_R16G16B16X16_UNORM;
1106 case ISL_FORMAT_R16G16B16_FLOAT:
1107 return ISL_FORMAT_R16G16B16X16_FLOAT;
1108 case ISL_FORMAT_R8G8B8_UNORM:
1109 return ISL_FORMAT_R8G8B8X8_UNORM;
1110 case ISL_FORMAT_R8G8B8_UNORM_SRGB:
1111 return ISL_FORMAT_R8G8B8X8_UNORM_SRGB;
1112 default:
1113 return ISL_FORMAT_UNSUPPORTED;
1114 }
1115 }
1116
1117 enum isl_format
1118 isl_format_rgbx_to_rgba(enum isl_format rgbx)
1119 {
1120 assert(isl_format_is_rgbx(rgbx));
1121
1122 switch (rgbx) {
1123 case ISL_FORMAT_R32G32B32X32_FLOAT:
1124 return ISL_FORMAT_R32G32B32A32_FLOAT;
1125 case ISL_FORMAT_R16G16B16X16_UNORM:
1126 return ISL_FORMAT_R16G16B16A16_UNORM;
1127 case ISL_FORMAT_R16G16B16X16_FLOAT:
1128 return ISL_FORMAT_R16G16B16A16_FLOAT;
1129 case ISL_FORMAT_B8G8R8X8_UNORM:
1130 return ISL_FORMAT_B8G8R8A8_UNORM;
1131 case ISL_FORMAT_B8G8R8X8_UNORM_SRGB:
1132 return ISL_FORMAT_B8G8R8A8_UNORM_SRGB;
1133 case ISL_FORMAT_R8G8B8X8_UNORM:
1134 return ISL_FORMAT_R8G8B8A8_UNORM;
1135 case ISL_FORMAT_R8G8B8X8_UNORM_SRGB:
1136 return ISL_FORMAT_R8G8B8A8_UNORM_SRGB;
1137 case ISL_FORMAT_B10G10R10X2_UNORM:
1138 return ISL_FORMAT_B10G10R10A2_UNORM;
1139 case ISL_FORMAT_B5G5R5X1_UNORM:
1140 return ISL_FORMAT_B5G5R5A1_UNORM;
1141 case ISL_FORMAT_B5G5R5X1_UNORM_SRGB:
1142 return ISL_FORMAT_B5G5R5A1_UNORM_SRGB;
1143 default:
1144 assert(!"Invalid RGBX format");
1145 return rgbx;
1146 }
1147 }
1148
1149 static inline void
1150 pack_channel(const union isl_color_value *value, unsigned i,
1151 const struct isl_channel_layout *layout,
1152 enum isl_colorspace colorspace,
1153 uint32_t data_out[4])
1154 {
1155 if (layout->type == ISL_VOID)
1156 return;
1157
1158 if (colorspace == ISL_COLORSPACE_SRGB)
1159 assert(layout->type == ISL_UNORM);
1160
1161 uint32_t packed;
1162 switch (layout->type) {
1163 case ISL_UNORM:
1164 if (colorspace == ISL_COLORSPACE_SRGB) {
1165 if (layout->bits == 8) {
1166 packed = util_format_linear_float_to_srgb_8unorm(value->f32[i]);
1167 } else {
1168 float srgb = util_format_linear_to_srgb_float(value->f32[i]);
1169 packed = _mesa_float_to_unorm(srgb, layout->bits);
1170 }
1171 } else {
1172 packed = _mesa_float_to_unorm(value->f32[i], layout->bits);
1173 }
1174 break;
1175 case ISL_SNORM:
1176 packed = _mesa_float_to_snorm(value->f32[i], layout->bits);
1177 break;
1178 case ISL_SFLOAT:
1179 assert(layout->bits == 16 || layout->bits == 32);
1180 if (layout->bits == 16) {
1181 packed = _mesa_float_to_half(value->f32[i]);
1182 } else {
1183 packed = value->u32[i];
1184 }
1185 break;
1186 case ISL_UINT:
1187 packed = MIN(value->u32[i], MAX_UINT(layout->bits));
1188 break;
1189 case ISL_SINT:
1190 packed = MIN(MAX(value->u32[i], MIN_INT(layout->bits)),
1191 MAX_INT(layout->bits));
1192 break;
1193
1194 default:
1195 unreachable("Invalid channel type");
1196 }
1197
1198 unsigned dword = layout->start_bit / 32;
1199 unsigned bit = layout->start_bit % 32;
1200 assert(bit + layout->bits <= 32);
1201 data_out[dword] |= (packed & MAX_UINT(layout->bits)) << bit;
1202 }
1203
1204 /**
1205 * Take an isl_color_value and pack it into the actual bits as specified by
1206 * the isl_format. This function is very slow for a format conversion
1207 * function but should be fine for a single pixel worth of data.
1208 */
1209 void
1210 isl_color_value_pack(const union isl_color_value *value,
1211 enum isl_format format,
1212 uint32_t *data_out)
1213 {
1214 const struct isl_format_layout *fmtl = isl_format_get_layout(format);
1215 assert(fmtl->colorspace == ISL_COLORSPACE_LINEAR ||
1216 fmtl->colorspace == ISL_COLORSPACE_SRGB);
1217 assert(!isl_format_is_compressed(format));
1218
1219 memset(data_out, 0, isl_align(fmtl->bpb, 32) / 8);
1220
1221 if (format == ISL_FORMAT_R9G9B9E5_SHAREDEXP) {
1222 data_out[0] = float3_to_rgb9e5(value->f32);
1223 return;
1224 } else if (format == ISL_FORMAT_R11G11B10_FLOAT) {
1225 data_out[0] = float3_to_r11g11b10f(value->f32);
1226 return;
1227 }
1228
1229 pack_channel(value, 0, &fmtl->channels.r, fmtl->colorspace, data_out);
1230 pack_channel(value, 1, &fmtl->channels.g, fmtl->colorspace, data_out);
1231 pack_channel(value, 2, &fmtl->channels.b, fmtl->colorspace, data_out);
1232 pack_channel(value, 3, &fmtl->channels.a, ISL_COLORSPACE_LINEAR, data_out);
1233 pack_channel(value, 0, &fmtl->channels.l, fmtl->colorspace, data_out);
1234 pack_channel(value, 0, &fmtl->channels.i, ISL_COLORSPACE_LINEAR, data_out);
1235 assert(fmtl->channels.p.bits == 0);
1236 }
1237
1238 /** Extend an N-bit signed integer to 32 bits */
1239 static inline int32_t
1240 sign_extend(int32_t x, unsigned bits)
1241 {
1242 if (bits < 32) {
1243 unsigned shift = 32 - bits;
1244 return (x << shift) >> shift;
1245 } else {
1246 return x;
1247 }
1248 }
1249
1250 static inline void
1251 unpack_channel(union isl_color_value *value,
1252 unsigned start, unsigned count,
1253 const struct isl_channel_layout *layout,
1254 enum isl_colorspace colorspace,
1255 const uint32_t *data_in)
1256 {
1257 if (layout->type == ISL_VOID)
1258 return;
1259
1260 unsigned dword = layout->start_bit / 32;
1261 unsigned bit = layout->start_bit % 32;
1262 assert(bit + layout->bits <= 32);
1263 uint32_t packed = (data_in[dword] >> bit) & MAX_UINT(layout->bits);
1264
1265 union {
1266 uint32_t u32;
1267 float f32;
1268 } unpacked;
1269
1270 if (colorspace == ISL_COLORSPACE_SRGB)
1271 assert(layout->type == ISL_UNORM);
1272
1273 switch (layout->type) {
1274 case ISL_UNORM:
1275 unpacked.f32 = _mesa_unorm_to_float(packed, layout->bits);
1276 if (colorspace == ISL_COLORSPACE_SRGB) {
1277 if (layout->bits == 8) {
1278 unpacked.f32 = util_format_srgb_8unorm_to_linear_float(packed);
1279 } else {
1280 float srgb = _mesa_unorm_to_float(packed, layout->bits);
1281 unpacked.f32 = util_format_srgb_to_linear_float(srgb);
1282 }
1283 } else {
1284 unpacked.f32 = _mesa_unorm_to_float(packed, layout->bits);
1285 }
1286 break;
1287 case ISL_SNORM:
1288 unpacked.f32 = _mesa_snorm_to_float(sign_extend(packed, layout->bits),
1289 layout->bits);
1290 break;
1291 case ISL_SFLOAT:
1292 assert(layout->bits == 16 || layout->bits == 32);
1293 if (layout->bits == 16) {
1294 unpacked.f32 = _mesa_half_to_float(packed);
1295 } else {
1296 unpacked.u32 = packed;
1297 }
1298 break;
1299 case ISL_UINT:
1300 unpacked.u32 = packed;
1301 break;
1302 case ISL_SINT:
1303 unpacked.u32 = sign_extend(packed, layout->bits);
1304 break;
1305
1306 default:
1307 unreachable("Invalid channel type");
1308 }
1309
1310 for (unsigned i = 0; i < count; i++)
1311 value->u32[start + i] = unpacked.u32;
1312 }
1313
1314 /**
1315 * Take unpack an isl_color_value from the actual bits as specified by
1316 * the isl_format. This function is very slow for a format conversion
1317 * function but should be fine for a single pixel worth of data.
1318 */
1319 void
1320 isl_color_value_unpack(union isl_color_value *value,
1321 enum isl_format format,
1322 const uint32_t data_in[4])
1323 {
1324 const struct isl_format_layout *fmtl = isl_format_get_layout(format);
1325 assert(fmtl->colorspace == ISL_COLORSPACE_LINEAR ||
1326 fmtl->colorspace == ISL_COLORSPACE_SRGB);
1327 assert(!isl_format_is_compressed(format));
1328
1329 /* Default to opaque black. */
1330 memset(value, 0, sizeof(*value));
1331 if (isl_format_has_int_channel(format)) {
1332 value->u32[3] = 1u;
1333 } else {
1334 value->f32[3] = 1.0f;
1335 }
1336
1337 if (format == ISL_FORMAT_R9G9B9E5_SHAREDEXP) {
1338 rgb9e5_to_float3(data_in[0], value->f32);
1339 return;
1340 } else if (format == ISL_FORMAT_R11G11B10_FLOAT) {
1341 r11g11b10f_to_float3(data_in[0], value->f32);
1342 return;
1343 }
1344
1345 unpack_channel(value, 0, 1, &fmtl->channels.r, fmtl->colorspace, data_in);
1346 unpack_channel(value, 1, 1, &fmtl->channels.g, fmtl->colorspace, data_in);
1347 unpack_channel(value, 2, 1, &fmtl->channels.b, fmtl->colorspace, data_in);
1348 unpack_channel(value, 3, 1, &fmtl->channels.a, ISL_COLORSPACE_LINEAR, data_in);
1349 unpack_channel(value, 0, 3, &fmtl->channels.l, fmtl->colorspace, data_in);
1350 unpack_channel(value, 0, 4, &fmtl->channels.i, ISL_COLORSPACE_LINEAR, data_in);
1351 assert(fmtl->channels.p.bits == 0);
1352 }