1 /*
2 * Copyright © 2014-2018 Broadcom
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 "util/u_format.h"
25
26 #include "vc5_context.h"
27 #include "broadcom/cle/v3dx_pack.h"
28 #include "broadcom/common/v3d_macros.h"
29 #include "vc5_format_table.h"
30
31 #define SWIZ(x,y,z,w) { \
32 PIPE_SWIZZLE_##x, \
33 PIPE_SWIZZLE_##y, \
34 PIPE_SWIZZLE_##z, \
35 PIPE_SWIZZLE_##w \
36 }
37
38 #define FORMAT(pipe, rt, tex, swiz, return_size, return_channels) \
39 [PIPE_FORMAT_##pipe] = { \
40 true, \
41 V3D_OUTPUT_IMAGE_FORMAT_##rt, \
42 TEXTURE_DATA_FORMAT_##tex, \
43 swiz, \
44 return_size, \
45 return_channels, \
46 }
47
48 #define SWIZ_X001 SWIZ(X, 0, 0, 1)
49 #define SWIZ_XY01 SWIZ(X, Y, 0, 1)
50 #define SWIZ_XYZ1 SWIZ(X, Y, Z, 1)
51 #define SWIZ_XYZW SWIZ(X, Y, Z, W)
52 #define SWIZ_YZWX SWIZ(Y, Z, W, X)
53 #define SWIZ_YZW1 SWIZ(Y, Z, W, 1)
54 #define SWIZ_ZYXW SWIZ(Z, Y, X, W)
55 #define SWIZ_ZYX1 SWIZ(Z, Y, X, 1)
56 #define SWIZ_XXXY SWIZ(X, X, X, Y)
57 #define SWIZ_XXX1 SWIZ(X, X, X, 1)
58 #define SWIZ_XXXX SWIZ(X, X, X, X)
59 #define SWIZ_000X SWIZ(0, 0, 0, X)
60
61 static const struct vc5_format format_table[] = {
62 FORMAT(B8G8R8A8_UNORM, RGBA8, RGBA8, SWIZ_ZYXW, 16, 0),
63 FORMAT(B8G8R8X8_UNORM, RGBA8, RGBA8, SWIZ_ZYX1, 16, 0),
64 FORMAT(B8G8R8A8_SRGB, SRGB8_ALPHA8, RGBA8, SWIZ_ZYXW, 16, 0),
65 FORMAT(B8G8R8X8_SRGB, SRGB8_ALPHA8, RGBA8, SWIZ_ZYX1, 16, 0),
66 FORMAT(R8G8B8A8_UNORM, RGBA8, RGBA8, SWIZ_XYZW, 16, 0),
67 FORMAT(R8G8B8X8_UNORM, RGBA8, RGBA8, SWIZ_XYZ1, 16, 0),
68 FORMAT(R8G8B8A8_SNORM, NO, RGBA8_SNORM, SWIZ_XYZW, 16, 0),
69 FORMAT(R8G8B8X8_SNORM, NO, RGBA8_SNORM, SWIZ_XYZ1, 16, 0),
70 FORMAT(R10G10B10A2_UNORM, RGB10_A2, RGB10_A2, SWIZ_XYZW, 16, 0),
71 FORMAT(B10G10R10A2_UINT, RGB10_A2UI, RGB10_A2UI, SWIZ_ZYXW, 16, 0),
72
73 FORMAT(B4G4R4A4_UNORM, ABGR4444, RGBA4, SWIZ_YZWX, 16, 0),
74 FORMAT(B4G4R4X4_UNORM, ABGR4444, RGBA4, SWIZ_YZW1, 16, 0),
75
76 FORMAT(A1B5G5R5_UNORM, ABGR1555, RGB5_A1, SWIZ_XYZW, 16, 0),
77 FORMAT(X1B5G5R5_UNORM, ABGR1555, RGB5_A1, SWIZ_XYZ1, 16, 0),
78 FORMAT(B5G6R5_UNORM, BGR565, RGB565, SWIZ_XYZ1, 16, 0),
79
80 FORMAT(R8_UNORM, R8, R8, SWIZ_X001, 16, 0),
81 FORMAT(R8_SNORM, NO, R8_SNORM, SWIZ_X001, 16, 0),
82 FORMAT(R8G8_UNORM, RG8, RG8, SWIZ_XY01, 16, 0),
83 FORMAT(R8G8_SNORM, NO, RG8_SNORM, SWIZ_XY01, 16, 0),
84
85 FORMAT(R16_UNORM, NO, R16, SWIZ_X001, 32, 1),
86 FORMAT(R16_SNORM, NO, R16_SNORM, SWIZ_X001, 32, 1),
87 FORMAT(R16_FLOAT, R16F, R16F, SWIZ_X001, 16, 0),
88 FORMAT(R32_FLOAT, R32F, R32F, SWIZ_X001, 32, 1),
89
90 FORMAT(R16G16_UNORM, NO, RG16, SWIZ_XY01, 32, 2),
91 FORMAT(R16G16_SNORM, NO, RG16_SNORM, SWIZ_XY01, 32, 2),
92 FORMAT(R16G16_FLOAT, RG16F, RG16F, SWIZ_XY01, 16, 0),
93 FORMAT(R32G32_FLOAT, RG32F, RG32F, SWIZ_XY01, 32, 2),
94
95 FORMAT(R16G16B16A16_UNORM, NO, RGBA16, SWIZ_XYZW, 32, 4),
96 FORMAT(R16G16B16A16_SNORM, NO, RGBA16_SNORM, SWIZ_XYZW, 32, 4),
97 FORMAT(R16G16B16A16_FLOAT, RGBA16F, RGBA16F, SWIZ_XYZW, 16, 0),
98 FORMAT(R32G32B32A32_FLOAT, RGBA32F, RGBA32F, SWIZ_XYZW, 32, 4),
99
100 /* If we don't have L/A/LA16, mesa/st will fall back to RGBA16. */
101 FORMAT(L16_UNORM, NO, R16, SWIZ_XXX1, 32, 1),
102 FORMAT(L16_SNORM, NO, R16_SNORM, SWIZ_XXX1, 32, 1),
103 FORMAT(I16_UNORM, NO, R16, SWIZ_XXXX, 32, 1),
104 FORMAT(I16_SNORM, NO, R16_SNORM, SWIZ_XXXX, 32, 1),
105 FORMAT(A16_UNORM, NO, R16, SWIZ_000X, 32, 1),
106 FORMAT(A16_SNORM, NO, R16_SNORM, SWIZ_000X, 32, 1),
107 FORMAT(L16A16_UNORM, NO, RG16, SWIZ_XXXY, 32, 2),
108 FORMAT(L16A16_SNORM, NO, RG16_SNORM, SWIZ_XXXY, 32, 2),
109
110 FORMAT(A8_UNORM, NO, R8, SWIZ_000X, 16, 0),
111 FORMAT(L8_UNORM, NO, R8, SWIZ_XXX1, 16, 0),
112 FORMAT(I8_UNORM, NO, R8, SWIZ_XXXX, 16, 0),
113 FORMAT(L8A8_UNORM, NO, RG8, SWIZ_XXXY, 16, 0),
114
115 FORMAT(R8_SINT, R8I, R8I, SWIZ_X001, 16, 0),
116 FORMAT(R8_UINT, R8UI, R8UI, SWIZ_X001, 16, 0),
117 FORMAT(R8G8_SINT, RG8I, RG8I, SWIZ_XY01, 16, 0),
118 FORMAT(R8G8_UINT, RG8UI, RG8UI, SWIZ_XY01, 16, 0),
119 FORMAT(R8G8B8A8_SINT, RGBA8I, RGBA8I, SWIZ_XYZW, 16, 0),
120 FORMAT(R8G8B8A8_UINT, RGBA8UI, RGBA8UI, SWIZ_XYZW, 16, 0),
121
122 FORMAT(R16_SINT, R16I, R16I, SWIZ_X001, 16, 0),
123 FORMAT(R16_UINT, R16UI, R16UI, SWIZ_X001, 16, 0),
124 FORMAT(R16G16_SINT, RG16I, R16I, SWIZ_XY01, 16, 0),
125 FORMAT(R16G16_UINT, RG16UI, R16UI, SWIZ_XY01, 16, 0),
126 FORMAT(R16G16B16A16_SINT, RGBA16I, RGBA16I, SWIZ_XYZW, 16, 0),
127 FORMAT(R16G16B16A16_UINT, RGBA16UI, RGBA16UI, SWIZ_XYZW, 16, 0),
128
129 FORMAT(R32_SINT, R32I, R32I, SWIZ_X001, 32, 1),
130 FORMAT(R32_UINT, R32UI, R32UI, SWIZ_X001, 32, 1),
131 FORMAT(R32G32_SINT, RG32I, RG32I, SWIZ_XY01, 32, 2),
132 FORMAT(R32G32_UINT, RG32UI, RG32UI, SWIZ_XY01, 32, 2),
133 FORMAT(R32G32B32A32_SINT, RGBA32I, RGBA32I, SWIZ_XYZW, 32, 4),
134 FORMAT(R32G32B32A32_UINT, RGBA32UI, RGBA32UI, SWIZ_XYZW, 32, 4),
135
136 FORMAT(A8_SINT, R8I, R8I, SWIZ_000X, 16, 0),
137 FORMAT(A8_UINT, R8UI, R8UI, SWIZ_000X, 16, 0),
138 FORMAT(A16_SINT, R16I, R16I, SWIZ_000X, 16, 0),
139 FORMAT(A16_UINT, R16UI, R16UI, SWIZ_000X, 16, 0),
140 FORMAT(A32_SINT, R32I, R32I, SWIZ_000X, 32, 1),
141 FORMAT(A32_UINT, R32UI, R32UI, SWIZ_000X, 32, 1),
142
143 FORMAT(R11G11B10_FLOAT, R11F_G11F_B10F, R11F_G11F_B10F, SWIZ_XYZW, 16, 0),
144 FORMAT(R9G9B9E5_FLOAT, NO, RGB9_E5, SWIZ_XYZW, 16, 0),
145
146 #if V3D_VERSION >= 40
147 FORMAT(S8_UINT_Z24_UNORM, D24S8, DEPTH24_X8, SWIZ_XXXX, 32, 1),
148 FORMAT(X8Z24_UNORM, D24S8, DEPTH24_X8, SWIZ_XXXX, 32, 1),
149 FORMAT(S8X24_UINT, S8, R32F, SWIZ_XXXX, 32, 1),
150 FORMAT(Z32_FLOAT, D32F, R32F, SWIZ_XXXX, 32, 1),
151 FORMAT(Z16_UNORM, D16, DEPTH_COMP16,SWIZ_XXXX, 32, 1),
152
153 /* Pretend we support this, but it'll be separate Z32F depth and S8. */
154 FORMAT(Z32_FLOAT_S8X24_UINT, D32F, R32F, SWIZ_XXXX, 32, 1),
155 #else
156 FORMAT(S8_UINT_Z24_UNORM, ZS_DEPTH24_STENCIL8, DEPTH24_X8, SWIZ_XXXX, 32, 1),
157 FORMAT(X8Z24_UNORM, ZS_DEPTH24_STENCIL8, DEPTH24_X8, SWIZ_XXXX, 32, 1),
158 FORMAT(S8X24_UINT, NO, R32F, SWIZ_XXXX, 32, 1),
159 FORMAT(Z32_FLOAT, ZS_DEPTH_COMPONENT32F, R32F, SWIZ_XXXX, 32, 1),
160 FORMAT(Z16_UNORM, ZS_DEPTH_COMPONENT16, DEPTH_COMP16, SWIZ_XXXX, 32, 1),
161
162 /* Pretend we support this, but it'll be separate Z32F depth and S8. */
163 FORMAT(Z32_FLOAT_S8X24_UINT, ZS_DEPTH_COMPONENT32F, R32F, SWIZ_XXXX, 32, 1),
164 #endif
165
166 FORMAT(ETC2_RGB8, NO, RGB8_ETC2, SWIZ_XYZ1, 16, 0),
167 FORMAT(ETC2_SRGB8, NO, RGB8_ETC2, SWIZ_XYZ1, 16, 0),
168 FORMAT(ETC2_RGB8A1, NO, RGB8_PUNCHTHROUGH_ALPHA1, SWIZ_XYZW, 16, 0),
169 FORMAT(ETC2_SRGB8A1, NO, RGB8_PUNCHTHROUGH_ALPHA1, SWIZ_XYZW, 16, 0),
170 FORMAT(ETC2_RGBA8, NO, RGBA8_ETC2_EAC, SWIZ_XYZW, 16, 0),
171 FORMAT(ETC2_SRGBA8, NO, RGBA8_ETC2_EAC, SWIZ_XYZW, 16, 0),
172 FORMAT(ETC2_R11_UNORM, NO, R11_EAC, SWIZ_X001, 16, 0),
173 FORMAT(ETC2_R11_SNORM, NO, SIGNED_R11_EAC, SWIZ_X001, 16, 0),
174 FORMAT(ETC2_RG11_UNORM, NO, RG11_EAC, SWIZ_XY01, 16, 0),
175 FORMAT(ETC2_RG11_SNORM, NO, SIGNED_RG11_EAC, SWIZ_XY01, 16, 0),
176
177 FORMAT(DXT1_RGB, NO, BC1, SWIZ_XYZ1, 16, 0),
178 FORMAT(DXT3_RGBA, NO, BC2, SWIZ_XYZ1, 16, 0),
179 FORMAT(DXT5_RGBA, NO, BC3, SWIZ_XYZ1, 16, 0),
180 };
181
182 const struct vc5_format *
v3dX(get_format_desc)183 v3dX(get_format_desc)(enum pipe_format f)
184 {
185 if (f < ARRAY_SIZE(format_table) && format_table[f].present)
186 return &format_table[f];
187 else
188 return NULL;
189 }
190
191 void
v3dX(get_internal_type_bpp_for_output_format)192 v3dX(get_internal_type_bpp_for_output_format)(uint32_t format,
193 uint32_t *type,
194 uint32_t *bpp)
195 {
196 switch (format) {
197 case V3D_OUTPUT_IMAGE_FORMAT_RGBA8:
198 #if V3D_VERSION < 41
199 case V3D_OUTPUT_IMAGE_FORMAT_RGBX8:
200 #endif
201 case V3D_OUTPUT_IMAGE_FORMAT_RGB8:
202 case V3D_OUTPUT_IMAGE_FORMAT_RG8:
203 case V3D_OUTPUT_IMAGE_FORMAT_R8:
204 case V3D_OUTPUT_IMAGE_FORMAT_ABGR4444:
205 case V3D_OUTPUT_IMAGE_FORMAT_BGR565:
206 case V3D_OUTPUT_IMAGE_FORMAT_ABGR1555:
207 *type = V3D_INTERNAL_TYPE_8;
208 *bpp = V3D_INTERNAL_BPP_32;
209 break;
210
211 case V3D_OUTPUT_IMAGE_FORMAT_RGBA8I:
212 case V3D_OUTPUT_IMAGE_FORMAT_RG8I:
213 case V3D_OUTPUT_IMAGE_FORMAT_R8I:
214 *type = V3D_INTERNAL_TYPE_8I;
215 *bpp = V3D_INTERNAL_BPP_32;
216 break;
217
218 case V3D_OUTPUT_IMAGE_FORMAT_RGBA8UI:
219 case V3D_OUTPUT_IMAGE_FORMAT_RG8UI:
220 case V3D_OUTPUT_IMAGE_FORMAT_R8UI:
221 *type = V3D_INTERNAL_TYPE_8UI;
222 *bpp = V3D_INTERNAL_BPP_32;
223 break;
224
225 case V3D_OUTPUT_IMAGE_FORMAT_SRGB8_ALPHA8:
226 case V3D_OUTPUT_IMAGE_FORMAT_SRGB:
227 case V3D_OUTPUT_IMAGE_FORMAT_RGB10_A2:
228 case V3D_OUTPUT_IMAGE_FORMAT_R11F_G11F_B10F:
229 #if V3D_VERSION < 41
230 case V3D_OUTPUT_IMAGE_FORMAT_SRGBX8:
231 #endif
232 case V3D_OUTPUT_IMAGE_FORMAT_RGBA16F:
233 /* Note that sRGB RTs are stored in the tile buffer at 16F,
234 * and the conversion to sRGB happens at tilebuffer
235 * load/store.
236 */
237 *type = V3D_INTERNAL_TYPE_16F;
238 *bpp = V3D_INTERNAL_BPP_64;
239 break;
240
241 case V3D_OUTPUT_IMAGE_FORMAT_RG16F:
242 case V3D_OUTPUT_IMAGE_FORMAT_R16F:
243 *type = V3D_INTERNAL_TYPE_16F;
244 /* Use 64bpp to make sure the TLB doesn't throw away the alpha
245 * channel before alpha test happens.
246 */
247 *bpp = V3D_INTERNAL_BPP_64;
248 break;
249
250 case V3D_OUTPUT_IMAGE_FORMAT_RGBA16I:
251 *type = V3D_INTERNAL_TYPE_16I;
252 *bpp = V3D_INTERNAL_BPP_64;
253 break;
254 case V3D_OUTPUT_IMAGE_FORMAT_RG16I:
255 case V3D_OUTPUT_IMAGE_FORMAT_R16I:
256 *type = V3D_INTERNAL_TYPE_16I;
257 *bpp = V3D_INTERNAL_BPP_32;
258 break;
259
260 case V3D_OUTPUT_IMAGE_FORMAT_RGB10_A2UI:
261 case V3D_OUTPUT_IMAGE_FORMAT_RGBA16UI:
262 *type = V3D_INTERNAL_TYPE_16UI;
263 *bpp = V3D_INTERNAL_BPP_64;
264 break;
265 case V3D_OUTPUT_IMAGE_FORMAT_RG16UI:
266 case V3D_OUTPUT_IMAGE_FORMAT_R16UI:
267 *type = V3D_INTERNAL_TYPE_16UI;
268 *bpp = V3D_INTERNAL_BPP_32;
269 break;
270
271 case V3D_OUTPUT_IMAGE_FORMAT_RGBA32I:
272 *type = V3D_INTERNAL_TYPE_32I;
273 *bpp = V3D_INTERNAL_BPP_128;
274 break;
275 case V3D_OUTPUT_IMAGE_FORMAT_RG32I:
276 *type = V3D_INTERNAL_TYPE_32I;
277 *bpp = V3D_INTERNAL_BPP_64;
278 break;
279 case V3D_OUTPUT_IMAGE_FORMAT_R32I:
280 *type = V3D_INTERNAL_TYPE_32I;
281 *bpp = V3D_INTERNAL_BPP_32;
282 break;
283
284 case V3D_OUTPUT_IMAGE_FORMAT_RGBA32UI:
285 *type = V3D_INTERNAL_TYPE_32UI;
286 *bpp = V3D_INTERNAL_BPP_128;
287 break;
288 case V3D_OUTPUT_IMAGE_FORMAT_RG32UI:
289 *type = V3D_INTERNAL_TYPE_32UI;
290 *bpp = V3D_INTERNAL_BPP_64;
291 break;
292 case V3D_OUTPUT_IMAGE_FORMAT_R32UI:
293 *type = V3D_INTERNAL_TYPE_32UI;
294 *bpp = V3D_INTERNAL_BPP_32;
295 break;
296
297 case V3D_OUTPUT_IMAGE_FORMAT_RGBA32F:
298 *type = V3D_INTERNAL_TYPE_32F;
299 *bpp = V3D_INTERNAL_BPP_128;
300 break;
301 case V3D_OUTPUT_IMAGE_FORMAT_RG32F:
302 *type = V3D_INTERNAL_TYPE_32F;
303 *bpp = V3D_INTERNAL_BPP_64;
304 break;
305 case V3D_OUTPUT_IMAGE_FORMAT_R32F:
306 *type = V3D_INTERNAL_TYPE_32F;
307 *bpp = V3D_INTERNAL_BPP_32;
308 break;
309
310 default:
311 /* Provide some default values, as we'll be called at RB
312 * creation time, even if an RB with this format isn't
313 * supported.
314 */
315 *type = V3D_INTERNAL_TYPE_8;
316 *bpp = V3D_INTERNAL_BPP_32;
317 break;
318 }
319 }
320