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/format/u_format.h"
25
26 #include "v3d_context.h"
27 #include "broadcom/cle/v3dx_pack.h"
28 #include "broadcom/common/v3d_macros.h"
29 #include "v3d_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 v3d_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_SRGB, SRGB8_ALPHA8, RGBA8, SWIZ_XYZW, 16, 0),
69 FORMAT(R8G8B8X8_SRGB, SRGB8_ALPHA8, RGBA8, SWIZ_XYZ1, 16, 0),
70 FORMAT(R8G8B8A8_SNORM, NO, RGBA8_SNORM, SWIZ_XYZW, 16, 0),
71 FORMAT(R8G8B8X8_SNORM, NO, RGBA8_SNORM, SWIZ_XYZ1, 16, 0),
72 FORMAT(R10G10B10A2_UNORM, RGB10_A2, RGB10_A2, SWIZ_XYZW, 16, 0),
73 FORMAT(B10G10R10A2_UNORM, RGB10_A2, RGB10_A2, SWIZ_ZYXW, 16, 0),
74 FORMAT(R10G10B10X2_UNORM, RGB10_A2, RGB10_A2, SWIZ_XYZ1, 16, 0),
75 FORMAT(B10G10R10X2_UNORM, RGB10_A2, RGB10_A2, SWIZ_ZYX1, 16, 0),
76 FORMAT(R10G10B10A2_UINT, RGB10_A2UI, RGB10_A2UI, SWIZ_XYZW, 16, 0),
77
78 FORMAT(A4B4G4R4_UNORM, ABGR4444, RGBA4, SWIZ_XYZW, 16, 0),
79
80 FORMAT(A1B5G5R5_UNORM, ABGR1555, RGB5_A1, SWIZ_XYZW, 16, 0),
81 FORMAT(X1B5G5R5_UNORM, ABGR1555, RGB5_A1, SWIZ_XYZ1, 16, 0),
82 FORMAT(B5G6R5_UNORM, BGR565, RGB565, SWIZ_XYZ1, 16, 0),
83
84 FORMAT(R8_UNORM, R8, R8, SWIZ_X001, 16, 0),
85 FORMAT(R8_SNORM, NO, R8_SNORM, SWIZ_X001, 16, 0),
86 FORMAT(R8G8_UNORM, RG8, RG8, SWIZ_XY01, 16, 0),
87 FORMAT(R8G8_SNORM, NO, RG8_SNORM, SWIZ_XY01, 16, 0),
88
89 FORMAT(R16_UNORM, NO, R16, SWIZ_X001, 32, 1),
90 FORMAT(R16_SNORM, NO, R16_SNORM, SWIZ_X001, 32, 1),
91 FORMAT(R16_FLOAT, R16F, R16F, SWIZ_X001, 16, 0),
92 FORMAT(R32_FLOAT, R32F, R32F, SWIZ_X001, 32, 1),
93
94 FORMAT(R16G16_UNORM, NO, RG16, SWIZ_XY01, 32, 2),
95 FORMAT(R16G16_SNORM, NO, RG16_SNORM, SWIZ_XY01, 32, 2),
96 FORMAT(R16G16_FLOAT, RG16F, RG16F, SWIZ_XY01, 16, 0),
97 FORMAT(R32G32_FLOAT, RG32F, RG32F, SWIZ_XY01, 32, 2),
98
99 FORMAT(R16G16B16A16_UNORM, NO, RGBA16, SWIZ_XYZW, 32, 4),
100 FORMAT(R16G16B16A16_SNORM, NO, RGBA16_SNORM, SWIZ_XYZW, 32, 4),
101 FORMAT(R16G16B16A16_FLOAT, RGBA16F, RGBA16F, SWIZ_XYZW, 16, 0),
102 FORMAT(R32G32B32A32_FLOAT, RGBA32F, RGBA32F, SWIZ_XYZW, 32, 4),
103
104 /* If we don't have L/A/LA16, mesa/st will fall back to RGBA16. */
105 FORMAT(L16_UNORM, NO, R16, SWIZ_XXX1, 32, 1),
106 FORMAT(L16_SNORM, NO, R16_SNORM, SWIZ_XXX1, 32, 1),
107 FORMAT(I16_UNORM, NO, R16, SWIZ_XXXX, 32, 1),
108 FORMAT(I16_SNORM, NO, R16_SNORM, SWIZ_XXXX, 32, 1),
109 FORMAT(A16_UNORM, NO, R16, SWIZ_000X, 32, 1),
110 FORMAT(A16_SNORM, NO, R16_SNORM, SWIZ_000X, 32, 1),
111 FORMAT(L16A16_UNORM, NO, RG16, SWIZ_XXXY, 32, 2),
112 FORMAT(L16A16_SNORM, NO, RG16_SNORM, SWIZ_XXXY, 32, 2),
113
114 FORMAT(A8_UNORM, NO, R8, SWIZ_000X, 16, 0),
115 FORMAT(L8_UNORM, NO, R8, SWIZ_XXX1, 16, 0),
116 FORMAT(I8_UNORM, NO, R8, SWIZ_XXXX, 16, 0),
117 FORMAT(L8A8_UNORM, NO, RG8, SWIZ_XXXY, 16, 0),
118
119 FORMAT(R8_SINT, R8I, R8I, SWIZ_X001, 16, 0),
120 FORMAT(R8_UINT, R8UI, R8UI, SWIZ_X001, 16, 0),
121 FORMAT(R8G8_SINT, RG8I, RG8I, SWIZ_XY01, 16, 0),
122 FORMAT(R8G8_UINT, RG8UI, RG8UI, SWIZ_XY01, 16, 0),
123 FORMAT(R8G8B8A8_SINT, RGBA8I, RGBA8I, SWIZ_XYZW, 16, 0),
124 FORMAT(R8G8B8A8_UINT, RGBA8UI, RGBA8UI, SWIZ_XYZW, 16, 0),
125
126 FORMAT(R16_SINT, R16I, R16I, SWIZ_X001, 16, 0),
127 FORMAT(R16_UINT, R16UI, R16UI, SWIZ_X001, 16, 0),
128 FORMAT(R16G16_SINT, RG16I, RG16I, SWIZ_XY01, 16, 0),
129 FORMAT(R16G16_UINT, RG16UI, RG16UI, SWIZ_XY01, 16, 0),
130 FORMAT(R16G16B16A16_SINT, RGBA16I, RGBA16I, SWIZ_XYZW, 16, 0),
131 FORMAT(R16G16B16A16_UINT, RGBA16UI, RGBA16UI, SWIZ_XYZW, 16, 0),
132
133 FORMAT(R32_SINT, R32I, R32I, SWIZ_X001, 32, 1),
134 FORMAT(R32_UINT, R32UI, R32UI, SWIZ_X001, 32, 1),
135 FORMAT(R32G32_SINT, RG32I, RG32I, SWIZ_XY01, 32, 2),
136 FORMAT(R32G32_UINT, RG32UI, RG32UI, SWIZ_XY01, 32, 2),
137 FORMAT(R32G32B32A32_SINT, RGBA32I, RGBA32I, SWIZ_XYZW, 32, 4),
138 FORMAT(R32G32B32A32_UINT, RGBA32UI, RGBA32UI, SWIZ_XYZW, 32, 4),
139
140 FORMAT(A8_SINT, R8I, R8I, SWIZ_000X, 16, 0),
141 FORMAT(A8_UINT, R8UI, R8UI, SWIZ_000X, 16, 0),
142 FORMAT(A16_SINT, R16I, R16I, SWIZ_000X, 16, 0),
143 FORMAT(A16_UINT, R16UI, R16UI, SWIZ_000X, 16, 0),
144 FORMAT(A32_SINT, R32I, R32I, SWIZ_000X, 32, 1),
145 FORMAT(A32_UINT, R32UI, R32UI, SWIZ_000X, 32, 1),
146
147 FORMAT(R11G11B10_FLOAT, R11F_G11F_B10F, R11F_G11F_B10F, SWIZ_XYZ1, 16, 0),
148 FORMAT(R9G9B9E5_FLOAT, NO, RGB9_E5, SWIZ_XYZ1, 16, 0),
149
150 FORMAT(S8_UINT_Z24_UNORM, D24S8, DEPTH24_X8, SWIZ_XXXX, 32, 1),
151 FORMAT(X8Z24_UNORM, D24S8, DEPTH24_X8, SWIZ_XXXX, 32, 1),
152 FORMAT(S8X24_UINT, S8, RGBA8UI, SWIZ_XXXX, 16, 1),
153 FORMAT(Z32_FLOAT, D32F, DEPTH_COMP32F, SWIZ_XXXX, 32, 1),
154 FORMAT(Z16_UNORM, D16, DEPTH_COMP16,SWIZ_XXXX, 32, 1),
155
156 /* Pretend we support this, but it'll be separate Z32F depth and S8. */
157 FORMAT(Z32_FLOAT_S8X24_UINT, D32F, DEPTH_COMP32F, SWIZ_XXXX, 32, 1),
158 FORMAT(X32_S8X24_UINT, S8, R8UI, SWIZ_XXXX, 16, 1),
159
160 FORMAT(ETC2_RGB8, NO, RGB8_ETC2, SWIZ_XYZ1, 16, 0),
161 FORMAT(ETC2_SRGB8, NO, RGB8_ETC2, SWIZ_XYZ1, 16, 0),
162 FORMAT(ETC2_RGB8A1, NO, RGB8_PUNCHTHROUGH_ALPHA1, SWIZ_XYZW, 16, 0),
163 FORMAT(ETC2_SRGB8A1, NO, RGB8_PUNCHTHROUGH_ALPHA1, SWIZ_XYZW, 16, 0),
164 FORMAT(ETC2_RGBA8, NO, RGBA8_ETC2_EAC, SWIZ_XYZW, 16, 0),
165 FORMAT(ETC2_SRGBA8, NO, RGBA8_ETC2_EAC, SWIZ_XYZW, 16, 0),
166 FORMAT(ETC2_R11_UNORM, NO, R11_EAC, SWIZ_X001, 16, 0),
167 FORMAT(ETC2_R11_SNORM, NO, SIGNED_R11_EAC, SWIZ_X001, 16, 0),
168 FORMAT(ETC2_RG11_UNORM, NO, RG11_EAC, SWIZ_XY01, 16, 0),
169 FORMAT(ETC2_RG11_SNORM, NO, SIGNED_RG11_EAC, SWIZ_XY01, 16, 0),
170
171 FORMAT(DXT1_RGB, NO, BC1, SWIZ_XYZ1, 16, 0),
172 FORMAT(DXT1_SRGB, NO, BC1, SWIZ_XYZ1, 16, 0),
173 FORMAT(DXT1_RGBA, NO, BC1, SWIZ_XYZW, 16, 0),
174 FORMAT(DXT1_SRGBA, NO, BC1, SWIZ_XYZW, 16, 0),
175 FORMAT(DXT3_RGBA, NO, BC2, SWIZ_XYZW, 16, 0),
176 FORMAT(DXT3_SRGBA, NO, BC2, SWIZ_XYZW, 16, 0),
177 FORMAT(DXT5_RGBA, NO, BC3, SWIZ_XYZW, 16, 0),
178 FORMAT(DXT5_SRGBA, NO, BC3, SWIZ_XYZW, 16, 0),
179
180 /* Compressed: ASTC */
181 FORMAT(ASTC_4x4, NO, ASTC_4X4, SWIZ_XYZW, 16, 1),
182 FORMAT(ASTC_4x4_SRGB, NO, ASTC_4X4, SWIZ_XYZW, 16, 1),
183 FORMAT(ASTC_5x4, NO, ASTC_5X4, SWIZ_XYZW, 16, 1),
184 FORMAT(ASTC_5x4_SRGB, NO, ASTC_5X4, SWIZ_XYZW, 16, 1),
185 FORMAT(ASTC_5x5, NO, ASTC_5X5, SWIZ_XYZW, 16, 1),
186 FORMAT(ASTC_5x5_SRGB, NO, ASTC_5X5, SWIZ_XYZW, 16, 1),
187 FORMAT(ASTC_6x5, NO, ASTC_6X5, SWIZ_XYZW, 16, 1),
188 FORMAT(ASTC_6x5_SRGB, NO, ASTC_6X5, SWIZ_XYZW, 16, 1),
189 FORMAT(ASTC_6x6, NO, ASTC_6X6, SWIZ_XYZW, 16, 1),
190 FORMAT(ASTC_6x6_SRGB, NO, ASTC_6X6, SWIZ_XYZW, 16, 1),
191 FORMAT(ASTC_8x5, NO, ASTC_8X5, SWIZ_XYZW, 16, 1),
192 FORMAT(ASTC_8x5_SRGB, NO, ASTC_8X5, SWIZ_XYZW, 16, 1),
193 FORMAT(ASTC_8x6, NO, ASTC_8X6, SWIZ_XYZW, 16, 1),
194 FORMAT(ASTC_8x6_SRGB, NO, ASTC_8X6, SWIZ_XYZW, 16, 1),
195 FORMAT(ASTC_8x8, NO, ASTC_8X8, SWIZ_XYZW, 16, 1),
196 FORMAT(ASTC_8x8_SRGB, NO, ASTC_8X8, SWIZ_XYZW, 16, 1),
197 FORMAT(ASTC_10x5, NO, ASTC_10X5, SWIZ_XYZW, 16, 1),
198 FORMAT(ASTC_10x5_SRGB, NO, ASTC_10X5, SWIZ_XYZW, 16, 1),
199 FORMAT(ASTC_10x6, NO, ASTC_10X6, SWIZ_XYZW, 16, 1),
200 FORMAT(ASTC_10x6_SRGB, NO, ASTC_10X6, SWIZ_XYZW, 16, 1),
201 FORMAT(ASTC_10x8, NO, ASTC_10X8, SWIZ_XYZW, 16, 1),
202 FORMAT(ASTC_10x8_SRGB, NO, ASTC_10X8, SWIZ_XYZW, 16, 1),
203 FORMAT(ASTC_10x10, NO, ASTC_10X10, SWIZ_XYZW, 16, 1),
204 FORMAT(ASTC_10x10_SRGB, NO, ASTC_10X10, SWIZ_XYZW, 16, 1),
205 FORMAT(ASTC_12x10, NO, ASTC_12X10, SWIZ_XYZW, 16, 1),
206 FORMAT(ASTC_12x10_SRGB, NO, ASTC_12X10, SWIZ_XYZW, 16, 1),
207 FORMAT(ASTC_12x12, NO, ASTC_12X12, SWIZ_XYZW, 16, 1),
208 FORMAT(ASTC_12x12_SRGB, NO, ASTC_12X12, SWIZ_XYZW, 16, 1),
209 };
210
211 const struct v3d_format *
v3dX(get_format_desc)212 v3dX(get_format_desc)(enum pipe_format f)
213 {
214 if (f < ARRAY_SIZE(format_table) && format_table[f].present)
215 return &format_table[f];
216 else
217 return NULL;
218 }
219
220 void
v3dX(get_internal_type_bpp_for_output_format)221 v3dX(get_internal_type_bpp_for_output_format)(uint32_t format,
222 uint32_t *type,
223 uint32_t *bpp)
224 {
225 switch (format) {
226 case V3D_OUTPUT_IMAGE_FORMAT_RGBA8:
227 case V3D_OUTPUT_IMAGE_FORMAT_RGB8:
228 case V3D_OUTPUT_IMAGE_FORMAT_RG8:
229 case V3D_OUTPUT_IMAGE_FORMAT_R8:
230 case V3D_OUTPUT_IMAGE_FORMAT_ABGR4444:
231 case V3D_OUTPUT_IMAGE_FORMAT_BGR565:
232 case V3D_OUTPUT_IMAGE_FORMAT_ABGR1555:
233 *type = V3D_INTERNAL_TYPE_8;
234 *bpp = V3D_INTERNAL_BPP_32;
235 break;
236
237 case V3D_OUTPUT_IMAGE_FORMAT_RGBA8I:
238 case V3D_OUTPUT_IMAGE_FORMAT_RG8I:
239 case V3D_OUTPUT_IMAGE_FORMAT_R8I:
240 *type = V3D_INTERNAL_TYPE_8I;
241 *bpp = V3D_INTERNAL_BPP_32;
242 break;
243
244 case V3D_OUTPUT_IMAGE_FORMAT_RGBA8UI:
245 case V3D_OUTPUT_IMAGE_FORMAT_RG8UI:
246 case V3D_OUTPUT_IMAGE_FORMAT_R8UI:
247 *type = V3D_INTERNAL_TYPE_8UI;
248 *bpp = V3D_INTERNAL_BPP_32;
249 break;
250
251 case V3D_OUTPUT_IMAGE_FORMAT_SRGB8_ALPHA8:
252 case V3D_OUTPUT_IMAGE_FORMAT_SRGB:
253 case V3D_OUTPUT_IMAGE_FORMAT_RGB10_A2:
254 case V3D_OUTPUT_IMAGE_FORMAT_R11F_G11F_B10F:
255 case V3D_OUTPUT_IMAGE_FORMAT_RGBA16F:
256 /* Note that sRGB RTs are stored in the tile buffer at 16F,
257 * and the conversion to sRGB happens at tilebuffer
258 * load/store.
259 */
260 *type = V3D_INTERNAL_TYPE_16F;
261 *bpp = V3D_INTERNAL_BPP_64;
262 break;
263
264 case V3D_OUTPUT_IMAGE_FORMAT_RG16F:
265 case V3D_OUTPUT_IMAGE_FORMAT_R16F:
266 *type = V3D_INTERNAL_TYPE_16F;
267 /* Use 64bpp to make sure the TLB doesn't throw away the alpha
268 * channel before alpha test happens.
269 */
270 *bpp = V3D_INTERNAL_BPP_64;
271 break;
272
273 case V3D_OUTPUT_IMAGE_FORMAT_RGBA16I:
274 *type = V3D_INTERNAL_TYPE_16I;
275 *bpp = V3D_INTERNAL_BPP_64;
276 break;
277 case V3D_OUTPUT_IMAGE_FORMAT_RG16I:
278 case V3D_OUTPUT_IMAGE_FORMAT_R16I:
279 *type = V3D_INTERNAL_TYPE_16I;
280 *bpp = V3D_INTERNAL_BPP_32;
281 break;
282
283 case V3D_OUTPUT_IMAGE_FORMAT_RGB10_A2UI:
284 case V3D_OUTPUT_IMAGE_FORMAT_RGBA16UI:
285 *type = V3D_INTERNAL_TYPE_16UI;
286 *bpp = V3D_INTERNAL_BPP_64;
287 break;
288 case V3D_OUTPUT_IMAGE_FORMAT_RG16UI:
289 case V3D_OUTPUT_IMAGE_FORMAT_R16UI:
290 *type = V3D_INTERNAL_TYPE_16UI;
291 *bpp = V3D_INTERNAL_BPP_32;
292 break;
293
294 case V3D_OUTPUT_IMAGE_FORMAT_RGBA32I:
295 *type = V3D_INTERNAL_TYPE_32I;
296 *bpp = V3D_INTERNAL_BPP_128;
297 break;
298 case V3D_OUTPUT_IMAGE_FORMAT_RG32I:
299 *type = V3D_INTERNAL_TYPE_32I;
300 *bpp = V3D_INTERNAL_BPP_64;
301 break;
302 case V3D_OUTPUT_IMAGE_FORMAT_R32I:
303 *type = V3D_INTERNAL_TYPE_32I;
304 *bpp = V3D_INTERNAL_BPP_32;
305 break;
306
307 case V3D_OUTPUT_IMAGE_FORMAT_RGBA32UI:
308 *type = V3D_INTERNAL_TYPE_32UI;
309 *bpp = V3D_INTERNAL_BPP_128;
310 break;
311 case V3D_OUTPUT_IMAGE_FORMAT_RG32UI:
312 *type = V3D_INTERNAL_TYPE_32UI;
313 *bpp = V3D_INTERNAL_BPP_64;
314 break;
315 case V3D_OUTPUT_IMAGE_FORMAT_R32UI:
316 *type = V3D_INTERNAL_TYPE_32UI;
317 *bpp = V3D_INTERNAL_BPP_32;
318 break;
319
320 case V3D_OUTPUT_IMAGE_FORMAT_RGBA32F:
321 *type = V3D_INTERNAL_TYPE_32F;
322 *bpp = V3D_INTERNAL_BPP_128;
323 break;
324 case V3D_OUTPUT_IMAGE_FORMAT_RG32F:
325 *type = V3D_INTERNAL_TYPE_32F;
326 *bpp = V3D_INTERNAL_BPP_64;
327 break;
328 case V3D_OUTPUT_IMAGE_FORMAT_R32F:
329 *type = V3D_INTERNAL_TYPE_32F;
330 *bpp = V3D_INTERNAL_BPP_32;
331 break;
332
333 default:
334 /* Provide some default values, as we'll be called at RB
335 * creation time, even if an RB with this format isn't
336 * supported.
337 */
338 *type = V3D_INTERNAL_TYPE_8;
339 *bpp = V3D_INTERNAL_BPP_32;
340 break;
341 }
342 }
343
344 bool
v3dX(tfu_supports_tex_format)345 v3dX(tfu_supports_tex_format)(uint32_t tex_format,
346 bool for_mipmap)
347 {
348 switch (tex_format) {
349 case TEXTURE_DATA_FORMAT_R8:
350 case TEXTURE_DATA_FORMAT_R8_SNORM:
351 case TEXTURE_DATA_FORMAT_RG8:
352 case TEXTURE_DATA_FORMAT_RG8_SNORM:
353 case TEXTURE_DATA_FORMAT_RGBA8:
354 case TEXTURE_DATA_FORMAT_RGBA8_SNORM:
355 case TEXTURE_DATA_FORMAT_RGB565:
356 case TEXTURE_DATA_FORMAT_RGBA4:
357 case TEXTURE_DATA_FORMAT_RGB5_A1:
358 case TEXTURE_DATA_FORMAT_RGB10_A2:
359 case TEXTURE_DATA_FORMAT_R16:
360 case TEXTURE_DATA_FORMAT_R16_SNORM:
361 case TEXTURE_DATA_FORMAT_RG16:
362 case TEXTURE_DATA_FORMAT_RG16_SNORM:
363 case TEXTURE_DATA_FORMAT_RGBA16:
364 case TEXTURE_DATA_FORMAT_RGBA16_SNORM:
365 case TEXTURE_DATA_FORMAT_R16F:
366 case TEXTURE_DATA_FORMAT_RG16F:
367 case TEXTURE_DATA_FORMAT_RGBA16F:
368 case TEXTURE_DATA_FORMAT_R11F_G11F_B10F:
369 case TEXTURE_DATA_FORMAT_R4:
370 return true;
371 case TEXTURE_DATA_FORMAT_RGB9_E5:
372 case TEXTURE_DATA_FORMAT_R32F:
373 case TEXTURE_DATA_FORMAT_RG32F:
374 case TEXTURE_DATA_FORMAT_RGBA32F:
375 return !for_mipmap;
376 default:
377 return false;
378 }
379 }
380