2 * Copyright © 2014-2017 Broadcom
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:
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
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
27 * Contains the table and accessors for VC5 texture and render target format
30 * The hardware has limited support for texture formats, and extremely limited
31 * support for render target formats. As a result, we emulate other formats
32 * in our shader code, and this stores the table for doing so.
35 #include "util/u_format.h"
36 #include "util/macros.h"
38 #include "vc5_context.h"
39 #include "broadcom/cle/v3d_packet_v33_pack.h"
41 #define OUTPUT_IMAGE_FORMAT_NO 255
44 /** Set if the pipe format is defined in the table. */
47 /** One of V3D33_OUTPUT_IMAGE_FORMAT_*, or OUTPUT_IMAGE_FORMAT_NO */
50 /** One of V3D33_TEXTURE_DATA_FORMAT_*. */
54 * Swizzle to apply to the RGBA shader output for storing to the tile
55 * buffer, to the RGBA tile buffer to produce shader input (for
56 * blending), and for turning the rgba8888 texture sampler return
57 * value into shader rgba values.
61 /* Whether the return value is 16F/I/UI or 32F/I/UI. */
64 /* If return_size == 32, how many channels are returned by texturing.
65 * 16 always returns 2 pairs of 16 bit values.
67 uint8_t return_channels
;
70 #define SWIZ(x,y,z,w) { \
77 #define FORMAT(pipe, rt, tex, swiz, return_size, return_channels) \
78 [PIPE_FORMAT_##pipe] = { \
80 OUTPUT_IMAGE_FORMAT_##rt, \
81 TEXTURE_DATA_FORMAT_##tex, \
87 #define SWIZ_X001 SWIZ(X, 0, 0, 1)
88 #define SWIZ_XY01 SWIZ(X, Y, 0, 1)
89 #define SWIZ_XYZ1 SWIZ(X, Y, Z, 1)
90 #define SWIZ_XYZW SWIZ(X, Y, Z, W)
91 #define SWIZ_YZWX SWIZ(Y, Z, W, X)
92 #define SWIZ_YZW1 SWIZ(Y, Z, W, 1)
93 #define SWIZ_ZYXW SWIZ(Z, Y, X, W)
94 #define SWIZ_ZYX1 SWIZ(Z, Y, X, 1)
95 #define SWIZ_XXXY SWIZ(X, X, X, Y)
96 #define SWIZ_XXX1 SWIZ(X, X, X, 1)
97 #define SWIZ_XXXX SWIZ(X, X, X, X)
98 #define SWIZ_000X SWIZ(0, 0, 0, X)
100 static const struct vc5_format vc5_format_table
[] = {
101 FORMAT(B8G8R8A8_UNORM
, RGBA8
, RGBA8
, SWIZ_ZYXW
, 16, 0),
102 FORMAT(B8G8R8X8_UNORM
, RGBX8
, RGBA8
, SWIZ_ZYX1
, 16, 0),
103 FORMAT(B8G8R8A8_SRGB
, SRGB8_ALPHA8
, RGBA8
, SWIZ_ZYXW
, 16, 0),
104 FORMAT(B8G8R8X8_SRGB
, SRGBX8
, RGBA8
, SWIZ_ZYX1
, 16, 0),
105 FORMAT(R8G8B8A8_UNORM
, RGBA8
, RGBA8
, SWIZ_XYZW
, 16, 0),
106 FORMAT(R8G8B8X8_UNORM
, RGBX8
, RGBA8
, SWIZ_XYZ1
, 16, 0),
107 FORMAT(R8G8B8A8_SNORM
, NO
, RGBA8_SNORM
, SWIZ_XYZW
, 16, 0),
108 FORMAT(R8G8B8X8_SNORM
, NO
, RGBA8_SNORM
, SWIZ_XYZ1
, 16, 0),
109 FORMAT(R10G10B10A2_UNORM
, RGB10_A2
, RGB10_A2
, SWIZ_XYZW
, 16, 0),
111 FORMAT(B4G4R4A4_UNORM
, ABGR4444
, RGBA4
, SWIZ_YZWX
, 16, 0),
112 FORMAT(B4G4R4X4_UNORM
, ABGR4444
, RGBA4
, SWIZ_YZW1
, 16, 0),
114 FORMAT(A1B5G5R5_UNORM
, ABGR1555
, RGB5_A1
, SWIZ_XYZW
, 16, 0),
115 FORMAT(X1B5G5R5_UNORM
, ABGR1555
, RGB5_A1
, SWIZ_XYZ1
, 16, 0),
116 FORMAT(B5G6R5_UNORM
, BGR565
, RGB565
, SWIZ_XYZ1
, 16, 0),
118 FORMAT(R8_UNORM
, R8
, R8
, SWIZ_X001
, 16, 0),
119 FORMAT(R8_SNORM
, NO
, R8_SNORM
, SWIZ_X001
, 16, 0),
120 FORMAT(R8G8_UNORM
, RG8
, RG8
, SWIZ_XY01
, 16, 0),
121 FORMAT(R8G8_SNORM
, NO
, RG8_SNORM
, SWIZ_XY01
, 16, 0),
123 FORMAT(R16_UNORM
, NO
, R16
, SWIZ_X001
, 32, 1),
124 FORMAT(R16_SNORM
, NO
, R16_SNORM
, SWIZ_X001
, 32, 1),
125 FORMAT(R16_FLOAT
, R16F
, R16F
, SWIZ_X001
, 16, 0),
126 FORMAT(R32_FLOAT
, R32F
, R32F
, SWIZ_X001
, 32, 1),
128 FORMAT(R16G16_UNORM
, NO
, RG16
, SWIZ_XY01
, 32, 2),
129 FORMAT(R16G16_SNORM
, NO
, RG16_SNORM
, SWIZ_XY01
, 32, 2),
130 FORMAT(R16G16_FLOAT
, RG16F
, RG16F
, SWIZ_XY01
, 16, 0),
131 FORMAT(R32G32_FLOAT
, RG32F
, RG32F
, SWIZ_XY01
, 32, 2),
133 FORMAT(R16G16B16A16_UNORM
, NO
, RGBA16
, SWIZ_XYZW
, 32, 4),
134 FORMAT(R16G16B16A16_SNORM
, NO
, RGBA16_SNORM
, SWIZ_XYZW
, 32, 4),
135 FORMAT(R16G16B16A16_FLOAT
, RGBA16F
, RGBA16F
, SWIZ_XYZW
, 16, 0),
136 FORMAT(R32G32B32A32_FLOAT
, RGBA32F
, RGBA32F
, SWIZ_XYZW
, 32, 4),
138 /* If we don't have L/A/LA16, mesa/st will fall back to RGBA16. */
139 FORMAT(L16_UNORM
, NO
, R16
, SWIZ_XXX1
, 32, 1),
140 FORMAT(L16_SNORM
, NO
, R16_SNORM
, SWIZ_XXX1
, 32, 1),
141 FORMAT(I16_UNORM
, NO
, R16
, SWIZ_XXXX
, 32, 1),
142 FORMAT(I16_SNORM
, NO
, R16_SNORM
, SWIZ_XXXX
, 32, 1),
143 FORMAT(A16_UNORM
, NO
, R16
, SWIZ_000X
, 32, 1),
144 FORMAT(A16_SNORM
, NO
, R16_SNORM
, SWIZ_000X
, 32, 1),
145 FORMAT(L16A16_UNORM
, NO
, RG16
, SWIZ_XXXY
, 32, 2),
146 FORMAT(L16A16_SNORM
, NO
, RG16_SNORM
, SWIZ_XXXY
, 32, 2),
148 FORMAT(A8_UNORM
, NO
, R8
, SWIZ_000X
, 16, 0),
149 FORMAT(L8_UNORM
, NO
, R8
, SWIZ_XXX1
, 16, 0),
150 FORMAT(I8_UNORM
, NO
, R8
, SWIZ_XXXX
, 16, 0),
151 FORMAT(L8A8_UNORM
, NO
, RG8
, SWIZ_XXXY
, 16, 0),
153 FORMAT(R8_SINT
, R8I
, S8
, SWIZ_X001
, 16, 0),
154 FORMAT(R8_UINT
, R8UI
, S8
, SWIZ_X001
, 16, 0),
155 FORMAT(R8G8_SINT
, RG8I
, S16
, SWIZ_XY01
, 16, 0),
156 FORMAT(R8G8_UINT
, RG8UI
, S16
, SWIZ_XY01
, 16, 0),
157 FORMAT(R8G8B8A8_SINT
, RGBA8I
, R32F
, SWIZ_XYZW
, 16, 0),
158 FORMAT(R8G8B8A8_UINT
, RGBA8UI
, R32F
, SWIZ_XYZW
, 16, 0),
160 FORMAT(R16_SINT
, R16I
, S16
, SWIZ_X001
, 16, 0),
161 FORMAT(R16_UINT
, R16UI
, S16
, SWIZ_X001
, 16, 0),
162 FORMAT(R16G16_SINT
, RG16I
, R32F
, SWIZ_XY01
, 16, 0),
163 FORMAT(R16G16_UINT
, RG16UI
, R32F
, SWIZ_XY01
, 16, 0),
164 FORMAT(R16G16B16A16_SINT
, RGBA16I
, RG32F
, SWIZ_XYZW
, 16, 0),
165 FORMAT(R16G16B16A16_UINT
, RGBA16UI
, RG32F
, SWIZ_XYZW
, 16, 0),
167 FORMAT(R32_SINT
, R32I
, R32F
, SWIZ_X001
, 16, 0),
168 FORMAT(R32_UINT
, R32UI
, R32F
, SWIZ_X001
, 16, 0),
169 FORMAT(R32G32_SINT
, RG32I
, RG32F
, SWIZ_XY01
, 16, 0),
170 FORMAT(R32G32_UINT
, RG32UI
, RG32F
, SWIZ_XY01
, 16, 0),
171 FORMAT(R32G32B32A32_SINT
, RGBA32I
, RGBA32F
, SWIZ_XYZW
, 16, 0),
172 FORMAT(R32G32B32A32_UINT
, RGBA32UI
, RGBA32F
, SWIZ_XYZW
, 16, 0),
174 FORMAT(A8_SINT
, R8I
, S8
, SWIZ_000X
, 16, 0),
175 FORMAT(A8_UINT
, R8UI
, S8
, SWIZ_000X
, 16, 0),
176 FORMAT(A16_SINT
, R16I
, S16
, SWIZ_000X
, 16, 0),
177 FORMAT(A16_UINT
, R16UI
, S16
, SWIZ_000X
, 16, 0),
178 FORMAT(A32_SINT
, R32I
, R32F
, SWIZ_000X
, 16, 0),
179 FORMAT(A32_UINT
, R32UI
, R32F
, SWIZ_000X
, 16, 0),
181 FORMAT(R11G11B10_FLOAT
, R11F_G11F_B10F
, R11F_G11F_B10F
, SWIZ_XYZW
, 16, 0),
182 FORMAT(R9G9B9E5_FLOAT
, NO
, RGB9_E5
, SWIZ_XYZW
, 16, 0),
184 FORMAT(S8_UINT_Z24_UNORM
, DEPTH24_STENCIL8
, DEPTH24_X8
, SWIZ_X001
, 32, 1),
185 FORMAT(X8Z24_UNORM
, DEPTH24_STENCIL8
, DEPTH24_X8
, SWIZ_X001
, 32, 1),
186 FORMAT(S8X24_UINT
, NO
, R32F
, SWIZ_X001
, 32, 1),
187 FORMAT(Z32_FLOAT
, DEPTH_COMPONENT32F
, R32F
, SWIZ_X001
, 32, 1),
188 FORMAT(Z16_UNORM
, DEPTH_COMPONENT16
, DEPTH_COMP16
, SWIZ_X001
, 32, 1),
190 /* Pretend we support this, but it'll be separate Z32F depth and S8. */
191 FORMAT(Z32_FLOAT_S8X24_UINT
, DEPTH_COMPONENT32F
, R32F
, SWIZ_X001
, 32, 1),
193 FORMAT(ETC2_RGB8
, NO
, RGB8_ETC2
, SWIZ_XYZ1
, 16, 0),
194 FORMAT(ETC2_SRGB8
, NO
, RGB8_ETC2
, SWIZ_XYZ1
, 16, 0),
195 FORMAT(ETC2_RGB8A1
, NO
, RGB8_PUNCHTHROUGH_ALPHA1
, SWIZ_XYZW
, 16, 0),
196 FORMAT(ETC2_SRGB8A1
, NO
, RGB8_PUNCHTHROUGH_ALPHA1
, SWIZ_XYZW
, 16, 0),
197 FORMAT(ETC2_RGBA8
, NO
, RGBA8_ETC2_EAC
, SWIZ_XYZW
, 16, 0),
198 FORMAT(ETC2_R11_UNORM
, NO
, R11_EAC
, SWIZ_X001
, 16, 0),
199 FORMAT(ETC2_R11_SNORM
, NO
, SIGNED_R11_EAC
, SWIZ_X001
, 16, 0),
200 FORMAT(ETC2_RG11_UNORM
, NO
, RG11_EAC
, SWIZ_XY01
, 16, 0),
201 FORMAT(ETC2_RG11_SNORM
, NO
, SIGNED_RG11_EAC
, SWIZ_XY01
, 16, 0),
203 FORMAT(DXT1_RGB
, NO
, BC1
, SWIZ_XYZ1
, 16, 0),
204 FORMAT(DXT3_RGBA
, NO
, BC2
, SWIZ_XYZ1
, 16, 0),
205 FORMAT(DXT5_RGBA
, NO
, BC3
, SWIZ_XYZ1
, 16, 0),
208 static const struct vc5_format
*
209 get_format(enum pipe_format f
)
211 if (f
>= ARRAY_SIZE(vc5_format_table
) ||
212 !vc5_format_table
[f
].present
)
215 return &vc5_format_table
[f
];
219 vc5_rt_format_supported(enum pipe_format f
)
221 const struct vc5_format
*vf
= get_format(f
);
226 return vf
->rt_type
!= OUTPUT_IMAGE_FORMAT_NO
;
230 vc5_get_rt_format(enum pipe_format f
)
232 const struct vc5_format
*vf
= get_format(f
);
241 vc5_tex_format_supported(enum pipe_format f
)
243 const struct vc5_format
*vf
= get_format(f
);
249 vc5_get_tex_format(enum pipe_format f
)
251 const struct vc5_format
*vf
= get_format(f
);
260 vc5_get_tex_return_size(enum pipe_format f
)
262 const struct vc5_format
*vf
= get_format(f
);
267 return vf
->return_size
;
271 vc5_get_tex_return_channels(enum pipe_format f
)
273 const struct vc5_format
*vf
= get_format(f
);
278 return vf
->return_channels
;
282 vc5_get_format_swizzle(enum pipe_format f
)
284 const struct vc5_format
*vf
= get_format(f
);
285 static const uint8_t fallback
[] = {0, 1, 2, 3};
294 vc5_get_internal_type_bpp_for_output_format(uint32_t format
,
299 case OUTPUT_IMAGE_FORMAT_RGBA8
:
300 case OUTPUT_IMAGE_FORMAT_RGBX8
:
301 case OUTPUT_IMAGE_FORMAT_RGB8
:
302 case OUTPUT_IMAGE_FORMAT_RG8
:
303 case OUTPUT_IMAGE_FORMAT_R8
:
304 case OUTPUT_IMAGE_FORMAT_ABGR4444
:
305 case OUTPUT_IMAGE_FORMAT_BGR565
:
306 case OUTPUT_IMAGE_FORMAT_ABGR1555
:
307 *type
= INTERNAL_TYPE_8
;
308 *bpp
= INTERNAL_BPP_32
;
311 case OUTPUT_IMAGE_FORMAT_RGBA8I
:
312 case OUTPUT_IMAGE_FORMAT_RG8I
:
313 case OUTPUT_IMAGE_FORMAT_R8I
:
314 *type
= INTERNAL_TYPE_8I
;
315 *bpp
= INTERNAL_BPP_32
;
318 case OUTPUT_IMAGE_FORMAT_RGBA8UI
:
319 case OUTPUT_IMAGE_FORMAT_RG8UI
:
320 case OUTPUT_IMAGE_FORMAT_R8UI
:
321 *type
= INTERNAL_TYPE_8UI
;
322 *bpp
= INTERNAL_BPP_32
;
325 case OUTPUT_IMAGE_FORMAT_SRGB8_ALPHA8
:
326 case OUTPUT_IMAGE_FORMAT_SRGB
:
327 case OUTPUT_IMAGE_FORMAT_RGB10_A2
:
328 case OUTPUT_IMAGE_FORMAT_R11F_G11F_B10F
:
329 case OUTPUT_IMAGE_FORMAT_SRGBX8
:
330 case OUTPUT_IMAGE_FORMAT_RGBA16F
:
331 /* Note that sRGB RTs are stored in the tile buffer at 16F,
332 * and the conversion to sRGB happens at tilebuffer
335 *type
= INTERNAL_TYPE_16F
;
336 *bpp
= INTERNAL_BPP_64
;
339 case OUTPUT_IMAGE_FORMAT_RG16F
:
340 case OUTPUT_IMAGE_FORMAT_R16F
:
341 *type
= INTERNAL_TYPE_16F
;
342 /* Use 64bpp to make sure the TLB doesn't throw away the alpha
343 * channel before alpha test happens.
345 *bpp
= INTERNAL_BPP_64
;
348 case OUTPUT_IMAGE_FORMAT_RGBA16I
:
349 *type
= INTERNAL_TYPE_16I
;
350 *bpp
= INTERNAL_BPP_64
;
352 case OUTPUT_IMAGE_FORMAT_RG16I
:
353 case OUTPUT_IMAGE_FORMAT_R16I
:
354 *type
= INTERNAL_TYPE_16I
;
355 *bpp
= INTERNAL_BPP_32
;
358 case OUTPUT_IMAGE_FORMAT_RGBA16UI
:
359 *type
= INTERNAL_TYPE_16UI
;
360 *bpp
= INTERNAL_BPP_64
;
362 case OUTPUT_IMAGE_FORMAT_RG16UI
:
363 case OUTPUT_IMAGE_FORMAT_R16UI
:
364 *type
= INTERNAL_TYPE_16UI
;
365 *bpp
= INTERNAL_BPP_32
;
368 case OUTPUT_IMAGE_FORMAT_RGBA32I
:
369 *type
= INTERNAL_TYPE_32I
;
370 *bpp
= INTERNAL_BPP_128
;
372 case OUTPUT_IMAGE_FORMAT_RG32I
:
373 *type
= INTERNAL_TYPE_32I
;
374 *bpp
= INTERNAL_BPP_64
;
376 case OUTPUT_IMAGE_FORMAT_R32I
:
377 *type
= INTERNAL_TYPE_32I
;
378 *bpp
= INTERNAL_BPP_32
;
381 case OUTPUT_IMAGE_FORMAT_RGBA32UI
:
382 *type
= INTERNAL_TYPE_32UI
;
383 *bpp
= INTERNAL_BPP_128
;
385 case OUTPUT_IMAGE_FORMAT_RG32UI
:
386 *type
= INTERNAL_TYPE_32UI
;
387 *bpp
= INTERNAL_BPP_64
;
389 case OUTPUT_IMAGE_FORMAT_R32UI
:
390 *type
= INTERNAL_TYPE_32UI
;
391 *bpp
= INTERNAL_BPP_32
;
394 case OUTPUT_IMAGE_FORMAT_RGBA32F
:
395 *type
= INTERNAL_TYPE_32F
;
396 *bpp
= INTERNAL_BPP_128
;
398 case OUTPUT_IMAGE_FORMAT_RG32F
:
399 *type
= INTERNAL_TYPE_32F
;
400 *bpp
= INTERNAL_BPP_64
;
402 case OUTPUT_IMAGE_FORMAT_R32F
:
403 *type
= INTERNAL_TYPE_32F
;
404 *bpp
= INTERNAL_BPP_32
;
408 /* Provide some default values, as we'll be called at RB
409 * creation time, even if an RB with this format isn't
412 *type
= INTERNAL_TYPE_8
;
413 *bpp
= INTERNAL_BPP_32
;