2 * Copyright (c) 2016 Etnaviv Project
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, sub license,
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
12 * next paragraph) shall be included in all copies or substantial portions
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 NON-INFRINGEMENT. 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
21 * DEALINGS IN THE SOFTWARE.
24 * Christian Gmeiner <christian.gmeiner@gmail.com>
27 #include "etnaviv_format.h"
29 #include "hw/state.xml.h"
30 #include "hw/state_3d.xml.h"
32 #include "pipe/p_defines.h"
34 /* Specifies the table of all the formats and their features. Also supplies
35 * the helpers that look up various data in those tables.
43 const unsigned char tex_swiz
[4];
46 #define RS_FORMAT_NONE ~0
48 #define RS_FORMAT_MASK 0xf
49 #define RS_FORMAT(x) ((x) & RS_FORMAT_MASK)
50 #define RS_FORMAT_RB_SWAP 0x10
52 #define RS_FORMAT_X8B8G8R8 (RS_FORMAT_X8R8G8B8 | RS_FORMAT_RB_SWAP)
53 #define RS_FORMAT_A8B8G8R8 (RS_FORMAT_A8R8G8B8 | RS_FORMAT_RB_SWAP)
55 #define SWIZ(x,y,z,w) { \
62 /* vertex + texture */
63 #define VT(pipe, vtxfmt, texfmt, texswiz, rsfmt) \
64 [PIPE_FORMAT_##pipe] = { \
65 .vtx = VIVS_FE_VERTEX_ELEMENT_CONFIG_TYPE_##vtxfmt, \
66 .tex = TEXTURE_FORMAT_##texfmt, \
67 .rs = RS_FORMAT_##rsfmt, \
69 .tex_swiz = texswiz, \
73 #define _T(pipe, fmt, swiz, rsfmt) \
74 [PIPE_FORMAT_##pipe] = { \
75 .vtx = ETNA_NO_MATCH, \
76 .tex = TEXTURE_FORMAT_##fmt, \
77 .rs = RS_FORMAT_##rsfmt, \
83 #define V_(pipe, fmt, rsfmt) \
84 [PIPE_FORMAT_##pipe] = { \
85 .vtx = VIVS_FE_VERTEX_ELEMENT_CONFIG_TYPE_##fmt, \
86 .tex = ETNA_NO_MATCH, \
87 .rs = RS_FORMAT_##rsfmt, \
91 static struct etna_format formats
[PIPE_FORMAT_COUNT
] = {
93 V_(R8_UNORM
, UNSIGNED_BYTE
, NONE
),
94 V_(R8_SNORM
, BYTE
, NONE
),
95 V_(R8_UINT
, UNSIGNED_BYTE
, NONE
),
96 V_(R8_SINT
, BYTE
, NONE
),
97 V_(R8_USCALED
, UNSIGNED_BYTE
, NONE
),
98 V_(R8_SSCALED
, BYTE
, NONE
),
100 _T(A8_UNORM
, A8
, SWIZ(X
, Y
, Z
, W
), NONE
),
101 _T(L8_UNORM
, L8
, SWIZ(X
, Y
, Z
, W
), NONE
),
102 _T(I8_UNORM
, I8
, SWIZ(X
, Y
, Z
, W
), NONE
),
105 V_(R16_UNORM
, UNSIGNED_SHORT
, NONE
),
106 V_(R16_SNORM
, SHORT
, NONE
),
107 V_(R16_UINT
, UNSIGNED_SHORT
, NONE
),
108 V_(R16_SINT
, SHORT
, NONE
),
109 V_(R16_USCALED
, UNSIGNED_SHORT
, NONE
),
110 V_(R16_SSCALED
, SHORT
, NONE
),
111 V_(R16_FLOAT
, HALF_FLOAT
, NONE
),
113 _T(B4G4R4A4_UNORM
, A4R4G4B4
, SWIZ(X
, Y
, Z
, W
), A4R4G4B4
),
114 _T(B4G4R4X4_UNORM
, X4R4G4B4
, SWIZ(X
, Y
, Z
, W
), X4R4G4B4
),
116 _T(L8A8_UNORM
, A8L8
, SWIZ(X
, Y
, Z
, W
), NONE
),
118 _T(Z16_UNORM
, D16
, SWIZ(X
, Y
, Z
, W
), A4R4G4B4
),
119 _T(B5G6R5_UNORM
, R5G6B5
, SWIZ(X
, Y
, Z
, W
), R5G6B5
),
120 _T(B5G5R5A1_UNORM
, A1R5G5B5
, SWIZ(X
, Y
, Z
, W
), A1R5G5B5
),
121 _T(B5G5R5X1_UNORM
, X1R5G5B5
, SWIZ(X
, Y
, Z
, W
), X1R5G5B5
),
123 VT(R8G8_UNORM
, UNSIGNED_BYTE
, EXT_G8R8
| EXT_FORMAT
, SWIZ(X
, Y
, 0, 1), NONE
),
124 V_(R8G8_SNORM
, BYTE
, NONE
),
125 V_(R8G8_UINT
, UNSIGNED_BYTE
, NONE
),
126 V_(R8G8_SINT
, BYTE
, NONE
),
127 V_(R8G8_USCALED
, UNSIGNED_BYTE
, NONE
),
128 V_(R8G8_SSCALED
, BYTE
, NONE
),
131 V_(R8G8B8_UNORM
, UNSIGNED_BYTE
, NONE
),
132 V_(R8G8B8_SNORM
, BYTE
, NONE
),
133 V_(R8G8B8_UINT
, UNSIGNED_BYTE
, NONE
),
134 V_(R8G8B8_SINT
, BYTE
, NONE
),
135 V_(R8G8B8_USCALED
, UNSIGNED_BYTE
, NONE
),
136 V_(R8G8B8_SSCALED
, BYTE
, NONE
),
139 V_(R32_UNORM
, UNSIGNED_INT
, NONE
),
140 V_(R32_SNORM
, INT
, NONE
),
141 V_(R32_SINT
, INT
, NONE
),
142 V_(R32_UINT
, UNSIGNED_INT
, NONE
),
143 V_(R32_USCALED
, UNSIGNED_INT
, NONE
),
144 V_(R32_SSCALED
, INT
, NONE
),
145 V_(R32_FLOAT
, FLOAT
, NONE
),
146 V_(R32_FIXED
, FIXED
, NONE
),
148 V_(R16G16_UNORM
, UNSIGNED_SHORT
, NONE
),
149 V_(R16G16_SNORM
, SHORT
, NONE
),
150 V_(R16G16_UINT
, UNSIGNED_SHORT
, NONE
),
151 V_(R16G16_SINT
, SHORT
, NONE
),
152 V_(R16G16_USCALED
, UNSIGNED_SHORT
, NONE
),
153 V_(R16G16_SSCALED
, SHORT
, NONE
),
154 V_(R16G16_FLOAT
, HALF_FLOAT
, NONE
),
156 V_(A8B8G8R8_UNORM
, UNSIGNED_BYTE
, NONE
),
158 VT(R8G8B8A8_UNORM
, UNSIGNED_BYTE
, A8B8G8R8
, SWIZ(X
, Y
, Z
, W
), A8B8G8R8
),
159 V_(R8G8B8A8_SNORM
, BYTE
, A8B8G8R8
),
160 _T(R8G8B8X8_UNORM
, X8B8G8R8
, SWIZ(X
, Y
, Z
, W
), X8B8G8R8
),
161 V_(R8G8B8A8_UINT
, UNSIGNED_BYTE
, A8B8G8R8
),
162 V_(R8G8B8A8_SINT
, BYTE
, A8B8G8R8
),
163 V_(R8G8B8A8_USCALED
, UNSIGNED_BYTE
, A8B8G8R8
),
164 V_(R8G8B8A8_SSCALED
, BYTE
, A8B8G8R8
),
166 _T(B8G8R8A8_UNORM
, A8R8G8B8
, SWIZ(X
, Y
, Z
, W
), A8R8G8B8
),
167 _T(B8G8R8X8_UNORM
, X8R8G8B8
, SWIZ(X
, Y
, Z
, W
), X8R8G8B8
),
169 V_(R10G10B10A2_UNORM
, UNSIGNED_INT_10_10_10_2
, NONE
),
170 V_(R10G10B10A2_SNORM
, INT_10_10_10_2
, NONE
),
171 V_(R10G10B10A2_USCALED
, UNSIGNED_INT_10_10_10_2
, NONE
),
172 V_(R10G10B10A2_SSCALED
, INT_10_10_10_2
, NONE
),
174 _T(X8Z24_UNORM
, D24S8
, SWIZ(X
, Y
, Z
, W
), A8R8G8B8
),
175 _T(S8_UINT_Z24_UNORM
, D24S8
, SWIZ(X
, Y
, Z
, W
), A8R8G8B8
),
178 V_(R16G16B16_UNORM
, UNSIGNED_SHORT
, NONE
),
179 V_(R16G16B16_SNORM
, SHORT
, NONE
),
180 V_(R16G16B16_UINT
, UNSIGNED_SHORT
, NONE
),
181 V_(R16G16B16_SINT
, SHORT
, NONE
),
182 V_(R16G16B16_USCALED
, UNSIGNED_SHORT
, NONE
),
183 V_(R16G16B16_SSCALED
, SHORT
, NONE
),
184 V_(R16G16B16_FLOAT
, HALF_FLOAT
, NONE
),
187 V_(R16G16B16A16_UNORM
, UNSIGNED_SHORT
, NONE
),
188 V_(R16G16B16A16_SNORM
, SHORT
, NONE
),
189 V_(R16G16B16A16_UINT
, UNSIGNED_SHORT
, NONE
),
190 V_(R16G16B16A16_SINT
, SHORT
, NONE
),
191 V_(R16G16B16A16_USCALED
, UNSIGNED_SHORT
, NONE
),
192 V_(R16G16B16A16_SSCALED
, SHORT
, NONE
),
193 V_(R16G16B16A16_FLOAT
, HALF_FLOAT
, NONE
),
195 V_(R32G32_UNORM
, UNSIGNED_INT
, NONE
),
196 V_(R32G32_SNORM
, INT
, NONE
),
197 V_(R32G32_UINT
, UNSIGNED_INT
, NONE
),
198 V_(R32G32_SINT
, INT
, NONE
),
199 V_(R32G32_USCALED
, UNSIGNED_INT
, NONE
),
200 V_(R32G32_SSCALED
, INT
, NONE
),
201 V_(R32G32_FLOAT
, FLOAT
, NONE
),
202 V_(R32G32_FIXED
, FIXED
, NONE
),
205 V_(R32G32B32_UNORM
, UNSIGNED_INT
, NONE
),
206 V_(R32G32B32_SNORM
, INT
, NONE
),
207 V_(R32G32B32_UINT
, UNSIGNED_INT
, NONE
),
208 V_(R32G32B32_SINT
, INT
, NONE
),
209 V_(R32G32B32_USCALED
, UNSIGNED_INT
, NONE
),
210 V_(R32G32B32_SSCALED
, INT
, NONE
),
211 V_(R32G32B32_FLOAT
, FLOAT
, NONE
),
212 V_(R32G32B32_FIXED
, FIXED
, NONE
),
215 V_(R32G32B32A32_UNORM
, UNSIGNED_INT
, NONE
),
216 V_(R32G32B32A32_SNORM
, INT
, NONE
),
217 V_(R32G32B32A32_UINT
, UNSIGNED_INT
, NONE
),
218 V_(R32G32B32A32_SINT
, INT
, NONE
),
219 V_(R32G32B32A32_USCALED
, UNSIGNED_INT
, NONE
),
220 V_(R32G32B32A32_SSCALED
, INT
, NONE
),
221 V_(R32G32B32A32_FLOAT
, FLOAT
, NONE
),
222 V_(R32G32B32A32_FIXED
, FIXED
, NONE
),
225 _T(ETC1_RGB8
, ETC1
, SWIZ(X
, Y
, Z
, W
), NONE
),
227 _T(DXT1_RGB
, DXT1
, SWIZ(X
, Y
, Z
, W
), NONE
),
228 _T(DXT1_RGBA
, DXT1
, SWIZ(X
, Y
, Z
, W
), NONE
),
229 _T(DXT3_RGBA
, DXT2_DXT3
, SWIZ(X
, Y
, Z
, W
), NONE
),
230 _T(DXT5_RGBA
, DXT4_DXT5
, SWIZ(X
, Y
, Z
, W
), NONE
),
232 _T(ETC2_RGB8
, EXT_NONE
| EXT_FORMAT
, SWIZ(X
, Y
, Z
, W
), NONE
), /* Extd. format NONE doubles as ETC2_RGB8 */
233 _T(ETC2_SRGB8
, EXT_NONE
| EXT_FORMAT
, SWIZ(X
, Y
, Z
, W
), NONE
),
234 _T(ETC2_RGB8A1
, EXT_RGB8_PUNCHTHROUGH_ALPHA1_ETC2
| EXT_FORMAT
, SWIZ(X
, Y
, Z
, W
), NONE
),
235 _T(ETC2_SRGB8A1
, EXT_RGB8_PUNCHTHROUGH_ALPHA1_ETC2
| EXT_FORMAT
, SWIZ(X
, Y
, Z
, W
), NONE
),
236 _T(ETC2_RGBA8
, EXT_RGBA8_ETC2_EAC
| EXT_FORMAT
, SWIZ(X
, Y
, Z
, W
), NONE
),
237 _T(ETC2_SRGBA8
, EXT_RGBA8_ETC2_EAC
| EXT_FORMAT
, SWIZ(X
, Y
, Z
, W
), NONE
),
238 _T(ETC2_R11_UNORM
, EXT_R11_EAC
| EXT_FORMAT
, SWIZ(X
, Y
, Z
, W
), NONE
),
239 _T(ETC2_R11_SNORM
, EXT_SIGNED_R11_EAC
| EXT_FORMAT
, SWIZ(X
, Y
, Z
, W
), NONE
),
240 _T(ETC2_RG11_UNORM
, EXT_RG11_EAC
| EXT_FORMAT
, SWIZ(X
, Y
, Z
, W
), NONE
),
241 _T(ETC2_RG11_SNORM
, EXT_SIGNED_RG11_EAC
| EXT_FORMAT
, SWIZ(X
, Y
, Z
, W
), NONE
),
244 _T(YUYV
, YUY2
, SWIZ(X
, Y
, Z
, W
), YUY2
),
245 _T(UYVY
, UYVY
, SWIZ(X
, Y
, Z
, W
), NONE
),
249 translate_texture_format(enum pipe_format fmt
)
251 if (!formats
[fmt
].present
)
252 return ETNA_NO_MATCH
;
254 return formats
[fmt
].tex
;
258 texture_format_needs_swiz(enum pipe_format fmt
)
260 static const unsigned char def
[4] = SWIZ(X
, Y
, Z
, W
);
263 if (formats
[fmt
].present
)
264 swiz
= !memcmp(def
, formats
[fmt
].tex_swiz
, sizeof(formats
[fmt
].tex_swiz
));
270 get_texture_swiz(enum pipe_format fmt
, unsigned swizzle_r
,
271 unsigned swizzle_g
, unsigned swizzle_b
, unsigned swizzle_a
)
273 unsigned char swiz
[4] = {
274 swizzle_r
, swizzle_g
, swizzle_b
, swizzle_a
,
277 assert(formats
[fmt
].present
);
278 util_format_compose_swizzles(formats
[fmt
].tex_swiz
, swiz
, rswiz
);
280 /* PIPE_SWIZZLE_ maps 1:1 to TEXTURE_SWIZZLE_ */
281 STATIC_ASSERT(PIPE_SWIZZLE_X
== TEXTURE_SWIZZLE_RED
);
282 STATIC_ASSERT(PIPE_SWIZZLE_Y
== TEXTURE_SWIZZLE_GREEN
);
283 STATIC_ASSERT(PIPE_SWIZZLE_Z
== TEXTURE_SWIZZLE_BLUE
);
284 STATIC_ASSERT(PIPE_SWIZZLE_W
== TEXTURE_SWIZZLE_ALPHA
);
285 STATIC_ASSERT(PIPE_SWIZZLE_0
== TEXTURE_SWIZZLE_ZERO
);
286 STATIC_ASSERT(PIPE_SWIZZLE_1
== TEXTURE_SWIZZLE_ONE
);
288 return VIVS_TE_SAMPLER_CONFIG1_SWIZZLE_R(rswiz
[0]) |
289 VIVS_TE_SAMPLER_CONFIG1_SWIZZLE_G(rswiz
[1]) |
290 VIVS_TE_SAMPLER_CONFIG1_SWIZZLE_B(rswiz
[2]) |
291 VIVS_TE_SAMPLER_CONFIG1_SWIZZLE_A(rswiz
[3]);
295 translate_rs_format(enum pipe_format fmt
)
297 if (!formats
[fmt
].present
)
298 return ETNA_NO_MATCH
;
300 if (formats
[fmt
].rs
== ETNA_NO_MATCH
)
301 return ETNA_NO_MATCH
;
303 return RS_FORMAT(formats
[fmt
].rs
);
307 translate_rs_format_rb_swap(enum pipe_format fmt
)
309 assert(formats
[fmt
].present
);
311 return formats
[fmt
].rs
& RS_FORMAT_RB_SWAP
;
314 /* Return type flags for vertex element format */
316 translate_vertex_format_type(enum pipe_format fmt
)
318 if (!formats
[fmt
].present
)
319 return ETNA_NO_MATCH
;
321 return formats
[fmt
].vtx
;