2 * Copyright (c) 2011-2013 Luc Verhaegen <libv@skynet.be>
3 * Copyright (c) 2018-2019 Lima Project
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sub license,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice (including the
13 * next paragraph) shall be included in all copies or substantial portions
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
29 #include "util/format/u_format.h"
30 #include <util/macros.h>
32 #include "lima_format.h"
34 #define LIMA_TEXEL_FORMAT_L8 0x09
35 #define LIMA_TEXEL_FORMAT_A8 0x0a
36 #define LIMA_TEXEL_FORMAT_I8 0x0b
37 #define LIMA_TEXEL_FORMAT_BGR_565 0x0e
38 #define LIMA_TEXEL_FORMAT_BGRA_5551 0x0f
39 #define LIMA_TEXEL_FORMAT_BGRA_4444 0x10
40 #define LIMA_TEXEL_FORMAT_L8A8 0x11
41 #define LIMA_TEXEL_FORMAT_L16 0x12
42 #define LIMA_TEXEL_FORMAT_A16 0x13
43 #define LIMA_TEXEL_FORMAT_I16 0x14
44 #define LIMA_TEXEL_FORMAT_RGB_888 0x15
45 #define LIMA_TEXEL_FORMAT_RGBA_8888 0x16
46 #define LIMA_TEXEL_FORMAT_RGBX_8888 0x17
47 #define LIMA_TEXEL_FORMAT_ETC1_RGB8 0x20
48 #define LIMA_TEXEL_FORMAT_Z24X8 0x2c
49 /* This format is only used for depth/stencil reload */
50 #define LIMA_TEXEL_FORMAT_Z24S8_RLD 0x32
52 #define LIMA_PIXEL_FORMAT_B5G6R5 0x00
53 #define LIMA_PIXEL_FORMAT_B5G5R5A1 0x01
54 #define LIMA_PIXEL_FORMAT_B4G4R4A4 0x02
55 #define LIMA_PIXEL_FORMAT_B8G8R8A8 0x03
56 #define LIMA_PIXEL_FORMAT_B8 0x04
57 #define LIMA_PIXEL_FORMAT_G8B8 0x05
58 #define LIMA_PIXEL_FORMAT_Z16 0x0e
59 #define LIMA_PIXEL_FORMAT_Z24S8 0x0f
66 uint32_t channel_layout
;
71 #define SWIZ(x,y,z,w) { \
78 #define LIMA_TEXEL_FORMAT(pipe, tex, swap, swiz) \
79 [PIPE_FORMAT_##pipe] = { \
80 .present = true, .format = LIMA_TEXEL_FORMAT_##tex, \
81 .swap_r_b = swap, .swizzle = swiz \
84 #define LIMA_PIXEL_FORMAT(pipe, pix, swap, ch_layout) \
85 [PIPE_FORMAT_##pipe] = { \
86 .present = true, .format = LIMA_PIXEL_FORMAT_##pix, \
87 .swap_r_b = swap, .channel_layout = ch_layout \
90 static const struct lima_format lima_texel_formats
[] = {
91 LIMA_TEXEL_FORMAT(R8G8B8A8_UNORM
, RGBA_8888
, true, SWIZ(X
, Y
, Z
, W
)),
92 LIMA_TEXEL_FORMAT(B8G8R8A8_UNORM
, RGBA_8888
, false, SWIZ(X
, Y
, Z
, W
)),
93 LIMA_TEXEL_FORMAT(R8G8B8A8_SRGB
, RGBA_8888
, true, SWIZ(X
, Y
, Z
, W
)),
94 LIMA_TEXEL_FORMAT(B8G8R8A8_SRGB
, RGBA_8888
, false, SWIZ(X
, Y
, Z
, W
)),
95 LIMA_TEXEL_FORMAT(R8G8B8X8_UNORM
, RGBX_8888
, true, SWIZ(X
, Y
, Z
, W
)),
96 LIMA_TEXEL_FORMAT(B8G8R8X8_UNORM
, RGBX_8888
, false, SWIZ(X
, Y
, Z
, W
)),
97 LIMA_TEXEL_FORMAT(B5G6R5_UNORM
, BGR_565
, false, SWIZ(X
, Y
, Z
, W
)),
98 LIMA_TEXEL_FORMAT(B5G5R5A1_UNORM
, BGRA_5551
, false, SWIZ(X
, Y
, Z
, W
)),
99 LIMA_TEXEL_FORMAT(B4G4R4A4_UNORM
, BGRA_4444
, false, SWIZ(X
, Y
, Z
, W
)),
100 LIMA_TEXEL_FORMAT(Z24_UNORM_S8_UINT
, Z24X8
, false, SWIZ(X
, Y
, Z
, W
)),
101 LIMA_TEXEL_FORMAT(Z24X8_UNORM
, Z24X8
, false, SWIZ(X
, Y
, Z
, W
)),
102 LIMA_TEXEL_FORMAT(L16_UNORM
, L16
, false, SWIZ(X
, Y
, Z
, W
)),
103 LIMA_TEXEL_FORMAT(L8_UNORM
, L8
, false, SWIZ(X
, Y
, Z
, W
)),
104 LIMA_TEXEL_FORMAT(A16_UNORM
, A16
, false, SWIZ(X
, Y
, Z
, W
)),
105 LIMA_TEXEL_FORMAT(A8_UNORM
, A8
, false, SWIZ(X
, Y
, Z
, W
)),
106 LIMA_TEXEL_FORMAT(I16_UNORM
, I16
, false, SWIZ(X
, Y
, Z
, W
)),
107 LIMA_TEXEL_FORMAT(I8_UNORM
, I8
, false, SWIZ(X
, Y
, Z
, W
)),
108 LIMA_TEXEL_FORMAT(L8A8_UNORM
, L8A8
, false, SWIZ(X
, Y
, Z
, W
)),
109 LIMA_TEXEL_FORMAT(ETC1_RGB8
, ETC1_RGB8
, false, SWIZ(X
, Y
, Z
, W
)),
110 LIMA_TEXEL_FORMAT(R8_UNORM
, L8
, false, SWIZ(X
, 0, 0, 1)),
111 LIMA_TEXEL_FORMAT(R8G8_UNORM
, L8A8
, false, SWIZ(X
, W
, 0, 1)),
114 static const struct lima_format lima_pixel_formats
[] = {
115 LIMA_PIXEL_FORMAT(R8G8B8A8_UNORM
, B8G8R8A8
, true, 0x8888),
116 LIMA_PIXEL_FORMAT(B8G8R8A8_UNORM
, B8G8R8A8
, false, 0x8888),
117 LIMA_PIXEL_FORMAT(R8G8B8A8_SRGB
, B8G8R8A8
, true, 0x8888),
118 LIMA_PIXEL_FORMAT(B8G8R8A8_SRGB
, B8G8R8A8
, false, 0x8888),
119 LIMA_PIXEL_FORMAT(R8G8B8X8_UNORM
, B8G8R8A8
, true, 0x8888),
120 LIMA_PIXEL_FORMAT(B8G8R8X8_UNORM
, B8G8R8A8
, false, 0x8888),
121 LIMA_PIXEL_FORMAT(B5G6R5_UNORM
, B5G6R5
, false, 0x8565),
122 LIMA_PIXEL_FORMAT(B5G5R5A1_UNORM
, B5G5R5A1
, false, 0x8565),
123 LIMA_PIXEL_FORMAT(B4G4R4A4_UNORM
, B4G4R4A4
, false, 0x8444),
124 /* FIXME: reload doesn't work for these formats for some reason */
125 //LIMA_PIXEL_FORMAT(R8_UNORM, B8, true, 0x8888),
126 //LIMA_PIXEL_FORMAT(R8G8_UNORM, G8B8, true, 0x8888),
127 LIMA_PIXEL_FORMAT(Z24_UNORM_S8_UINT
, Z24S8
, false, 0x0000),
128 LIMA_PIXEL_FORMAT(Z24X8_UNORM
, Z24S8
, false, 0x0000),
131 static const struct lima_format
*
132 get_texel_format(enum pipe_format f
)
134 if (f
>= ARRAY_SIZE(lima_texel_formats
) ||
135 !lima_texel_formats
[f
].present
)
138 return lima_texel_formats
+ f
;
141 static const struct lima_format
*
142 get_pixel_format(enum pipe_format f
)
144 if (f
>= ARRAY_SIZE(lima_pixel_formats
) ||
145 !lima_pixel_formats
[f
].present
)
148 return lima_pixel_formats
+ f
;
152 lima_format_texel_supported(enum pipe_format f
)
154 const struct lima_format
*lf
= get_texel_format(f
);
163 lima_format_pixel_supported(enum pipe_format f
)
165 const struct lima_format
*lf
= get_pixel_format(f
);
174 lima_format_get_texel(enum pipe_format f
)
176 return lima_texel_formats
[f
].format
;
180 lima_format_get_texel_reload(enum pipe_format f
)
183 case PIPE_FORMAT_Z24_UNORM_S8_UINT
:
184 case PIPE_FORMAT_Z24X8_UNORM
:
185 return LIMA_TEXEL_FORMAT_Z24S8_RLD
;
187 return lima_format_get_texel(f
);
192 lima_format_get_pixel(enum pipe_format f
)
194 return lima_pixel_formats
[f
].format
;
198 lima_format_get_texel_swap_rb(enum pipe_format f
)
200 return lima_texel_formats
[f
].swap_r_b
;
204 lima_format_get_pixel_swap_rb(enum pipe_format f
)
206 return lima_pixel_formats
[f
].swap_r_b
;
210 lima_format_get_texel_swizzle(enum pipe_format f
)
212 return lima_texel_formats
[f
].swizzle
;
216 lima_format_get_channel_layout(enum pipe_format f
)
218 return lima_pixel_formats
[f
].channel_layout
;