freedreno/a6xx: UBWC support
[mesa.git] / src / gallium / drivers / freedreno / a6xx / fd6_format.h
1 /*
2 * Copyright (C) 2016 Rob Clark <robclark@freedesktop.org>
3 * Copyright © 2018 Google, Inc.
4 *
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, sublicense,
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:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
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 NONINFRINGEMENT. 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 FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22 * SOFTWARE.
23 *
24 * Authors:
25 * Rob Clark <robclark@freedesktop.org>
26 */
27
28 #ifndef FD6_UTIL_H_
29 #define FD6_UTIL_H_
30
31 #include "freedreno_resource.h"
32 #include "freedreno_util.h"
33
34 #include "a6xx.xml.h"
35
36 enum a6xx_vtx_fmt fd6_pipe2vtx(enum pipe_format format);
37 enum a6xx_tex_fmt fd6_pipe2tex(enum pipe_format format);
38 enum a6xx_color_fmt fd6_pipe2color(enum pipe_format format);
39 enum a3xx_color_swap fd6_pipe2swap(enum pipe_format format);
40 enum a6xx_tex_fetchsize fd6_pipe2fetchsize(enum pipe_format format);
41 enum a6xx_depth_format fd6_pipe2depth(enum pipe_format format);
42 enum a6xx_tex_swiz fd6_pipe2swiz(unsigned swiz);
43
44 uint32_t fd6_tex_swiz(struct pipe_resource *prsc, enum pipe_format format,
45 unsigned swizzle_r,
46 unsigned swizzle_g, unsigned swizzle_b, unsigned swizzle_a);
47
48 static inline enum a6xx_2d_ifmt
49 fd6_ifmt(enum a6xx_color_fmt fmt)
50 {
51 switch (fmt) {
52 case RB6_A8_UNORM:
53 case RB6_R8_UNORM:
54 case RB6_R8_SNORM:
55 case RB6_R8G8_UNORM:
56 case RB6_R8G8_SNORM:
57 case RB6_R8G8B8A8_UNORM:
58 case RB6_R8G8B8_UNORM:
59 case RB6_R8G8B8A8_SNORM:
60 return R2D_UNORM8;
61
62 case RB6_R32_UINT:
63 case RB6_R32_SINT:
64 case RB6_R32G32_UINT:
65 case RB6_R32G32_SINT:
66 case RB6_R32G32B32A32_UINT:
67 case RB6_R32G32B32A32_SINT:
68 return R2D_INT32;
69
70 case RB6_R16_UINT:
71 case RB6_R16_SINT:
72 case RB6_R16G16_UINT:
73 case RB6_R16G16_SINT:
74 case RB6_R16G16B16A16_UINT:
75 case RB6_R16G16B16A16_SINT:
76 return R2D_INT16;
77
78 case RB6_R8_UINT:
79 case RB6_R8_SINT:
80 case RB6_R8G8_UINT:
81 case RB6_R8G8_SINT:
82 case RB6_R8G8B8A8_UINT:
83 case RB6_R8G8B8A8_SINT:
84 return R2D_INT8;
85
86 case RB6_R16_UNORM:
87 case RB6_R16_SNORM:
88 case RB6_R16G16_UNORM:
89 case RB6_R16G16_SNORM:
90 case RB6_R16G16B16A16_UNORM:
91 case RB6_R16G16B16A16_SNORM:
92 case RB6_R32_FLOAT:
93 case RB6_R32G32_FLOAT:
94 case RB6_R32G32B32A32_FLOAT:
95 return R2D_FLOAT32;
96
97 case RB6_R16_FLOAT:
98 case RB6_R16G16_FLOAT:
99 case RB6_R16G16B16A16_FLOAT:
100 return R2D_FLOAT16;
101
102 case RB6_R4G4B4A4_UNORM:
103 case RB6_R5G5B5A1_UNORM:
104 case RB6_R5G6B5_UNORM:
105 case RB6_R10G10B10A2_UNORM:
106 case RB6_R10G10B10A2_UINT:
107 case RB6_R11G11B10_FLOAT:
108 case RB6_X8Z24_UNORM:
109 // ???
110 return 0;
111 default:
112 unreachable("bad format");
113 return 0;
114 }
115 }
116
117 static inline bool
118 fd6_ubwc_enabled(struct fd_resource *rsc, enum a6xx_tile_mode tile_mode)
119 {
120 return rsc->ubwc_size && tile_mode == TILE6_3;
121 }
122
123 #endif /* FD6_UTIL_H_ */