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
36enum a6xx_vtx_fmt fd6_pipe2vtx(enum pipe_format format);
37enum a6xx_tex_fmt fd6_pipe2tex(enum pipe_format format);
38enum a6xx_color_fmt fd6_pipe2color(enum pipe_format format);
39enum a3xx_color_swap fd6_pipe2swap(enum pipe_format format);
40enum a6xx_tex_fetchsize fd6_pipe2fetchsize(enum pipe_format format);
41enum a6xx_depth_format fd6_pipe2depth(enum pipe_format format);
42enum a6xx_tex_swiz fd6_pipe2swiz(unsigned swiz);
43
44void fd6_tex_swiz(enum pipe_format format, unsigned char *swiz,
45			 unsigned swizzle_r, unsigned swizzle_g,
46			 unsigned swizzle_b, unsigned swizzle_a);
47
48uint32_t fd6_tex_const_0(struct pipe_resource *prsc,
49					  unsigned level, enum pipe_format format,
50					  unsigned swizzle_r, unsigned swizzle_g,
51					  unsigned swizzle_b, unsigned swizzle_a);
52
53static inline enum a6xx_2d_ifmt
54fd6_ifmt(enum a6xx_color_fmt fmt)
55{
56	switch (fmt) {
57	case RB6_A8_UNORM:
58	case RB6_R8_UNORM:
59	case RB6_R8_SNORM:
60	case RB6_R8G8_UNORM:
61	case RB6_R8G8_SNORM:
62	case RB6_R8G8B8A8_UNORM:
63	case RB6_R8G8B8_UNORM:
64	case RB6_R8G8B8A8_SNORM:
65		return R2D_UNORM8;
66
67	case RB6_R32_UINT:
68	case RB6_R32_SINT:
69	case RB6_R32G32_UINT:
70	case RB6_R32G32_SINT:
71	case RB6_R32G32B32A32_UINT:
72	case RB6_R32G32B32A32_SINT:
73		return R2D_INT32;
74
75	case RB6_R16_UINT:
76	case RB6_R16_SINT:
77	case RB6_R16G16_UINT:
78	case RB6_R16G16_SINT:
79	case RB6_R16G16B16A16_UINT:
80	case RB6_R16G16B16A16_SINT:
81		return R2D_INT16;
82
83	case RB6_R8_UINT:
84	case RB6_R8_SINT:
85	case RB6_R8G8_UINT:
86	case RB6_R8G8_SINT:
87	case RB6_R8G8B8A8_UINT:
88	case RB6_R8G8B8A8_SINT:
89		return R2D_INT8;
90
91	case RB6_R16_UNORM:
92	case RB6_R16_SNORM:
93	case RB6_R16G16_UNORM:
94	case RB6_R16G16_SNORM:
95	case RB6_R16G16B16A16_UNORM:
96	case RB6_R16G16B16A16_SNORM:
97	case RB6_R32_FLOAT:
98	case RB6_R32G32_FLOAT:
99	case RB6_R32G32B32A32_FLOAT:
100		return R2D_FLOAT32;
101
102	case RB6_R16_FLOAT:
103	case RB6_R16G16_FLOAT:
104	case RB6_R16G16B16A16_FLOAT:
105		return R2D_FLOAT16;
106
107	case RB6_R4G4B4A4_UNORM:
108	case RB6_R5G5B5A1_UNORM:
109	case RB6_R5G6B5_UNORM:
110	case RB6_R10G10B10A2_UNORM:
111	case RB6_R10G10B10A2_UINT:
112	case RB6_R11G11B10_FLOAT:
113	case RB6_X8Z24_UNORM:
114		// ???
115		return 0;
116	default:
117		unreachable("bad format");
118		return 0;
119	}
120}
121
122#endif /* FD6_UTIL_H_ */
123