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1 /*
2  * Copyright © 2011 Red Hat All Rights Reserved.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining
5  * a copy of this software and associated documentation files (the
6  * "Software"), to deal in the Software without restriction, including
7  * without limitation the rights to use, copy, modify, merge, publish,
8  * distribute, sub license, and/or sell copies of the Software, and to
9  * permit persons to whom the Software is furnished to do so, subject to
10  * the following conditions:
11  *
12  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
13  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
14  * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
15  * NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS, AUTHORS
16  * AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
18  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
19  * USE OR OTHER DEALINGS IN THE SOFTWARE.
20  *
21  * The above copyright notice and this permission notice (including the
22  * next paragraph) shall be included in all copies or substantial portions
23  * of the Software.
24  */
25 /*
26  * Authors:
27  *      Jérôme Glisse <jglisse@redhat.com>
28  */
29 #ifndef RADEON_SURFACE_H
30 #define RADEON_SURFACE_H
31 
32 /* Note :
33  *
34  * For texture array, the n layer are stored one after the other within each
35  * mipmap level. 0 value for field than can be hint is always valid.
36  */
37 
38 #define RADEON_SURF_MAX_LEVEL                   32
39 
40 #define RADEON_SURF_TYPE_MASK                   0xFF
41 #define RADEON_SURF_TYPE_SHIFT                  0
42 #define     RADEON_SURF_TYPE_1D                     0
43 #define     RADEON_SURF_TYPE_2D                     1
44 #define     RADEON_SURF_TYPE_3D                     2
45 #define     RADEON_SURF_TYPE_CUBEMAP                3
46 #define     RADEON_SURF_TYPE_1D_ARRAY               4
47 #define     RADEON_SURF_TYPE_2D_ARRAY               5
48 #define RADEON_SURF_MODE_MASK                   0xFF
49 #define RADEON_SURF_MODE_SHIFT                  8
50 #define     RADEON_SURF_MODE_LINEAR                 0
51 #define     RADEON_SURF_MODE_LINEAR_ALIGNED         1
52 #define     RADEON_SURF_MODE_1D                     2
53 #define     RADEON_SURF_MODE_2D                     3
54 #define RADEON_SURF_SCANOUT                     (1 << 16)
55 #define RADEON_SURF_ZBUFFER                     (1 << 17)
56 #define RADEON_SURF_SBUFFER                     (1 << 18)
57 #define RADEON_SURF_Z_OR_SBUFFER                (RADEON_SURF_ZBUFFER | RADEON_SURF_SBUFFER)
58 #define RADEON_SURF_HAS_SBUFFER_MIPTREE         (1 << 19)
59 #define RADEON_SURF_HAS_TILE_MODE_INDEX         (1 << 20)
60 #define RADEON_SURF_FMASK                       (1 << 21)
61 
62 #define RADEON_SURF_GET(v, field)   (((v) >> RADEON_SURF_ ## field ## _SHIFT) & RADEON_SURF_ ## field ## _MASK)
63 #define RADEON_SURF_SET(v, field)   (((v) & RADEON_SURF_ ## field ## _MASK) << RADEON_SURF_ ## field ## _SHIFT)
64 #define RADEON_SURF_CLR(v, field)   ((v) & ~(RADEON_SURF_ ## field ## _MASK << RADEON_SURF_ ## field ## _SHIFT))
65 
66 /* first field up to mode need to match r6 struct so that we can reuse
67  * same function for linear & linear aligned
68  */
69 struct radeon_surface_level {
70     uint64_t                    offset;
71     uint64_t                    slice_size;
72     uint32_t                    npix_x;
73     uint32_t                    npix_y;
74     uint32_t                    npix_z;
75     uint32_t                    nblk_x;
76     uint32_t                    nblk_y;
77     uint32_t                    nblk_z;
78     uint32_t                    pitch_bytes;
79     uint32_t                    mode;
80 };
81 
82 enum si_tiling_mode {
83     SI_TILING_AUTO = 0,
84 
85     SI_TILING_COLOR_1D,
86     SI_TILING_COLOR_1D_SCANOUT,
87     SI_TILING_COLOR_2D_8BPP,
88     SI_TILING_COLOR_2D_16BPP,
89     SI_TILING_COLOR_2D_32BPP,
90     SI_TILING_COLOR_2D_64BPP,
91     SI_TILING_COLOR_2D_SCANOUT_16BPP,
92     SI_TILING_COLOR_2D_SCANOUT_32BPP,
93     SI_TILING_COLOR_LINEAR,
94 
95     SI_TILING_STENCIL_1D,
96     SI_TILING_STENCIL_2D,
97     SI_TILING_STENCIL_2D_2AA,
98     SI_TILING_STENCIL_2D_4AA,
99     SI_TILING_STENCIL_2D_8AA,
100 
101     SI_TILING_DEPTH_1D,
102     SI_TILING_DEPTH_2D,
103     SI_TILING_DEPTH_2D_2AA,
104     SI_TILING_DEPTH_2D_4AA,
105     SI_TILING_DEPTH_2D_8AA,
106 
107     SI_TILING_LAST_MODE,
108 };
109 
110 struct radeon_surface {
111     uint32_t                    npix_x;
112     uint32_t                    npix_y;
113     uint32_t                    npix_z;
114     uint32_t                    blk_w;
115     uint32_t                    blk_h;
116     uint32_t                    blk_d;
117     uint32_t                    array_size;
118     uint32_t                    last_level;
119     uint32_t                    bpe;
120     uint32_t                    nsamples;
121     uint32_t                    flags;
122     /* Following is updated/fill by the allocator. It's allowed to
123      * set some of the value but they are use as hint and can be
124      * overridden (things lile bankw/bankh on evergreen for
125      * instance).
126      */
127     uint64_t                    bo_size;
128     uint64_t                    bo_alignment;
129     /* apply to eg */
130     uint32_t                    bankw;
131     uint32_t                    bankh;
132     uint32_t                    mtilea;
133     uint32_t                    tile_split;
134     uint32_t                    stencil_tile_split;
135     uint64_t                    stencil_offset;
136     struct radeon_surface_level level[RADEON_SURF_MAX_LEVEL];
137     struct radeon_surface_level stencil_level[RADEON_SURF_MAX_LEVEL];
138     uint32_t                    tiling_index[RADEON_SURF_MAX_LEVEL];
139     uint32_t                    stencil_tiling_index[RADEON_SURF_MAX_LEVEL];
140 };
141 
142 struct radeon_surface_manager *radeon_surface_manager_new(int fd);
143 void radeon_surface_manager_free(struct radeon_surface_manager *surf_man);
144 int radeon_surface_init(struct radeon_surface_manager *surf_man,
145                         struct radeon_surface *surf);
146 int radeon_surface_best(struct radeon_surface_manager *surf_man,
147                         struct radeon_surface *surf);
148 
149 #endif
150