1 /*
2 * Copyright (c) 2012-2015 Etnaviv Project
3 *
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:
10 *
11 * The above copyright notice and this permission notice (including the
12 * next paragraph) shall be included in all copies or substantial portions
13 * of the Software.
14 *
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.
22 *
23 * Authors:
24 * Wladimir J. van der Laan <laanwj@gmail.com>
25 * Christian Gmeiner <christian.gmeiner@gmail.com>
26 */
27
28 #ifndef H_ETNAVIV_SCREEN
29 #define H_ETNAVIV_SCREEN
30
31 #include "etnaviv_internal.h"
32 #include "etnaviv_perfmon.h"
33
34 #include "util/u_thread.h"
35 #include "pipe/p_screen.h"
36 #include "renderonly/renderonly.h"
37 #include "util/set.h"
38 #include "util/slab.h"
39 #include "util/u_dynarray.h"
40 #include "util/u_helpers.h"
41 #include "util/u_queue.h"
42 #include "compiler/nir/nir.h"
43
44 struct etna_bo;
45
46 /* Enum with indices for each of the feature words */
47 enum viv_features_word {
48 viv_chipFeatures = 0,
49 viv_chipMinorFeatures0 = 1,
50 viv_chipMinorFeatures1 = 2,
51 viv_chipMinorFeatures2 = 3,
52 viv_chipMinorFeatures3 = 4,
53 viv_chipMinorFeatures4 = 5,
54 viv_chipMinorFeatures5 = 6,
55 viv_chipMinorFeatures6 = 7,
56 viv_chipMinorFeatures7 = 8,
57 viv_chipMinorFeatures8 = 9,
58 viv_chipMinorFeatures9 = 10,
59 viv_chipMinorFeatures10 = 11,
60 viv_chipMinorFeatures11 = 12,
61 viv_chipMinorFeatures12 = 13,
62 VIV_FEATURES_WORD_COUNT /* Must be last */
63 };
64
65 /** Convenience macro to probe features from state.xml.h:
66 * VIV_FEATURE(chipFeatures, FAST_CLEAR)
67 * VIV_FEATURE(chipMinorFeatures1, AUTO_DISABLE)
68 */
69 #define VIV_FEATURE(screen, word, feature) \
70 ((screen->features[viv_ ## word] & (word ## _ ## feature)) != 0)
71
72 struct etna_screen {
73 struct pipe_screen base;
74
75 struct etna_device *dev;
76 struct etna_gpu *gpu;
77 struct etna_pipe *pipe;
78 struct etna_perfmon *perfmon;
79 struct renderonly *ro;
80
81 struct util_dynarray supported_pm_queries;
82 struct slab_parent_pool transfer_pool;
83
84 uint32_t model;
85 uint32_t revision;
86 uint32_t features[VIV_FEATURES_WORD_COUNT];
87
88 struct etna_specs specs;
89
90 uint32_t drm_version;
91
92 struct etna_compiler *compiler;
93 struct util_queue shader_compiler_queue;
94
95 /* dummy render target for GPUs that can't fully disable the color pipe */
96 struct etna_reloc dummy_rt_reloc;
97
98 /* dummy texture descriptor */
99 struct etna_reloc dummy_desc_reloc;
100 };
101
102 static inline struct etna_screen *
etna_screen(struct pipe_screen * pscreen)103 etna_screen(struct pipe_screen *pscreen)
104 {
105 return (struct etna_screen *)pscreen;
106 }
107
108 struct etna_bo *
109 etna_screen_bo_from_handle(struct pipe_screen *pscreen,
110 struct winsys_handle *whandle);
111
112 struct pipe_screen *
113 etna_screen_create(struct etna_device *dev, struct etna_gpu *gpu,
114 struct renderonly *ro);
115
116 static inline size_t
etna_screen_get_tile_size(struct etna_screen * screen,uint8_t ts_mode,bool is_msaa)117 etna_screen_get_tile_size(struct etna_screen *screen, uint8_t ts_mode,
118 bool is_msaa)
119 {
120 if (!VIV_FEATURE(screen, chipMinorFeatures6, CACHE128B256BPERLINE)) {
121 if (VIV_FEATURE(screen, chipMinorFeatures4, SMALL_MSAA) && is_msaa)
122 return 256;
123 return 64;
124 }
125
126 if (ts_mode == TS_MODE_256B)
127 return 256;
128 else
129 return 128;
130 }
131
132 #endif
133