1 /*
2 * Copyright © 2014 Broadcom
3 * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
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
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
22 * IN THE SOFTWARE.
23 */
24
25 #ifndef VC4_RESOURCE_H
26 #define VC4_RESOURCE_H
27
28 #include "vc4_screen.h"
29 #include "kernel/vc4_packet.h"
30 #include "util/u_transfer.h"
31
32 struct vc4_transfer {
33 struct pipe_transfer base;
34 void *map;
35 };
36
37 struct vc4_resource_slice {
38 uint32_t offset;
39 uint32_t stride;
40 uint32_t size;
41 /** One of VC4_TILING_FORMAT_* */
42 uint8_t tiling;
43 };
44
45 struct vc4_surface {
46 struct pipe_surface base;
47 uint32_t offset;
48 uint8_t tiling;
49 };
50
51 struct vc4_resource {
52 struct pipe_resource base;
53 struct vc4_bo *bo;
54 struct renderonly_scanout *scanout;
55 struct vc4_resource_slice slices[VC4_MAX_MIP_LEVELS];
56 uint32_t cube_map_stride;
57 int cpp;
58 bool tiled;
59 /** One of VC4_TEXTURE_TYPE_* */
60 enum vc4_texture_data_type vc4_format;
61
62 /**
63 * Number of times the resource has been written to.
64 *
65 * This is used to track when we need to update this shadow resource
66 * from its parent in the case of GL_TEXTURE_BASE_LEVEL (which we
67 * can't support in hardware) or GL_UNSIGNED_INTEGER index buffers.
68 */
69 uint64_t writes;
70
71 /**
72 * Bitmask of PIPE_CLEAR_COLOR0, PIPE_CLEAR_DEPTH, PIPE_CLEAR_STENCIL
73 * for which parts of the resource are defined.
74 *
75 * Used for avoiding fallback to quad clears for clearing just depth,
76 * when the stencil contents have never been initialized. Note that
77 * we're lazy and fields not present in the buffer (DEPTH in a color
78 * buffer) may get marked.
79 */
80 uint32_t initialized_buffers;
81 };
82
83 static inline struct vc4_resource *
vc4_resource(struct pipe_resource * prsc)84 vc4_resource(struct pipe_resource *prsc)
85 {
86 return (struct vc4_resource *)prsc;
87 }
88
89 static inline struct vc4_surface *
vc4_surface(struct pipe_surface * psurf)90 vc4_surface(struct pipe_surface *psurf)
91 {
92 return (struct vc4_surface *)psurf;
93 }
94
95 static inline struct vc4_transfer *
vc4_transfer(struct pipe_transfer * ptrans)96 vc4_transfer(struct pipe_transfer *ptrans)
97 {
98 return (struct vc4_transfer *)ptrans;
99 }
100
101 void vc4_resource_screen_init(struct pipe_screen *pscreen);
102 void vc4_resource_context_init(struct pipe_context *pctx);
103 struct pipe_resource *vc4_resource_create(struct pipe_screen *pscreen,
104 const struct pipe_resource *tmpl);
105 void vc4_update_shadow_baselevel_texture(struct pipe_context *pctx,
106 struct pipe_sampler_view *view);
107 struct pipe_resource *vc4_get_shadow_index_buffer(struct pipe_context *pctx,
108 const struct pipe_draw_info *info,
109 uint32_t offset,
110 uint32_t count,
111 uint32_t *shadow_offset);
112 void vc4_dump_surface(struct pipe_surface *psurf);
113
114 #endif /* VC4_RESOURCE_H */
115