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 struct pipe_resource *ss_resource;
37 struct pipe_box ss_box;
38 };
39
40 struct vc4_resource_slice {
41 uint32_t offset;
42 uint32_t stride;
43 uint32_t size;
44 /** One of VC4_TILING_FORMAT_* */
45 uint8_t tiling;
46 };
47
48 struct vc4_surface {
49 struct pipe_surface base;
50 uint32_t offset;
51 uint8_t tiling;
52 };
53
54 struct vc4_resource {
55 struct u_resource base;
56 struct vc4_bo *bo;
57 struct vc4_resource_slice slices[VC4_MAX_MIP_LEVELS];
58 uint32_t cube_map_stride;
59 int cpp;
60 bool tiled;
61 /** One of VC4_TEXTURE_TYPE_* */
62 enum vc4_texture_data_type vc4_format;
63
64 /**
65 * Number of times the resource has been written to.
66 *
67 * This is used to track when we need to update this shadow resource
68 * from its parent in the case of GL_TEXTURE_BASE_LEVEL (which we
69 * can't support in hardware) or GL_UNSIGNED_INTEGER index buffers.
70 */
71 uint64_t writes;
72
73 /**
74 * Bitmask of PIPE_CLEAR_COLOR0, PIPE_CLEAR_DEPTH, PIPE_CLEAR_STENCIL
75 * for which parts of the resource are defined.
76 *
77 * Used for avoiding fallback to quad clears for clearing just depth,
78 * when the stencil contents have never been initialized. Note that
79 * we're lazy and fields not present in the buffer (DEPTH in a color
80 * buffer) may get marked.
81 */
82 uint32_t initialized_buffers;
83
84 /**
85 * Resource containing the non-GL_TEXTURE_BASE_LEVEL-rebased texture
86 * contents, or the 4-byte index buffer.
87 *
88 * If the parent is set for an texture, then this resource is actually
89 * the texture contents just starting from the sampler_view's
90 * first_level.
91 *
92 * If the parent is set for an index index buffer, then this resource
93 * is actually a shadow containing a 2-byte index buffer starting from
94 * the ib's offset.
95 */
96 struct pipe_resource *shadow_parent;
97 };
98
99 static inline struct vc4_resource *
vc4_resource(struct pipe_resource * prsc)100 vc4_resource(struct pipe_resource *prsc)
101 {
102 return (struct vc4_resource *)prsc;
103 }
104
105 static inline struct vc4_surface *
vc4_surface(struct pipe_surface * psurf)106 vc4_surface(struct pipe_surface *psurf)
107 {
108 return (struct vc4_surface *)psurf;
109 }
110
111 static inline struct vc4_transfer *
vc4_transfer(struct pipe_transfer * ptrans)112 vc4_transfer(struct pipe_transfer *ptrans)
113 {
114 return (struct vc4_transfer *)ptrans;
115 }
116
117 void vc4_resource_screen_init(struct pipe_screen *pscreen);
118 void vc4_resource_context_init(struct pipe_context *pctx);
119 struct pipe_resource *vc4_resource_create(struct pipe_screen *pscreen,
120 const struct pipe_resource *tmpl);
121 void vc4_update_shadow_baselevel_texture(struct pipe_context *pctx,
122 struct pipe_sampler_view *view);
123 struct pipe_resource *vc4_get_shadow_index_buffer(struct pipe_context *pctx,
124 const struct pipe_index_buffer *ib,
125 uint32_t count,
126 uint32_t *offset);
127 void vc4_dump_surface(struct pipe_surface *psurf);
128
129 #endif /* VC4_RESOURCE_H */
130