2 * Copyright © 2014 Broadcom
3 * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
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:
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
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
25 #ifndef VC4_RESOURCE_H
26 #define VC4_RESOURCE_H
28 #include "vc4_screen.h"
29 #include "vc4_packet.h"
30 #include "util/u_transfer.h"
33 struct pipe_transfer base
;
37 struct vc4_resource_slice
{
41 /** One of VC4_TILING_FORMAT_* */
46 struct pipe_surface base
;
56 struct u_resource base
;
58 struct vc4_resource_slice slices
[VC4_MAX_MIP_LEVELS
];
59 uint32_t cube_map_stride
;
62 /** One of VC4_TEXTURE_TYPE_* */
63 enum vc4_texture_data_type vc4_format
;
66 * Number of times the resource has been written to.
68 * This is used to track when we need to update this shadow resource
69 * from its parent in the case of GL_TEXTURE_BASE_LEVEL (which we
70 * can't support in hardware) or GL_UNSIGNED_INTEGER index buffers.
75 * Resource containing the non-GL_TEXTURE_BASE_LEVEL-rebased texture
76 * contents, or the 4-byte index buffer.
78 * If the parent is set for an texture, then this resource is actually
79 * the texture contents just starting from the sampler_view's
82 * If the parent is set for an index index buffer, then this resource
83 * is actually a shadow containing a 2-byte index buffer starting from
86 struct pipe_resource
*shadow_parent
;
89 static INLINE
struct vc4_resource
*
90 vc4_resource(struct pipe_resource
*prsc
)
92 return (struct vc4_resource
*)prsc
;
95 static INLINE
struct vc4_surface
*
96 vc4_surface(struct pipe_surface
*psurf
)
98 return (struct vc4_surface
*)psurf
;
101 static INLINE
struct vc4_transfer
*
102 vc4_transfer(struct pipe_transfer
*ptrans
)
104 return (struct vc4_transfer
*)ptrans
;
107 void vc4_resource_screen_init(struct pipe_screen
*pscreen
);
108 void vc4_resource_context_init(struct pipe_context
*pctx
);
109 struct pipe_resource
*vc4_resource_create(struct pipe_screen
*pscreen
,
110 const struct pipe_resource
*tmpl
);
111 void vc4_update_shadow_baselevel_texture(struct pipe_context
*pctx
,
112 struct pipe_sampler_view
*view
);
113 void vc4_update_shadow_index_buffer(struct pipe_context
*pctx
,
114 const struct pipe_index_buffer
*ib
);
116 #endif /* VC4_RESOURCE_H */