1 /*
2  * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
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, sublicense,
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 next
12  * paragraph) shall be included in all copies or substantial portions of the
13  * 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 NONINFRINGEMENT.  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 FROM,
20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21  * SOFTWARE.
22  *
23  * Authors:
24  *    Rob Clark <robclark@freedesktop.org>
25  */
26 
27 #ifndef FREEDRENO_TEXTURE_H_
28 #define FREEDRENO_TEXTURE_H_
29 
30 #include "pipe/p_context.h"
31 
32 void fd_sampler_states_bind(struct pipe_context *pctx,
33 		enum pipe_shader_type shader, unsigned start,
34 		unsigned nr, void **hwcso);
35 
36 void fd_set_sampler_views(struct pipe_context *pctx,
37 						  enum pipe_shader_type shader,
38 						  unsigned start, unsigned nr,
39 						  struct pipe_sampler_view **views);
40 
41 void fd_texture_init(struct pipe_context *pctx);
42 
43 struct fd_texture_stateobj;
44 
45 /* Both a3xx/a4xx share the same layout for the border-color buffer,
46  * which contains the pre-swizzled (based on texture format) border
47  * color value, with the following layout (per sampler):
48  *
49  *  offset | description
50  *  -------+-------------
51  *  0x00:  | fp16[0]   \
52  *         | fp16[1]   |___ swizzled fp16 channel values for "small float"
53  *         | fp16[2]   |    formats (<= 16 bits per component, !integer)
54  *         | fp16[3]   /
55  *  0x08:  | padding
56  *  0x10:  | int16[0]  \
57  *         | int16[1]  |___ swizzled int16 channels for "small integer"
58  *         | int16[2]  |    formats (<= 16 bits per component, integer)
59  *         | int16[3]  /
60  *  0x18:  | padding
61  *  0x20:  | fp32[0]   \
62  *         | fp32[1]   |___ swizzled fp32 channel values for "large float"
63  *         | fp32[2]   |    formats (> 16 bits per component, !integer)
64  *         | fp32[3]   /
65  *  0x30:  | int32[0]  \
66  *         | int32[1]  |___ swizzled int32 channel values for "large int"
67  *         | int32[2]  |    formats (> 16 bits per component, integer)
68  *         | int32[3]  /
69  */
70 #define BORDERCOLOR_SIZE 0x40
71 void fd_setup_border_colors(struct fd_texture_stateobj *tex, void *ptr,
72 		unsigned offset);
73 
74 #endif /* FREEDRENO_TEXTURE_H_ */
75