1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
2 
3 /*
4  * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice (including the next
14  * paragraph) shall be included in all copies or substantial portions of the
15  * Software.
16  *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23  * SOFTWARE.
24  *
25  * Authors:
26  *    Rob Clark <robclark@freedesktop.org>
27  */
28 
29 #ifndef FREEDRENO_TEXTURE_H_
30 #define FREEDRENO_TEXTURE_H_
31 
32 #include "pipe/p_context.h"
33 
34 void fd_sampler_states_bind(struct pipe_context *pctx,
35 		unsigned shader, unsigned start,
36 		unsigned nr, void **hwcso);
37 
38 void fd_set_sampler_views(struct pipe_context *pctx,
39 						  enum pipe_shader_type shader,
40 						  unsigned start, unsigned nr,
41 						  struct pipe_sampler_view **views);
42 
43 void fd_texture_init(struct pipe_context *pctx);
44 
45 struct fd_texture_stateobj;
46 
47 /* Both a3xx/a4xx share the same layout for the border-color buffer,
48  * which contains the pre-swizzled (based on texture format) border
49  * color value, with the following layout (per sampler):
50  *
51  *  offset | description
52  *  -------+-------------
53  *  0x00:  | fp16[0]   \
54  *         | fp16[1]   |___ swizzled fp16 channel values for "small float"
55  *         | fp16[2]   |    formats (<= 16 bits per component, !integer)
56  *         | fp16[3]   /
57  *  0x08:  | padding
58  *  0x10:  | int16[0]  \
59  *         | int16[1]  |___ swizzled int16 channels for "small integer"
60  *         | int16[2]  |    formats (<= 16 bits per component, integer)
61  *         | int16[3]  /
62  *  0x18:  | padding
63  *  0x20:  | fp32[0]   \
64  *         | fp32[1]   |___ swizzled fp32 channel values for "large float"
65  *         | fp32[2]   |    formats (> 16 bits per component, !integer)
66  *         | fp32[3]   /
67  *  0x30:  | int32[0]  \
68  *         | int32[1]  |___ swizzled int32 channel values for "large int"
69  *         | int32[2]  |    formats (> 16 bits per component, integer)
70  *         | int32[3]  /
71  */
72 #define BORDERCOLOR_SIZE 0x40
73 void fd_setup_border_colors(struct fd_texture_stateobj *tex, void *ptr,
74 		unsigned offset);
75 
76 #endif /* FREEDRENO_TEXTURE_H_ */
77