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1 /*
2  * Copyright 2009 Nicolai Hähnle <nhaehnle@gmail.com>
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  * on the rights to use, copy, modify, merge, publish, distribute, sub
8  * license, and/or sell copies of the Software, and to permit persons to whom
9  * the 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 NON-INFRINGEMENT. IN NO EVENT SHALL
18  * THE COPYRIGHT HOLDER(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21  * USE OR OTHER DEALINGS IN THE SOFTWARE. */
22 
23 #ifndef R300_TGSI_TO_RC_H
24 #define R300_TGSI_TO_RC_H
25 
26 #include "pipe/p_compiler.h"
27 
28 struct radeon_compiler;
29 
30 struct tgsi_full_declaration;
31 struct tgsi_shader_info;
32 struct tgsi_token;
33 
34 struct swizzled_imms {
35     unsigned index;
36     unsigned swizzle;
37 };
38 
39 struct tgsi_to_rc {
40     struct radeon_compiler * compiler;
41     const struct tgsi_shader_info * info;
42 
43     int immediate_offset;
44     struct swizzled_imms * imms_to_swizzle;
45     unsigned imms_to_swizzle_count;
46 
47     /* Vertex shaders have no half swizzles, and no way to handle them, so
48      * until rc grows proper support, indicate if they're safe to use. */
49     boolean use_half_swizzles;
50 
51     /* If an error occurred. */
52     boolean error;
53 };
54 
55 void r300_tgsi_to_rc(struct tgsi_to_rc * ttr, const struct tgsi_token * tokens);
56 
57 #endif /* R300_TGSI_TO_RC_H */
58