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
28struct radeon_compiler;
29
30struct tgsi_full_declaration;
31struct tgsi_shader_info;
32struct tgsi_token;
33
34struct swizzled_imms {
35    unsigned index;
36    unsigned swizzle;
37};
38
39struct 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 occured. */
52    boolean error;
53};
54
55void r300_tgsi_to_rc(struct tgsi_to_rc * ttr, const struct tgsi_token * tokens);
56
57#endif /* R300_TGSI_TO_RC_H */
58