1/*
2 * Copyright 2010 Ben Skeggs
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 shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17 * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
18 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
19 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 */
22
23#ifndef __NV50_PROG_H__
24#define __NV50_PROG_H__
25
26struct nv50_context;
27
28#include "pipe/p_state.h"
29#include "pipe/p_shader_tokens.h"
30
31struct nv50_varying {
32   uint8_t id; /* tgsi index */
33   uint8_t hw; /* hw index, nv50 wants flat FP inputs last */
34
35   unsigned mask   : 4;
36   unsigned linear : 1;
37   unsigned pad    : 3;
38
39   ubyte sn; /* semantic name */
40   ubyte si; /* semantic index */
41};
42
43struct nv50_stream_output_state
44{
45   uint32_t ctrl;
46   uint16_t stride[4];
47   uint8_t num_attribs[4];
48   uint8_t map_size;
49   uint8_t map[128];
50};
51
52struct nv50_program {
53   struct pipe_shader_state pipe;
54
55   ubyte type;
56   boolean translated;
57
58   uint32_t *code;
59   unsigned code_size;
60   unsigned code_base;
61   uint32_t *immd;
62   unsigned immd_size;
63   unsigned parm_size; /* size limit of uniform buffer */
64   uint32_t tls_space; /* required local memory per thread */
65
66   ubyte max_gpr; /* REG_ALLOC_TEMP */
67   ubyte max_out; /* REG_ALLOC_RESULT or FP_RESULT_COUNT */
68
69   ubyte in_nr;
70   ubyte out_nr;
71   struct nv50_varying in[16];
72   struct nv50_varying out[16];
73
74   struct {
75      uint32_t attrs[3]; /* VP_ATTR_EN_0,1 and VP_GP_BUILTIN_ATTR_EN */
76      ubyte psiz;        /* output slot of point size */
77      ubyte bfc[2];      /* indices into varying for FFC (FP) or BFC (VP) */
78      ubyte edgeflag;
79      ubyte clpd[2];     /* output slot of clip distance[i]'s 1st component */
80      ubyte clpd_nr;
81   } vp;
82
83   struct {
84      uint32_t flags[2]; /* 0x19a8, 196c */
85      uint32_t interp; /* 0x1988 */
86      uint32_t colors; /* 0x1904 */
87   } fp;
88
89   struct {
90      ubyte primid; /* primitive id output register */
91      uint8_t vert_count;
92      uint8_t prim_type; /* point, line strip or tri strip */
93   } gp;
94
95   void *fixups; /* relocation records */
96
97   struct nouveau_heap *mem;
98
99   struct nv50_stream_output_state *so;
100};
101
102boolean nv50_program_translate(struct nv50_program *, uint16_t chipset);
103boolean nv50_program_upload_code(struct nv50_context *, struct nv50_program *);
104void nv50_program_destroy(struct nv50_context *, struct nv50_program *);
105
106#endif /* __NV50_PROG_H__ */
107