summaryrefslogtreecommitdiff
path: root/src/gallium/drivers/nv50/nv50_program.h
blob: 654bce59f31587a89dcbd390735587cad5b58b9d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
/*
 * Copyright 2010 Ben Skeggs
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#ifndef __NV50_PROG_H__
#define __NV50_PROG_H__

#include "pipe/p_state.h"
#include "tgsi/tgsi_scan.h"
#include "nouveau/nouveau_class.h"

struct nv50_varying {
   uint8_t id; /* tgsi index */
   uint8_t hw; /* hw index, nv50 wants flat FP inputs last */

   uint8_t mask   : 4;
   uint8_t linear : 1;
   uint8_t pad    : 3;

   ubyte sn; /* semantic name */
   ubyte si; /* semantic index */
};

struct nv50_program {
   struct pipe_shader_state pipe;

   ubyte type;
   boolean translated;

   struct nouveau_bo *bo;
   struct nouveau_stateobj *so;

   uint32_t *code;
   unsigned code_size;
   unsigned code_start; /* offset inside bo */
   uint32_t *immd;
   unsigned immd_size;
   unsigned parm_size; /* size limit of uniform buffer */

   ubyte max_gpr; /* REG_ALLOC_TEMP */
   ubyte max_out; /* REG_ALLOC_RESULT or FP_RESULT_COUNT */

   ubyte in_nr;
   ubyte out_nr;
   struct nv50_varying in[16];
   struct nv50_varying out[16];

   struct {
      uint32_t attrs[3]; /* VP_ATTR_EN_0,1 and VP_GP_BUILTIN_ATTR_EN */
      ubyte psiz;
      ubyte bfc[2];
      ubyte edgeflag;
      ubyte clpd;
      ubyte clpd_nr;
   } vp;

   struct {
      uint32_t flags[2]; /* 0x19a8, 196c */
      uint32_t interp; /* 0x1988 */
      uint32_t colors; /* 0x1904 */
   } fp;

   struct {
      ubyte primid; /* primitive id output register */
      uint8_t vert_count;
      uint8_t prim_type; /* point, line strip or tri strip */
   } gp;

   void *fixups;
   unsigned num_fixups;
};

#define NV50_INTERP_LINEAR   (1 << 0)
#define NV50_INTERP_FLAT     (1 << 1)
#define NV50_INTERP_CENTROID (1 << 2)

struct nv50_translation_info {
   struct nv50_program *p;
   unsigned inst_nr;
   ubyte input_file;
   ubyte output_file;
   ubyte input_map[PIPE_MAX_SHADER_INPUTS][4];
   ubyte output_map[PIPE_MAX_SHADER_OUTPUTS][4];
   ubyte interp_mode[PIPE_MAX_SHADER_INPUTS];
   int input_access[PIPE_MAX_SHADER_INPUTS][4];
   int output_access[PIPE_MAX_SHADER_OUTPUTS][4];
   boolean indirect_inputs;
   boolean indirect_outputs;
   struct tgsi_shader_info scan;
   uint32_t *immd32;
   unsigned immd32_nr;
   ubyte edgeflag_out;
};

int nv50_generate_code(struct nv50_translation_info *ti);
boolean nv50_program_tx(struct nv50_program *p);

#endif /* __NV50_PROG_H__ */