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 OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE 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   bool translated;
57
58   uint32_t *code;
59   unsigned code_size;
60   unsigned code_base;
61   uint32_t *immd;
62   unsigned parm_size; /* size limit of uniform buffer */
63   uint32_t tls_space; /* required local memory per thread */
64
65   ubyte max_gpr; /* REG_ALLOC_TEMP */
66   ubyte max_out; /* REG_ALLOC_RESULT or FP_RESULT_COUNT */
67
68   ubyte in_nr;
69   ubyte out_nr;
70   struct nv50_varying in[16];
71   struct nv50_varying out[16];
72
73   struct {
74      uint32_t attrs[3]; /* VP_ATTR_EN_0,1 and VP_GP_BUILTIN_ATTR_EN */
75      ubyte psiz;        /* output slot of point size */
76      ubyte bfc[2];      /* indices into varying for FFC (FP) or BFC (VP) */
77      ubyte edgeflag;
78      ubyte clpd[2];     /* output slot of clip distance[i]'s 1st component */
79      ubyte clpd_nr;
80      bool need_vertex_id;
81      uint32_t clip_mode;
82      uint8_t clip_enable; /* mask of defined clip planes */
83      uint8_t cull_enable; /* mask of defined cull distances */
84   } vp;
85
86   struct {
87      uint32_t flags[2]; /* 0x19a8, 196c */
88      uint32_t interp; /* 0x1988 */
89      uint32_t colors; /* 0x1904 */
90      uint8_t has_samplemask;
91      uint8_t force_persample_interp;
92      uint8_t alphatest;
93   } fp;
94
95   struct {
96      uint32_t vert_count;
97      uint8_t prim_type; /* point, line strip or tri strip */
98      uint8_t has_layer;
99      ubyte layerid; /* hw value of layer output */
100      uint8_t has_viewport;
101      ubyte viewportid; /* hw value of viewport index output */
102   } gp;
103
104   struct {
105      uint32_t lmem_size; /* local memory (TGSI PRIVATE resource) size */
106      uint32_t smem_size; /* shared memory (TGSI LOCAL resource) size */
107      void *syms;
108      unsigned num_syms;
109   } cp;
110
111   bool mul_zero_wins;
112
113   void *fixups; /* relocation records */
114   void *interps; /* interpolation records */
115
116   struct nouveau_heap *mem;
117
118   struct nv50_stream_output_state *so;
119};
120
121bool nv50_program_translate(struct nv50_program *, uint16_t chipset,
122                            struct pipe_debug_callback *);
123bool nv50_program_upload_code(struct nv50_context *, struct nv50_program *);
124void nv50_program_destroy(struct nv50_context *, struct nv50_program *);
125
126#endif /* __NV50_PROG_H__ */
127