nv50_program.h revision 0bbf1659df3adf51784bcb376e681c05f49b6070 
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
31#define NV50_CAP_MAX_PROGRAM_TEMPS 64
32
33struct nv50_varying {
34   uint8_t id; /* tgsi index */
35   uint8_t hw; /* hw index, nv50 wants flat FP inputs last */
36
37   unsigned mask   : 4;
38   unsigned linear : 1;
39   unsigned pad    : 3;
40
41   ubyte sn; /* semantic name */
42   ubyte si; /* semantic index */
43};
44
45struct nv50_program {
46   struct pipe_shader_state pipe;
47
48   ubyte type;
49   boolean translated;
50   boolean uses_lmem;
51
52   uint32_t *code;
53   unsigned code_size;
54   unsigned code_base;
55   uint32_t *immd;
56   unsigned immd_size;
57   unsigned parm_size; /* size limit of uniform buffer */
58
59   ubyte max_gpr; /* REG_ALLOC_TEMP */
60   ubyte max_out; /* REG_ALLOC_RESULT or FP_RESULT_COUNT */
61
62   ubyte in_nr;
63   ubyte out_nr;
64   struct nv50_varying in[16];
65   struct nv50_varying out[16];
66
67   struct {
68      uint32_t attrs[3]; /* VP_ATTR_EN_0,1 and VP_GP_BUILTIN_ATTR_EN */
69      ubyte psiz;        /* output slot of point size */
70      ubyte bfc[2];      /* indices into varying for FFC (FP) or BFC (VP) */
71      ubyte edgeflag;
72      ubyte clpd[2];     /* output slot of clip distance[i]'s 1st component */
73      ubyte clpd_nr;
74   } vp;
75
76   struct {
77      uint32_t flags[2]; /* 0x19a8, 196c */
78      uint32_t interp; /* 0x1988 */
79      uint32_t colors; /* 0x1904 */
80   } fp;
81
82   struct {
83      ubyte primid; /* primitive id output register */
84      uint8_t vert_count;
85      uint8_t prim_type; /* point, line strip or tri strip */
86   } gp;
87
88   void *fixups; /* relocation records */
89
90   struct nouveau_heap *mem;
91};
92
93boolean nv50_program_translate(struct nv50_program *, uint16_t chipset);
94boolean nv50_program_upload_code(struct nv50_context *, struct nv50_program *);
95void nv50_program_destroy(struct nv50_context *, struct nv50_program *);
96
97#endif /* __NV50_PROG_H__ */
98