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 
26 struct nv50_context;
27 
28 #include "pipe/p_state.h"
29 #include "pipe/p_shader_tokens.h"
30 
31 struct 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 
43 struct 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 
52 struct 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 
102 boolean nv50_program_translate(struct nv50_program *, uint16_t chipset);
103 boolean nv50_program_upload_code(struct nv50_context *, struct nv50_program *);
104 void nv50_program_destroy(struct nv50_context *, struct nv50_program *);
105 
106 #endif /* __NV50_PROG_H__ */
107