2 * Copyright 2010 Ben Skeggs
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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
23 #ifndef __NV50_PROG_H__
24 #define __NV50_PROG_H__
26 #include "pipe/p_state.h"
27 #include "tgsi/tgsi_scan.h"
28 #include "nouveau/nouveau_class.h"
31 uint8_t id
; /* tgsi index */
32 uint8_t hw
; /* hw index, nv50 wants flat FP inputs last */
38 ubyte sn
; /* semantic name */
39 ubyte si
; /* semantic index */
43 struct pipe_shader_state pipe
;
48 struct nouveau_bo
*bo
;
49 struct nouveau_stateobj
*so
;
53 unsigned code_start
; /* offset inside bo */
56 unsigned parm_size
; /* size limit of uniform buffer */
58 ubyte max_gpr
; /* REG_ALLOC_TEMP */
59 ubyte max_out
; /* REG_ALLOC_RESULT or FP_RESULT_COUNT */
63 struct nv50_varying in
[16];
64 struct nv50_varying out
[16];
67 uint32_t attrs
[3]; /* VP_ATTR_EN_0,1 and VP_GP_BUILTIN_ATTR_EN */
76 uint32_t flags
[2]; /* 0x19a8, 196c */
77 uint32_t interp
; /* 0x1988 */
78 uint32_t colors
; /* 0x1904 */
82 ubyte primid
; /* primitive id output register */
84 uint8_t prim_type
; /* point, line strip or tri strip */
91 #define NV50_INTERP_LINEAR (1 << 0)
92 #define NV50_INTERP_FLAT (1 << 1)
93 #define NV50_INTERP_CENTROID (1 << 2)
95 #define NV50_PROG_MAX_SUBROUTINES 8
97 /* analyze TGSI and see which TEMP[] are used as subroutine inputs/outputs */
98 struct nv50_subroutine
{
100 uint32_t argv
[4][1]; /* 4 bitmasks, for each of xyzw, only allow 32 TEMPs */
104 struct nv50_translation_info
{
105 struct nv50_program
*p
;
107 struct tgsi_full_instruction
*insns
;
110 ubyte input_map
[PIPE_MAX_SHADER_INPUTS
][4];
111 ubyte output_map
[PIPE_MAX_SHADER_OUTPUTS
][4];
112 ubyte interp_mode
[PIPE_MAX_SHADER_INPUTS
];
113 int input_access
[PIPE_MAX_SHADER_INPUTS
][4];
114 int output_access
[PIPE_MAX_SHADER_OUTPUTS
][4];
115 boolean indirect_inputs
;
116 boolean indirect_outputs
;
117 struct tgsi_shader_info scan
;
122 struct nv50_subroutine subr
[NV50_PROG_MAX_SUBROUTINES
];
126 int nv50_generate_code(struct nv50_translation_info
*ti
);
127 boolean
nv50_program_tx(struct nv50_program
*p
);
129 #endif /* __NV50_PROG_H__ */