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
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
|
/*
* Copyright 2012 Red Hat Inc.
*
* 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 OR COPYRIGHT HOLDERS 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.
*
* Authors: Ben Skeggs
*
*/
#include "draw/draw_context.h"
#include "tgsi/tgsi_parse.h"
#include "nv_object.xml.h"
#include "nv30/nv30-40_3d.xml.h"
#include "nv30/nv30_context.h"
#include "nv30/nvfx_shader.h"
static void
nv30_fragprog_upload(struct nv30_context *nv30)
{
struct nouveau_context *nv = &nv30->base;
struct nv30_fragprog *fp = nv30->fragprog.program;
struct pipe_context *pipe = &nv30->base.pipe;
if (unlikely(!fp->buffer))
fp->buffer = pipe_buffer_create(pipe->screen, 0, 0, fp->insn_len * 4);
#ifndef PIPE_ARCH_BIG_ENDIAN
pipe_buffer_write(pipe, fp->buffer, 0, fp->insn_len * 4, fp->insn);
#else
{
struct pipe_transfer *transfer;
uint32_t *map;
int i;
map = pipe_buffer_map(pipe, fp->buffer,
PIPE_TRANSFER_WRITE | PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE,
&transfer);
for (i = 0; i < fp->insn_len; i++)
*map++ = (fp->insn[i] >> 16) | (fp->insn[i] << 16);
pipe_buffer_unmap(pipe, transfer);
}
#endif
if (nv04_resource(fp->buffer)->domain != NOUVEAU_BO_VRAM)
nouveau_buffer_migrate(nv, nv04_resource(fp->buffer), NOUVEAU_BO_VRAM);
}
void
nv30_fragprog_validate(struct nv30_context *nv30)
{
struct nouveau_pushbuf *push = nv30->base.pushbuf;
struct nouveau_object *eng3d = nv30->screen->eng3d;
struct nv30_fragprog *fp = nv30->fragprog.program;
bool upload = false;
int i;
if (!fp->translated) {
_nvfx_fragprog_translate(eng3d->oclass, fp);
if (!fp->translated)
return;
upload = true;
}
/* update constants, also needs to be done on every fp switch as we
* have no idea whether the constbuf changed in the meantime
*/
if (nv30->fragprog.constbuf) {
struct pipe_resource *constbuf = nv30->fragprog.constbuf;
uint32_t *cbuf = (uint32_t *)nv04_resource(constbuf)->data;
for (i = 0; i < fp->nr_consts; i++) {
unsigned off = fp->consts[i].offset;
unsigned idx = fp->consts[i].index * 4;
if (!memcmp(&fp->insn[off], &cbuf[idx], 4 * 4))
continue;
memcpy(&fp->insn[off], &cbuf[idx], 4 * 4);
upload = true;
}
}
if (upload)
nv30_fragprog_upload(nv30);
/* FP_ACTIVE_PROGRAM needs to be done again even if only the consts
* were updated. TEX_CACHE_CTL magic is not enough to convince the
* GPU that it should re-read the fragprog from VRAM... sigh.
*/
if (nv30->state.fragprog != fp || upload) {
struct nv04_resource *r = nv04_resource(fp->buffer);
if (!PUSH_SPACE(push, 8))
return;
PUSH_RESET(push, BUFCTX_FRAGPROG);
BEGIN_NV04(push, NV30_3D(FP_ACTIVE_PROGRAM), 1);
PUSH_RESRC(push, NV30_3D(FP_ACTIVE_PROGRAM), BUFCTX_FRAGPROG, r, 0,
NOUVEAU_BO_LOW | NOUVEAU_BO_RD | NOUVEAU_BO_OR,
NV30_3D_FP_ACTIVE_PROGRAM_DMA0,
NV30_3D_FP_ACTIVE_PROGRAM_DMA1);
BEGIN_NV04(push, NV30_3D(FP_CONTROL), 1);
PUSH_DATA (push, fp->fp_control);
if (eng3d->oclass < NV40_3D_CLASS) {
BEGIN_NV04(push, NV30_3D(FP_REG_CONTROL), 1);
PUSH_DATA (push, 0x00010004);
BEGIN_NV04(push, NV30_3D(TEX_UNITS_ENABLE), 1);
PUSH_DATA (push, fp->texcoords);
} else {
BEGIN_NV04(push, SUBC_3D(0x0b40), 1);
PUSH_DATA (push, 0x00000000);
}
nv30->state.fragprog = fp;
}
}
static void *
nv30_fp_state_create(struct pipe_context *pipe,
const struct pipe_shader_state *cso)
{
struct nv30_fragprog *fp = CALLOC_STRUCT(nv30_fragprog);
if (!fp)
return NULL;
fp->pipe.tokens = tgsi_dup_tokens(cso->tokens);
tgsi_scan_shader(fp->pipe.tokens, &fp->info);
return fp;
}
static void
nv30_fp_state_delete(struct pipe_context *pipe, void *hwcso)
{
struct nv30_fragprog *fp = hwcso;
pipe_resource_reference(&fp->buffer, NULL);
if (fp->draw)
draw_delete_fragment_shader(nv30_context(pipe)->draw, fp->draw);
FREE((void *)fp->pipe.tokens);
FREE(fp->insn);
FREE(fp->consts);
FREE(fp);
}
static void
nv30_fp_state_bind(struct pipe_context *pipe, void *hwcso)
{
struct nv30_context *nv30 = nv30_context(pipe);
struct nv30_fragprog *fp = hwcso;
/* reset the bucftx so that we don't keep a dangling reference to the fp
* code
*/
if (fp != nv30->state.fragprog)
PUSH_RESET(nv30->base.pushbuf, BUFCTX_FRAGPROG);
nv30->fragprog.program = fp;
nv30->dirty |= NV30_NEW_FRAGPROG;
}
void
nv30_fragprog_init(struct pipe_context *pipe)
{
pipe->create_fs_state = nv30_fp_state_create;
pipe->bind_fs_state = nv30_fp_state_bind;
pipe->delete_fs_state = nv30_fp_state_delete;
}
|
