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
|
/*
* Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
*
* 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 (including the next
* paragraph) 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:
* Rob Clark <robclark@freedesktop.org>
*/
#include "pipe/p_state.h"
#include "util/u_string.h"
#include "util/u_memory.h"
#include "util/u_inlines.h"
#include "freedreno_texture.h"
#include "freedreno_context.h"
#include "freedreno_util.h"
static void
fd_sampler_state_delete(struct pipe_context *pctx, void *hwcso)
{
FREE(hwcso);
}
static void
fd_sampler_view_destroy(struct pipe_context *pctx,
struct pipe_sampler_view *view)
{
pipe_resource_reference(&view->texture, NULL);
FREE(view);
}
static void bind_sampler_states(struct fd_texture_stateobj *tex,
unsigned start, unsigned nr, void **hwcso)
{
unsigned i;
for (i = 0; i < nr; i++) {
unsigned p = i + start;
tex->samplers[p] = hwcso[i];
if (tex->samplers[p])
tex->valid_samplers |= (1 << p);
else
tex->valid_samplers &= ~(1 << p);
}
tex->num_samplers = util_last_bit(tex->valid_samplers);
}
static void set_sampler_views(struct fd_texture_stateobj *tex,
unsigned start, unsigned nr, struct pipe_sampler_view **views)
{
unsigned i;
unsigned samplers = 0;
for (i = 0; i < nr; i++) {
struct pipe_sampler_view *view = views ? views[i] : NULL;
unsigned p = i + start;
pipe_sampler_view_reference(&tex->textures[p], view);
if (tex->textures[p])
tex->valid_textures |= (1 << p);
else
tex->valid_textures &= ~(1 << p);
}
tex->num_textures = util_last_bit(tex->valid_textures);
for (i = 0; i < tex->num_textures; i++) {
uint nr_samples = tex->textures[i]->texture->nr_samples;
samplers |= (nr_samples >> 1) << (i * 2);
}
tex->samples = samplers;
}
void
fd_sampler_states_bind(struct pipe_context *pctx,
enum pipe_shader_type shader, unsigned start,
unsigned nr, void **hwcso)
{
struct fd_context *ctx = fd_context(pctx);
bind_sampler_states(&ctx->tex[shader], start, nr, hwcso);
ctx->dirty_shader[shader] |= FD_DIRTY_SHADER_TEX;
ctx->dirty |= FD_DIRTY_TEX;
}
void
fd_set_sampler_views(struct pipe_context *pctx, enum pipe_shader_type shader,
unsigned start, unsigned nr,
struct pipe_sampler_view **views)
{
struct fd_context *ctx = fd_context(pctx);
set_sampler_views(&ctx->tex[shader], start, nr, views);
ctx->dirty_shader[shader] |= FD_DIRTY_SHADER_TEX;
ctx->dirty |= FD_DIRTY_TEX;
}
void
fd_texture_init(struct pipe_context *pctx)
{
pctx->delete_sampler_state = fd_sampler_state_delete;
pctx->sampler_view_destroy = fd_sampler_view_destroy;
}
/* helper for setting up border-color buffer for a3xx/a4xx: */
void
fd_setup_border_colors(struct fd_texture_stateobj *tex, void *ptr,
unsigned offset)
{
unsigned i, j;
for (i = 0; i < tex->num_samplers; i++) {
struct pipe_sampler_state *sampler = tex->samplers[i];
uint16_t *bcolor = (uint16_t *)((uint8_t *)ptr +
(BORDERCOLOR_SIZE * offset) +
(BORDERCOLOR_SIZE * i));
uint32_t *bcolor32 = (uint32_t *)&bcolor[16];
if (!sampler)
continue;
/*
* XXX HACK ALERT XXX
*
* The border colors need to be swizzled in a particular
* format-dependent order. Even though samplers don't know about
* formats, we can assume that with a GL state tracker, there's a
* 1:1 correspondence between sampler and texture. Take advantage
* of that knowledge.
*/
if (i < tex->num_textures && tex->textures[i]) {
const struct util_format_description *desc =
util_format_description(tex->textures[i]->format);
for (j = 0; j < 4; j++) {
if (desc->swizzle[j] >= 4)
continue;
const struct util_format_channel_description *chan =
&desc->channel[desc->swizzle[j]];
if (chan->pure_integer) {
bcolor32[desc->swizzle[j] + 4] = sampler->border_color.i[j];
bcolor[desc->swizzle[j] + 8] = sampler->border_color.i[j];
} else {
bcolor32[desc->swizzle[j]] = fui(sampler->border_color.f[j]);
bcolor[desc->swizzle[j]] =
util_float_to_half(sampler->border_color.f[j]);
}
}
}
}
}
|
