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
|
/*
* Copyright (C) 2016 Rob Clark <robclark@freedesktop.org>
* Copyright © 2018 Google, 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 (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>
*/
#ifndef FD6_BLEND_H_
#define FD6_BLEND_H_
#include "pipe/p_state.h"
#include "pipe/p_context.h"
#include "freedreno_context.h"
#include "freedreno_util.h"
/**
* Since the sample-mask is part of the hw blend state, we need to have state
* variants per sample-mask value. But we don't expect the sample-mask state
* to change frequently.
*/
struct fd6_blend_variant {
unsigned sample_mask;
struct fd_ringbuffer *stateobj;
};
struct fd6_blend_stateobj {
struct pipe_blend_state base;
struct fd_context *ctx;
bool reads_dest;
struct util_dynarray variants;
};
static inline struct fd6_blend_stateobj *
fd6_blend_stateobj(struct pipe_blend_state *blend)
{
return (struct fd6_blend_stateobj *)blend;
}
struct fd6_blend_variant * __fd6_setup_blend_variant(
struct fd6_blend_stateobj *blend, unsigned sample_mask);
static inline struct fd6_blend_variant *
fd6_blend_variant(struct pipe_blend_state *cso,
unsigned nr_samples, unsigned sample_mask)
{
struct fd6_blend_stateobj *blend = fd6_blend_stateobj(cso);
unsigned mask = BITFIELD_MASK(nr_samples);
util_dynarray_foreach(&blend->variants, struct fd6_blend_variant *, vp) {
struct fd6_blend_variant *v = *vp;
/* mask out sample-mask bits that we don't care about to avoid
* creating unnecessary variants
*/
if ((mask & v->sample_mask) == (mask & sample_mask)) {
return v;
}
}
return __fd6_setup_blend_variant(blend, sample_mask);
}
void * fd6_blend_state_create(struct pipe_context *pctx,
const struct pipe_blend_state *cso);
void fd6_blend_state_delete(struct pipe_context *, void *hwcso);
#endif /* FD6_BLEND_H_ */
|
