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
|
/* NEON optimized code (C) COPYRIGHT 2009 Motorola
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkBitmapProcState.h"
#include "SkPerspIter.h"
#include "SkShader.h"
#include "SkUtilsArm.h"
extern const SkBitmapProcState::MatrixProc ClampX_ClampY_Procs_neon[];
extern const SkBitmapProcState::MatrixProc RepeatX_RepeatY_Procs_neon[];
static void decal_nofilter_scale_neon(uint32_t dst[], SkFixed fx, SkFixed dx, int count);
static void decal_filter_scale_neon(uint32_t dst[], SkFixed fx, SkFixed dx, int count);
static unsigned SK_USHIFT16(unsigned x) {
return x >> 16;
}
#define MAKENAME(suffix) ClampX_ClampY ## suffix ## _neon
#define TILEX_PROCF(fx, max) SkClampMax((fx) >> 16, max)
#define TILEY_PROCF(fy, max) SkClampMax((fy) >> 16, max)
#define TILEX_LOW_BITS(fx, max) (((fx) >> 12) & 0xF)
#define TILEY_LOW_BITS(fy, max) (((fy) >> 12) & 0xF)
#define CHECK_FOR_DECAL
#include "SkBitmapProcState_matrix_clamp_neon.h"
#define MAKENAME(suffix) RepeatX_RepeatY ## suffix ## _neon
#define TILEX_PROCF(fx, max) SK_USHIFT16(((fx) & 0xFFFF) * ((max) + 1))
#define TILEY_PROCF(fy, max) SK_USHIFT16(((fy) & 0xFFFF) * ((max) + 1))
#define TILEX_LOW_BITS(fx, max) ((((fx) & 0xFFFF) * ((max) + 1) >> 12) & 0xF)
#define TILEY_LOW_BITS(fy, max) ((((fy) & 0xFFFF) * ((max) + 1) >> 12) & 0xF)
#include "SkBitmapProcState_matrix_repeat_neon.h"
void decal_nofilter_scale_neon(uint32_t dst[], SkFixed fx, SkFixed dx, int count)
{
int i;
if (count >= 8) {
/* SkFixed is 16.16 fixed point */
SkFixed dx2 = dx+dx;
SkFixed dx4 = dx2+dx2;
SkFixed dx8 = dx4+dx4;
/* now build fx/fx+dx/fx+2dx/fx+3dx */
SkFixed fx1, fx2, fx3;
int32x2_t lower, upper;
int32x4_t lbase, hbase;
uint16_t *dst16 = (uint16_t *)dst;
fx1 = fx+dx;
fx2 = fx1+dx;
fx3 = fx2+dx;
/* avoid an 'lbase unitialized' warning */
lbase = vdupq_n_s32(fx);
lbase = vsetq_lane_s32(fx1, lbase, 1);
lbase = vsetq_lane_s32(fx2, lbase, 2);
lbase = vsetq_lane_s32(fx3, lbase, 3);
hbase = vaddq_s32(lbase, vdupq_n_s32(dx4));
/* take upper 16 of each, store, and bump everything */
do {
int32x4_t lout, hout;
uint16x8_t hi16;
lout = lbase;
hout = hbase;
/* gets hi's of all louts then hi's of all houts */
asm ("vuzpq.16 %q0, %q1" : "+w" (lout), "+w" (hout));
hi16 = vreinterpretq_u16_s32(hout);
vst1q_u16(dst16, hi16);
/* on to the next */
lbase = vaddq_s32 (lbase, vdupq_n_s32(dx8));
hbase = vaddq_s32 (hbase, vdupq_n_s32(dx8));
dst16 += 8;
count -= 8;
fx += dx8;
} while (count >= 8);
dst = (uint32_t *) dst16;
}
uint16_t* xx = (uint16_t*)dst;
for (i = count; i > 0; --i) {
*xx++ = SkToU16(fx >> 16); fx += dx;
}
}
void decal_filter_scale_neon(uint32_t dst[], SkFixed fx, SkFixed dx, int count)
{
if (count >= 8) {
int32x4_t wide_fx;
int32x4_t wide_fx2;
int32x4_t wide_dx8 = vdupq_n_s32(dx*8);
wide_fx = vdupq_n_s32(fx);
wide_fx = vsetq_lane_s32(fx+dx, wide_fx, 1);
wide_fx = vsetq_lane_s32(fx+dx+dx, wide_fx, 2);
wide_fx = vsetq_lane_s32(fx+dx+dx+dx, wide_fx, 3);
wide_fx2 = vaddq_s32(wide_fx, vdupq_n_s32(dx+dx+dx+dx));
while (count >= 8) {
int32x4_t wide_out;
int32x4_t wide_out2;
wide_out = vshlq_n_s32(vshrq_n_s32(wide_fx, 12), 14);
wide_out = vorrq_s32(wide_out,
vaddq_s32(vshrq_n_s32(wide_fx,16), vdupq_n_s32(1)));
wide_out2 = vshlq_n_s32(vshrq_n_s32(wide_fx2, 12), 14);
wide_out2 = vorrq_s32(wide_out2,
vaddq_s32(vshrq_n_s32(wide_fx2,16), vdupq_n_s32(1)));
vst1q_u32(dst, vreinterpretq_u32_s32(wide_out));
vst1q_u32(dst+4, vreinterpretq_u32_s32(wide_out2));
dst += 8;
fx += dx*8;
wide_fx = vaddq_s32(wide_fx, wide_dx8);
wide_fx2 = vaddq_s32(wide_fx2, wide_dx8);
count -= 8;
}
}
if (count & 1)
{
SkASSERT((fx >> (16 + 14)) == 0);
*dst++ = (fx >> 12 << 14) | ((fx >> 16) + 1);
fx += dx;
}
while ((count -= 2) >= 0)
{
SkASSERT((fx >> (16 + 14)) == 0);
*dst++ = (fx >> 12 << 14) | ((fx >> 16) + 1);
fx += dx;
*dst++ = (fx >> 12 << 14) | ((fx >> 16) + 1);
fx += dx;
}
}
|
