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1 | /* |
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2 | * (C) GraÅžvydas "notaz" Ignotas, 2011,2012 |
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3 | * |
4 | * This work is licensed under the terms of any of these licenses |
5 | * (at your option): |
6 | * - GNU GPL, version 2 or later. |
7 | * - GNU LGPL, version 2.1 or later. |
8 | * See the COPYING file in the top-level directory. |
9 | */ |
10 | |
11 | .text |
12 | .align 2 |
13 | |
14 | @ void *dst, const void *src, int count, uint abits |
15 | .macro do_argb bgr2rgb |
16 | vdup.i8 d0, r3 |
17 | 0: |
18 | vld4.8 {d4-d7}, [r1]! |
19 | .if \bgr2rgb |
20 | vswp d4, d6 @ BGR->RGB |
21 | .endif |
22 | vmov.i8 d7, d0 |
23 | subs r2, r2, #8 |
24 | blt do_argb_finish |
25 | vst4.8 {d4-d7}, [r0]! |
26 | bxeq lr |
27 | nop |
28 | b 0b |
29 | .endm |
30 | |
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31 | @ void *dst, const void *src, int count, uint global_alpha |
32 | .macro do_argb_alpha bgr2rgb global_alpha |
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33 | mov r12, #0xff |
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34 | .if \global_alpha |
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35 | vdup.16 q11, r3 |
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36 | .endif |
37 | vdup.i16 q12, r12 |
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38 | 0: |
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39 | pld [r1, #64*2] |
40 | pld [r0, #64*2] |
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41 | vld4.8 {d4-d7}, [r1]! |
42 | vld4.8 {d0-d3}, [r0] |
43 | .if \bgr2rgb |
44 | vswp d4, d6 @ BGR->RGB |
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45 | .endif |
46 | .if !\global_alpha |
47 | vmovl.u8 q11, d7 |
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48 | .endif |
49 | @ d = (((s-d)*a+255)>>8)+d |
50 | vsubl.u8 q8, d4, d0 |
51 | vsubl.u8 q9, d5, d1 |
52 | vsubl.u8 q10,d6, d2 |
53 | vmul.s16 q8, q8, q11 |
54 | vmul.s16 q9, q9, q11 |
55 | vmul.s16 q10,q10,q11 |
56 | vaddhn.i16 d4, q8, q12 |
57 | vaddhn.i16 d5, q9, q12 |
58 | vaddhn.i16 d6, q10,q12 |
59 | vadd.i8 q2, q0 |
60 | vadd.i8 d6, d2 |
61 | vmov.i8 d7, d3 |
62 | subs r2, r2, #8 |
63 | blt do_argb_finish |
64 | vst4.8 {d4-d7}, [r0]! |
65 | bxeq lr |
66 | nop |
67 | b 0b |
68 | .endm |
69 | |
70 | |
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71 | do_argb_finish: |
72 | add r2, r2, #8 |
73 | vzip.8 d4, d5 @ RRR..|GGG.. -> RGRG.. |
74 | vzip.8 d6, d7 @ BBB..|000.. -> B0B0.. |
75 | vzip.16 q2, q3 |
76 | |
77 | vst1.32 d4[0], [r0]! |
78 | cmp r2, #1 |
79 | bxle lr |
80 | vst1.32 d4[1], [r0]! |
81 | cmp r2, #2 |
82 | bxle lr |
83 | vst1.32 d5[0], [r0]! |
84 | cmp r2, #3 |
85 | bxle lr |
86 | vst1.32 d5[1], [r0]! |
87 | cmp r2, #4 |
88 | bxle lr |
89 | vst1.32 d6[0], [r0]! |
90 | cmp r2, #5 |
91 | bxle lr |
92 | vst1.32 d6[1], [r0]! |
93 | cmp r2, #6 |
94 | bxle lr |
95 | vst1.32 d7[0], [r0]! |
96 | bx lr |
97 | |
98 | |
99 | .global neon_ARGBtoXRGB |
100 | neon_ARGBtoXRGB: |
101 | do_argb 0 |
102 | |
103 | .global neon_ABGRtoXRGB |
104 | neon_ABGRtoXRGB: |
105 | do_argb 1 |
106 | |
107 | .global neon_ARGBtoXRGBalpha |
108 | neon_ARGBtoXRGBalpha: |
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109 | do_argb_alpha 0, 0 |
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110 | |
111 | .global neon_ABGRtoXRGBalpha |
112 | neon_ABGRtoXRGBalpha: |
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113 | do_argb_alpha 1, 0 |
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114 | |
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115 | .global neon_ARGBtoXRGBalphaS |
116 | neon_ARGBtoXRGBalphaS: |
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117 | do_argb_alpha 0, 1 |
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118 | |
119 | .global neon_ABGRtoXRGBalphaS |
120 | neon_ABGRtoXRGBalphaS: |
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121 | do_argb_alpha 1, 1 |
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122 | |
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123 | @ vim:filetype=armasm |