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1 /* | 1 /* |
2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #include "SkBlitRow.h" | 8 #include "SkBlitRow.h" |
9 #include "SkBlitMask.h" | 9 #include "SkBlitMask.h" |
10 #include "SkColorPriv.h" | 10 #include "SkColorPriv.h" |
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45 #else | 45 #else |
46 do { | 46 do { |
47 *dst = SkAlphaMulQ(*src, src_scale) + SkAlphaMulQ(*dst, dst_scale); | 47 *dst = SkAlphaMulQ(*src, src_scale) + SkAlphaMulQ(*dst, dst_scale); |
48 src += 1; | 48 src += 1; |
49 dst += 1; | 49 dst += 1; |
50 } while (--count > 0); | 50 } while (--count > 0); |
51 #endif | 51 #endif |
52 } | 52 } |
53 } | 53 } |
54 | 54 |
55 static void S32A_Opaque_BlitRow32(SkPMColor* SK_RESTRICT dst, | |
56 const SkPMColor* SK_RESTRICT src, | |
57 int count, U8CPU alpha) { | |
58 SkASSERT(255 == alpha); | |
59 if (count > 0) { | |
60 #ifdef UNROLL | |
61 if (count & 1) { | |
62 *dst = SkPMSrcOver(*(src++), *dst); | |
63 dst += 1; | |
64 count -= 1; | |
65 } | |
66 | |
67 const SkPMColor* SK_RESTRICT srcEnd = src + count; | |
68 while (src != srcEnd) { | |
69 *dst = SkPMSrcOver(*(src++), *dst); | |
70 dst += 1; | |
71 *dst = SkPMSrcOver(*(src++), *dst); | |
72 dst += 1; | |
73 } | |
74 #else | |
75 do { | |
76 *dst = SkPMSrcOver(*src, *dst); | |
77 src += 1; | |
78 dst += 1; | |
79 } while (--count > 0); | |
80 #endif | |
81 } | |
82 } | |
83 | |
84 static void S32A_Blend_BlitRow32(SkPMColor* SK_RESTRICT dst, | 55 static void S32A_Blend_BlitRow32(SkPMColor* SK_RESTRICT dst, |
85 const SkPMColor* SK_RESTRICT src, | 56 const SkPMColor* SK_RESTRICT src, |
86 int count, U8CPU alpha) { | 57 int count, U8CPU alpha) { |
87 SkASSERT(alpha <= 255); | 58 SkASSERT(alpha <= 255); |
88 if (count > 0) { | 59 if (count > 0) { |
89 #ifdef UNROLL | 60 #ifdef UNROLL |
90 if (count & 1) { | 61 if (count & 1) { |
91 *dst = SkBlendARGB32(*(src++), *dst, alpha); | 62 *dst = SkBlendARGB32(*(src++), *dst, alpha); |
92 dst += 1; | 63 dst += 1; |
93 count -= 1; | 64 count -= 1; |
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108 } while (--count > 0); | 79 } while (--count > 0); |
109 #endif | 80 #endif |
110 } | 81 } |
111 } | 82 } |
112 | 83 |
113 /////////////////////////////////////////////////////////////////////////////// | 84 /////////////////////////////////////////////////////////////////////////////// |
114 | 85 |
115 static const SkBlitRow::Proc32 gDefault_Procs32[] = { | 86 static const SkBlitRow::Proc32 gDefault_Procs32[] = { |
116 S32_Opaque_BlitRow32, | 87 S32_Opaque_BlitRow32, |
117 S32_Blend_BlitRow32, | 88 S32_Blend_BlitRow32, |
118 S32A_Opaque_BlitRow32, | 89 nullptr, |
119 S32A_Blend_BlitRow32 | 90 S32A_Blend_BlitRow32 |
120 }; | 91 }; |
121 | 92 |
122 SkBlitRow::Proc32 SkBlitRow::Factory32(unsigned flags) { | 93 SkBlitRow::Proc32 SkBlitRow::Factory32(unsigned flags) { |
123 SkASSERT(flags < SK_ARRAY_COUNT(gDefault_Procs32)); | 94 SkASSERT(flags < SK_ARRAY_COUNT(gDefault_Procs32)); |
124 // just so we don't crash | 95 // just so we don't crash |
125 flags &= kFlags32_Mask; | 96 flags &= kFlags32_Mask; |
126 | 97 |
| 98 if (flags == 2) { |
| 99 // S32A_Opaque_BlitRow32 has been ported to SkOpts, but not the others y
et. |
| 100 return SkOpts::blit_row_s32a_opaque; |
| 101 } |
| 102 |
127 SkBlitRow::Proc32 proc = PlatformProcs32(flags); | 103 SkBlitRow::Proc32 proc = PlatformProcs32(flags); |
128 if (nullptr == proc) { | 104 if (nullptr == proc) { |
129 proc = gDefault_Procs32[flags]; | 105 proc = gDefault_Procs32[flags]; |
130 } | 106 } |
131 SkASSERT(proc); | 107 SkASSERT(proc); |
132 return proc; | 108 return proc; |
133 } | 109 } |
134 | 110 |
135 void SkBlitRow::Color32(SkPMColor dst[], const SkPMColor src[], int count, SkPMC
olor color) { | 111 void SkBlitRow::Color32(SkPMColor dst[], const SkPMColor src[], int count, SkPMC
olor color) { |
136 switch (SkGetPackedA32(color)) { | 112 switch (SkGetPackedA32(color)) { |
137 case 0: memmove(dst, src, count * sizeof(SkPMColor)); return; | 113 case 0: memmove(dst, src, count * sizeof(SkPMColor)); return; |
138 case 255: sk_memset32(dst, color, count); return; | 114 case 255: sk_memset32(dst, color, count); return; |
139 } | 115 } |
140 return SkOpts::blit_row_color32(dst, src, count, color); | 116 return SkOpts::blit_row_color32(dst, src, count, color); |
141 } | 117 } |
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