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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2011 Google Inc. | 3 * Copyright 2011 Google Inc. |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 #include "SkAAClip.h" | 9 #include "SkAAClip.h" |
10 #include "SkBlitter.h" | 10 #include "SkBlitter.h" |
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2039 memcpy(dst, src, n); | 2039 memcpy(dst, src, n); |
2040 } | 2040 } |
2041 | 2041 |
2042 static void small_bzero(void* dst, size_t n) { | 2042 static void small_bzero(void* dst, size_t n) { |
2043 sk_bzero(dst, n); | 2043 sk_bzero(dst, n); |
2044 } | 2044 } |
2045 | 2045 |
2046 static inline uint8_t mergeOne(uint8_t value, unsigned alpha) { | 2046 static inline uint8_t mergeOne(uint8_t value, unsigned alpha) { |
2047 return SkMulDiv255Round(value, alpha); | 2047 return SkMulDiv255Round(value, alpha); |
2048 } | 2048 } |
| 2049 |
2049 static inline uint16_t mergeOne(uint16_t value, unsigned alpha) { | 2050 static inline uint16_t mergeOne(uint16_t value, unsigned alpha) { |
2050 unsigned r = SkGetPackedR16(value); | 2051 unsigned r = SkGetPackedR16(value); |
2051 unsigned g = SkGetPackedG16(value); | 2052 unsigned g = SkGetPackedG16(value); |
2052 unsigned b = SkGetPackedB16(value); | 2053 unsigned b = SkGetPackedB16(value); |
2053 return SkPackRGB16(SkMulDiv255Round(r, alpha), | 2054 return SkPackRGB16(SkMulDiv255Round(r, alpha), |
2054 SkMulDiv255Round(g, alpha), | 2055 SkMulDiv255Round(g, alpha), |
2055 SkMulDiv255Round(b, alpha)); | 2056 SkMulDiv255Round(b, alpha)); |
2056 } | 2057 } |
2057 static inline SkPMColor mergeOne(SkPMColor value, unsigned alpha) { | |
2058 unsigned a = SkGetPackedA32(value); | |
2059 unsigned r = SkGetPackedR32(value); | |
2060 unsigned g = SkGetPackedG32(value); | |
2061 unsigned b = SkGetPackedB32(value); | |
2062 return SkPackARGB32(SkMulDiv255Round(a, alpha), | |
2063 SkMulDiv255Round(r, alpha), | |
2064 SkMulDiv255Round(g, alpha), | |
2065 SkMulDiv255Round(b, alpha)); | |
2066 } | |
2067 | 2058 |
2068 template <typename T> void mergeT(const T* SK_RESTRICT src, int srcN, | 2059 template <typename T> void mergeT(const T* SK_RESTRICT src, int srcN, |
2069 const uint8_t* SK_RESTRICT row, int rowN, | 2060 const uint8_t* SK_RESTRICT row, int rowN, |
2070 T* SK_RESTRICT dst) { | 2061 T* SK_RESTRICT dst) { |
2071 for (;;) { | 2062 for (;;) { |
2072 SkASSERT(rowN > 0); | 2063 SkASSERT(rowN > 0); |
2073 SkASSERT(srcN > 0); | 2064 SkASSERT(srcN > 0); |
2074 | 2065 |
2075 int n = SkMin32(rowN, srcN); | 2066 int n = SkMin32(rowN, srcN); |
2076 unsigned rowA = row[1]; | 2067 unsigned rowA = row[1]; |
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2104 return NULL; | 2095 return NULL; |
2105 case SkMask::kA8_Format: | 2096 case SkMask::kA8_Format: |
2106 case SkMask::k3D_Format: { | 2097 case SkMask::k3D_Format: { |
2107 void (*proc8)(const uint8_t*, int, const uint8_t*, int, uint8_t*) =
mergeT; | 2098 void (*proc8)(const uint8_t*, int, const uint8_t*, int, uint8_t*) =
mergeT; |
2108 return (MergeAAProc)proc8; | 2099 return (MergeAAProc)proc8; |
2109 } | 2100 } |
2110 case SkMask::kLCD16_Format: { | 2101 case SkMask::kLCD16_Format: { |
2111 void (*proc16)(const uint16_t*, int, const uint8_t*, int, uint16_t*)
= mergeT; | 2102 void (*proc16)(const uint16_t*, int, const uint8_t*, int, uint16_t*)
= mergeT; |
2112 return (MergeAAProc)proc16; | 2103 return (MergeAAProc)proc16; |
2113 } | 2104 } |
2114 case SkMask::kLCD32_Format: { | |
2115 void (*proc32)(const SkPMColor*, int, const uint8_t*, int, SkPMColor
*) = mergeT; | |
2116 return (MergeAAProc)proc32; | |
2117 } | |
2118 default: | 2105 default: |
2119 SkDEBUGFAIL("unsupported"); | 2106 SkDEBUGFAIL("unsupported"); |
2120 return NULL; | 2107 return NULL; |
2121 } | 2108 } |
2122 } | 2109 } |
2123 | 2110 |
2124 static U8CPU bit2byte(int bitInAByte) { | 2111 static U8CPU bit2byte(int bitInAByte) { |
2125 SkASSERT(bitInAByte <= 0xFF); | 2112 SkASSERT(bitInAByte <= 0xFF); |
2126 // negation turns any non-zero into 0xFFFFFF??, so we just shift down | 2113 // negation turns any non-zero into 0xFFFFFF??, so we just shift down |
2127 // some value >= 8 to get a full FF value | 2114 // some value >= 8 to get a full FF value |
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2228 rowMask.fBounds.fBottom = y + 1; | 2215 rowMask.fBounds.fBottom = y + 1; |
2229 fBlitter->blitMask(rowMask, rowMask.fBounds); | 2216 fBlitter->blitMask(rowMask, rowMask.fBounds); |
2230 src = (const void*)((const char*)src + srcRB); | 2217 src = (const void*)((const char*)src + srcRB); |
2231 } while (++y < localStopY); | 2218 } while (++y < localStopY); |
2232 } while (y < stopY); | 2219 } while (y < stopY); |
2233 } | 2220 } |
2234 | 2221 |
2235 const SkBitmap* SkAAClipBlitter::justAnOpaqueColor(uint32_t* value) { | 2222 const SkBitmap* SkAAClipBlitter::justAnOpaqueColor(uint32_t* value) { |
2236 return NULL; | 2223 return NULL; |
2237 } | 2224 } |
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