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| 1 /* | 1 /* |
| 2 * Copyright 2006 The Android Open Source Project | 2 * Copyright 2006 The Android Open Source Project |
| 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 "SkOpts.h" | 8 #include "SkOpts.h" |
| 9 #include "SkSmallAllocator.h" | 9 #include "SkSmallAllocator.h" |
| 10 #include "SkSpriteBlitter.h" | 10 #include "SkSpriteBlitter.h" |
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| 52 // 1. src == dst format | 52 // 1. src == dst format |
| 53 // 2. paint has no modifiers (i.e. alpha, colorfilter, etc.) | 53 // 2. paint has no modifiers (i.e. alpha, colorfilter, etc.) |
| 54 // 3. xfermode needs no blending: e.g. kSrc_Mode or kSrcOver_Mode + opaque
src | 54 // 3. xfermode needs no blending: e.g. kSrc_Mode or kSrcOver_Mode + opaque
src |
| 55 // | 55 // |
| 56 class SkSpriteBlitter_Src_SrcOver final : public SkSpriteBlitter { | 56 class SkSpriteBlitter_Src_SrcOver final : public SkSpriteBlitter { |
| 57 public: | 57 public: |
| 58 static bool Supports(const SkPixmap& dst, const SkPixmap& src, const SkPaint
& paint) { | 58 static bool Supports(const SkPixmap& dst, const SkPixmap& src, const SkPaint
& paint) { |
| 59 if (dst.colorType() != src.colorType()) { | 59 if (dst.colorType() != src.colorType()) { |
| 60 return false; | 60 return false; |
| 61 } | 61 } |
| 62 if (dst.info().profileType() != src.info().profileType()) { | 62 if (dst.info().gammaCloseToSRGB() != src.info().gammaCloseToSRGB()) { |
| 63 return false; | 63 return false; |
| 64 } | 64 } |
| 65 if (paint.getMaskFilter() || paint.getColorFilter() || paint.getImageFil
ter()) { | 65 if (paint.getMaskFilter() || paint.getColorFilter() || paint.getImageFil
ter()) { |
| 66 return false; | 66 return false; |
| 67 } | 67 } |
| 68 if (0xFF != paint.getAlpha()) { | 68 if (0xFF != paint.getAlpha()) { |
| 69 return false; | 69 return false; |
| 70 } | 70 } |
| 71 SkXfermode::Mode mode; | 71 SkXfermode::Mode mode; |
| 72 if (!SkXfermode::AsMode(paint.getXfermode(), &mode)) { | 72 if (!SkXfermode::AsMode(paint.getXfermode(), &mode)) { |
| 73 return false; | 73 return false; |
| 74 } | 74 } |
| 75 if (SkXfermode::kSrc_Mode == mode) { | 75 if (SkXfermode::kSrc_Mode == mode) { |
| 76 return true; | 76 return true; |
| 77 } | 77 } |
| 78 if (SkXfermode::kSrcOver_Mode == mode && src.isOpaque()) { | 78 if (SkXfermode::kSrcOver_Mode == mode && src.isOpaque()) { |
| 79 return true; | 79 return true; |
| 80 } | 80 } |
| 81 | 81 |
| 82 // At this point memcpy can't be used. The following check for using Src
Over. | 82 // At this point memcpy can't be used. The following check for using Src
Over. |
| 83 | 83 |
| 84 if (dst.colorType() != kN32_SkColorType | 84 if (dst.colorType() != kN32_SkColorType || !dst.info().gammaCloseToSRGB(
)) { |
| 85 || dst.info().profileType() != kSRGB_SkColorProfileType) { | |
| 86 return false; | 85 return false; |
| 87 } | 86 } |
| 88 | 87 |
| 89 return SkXfermode::kSrcOver_Mode == mode; | 88 return SkXfermode::kSrcOver_Mode == mode; |
| 90 } | 89 } |
| 91 | 90 |
| 92 SkSpriteBlitter_Src_SrcOver(const SkPixmap& src) | 91 SkSpriteBlitter_Src_SrcOver(const SkPixmap& src) |
| 93 : INHERITED(src) {} | 92 : INHERITED(src) {} |
| 94 | 93 |
| 95 void setup(const SkPixmap& dst, int left, int top, const SkPaint& paint) ove
rride { | 94 void setup(const SkPixmap& dst, int left, int top, const SkPaint& paint) ove
rride { |
| 96 SkASSERT(Supports(dst, fSource, paint)); | 95 SkASSERT(Supports(dst, fSource, paint)); |
| 97 this->INHERITED::setup(dst, left, top, paint); | 96 this->INHERITED::setup(dst, left, top, paint); |
| 98 SkXfermode::Mode mode; | 97 SkXfermode::Mode mode; |
| 99 if (!SkXfermode::AsMode(paint.getXfermode(), &mode)) { | 98 if (!SkXfermode::AsMode(paint.getXfermode(), &mode)) { |
| 100 SkFAIL("Should never happen."); | 99 SkFAIL("Should never happen."); |
| 101 } | 100 } |
| 102 | 101 |
| 103 SkASSERT(mode == SkXfermode::kSrcOver_Mode || mode == SkXfermode::kSrc_M
ode); | 102 SkASSERT(mode == SkXfermode::kSrcOver_Mode || mode == SkXfermode::kSrc_M
ode); |
| 104 | 103 |
| 105 if (mode == SkXfermode::kSrcOver_Mode && !fSource.isOpaque()) { | 104 if (mode == SkXfermode::kSrcOver_Mode && !fSource.isOpaque()) { |
| 106 fUseMemcpy = false; | 105 fUseMemcpy = false; |
| 107 } | 106 } |
| 108 } | 107 } |
| 109 | 108 |
| 110 void blitRect(int x, int y, int width, int height) override { | 109 void blitRect(int x, int y, int width, int height) override { |
| 111 SkASSERT(fDst.colorType() == fSource.colorType()); | 110 SkASSERT(fDst.colorType() == fSource.colorType()); |
| 112 SkASSERT(fDst.info().profileType() == fSource.info().profileType()); | 111 SkASSERT(fDst.info().gammaCloseToSRGB() == fSource.info().gammaCloseToSR
GB()); |
| 113 SkASSERT(width > 0 && height > 0); | 112 SkASSERT(width > 0 && height > 0); |
| 114 | 113 |
| 115 if (fUseMemcpy) { | 114 if (fUseMemcpy) { |
| 116 char* dst = (char*)fDst.writable_addr(x, y); | 115 char* dst = (char*)fDst.writable_addr(x, y); |
| 117 const char* src = (const char*)fSource.addr(x - fLeft, y - fTop); | 116 const char* src = (const char*)fSource.addr(x - fLeft, y - fTop); |
| 118 const size_t dstRB = fDst.rowBytes(); | 117 const size_t dstRB = fDst.rowBytes(); |
| 119 const size_t srcRB = fSource.rowBytes(); | 118 const size_t srcRB = fSource.rowBytes(); |
| 120 const size_t bytesToCopy = width << fSource.shiftPerPixel(); | 119 const size_t bytesToCopy = width << fSource.shiftPerPixel(); |
| 121 | 120 |
| 122 while (height --> 0) { | 121 while (height --> 0) { |
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| 168 SkSpriteBlitter* blitter = nullptr; | 167 SkSpriteBlitter* blitter = nullptr; |
| 169 | 168 |
| 170 if (SkSpriteBlitter_Src_SrcOver::Supports(dst, source, paint)) { | 169 if (SkSpriteBlitter_Src_SrcOver::Supports(dst, source, paint)) { |
| 171 blitter = allocator->createT<SkSpriteBlitter_Src_SrcOver>(source); | 170 blitter = allocator->createT<SkSpriteBlitter_Src_SrcOver>(source); |
| 172 } else { | 171 } else { |
| 173 switch (dst.colorType()) { | 172 switch (dst.colorType()) { |
| 174 case kRGB_565_SkColorType: | 173 case kRGB_565_SkColorType: |
| 175 blitter = SkSpriteBlitter::ChooseD16(source, paint, allocator); | 174 blitter = SkSpriteBlitter::ChooseD16(source, paint, allocator); |
| 176 break; | 175 break; |
| 177 case kN32_SkColorType: | 176 case kN32_SkColorType: |
| 178 if (dst.info().isSRGB()) { | 177 if (dst.info().gammaCloseToSRGB()) { |
| 179 blitter = SkSpriteBlitter::ChooseS32(source, paint, allocato
r); | 178 blitter = SkSpriteBlitter::ChooseS32(source, paint, allocato
r); |
| 180 } else { | 179 } else { |
| 181 blitter = SkSpriteBlitter::ChooseL32(source, paint, allocato
r); | 180 blitter = SkSpriteBlitter::ChooseL32(source, paint, allocato
r); |
| 182 } | 181 } |
| 183 break; | 182 break; |
| 184 case kRGBA_F16_SkColorType: | 183 case kRGBA_F16_SkColorType: |
| 185 blitter = SkSpriteBlitter::ChooseF16(source, paint, allocator); | 184 blitter = SkSpriteBlitter::ChooseF16(source, paint, allocator); |
| 186 break; | 185 break; |
| 187 default: | 186 default: |
| 188 break; | 187 break; |
| 189 } | 188 } |
| 190 } | 189 } |
| 191 | 190 |
| 192 if (blitter) { | 191 if (blitter) { |
| 193 blitter->setup(dst, left, top, paint); | 192 blitter->setup(dst, left, top, paint); |
| 194 } | 193 } |
| 195 return blitter; | 194 return blitter; |
| 196 } | 195 } |
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