epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2006 The Android Open Source Project |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 8 | #ifndef SkCoreBlitters_DEFINED |
| 9 | #define SkCoreBlitters_DEFINED |
| 10 | |
commit-bot@chromium.org | a5572e5 | 2014-03-07 03:24:41 +0000 | [diff] [blame] | 11 | #include "SkBitmapProcShader.h" |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 12 | #include "SkBlitter.h" |
| 13 | #include "SkBlitRow.h" |
commit-bot@chromium.org | a5572e5 | 2014-03-07 03:24:41 +0000 | [diff] [blame] | 14 | #include "SkShader.h" |
Mike Reed | d470673 | 2016-11-15 16:44:34 -0500 | [diff] [blame] | 15 | #include "SkXfermodePriv.h" |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 16 | |
| 17 | class SkRasterBlitter : public SkBlitter { |
| 18 | public: |
reed | 41e010c | 2015-06-09 12:16:53 -0700 | [diff] [blame] | 19 | SkRasterBlitter(const SkPixmap& device) : fDevice(device) {} |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 20 | |
| 21 | protected: |
reed | 41e010c | 2015-06-09 12:16:53 -0700 | [diff] [blame] | 22 | const SkPixmap fDevice; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 23 | |
| 24 | private: |
| 25 | typedef SkBlitter INHERITED; |
| 26 | }; |
| 27 | |
| 28 | class SkShaderBlitter : public SkRasterBlitter { |
| 29 | public: |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 30 | /** |
| 31 | * The storage for shaderContext is owned by the caller, but the object itself is not. |
| 32 | * The blitter only ensures that the storage always holds a live object, but it may |
| 33 | * exchange that object. |
| 34 | */ |
reed | 41e010c | 2015-06-09 12:16:53 -0700 | [diff] [blame] | 35 | SkShaderBlitter(const SkPixmap& device, const SkPaint& paint, |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 36 | SkShader::Context* shaderContext); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 37 | virtual ~SkShaderBlitter(); |
| 38 | |
| 39 | protected: |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 40 | uint32_t fShaderFlags; |
| 41 | const SkShader* fShader; |
| 42 | SkShader::Context* fShaderContext; |
reed | a34be68 | 2016-02-15 07:48:35 -0800 | [diff] [blame] | 43 | bool fConstInY; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 44 | |
| 45 | private: |
| 46 | // illegal |
| 47 | SkShaderBlitter& operator=(const SkShaderBlitter&); |
| 48 | |
| 49 | typedef SkRasterBlitter INHERITED; |
| 50 | }; |
| 51 | |
| 52 | /////////////////////////////////////////////////////////////////////////////// |
| 53 | |
reed@google.com | 126f7f5 | 2013-11-07 16:06:53 +0000 | [diff] [blame] | 54 | class SkA8_Coverage_Blitter : public SkRasterBlitter { |
| 55 | public: |
reed | 41e010c | 2015-06-09 12:16:53 -0700 | [diff] [blame] | 56 | SkA8_Coverage_Blitter(const SkPixmap& device, const SkPaint& paint); |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 57 | void blitH(int x, int y, int width) override; |
| 58 | void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]) override; |
| 59 | void blitV(int x, int y, int height, SkAlpha alpha) override; |
| 60 | void blitRect(int x, int y, int width, int height) override; |
| 61 | void blitMask(const SkMask&, const SkIRect&) override; |
reed | 41e010c | 2015-06-09 12:16:53 -0700 | [diff] [blame] | 62 | const SkPixmap* justAnOpaqueColor(uint32_t*) override; |
reed@google.com | 126f7f5 | 2013-11-07 16:06:53 +0000 | [diff] [blame] | 63 | }; |
| 64 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 65 | class SkA8_Blitter : public SkRasterBlitter { |
| 66 | public: |
reed | 41e010c | 2015-06-09 12:16:53 -0700 | [diff] [blame] | 67 | SkA8_Blitter(const SkPixmap& device, const SkPaint& paint); |
reed | 3dfd133 | 2015-06-25 14:26:11 -0700 | [diff] [blame] | 68 | void blitH(int x, int y, int width) override; |
| 69 | void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]) override; |
| 70 | void blitV(int x, int y, int height, SkAlpha alpha) override; |
| 71 | void blitRect(int x, int y, int width, int height) override; |
| 72 | void blitMask(const SkMask&, const SkIRect&) override; |
| 73 | const SkPixmap* justAnOpaqueColor(uint32_t*) override; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 74 | |
| 75 | private: |
| 76 | unsigned fSrcA; |
| 77 | |
| 78 | // illegal |
| 79 | SkA8_Blitter& operator=(const SkA8_Blitter&); |
| 80 | |
| 81 | typedef SkRasterBlitter INHERITED; |
| 82 | }; |
| 83 | |
| 84 | class SkA8_Shader_Blitter : public SkShaderBlitter { |
| 85 | public: |
reed | 41e010c | 2015-06-09 12:16:53 -0700 | [diff] [blame] | 86 | SkA8_Shader_Blitter(const SkPixmap& device, const SkPaint& paint, |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 87 | SkShader::Context* shaderContext); |
Brian Salomon | d3b6597 | 2017-03-22 12:05:03 -0400 | [diff] [blame] | 88 | ~SkA8_Shader_Blitter() override; |
reed | 3dfd133 | 2015-06-25 14:26:11 -0700 | [diff] [blame] | 89 | void blitH(int x, int y, int width) override; |
| 90 | void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]) override; |
| 91 | void blitMask(const SkMask&, const SkIRect&) override; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 92 | |
| 93 | private: |
| 94 | SkXfermode* fXfermode; |
| 95 | SkPMColor* fBuffer; |
| 96 | uint8_t* fAAExpand; |
| 97 | |
| 98 | // illegal |
| 99 | SkA8_Shader_Blitter& operator=(const SkA8_Shader_Blitter&); |
| 100 | |
| 101 | typedef SkShaderBlitter INHERITED; |
| 102 | }; |
| 103 | |
| 104 | //////////////////////////////////////////////////////////////// |
| 105 | |
| 106 | class SkARGB32_Blitter : public SkRasterBlitter { |
| 107 | public: |
reed | 41e010c | 2015-06-09 12:16:53 -0700 | [diff] [blame] | 108 | SkARGB32_Blitter(const SkPixmap& device, const SkPaint& paint); |
reed | 3dfd133 | 2015-06-25 14:26:11 -0700 | [diff] [blame] | 109 | void blitH(int x, int y, int width) override; |
| 110 | void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]) override; |
| 111 | void blitV(int x, int y, int height, SkAlpha alpha) override; |
| 112 | void blitRect(int x, int y, int width, int height) override; |
| 113 | void blitMask(const SkMask&, const SkIRect&) override; |
| 114 | const SkPixmap* justAnOpaqueColor(uint32_t*) override; |
reed | 6983f66 | 2015-04-15 18:23:03 -0700 | [diff] [blame] | 115 | void blitAntiH2(int x, int y, U8CPU a0, U8CPU a1) override; |
| 116 | void blitAntiV2(int x, int y, U8CPU a0, U8CPU a1) override; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 117 | |
| 118 | protected: |
reed@google.com | ee467ee | 2011-03-09 13:23:57 +0000 | [diff] [blame] | 119 | SkColor fColor; |
| 120 | SkPMColor fPMColor; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 121 | |
| 122 | private: |
| 123 | unsigned fSrcA, fSrcR, fSrcG, fSrcB; |
| 124 | |
| 125 | // illegal |
| 126 | SkARGB32_Blitter& operator=(const SkARGB32_Blitter&); |
| 127 | |
| 128 | typedef SkRasterBlitter INHERITED; |
| 129 | }; |
| 130 | |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 131 | class SkARGB32_Opaque_Blitter : public SkARGB32_Blitter { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 132 | public: |
reed | 41e010c | 2015-06-09 12:16:53 -0700 | [diff] [blame] | 133 | SkARGB32_Opaque_Blitter(const SkPixmap& device, const SkPaint& paint) |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 134 | : INHERITED(device, paint) { SkASSERT(paint.getAlpha() == 0xFF); } |
reed | 3dfd133 | 2015-06-25 14:26:11 -0700 | [diff] [blame] | 135 | void blitMask(const SkMask&, const SkIRect&) override; |
reed | 6983f66 | 2015-04-15 18:23:03 -0700 | [diff] [blame] | 136 | void blitAntiH2(int x, int y, U8CPU a0, U8CPU a1) override; |
| 137 | void blitAntiV2(int x, int y, U8CPU a0, U8CPU a1) override; |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 138 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 139 | private: |
| 140 | typedef SkARGB32_Blitter INHERITED; |
| 141 | }; |
| 142 | |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 143 | class SkARGB32_Black_Blitter : public SkARGB32_Opaque_Blitter { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 144 | public: |
reed | 41e010c | 2015-06-09 12:16:53 -0700 | [diff] [blame] | 145 | SkARGB32_Black_Blitter(const SkPixmap& device, const SkPaint& paint) |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 146 | : INHERITED(device, paint) {} |
reed | 3dfd133 | 2015-06-25 14:26:11 -0700 | [diff] [blame] | 147 | void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]) override; |
reed | 6983f66 | 2015-04-15 18:23:03 -0700 | [diff] [blame] | 148 | void blitAntiH2(int x, int y, U8CPU a0, U8CPU a1) override; |
| 149 | void blitAntiV2(int x, int y, U8CPU a0, U8CPU a1) override; |
reed@android.com | b602b8e | 2009-07-10 15:58:53 +0000 | [diff] [blame] | 150 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 151 | private: |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 152 | typedef SkARGB32_Opaque_Blitter INHERITED; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 153 | }; |
| 154 | |
| 155 | class SkARGB32_Shader_Blitter : public SkShaderBlitter { |
| 156 | public: |
reed | 41e010c | 2015-06-09 12:16:53 -0700 | [diff] [blame] | 157 | SkARGB32_Shader_Blitter(const SkPixmap& device, const SkPaint& paint, |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 158 | SkShader::Context* shaderContext); |
Brian Salomon | d3b6597 | 2017-03-22 12:05:03 -0400 | [diff] [blame] | 159 | ~SkARGB32_Shader_Blitter() override; |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 160 | void blitH(int x, int y, int width) override; |
| 161 | void blitV(int x, int y, int height, SkAlpha alpha) override; |
| 162 | void blitRect(int x, int y, int width, int height) override; |
| 163 | void blitAntiH(int x, int y, const SkAlpha[], const int16_t[]) override; |
| 164 | void blitMask(const SkMask&, const SkIRect&) override; |
halcanary | 9d524f2 | 2016-03-29 09:03:52 -0700 | [diff] [blame] | 165 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 166 | private: |
reed@android.com | c4cae85 | 2009-09-23 15:06:10 +0000 | [diff] [blame] | 167 | SkXfermode* fXfermode; |
| 168 | SkPMColor* fBuffer; |
| 169 | SkBlitRow::Proc32 fProc32; |
| 170 | SkBlitRow::Proc32 fProc32Blend; |
reed@google.com | 13201e7 | 2012-11-16 13:20:41 +0000 | [diff] [blame] | 171 | bool fShadeDirectlyIntoDevice; |
halcanary | 9d524f2 | 2016-03-29 09:03:52 -0700 | [diff] [blame] | 172 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 173 | // illegal |
| 174 | SkARGB32_Shader_Blitter& operator=(const SkARGB32_Shader_Blitter&); |
halcanary | 9d524f2 | 2016-03-29 09:03:52 -0700 | [diff] [blame] | 175 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 176 | typedef SkShaderBlitter INHERITED; |
| 177 | }; |
| 178 | |
reed | 3dc6aac | 2016-04-14 09:02:14 -0700 | [diff] [blame] | 179 | SkBlitter* SkBlitter_ARGB32_Create(const SkPixmap& device, const SkPaint&, SkShader::Context*, |
Herb Derby | 83e939b | 2017-02-07 14:25:11 -0500 | [diff] [blame] | 180 | SkArenaAlloc*); |
reed | a34be68 | 2016-02-15 07:48:35 -0800 | [diff] [blame] | 181 | |
reed | 3dc6aac | 2016-04-14 09:02:14 -0700 | [diff] [blame] | 182 | SkBlitter* SkBlitter_F16_Create(const SkPixmap& device, const SkPaint&, SkShader::Context*, |
Herb Derby | 83e939b | 2017-02-07 14:25:11 -0500 | [diff] [blame] | 183 | SkArenaAlloc*); |
reed | 395eabe | 2016-01-30 18:52:31 -0800 | [diff] [blame] | 184 | |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 185 | /////////////////////////////////////////////////////////////////////////////// |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 186 | |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 187 | /* These return the correct subclass of blitter for their device config. |
| 188 | |
| 189 | Currently, they make the following assumptions about the state of the |
| 190 | paint: |
reed@google.com | 981d479 | 2011-03-09 12:55:47 +0000 | [diff] [blame] | 191 | |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 192 | 1. If there is an xfermode, there will also be a shader |
| 193 | 2. If there is a colorfilter, there will be a shader that itself handles |
| 194 | calling the filter, so the blitter can always ignore the colorfilter obj |
| 195 | |
| 196 | These pre-conditions must be handled by the caller, in our case |
| 197 | SkBlitter::Choose(...) |
| 198 | */ |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 199 | |
reed | 41e010c | 2015-06-09 12:16:53 -0700 | [diff] [blame] | 200 | SkBlitter* SkBlitter_ChooseD565(const SkPixmap& device, const SkPaint& paint, |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 201 | SkShader::Context* shaderContext, |
Herb Derby | 83e939b | 2017-02-07 14:25:11 -0500 | [diff] [blame] | 202 | SkArenaAlloc* allocator); |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 203 | |
mtklein | 9a5c47f | 2016-07-22 11:05:04 -0700 | [diff] [blame] | 204 | |
Mike Klein | b35cb31 | 2017-05-19 12:01:01 -0400 | [diff] [blame^] | 205 | // Neither of these ever returns nullptr, but this first factory may return a SkNullBlitter. |
Mike Klein | fb191da | 2016-11-15 13:20:33 -0500 | [diff] [blame] | 206 | SkBlitter* SkCreateRasterPipelineBlitter(const SkPixmap&, const SkPaint&, const SkMatrix& ctm, |
Matt Sarett | 25834ff | 2017-02-15 15:54:35 -0500 | [diff] [blame] | 207 | SkArenaAlloc*); |
Mike Klein | b35cb31 | 2017-05-19 12:01:01 -0400 | [diff] [blame^] | 208 | // Use this if you've pre-baked a shader pipeline, including modulating with paint alpha. |
| 209 | // This factory never returns an SkNullBlitter. |
| 210 | SkBlitter* SkCreateRasterPipelineBlitter(const SkPixmap&, const SkPaint&, |
Mike Reed | 0264095 | 2017-05-19 15:32:13 -0400 | [diff] [blame] | 211 | const SkRasterPipeline& shaderPipeline, |
Mike Klein | b35cb31 | 2017-05-19 12:01:01 -0400 | [diff] [blame^] | 212 | bool shader_is_opaque, |
| 213 | bool shader_wants_dither, |
Mike Reed | 0264095 | 2017-05-19 15:32:13 -0400 | [diff] [blame] | 214 | SkArenaAlloc*); |
mtklein | 9a5c47f | 2016-07-22 11:05:04 -0700 | [diff] [blame] | 215 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 216 | #endif |