robertphillips | 31dc1b2 | 2015-07-07 10:05:18 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015 Google Inc. |
| 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 | |
commit-bot@chromium.org | df187c7 | 2013-10-09 14:39:46 +0000 | [diff] [blame] | 8 | #ifndef SkXfermode_proccoeff_DEFINED |
| 9 | #define SkXfermode_proccoeff_DEFINED |
| 10 | |
| 11 | #include "SkXfermode.h" |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 12 | #include "SkReadBuffer.h" |
| 13 | #include "SkWriteBuffer.h" |
commit-bot@chromium.org | df187c7 | 2013-10-09 14:39:46 +0000 | [diff] [blame] | 14 | |
| 15 | struct ProcCoeff { |
| 16 | SkXfermodeProc fProc; |
| 17 | SkXfermode::Coeff fSC; |
| 18 | SkXfermode::Coeff fDC; |
| 19 | }; |
| 20 | |
| 21 | #define CANNOT_USE_COEFF SkXfermode::Coeff(-1) |
| 22 | |
commit-bot@chromium.org | cc277b7 | 2014-04-17 15:19:32 +0000 | [diff] [blame] | 23 | class SK_API SkProcCoeffXfermode : public SkXfermode { |
commit-bot@chromium.org | df187c7 | 2013-10-09 14:39:46 +0000 | [diff] [blame] | 24 | public: |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 25 | SkProcCoeffXfermode(const ProcCoeff& rec, Mode mode) { |
| 26 | fMode = mode; |
| 27 | fProc = rec.fProc; |
| 28 | // these may be valid, or may be CANNOT_USE_COEFF |
| 29 | fSrcCoeff = rec.fSC; |
| 30 | fDstCoeff = rec.fDC; |
commit-bot@chromium.org | df187c7 | 2013-10-09 14:39:46 +0000 | [diff] [blame] | 31 | } |
mtklein | 3f3b3d0 | 2014-12-01 11:47:08 -0800 | [diff] [blame] | 32 | |
robertphillips | 31dc1b2 | 2015-07-07 10:05:18 -0700 | [diff] [blame] | 33 | void xfer32(SkPMColor dst[], const SkPMColor src[], int count, |
| 34 | const SkAlpha aa[]) const override; |
| 35 | void xfer16(uint16_t dst[], const SkPMColor src[], int count, |
| 36 | const SkAlpha aa[]) const override; |
| 37 | void xferA8(SkAlpha dst[], const SkPMColor src[], int count, |
| 38 | const SkAlpha aa[]) const override; |
commit-bot@chromium.org | cc277b7 | 2014-04-17 15:19:32 +0000 | [diff] [blame] | 39 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 40 | bool asMode(Mode* mode) const override; |
commit-bot@chromium.org | df187c7 | 2013-10-09 14:39:46 +0000 | [diff] [blame] | 41 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 42 | bool supportsCoverageAsAlpha() const override; |
egdaniel | dcfb7cf | 2015-01-22 06:52:29 -0800 | [diff] [blame] | 43 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 44 | bool isOpaque(SkXfermode::SrcColorOpacity opacityType) const override; |
commit-bot@chromium.org | df187c7 | 2013-10-09 14:39:46 +0000 | [diff] [blame] | 45 | |
| 46 | #if SK_SUPPORT_GPU |
bsalomon | 4a33952 | 2015-10-06 08:40:50 -0700 | [diff] [blame^] | 47 | bool asFragmentProcessor(const GrFragmentProcessor**, |
bsalomon | ae4738f | 2015-09-15 15:33:27 -0700 | [diff] [blame] | 48 | const GrFragmentProcessor*) const override; |
egdaniel | 54f0e9d | 2015-01-16 06:29:47 -0800 | [diff] [blame] | 49 | |
robertphillips | 31dc1b2 | 2015-07-07 10:05:18 -0700 | [diff] [blame] | 50 | bool asXPFactory(GrXPFactory**) const override; |
commit-bot@chromium.org | df187c7 | 2013-10-09 14:39:46 +0000 | [diff] [blame] | 51 | #endif |
| 52 | |
commit-bot@chromium.org | 0f10f7b | 2014-03-13 18:02:17 +0000 | [diff] [blame] | 53 | SK_TO_STRING_OVERRIDE() |
commit-bot@chromium.org | df187c7 | 2013-10-09 14:39:46 +0000 | [diff] [blame] | 54 | SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkProcCoeffXfermode) |
| 55 | |
| 56 | protected: |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 57 | void flatten(SkWriteBuffer& buffer) const override; |
commit-bot@chromium.org | df187c7 | 2013-10-09 14:39:46 +0000 | [diff] [blame] | 58 | |
commit-bot@chromium.org | cc277b7 | 2014-04-17 15:19:32 +0000 | [diff] [blame] | 59 | Mode getMode() const { return fMode; } |
| 60 | |
| 61 | SkXfermodeProc getProc() const { return fProc; } |
commit-bot@chromium.org | cd7992b | 2013-10-17 16:29:34 +0000 | [diff] [blame] | 62 | |
commit-bot@chromium.org | df187c7 | 2013-10-09 14:39:46 +0000 | [diff] [blame] | 63 | private: |
commit-bot@chromium.org | cc277b7 | 2014-04-17 15:19:32 +0000 | [diff] [blame] | 64 | SkXfermodeProc fProc; |
| 65 | Mode fMode; |
| 66 | Coeff fSrcCoeff, fDstCoeff; |
commit-bot@chromium.org | df187c7 | 2013-10-09 14:39:46 +0000 | [diff] [blame] | 67 | |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 68 | friend class SkXfermode; |
| 69 | |
commit-bot@chromium.org | cc277b7 | 2014-04-17 15:19:32 +0000 | [diff] [blame] | 70 | typedef SkXfermode INHERITED; |
commit-bot@chromium.org | df187c7 | 2013-10-09 14:39:46 +0000 | [diff] [blame] | 71 | }; |
| 72 | |
| 73 | #endif // #ifndef SkXfermode_proccoeff_DEFINED |