reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1 | /* |
epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 2 | * Copyright 2006 The Android Open Source Project |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 3 | * |
epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 6 | */ |
| 7 | |
| 8 | #ifndef SkComposeShader_DEFINED |
| 9 | #define SkComposeShader_DEFINED |
| 10 | |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 11 | #include "include/core/SkBlendMode.h" |
| 12 | #include "src/shaders/SkShaderBase.h" |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 13 | |
Mike Reed | 9b2c4e9 | 2019-04-02 09:54:14 -0400 | [diff] [blame] | 14 | class SkShader_Blend final : public SkShaderBase { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 15 | public: |
Florin Malita | 9ab449a | 2019-07-09 13:22:50 -0400 | [diff] [blame^] | 16 | SkShader_Blend(SkBlendMode mode, sk_sp<SkShader> dst, sk_sp<SkShader> src, const SkMatrix* lm) |
| 17 | : INHERITED(lm) |
| 18 | , fDst(std::move(dst)) |
Mike Reed | 01b2b83 | 2017-06-09 10:51:52 -0400 | [diff] [blame] | 19 | , fSrc(std::move(src)) |
Mike Reed | 7d954ad | 2016-10-28 15:42:34 -0400 | [diff] [blame] | 20 | , fMode(mode) |
Mike Reed | 9b2c4e9 | 2019-04-02 09:54:14 -0400 | [diff] [blame] | 21 | {} |
| 22 | |
| 23 | #if SK_SUPPORT_GPU |
| 24 | std::unique_ptr<GrFragmentProcessor> asFragmentProcessor(const GrFPArgs&) const override; |
| 25 | #endif |
| 26 | |
| 27 | protected: |
| 28 | SkShader_Blend(SkReadBuffer&); |
| 29 | void flatten(SkWriteBuffer&) const override; |
| 30 | bool onAppendStages(const SkStageRec&) const override; |
| 31 | |
| 32 | private: |
| 33 | SK_FLATTENABLE_HOOKS(SkShader_Blend) |
| 34 | |
| 35 | sk_sp<SkShader> fDst; |
| 36 | sk_sp<SkShader> fSrc; |
| 37 | const SkBlendMode fMode; |
| 38 | |
| 39 | typedef SkShaderBase INHERITED; |
| 40 | }; |
| 41 | |
| 42 | class SkShader_Lerp final : public SkShaderBase { |
| 43 | public: |
Florin Malita | 9ab449a | 2019-07-09 13:22:50 -0400 | [diff] [blame^] | 44 | SkShader_Lerp(float weight, sk_sp<SkShader> dst, sk_sp<SkShader> src, const SkMatrix* lm) |
| 45 | : INHERITED(lm) |
| 46 | , fDst(std::move(dst)) |
Mike Reed | 9b2c4e9 | 2019-04-02 09:54:14 -0400 | [diff] [blame] | 47 | , fSrc(std::move(src)) |
| 48 | , fWeight(weight) |
Mike Reed | 01b2b83 | 2017-06-09 10:51:52 -0400 | [diff] [blame] | 49 | { |
Mike Reed | 9b2c4e9 | 2019-04-02 09:54:14 -0400 | [diff] [blame] | 50 | SkASSERT(weight >= 0 && weight <= 1); |
Mike Reed | 01b2b83 | 2017-06-09 10:51:52 -0400 | [diff] [blame] | 51 | } |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 52 | |
wangyix | 73fa616 | 2015-09-01 09:45:08 -0700 | [diff] [blame] | 53 | #if SK_SUPPORT_GPU |
Mike Reed | e3429e6 | 2018-01-19 11:43:34 -0500 | [diff] [blame] | 54 | std::unique_ptr<GrFragmentProcessor> asFragmentProcessor(const GrFPArgs&) const override; |
wangyix | 73fa616 | 2015-09-01 09:45:08 -0700 | [diff] [blame] | 55 | #endif |
| 56 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 57 | protected: |
Mike Reed | 9b2c4e9 | 2019-04-02 09:54:14 -0400 | [diff] [blame] | 58 | SkShader_Lerp(SkReadBuffer&); |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 59 | void flatten(SkWriteBuffer&) const override; |
Mike Reed | 1386b2d | 2019-03-13 21:15:05 -0400 | [diff] [blame] | 60 | bool onAppendStages(const SkStageRec&) const override; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 61 | |
| 62 | private: |
Mike Reed | 9b2c4e9 | 2019-04-02 09:54:14 -0400 | [diff] [blame] | 63 | SK_FLATTENABLE_HOOKS(SkShader_Lerp) |
Mike Klein | 4fee323 | 2018-10-18 17:27:16 -0400 | [diff] [blame] | 64 | |
Mike Reed | 9b2c4e9 | 2019-04-02 09:54:14 -0400 | [diff] [blame] | 65 | sk_sp<SkShader> fDst; |
| 66 | sk_sp<SkShader> fSrc; |
| 67 | const float fWeight; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 68 | |
Florin Malita | 4aed138 | 2017-05-25 10:38:07 -0400 | [diff] [blame] | 69 | typedef SkShaderBase INHERITED; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 70 | }; |
| 71 | |
Mike Reed | c8bea7d | 2019-04-09 13:55:36 -0400 | [diff] [blame] | 72 | class SkShader_LerpRed final : public SkShaderBase { |
| 73 | public: |
Florin Malita | 9ab449a | 2019-07-09 13:22:50 -0400 | [diff] [blame^] | 74 | SkShader_LerpRed(sk_sp<SkShader> red, sk_sp<SkShader> dst, sk_sp<SkShader> src, |
| 75 | const SkMatrix* lm) |
| 76 | : INHERITED(lm) |
| 77 | , fDst(std::move(dst)) |
Mike Reed | c8bea7d | 2019-04-09 13:55:36 -0400 | [diff] [blame] | 78 | , fSrc(std::move(src)) |
| 79 | , fRed(std::move(red)) |
| 80 | {} |
| 81 | |
| 82 | #if SK_SUPPORT_GPU |
| 83 | std::unique_ptr<GrFragmentProcessor> asFragmentProcessor(const GrFPArgs&) const override; |
| 84 | #endif |
| 85 | |
| 86 | protected: |
| 87 | SkShader_LerpRed(SkReadBuffer&); |
| 88 | void flatten(SkWriteBuffer&) const override; |
| 89 | bool onAppendStages(const SkStageRec&) const override; |
| 90 | |
| 91 | private: |
| 92 | SK_FLATTENABLE_HOOKS(SkShader_LerpRed) |
| 93 | |
| 94 | sk_sp<SkShader> fDst; |
| 95 | sk_sp<SkShader> fSrc; |
| 96 | sk_sp<SkShader> fRed; |
| 97 | |
| 98 | typedef SkShaderBase INHERITED; |
| 99 | }; |
| 100 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 101 | #endif |