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 | |
Florin Malita | 4aed138 | 2017-05-25 10:38:07 -0400 | [diff] [blame] | 11 | #include "SkShaderBase.h" |
Mike Reed | 7d954ad | 2016-10-28 15:42:34 -0400 | [diff] [blame] | 12 | #include "SkBlendMode.h" |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 13 | |
Florin Malita | 5769dd2 | 2017-07-12 13:31:25 -0400 | [diff] [blame] | 14 | class SkComposeShader final : public SkShaderBase { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 15 | public: |
Mike Reed | 01b2b83 | 2017-06-09 10:51:52 -0400 | [diff] [blame] | 16 | SkComposeShader(sk_sp<SkShader> dst, sk_sp<SkShader> src, SkBlendMode mode, float lerpT) |
| 17 | : fDst(std::move(dst)) |
| 18 | , fSrc(std::move(src)) |
| 19 | , fLerpT(lerpT) |
Mike Reed | 7d954ad | 2016-10-28 15:42:34 -0400 | [diff] [blame] | 20 | , fMode(mode) |
Mike Reed | 01b2b83 | 2017-06-09 10:51:52 -0400 | [diff] [blame] | 21 | { |
| 22 | SkASSERT(lerpT >= 0 && lerpT <= 1); |
| 23 | } |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 24 | |
wangyix | 73fa616 | 2015-09-01 09:45:08 -0700 | [diff] [blame] | 25 | #if SK_SUPPORT_GPU |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 26 | std::unique_ptr<GrFragmentProcessor> asFragmentProcessor(const AsFPArgs&) const override; |
wangyix | 73fa616 | 2015-09-01 09:45:08 -0700 | [diff] [blame] | 27 | #endif |
| 28 | |
Mike Reed | 01b2b83 | 2017-06-09 10:51:52 -0400 | [diff] [blame] | 29 | #ifdef SK_DEBUGx |
reed | 8a21c9f | 2016-03-08 18:50:00 -0800 | [diff] [blame] | 30 | SkShader* getShaderA() { return fShaderA.get(); } |
| 31 | SkShader* getShaderB() { return fShaderB.get(); } |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 32 | #endif |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 33 | |
Mike Reed | a6aaa30 | 2017-06-09 10:29:40 -0400 | [diff] [blame] | 34 | #ifdef SK_BUILD_FOR_ANDROID_FRAMEWORK |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 35 | bool asACompose(ComposeRec* rec) const override; |
Mike Reed | a6aaa30 | 2017-06-09 10:29:40 -0400 | [diff] [blame] | 36 | #endif |
commit-bot@chromium.org | 7959055 | 2014-05-13 18:14:45 +0000 | [diff] [blame] | 37 | |
commit-bot@chromium.org | 0f10f7b | 2014-03-13 18:02:17 +0000 | [diff] [blame] | 38 | SK_TO_STRING_OVERRIDE() |
djsollen@google.com | ba28d03 | 2012-03-26 17:57:35 +0000 | [diff] [blame] | 39 | SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkComposeShader) |
| 40 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 41 | protected: |
reed | cfb6bdf | 2016-03-29 11:32:50 -0700 | [diff] [blame] | 42 | SkComposeShader(SkReadBuffer&); |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 43 | void flatten(SkWriteBuffer&) const override; |
Mike Klein | 2814d91 | 2017-05-10 12:35:51 -0400 | [diff] [blame] | 44 | sk_sp<SkShader> onMakeColorSpace(SkColorSpaceXformer* xformer) const override; |
Mike Reed | 1d8c42e | 2017-08-29 14:58:19 -0400 | [diff] [blame] | 45 | bool onAppendStages(const StageRec&) const override; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 46 | |
Mike Reed | 3404207 | 2017-08-08 16:29:22 -0400 | [diff] [blame] | 47 | bool onIsRasterPipelineOnly(const SkMatrix&) const override { return true; } |
Florin Malita | 7d022e0 | 2017-05-15 15:06:39 -0400 | [diff] [blame] | 48 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 49 | private: |
Mike Reed | 01b2b83 | 2017-06-09 10:51:52 -0400 | [diff] [blame] | 50 | sk_sp<SkShader> fDst; |
| 51 | sk_sp<SkShader> fSrc; |
| 52 | const float fLerpT; |
| 53 | const SkBlendMode fMode; |
| 54 | |
| 55 | bool isJustMode() const { return fLerpT == 1; } |
| 56 | bool isJustLerp() const { return fMode == SkBlendMode::kSrc; } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 57 | |
Florin Malita | 4aed138 | 2017-05-25 10:38:07 -0400 | [diff] [blame] | 58 | typedef SkShaderBase INHERITED; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 59 | }; |
| 60 | |
| 61 | #endif |