| 1 | /* |
|---|---|
| 2 | * Copyright 2023 Google LLC |
| 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 | #ifndef SkRuntimeShader_DEFINED |
| 8 | #define SkRuntimeShader_DEFINED |
| 9 | |
| 10 | #include "include/core/SkData.h" |
| 11 | #include "include/core/SkFlattenable.h" |
| 12 | #include "include/core/SkRefCnt.h" |
| 13 | #include "include/core/SkSpan.h" |
| 14 | #include "include/effects/SkRuntimeEffect.h" |
| 15 | #include "include/private/base/SkDebug.h" |
| 16 | #include "src/core/SkRuntimeEffectPriv.h" |
| 17 | #include "src/shaders/SkShaderBase.h" |
| 18 | #include "src/sksl/tracing/SkSLDebugTracePriv.h" |
| 19 | |
| 20 | #include <vector> |
| 21 | |
| 22 | class SkColorSpace; |
| 23 | class SkReadBuffer; |
| 24 | class SkWriteBuffer; |
| 25 | struct SkIPoint; |
| 26 | struct SkStageRec; |
| 27 | |
| 28 | using UniformsCallback = SkRuntimeEffectPriv::UniformsCallback; |
| 29 | |
| 30 | class SkRuntimeShader : public SkShaderBase { |
| 31 | public: |
| 32 | SkRuntimeShader(sk_sp<SkRuntimeEffect> effect, |
| 33 | sk_sp<SkSL::DebugTracePriv> debugTrace, |
| 34 | sk_sp<const SkData> uniforms, |
| 35 | SkSpan<const SkRuntimeEffect::ChildPtr> children); |
| 36 | |
| 37 | SkRuntimeShader(sk_sp<SkRuntimeEffect> effect, |
| 38 | sk_sp<SkSL::DebugTracePriv> debugTrace, |
| 39 | UniformsCallback uniformsCallback, |
| 40 | SkSpan<const SkRuntimeEffect::ChildPtr> children); |
| 41 | |
| 42 | SkRuntimeEffect::TracedShader makeTracedClone(const SkIPoint& coord); |
| 43 | |
| 44 | bool isOpaque() const override { return fEffect->alwaysOpaque(); } |
| 45 | |
| 46 | ShaderType type() const override { return ShaderType::kRuntime; } |
| 47 | |
| 48 | bool appendStages(const SkStageRec& rec, const SkShaders::MatrixRec& mRec) const override; |
| 49 | |
| 50 | void flatten(SkWriteBuffer& buffer) const override; |
| 51 | |
| 52 | SkRuntimeEffect* asRuntimeEffect() const override { return fEffect.get(); } |
| 53 | |
| 54 | sk_sp<SkRuntimeEffect> effect() const { return fEffect; } |
| 55 | SkSpan<const SkRuntimeEffect::ChildPtr> children() const { return fChildren; } |
| 56 | |
| 57 | sk_sp<const SkData> uniformData(const SkColorSpace* dstCS) const; |
| 58 | |
| 59 | SK_FLATTENABLE_HOOKS(SkRuntimeShader) |
| 60 | |
| 61 | private: |
| 62 | enum Flags { |
| 63 | kHasLegacyLocalMatrix_Flag = 1 << 1, |
| 64 | }; |
| 65 | |
| 66 | sk_sp<SkRuntimeEffect> fEffect; |
| 67 | sk_sp<SkSL::DebugTracePriv> fDebugTrace; |
| 68 | sk_sp<const SkData> fUniformData; |
| 69 | UniformsCallback fUniformsCallback; |
| 70 | std::vector<SkRuntimeEffect::ChildPtr> fChildren; |
| 71 | }; |
| 72 | |
| 73 | #endif |
| 74 |