PaintOptionsPriv.h

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/*
 * Copyright 2022 Google LLC
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
 
#ifndef skgpu_graphite_PaintOptionsPriv_DEFINED
#define skgpu_graphite_PaintOptionsPriv_DEFINED
 
#include "include/gpu/graphite/precompile/PaintOptions.h"
 
namespace skgpu::graphite {
 
class ShaderCodeDictionary;
 
/** Class that exposes methods in PaintOptions that are only intended for use internal to Skia.
    This class is purely a privileged window into PaintOptions. It should never have additional
    data members or virtual methods. */
class PaintOptionsPriv {
public:
    using ProcessCombination = PaintOptions::ProcessCombination;
 
    void addColorFilter(sk_sp<PrecompileColorFilter> cf);
 
    void setClipShaders(SkSpan<const sk_sp<PrecompileShader>> clipShaders) {
        fPaintOptions->setClipShaders(std::move(clipShaders));
    }
 
    int numCombinations() const {
        return fPaintOptions->numCombinations();
    }
 
    void buildCombinations(
            const KeyContext& keyContext,
            PipelineDataGatherer* gatherer,
            DrawTypeFlags drawTypes,
            bool withPrimitiveBlender,
            Coverage coverage,
            const ProcessCombination& processCombination) const {
        fPaintOptions->buildCombinations(
                keyContext, gatherer, drawTypes, withPrimitiveBlender, coverage, processCombination);
    }
 
private:
    friend class PaintOptions; // to construct/copy this type.
 
    explicit PaintOptionsPriv(PaintOptions* paintOptions) : fPaintOptions(paintOptions) {}
 
    PaintOptionsPriv& operator=(const PaintOptionsPriv&) = delete;
 
    // No taking addresses of this type.
    const PaintOptionsPriv* operator&() const;
    PaintOptionsPriv *operator&();
 
    PaintOptions* fPaintOptions;
};
 
inline PaintOptionsPriv PaintOptions::priv() { return PaintOptionsPriv(this); }
 
// NOLINTNEXTLINE(readability-const-return-type)
inline const PaintOptionsPriv PaintOptions::priv() const {
    return PaintOptionsPriv(const_cast<PaintOptions *>(this));
}
 
} // namespace skgpu::graphite
 
#endif // skgpu_graphite_PaintOptionsPriv_DEFINED