101     , fCtx(ctx ? *ctx : RenderContext())  in ScopedRenderContext()
113     fCtx.fOpacity *= opacity;  in modulateOpacity()
119     fCtx.fColorFilter = SkColorFilters::Compose(std::move(fCtx.fColorFilter), std::move(cf));  in modulateColorFilter()
126     if (!fCtx.fShader) {  in modulateShader()
127         fCtx.fShader = std::move(sh);  in modulateShader()
128         fCtx.fShaderCTM = shader_ctm;  in modulateShader()
136     if (fCtx.fMaskFilter) {  in modulateMaskFilter()
144         if (fCtx.fMaskCTM.invert(&invMaskCTM)) {  in modulateMaskFilter()
146             fCtx.fMaskFilter = SkMaskFilter::MakeCompose(std::move(fCtx.fMaskFilter),  in modulateMaskFilter()
150         fCtx.fMaskFilter = std::move(mf);  in modulateMaskFilter()
151         fCtx.fMaskCTM    = ctm;  in modulateMaskFilter()
159     fCtx.fBlendMode = mode;  in modulateBlendMode()
166     if (isolation && fCtx.requiresIsolation()) {  in setIsolation()
168         fCtx.modulatePaint(ctm, &layer_paint);  in setIsolation()
172         fCtx.fColorFilter = nullptr;  in setIsolation()
173         fCtx.fMaskFilter  = nullptr;  in setIsolation()
174         fCtx.fOpacity     = 1;  in setIsolation()
175         fCtx.fBlendMode   = SkBlendMode::kSrcOver;  in setIsolation()
185     fCtx.modulatePaint(ctm, &layer_paint);  in setFilterIsolation()
190     fCtx = RenderContext();  in setFilterIsolation()