Add maxSampleRadius to single-child C API

Pass sampleRadius through to C++ RuntimeShader single-child path
instead of defaulting to 0.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: mattleibow

include/c/sk_runtimeeffect.h

@@ -19,7 +19,7 @@ SK_C_API void sk_runtimeeffect_unref(sk_runtimeeffect_t* effect);
 SK_C_API sk_shader_t* sk_runtimeeffect_make_shader(sk_runtimeeffect_t* effect, sk_data_t* uniforms, sk_flattenable_t** children, size_t childCount, const sk_matrix_t* localMatrix);
 SK_C_API sk_colorfilter_t* sk_runtimeeffect_make_color_filter(sk_runtimeeffect_t* effect, sk_data_t* uniforms, sk_flattenable_t** children, size_t childCount);
 SK_C_API sk_blender_t* sk_runtimeeffect_make_blender(sk_runtimeeffect_t* effect, sk_data_t* uniforms, sk_flattenable_t** children, size_t childCount);
-SK_C_API sk_imagefilter_t* sk_runtimeeffect_make_image_filter(sk_runtimeeffect_t* effect, sk_data_t* uniforms, sk_flattenable_t** children, size_t childCount, const char* childShaderName, const sk_imagefilter_t* input);
+SK_C_API sk_imagefilter_t* sk_runtimeeffect_make_image_filter(sk_runtimeeffect_t* effect, sk_data_t* uniforms, sk_flattenable_t** children, size_t childCount, float maxSampleRadius, const char* childShaderName, const sk_imagefilter_t* input);
 SK_C_API sk_imagefilter_t* sk_runtimeeffect_make_image_filter_with_children(sk_runtimeeffect_t* effect, sk_data_t* uniforms, sk_flattenable_t** children, size_t childCount, float maxSampleRadius, const char** childShaderNames, const sk_imagefilter_t** inputs, int inputCount);
 SK_C_API size_t sk_runtimeeffect_get_uniform_byte_size(const sk_runtimeeffect_t* effect);
 

src/c/sk_runtimeeffect.cpp

@@ -133,7 +133,7 @@ void sk_runtimeeffect_get_child_from_name(const sk_runtimeeffect_t* effect, cons
     *cchild = *ToRuntimeEffectChild(AsRuntimeEffect(effect)->findChild(std::string_view(name, len)));
 }
 
-sk_imagefilter_t* sk_runtimeeffect_make_image_filter(sk_runtimeeffect_t* effect, sk_data_t* uniforms, sk_flattenable_t** children, size_t childCount, const char* childShaderName, const sk_imagefilter_t* input) {
+sk_imagefilter_t* sk_runtimeeffect_make_image_filter(sk_runtimeeffect_t* effect, sk_data_t* uniforms, sk_flattenable_t** children, size_t childCount, float maxSampleRadius, const char* childShaderName, const sk_imagefilter_t* input) {
     SkRuntimeShaderBuilder builder(sk_ref_sp(AsRuntimeEffect(effect)), sk_ref_sp(AsData(uniforms)));
 
     auto effectChildren = AsRuntimeEffect(effect)->children();
@@ -142,7 +142,7 @@ sk_imagefilter_t* sk_runtimeeffect_make_image_filter(sk_runtimeeffect_t* effect,
     }
 
     std::string_view name = childShaderName ? std::string_view(childShaderName) : std::string_view();
-    return ToImageFilter(SkImageFilters::RuntimeShader(builder, name, sk_ref_sp(AsImageFilter(input))).release());
+    return ToImageFilter(SkImageFilters::RuntimeShader(builder, maxSampleRadius, name, sk_ref_sp(AsImageFilter(input))).release());
 }
 
 sk_imagefilter_t* sk_runtimeeffect_make_image_filter_with_children(sk_runtimeeffect_t* effect, sk_data_t* uniforms, sk_flattenable_t** children, size_t childCount, float maxSampleRadius, const char** childShaderNames, const sk_imagefilter_t** inputs, int inputCount) {