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Differential D10978 Diff 36325 source/blender/blenkernel/BKE_attribute_math.hh

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source/blender/blenkernel/BKE_attribute_math.hh

Show All 40 Lines case CD_PROP_FLOAT3:
break; break;
case CD_PROP_INT32: case CD_PROP_INT32:
func(int()); func(int());
break; break;
case CD_PROP_BOOL: case CD_PROP_BOOL:
func(bool()); func(bool());
break; break;
case CD_PROP_COLOR: case CD_PROP_COLOR:
func(Color4f()); func(ColorGeometry4f());
break; break;
default: default:
BLI_assert_unreachable(); BLI_assert_unreachable();
break; break;
} }
} }
/* -------------------------------------------------------------------- */ /* -------------------------------------------------------------------- */
Show All 28 Lines
template<> template<>
inline float3 mix3(const float3 &weights, const float3 &v0, const float3 &v1, const float3 &v2) inline float3 mix3(const float3 &weights, const float3 &v0, const float3 &v1, const float3 &v2)
{ {
return weights.x * v0 + weights.y * v1 + weights.z * v2; return weights.x * v0 + weights.y * v1 + weights.z * v2;
} }
template<> template<>
inline Color4f mix3(const float3 &weights, const Color4f &v0, const Color4f &v1, const Color4f &v2) inline ColorGeometry4f mix3(const float3 &weights,
const ColorGeometry4f &v0,
const ColorGeometry4f &v1,
const ColorGeometry4f &v2)
{ {
Color4f result; ColorGeometry4f result;
interp_v4_v4v4v4(result, v0, v1, v2, weights); interp_v4_v4v4v4(result, v0, v1, v2, weights);
return result; return result;
} }
/** \} */ /** \} */
/* -------------------------------------------------------------------- */ /* -------------------------------------------------------------------- */
/** \name Mix a dynamic amount of values with weights for many elements. /** \name Mix a dynamic amount of values with weights for many elements.
▲ Show 20 Lines • Show All 88 Lines • ▼ Show 20 Lines for (const int64_t i : buffer_.index_range()) {
} }
else { else {
buffer_[i] = default_value_; buffer_[i] = default_value_;
} }
} }
} }
}; };
class Color4fMixer { class ColorGeometryMixer {
private: private:
MutableSpan<Color4f> buffer_; MutableSpan<ColorGeometry4f> buffer_;
Color4f default_color_; ColorGeometry4f default_color_;
Array<float> total_weights_; Array<float> total_weights_;
public: public:
Color4fMixer(MutableSpan<Color4f> buffer, Color4f default_color = {0, 0, 0, 1}); ColorGeometryMixer(MutableSpan<ColorGeometry4f> buffer,
void mix_in(const int64_t index, const Color4f &color, const float weight = 1.0f); ColorGeometry4f default_color = ColorGeometry4f(0.0f, 0.0f, 0.0f, 1.0f));
void mix_in(const int64_t index, const ColorGeometry4f &color, const float weight = 1.0f);
void finalize(); void finalize();
}; };
template<typename T> struct DefaultMixerStruct { template<typename T> struct DefaultMixerStruct {
/* Use void by default. This can be check for in `if constexpr` statements. */ /* Use void by default. This can be check for in `if constexpr` statements. */
using type = void; using type = void;
}; };
template<> struct DefaultMixerStruct<float> { template<> struct DefaultMixerStruct<float> {
using type = SimpleMixer<float>; using type = SimpleMixer<float>;
}; };
template<> struct DefaultMixerStruct<float2> { template<> struct DefaultMixerStruct<float2> {
using type = SimpleMixer<float2>; using type = SimpleMixer<float2>;
}; };
template<> struct DefaultMixerStruct<float3> { template<> struct DefaultMixerStruct<float3> {
using type = SimpleMixer<float3>; using type = SimpleMixer<float3>;
}; };
template<> struct DefaultMixerStruct<Color4f> { template<> struct DefaultMixerStruct<ColorGeometry4f> {
/* Use a special mixer for colors. Color4f can't be added/multiplied, because this is not /* Use a special mixer for colors. ColorGeometry4f can't be added/multiplied, because this is not
* something one should usually do with colors. */ * something one should usually do with colors. */
using type = Color4fMixer; using type = ColorGeometryMixer;
}; };
template<> struct DefaultMixerStruct<int> { template<> struct DefaultMixerStruct<int> {
static int double_to_int(const double &value) static int double_to_int(const double &value)
{ {
return static_cast<int>(value); return static_cast<int>(value);
} }
/* Store interpolated ints in a double temporarily, so that weights are handled correctly. It /* Store interpolated ints in a double temporarily, so that weights are handled correctly. It
* uses double instead of float so that it is accurate for all 32 bit integers. */ * uses double instead of float so that it is accurate for all 32 bit integers. */
Show All 19 Lines