diff options
Diffstat (limited to 'source/blender/nodes/shader/nodes/node_shader_tex_noise.cc')
| -rw-r--r-- | source/blender/nodes/shader/nodes/node_shader_tex_noise.cc | 159 |
1 files changed, 158 insertions, 1 deletions
diff --git a/source/blender/nodes/shader/nodes/node_shader_tex_noise.cc b/source/blender/nodes/shader/nodes/node_shader_tex_noise.cc index de8e0916f4d..c0deb232b2d 100644 --- a/source/blender/nodes/shader/nodes/node_shader_tex_noise.cc +++ b/source/blender/nodes/shader/nodes/node_shader_tex_noise.cc @@ -19,6 +19,8 @@ #include "../node_shader_util.h" +#include "BLI_noise.hh" + /* **************** NOISE ******************** */ static bNodeSocketTemplate sh_node_tex_noise_in[] = { @@ -90,18 +92,173 @@ static void node_shader_update_tex_noise(bNodeTree *UNUSED(ntree), bNode *node) nodeSetSocketAvailability(sockW, tex->dimensions == 1 || tex->dimensions == 4); } +namespace blender::nodes { + +class NoiseFunction : public fn::MultiFunction { + private: + int dimensions_; + + public: + NoiseFunction(int dimensions) : dimensions_(dimensions) + { + BLI_assert(dimensions >= 1 && dimensions <= 4); + static std::array<fn::MFSignature, 4> signatures{ + create_signature(1), + create_signature(2), + create_signature(3), + create_signature(4), + }; + this->set_signature(&signatures[dimensions - 1]); + } + + static fn::MFSignature create_signature(int dimensions) + { + fn::MFSignatureBuilder signature{"Noise"}; + + if (ELEM(dimensions, 2, 3, 4)) { + signature.single_input<float3>("Vector"); + } + if (ELEM(dimensions, 1, 4)) { + signature.single_input<float>("W"); + } + + signature.single_input<float>("Scale"); + signature.single_input<float>("Detail"); + signature.single_input<float>("Roughness"); + signature.single_input<float>("Distortion"); + + signature.single_output<float>("Fac"); + signature.single_output<ColorGeometry4f>("Color"); + + return signature.build(); + } + + void call(IndexMask mask, fn::MFParams params, fn::MFContext UNUSED(context)) const override + { + int param = ELEM(dimensions_, 2, 3, 4) + ELEM(dimensions_, 1, 4); + const VArray<float> &scale = params.readonly_single_input<float>(param++, "Scale"); + const VArray<float> &detail = params.readonly_single_input<float>(param++, "Detail"); + const VArray<float> &roughness = params.readonly_single_input<float>(param++, "Roughness"); + const VArray<float> &distortion = params.readonly_single_input<float>(param++, "Distortion"); + + MutableSpan<float> r_factor = params.uninitialized_single_output_if_required<float>(param++, + "Fac"); + MutableSpan<ColorGeometry4f> r_color = + params.uninitialized_single_output_if_required<ColorGeometry4f>(param++, "Color"); + + const bool compute_factor = !r_factor.is_empty(); + const bool compute_color = !r_color.is_empty(); + + switch (dimensions_) { + case 1: { + const VArray<float> &w = params.readonly_single_input<float>(0, "W"); + if (compute_factor) { + for (int64_t i : mask) { + const float position = w[i] * scale[i]; + r_factor[i] = noise::perlin_fractal_distorted( + position, detail[i], roughness[i], distortion[i]); + } + } + if (compute_color) { + for (int64_t i : mask) { + const float position = w[i] * scale[i]; + const float3 c = noise::perlin_float3_fractal_distorted( + position, detail[i], roughness[i], distortion[i]); + r_color[i] = ColorGeometry4f(c[0], c[1], c[2], 1.0f); + } + } + break; + } + case 2: { + const VArray<float3> &vector = params.readonly_single_input<float3>(0, "Vector"); + if (compute_factor) { + for (int64_t i : mask) { + const float2 position = vector[i] * scale[i]; + r_factor[i] = noise::perlin_fractal_distorted( + position, detail[i], roughness[i], distortion[i]); + } + } + if (compute_color) { + for (int64_t i : mask) { + const float2 position = vector[i] * scale[i]; + const float3 c = noise::perlin_float3_fractal_distorted( + position, detail[i], roughness[i], distortion[i]); + r_color[i] = ColorGeometry4f(c[0], c[1], c[2], 1.0f); + } + } + break; + } + case 3: { + const VArray<float3> &vector = params.readonly_single_input<float3>(0, "Vector"); + if (compute_factor) { + for (int64_t i : mask) { + const float3 position = vector[i] * scale[i]; + r_factor[i] = noise::perlin_fractal_distorted( + position, detail[i], roughness[i], distortion[i]); + } + } + if (compute_color) { + for (int64_t i : mask) { + const float3 position = vector[i] * scale[i]; + const float3 c = noise::perlin_float3_fractal_distorted( + position, detail[i], roughness[i], distortion[i]); + r_color[i] = ColorGeometry4f(c[0], c[1], c[2], 1.0f); + } + } + break; + } + case 4: { + const VArray<float3> &vector = params.readonly_single_input<float3>(0, "Vector"); + const VArray<float> &w = params.readonly_single_input<float>(1, "W"); + if (compute_factor) { + for (int64_t i : mask) { + const float3 position_vector = vector[i] * scale[i]; + const float position_w = w[i] * scale[i]; + const float4 position{ + position_vector[0], position_vector[1], position_vector[2], position_w}; + r_factor[i] = noise::perlin_fractal_distorted( + position, detail[i], roughness[i], distortion[i]); + } + } + if (compute_color) { + for (int64_t i : mask) { + const float3 position_vector = vector[i] * scale[i]; + const float position_w = w[i] * scale[i]; + const float4 position{ + position_vector[0], position_vector[1], position_vector[2], position_w}; + const float3 c = noise::perlin_float3_fractal_distorted( + position, detail[i], roughness[i], distortion[i]); + r_color[i] = ColorGeometry4f(c[0], c[1], c[2], 1.0f); + } + } + break; + } + } + } +}; + +static void sh_node_noise_build_multi_function(blender::nodes::NodeMultiFunctionBuilder &builder) +{ + bNode &node = builder.node(); + NodeTexNoise *tex = (NodeTexNoise *)node.storage; + builder.construct_and_set_matching_fn<NoiseFunction>(tex->dimensions); +} + +} // namespace blender::nodes + /* node type definition */ void register_node_type_sh_tex_noise(void) { static bNodeType ntype; - sh_node_type_base(&ntype, SH_NODE_TEX_NOISE, "Noise Texture", NODE_CLASS_TEXTURE, 0); + sh_fn_node_type_base(&ntype, SH_NODE_TEX_NOISE, "Noise Texture", NODE_CLASS_TEXTURE, 0); node_type_socket_templates(&ntype, sh_node_tex_noise_in, sh_node_tex_noise_out); node_type_init(&ntype, node_shader_init_tex_noise); node_type_storage( &ntype, "NodeTexNoise", node_free_standard_storage, node_copy_standard_storage); node_type_gpu(&ntype, node_shader_gpu_tex_noise); node_type_update(&ntype, node_shader_update_tex_noise); + ntype.build_multi_function = blender::nodes::sh_node_noise_build_multi_function; nodeRegisterType(&ntype); } |