diff options
author | OmarSquircleArt <omar.squircleart@gmail.com> | 2019-08-13 17:29:32 +0300 |
---|---|---|
committer | OmarSquircleArt <omar.squircleart@gmail.com> | 2019-08-13 17:38:56 +0300 |
commit | 71641ab56d0f0cb52c301b83ff499699029fa032 (patch) | |
tree | 18029c373c2ec777e8c151e888bc708aa2537988 /intern | |
parent | aef08fda3ade2d0223b77d4c9c0dd5e9fcabe7b2 (diff) |
Shading: Add Map Range node to Cycles and EEVEE.
This patch adds a new Map Range node that linearly remaps an input
value from a range to another. This node is similar to the compositor's
Map Range node.
Reviewers: brecht, JacquesLucke
Differential Revision: https://developer.blender.org/D5471
Diffstat (limited to 'intern')
-rw-r--r-- | intern/cycles/blender/blender_shader.cpp | 3 | ||||
-rw-r--r-- | intern/cycles/kernel/CMakeLists.txt | 1 | ||||
-rw-r--r-- | intern/cycles/kernel/shaders/CMakeLists.txt | 1 | ||||
-rw-r--r-- | intern/cycles/kernel/shaders/node_map_range.osl | 25 | ||||
-rw-r--r-- | intern/cycles/kernel/svm/svm.h | 4 | ||||
-rw-r--r-- | intern/cycles/kernel/svm/svm_map_range.h | 54 | ||||
-rw-r--r-- | intern/cycles/kernel/svm/svm_types.h | 1 | ||||
-rw-r--r-- | intern/cycles/render/nodes.cpp | 69 | ||||
-rw-r--r-- | intern/cycles/render/nodes.h | 11 |
9 files changed, 169 insertions, 0 deletions
diff --git a/intern/cycles/blender/blender_shader.cpp b/intern/cycles/blender/blender_shader.cpp index f952b3025f0..dc0563c3bb8 100644 --- a/intern/cycles/blender/blender_shader.cpp +++ b/intern/cycles/blender/blender_shader.cpp @@ -315,6 +315,9 @@ static ShaderNode *add_node(Scene *scene, else if (b_node.is_a(&RNA_ShaderNodeRGBToBW)) { node = new RGBToBWNode(); } + else if (b_node.is_a(&RNA_ShaderNodeMapRange)) { + node = new MapRangeNode(); + } else if (b_node.is_a(&RNA_ShaderNodeMath)) { BL::ShaderNodeMath b_math_node(b_node); MathNode *math = new MathNode(); diff --git a/intern/cycles/kernel/CMakeLists.txt b/intern/cycles/kernel/CMakeLists.txt index a8b5b077ece..2078b1a8f4e 100644 --- a/intern/cycles/kernel/CMakeLists.txt +++ b/intern/cycles/kernel/CMakeLists.txt @@ -198,6 +198,7 @@ set(SRC_SVM_HEADERS svm/svm_invert.h svm/svm_light_path.h svm/svm_magic.h + svm/svm_map_range.h svm/svm_mapping.h svm/svm_math.h svm/svm_math_util.h diff --git a/intern/cycles/kernel/shaders/CMakeLists.txt b/intern/cycles/kernel/shaders/CMakeLists.txt index b42b9b2fe64..2a84d89f9be 100644 --- a/intern/cycles/kernel/shaders/CMakeLists.txt +++ b/intern/cycles/kernel/shaders/CMakeLists.txt @@ -46,6 +46,7 @@ set(SRC_OSL node_light_falloff.osl node_light_path.osl node_magic_texture.osl + node_map_range.osl node_mapping.osl node_math.osl node_mix.osl diff --git a/intern/cycles/kernel/shaders/node_map_range.osl b/intern/cycles/kernel/shaders/node_map_range.osl new file mode 100644 index 00000000000..417d2ae50a8 --- /dev/null +++ b/intern/cycles/kernel/shaders/node_map_range.osl @@ -0,0 +1,25 @@ +/* + * Copyright 2011-2013 Blender Foundation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "stdosl.h" + +shader node_map_range(float Value = 1.0, float FromMin = 0.0, float FromMax = 1.0, + float ToMin = 0.0, float ToMax = 1.0, output float Result = 0.0) +{ + if (FromMax != FromMin) { + Result = ToMin + ((Value - FromMin) / (FromMax - FromMin)) * (ToMax - ToMin); + } +} diff --git a/intern/cycles/kernel/svm/svm.h b/intern/cycles/kernel/svm/svm.h index 4a386afa5de..e0c2c8b56dc 100644 --- a/intern/cycles/kernel/svm/svm.h +++ b/intern/cycles/kernel/svm/svm.h @@ -192,6 +192,7 @@ CCL_NAMESPACE_END #include "kernel/svm/svm_vector_transform.h" #include "kernel/svm/svm_voxel.h" #include "kernel/svm/svm_bump.h" +#include "kernel/svm/svm_map_range.h" #ifdef __SHADER_RAYTRACE__ # include "kernel/svm/svm_ao.h" @@ -486,6 +487,9 @@ ccl_device_noinline void svm_eval_nodes(KernelGlobals *kg, case NODE_BLACKBODY: svm_node_blackbody(kg, sd, stack, node.y, node.z); break; + case NODE_MAP_RANGE: + svm_node_map_range(kg, sd, stack, node.y, node.z, node.w, &offset); + break; # endif /* __EXTRA_NODES__ */ # if NODES_FEATURE(NODE_FEATURE_VOLUME) case NODE_TEX_VOXEL: diff --git a/intern/cycles/kernel/svm/svm_map_range.h b/intern/cycles/kernel/svm/svm_map_range.h new file mode 100644 index 00000000000..5d542e959d1 --- /dev/null +++ b/intern/cycles/kernel/svm/svm_map_range.h @@ -0,0 +1,54 @@ +/* + * Copyright 2011-2013 Blender Foundation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +CCL_NAMESPACE_BEGIN + +/* Map Range Node */ + +ccl_device void svm_node_map_range(KernelGlobals *kg, + ShaderData *sd, + float *stack, + uint value_stack_offset, + uint parameters_stack_offsets, + uint result_stack_offset, + int *offset) +{ + uint from_min_stack_offset, from_max_stack_offset, to_min_stack_offset, to_max_stack_offset; + decode_node_uchar4(parameters_stack_offsets, + &from_min_stack_offset, + &from_max_stack_offset, + &to_min_stack_offset, + &to_max_stack_offset); + + uint4 defaults = read_node(kg, offset); + + float value = stack_load_float(stack, value_stack_offset); + float from_min = stack_load_float_default(stack, from_min_stack_offset, defaults.x); + float from_max = stack_load_float_default(stack, from_max_stack_offset, defaults.y); + float to_min = stack_load_float_default(stack, to_min_stack_offset, defaults.z); + float to_max = stack_load_float_default(stack, to_max_stack_offset, defaults.w); + + float result; + if (from_max != from_min) { + result = to_min + ((value - from_min) / (from_max - from_min)) * (to_max - to_min); + } + else { + result = 0.0f; + } + stack_store_float(stack, result_stack_offset, result); +} + +CCL_NAMESPACE_END diff --git a/intern/cycles/kernel/svm/svm_types.h b/intern/cycles/kernel/svm/svm_types.h index ea92fd7ce59..82e7e94d438 100644 --- a/intern/cycles/kernel/svm/svm_types.h +++ b/intern/cycles/kernel/svm/svm_types.h @@ -138,6 +138,7 @@ typedef enum ShaderNodeType { NODE_VECTOR_DISPLACEMENT, NODE_PRINCIPLED_VOLUME, NODE_IES, + NODE_MAP_RANGE, } ShaderNodeType; typedef enum NodeAttributeType { diff --git a/intern/cycles/render/nodes.cpp b/intern/cycles/render/nodes.cpp index 8e7969cfbaf..0f054b42088 100644 --- a/intern/cycles/render/nodes.cpp +++ b/intern/cycles/render/nodes.cpp @@ -5259,6 +5259,75 @@ void OutputNode::compile(OSLCompiler &compiler) compiler.add(this, "node_output_displacement"); } +/* Map Range Node */ + +NODE_DEFINE(MapRangeNode) +{ + NodeType *type = NodeType::add("map_range", create, NodeType::SHADER); + + SOCKET_IN_FLOAT(value, "Value", 1.0f); + SOCKET_IN_FLOAT(from_min, "From Min", 0.0f); + SOCKET_IN_FLOAT(from_max, "From Max", 1.0f); + SOCKET_IN_FLOAT(to_min, "To Min", 0.0f); + SOCKET_IN_FLOAT(to_max, "To Max", 1.0f); + + SOCKET_OUT_FLOAT(result, "Result"); + + return type; +} + +MapRangeNode::MapRangeNode() : ShaderNode(node_type) +{ +} + +void MapRangeNode::constant_fold(const ConstantFolder &folder) +{ + if (folder.all_inputs_constant()) { + float result; + if (from_max != from_min) { + result = to_min + ((value - from_min) / (from_max - from_min)) * (to_max - to_min); + } + else { + result = 0.0f; + } + folder.make_constant(result); + } +} + +void MapRangeNode::compile(SVMCompiler &compiler) +{ + ShaderInput *value_in = input("Value"); + ShaderInput *from_min_in = input("From Min"); + ShaderInput *from_max_in = input("From Max"); + ShaderInput *to_min_in = input("To Min"); + ShaderInput *to_max_in = input("To Max"); + ShaderOutput *result_out = output("Result"); + + int value_stack_offset = compiler.stack_assign(value_in); + int from_min_stack_offset = compiler.stack_assign_if_linked(from_min_in); + int from_max_stack_offset = compiler.stack_assign_if_linked(from_max_in); + int to_min_stack_offset = compiler.stack_assign_if_linked(to_min_in); + int to_max_stack_offset = compiler.stack_assign_if_linked(to_max_in); + int result_stack_offset = compiler.stack_assign(result_out); + + compiler.add_node( + NODE_MAP_RANGE, + value_stack_offset, + compiler.encode_uchar4( + from_min_stack_offset, from_max_stack_offset, to_min_stack_offset, to_max_stack_offset), + result_stack_offset); + + compiler.add_node(__float_as_int(from_min), + __float_as_int(from_max), + __float_as_int(to_min), + __float_as_int(to_max)); +} + +void MapRangeNode::compile(OSLCompiler &compiler) +{ + compiler.add(this, "node_map_range"); +} + /* Math */ NODE_DEFINE(MathNode) diff --git a/intern/cycles/render/nodes.h b/intern/cycles/render/nodes.h index 6b21be88663..13c096a00c2 100644 --- a/intern/cycles/render/nodes.h +++ b/intern/cycles/render/nodes.h @@ -1228,6 +1228,17 @@ class BlackbodyNode : public ShaderNode { float temperature; }; +class MapRangeNode : public ShaderNode { + public: + SHADER_NODE_CLASS(MapRangeNode) + void constant_fold(const ConstantFolder &folder); + virtual int get_group() + { + return NODE_GROUP_LEVEL_3; + } + float value, from_min, from_max, to_min, to_max; +}; + class MathNode : public ShaderNode { public: SHADER_NODE_CLASS(MathNode) |