diff options
author | Alex Strand <astrand130> | 2020-09-09 12:36:57 +0300 |
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committer | Brecht Van Lommel <brecht@blender.org> | 2020-09-17 19:54:04 +0300 |
commit | b248ec97769fa654a3ee8bb2a643046b79e7c030 (patch) | |
tree | 57604691dd62e4b19b9df5d4109a8dc3f83bacb8 /source/blender/io/collada/collada_utils.cpp | |
parent | 65fd005312848178509b0a0b0f3febf9f777f529 (diff) |
Shaders: add emission strength input to Principled BSDF node
This impacts I/O add-ons. OBJ, FBX and Collada have been updated, glTF not yet.
Differential Revision: https://developer.blender.org/D4971
Diffstat (limited to 'source/blender/io/collada/collada_utils.cpp')
-rw-r--r-- | source/blender/io/collada/collada_utils.cpp | 26 |
1 files changed, 21 insertions, 5 deletions
diff --git a/source/blender/io/collada/collada_utils.cpp b/source/blender/io/collada/collada_utils.cpp index 2493b3a386b..2719578753b 100644 --- a/source/blender/io/collada/collada_utils.cpp +++ b/source/blender/io/collada/collada_utils.cpp @@ -1326,13 +1326,29 @@ COLLADASW::ColorOrTexture bc_get_base_color(Material *ma) COLLADASW::ColorOrTexture bc_get_emission(Material *ma) { - Color default_color = {0, 0, 0, 1}; + Color default_color = {0, 0, 0, 1}; /* default black */ bNode *shader = bc_get_master_shader(ma); - if (ma->use_nodes && shader) { - return bc_get_cot_from_shader(shader, "Emission", default_color); + if (!(ma->use_nodes && shader)) { + return bc_get_cot(default_color); + } + + double emission_strength = 0.0; + bc_get_float_from_shader(shader, emission_strength, "Emission Strength"); + if (emission_strength == 0.0) { + return bc_get_cot(default_color); } - return bc_get_cot(default_color); /* default black */ + COLLADASW::ColorOrTexture cot = bc_get_cot_from_shader(shader, "Emission", default_color); + + /* Multiply in emission strength. If using texture, emission strength is not + * supported. */ + COLLADASW::Color col = cot.getColor(); + cot.getColor().set(emission_strength * col.getRed(), + emission_strength * col.getGreen(), + emission_strength * col.getBlue(), + col.getAlpha()); + + return cot; } COLLADASW::ColorOrTexture bc_get_ambient(Material *ma) @@ -1393,7 +1409,7 @@ double bc_get_reflectivity(Material *ma) return reflectivity; } -double bc_get_float_from_shader(bNode *shader, double &val, std::string nodeid) +bool bc_get_float_from_shader(bNode *shader, double &val, std::string nodeid) { bNodeSocket *socket = nodeFindSocket(shader, SOCK_IN, nodeid.c_str()); if (socket) { |