diff options
| author | Lukas Stockner <lukas.stockner@freenet.de> | 2018-11-07 06:05:47 +0300 |
|---|---|---|
| committer | Lukas Stockner <lukas.stockner@freenet.de> | 2018-11-08 03:07:54 +0300 |
| commit | 47c77cd89c37595c5deeb00a9235d88c460ce356 (patch) | |
| tree | 6cd5402d099119ea6ac43a887d5a5903da08dcd8 /intern/cycles/render/shader.cpp | |
| parent | 5987c4bc579d865e96ccc6ee43789981fd4f106a (diff) | |
Cycles: Write Cryptomatte metadata according to the specification
Reviewers: brecht, sergey, swerner
Subscribers: creamsurfer, Tanguy, Noss, SteffenD
Differential Revision: https://developer.blender.org/D3862
Diffstat (limited to 'intern/cycles/render/shader.cpp')
| -rw-r--r-- | intern/cycles/render/shader.cpp | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/intern/cycles/render/shader.cpp b/intern/cycles/render/shader.cpp index 8d0cec7b14e..a827f611583 100644 --- a/intern/cycles/render/shader.cpp +++ b/intern/cycles/render/shader.cpp @@ -699,4 +699,20 @@ float ShaderManager::linear_rgb_to_gray(float3 c) return dot(c, rgb_to_y); } +string ShaderManager::get_cryptomatte_materials(Scene *scene) +{ + string manifest = "{"; + unordered_set<ustring, ustringHash> materials; + foreach(Shader *shader, scene->shaders) { + if(materials.count(shader->name)) { + continue; + } + materials.insert(shader->name); + uint32_t cryptomatte_id = util_murmur_hash3(shader->name.c_str(), shader->name.length(), 0); + manifest += string_printf("\"%s\":\"%08x\",", shader->name.c_str(), cryptomatte_id); + } + manifest[manifest.size()-1] = '}'; + return manifest; +} + CCL_NAMESPACE_END |