diff options
Diffstat (limited to 'intern/cycles/render/shader.cpp')
| -rw-r--r-- | intern/cycles/render/shader.cpp | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/intern/cycles/render/shader.cpp b/intern/cycles/render/shader.cpp index ac605305b94..d6c2d7502f2 100644 --- a/intern/cycles/render/shader.cpp +++ b/intern/cycles/render/shader.cpp @@ -30,6 +30,7 @@ #include "render/tables.h" #include "util/util_foreach.h" +#include "util/util_murmurhash.h" #ifdef WITH_OCIO # include <OpenColorIO/OpenColorIO.h> @@ -387,7 +388,7 @@ ShaderManager *ShaderManager::create(Scene *scene, int shadingsystem) { ShaderManager *manager; - (void)shadingsystem; /* Ignored when built without OSL. */ + (void) shadingsystem; /* Ignored when built without OSL. */ #ifdef WITH_OSL if(shadingsystem == SHADINGSYSTEM_OSL) { @@ -523,12 +524,15 @@ void ShaderManager::device_update_common(Device *device, if(shader->is_constant_emission(&constant_emission)) flag |= SD_HAS_CONSTANT_EMISSION; + uint32_t cryptomatte_id = util_murmur_hash3(shader->name.c_str(), shader->name.length(), 0); + /* regular shader */ kshader->flags = flag; kshader->pass_id = shader->pass_id; kshader->constant_emission[0] = constant_emission.x; kshader->constant_emission[1] = constant_emission.y; kshader->constant_emission[2] = constant_emission.z; + kshader->cryptomatte_id = util_hash_to_float(cryptomatte_id); kshader++; has_transparent_shadow |= (flag & SD_HAS_TRANSPARENT_SHADOW) != 0; @@ -695,4 +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 |