diff options
Diffstat (limited to 'intern/cycles/render/shader.cpp')
| -rw-r--r-- | intern/cycles/render/shader.cpp | 37 |
1 files changed, 25 insertions, 12 deletions
diff --git a/intern/cycles/render/shader.cpp b/intern/cycles/render/shader.cpp index d000cca5a45..70e1443be2c 100644 --- a/intern/cycles/render/shader.cpp +++ b/intern/cycles/render/shader.cpp @@ -221,6 +221,16 @@ void Shader::tag_update(Scene *scene) if(use_mis && has_surface_emission) scene->light_manager->need_update = true; + /* Special handle of background MIS light for now: for some reason it + * has use_mis set to false. We are quite close to release now, so + * better to be safe. + */ + if(this == scene->default_background && + scene->light_manager->has_background_light(scene)) + { + scene->light_manager->need_update = true; + } + /* quick detection of which kind of shaders we have to avoid loading * e.g. surface attributes when there is only a volume shader. this could * be more fine grained but it's better than nothing */ @@ -240,6 +250,10 @@ void Shader::tag_update(Scene *scene) attributes.clear(); foreach(ShaderNode *node, graph->nodes) node->attributes(this, &attributes); + + if(has_displacement && displacement_method == DISPLACE_BOTH) { + attributes.add(ATTR_STD_POSITION_UNDISPLACED); + } /* compare if the attributes changed, mesh manager will check * need_update_attributes, update the relevant meshes and clear it. */ @@ -312,14 +326,11 @@ uint ShaderManager::get_attribute_id(AttributeStandard std) return (uint)std; } -int ShaderManager::get_shader_id(Shader *shader, Mesh *mesh, bool smooth) +int ShaderManager::get_shader_id(Shader *shader, bool smooth) { /* get a shader id to pass to the kernel */ - int id = shader->id*2; - - /* index depends bump since this setting is not in the shader */ - if(mesh && shader->displacement_method != DISPLACE_TRUE) - id += 1; + int id = shader->id; + /* smooth flag */ if(smooth) id |= SHADER_SMOOTH_NORMAL; @@ -368,7 +379,7 @@ void ShaderManager::device_update_common(Device *device, if(scene->shaders.size() == 0) return; - uint shader_flag_size = scene->shaders.size()*4; + uint shader_flag_size = scene->shaders.size()*2; uint *shader_flag = dscene->shader_flag.resize(shader_flag_size); uint i = 0; bool has_volumes = false; @@ -406,15 +417,14 @@ void ShaderManager::device_update_common(Device *device, flag |= SD_VOLUME_CUBIC; if(shader->graph_bump) flag |= SD_HAS_BUMP; - - /* regular shader */ - shader_flag[i++] = flag; - shader_flag[i++] = shader->pass_id; + if(shader->displacement_method != DISPLACE_BUMP) + flag |= SD_HAS_DISPLACEMENT; /* shader with bump mapping */ - if(shader->graph_bump) + if(shader->displacement_method != DISPLACE_TRUE && shader->graph_bump) flag |= SD_HAS_BSSRDF_BUMP; + /* regular shader */ shader_flag[i++] = flag; shader_flag[i++] = shader->pass_id; @@ -551,6 +561,9 @@ void ShaderManager::get_requested_features(Scene *scene, ShaderNode *output_node = shader->graph->output(); if(output_node->input("Displacement")->link != NULL) { requested_features->nodes_features |= NODE_FEATURE_BUMP; + if(shader->displacement_method == DISPLACE_BOTH && requested_features->experimental) { + requested_features->nodes_features |= NODE_FEATURE_BUMP_STATE; + } } /* On top of volume nodes, also check if we need volume sampling because * e.g. an Emission node would slip through the NODE_FEATURE_VOLUME check */ |