diff options
Diffstat (limited to 'intern/cycles/blender/shader.cpp')
| -rw-r--r-- | intern/cycles/blender/shader.cpp | 115 |
1 files changed, 110 insertions, 5 deletions
diff --git a/intern/cycles/blender/shader.cpp b/intern/cycles/blender/shader.cpp index 9505f4ba58f..dbc49df7f22 100644 --- a/intern/cycles/blender/shader.cpp +++ b/intern/cycles/blender/shader.cpp @@ -22,6 +22,8 @@ #include "util/string.h" #include "util/task.h" +#include "BKE_duplilist.h" + CCL_NAMESPACE_BEGIN typedef map<void *, ShaderInput *> PtrInputMap; @@ -103,6 +105,7 @@ static ImageAlphaType get_image_alpha_type(BL::Image &b_image) static const string_view object_attr_prefix("\x01object:"); static const string_view instancer_attr_prefix("\x01instancer:"); +static const string_view view_layer_attr_prefix("\x01layer:"); static ustring blender_attribute_name_add_type(const string &name, BlenderAttributeType type) { @@ -111,6 +114,8 @@ static ustring blender_attribute_name_add_type(const string &name, BlenderAttrib return ustring::concat(object_attr_prefix, name); case BL::ShaderNodeAttribute::attribute_type_INSTANCER: return ustring::concat(instancer_attr_prefix, name); + case BL::ShaderNodeAttribute::attribute_type_VIEW_LAYER: + return ustring::concat(view_layer_attr_prefix, name); default: return ustring(name); } @@ -130,6 +135,11 @@ BlenderAttributeType blender_attribute_name_split_type(ustring name, string *r_r return BL::ShaderNodeAttribute::attribute_type_INSTANCER; } + if (sname.substr(0, view_layer_attr_prefix.size()) == view_layer_attr_prefix) { + *r_real_name = sname.substr(view_layer_attr_prefix.size()); + return BL::ShaderNodeAttribute::attribute_type_VIEW_LAYER; + } + return BL::ShaderNodeAttribute::attribute_type_GEOMETRY; } @@ -205,7 +215,9 @@ static void set_default_value(ShaderInput *input, } case SocketType::INT: { if (b_sock.type() == BL::NodeSocket::type_BOOLEAN) { - node->set(socket, get_boolean(b_sock.ptr, "default_value")); + /* Make sure to call the int overload of set() since this is an integer socket as far as + * Cycles is concerned. */ + node->set(socket, get_boolean(b_sock.ptr, "default_value") ? 1 : 0); } else { node->set(socket, get_int(b_sock.ptr, "default_value")); @@ -1420,6 +1432,89 @@ static void add_nodes(Scene *scene, empty_proxy_map); } +/* Look up and constant fold all references to View Layer attributes. */ +void BlenderSync::resolve_view_layer_attributes(Shader *shader, + ShaderGraph *graph, + BL::Depsgraph &b_depsgraph) +{ + bool updated = false; + + foreach (ShaderNode *node, graph->nodes) { + if (node->is_a(AttributeNode::node_type)) { + AttributeNode *attr_node = static_cast<AttributeNode *>(node); + + std::string real_name; + BlenderAttributeType type = blender_attribute_name_split_type(attr_node->get_attribute(), + &real_name); + + if (type == BL::ShaderNodeAttribute::attribute_type_VIEW_LAYER) { + /* Look up the value. */ + BL::ViewLayer b_layer = b_depsgraph.view_layer_eval(); + BL::Scene b_scene = b_depsgraph.scene_eval(); + float4 value; + + BKE_view_layer_find_rgba_attribute((::Scene *)b_scene.ptr.data, + (::ViewLayer *)b_layer.ptr.data, + real_name.c_str(), + &value.x); + + /* Replace all outgoing links, using appropriate output types. */ + float val_avg = (value.x + value.y + value.z) / 3.0f; + + foreach (ShaderOutput *output, node->outputs) { + float val_float; + float3 val_float3; + + if (output->type() == SocketType::FLOAT) { + val_float = (output->name() == "Alpha") ? value.w : val_avg; + val_float3 = make_float3(val_float); + } + else { + val_float = val_avg; + val_float3 = float4_to_float3(value); + } + + foreach (ShaderInput *sock, output->links) { + if (sock->type() == SocketType::FLOAT) { + sock->set(val_float); + } + else if (SocketType::is_float3(sock->type())) { + sock->set(val_float3); + } + + sock->constant_folded_in = true; + } + + graph->disconnect(output); + } + + /* Clear the attribute name to avoid further attempts to look up. */ + attr_node->set_attribute(ustring()); + updated = true; + } + } + } + + if (updated) { + shader_map.set_flag(shader, SHADER_WITH_LAYER_ATTRS); + } + else { + shader_map.clear_flag(shader, SHADER_WITH_LAYER_ATTRS); + } +} + +bool BlenderSync::scene_attr_needs_recalc(Shader *shader, BL::Depsgraph &b_depsgraph) +{ + if (shader && shader_map.test_flag(shader, SHADER_WITH_LAYER_ATTRS)) { + BL::Scene scene = b_depsgraph.scene_eval(); + + return shader_map.check_recalc(scene) || shader_map.check_recalc(scene.world()) || + shader_map.check_recalc(scene.camera()); + } + + return false; +} + /* Sync Materials */ void BlenderSync::sync_materials(BL::Depsgraph &b_depsgraph, bool update_all) @@ -1438,7 +1533,8 @@ void BlenderSync::sync_materials(BL::Depsgraph &b_depsgraph, bool update_all) Shader *shader; /* test if we need to sync */ - if (shader_map.add_or_update(&shader, b_mat) || update_all) { + if (shader_map.add_or_update(&shader, b_mat) || update_all || + scene_attr_needs_recalc(shader, b_depsgraph)) { ShaderGraph *graph = new ShaderGraph(); shader->name = b_mat.name().c_str(); @@ -1459,6 +1555,8 @@ void BlenderSync::sync_materials(BL::Depsgraph &b_depsgraph, bool update_all) graph->connect(diffuse->output("BSDF"), out->input("Surface")); } + resolve_view_layer_attributes(shader, graph, b_depsgraph); + /* settings */ PointerRNA cmat = RNA_pointer_get(&b_mat.ptr, "cycles"); shader->set_use_mis(get_boolean(cmat, "sample_as_light")); @@ -1515,9 +1613,11 @@ void BlenderSync::sync_world(BL::Depsgraph &b_depsgraph, BL::SpaceView3D &b_v3d, BlenderViewportParameters new_viewport_parameters(b_v3d, use_developer_ui); + Shader *shader = scene->default_background; + if (world_recalc || update_all || b_world.ptr.data != world_map || - viewport_parameters.shader_modified(new_viewport_parameters)) { - Shader *shader = scene->default_background; + viewport_parameters.shader_modified(new_viewport_parameters) || + scene_attr_needs_recalc(shader, b_depsgraph)) { ShaderGraph *graph = new ShaderGraph(); /* create nodes */ @@ -1615,6 +1715,8 @@ void BlenderSync::sync_world(BL::Depsgraph &b_depsgraph, BL::SpaceView3D &b_v3d, background->set_visibility(visibility); } + resolve_view_layer_attributes(shader, graph, b_depsgraph); + shader->set_graph(graph); shader->tag_update(scene); } @@ -1681,7 +1783,8 @@ void BlenderSync::sync_lights(BL::Depsgraph &b_depsgraph, bool update_all) Shader *shader; /* test if we need to sync */ - if (shader_map.add_or_update(&shader, b_light) || update_all) { + if (shader_map.add_or_update(&shader, b_light) || update_all || + scene_attr_needs_recalc(shader, b_depsgraph)) { ShaderGraph *graph = new ShaderGraph(); /* create nodes */ @@ -1702,6 +1805,8 @@ void BlenderSync::sync_lights(BL::Depsgraph &b_depsgraph, bool update_all) graph->connect(emission->output("Emission"), out->input("Surface")); } + resolve_view_layer_attributes(shader, graph, b_depsgraph); + shader->set_graph(graph); shader->tag_update(scene); } |