Differential D16083 Diff 56395 source/blender/draw/intern/draw_resource.cc

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source/blender/draw/intern/draw_resource.cc

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	#include "draw_manager.hh"			#include "draw_manager.hh"
	#include "draw_shader_shared.h"			#include "draw_shader_shared.h"

	/* -------------------------------------------------------------------- */			/* -------------------------------------------------------------------- */
	/** \name ObjectAttributes			/** \name ObjectAttributes
	* \{ */			* \{ */

	/**			/**
	* Extract object attribute from RNA property.
	* Returns true if the attribute was correctly extracted.
	* This function mirrors lookup_property in cycles/blender/blender_object.cpp
	*/
	bool ObjectAttribute::id_property_lookup(ID id, const char name)
	{
	PointerRNA ptr, id_ptr;
	PropertyRNA *prop;

	if (id == nullptr) {
	return false;
	}

	RNA_id_pointer_create(id, &id_ptr);

	if (!RNA_path_resolve(&id_ptr, name, &ptr, &prop)) {
	return false;
	}

	if (prop == nullptr) {
	return false;
	}

	PropertyType type = RNA_property_type(prop);
	int array_len = RNA_property_array_length(&ptr, prop);

	if (array_len == 0) {
	float value;

	if (type == PROP_FLOAT) {
	value = RNA_property_float_get(&ptr, prop);
	}
	else if (type == PROP_INT) {
	value = RNA_property_int_get(&ptr, prop);
	}
	else {
	return false;
	}

	reinterpret_cast<float4 >(&data_x) = float4(value, value, value, 1.0f);
	return true;
	}

	if (type == PROP_FLOAT && array_len <= 4) {
	reinterpret_cast<float4 >(&data_x) = float4(0.0f, 0.0f, 0.0f, 1.0f);
	RNA_property_float_get_array(&ptr, prop, &data_x);
	return true;
	}
	return false;
	}

	/**
	* Go through all possible source of the given object uniform attribute.			* Go through all possible source of the given object uniform attribute.
	* Returns true if the attribute was correctly filled.			* Returns true if the attribute was correctly filled.
	* This function mirrors lookup_instance_property in cycles/blender/blender_object.cpp			* This function mirrors lookup_instance_property in cycles/blender/blender_object.cpp
	*/			*/
	bool ObjectAttribute::sync(const blender::draw::ObjectRef &ref, const GPUUniformAttr &attr)			bool ObjectAttribute::sync(const blender::draw::ObjectRef &ref, const GPUUniformAttr &attr)
	{			{
	hash_code = attr.hash_code;			hash_code = attr.hash_code;

	/* If requesting instance data, check the parent particle system and object. */			/* If requesting instance data, check the parent particle system and object. */
	if (attr.use_dupli) {			if (attr.use_dupli) {
	if ((ref.dupli_object != nullptr) && (ref.dupli_object->particle_system != nullptr)) {			return BKE_object_dupli_find_rgba_attribute(
	ParticleSettings *settings = ref.dupli_object->particle_system->part;			ref.object, ref.dupli_object, ref.dupli_parent, attr.name, &data_x);
	if (this->id_property_lookup((ID *)settings, attr.name_id_prop) \|\|
	this->id_property_lookup((ID *)settings, attr.name)) {
	return true;
	}
	}
	if (this->id_property_lookup((ID *)ref.dupli_parent, attr.name_id_prop) \|\|
	this->id_property_lookup((ID *)ref.dupli_parent, attr.name)) {
	return true;
	}
	}

	/* Check the object and mesh. */
	if (ref.object != nullptr) {
	if (this->id_property_lookup((ID *)ref.object, attr.name_id_prop) \|\|
	this->id_property_lookup((ID *)ref.object, attr.name) \|\|
	this->id_property_lookup((ID *)ref.object->data, attr.name_id_prop) \|\|
	this->id_property_lookup((ID *)ref.object->data, attr.name)) {
	return true;
	}			}
				else {
				return BKE_object_dupli_find_rgba_attribute(ref.object, nullptr, nullptr, attr.name, &data_x);
	}			}
	return false;
	}			}

	/** \} */			/** \} */