Implement global and per instance shader uniforms.

Adds two keywords to shader language for uniforms:
-'global'
-'instance'

This allows them to reference values outside the material.

1 files changed, 7 insertions, 0 deletions

diff --git a/servers/rendering/rendering_server_scene.h b/servers/rendering/rendering_server_scene.h
index f5f7c50ea0..db2fbd6707 100644
--- a/servers/rendering/rendering_server_scene.h
+++ b/servers/rendering/rendering_server_scene.h
@@ -435,6 +435,13 @@ public:
 	virtual void instance_geometry_set_draw_range(RID p_instance, float p_min, float p_max, float p_min_margin, float p_max_margin);
 	virtual void instance_geometry_set_as_instance_lod(RID p_instance, RID p_as_lod_of_instance);
 
+	void _update_instance_shader_parameters_from_material(Map<StringName, RasterizerScene::InstanceBase::InstanceShaderParameter> &isparams, const Map<StringName, RasterizerScene::InstanceBase::InstanceShaderParameter> &existing_isparams, RID p_material);
+
+	virtual void instance_geometry_set_shader_parameter(RID p_instance, const StringName &p_parameter, const Variant &p_value);
+	virtual void instance_geometry_get_shader_parameter_list(RID p_instance, List<PropertyInfo> *p_parameters) const;
+	virtual Variant instance_geometry_get_shader_parameter(RID p_instance, const StringName &p_parameter) const;
+	virtual Variant instance_geometry_get_shader_parameter_default_value(RID p_instance, const StringName &p_parameter) const;
+
 	_FORCE_INLINE_ void _update_instance(Instance *p_instance);
 	_FORCE_INLINE_ void _update_instance_aabb(Instance *p_instance);
 	_FORCE_INLINE_ void _update_dirty_instance(Instance *p_instance);