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/*************************************************************************/
/* utilities.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifndef RENDERER_UTILITIES_H
#define RENDERER_UTILITIES_H
#include "servers/rendering_server.h"
class DependencyTracker;
class Dependency {
public:
enum DependencyChangedNotification {
DEPENDENCY_CHANGED_AABB,
DEPENDENCY_CHANGED_MATERIAL,
DEPENDENCY_CHANGED_MESH,
DEPENDENCY_CHANGED_MULTIMESH,
DEPENDENCY_CHANGED_MULTIMESH_VISIBLE_INSTANCES,
DEPENDENCY_CHANGED_PARTICLES,
DEPENDENCY_CHANGED_DECAL,
DEPENDENCY_CHANGED_SKELETON_DATA,
DEPENDENCY_CHANGED_SKELETON_BONES,
DEPENDENCY_CHANGED_LIGHT,
DEPENDENCY_CHANGED_LIGHT_SOFT_SHADOW_AND_PROJECTOR,
DEPENDENCY_CHANGED_REFLECTION_PROBE,
};
void changed_notify(DependencyChangedNotification p_notification);
void deleted_notify(const RID &p_rid);
~Dependency();
private:
friend class DependencyTracker;
HashMap<DependencyTracker *, uint32_t> instances;
};
class DependencyTracker {
public:
void *userdata = nullptr;
typedef void (*ChangedCallback)(Dependency::DependencyChangedNotification, DependencyTracker *);
typedef void (*DeletedCallback)(const RID &, DependencyTracker *);
ChangedCallback changed_callback = nullptr;
DeletedCallback deleted_callback = nullptr;
void update_begin() { // call before updating dependencies
instance_version++;
}
void update_dependency(Dependency *p_dependency) { //called internally, can't be used directly, use update functions in Storage
dependencies.insert(p_dependency);
p_dependency->instances[this] = instance_version;
}
void update_end() { //call after updating dependencies
List<Pair<Dependency *, DependencyTracker *>> to_clean_up;
for (Dependency *E : dependencies) {
Dependency *dep = E;
HashMap<DependencyTracker *, uint32_t>::Iterator F = dep->instances.find(this);
ERR_CONTINUE(!F);
if (F->value != instance_version) {
Pair<Dependency *, DependencyTracker *> p;
p.first = dep;
p.second = F->key;
to_clean_up.push_back(p);
}
}
while (to_clean_up.size()) {
to_clean_up.front()->get().first->instances.erase(to_clean_up.front()->get().second);
dependencies.erase(to_clean_up.front()->get().first);
to_clean_up.pop_front();
}
}
void clear() { // clear all dependencies
for (Dependency *E : dependencies) {
Dependency *dep = E;
dep->instances.erase(this);
}
dependencies.clear();
}
~DependencyTracker() { clear(); }
private:
friend class Dependency;
uint32_t instance_version = 0;
HashSet<Dependency *> dependencies;
};
class RendererUtilities {
public:
virtual ~RendererUtilities() {}
/* INSTANCES */
virtual RS::InstanceType get_base_type(RID p_rid) const = 0;
virtual bool free(RID p_rid) = 0;
/* DEPENDENCIES */
virtual void base_update_dependency(RID p_base, DependencyTracker *p_instance) = 0;
/* VISIBILITY NOTIFIER */
virtual RID visibility_notifier_allocate() = 0;
virtual void visibility_notifier_initialize(RID p_notifier) = 0;
virtual void visibility_notifier_free(RID p_notifier) = 0;
virtual void visibility_notifier_set_aabb(RID p_notifier, const AABB &p_aabb) = 0;
virtual void visibility_notifier_set_callbacks(RID p_notifier, const Callable &p_enter_callbable, const Callable &p_exit_callable) = 0;
virtual AABB visibility_notifier_get_aabb(RID p_notifier) const = 0;
virtual void visibility_notifier_call(RID p_notifier, bool p_enter, bool p_deferred) = 0;
/* TIMING */
bool capturing_timestamps = false;
#define TIMESTAMP_BEGIN() \
{ \
if (RSG::utilities->capturing_timestamps) \
RSG::utilities->capture_timestamps_begin(); \
}
#define RENDER_TIMESTAMP(m_text) \
{ \
if (RSG::utilities->capturing_timestamps) \
RSG::utilities->capture_timestamp(m_text); \
}
virtual void capture_timestamps_begin() = 0;
virtual void capture_timestamp(const String &p_name) = 0;
virtual uint32_t get_captured_timestamps_count() const = 0;
virtual uint64_t get_captured_timestamps_frame() const = 0;
virtual uint64_t get_captured_timestamp_gpu_time(uint32_t p_index) const = 0;
virtual uint64_t get_captured_timestamp_cpu_time(uint32_t p_index) const = 0;
virtual String get_captured_timestamp_name(uint32_t p_index) const = 0;
/* MISC */
virtual void update_dirty_resources() = 0;
virtual void set_debug_generate_wireframes(bool p_generate) = 0;
virtual bool has_os_feature(const String &p_feature) const = 0;
virtual void update_memory_info() = 0;
virtual uint64_t get_rendering_info(RS::RenderingInfo p_info) = 0;
virtual String get_video_adapter_name() const = 0;
virtual String get_video_adapter_vendor() const = 0;
virtual RenderingDevice::DeviceType get_video_adapter_type() const = 0;
virtual String get_video_adapter_api_version() const = 0;
};
#endif // RENDERER_UTILITIES_H
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