d8223ffa75
That year should bring the long-awaited OpenGL ES 3.0 compatible renderer
with state-of-the-art rendering techniques tuned to work as low as middle
end handheld devices - without compromising with the possibilities given
for higher end desktop games of course. Great times ahead for the Godot
community and the gamers that will play our games!
(cherry picked from commit c7bc44d5ad)
130 lines
4.3 KiB
C++
130 lines
4.3 KiB
C++
/*************************************************************************/
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/* editor_resource_preview.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef EDITORRESOURCEPREVIEW_H
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#define EDITORRESOURCEPREVIEW_H
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#include "scene/main/node.h"
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#include "os/semaphore.h"
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#include "os/thread.h"
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#include "scene/resources/texture.h"
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/* make previews for:
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*packdscene
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*wav
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*image
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*mesh
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-font
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*script
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*material
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-shader
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-shader graph?
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-navigation mesh
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-collision?
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-occluder polygon
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-navigation polygon
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-tileset
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-curve and curve2D
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*/
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class EditorResourcePreviewGenerator : public Reference {
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OBJ_TYPE(EditorResourcePreviewGenerator,Reference );
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public:
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virtual bool handles(const String& p_type) const=0;
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virtual Ref<Texture> generate(const RES& p_from)=0;
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virtual Ref<Texture> generate_from_path(const String& p_path);
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EditorResourcePreviewGenerator();
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};
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class EditorResourcePreview : public Node {
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OBJ_TYPE(EditorResourcePreview,Node);
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static EditorResourcePreview* singleton;
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struct QueueItem {
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Ref<Resource> resource;
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String path;
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ObjectID id;
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StringName function;
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Variant userdata;
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};
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List<QueueItem> queue;
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Mutex *preview_mutex;
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Semaphore *preview_sem;
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Thread *thread;
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bool exit;
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struct Item {
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Ref<Texture> preview;
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int order;
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uint32_t last_hash;
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uint64_t modified_time;
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};
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int order;
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Map<String,Item> cache;
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void _preview_ready(const String& p_str,const Ref<Texture>& p_texture, ObjectID id, const StringName &p_func, const Variant &p_ud);
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Ref<Texture> _generate_preview(const QueueItem& p_item, const String &cache_base);
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static void _thread_func(void *ud);
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void _thread();
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Vector<Ref<EditorResourcePreviewGenerator> > preview_generators;
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protected:
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static void _bind_methods();
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public:
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static EditorResourcePreview* get_singleton();
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//callback funtion is callback(String p_path,Ref<Texture> preview,Variant udata) preview null if could not load
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void queue_resource_preview(const String& p_res, Object* p_receiver, const StringName& p_receiver_func, const Variant& p_userdata);
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void queue_edited_resource_preview(const Ref<Resource>& p_path, Object* p_receiver, const StringName& p_receiver_func, const Variant& p_userdata);
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void add_preview_generator(const Ref<EditorResourcePreviewGenerator>& p_generator);
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void check_for_invalidation(const String& p_path);
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EditorResourcePreview();
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~EditorResourcePreview();
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};
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#endif // EDITORRESOURCEPREVIEW_H
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