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/*************************************************************************/
/* resource_importer_shader_file.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 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.*/
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/*************************************************************************/
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# include "resource_importer_shader_file.h"
# include "core/io/marshalls.h"
# include "core/io/resource_saver.h"
# include "core/os/file_access.h"
# include "editor/editor_node.h"
# include "editor/plugins/shader_file_editor_plugin.h"
# include "servers/rendering/rendering_device_binds.h"
String ResourceImporterShaderFile : : get_importer_name ( ) const {
return " glsl " ;
}
String ResourceImporterShaderFile : : get_visible_name ( ) const {
return " GLSL Shader File " ;
}
void ResourceImporterShaderFile : : get_recognized_extensions ( List < String > * p_extensions ) const {
p_extensions - > push_back ( " glsl " ) ;
}
String ResourceImporterShaderFile : : get_save_extension ( ) const {
return " res " ;
}
String ResourceImporterShaderFile : : get_resource_type ( ) const {
return " RDShaderFile " ;
}
int ResourceImporterShaderFile : : get_preset_count ( ) const {
return 0 ;
}
String ResourceImporterShaderFile : : get_preset_name ( int p_idx ) const {
return String ( ) ;
}
void ResourceImporterShaderFile : : get_import_options ( List < ImportOption > * r_options , int p_preset ) const {
}
bool ResourceImporterShaderFile : : get_option_visibility ( const String & p_option , const Map < StringName , Variant > & p_options ) const {
return true ;
}
static String _include_function ( const String & p_path , void * userpointer ) {
Error err ;
String * base_path = ( String * ) userpointer ;
String include = p_path ;
if ( include . is_rel_path ( ) ) {
include = base_path - > plus_file ( include ) ;
}
FileAccessRef file_inc = FileAccess : : open ( include , FileAccess : : READ , & err ) ;
if ( err ! = OK ) {
return String ( ) ;
}
return file_inc - > get_as_utf8_string ( ) ;
}
Error ResourceImporterShaderFile : : import ( const String & p_source_file , const String & p_save_path , const Map < StringName , Variant > & p_options , List < String > * r_platform_variants , List < String > * r_gen_files , Variant * r_metadata ) {
/* STEP 1, Read shader code */
Error err ;
FileAccessRef file = FileAccess : : open ( p_source_file , FileAccess : : READ , & err ) ;
ERR_FAIL_COND_V ( err ! = OK , ERR_CANT_OPEN ) ;
ERR_FAIL_COND_V ( ! file . operator - > ( ) , ERR_CANT_OPEN ) ;
String file_txt = file - > get_as_utf8_string ( ) ;
Ref < RDShaderFile > shader_file ;
shader_file . instance ( ) ;
String base_path = p_source_file . get_base_dir ( ) ;
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err = shader_file - > parse_versions_from_text ( file_txt , " " , _include_function , & base_path ) ;
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if ( err ! = OK ) {
if ( ! ShaderFileEditor : : singleton - > is_visible_in_tree ( ) ) {
EditorNode : : get_singleton ( ) - > add_io_error ( vformat ( TTR ( " Error importing GLSL shader file: '%s'. Open the file in the filesystem dock in order to see the reason. " ) , p_source_file ) ) ;
}
}
ResourceSaver : : save ( p_save_path + " .res " , shader_file ) ;
return OK ;
}
ResourceImporterShaderFile : : ResourceImporterShaderFile ( ) {
}