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Dummy texture importer 

Added a dummy importer for textures to use with the server platform.
Allows for running a project in headless mode without crashing when loading scenes containing textured objects
Also as a result decreases load time as no image files have to be loaded.
This commit is contained in:
Gustav Lund 2018-05-07 14:56:47 +02:00
parent cfd950382f
commit 3dcf338ebb
4 changed files with 143 additions and 0 deletions
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87
drivers/dummy/texture_loader_dummy.cpp Normal file
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@ -0,0 +1,87 @@
/*************************************************************************/
/* texture_loader_dummy.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2018 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. */
/*************************************************************************/
#include "texture_loader_dummy.h"
#include "core/os/file_access.h"
#include "print_string.h"
#include <string.h>
RES ResourceFormatDummyTexture::load(const String &p_path, const String &p_original_path, Error *r_error) {
unsigned int width = 8;
unsigned int height = 8;
//We just use some format
Image::Format fmt = Image::FORMAT_RGB8;
int rowsize = 3 * width;
PoolVector<uint8_t> dstbuff;
dstbuff.resize(rowsize * height);
PoolVector<uint8_t>::Write dstbuff_write = dstbuff.write();
uint8_t *data = dstbuff_write.ptr();
uint8_t **row_p = memnew_arr(uint8_t *, height);
for (unsigned int i = 0; i < height; i++) {
row_p[i] = 0; //No colors any more, I want them to turn black
}
memdelete_arr(row_p);
Ref<Image> img = memnew(Image(width, height, 0, fmt, dstbuff));
Ref<ImageTexture> texture = memnew(ImageTexture);
texture->create_from_image(img);
if (r_error)
*r_error = OK;
return texture;
}
void ResourceFormatDummyTexture::get_recognized_extensions(List<String> *p_extensions) const {
p_extensions->push_back("png");
p_extensions->push_back("hdr");
p_extensions->push_back("jpg");
p_extensions->push_back("tga");
}
bool ResourceFormatDummyTexture::handles_type(const String &p_type) const {
return ClassDB::is_parent_class(p_type, "Texture");
}
String ResourceFormatDummyTexture::get_resource_type(const String &p_path) const {
String extension = p_path.get_extension().to_lower();
if (extension == "png" || extension == "hdr" || extension == "jpg" || extension == "tga")
return "ImageTexture";
return "";
}

47
drivers/dummy/texture_loader_dummy.h Normal file
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@ -0,0 +1,47 @@
/*************************************************************************/
/* texture_loader_dummy.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2018 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 TEXTURE_LOADER_DUMMY_H
#define TEXTURE_LOADER_DUMMY_H
#include "core/io/resource_loader.h"
#include "scene/resources/texture.h"
class ResourceFormatDummyTexture : public ResourceFormatLoader {
public:
virtual RES load(const String &p_path, const String &p_original_path = "", Error *r_error = NULL);
virtual void get_recognized_extensions(List<String> *p_extensions) const;
virtual bool handles_type(const String &p_type) const;
virtual String get_resource_type(const String &p_path) const;
virtual ~ResourceFormatDummyTexture() {}
};
#endif // TEXTURE_LOADER_DUMMY_H

6
platform/server/os_server.cpp
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@ -30,6 +30,7 @@
#include "os_server.h"
#include "drivers/dummy/audio_driver_dummy.h"
#include "drivers/dummy/rasterizer_dummy.h"
#include "drivers/dummy/texture_loader_dummy.h"
#include "print_string.h"
#include "servers/visual/visual_server_raster.h"
#include <stdio.h>
@ -83,6 +84,9 @@ Error OS_Server::initialize(const VideoMode &p_desired, int p_video_driver, int
_ensure_user_data_dir();
resource_loader_dummy = memnew(ResourceFormatDummyTexture);
ResourceLoader::add_resource_format_loader(resource_loader_dummy);
return OK;
}
@ -99,6 +103,8 @@ void OS_Server::finalize() {
memdelete(power_manager);
memdelete(resource_loader_dummy);
args.clear();
}

3
platform/server/os_server.h
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@ -32,6 +32,7 @@
#include "../x11/crash_handler_x11.h"
#include "../x11/power_x11.h"
#include "drivers/dummy/texture_loader_dummy.h"
#include "drivers/rtaudio/audio_driver_rtaudio.h"
#include "drivers/unix/os_unix.h"
#include "main/input_default.h"
@ -65,6 +66,8 @@ class OS_Server : public OS_Unix {
CrashHandler crash_handler;
ResourceFormatDummyTexture *resource_loader_dummy;
protected:
virtual int get_video_driver_count() const;
virtual const char *get_video_driver_name(int p_driver) const;