godot/scene/resources/shader.cpp
2017-08-20 22:07:43 +02:00

156 lines
5.4 KiB
C++

/*************************************************************************/
/* shader.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2017 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 "shader.h"
#include "os/file_access.h"
#include "scene/scene_string_names.h"
#include "servers/visual/shader_language.h"
#include "servers/visual_server.h"
#include "texture.h"
Shader::Mode Shader::get_mode() const {
return mode;
}
void Shader::set_code(const String &p_code) {
String type = ShaderLanguage::get_shader_type(p_code);
print_line("mode: " + type);
if (type == "canvas_item") {
mode = MODE_CANVAS_ITEM;
} else if (type == "particles") {
mode = MODE_PARTICLES;
} else {
mode = MODE_SPATIAL;
}
VisualServer::get_singleton()->shader_set_code(shader, p_code);
params_cache_dirty = true;
emit_signal(SceneStringNames::get_singleton()->changed);
}
String Shader::get_code() const {
return VisualServer::get_singleton()->shader_get_code(shader);
}
void Shader::get_param_list(List<PropertyInfo> *p_params) const {
List<PropertyInfo> local;
VisualServer::get_singleton()->shader_get_param_list(shader, &local);
params_cache.clear();
params_cache_dirty = false;
for (List<PropertyInfo>::Element *E = local.front(); E; E = E->next()) {
PropertyInfo pi = E->get();
pi.name = "shader_param/" + pi.name;
params_cache[pi.name] = E->get().name;
if (p_params) {
//small little hack
if (pi.type == Variant::_RID)
pi.type = Variant::OBJECT;
p_params->push_back(pi);
}
}
}
RID Shader::get_rid() const {
return shader;
}
void Shader::set_default_texture_param(const StringName &p_param, const Ref<Texture> &p_texture) {
if (p_texture.is_valid()) {
default_textures[p_param] = p_texture;
VS::get_singleton()->shader_set_default_texture_param(shader, p_param, p_texture->get_rid());
} else {
default_textures.erase(p_param);
VS::get_singleton()->shader_set_default_texture_param(shader, p_param, RID());
}
}
Ref<Texture> Shader::get_default_texture_param(const StringName &p_param) const {
if (default_textures.has(p_param))
return default_textures[p_param];
else
return Ref<Texture>();
}
void Shader::get_default_texture_param_list(List<StringName> *r_textures) const {
for (const Map<StringName, Ref<Texture> >::Element *E = default_textures.front(); E; E = E->next()) {
r_textures->push_back(E->key());
}
}
bool Shader::has_param(const StringName &p_param) const {
return params_cache.has(p_param);
}
void Shader::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_mode"), &Shader::get_mode);
ClassDB::bind_method(D_METHOD("set_code", "code"), &Shader::set_code);
ClassDB::bind_method(D_METHOD("get_code"), &Shader::get_code);
ClassDB::bind_method(D_METHOD("set_default_texture_param", "param", "texture"), &Shader::set_default_texture_param);
ClassDB::bind_method(D_METHOD("get_default_texture_param", "param"), &Shader::get_default_texture_param);
ClassDB::bind_method(D_METHOD("has_param", "name"), &Shader::has_param);
//ClassDB::bind_method(D_METHOD("get_param_list"),&Shader::get_fragment_code);
ADD_PROPERTY(PropertyInfo(Variant::STRING, "code", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR), "set_code", "get_code");
BIND_ENUM_CONSTANT(MODE_SPATIAL);
BIND_ENUM_CONSTANT(MODE_CANVAS_ITEM);
BIND_ENUM_CONSTANT(MODE_PARTICLES);
}
Shader::Shader() {
mode = MODE_SPATIAL;
shader = VisualServer::get_singleton()->shader_create();
params_cache_dirty = true;
}
Shader::~Shader() {
VisualServer::get_singleton()->free(shader);
}