418 lines
10 KiB
C++
418 lines
10 KiB
C++
/*************************************************************************/
|
|
/* shader.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* http://www.godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
|
|
/* */
|
|
/* 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 "servers/visual_server.h"
|
|
#include "texture.h"
|
|
#include "os/file_access.h"
|
|
#include "scene/scene_string_names.h"
|
|
|
|
|
|
void Shader::set_mode(Mode p_mode) {
|
|
|
|
ERR_FAIL_INDEX(p_mode,2);
|
|
VisualServer::get_singleton()->shader_set_mode(shader,VisualServer::ShaderMode(p_mode));
|
|
emit_signal(SceneStringNames::get_singleton()->changed);
|
|
}
|
|
|
|
Shader::Mode Shader::get_mode() const {
|
|
|
|
return (Mode)VisualServer::get_singleton()->shader_get_mode(shader);
|
|
}
|
|
|
|
void Shader::set_code( const String& p_vertex, const String& p_fragment, int p_vertex_ofs,int p_fragment_ofs) {
|
|
|
|
VisualServer::get_singleton()->shader_set_code(shader,p_vertex,p_fragment,p_vertex_ofs,p_fragment_ofs);
|
|
params_cache_dirty=true;
|
|
emit_signal(SceneStringNames::get_singleton()->changed);
|
|
}
|
|
|
|
|
|
String Shader::get_vertex_code() const {
|
|
|
|
return VisualServer::get_singleton()->shader_get_vertex_code(shader);
|
|
}
|
|
|
|
String Shader::get_fragment_code() const {
|
|
|
|
return VisualServer::get_singleton()->shader_get_fragment_code(shader);
|
|
|
|
}
|
|
|
|
|
|
bool Shader::has_param(const StringName& p_param) const {
|
|
|
|
if (params_cache_dirty)
|
|
get_param_list(NULL);
|
|
|
|
return (params_cache.has(p_param));
|
|
}
|
|
|
|
|
|
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="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;
|
|
}
|
|
|
|
Dictionary Shader::_get_code() {
|
|
|
|
String fs = VisualServer::get_singleton()->shader_get_fragment_code(shader);
|
|
String vs = VisualServer::get_singleton()->shader_get_vertex_code(shader);
|
|
|
|
Dictionary c;
|
|
c["fragment"]=fs;
|
|
c["fragment_ofs"]=0;
|
|
c["vertex"]=vs;
|
|
c["vertex_ofs"]=0;
|
|
return c;
|
|
}
|
|
|
|
void Shader::_set_code(const Dictionary& p_string) {
|
|
|
|
ERR_FAIL_COND(!p_string.has("fragment"));
|
|
ERR_FAIL_COND(!p_string.has("vertex"));
|
|
|
|
set_code(p_string["vertex"],p_string["fragment"]);
|
|
}
|
|
|
|
void Shader::_bind_methods() {
|
|
|
|
ObjectTypeDB::bind_method(_MD("set_mode","mode"),&Shader::set_mode);
|
|
ObjectTypeDB::bind_method(_MD("get_mode"),&Shader::get_mode);
|
|
|
|
ObjectTypeDB::bind_method(_MD("set_code","vcode","fcode","vofs","fofs"),&Shader::set_code,DEFVAL(0),DEFVAL(0));
|
|
ObjectTypeDB::bind_method(_MD("get_vertex_code"),&Shader::get_vertex_code);
|
|
ObjectTypeDB::bind_method(_MD("get_fragment_code"),&Shader::get_fragment_code);
|
|
|
|
ObjectTypeDB::bind_method(_MD("has_param","name"),&Shader::has_param);
|
|
|
|
ObjectTypeDB::bind_method(_MD("_set_code","code"),&Shader::_set_code);
|
|
ObjectTypeDB::bind_method(_MD("_get_code"),&Shader::_get_code);
|
|
|
|
//ObjectTypeDB::bind_method(_MD("get_param_list"),&Shader::get_fragment_code);
|
|
|
|
|
|
ADD_PROPERTY( PropertyInfo(Variant::STRING, "_code",PROPERTY_HINT_NONE,"",PROPERTY_USAGE_NOEDITOR), _SCS("_set_code"), _SCS("_get_code") );
|
|
|
|
BIND_CONSTANT( MODE_MATERIAL );
|
|
BIND_CONSTANT( MODE_CANVAS_ITEM );
|
|
BIND_CONSTANT( MODE_POST_PROCESS );
|
|
|
|
}
|
|
|
|
Shader::Shader() {
|
|
|
|
shader = VisualServer::get_singleton()->shader_create();
|
|
params_cache_dirty=true;
|
|
}
|
|
|
|
Shader::~Shader() {
|
|
|
|
VisualServer::get_singleton()->free(shader);
|
|
}
|
|
|
|
|
|
|
|
/************ Loader from text ***************/
|
|
|
|
|
|
|
|
RES ResourceFormatLoaderShader::load(const String &p_path,const String& p_original_path) {
|
|
|
|
String fragment_code;
|
|
String vertex_code;
|
|
|
|
int mode=-1;
|
|
|
|
Error err;
|
|
FileAccess *f = FileAccess::open(p_path,FileAccess::READ,&err);
|
|
|
|
|
|
ERR_EXPLAIN("Unable to open shader file: "+p_path);
|
|
ERR_FAIL_COND_V(err,RES());
|
|
String base_path = p_path.get_base_dir();
|
|
|
|
|
|
Ref<Shader> shader( memnew( Shader ) );
|
|
|
|
int line=0;
|
|
|
|
while(!f->eof_reached()) {
|
|
|
|
String l = f->get_line();
|
|
line++;
|
|
|
|
if (mode<=0) {
|
|
l = l.strip_edges();
|
|
int comment = l.find(";");
|
|
if (comment!=-1)
|
|
l=l.substr(0,comment);
|
|
}
|
|
|
|
if (mode<1)
|
|
vertex_code+="\n";
|
|
if (mode<2)
|
|
fragment_code+="\n";
|
|
|
|
if (mode < 1 && l=="")
|
|
continue;
|
|
|
|
if (l.begins_with("[")) {
|
|
l=l.strip_edges();
|
|
if (l=="[params]") {
|
|
if (mode>=0) {
|
|
memdelete(f);
|
|
ERR_EXPLAIN(p_path+":"+itos(line)+": Misplaced [params] section.");
|
|
ERR_FAIL_V(RES());
|
|
}
|
|
mode=0;
|
|
} else if (l=="[vertex]") {
|
|
if (mode>=1) {
|
|
memdelete(f);
|
|
ERR_EXPLAIN(p_path+":"+itos(line)+": Misplaced [vertex] section.");
|
|
ERR_FAIL_V(RES());
|
|
}
|
|
mode=1;
|
|
} else if (l=="[fragment]") {
|
|
if (mode>=2) {
|
|
memdelete(f);
|
|
ERR_EXPLAIN(p_path+":"+itos(line)+": Misplaced [fragment] section.");
|
|
ERR_FAIL_V(RES());
|
|
}
|
|
mode=1;
|
|
} else {
|
|
memdelete(f);
|
|
ERR_EXPLAIN(p_path+":"+itos(line)+": Unknown section type: '"+l+"'.");
|
|
ERR_FAIL_V(RES());
|
|
}
|
|
continue;
|
|
}
|
|
|
|
if (mode==0) {
|
|
|
|
int eqpos = l.find("=");
|
|
if (eqpos==-1) {
|
|
memdelete(f);
|
|
ERR_EXPLAIN(p_path+":"+itos(line)+": Expected '='.");
|
|
ERR_FAIL_V(RES());
|
|
}
|
|
|
|
|
|
String right=l.substr(eqpos+1,l.length()).strip_edges();
|
|
if (right=="") {
|
|
memdelete(f);
|
|
ERR_EXPLAIN(p_path+":"+itos(line)+": Expected value after '='.");
|
|
ERR_FAIL_V(RES());
|
|
}
|
|
|
|
Variant value;
|
|
|
|
if (right=="true") {
|
|
value = true;
|
|
} else if (right=="false") {
|
|
value = false;
|
|
} else if (right.is_valid_float()) {
|
|
//is number
|
|
value = right.to_double();
|
|
} else if (right.is_valid_html_color()) {
|
|
//is html color
|
|
value = Color::html(right);
|
|
} else {
|
|
//attempt to parse a constructor
|
|
int popenpos = right.find("(");
|
|
|
|
if (popenpos==-1) {
|
|
memdelete(f);
|
|
ERR_EXPLAIN(p_path+":"+itos(line)+": Invalid constructor syntax: "+right);
|
|
ERR_FAIL_V(RES());
|
|
}
|
|
|
|
int pclosepos = right.find_last(")");
|
|
|
|
if (pclosepos==-1) {
|
|
ERR_EXPLAIN(p_path+":"+itos(line)+": Invalid constructor parameter syntax: "+right);
|
|
ERR_FAIL_V(RES());
|
|
|
|
}
|
|
|
|
String type = right.substr(0,popenpos);
|
|
String param = right.substr(popenpos+1,pclosepos-popenpos-1).strip_edges();
|
|
|
|
print_line("type: "+type+" param: "+param);
|
|
|
|
if (type=="tex") {
|
|
|
|
if (param=="") {
|
|
|
|
value=RID();
|
|
} else {
|
|
|
|
String path;
|
|
|
|
if (param.is_abs_path())
|
|
path=param;
|
|
else
|
|
path=base_path+"/"+param;
|
|
|
|
Ref<Texture> texture = ResourceLoader::load(path);
|
|
if (!texture.is_valid()) {
|
|
memdelete(f);
|
|
ERR_EXPLAIN(p_path+":"+itos(line)+": Couldn't find icon at path: "+path);
|
|
ERR_FAIL_V(RES());
|
|
}
|
|
|
|
value=texture;
|
|
}
|
|
|
|
} else if (type=="vec3") {
|
|
|
|
if (param=="") {
|
|
value=Vector3();
|
|
} else {
|
|
Vector<String> params = param.split(",");
|
|
if (params.size()!=3) {
|
|
memdelete(f);
|
|
ERR_EXPLAIN(p_path+":"+itos(line)+": Invalid param count for vec3(): '"+right+"'.");
|
|
ERR_FAIL_V(RES());
|
|
|
|
}
|
|
|
|
Vector3 v;
|
|
for(int i=0;i<3;i++)
|
|
v[i]=params[i].to_double();
|
|
value=v;
|
|
}
|
|
|
|
|
|
} else if (type=="xform") {
|
|
|
|
if (param=="") {
|
|
value=Transform();
|
|
} else {
|
|
|
|
Vector<String> params = param.split(",");
|
|
if (params.size()!=12) {
|
|
memdelete(f);
|
|
ERR_EXPLAIN(p_path+":"+itos(line)+": Invalid param count for xform(): '"+right+"'.");
|
|
ERR_FAIL_V(RES());
|
|
|
|
}
|
|
|
|
Transform t;
|
|
for(int i=0;i<9;i++)
|
|
t.basis[i%3][i/3]=params[i].to_double();
|
|
for(int i=0;i<3;i++)
|
|
t.origin[i]=params[i-9].to_double();
|
|
|
|
value=t;
|
|
}
|
|
|
|
} else {
|
|
memdelete(f);
|
|
ERR_EXPLAIN(p_path+":"+itos(line)+": Invalid constructor type: '"+type+"'.");
|
|
ERR_FAIL_V(RES());
|
|
|
|
}
|
|
|
|
}
|
|
|
|
String left= l.substr(0,eqpos);
|
|
|
|
// shader->set_param(left,value);
|
|
} else if (mode==1) {
|
|
|
|
vertex_code+=l;
|
|
|
|
} else if (mode==2) {
|
|
|
|
fragment_code+=l;
|
|
}
|
|
}
|
|
|
|
shader->set_code(vertex_code,fragment_code);
|
|
|
|
f->close();
|
|
memdelete(f);
|
|
|
|
return shader;
|
|
}
|
|
|
|
void ResourceFormatLoaderShader::get_recognized_extensions(List<String> *p_extensions) const {
|
|
|
|
p_extensions->push_back("shader");
|
|
}
|
|
bool ResourceFormatLoaderShader::handles_type(const String& p_type) const {
|
|
|
|
return p_type=="Shader";
|
|
}
|
|
|
|
|
|
String ResourceFormatLoaderShader::get_resource_type(const String &p_path) const {
|
|
|
|
if (p_path.extension().to_lower()=="shader")
|
|
return "Shader";
|
|
return "";
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|