shader_library.cxx

#include "shader_library.h"
 
namespace cgv {
namespace render {
 
shader_library::shader_library() {
 
    shaders.clear();
}
 
shader_library::~shader_library() {
 
    shaders.clear();
}
 
void shader_library::clear(context& ctx) {
 
    shaders.clear();
}
 
bool shader_library::add(const std::string& name, const std::string& file, const shader_define_map& defines) {
 
    if(shaders.find(name) == shaders.end()) {
        shader_info elem;
        elem.filename = file;
        elem.defines = defines;
        shaders.insert({ name, elem });
        return true;
    }
    return false;
}
 
bool shader_library::load_all(context& ctx, const std::string& where) {
 
    bool success = true;
    for(auto& elem : shaders) {
        shader_info& si = elem.second;
        success &= load(ctx, si.prog, si.filename, si.defines, true, where);
    }
 
    return success;
}
 
bool shader_library::reload(context& ctx, const std::string& name, const shader_define_map& defines, const std::string& where) {
    
    auto it = shaders.find(name);
    if(it != shaders.end()) {
        shader_info& si = (*it).second;
        si.defines = defines;
        return load(ctx, si.prog, si.filename, si.defines, true, where);
    }
    return false;
}
 
bool shader_library::reload_all(context& ctx, const std::string& where) {
 
    bool success = true;
    for(auto& elem : shaders) {
        shader_info& si = elem.second;
        success &= load(ctx, si.prog, si.filename, si.defines, true, where);
    }
 
    return success;
}
 
}
}