surfaceman.cpp

Go to the documentation of this file.

/* xoreos - A reimplementation of BioWare's Aurora engine
 *
 * xoreos is the legal property of its developers, whose names
 * can be found in the AUTHORS file distributed with this source
 * distribution.
 *
 * xoreos is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 3
 * of the License, or (at your option) any later version.
 *
 * xoreos is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with xoreos. If not, see <http://www.gnu.org/licenses/>.
 */

#include "src/common/util.h"

#include "src/graphics/shader/surfaceman.h"

DECLARE_SINGLETON(Graphics::Shader::SurfaceManager)

namespace Graphics {

namespace Shader {

SurfaceManager::SurfaceManager() {
    ShaderSurface *surface = new ShaderSurface(ShaderMan.getShaderObject("default/default.vert", SHADER_VERTEX), "defaultSurface");
    _resourceMap[surface->getName()] = surface;

    surface = new ShaderSurface(ShaderMan.getShaderObject("default/text.vert", SHADER_VERTEX), "textSurface");
    _resourceMap[surface->getName()] = surface;

    surface = new ShaderSurface(ShaderMan.getShaderObject("default/texture.vert", SHADER_VERTEX), "textureSurface");
    _resourceMap[surface->getName()] = surface;
}

SurfaceManager::~SurfaceManager() {
    deinit();
}

void SurfaceManager::init() {
    status("Initialising default surfaces...");
}

void SurfaceManager::deinit() {
    for (std::map<Common::UString, ShaderSurface *>::iterator iter = _resourceMap.begin(); iter != _resourceMap.end(); ++iter) {
        delete iter->second;
    }
    _resourceMap.clear();
}

void SurfaceManager::cleanup() {
    std::map<Common::UString, ShaderSurface *>::iterator iter = _resourceMap.begin();
    while (iter != _resourceMap.end()) {
        ShaderSurface *surface = iter->second;
        iter++;
        if (surface->useCount() == 0) {
            iter = delResource(iter);
        } else {
            iter++;
        }
    }
}

void SurfaceManager::addSurface(ShaderSurface *surface) {
    if (!surface) {
        return;
    }

    std::map<Common::UString, ShaderSurface *>::iterator iter = _resourceMap.find(surface->getName());
    if (iter == _resourceMap.end()) {
        _resourceMap[surface->getName()] = surface;
    }
}

void SurfaceManager::delSurface(ShaderSurface *surface) {
    if (!surface) {
        return;
    }

    std::map<Common::UString, ShaderSurface *>::iterator iter = _resourceMap.find(surface->getName());
    if (iter != _resourceMap.end()) {
        delResource(iter);
    }
}

ShaderSurface *SurfaceManager::getSurface(const Common::UString &name) {
    std::map<Common::UString, ShaderSurface *>::iterator iter = _resourceMap.find(name);
    if (iter != _resourceMap.end()) {
        return iter->second;
    } else {
        return 0;
    }
}

std::map<Common::UString, ShaderSurface *>::iterator SurfaceManager::delResource(std::map<Common::UString, ShaderSurface *>::iterator iter) {
    std::map<Common::UString, ShaderSurface *>::iterator inext = iter;
    inext++;
    delete iter->second;
    _resourceMap.erase(iter);

    return inext;
}

} // End of namespace Shader

} // End of namespace Graphics