bool CombinerInfo::_loadShadersStorage()
{
wchar_t fileName[PLUGIN_PATH_SIZE];
getStorageFileName(fileName);
m_configOptionsBitSet = _getConfigOptionsBitSet();
#ifdef OS_WINDOWS
std::ifstream fin(fileName, std::ofstream::binary);
#else
char fileName_c[PATH_MAX];
wcstombs(fileName_c, fileName, PATH_MAX);
std::ifstream fin(fileName_c, std::ofstream::binary);
#endif
if (!fin)
return false;
try {
u32 version;
fin.read((char*)&version, sizeof(version));
if (version != ShaderStorageFormatVersion)
return false;
u32 optionsSet;
fin.read((char*)&optionsSet, sizeof(optionsSet));
if (optionsSet != m_configOptionsBitSet)
return false;
const char * strRenderer = reinterpret_cast<const char *>(glGetString(GL_RENDERER));
u32 len;
fin.read((char*)&len, sizeof(len));
std::vector<char> strBuf(len);
fin.read(strBuf.data(), len);
if (strncmp(strRenderer, strBuf.data(), len) != 0)
return false;
const char * strGLVersion = reinterpret_cast<const char *>(glGetString(GL_VERSION));
fin.read((char*)&len, sizeof(len));
strBuf.resize(len);
fin.read(strBuf.data(), len);
if (strncmp(strGLVersion, strBuf.data(), len) != 0)
return false;
fin.read((char*)&len, sizeof(len));
for (u32 i = 0; i < len; ++i) {
m_pCurrent = new ShaderCombiner();
fin >> *m_pCurrent;
m_pCurrent->update(true);
m_pUniformCollection->bindWithShaderCombiner(m_pCurrent);
m_combiners[m_pCurrent->getKey()] = m_pCurrent;
}
}
catch (...) {
m_shadersLoaded = 0;
return false;
}
m_shadersLoaded = m_combiners.size();
fin.close();
return !isGLError();
}
void CombinerInfo::_saveShadersStorage() const
{
if (m_shadersLoaded >= m_combiners.size())
return;
wchar_t fileName[PLUGIN_PATH_SIZE];
getStorageFileName(fileName);
#ifdef OS_WINDOWS
std::ofstream fout(fileName, std::ofstream::binary | std::ofstream::trunc);
#else
char fileName_c[PATH_MAX];
wcstombs(fileName_c, fileName, PATH_MAX);
std::ofstream fout(fileName_c, std::ofstream::binary | std::ofstream::trunc);
#endif
if (!fout)
return;
fout.write((char*)&ShaderStorageFormatVersion, sizeof(ShaderStorageFormatVersion));
const u32 optionsSet = _getConfigOptionsBitSet();
fout.write((char*)&optionsSet, sizeof(optionsSet));
const char * strRenderer = reinterpret_cast<const char *>(glGetString(GL_RENDERER));
u32 len = strlen(strRenderer);
fout.write((char*)&len, sizeof(len));
fout.write(strRenderer, len);
const char * strGLVersion = reinterpret_cast<const char *>(glGetString(GL_VERSION));
len = strlen(strGLVersion);
fout.write((char*)&len, sizeof(len));
fout.write(strGLVersion, len);
len = m_combiners.size();
fout.write((char*)&len, sizeof(len));
for (Combiners::const_iterator cur = m_combiners.begin(); cur != m_combiners.end(); ++cur)
fout << *(cur->second);
fout.flush();
fout.close();
}
