gfx::ShaderProgramHandle gfx::ShaderBank::LoadShaderProgram ( const std::string& filename ) {
//find if its already in bank
for(auto& it : m_HandleToPrograms) {
if(it.second->GetFilename() == filename) {
//Logger::Log( "Program filename already exist in the bank, use defines or a bitflag to vary shader compilation", "ShaderBank", LogSeverity::WARNING_MSG );
return it.first;
}
}
ShaderProgram* program = new ShaderProgram( );
#ifdef SHADER_BINARY_PROGRAM
ShaderProgramBinary header;
if(program->LoadProgramBinaryHeader(filename, header)) {
if(strcmp(header.Version, (char*)glGetString(GL_VERSION)) == 0) {
program->LoadProgramBinary(filename);
ShaderProgramHandle handle = m_Counter++;
m_Programs.push_back(program);
m_HandleToPrograms.emplace( handle, program );
return handle;
}
}
if(program->LoadCompleteShaderProgramFromFile(filename, true)) {
program->SaveProgramBinary();
}
#else
program->LoadCompleteShaderProgramFromFile(filename, true);
#endif
ShaderProgramHandle handle = m_Counter++;
m_Programs.push_back(program);
m_HandleToPrograms.emplace( handle, program );
return handle;
}
gfx::ShaderProgramHandle gfx::ShaderBank::LoadShaderProgramWithDefines ( const std::string& filename, ShaderDefineContainer& defines ) {
ShaderProgram* program = new ShaderProgram ();
#ifdef SHADER_BINARY_PROGRAM
ShaderProgramBinary header;
if(program->LoadProgramBinaryHeader(filename, header)) {
if(strcmp(header.Version, (char*)glGetString(GL_VERSION)) == 0) {
program->LoadProgramBinary(filename);
ShaderProgramHandle handle = m_Counter++;
m_Programs.push_back(program);
m_HandleToPrograms.emplace( handle, program );
return handle;
}
}
if(program->LoadCompleteShaderProgramFromFile(filename, true, defines)) {
program->SaveProgramBinary();
}
#else
//program->LoadCompleteShaderProgramFromFile(filename, true, defines);
#endif
ShaderProgramHandle handle = m_Counter++;
m_Programs.push_back(program);
m_HandleToPrograms.emplace( handle, program );
return handle;
}