std::shared_ptr<ShaderProgram> ContentManager::LoadNew(const std::string &name, bool async)
{
FilePtr fp = FileManager::Instance()->OpenFile(name);
if (!fp)
{
LOG("Failed loading '%s': file not found", name.c_str());
return nullptr;
}
int size = fp->GetSize();
char *data = new char[size + 1];
fp->Read(data, size);
fp->Close();
data[size] = 0;
ShaderProgramPtr program = std::make_shared<ShaderProgram>();
ShaderPtr vs = std::make_shared<Shader>(GL_VERTEX_SHADER);
if (!vs->Load(data))
{
LOG("Error loading '%s' vertex shader: %s", name.c_str(), vs->ErrorMessage().c_str());
return nullptr;
}
program->AddShader(vs);
ShaderPtr ps = std::make_shared<Shader>(GL_FRAGMENT_SHADER);
if (!ps->Load(data))
{
LOG("Error loading '%s' fragment shader: %s", name.c_str(), vs->ErrorMessage().c_str());
return nullptr;
}
program->AddShader(ps);
if (!program->Link())
{
LOG("Error loading '%s': link failed", name.c_str());
return nullptr;
}
ContentManager::Instance()->CacheObject(name, program);
LOG("Loaded shader '%s'", name.c_str());
return program;
}
MaterialPassPtr PassParser::CreateObject(Sys_GraphicsPtr pGraphics)
{
ShaderProgramPtr pProgram = pGraphics->CreateShaderProgram();
if(_VertexShader != "" && pProgram->AttachShaderFromFile(ST_VERTEX_SHADER, _VertexShader.string().c_str(), _VertexShaderEntry) == false)
{
Error(0, "failed to create vertex shader: '" + _VertexShader.string() + "'");
pProgram->Release();
return nullptr;
}
if(_PixelShader != "" && pProgram->AttachShaderFromFile(ST_PIXEL_SHADER, _PixelShader.string().c_str(), _PixelShaderEntry) == false)
{
Error(0, "Failed to create pixel shader: '" + _PixelShader.string() + "'");
pProgram->Release();
return nullptr;
}
if(_GeometryShader != "" && pProgram->AttachShaderFromFile(ST_GEOMETRY_SHADER, _GeometryShader.string().c_str(), _GeometryShaderEntry) == false)
{
Error(0, "Failed to create geometry shader: '" + _GeometryShader.string() + "'");
pProgram->Release();
return nullptr;
}
if(false == pProgram->Link())
{
pProgram->Release();
return nullptr;
}
MaterialPassPtr pPass = std::make_shared<MaterialPass>(m_name, pGraphics);
pPass->AttachProgram(pProgram);
for(auto v : _SamplerLink)
{
SamplerStateParserPtr pParser = std::dynamic_pointer_cast<SamplerStateParser>(FindSymbol(v.second, false));
if(pParser == nullptr)
{
assert(0);
continue;
}
if(pProgram->FindParameterByName(v.first.c_str()) == -1)
{
Error(0, "sampler name not found: '" + v.first + "'");
continue;
}
pPass->AddSamplerLink(v.first, pParser->CreateObject(pGraphics));
}
RenderStateParserPtr pRSParser = std::dynamic_pointer_cast<RenderStateParser>(FindSymbol(_RenderState, false));
if(pRSParser)
{
pPass->AttachRenderState(pRSParser->CreateObject(pGraphics));
}
else
{
pPass->AttachRenderState(pGraphics->CreateRenderState());
}
return pPass;
}