IOGLBaseShader::IOGLBaseShader(CRefPtr<COGLDevice> pDevice, const Graphic::ShaderType uType, const Graphic::ShaderVersion uVersion, CGenum uSourceType, CGprofile uProfile, const CString& strSource, const CString& strEntryPoint) :
m_uVersion(uVersion),
m_uType(uType),
m_uProgram(0),
m_bBinded(false),
Manage::IManagedObject<COGLDevice, IOGLBaseShader>(pDevice)
{
if(!cgIsProfileSupported(uProfile)){
throw Exception::CInvalidArgumentException(L"uProfile", String::FromANSI(reinterpret_cast<const int8*>(cgGetProfileString(uProfile))),
L"Unsupported shader profile.", CR_INFO());
}
auto szSource = String::ToANSI(strSource);
auto szEntryPoint = String::ToANSI(strEntryPoint);
this->m_uProgram = cgCreateProgram(this->GetParent()->GetCGC().Get(), uSourceType, reinterpret_cast<const char*>(szSource.GetPointer()), uProfile, reinterpret_cast<const char*>(szEntryPoint.GetPointer()), 0);
if(!cgIsProgram(this->m_uProgram)){
CR_THROW(L"Failed to create shader program.");
}
cgCompileProgram(this->m_uProgram);
if(!cgIsProgramCompiled(this->m_uProgram)){
CR_THROW(L"Failed to compile program.");
}
cgGLLoadProgram(this->m_uProgram);
}
void CGShader::init(const char *filename, const char *funcname, const char **options)
{
char* gpopt[3]={0,"-profileopts Vertices=16",0};
assert(cgIsContext(*m_pCgContext));
//if (*m_pCGProfile == cgGLGetLatestProfile(CG_GL_GEOMETRY)){
// options = &gpopt[0];
//}
m_program = cgCreateProgramFromFile(*m_pCgContext, CG_SOURCE, filename, *m_pCGProfile, funcname, (const char**)gpopt);
if (!cgIsProgramCompiled(m_program))
cgCompileProgram(m_program);
cgGLLoadProgram(m_program);
}
void cgtk::load_fragment_program(CGprogram &f_program,char *shader_path, char *program_name)
{
assert(cgIsContext(context));
f_program = cgCreateProgramFromFile(context, CG_SOURCE, shader_path,
fragmentProfile,program_name, NULL);
if (!cgIsProgramCompiled(f_program))
cgCompileProgram(f_program);
cgGLEnableProfile(fragmentProfile);
cgGLLoadProgram(f_program);
cgGLDisableProfile(fragmentProfile);
}
void cgtk::load_vertex_program(CGprogram &v_program,char *shader_path, char *program_name)
{
assert(cgIsContext(context));
v_program = cgCreateProgramFromFile(context, CG_SOURCE,shader_path,
vertexProfile,program_name, NULL);
if (!cgIsProgramCompiled(v_program))
cgCompileProgram(v_program);
cgGLEnableProfile(vertexProfile);
cgGLLoadProgram(v_program);
cgGLDisableProfile(vertexProfile);
}