//==============================================================================
Error Material::populateVariables(const MaterialProgramCreator& loader)
{
Error err = ErrorCode::NONE;
U varCount = 0;
for(const auto& in : loader.getInputVariables())
{
if(!in.m_constant)
{
++varCount;
}
}
ANKI_CHECK(m_vars.create(m_resources->_getAllocator(), varCount));
varCount = 0;
for(const auto& in : loader.getInputVariables())
{
if(in.m_constant)
{
continue;
}
MaterialVariable* mtlvar = nullptr;
switch(in.m_type)
{
// samplers
case ShaderVariableDataType::SAMPLER_2D:
case ShaderVariableDataType::SAMPLER_CUBE:
{
TextureResourcePointer tp;
if(in.m_value.getSize() > 0)
{
ANKI_CHECK(tp.load(
in.m_value.getBegin()->toCString(), m_resources));
}
auto alloc = m_resources->_getAllocator();
MaterialVariableTemplate<TextureResourcePointer>* tvar =
alloc.newInstance<
MaterialVariableTemplate<TextureResourcePointer>>();
if(tvar)
{
err = tvar->create(alloc, in.m_name.toCString(), &tp, 1);
if(err)
{
alloc.deleteInstance(tvar);
tvar = nullptr;
}
}
mtlvar = tvar;
}
break;
case ShaderVariableDataType::FLOAT:
mtlvar = MaterialVariableTemplate<F32>::_newInstance(in,
m_resources->_getAllocator(), m_resources->_getTempAllocator());
break;
case ShaderVariableDataType::VEC2:
mtlvar = MaterialVariableTemplate<Vec2>::_newInstance(in,
m_resources->_getAllocator(), m_resources->_getTempAllocator());
break;
case ShaderVariableDataType::VEC3:
mtlvar = MaterialVariableTemplate<Vec3>::_newInstance(in,
m_resources->_getAllocator(), m_resources->_getTempAllocator());
break;
case ShaderVariableDataType::VEC4:
mtlvar = MaterialVariableTemplate<Vec4>::_newInstance(in,
m_resources->_getAllocator(), m_resources->_getTempAllocator());
break;
case ShaderVariableDataType::MAT3:
mtlvar = MaterialVariableTemplate<Mat3>::_newInstance(in,
m_resources->_getAllocator(), m_resources->_getTempAllocator());
break;
case ShaderVariableDataType::MAT4:
mtlvar = MaterialVariableTemplate<Mat4>::_newInstance(in,
m_resources->_getAllocator(), m_resources->_getTempAllocator());
break;
// default is error
default:
ANKI_ASSERT(0);
}
if(mtlvar == nullptr)
{
return ErrorCode::USER_DATA;
}
m_vars[varCount++] = mtlvar;
}
return ErrorCode::NONE;
}
//==============================================================================
void Material::populateVariables(const MaterialProgramCreator& mspc)
{
for(auto in : mspc.getInputVariables())
{
if(in.m_constant)
{
continue;
}
MaterialVariable* mtlvar = nullptr;
const GlProgramVariable* glvar = nullptr;
// Find the input variable in one of the programs
for(const ProgramResourcePointer& progr : m_progs)
{
const GlProgramHandle& prog = progr->getGlProgram();
glvar = prog.tryFindVariable(in.m_name.toCString());
if(glvar)
{
break;
}
}
// Check if variable found
if(glvar == nullptr)
{
throw ANKI_EXCEPTION("Variable not found in "
"at least one program: %s", &in.m_name[0]);
}
switch(glvar->getDataType())
{
// samplers
case GL_SAMPLER_2D:
case GL_SAMPLER_CUBE:
{
TextureResourcePointer tp;
if(in.m_value.size() > 0)
{
tp = TextureResourcePointer(
in.m_value[0].toCString(),
m_resources);
}
auto alloc = m_resources->_getAllocator();
mtlvar = alloc.newInstance<
MaterialVariableTemplate<TextureResourcePointer>>(
glvar, false, &tp, 1, alloc);
}
break;
// F32
case GL_FLOAT:
mtlvar = newMaterialVariable<F32>(*glvar, in,
m_resources->_getAllocator(), m_resources->_getTempAllocator());
break;
// vec2
case GL_FLOAT_VEC2:
mtlvar = newMaterialVariable<Vec2>(*glvar, in,
m_resources->_getAllocator(), m_resources->_getTempAllocator());
break;
// vec3
case GL_FLOAT_VEC3:
mtlvar = newMaterialVariable<Vec3>(*glvar, in,
m_resources->_getAllocator(), m_resources->_getTempAllocator());
break;
// vec4
case GL_FLOAT_VEC4:
mtlvar = newMaterialVariable<Vec4>(*glvar, in,
m_resources->_getAllocator(), m_resources->_getTempAllocator());
break;
// mat3
case GL_FLOAT_MAT3:
mtlvar = newMaterialVariable<Mat3>(*glvar, in,
m_resources->_getAllocator(), m_resources->_getTempAllocator());
break;
// mat4
case GL_FLOAT_MAT4:
mtlvar = newMaterialVariable<Mat4>(*glvar, in,
m_resources->_getAllocator(), m_resources->_getTempAllocator());
break;
// default is error
default:
ANKI_ASSERT(0);
}
m_vars.push_back(mtlvar);
}
}