xst_astring CCGShaderSystem::CreateShaderCode(u32 uiVSInput, u32 uiPSInput)
{
xst_astring strCode;
strCode.reserve( 1024 );
//strCode += GetShaderCode( ShaderCodes::PER_FRAME_CBUFFER ) + xst_endl;
//strCode += GetShaderCode( ShaderCodes::PER_OBJECT_CBUFFER ) + xst_endl;
//Vertex shader
xst_stringstream ssVS;
ssVS<< "struct VS_INPUT{" << xst_endl
<< " float4 pos : POSITION;" << xst_endl
<< GetShaderCode( ShaderCodes::PER_FRAME_VS_CBUFFER ) << xst_endl
<< GetShaderCode( ShaderCodes::PER_DRAWCALL_VS_CBUFFER ) << xst_endl;
if( uiVSInput & ILE::COLOR )
{
ssVS << " float4 color : COLOR0;" << xst_endl;
}
ssVS<< "};" << xst_endl
<< "struct PS_INPUT{" << xst_endl
<< " float4 pos : SV_POSITION" << xst_endl;
if( uiPSInput & ILE::COLOR )
{
ssVS << " float4 color : COLOR0;" << xst_endl;
}
ssVS<< "};" << xst_endl
<< "PS_INPUT vs_main(VS_INPUT In)" << xst_endl
<< "{" << xst_endl
<< " PS_INPUT Out = (PS_INPUT)0;" << xst_endl
<< " Out.pos = mul( In.pos, " << GetConstantName( ShaderConstants::MTX_OBJ_WORLD_VIEW_PROJECTION ) << " );" <<xst_endl
<< " Out.color = In.color;" << xst_endl
<< " return Out;" << xst_endl
<< "}" << xst_endl;
strCode += ssVS.str() + xst_endl;
xst_stringstream ssPS;
ssPS<< "float4 ps_main(PS_INPUT In) : COLOR" << xst_endl
<< "{" << xst_endl
<< " return In.color;" << xst_endl
<< "}";
strCode += ssPS.str();
return strCode;
}
void CGLShader::Load(std::string &&filename)
{
std::string shaderCode = GetShaderCode(filename);
GLint length = shaderCode.size();
m_shader = glCreateShader(m_shaderType);
const char *code = shaderCode.c_str();
glShaderSource(m_shader, 1, &code, &length);
}
eMaterialShaderParamType MaterialShader::GetShaderOutputType() const {
std::vector<MaterialShaderParameter> params;
eMaterialShaderParamType ret;
ExtractShaderParameters(GetShaderCode(), "main", ret, params);
return ret;
}
