NzColorBackground::NzColorBackground(const NzColor& color) :
m_color(color)
{
m_uberShader = NzUberShaderLibrary::Get("Basic");
NzParameterList list;
list.SetParameter("UNIFORM_VERTEX_DEPTH", true);
m_uberShaderInstance = m_uberShader->Get(list);
const NzShader* shader = m_uberShaderInstance->GetShader();
m_materialDiffuseUniform = shader->GetUniformLocation("MaterialDiffuse");
m_vertexDepthUniform = shader->GetUniformLocation("VertexDepth");
}
NzTextureBackground::NzTextureBackground()
{
m_uberShader = NzUberShaderLibrary::Get("Basic");
NzParameterList list;
list.SetParameter("DIFFUSE_MAPPING", true);
list.SetParameter("TEXTURE_MAPPING", true);
list.SetParameter("UNIFORM_VERTEX_DEPTH", true);
m_uberShaderInstance = m_uberShader->Get(list);
const NzShader* shader = m_uberShaderInstance->GetShader();
m_materialDiffuseUniform = shader->GetUniformLocation("MaterialDiffuse");
m_materialDiffuseMapUniform = shader->GetUniformLocation("MaterialDiffuseMap");
m_vertexDepthUniform = shader->GetUniformLocation("VertexDepth");
}
void NzMaterial::GenerateShader(nzUInt32 flags) const
{
NzParameterList list;
list.SetParameter("ALPHA_MAPPING", m_alphaMap.IsValid());
list.SetParameter("ALPHA_TEST", m_alphaTestEnabled);
list.SetParameter("COMPUTE_TBNMATRIX", m_normalMap.IsValid() || m_heightMap.IsValid());
list.SetParameter("DIFFUSE_MAPPING", m_diffuseMap.IsValid());
list.SetParameter("EMISSIVE_MAPPING", m_emissiveMap.IsValid());
list.SetParameter("LIGHTING", m_lightingEnabled);
list.SetParameter("NORMAL_MAPPING", m_normalMap.IsValid());
list.SetParameter("PARALLAX_MAPPING", m_heightMap.IsValid());
list.SetParameter("SPECULAR_MAPPING", m_specularMap.IsValid());
list.SetParameter("TEXTURE_MAPPING", m_alphaMap.IsValid() || m_diffuseMap.IsValid() || m_emissiveMap.IsValid() ||
m_normalMap.IsValid() || m_heightMap.IsValid() || m_specularMap.IsValid());
list.SetParameter("TRANSFORM", m_transformEnabled);
list.SetParameter("FLAG_DEFERRED", static_cast<bool>((flags & nzShaderFlags_Deferred) != 0));
list.SetParameter("FLAG_INSTANCING", static_cast<bool>((flags & nzShaderFlags_Instancing) != 0));
ShaderInstance& instance = m_shaders[flags];
instance.uberInstance = m_uberShader->Get(list);
instance.shader = instance.uberInstance->GetShader();
#define CacheUniform(name) instance.uniforms[nzMaterialUniform_##name] = instance.shader->GetUniformLocation("Material" #name)
CacheUniform(AlphaMap);
CacheUniform(AlphaThreshold);
CacheUniform(Ambient);
CacheUniform(Diffuse);
CacheUniform(DiffuseMap);
CacheUniform(EmissiveMap);
CacheUniform(HeightMap);
CacheUniform(NormalMap);
CacheUniform(Shininess);
CacheUniform(Specular);
CacheUniform(SpecularMap);
#undef CacheUniform
}
