bool Shader::PostLinkage()
{
GLint success;
glGetProgramiv(m_program, GL_LINK_STATUS, &success);
m_linked = (success == GL_TRUE);
if (m_linked)
{
// Pour éviter de se tromper entre le nom et la constante
#define CacheUniform(name) m_uniformLocations[ShaderUniform_##name] = glGetUniformLocation(m_program, #name)
CacheUniform(InvProjMatrix);
CacheUniform(InvTargetSize);
CacheUniform(InvViewMatrix);
CacheUniform(InvViewProjMatrix);
CacheUniform(InvWorldMatrix);
CacheUniform(InvWorldViewMatrix);
CacheUniform(InvWorldViewProjMatrix);
CacheUniform(ProjMatrix);
CacheUniform(TargetSize);
CacheUniform(ViewMatrix);
CacheUniform(ViewProjMatrix);
CacheUniform(WorldMatrix);
CacheUniform(WorldViewMatrix);
CacheUniform(WorldViewProjMatrix);
#undef CacheUniform
OnShaderUniformInvalidated(this);
return true;
}
else
{
NazaraError("Failed to link shader: " + GetLog());
return false;
}
}
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
}
