| 26 | using namespace donut::engine; |
| 27 | |
| 28 | MaterialBindingCache::MaterialBindingCache( |
| 29 | nvrhi::IDevice* device, |
| 30 | nvrhi::ShaderType shaderType, |
| 31 | uint32_t registerSpace, |
| 32 | bool registerSpaceIsDescriptorSet, |
| 33 | const std::vector<MaterialResourceBinding>& bindings, |
| 34 | nvrhi::ISampler* sampler, |
| 35 | nvrhi::ITexture* fallbackTexture, |
| 36 | bool trackLiveness) |
| 37 | : m_Device(device) |
| 38 | , m_BindingDesc(bindings) |
| 39 | , m_FallbackTexture(fallbackTexture) |
| 40 | , m_Sampler(sampler) |
| 41 | , m_TrackLiveness(trackLiveness) |
| 42 | { |
| 43 | nvrhi::BindingLayoutDesc layoutDesc; |
| 44 | layoutDesc.visibility = shaderType; |
| 45 | layoutDesc.registerSpace = registerSpace; |
| 46 | layoutDesc.registerSpaceIsDescriptorSet = registerSpaceIsDescriptorSet; |
| 47 | |
| 48 | for (const auto& item : bindings) |
| 49 | { |
| 50 | nvrhi::BindingLayoutItem layoutItem{}; |
| 51 | layoutItem.slot = item.slot; |
| 52 | layoutItem.size = 1; |
| 53 | |
| 54 | switch (item.resource) |
| 55 | { |
| 56 | case MaterialResource::ConstantBuffer: |
| 57 | layoutItem.type = nvrhi::ResourceType::ConstantBuffer; |
| 58 | break; |
| 59 | case MaterialResource::DiffuseTexture: |
| 60 | case MaterialResource::SpecularTexture: |
| 61 | case MaterialResource::NormalTexture: |
| 62 | case MaterialResource::EmissiveTexture: |
| 63 | case MaterialResource::OcclusionTexture: |
| 64 | case MaterialResource::TransmissionTexture: |
| 65 | case MaterialResource::OpacityTexture: |
| 66 | layoutItem.type = nvrhi::ResourceType::Texture_SRV; |
| 67 | break; |
| 68 | case MaterialResource::Sampler: |
| 69 | layoutItem.type = nvrhi::ResourceType::Sampler; |
| 70 | break; |
| 71 | default: |
| 72 | log::error("MaterialBindingCache: unknown MaterialResource value (%d)", item.resource); |
| 73 | return; |
| 74 | } |
| 75 | |
| 76 | layoutDesc.bindings.push_back(layoutItem); |
| 77 | } |
| 78 | |
| 79 | m_BindingLayout = m_Device->createBindingLayout(layoutDesc); |
| 80 | } |
| 81 | |
| 82 | nvrhi::IBindingLayout* donut::engine::MaterialBindingCache::GetLayout() const |
| 83 | { |