1 // Copyright 2017 The Dawn Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef DAWNNATIVE_D3D12_BINDGROUPLAYOUTD3D12_H_ 16 #define DAWNNATIVE_D3D12_BINDGROUPLAYOUTD3D12_H_ 17 18 #include "dawn_native/BindGroupLayout.h" 19 20 #include "dawn_native/d3d12/d3d12_platform.h" 21 22 namespace dawn_native { namespace d3d12 { 23 24 class Device; 25 26 class BindGroupLayout : public BindGroupLayoutBase { 27 public: 28 BindGroupLayout(Device* device, const BindGroupLayoutDescriptor* descriptor); 29 30 enum DescriptorType { 31 CBV, 32 UAV, 33 SRV, 34 Sampler, 35 Count, 36 }; 37 38 const std::array<uint32_t, kMaxBindingsPerGroup>& GetBindingOffsets() const; 39 uint32_t GetCbvUavSrvDescriptorTableSize() const; 40 uint32_t GetSamplerDescriptorTableSize() const; 41 uint32_t GetCbvUavSrvDescriptorCount() const; 42 uint32_t GetSamplerDescriptorCount() const; 43 const D3D12_DESCRIPTOR_RANGE* GetCbvUavSrvDescriptorRanges() const; 44 const D3D12_DESCRIPTOR_RANGE* GetSamplerDescriptorRanges() const; 45 46 private: 47 std::array<uint32_t, kMaxBindingsPerGroup> mBindingOffsets; 48 std::array<uint32_t, DescriptorType::Count> mDescriptorCounts; 49 D3D12_DESCRIPTOR_RANGE mRanges[DescriptorType::Count]; 50 }; 51 52 }} // namespace dawn_native::d3d12 53 54 #endif // DAWNNATIVE_D3D12_BINDGROUPLAYOUTD3D12_H_ 55