1 /* 2 * Copyright 2020 Google LLC 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #ifndef GrD3DRootSignature_DEFINED 9 #define GrD3DRootSignature_DEFINED 10 11 #include "include/gpu/d3d/GrD3DTypes.h" 12 #include "src/gpu/GrManagedResource.h" 13 14 class GrD3DGpu; 15 16 class GrD3DRootSignature : public GrManagedResource { 17 public: 18 static sk_sp<GrD3DRootSignature> Make(GrD3DGpu* gpu, int numTextureSamplers, int numUAVs); 19 20 enum class ParamIndex { 21 kConstantBufferView = 0, 22 kShaderViewDescriptorTable = 1, 23 kSamplerDescriptorTable = 2, 24 25 kLast = kSamplerDescriptorTable 26 }; 27 static constexpr unsigned int kParamIndexCount = (unsigned int)(ParamIndex::kLast) + 1; 28 29 bool isCompatible(int numTextureSamplers, int numUAVs) const; 30 rootSignature()31 ID3D12RootSignature* rootSignature() const { return fRootSignature.get(); } 32 33 #ifdef SK_TRACE_MANAGED_RESOURCES 34 /** Output a human-readable dump of this resource's information 35 */ dumpInfo()36 void dumpInfo() const override { 37 SkDebugf("GrD3DRootSignature: %p, numTextures: %d (%d refs)\n", 38 fRootSignature.get(), fNumTextureSamplers, this->getRefCnt()); 39 } 40 #endif 41 42 private: 43 GrD3DRootSignature(gr_cp<ID3D12RootSignature> rootSig, int numTextureSamplers, int numUAVs); 44 45 // This will be called right before this class is destroyed and there is no reason to explicitly 46 // release the fRootSignature cause the gr_cp will handle that in the dtor. freeGPUData()47 void freeGPUData() const override {} 48 49 gr_cp<ID3D12RootSignature> fRootSignature; 50 int fNumTextureSamplers; 51 int fNumUAVs; 52 }; 53 54 #endif 55