1 /* 2 * Copyright 2021 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 skgpu_graphite_Attribute_DEFINED 9 #define skgpu_graphite_Attribute_DEFINED 10 11 #include "include/private/base/SkAlign.h" 12 #include "src/core/SkSLTypeShared.h" 13 #include "src/gpu/graphite/DrawTypes.h" 14 15 namespace skgpu::graphite { 16 17 /** Describes a vertex or instance attribute. */ 18 class Attribute { 19 public: 20 constexpr Attribute() = default; Attribute(const char * name,VertexAttribType cpuType,SkSLType gpuType)21 constexpr Attribute(const char* name, 22 VertexAttribType cpuType, 23 SkSLType gpuType) 24 : fName(name), fCPUType(cpuType), fGPUType(gpuType) { 25 SkASSERT(name && gpuType != SkSLType::kVoid); 26 } 27 constexpr Attribute(const Attribute&) = default; 28 29 Attribute& operator=(const Attribute&) = default; 30 isInitialized()31 constexpr bool isInitialized() const { return fGPUType != SkSLType::kVoid; } 32 name()33 constexpr const char* name() const { return fName; } cpuType()34 constexpr VertexAttribType cpuType() const { return fCPUType; } gpuType()35 constexpr SkSLType gpuType() const { return fGPUType; } 36 size()37 constexpr size_t size() const { return VertexAttribTypeSize(fCPUType); } sizeAlign4()38 constexpr size_t sizeAlign4() const { return SkAlign4(this->size()); } 39 40 private: 41 const char* fName = nullptr; 42 VertexAttribType fCPUType = VertexAttribType::kFloat; 43 SkSLType fGPUType = SkSLType::kVoid; 44 }; 45 46 } // namespace skgpu::graphite 47 48 #endif // skgpu_graphite_Attribute_DEFINED 49