1 // Copyright 2018 The SwiftShader Authors. All Rights Reserved. 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 VK_BUFFER_VIEW_HPP_ 16 #define VK_BUFFER_VIEW_HPP_ 17 18 #include "VkFormat.hpp" 19 #include "VkImageView.hpp" 20 #include "VkObject.hpp" 21 22 namespace vk { 23 24 class Buffer; 25 26 class BufferView : public Object<BufferView, VkBufferView> 27 { 28 public: 29 BufferView(const VkBufferViewCreateInfo *pCreateInfo, void *mem); 30 ComputeRequiredAllocationSize(const VkBufferViewCreateInfo * pCreateInfo)31 static size_t ComputeRequiredAllocationSize(const VkBufferViewCreateInfo *pCreateInfo) 32 { 33 return 0; 34 } 35 36 void *getPointer() const; getElementCount() const37 uint32_t getElementCount() const { return static_cast<uint32_t>(range / Format(format).bytes()); } getRangeInBytes() const38 uint32_t getRangeInBytes() const { return static_cast<uint32_t>(range); } getFormat() const39 VkFormat getFormat() const { return format; } 40 41 const Identifier id; 42 43 private: 44 Buffer *buffer; 45 VkFormat format; 46 VkDeviceSize offset; 47 VkDeviceSize range; 48 }; 49 Cast(VkBufferView object)50static inline BufferView *Cast(VkBufferView object) 51 { 52 return BufferView::Cast(object); 53 } 54 55 } // namespace vk 56 57 #endif // VK_BUFFER_VIEW_HPP_ 58