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_RENDER_PASS_HPP_ 16 #define VK_RENDER_PASS_HPP_ 17 18 #include "VkObject.hpp" 19 20 #include <vector> 21 22 namespace vk { 23 24 class RenderPass : public Object<RenderPass, VkRenderPass> 25 { 26 public: 27 RenderPass(const VkRenderPassCreateInfo *pCreateInfo, void *mem); 28 RenderPass(const VkRenderPassCreateInfo2KHR *pCreateInfo, void *mem); 29 void destroy(const VkAllocationCallbacks *pAllocator); 30 31 static size_t ComputeRequiredAllocationSize(const VkRenderPassCreateInfo *pCreateInfo); 32 static size_t ComputeRequiredAllocationSize(const VkRenderPassCreateInfo2KHR *pCreateInfo); 33 34 void getRenderAreaGranularity(VkExtent2D *pGranularity) const; 35 getAttachmentCount() const36 uint32_t getAttachmentCount() const 37 { 38 return attachmentCount; 39 } 40 getAttachment(uint32_t attachmentIndex) const41 VkAttachmentDescription getAttachment(uint32_t attachmentIndex) const 42 { 43 return attachments[attachmentIndex]; 44 } 45 getSubpassCount() const46 uint32_t getSubpassCount() const 47 { 48 return subpassCount; 49 } 50 getSubpass(uint32_t subpassIndex) const51 VkSubpassDescription const &getSubpass(uint32_t subpassIndex) const 52 { 53 return subpasses[subpassIndex]; 54 } 55 getDependencyCount() const56 uint32_t getDependencyCount() const 57 { 58 return dependencyCount; 59 } 60 getDependency(uint32_t i) const61 VkSubpassDependency getDependency(uint32_t i) const 62 { 63 return dependencies[i]; 64 } 65 isAttachmentUsed(uint32_t i) const66 bool isAttachmentUsed(uint32_t i) const 67 { 68 return attachmentFirstUse[i] >= 0; 69 } 70 getViewMask(uint32_t subpassIndex) const71 uint32_t getViewMask(uint32_t subpassIndex) const 72 { 73 return viewMasks ? viewMasks[subpassIndex] : 1; 74 } 75 isMultiView() const76 bool isMultiView() const 77 { 78 return viewMasks != nullptr; 79 } 80 getAttachmentViewMask(uint32_t attachmentIndex) const81 uint32_t getAttachmentViewMask(uint32_t attachmentIndex) const 82 { 83 return attachmentViewMasks[attachmentIndex]; 84 } 85 86 private: 87 uint32_t attachmentCount = 0; 88 VkAttachmentDescription *attachments = nullptr; 89 uint32_t subpassCount = 0; 90 VkSubpassDescription *subpasses = nullptr; 91 uint32_t dependencyCount = 0; 92 VkSubpassDependency *dependencies = nullptr; 93 int *attachmentFirstUse = nullptr; 94 uint32_t *viewMasks = nullptr; 95 uint32_t *attachmentViewMasks = nullptr; 96 97 void MarkFirstUse(int attachment, int subpass); 98 template<class T> 99 void init(const T *pCreateInfo, void *mem); 100 }; 101 Cast(VkRenderPass object)102static inline RenderPass *Cast(VkRenderPass object) 103 { 104 return RenderPass::Cast(object); 105 } 106 107 } // namespace vk 108 109 #endif // VK_RENDER_PASS_HPP_