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_PIPELINE_LAYOUT_HPP_
16#define VK_PIPELINE_LAYOUT_HPP_
17
18#include "VkDescriptorSetLayout.hpp"
19
20namespace vk
21{
22
23class PipelineLayout : public Object<PipelineLayout, VkPipelineLayout>
24{
25public:
26 PipelineLayout(const VkPipelineLayoutCreateInfo* pCreateInfo, void* mem);
27 void destroy(const VkAllocationCallbacks* pAllocator);
28
29 static size_t ComputeRequiredAllocationSize(const VkPipelineLayoutCreateInfo* pCreateInfo);
30
31 size_t getNumDescriptorSets() const;
32 DescriptorSetLayout const* getDescriptorSetLayout(size_t descriptorSet) const;
33
34 // Returns the starting index into the pipeline's dynamic offsets array for
35 // the given descriptor set.
36 uint32_t getDynamicOffsetBase(size_t descriptorSet) const;
37
38private:
39 uint32_t setLayoutCount = 0;
40 DescriptorSetLayout** setLayouts = nullptr;
41 uint32_t pushConstantRangeCount = 0;
42 VkPushConstantRange* pushConstantRanges = nullptr;
43 uint32_t* dynamicOffsetBases = nullptr; // Base offset per set layout.
44};
45
46static inline PipelineLayout* Cast(VkPipelineLayout object)
47{
48 return PipelineLayout::Cast(object);
49}
50
51} // namespace vk
52
53#endif // VK_PIPELINE_LAYOUT_HPP_
54