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// Copyright 2018 The SwiftShader Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef VK_PIPELINE_LAYOUT_HPP_
#define VK_PIPELINE_LAYOUT_HPP_
#include "VkConfig.hpp"
#include "VkDescriptorSetLayout.hpp"
namespace vk {
class PipelineLayout : public Object<PipelineLayout, VkPipelineLayout>
{
public:
PipelineLayout(const VkPipelineLayoutCreateInfo *pCreateInfo, void *mem);
void destroy(const VkAllocationCallbacks *pAllocator);
bool release(const VkAllocationCallbacks *pAllocator);
static size_t ComputeRequiredAllocationSize(const VkPipelineLayoutCreateInfo *pCreateInfo);
size_t getDescriptorSetCount() const;
uint32_t getBindingCount(uint32_t setNumber) const;
// Returns the index into the pipeline's dynamic offsets array for
// the given descriptor set and binding number.
uint32_t getDynamicOffsetIndex(uint32_t setNumber, uint32_t bindingNumber) const;
uint32_t getDescriptorCount(uint32_t setNumber, uint32_t bindingNumber) const;
uint32_t getBindingOffset(uint32_t setNumber, uint32_t bindingNumber) const;
VkDescriptorType getDescriptorType(uint32_t setNumber, uint32_t bindingNumber) const;
uint32_t getDescriptorSize(uint32_t setNumber, uint32_t bindingNumber) const;
bool isDescriptorDynamic(uint32_t setNumber, uint32_t bindingNumber) const;
const uint32_t identifier;
uint32_t incRefCount();
uint32_t decRefCount();
private:
struct Binding
{
VkDescriptorType descriptorType;
uint32_t offset; // Offset in bytes in the descriptor set data.
uint32_t dynamicOffsetIndex;
uint32_t descriptorCount;
};
struct DescriptorSet
{
Binding *bindings;
uint32_t bindingCount;
};
DescriptorSet descriptorSets[MAX_BOUND_DESCRIPTOR_SETS];
const uint32_t descriptorSetCount = 0;
const uint32_t pushConstantRangeCount = 0;
VkPushConstantRange *pushConstantRanges = nullptr;
std::atomic<uint32_t> refCount{ 0 };
};
static inline PipelineLayout *Cast(VkPipelineLayout object)
{
return PipelineLayout::Cast(object);
}
} // namespace vk
#endif // VK_PIPELINE_LAYOUT_HPP_