PipelineSDF.hpp

// Copyright 2019 Pokitec
// All rights reserved.
 
#pragma once
 
#include "TTauri/GUI/Pipeline_vulkan.hpp"
#include "TTauri/GUI/PipelineSDF_PushConstants.hpp"
#include "TTauri/GUI/PipelineSDF_Vertex.hpp"
#include "TTauri/GUI/globals.hpp"
#include "TTauri/GUI/GUIDevice_forward.hpp"
#include "TTauri/Foundation/vspan.hpp"
#include <vma/vk_mem_alloc.h>
#include <nonstd/span>
 
namespace tt::PipelineSDF {
 
class PipelineSDF : public Pipeline_vulkan {
public:
    vspan<Vertex> vertexBufferData;
 
    PipelineSDF(Window const &window);
    ~PipelineSDF() {};
 
    PipelineSDF(const PipelineSDF &) = delete;
    PipelineSDF &operator=(const PipelineSDF &) = delete;
    PipelineSDF(PipelineSDF &&) = delete;
    PipelineSDF &operator=(PipelineSDF &&) = delete;
 
    void drawInCommandBuffer(vk::CommandBuffer commandBuffer) override;
 
protected:
    PushConstants pushConstants;
    int numberOfAtlasImagesInDescriptor = 0;
 
    vk::Buffer vertexBuffer;
    VmaAllocation vertexBufferAllocation;
 
    std::vector<vk::PipelineShaderStageCreateInfo> createShaderStages() const override;
    std::vector<vk::DescriptorSetLayoutBinding> createDescriptorSetLayoutBindings() const override;
    std::vector<vk::WriteDescriptorSet> createWriteDescriptorSet() const override;
    ssize_t getDescriptorSetVersion() const override;
    std::vector<vk::PushConstantRange> createPushConstantRanges() const override;
    vk::VertexInputBindingDescription createVertexInputBindingDescription() const override;
    std::vector<vk::VertexInputAttributeDescription> createVertexInputAttributeDescriptions() const override;
    std::vector<vk::PipelineColorBlendAttachmentState> getPipelineColorBlendAttachmentStates() const override;
 
private:
    void buildVertexBuffers() override;
    void teardownVertexBuffers() override;
};
 
}