pipeline_alpha.hpp

// Copyright Take Vos 2022.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt)
 
#pragma once
 
#include "pipeline_vulkan.hpp"
#include "pipeline_alpha_push_constants.hpp"
#include "pipeline_alpha_vertex.hpp"
#include "../vector_span.hpp"
#include <vma/vk_mem_alloc.h>
#include <span>
 
namespace hi::inline v1::pipeline_alpha {

class pipeline_alpha : public pipeline_vulkan {
public:
    std::span<vertex> vertexBufferData;
 
    pipeline_alpha(gfx_surface const &surface);
    ~pipeline_alpha(){};
 
    pipeline_alpha(const pipeline_alpha &) = delete;
    pipeline_alpha &operator=(const pipeline_alpha &) = delete;
    pipeline_alpha(pipeline_alpha &&) = delete;
    pipeline_alpha &operator=(pipeline_alpha &&) = delete;
 
    void draw_in_command_buffer(vk::CommandBuffer commandBuffer, gfx_draw_context const& context) override;
 
protected:
    push_constants pushConstants;
 
    vk::Buffer vertexBuffer;
    VmaAllocation vertexBufferAllocation;
 
    std::vector<vk::PipelineColorBlendAttachmentState> getPipelineColorBlendAttachmentStates() const override;
    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;
 
private:
    void build_vertex_buffers() override;
    void teardown_vertex_buffers() override;
};
 
} // namespace hi::inline v1::pipeline_alpha