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82 lines
2.7 KiB
C++
82 lines
2.7 KiB
C++
#ifndef ALPHA_HPP
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#define ALPHA_HPP
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#include "pool/shaderpool.hpp"
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#include "core/commandbuffer.hpp"
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#include "core/descriptorpool.hpp"
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#include "core/descriptorset.hpp"
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#include "core/image.hpp"
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#include "core/pipeline.hpp"
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#include "core/shadermodule.hpp"
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#include "core/device.hpp"
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#include <array>
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namespace LSFG::Shaderchains {
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///
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/// Shader chain alpha.
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///
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/// Takes an 8-bit R image creates four quarter-sized 8-bit RGBA images.
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///
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class Alpha {
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public:
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Alpha() = default;
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///
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/// Initialize the shaderchain.
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///
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/// @param device The Vulkan device to create the resources on.
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/// @param shaderpool The shader pool to use for shader modules.
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/// @param pool The descriptor pool to allocate in.
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/// @param inImg The input image to process
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///
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/// @throws LSFG::vulkan_error if resource creation fails.
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///
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Alpha(const Core::Device& device, Pool::ShaderPool& shaderpool,
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const Core::DescriptorPool& pool,
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Core::Image inImg);
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///
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/// Dispatch the shaderchain.
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///
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/// @param buf The command buffer to use for dispatching.
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/// @param fc The frame count, used to determine which output images to write to.
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///
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/// @throws std::logic_error if the command buffer is not recording.
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///
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void Dispatch(const Core::CommandBuffer& buf, uint64_t fc);
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/// Get the output images written to when fc % 3 == 0
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[[nodiscard]] const auto& getOutImages0() const { return this->outImgs_0; }
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/// Get the output images written to when fc % 3 == 1
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[[nodiscard]] const auto& getOutImages1() const { return this->outImgs_1; }
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/// Get the output images written to when fc % 3 == 2
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[[nodiscard]] const auto& getOutImages2() const { return this->outImgs_2; }
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/// Trivially copyable, moveable and destructible
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Alpha(const Alpha&) noexcept = default;
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Alpha& operator=(const Alpha&) noexcept = default;
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Alpha(Alpha&&) noexcept = default;
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Alpha& operator=(Alpha&&) noexcept = default;
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~Alpha() = default;
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private:
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std::array<Core::ShaderModule, 4> shaderModules;
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std::array<Core::Pipeline, 4> pipelines;
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std::array<Core::DescriptorSet, 3> descriptorSets; // last shader is special
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std::array<Core::DescriptorSet, 3> specialDescriptorSets;
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Core::Image inImg;
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std::array<Core::Image, 2> tempImgs1;
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std::array<Core::Image, 2> tempImgs2;
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std::array<Core::Image, 4> tempImgs3;
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std::array<Core::Image, 4> outImgs_0;
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std::array<Core::Image, 4> outImgs_1;
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std::array<Core::Image, 4> outImgs_2;
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};
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}
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#endif // ALPHA_HPP
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