lsfg-vk/lsfg-vk-v3.1/include/shaders/delta.hpp
2025-07-10 02:12:58 +02:00

79 lines
2.6 KiB
C++

#pragma once
#include "core/buffer.hpp"
#include "core/commandbuffer.hpp"
#include "core/descriptorset.hpp"
#include "core/image.hpp"
#include "core/pipeline.hpp"
#include "core/sampler.hpp"
#include "core/shadermodule.hpp"
#include "utils/utils.hpp"
#include <array>
#include <cstdint>
#include <optional>
#include <vector>
namespace LSFG::Shaders {
///
/// Delta shader.
///
class Delta {
public:
Delta() = default;
///
/// Initialize the shaderchain.
///
/// @param inImgs1 Three sets of four RGBA images, corresponding to a frame count % 3.
/// @param inImg2 Second Input image
/// @param optImg1 Optional image for non-first passes.
/// @param optImg2 Second optional image for non-first passes.
/// @param optImg3 Third optional image for non-first passes.
///
/// @throws LSFG::vulkan_error if resource creation fails.
///
Delta(Vulkan& vk, std::array<std::array<Core::Image, 4>, 3> inImgs1,
Core::Image inImg2,
std::optional<Core::Image> optImg1,
std::optional<Core::Image> optImg2,
std::optional<Core::Image> optImg3);
///
/// Dispatch the shaderchain.
///
void Dispatch(const Core::CommandBuffer& buf, uint64_t frameCount, uint64_t pass_idx);
/// Get the first output image
[[nodiscard]] const auto& getOutImage1() const { return this->outImg1; }
/// Get the second output image
[[nodiscard]] const auto& getOutImage2() const { return this->outImg2; }
/// Trivially copyable, moveable and destructible
Delta(const Delta&) noexcept = default;
Delta& operator=(const Delta&) noexcept = default;
Delta(Delta&&) noexcept = default;
Delta& operator=(Delta&&) noexcept = default;
~Delta() = default;
private:
std::array<Core::ShaderModule, 10> shaderModules;
std::array<Core::Pipeline, 10> pipelines;
std::array<Core::Sampler, 3> samplers;
struct DeltaPass {
Core::Buffer buffer;
std::array<Core::DescriptorSet, 3> firstDescriptorSet;
std::array<Core::DescriptorSet, 8> descriptorSets;
std::array<Core::DescriptorSet, 3> sixthDescriptorSet;
};
std::vector<DeltaPass> passes;
std::array<std::array<Core::Image, 4>, 3> inImgs1;
Core::Image inImg2;
std::optional<Core::Image> optImg1, optImg2, optImg3;
std::array<Core::Image, 4> tempImgs1;
std::array<Core::Image, 4> tempImgs2;
Core::Image outImg1, outImg2;
};
}