lsfg-vk/lsfg-vk-gen/include/shaderchains/magic.hpp
2025-07-02 14:17:37 +02:00

95 lines
3.4 KiB
C++

#ifndef MAGIC_HPP
#define MAGIC_HPP
#include "core/buffer.hpp"
#include "core/commandbuffer.hpp"
#include "core/descriptorpool.hpp"
#include "core/descriptorset.hpp"
#include "core/image.hpp"
#include "core/pipeline.hpp"
#include "core/shadermodule.hpp"
#include "core/device.hpp"
#include <array>
namespace LSFG::Shaderchains {
///
/// Shader chain magic.
///
/// Takes textures similar to gamma shader chain, produces intermediary
/// results in groups of 3, 2, 2.
///
class Magic {
public:
Magic() = default;
///
/// Initialize the shaderchain.
///
/// @param device The Vulkan device to create the resources on.
/// @param pool The descriptor pool to use for descriptor sets.
/// @param inImgs1_0 The next input images to process (when fc % 3 == 0).
/// @param inImgs1_1 The prev input images to process (when fc % 3 == 0).
/// @param inImgs1_2 Initially unprocessed prev prev input images (when fc % 3 == 0).
/// @param inImg2 The second input image to process.
/// @param inImg3 The third input image to process, next step up the resolution.
/// @param optImg An optional additional input from the previous pass.
/// @param genc Amount of frames to generate.
///
/// @throws LSFG::vulkan_error if resource creation fails.
///
Magic(const Core::Device& device, const Core::DescriptorPool& pool,
std::array<Core::Image, 4> inImgs1_0,
std::array<Core::Image, 4> inImgs1_1,
std::array<Core::Image, 4> inImgs1_2,
Core::Image inImg2,
Core::Image inImg3,
std::optional<Core::Image> optImg,
size_t genc);
///
/// Dispatch the shaderchain.
///
/// @param buf The command buffer to use for dispatching.
/// @param fc The frame count, used to select the input images.
/// @param pass The pass number.
///
/// @throws std::logic_error if the command buffer is not recording.
///
void Dispatch(const Core::CommandBuffer& buf, uint64_t fc, uint64_t pass);
/// Get the first set of output images
[[nodiscard]] const auto& getOutImages1() const { return this->outImgs1; }
/// Get the second set of output images
[[nodiscard]] const auto& getOutImages2() const { return this->outImgs2; }
/// Get the third set of output images
[[nodiscard]] const auto& getOutImages3() const { return this->outImgs3; }
/// Trivially copyable, moveable and destructible
Magic(const Magic&) noexcept = default;
Magic& operator=(const Magic&) noexcept = default;
Magic(Magic&&) noexcept = default;
Magic& operator=(Magic&&) noexcept = default;
~Magic() = default;
private:
Core::ShaderModule shaderModule;
Core::Pipeline pipeline;
std::vector<std::array<Core::DescriptorSet, 3>> nDescriptorSets;
std::vector<Core::Buffer> buffers;
std::array<Core::Image, 4> inImgs1_0;
std::array<Core::Image, 4> inImgs1_1;
std::array<Core::Image, 4> inImgs1_2;
Core::Image inImg2;
Core::Image inImg3;
std::optional<Core::Image> optImg;
std::array<Core::Image, 2> outImgs1;
std::array<Core::Image, 3> outImgs2;
std::array<Core::Image, 3> outImgs3;
};
}
#endif // MAGIC_HPP