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// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX-FileCopyrightText: Copyright 2025 lsfg-vk
// SPDX-License-Identifier: GPL-3.0-or-later
#pragma once
#include <array>
#include "common/common_types.h"
#include "video_core/renderer_vulkan/present/lsfg_alpha.h"
#include "video_core/renderer_vulkan/present/lsfg_beta.h"
#include "video_core/renderer_vulkan/present/lsfg_common.h"
#include "video_core/renderer_vulkan/present/lsfg_delta.h"
#include "video_core/renderer_vulkan/present/lsfg_gamma.h"
#include "video_core/renderer_vulkan/present/lsfg_generate.h"
#include "video_core/renderer_vulkan/present/lsfg_mipmaps.h"
namespace Vulkan {
class Device;
class LsfgShaders;
constexpr size_t LSFG_DELTA_INSTANCES = 3;
class LsfgChain {
public:
LsfgChain(const Device& device, MemoryAllocator& memory_allocator, const LsfgShaders& shaders,
VkExtent2D extent, VkFormat format, f32 flow_scale);
LsfgChain(const LsfgChain&) = delete;
LsfgChain& operator=(const LsfgChain&) = delete;
void DispatchShared(vk::CommandBuffer cmdbuf, u64 frame_count);
void DispatchGeneration(vk::CommandBuffer cmdbuf, u64 frame_count, size_t generation_count,
size_t generation, u32 target, VkImage image, VkExtent2D extent);
void SetTarget(const Device& device, size_t generation_count, size_t generation, u32 target,
VkImageView view) {
generate.SetTarget(device, LsfgGenerationSlot(generation_count, generation), target, view);
}
[[nodiscard]] LsfgImage& Input(u64 frame_count) {
return frames[frame_count % frames.size()];
}
[[nodiscard]] LsfgImage& FlowLevel(size_t level) {
return mipmaps.Output(level);
}
[[nodiscard]] LsfgImage& AlphaOutput(size_t level, u64 frame_count, size_t index) {
return alpha[level].Outputs()[frame_count % LSFG_HISTORY_SLOTS][index];
}
[[nodiscard]] LsfgImage& BetaOutput(size_t level) {
return beta.Output(level);
}
[[nodiscard]] LsfgImage& GammaOutput(size_t index) {
return gamma[index].Output();
}
[[nodiscard]] LsfgImage& DeltaOutput1(size_t index) {
return delta[index].Output1();
}
[[nodiscard]] LsfgImage& DeltaOutput2(size_t index) {
return delta[index].Output2();
}
private:
LsfgResources resources;
vk::DescriptorPool descriptor_pool;
LsfgImagePair frames;
LsfgMipmaps mipmaps;
LsfgAlphaPasses alpha_passes;
std::array<LsfgAlpha, LSFG_MIP_LEVELS> alpha;
LsfgBeta beta;
std::array<LsfgGamma, LSFG_MIP_LEVELS> gamma;
std::array<LsfgDelta, LSFG_DELTA_INSTANCES> delta;
LsfgGenerate generate;
};
} // namespace Vulkan
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