fsr first pass

Oxylus/src/Render/Passes/FSR.h

@@ -0,0 +1,73 @@
+#pragma once
+#include <vuk/Image.hpp>
+
+#include "Core/Base.h"
+#include "Core/Types.h"
+
+namespace vuk {
+struct PipelineBaseCreateInfo;
+class Context;
+} // namespace vuk
+namespace ox {
+class Camera;
+class FSR {
+public:
+  FSR() = default;
+  ~FSR() = default;
+
+  struct Fsr2Constants {
+    int32_t renderSize[2];
+    int32_t displaySize[2];
+    uint32_t lumaMipDimensions[2];
+    uint32_t lumaMipLevelToUse;
+    uint32_t frameIndex;
+    float displaySizeRcp[2];
+    float jitterOffset[2];
+    float deviceToViewDepth[4];
+    float depthClipUVScale[2];
+    float postLockStatusUVScale[2];
+    float reactiveMaskDimRcp[2];
+    float motionVectorScale[2];
+    float downscaleFactor[2];
+    float preExposure;
+    float tanHalfFOV;
+    float motionVectorJitterCancellation[2];
+    float jitterPhaseCount;
+    float lockInitialLifetime;
+    float lockTickDelta;
+    float deltaTime;
+    float dynamicResChangeFactor;
+    float lumaMipRcp;
+  } fsr2_constants = {};
+
+  vuk::Texture adjusted_color;
+  vuk::Texture luminance_current;
+  vuk::Texture luminance_history;
+  vuk::Texture exposure;
+  vuk::Texture previous_depth;
+  vuk::Texture dilated_depth;
+  vuk::Texture dilated_motion;
+  vuk::Texture dilated_reactive;
+  vuk::Texture disocclusion_mask;
+  vuk::Texture lock_status[2];
+  vuk::Texture reactive_mask;
+  vuk::Texture lanczos_lut;
+  vuk::Texture maximum_bias_lut;
+  vuk::Texture spd_global_atomic;
+  vuk::Texture output_internal[2];
+
+  Vec2 get_jitter() const;
+
+  void create_fs2_resources(vuk::Allocator& allocator, UVec2 render_resolution, UVec2 presentation_resolution);
+  void load_pipelines(vuk::Allocator& allocator, vuk::PipelineBaseCreateInfo& pipeline_ci);
+  void dispatch(const Shared<vuk::RenderGraph>& rg,
+                Camera& camera,
+                std::string_view input_pre_alpha,
+                std::string_view input_post_alpha,
+                std::string_view input_velocity,
+                std::string_view input_depth,
+                std::string_view output,
+                float dt,
+                float sharpness);
+};
+} // namespace ox