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Integrate AMD FSR2 backend and document SDK bootstrap

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Kelsi 2026-03-08 19:56:52 -07:00
parent a24ff375fb
commit 51a8cf565f
11 changed files with 329 additions and 28 deletions
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3
include/rendering/camera.hpp
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@ -27,6 +27,9 @@ public:
glm::mat4 getViewProjectionMatrix() const { return projectionMatrix * viewMatrix; }
glm::mat4 getUnjitteredViewProjectionMatrix() const { return unjitteredProjectionMatrix * viewMatrix; }
float getAspectRatio() const { return aspectRatio; }
float getFovDegrees() const { return fov; }
float getNearPlane() const { return nearPlane; }
float getFarPlane() const { return farPlane; }
// Sub-pixel jitter for temporal upscaling (FSR 2)
void setJitter(float jx, float jy);

12
include/rendering/renderer.hpp
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@ -11,6 +11,10 @@
#include "rendering/vk_frame_data.hpp"
#include "rendering/vk_utils.hpp"
#include "rendering/sky_system.hpp"
#if WOWEE_HAS_AMD_FSR2
#include "ffx_fsr2.h"
#include "ffx_fsr2_vk.h"
#endif
namespace wowee {
namespace core { class Window; }
@ -420,6 +424,13 @@ private:
glm::vec2 prevJitter = glm::vec2(0.0f);
uint32_t frameIndex = 0;
bool needsHistoryReset = true;
bool useAmdBackend = false;
#if WOWEE_HAS_AMD_FSR2
FfxFsr2Context amdContext{};
FfxFsr2Interface amdInterface{};
void* amdScratchBuffer = nullptr;
size_t amdScratchBufferSize = 0;
#endif
// Convergent accumulation: jitter for N frames then freeze
int convergenceFrame = 0;
@ -431,6 +442,7 @@ private:
void destroyFSR2Resources();
void dispatchMotionVectors();
void dispatchTemporalAccumulate();
void dispatchAmdFsr2();
void renderFSR2Sharpen();
static float halton(uint32_t index, uint32_t base);