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Add live FSR2 motion/jitter tuning controls and HUD readout

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Kelsi 2026-03-08 20:56:22 -07:00
parent 38c55e4f37
commit 2e71c768db
5 changed files with 65 additions and 6 deletions
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7
src/rendering/performance_hud.cpp
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@ -200,6 +200,13 @@ void PerformanceHUD::render(const Renderer* renderer, const Camera* camera) {
ImGui::Text(" %ux%u -> %ux%u (%.0f%%)", iw, ih, ext.width, ext.height, sf * 100.0f);
}
}
if (renderer->isFSR2Enabled()) {
ImGui::TextColored(ImVec4(0.4f, 0.9f, 1.0f, 1.0f), "FSR 2.2: ON");
ImGui::Text(" JitterSign=%.2f MVScale=(%.2f, %.2f)",
renderer->getFSR2JitterSign(),
renderer->getFSR2MotionVecScaleX(),
renderer->getFSR2MotionVecScaleY());
}
ImGui::Spacing();
}

16
src/rendering/renderer.cpp
View file

@ -4323,13 +4323,11 @@ void Renderer::dispatchAmdFsr2() {
L"FSR2_Output", FFX_RESOURCE_STATE_UNORDERED_ACCESS);
// Camera jitter is stored as NDC projection offsets; convert to render-pixel offsets.
// AMD jitter convention is opposite our projection offset sign in Vulkan space.
const float jitterSign = static_cast<float>(envIntOrDefault("WOWEE_FSR2_JITTER_SIGN", -1));
glm::vec2 jitterNdc = camera->getJitter();
desc.jitterOffset.x = jitterSign * jitterNdc.x * 0.5f * static_cast<float>(fsr2_.internalWidth);
desc.jitterOffset.y = jitterSign * jitterNdc.y * 0.5f * static_cast<float>(fsr2_.internalHeight);
desc.motionVectorScale.x = static_cast<float>(fsr2_.internalWidth);
desc.motionVectorScale.y = static_cast<float>(fsr2_.internalHeight);
desc.jitterOffset.x = fsr2_.jitterSign * jitterNdc.x * 0.5f * static_cast<float>(fsr2_.internalWidth);
desc.jitterOffset.y = fsr2_.jitterSign * jitterNdc.y * 0.5f * static_cast<float>(fsr2_.internalHeight);
desc.motionVectorScale.x = static_cast<float>(fsr2_.internalWidth) * fsr2_.motionVecScaleX;
desc.motionVectorScale.y = static_cast<float>(fsr2_.internalHeight) * fsr2_.motionVecScaleY;
desc.renderSize.width = fsr2_.internalWidth;
desc.renderSize.height = fsr2_.internalHeight;
desc.enableSharpening = false; // Keep existing RCAS post pass.
@ -4415,6 +4413,12 @@ void Renderer::setFSR2Enabled(bool enabled) {
}
}
void Renderer::setFSR2DebugTuning(float jitterSign, float motionVecScaleX, float motionVecScaleY) {
fsr2_.jitterSign = glm::clamp(jitterSign, -2.0f, 2.0f);
fsr2_.motionVecScaleX = glm::clamp(motionVecScaleX, -2.0f, 2.0f);
fsr2_.motionVecScaleY = glm::clamp(motionVecScaleY, -2.0f, 2.0f);
}
// ========================= End FSR 2.2 =========================
void Renderer::renderWorld(game::World* world, game::GameHandler* gameHandler) {