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Reduce FSR2 jitter by preserving temporal history

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Kelsi 2026-03-08 20:07:01 -07:00
parent 51a8cf565f
commit 0a88406a3d
1 changed files with 0 additions and 16 deletions
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16
src/rendering/renderer.cpp
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@ -1027,22 +1027,6 @@ void Renderer::beginFrame() {
if (!fsr2_.useAmdBackend) {
camera->setJitter(0.0f, 0.0f);
} else {
glm::mat4 currentVP = camera->getViewProjectionMatrix();
// Reset history only for clear camera movement.
bool cameraMoved = false;
for (int i = 0; i < 4 && !cameraMoved; i++) {
for (int j = 0; j < 4 && !cameraMoved; j++) {
if (std::abs(currentVP[i][j] - fsr2_.lastStableVP[i][j]) > 1e-3f) {
cameraMoved = true;
}
}
}
if (cameraMoved) {
fsr2_.lastStableVP = currentVP;
fsr2_.needsHistoryReset = true;
}
#if WOWEE_HAS_AMD_FSR2
// AMD-recommended jitter sequence in pixel space, converted to NDC projection offset.
int32_t phaseCount = ffxFsr2GetJitterPhaseCount(