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Fix page flipping bugs

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This commit is contained in:
Cameron Gutman
2026-01-02 20:01:54 -06:00
parent ac6dadffc6
commit c0846155c3
1 changed files with 7 additions and 5 deletions
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app/streaming/video/ffmpeg-renderers/drm.h
+7 -5
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@@ -356,11 +356,11 @@ class DrmRenderer : public IFFmpegRenderer {
ret = drmModePageFlip(m_Fd, planeConfig.crtcId, fbId, ret = drmModePageFlip(m_Fd, planeConfig.crtcId, fbId,
flags | (m_AsyncFlip ? DRM_MODE_PAGE_FLIP_ASYNC : 0), flags | (m_AsyncFlip ? DRM_MODE_PAGE_FLIP_ASYNC : 0),
nullptr) == 0; this) == 0;
if (!ret && m_AsyncFlip) { if (!ret && m_AsyncFlip) {
// Async page flips may be unavailable, so try a regular page flip // Async page flips may be unavailable, so try a regular page flip
ret = drmModePageFlip(m_Fd, planeConfig.crtcId, fbId, ret = drmModePageFlip(m_Fd, planeConfig.crtcId, fbId,
flags, nullptr) == 0; flags, this) == 0;
} }
if (ret) { if (ret) {
@@ -515,15 +515,17 @@ class DrmRenderer : public IFFmpegRenderer {
// The current buffers can be freed after the flip completes // The current buffers can be freed after the flip completes
if (it->second.fbId) { if (it->second.fbId) {
m_FbsToFreeAfterFlip.push_back(it->second.fbId); m_FbsToFreeAfterFlip.push_back(it->second.fbId);
it->second.fbId = 0;
} }
if (it->second.dumbBufferHandle) { if (it->second.dumbBufferHandle) {
m_DumbBufsToFreeAfterFlip.push_back(it->second.dumbBufferHandle); m_DumbBufsToFreeAfterFlip.push_back(it->second.dumbBufferHandle);
it->second.dumbBufferHandle = 0;
} }
// The pending buffers become the active buffers for this FB // The pending buffers become the active buffers for this FB
m_PlaneBuffers[it->first].fbId = it->second.pendingFbId; std::swap(it->second.fbId, it->second.pendingFbId);
m_PlaneBuffers[it->first].dumbBufferHandle = it->second.pendingDumbBuffer; std::swap(it->second.dumbBufferHandle, it->second.pendingDumbBuffer);
m_PlaneBuffers[it->first].modified = false; it->second.modified = false;
} }
} }
} }