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Support underlay planes by turning off unused active planes

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This commit is contained in:
Cameron Gutman 2026-01-06 01:59:20 -06:00
commit a3237b741c
2 changed files with 43 additions and 5 deletions
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16
app/streaming/video/ffmpeg-renderers/drm.h
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@ -189,6 +189,10 @@ class DrmRenderer : public IFFmpegRenderer {
return m_ObjectType;
}
const std::unordered_map<std::string, DrmProperty>& properties() const {
return m_Props;
}
private:
uint32_t m_ObjectId = 0;
uint32_t m_ObjectType = 0;
@ -605,6 +609,17 @@ class DrmRenderer : public IFFmpegRenderer {
return m_Atomic;
}
void restoreToInitial(const DrmPropertyMap& object) {
SDL_assert(m_Atomic);
// Set all mutable properties back to their initial values
for (auto& prop : object.properties()) {
if (!prop.second.isImmutable()) {
set(prop.second, prop.second.initialValue());
}
}
}
private:
int m_Fd = -1;
bool m_Atomic = false;
@ -668,6 +683,7 @@ private:
DrmPropertyMap m_Encoder;
DrmPropertyMap m_Connector;
DrmPropertyMap m_Crtc;
std::unordered_map<uint32_t, DrmPropertyMap> m_UnusedActivePlanes;
DrmPropertyMap m_VideoPlane;
uint64_t m_VideoPlaneZpos;
DrmPropertyMap m_OverlayPlanes[Overlay::OverlayMax];