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core: don't scan drm nodes on each new notification

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it's incredibly unlikely someone unplugged a gpu, and in that case I dont think we care either

fixes #342
This commit is contained in:
Vaxry 2025-06-30 18:17:24 +02:00
parent 400308fc4f
commit 6115f3fdcb
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GPG Key ID: 665806380871D640
2 changed files with 20 additions and 0 deletions
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19
src/core/PortalManager.cpp
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@ -90,6 +90,9 @@ void CPortalManager::onGlobal(uint32_t name, const char* interface, uint32_t ver
m_sWaylandConnection.linuxDmabufFeedback->setMainDevice([this](CCZwpLinuxDmabufFeedbackV1* r, wl_array* device_arr) {
Debug::log(LOG, "[core] dmabufFeedbackMainDevice");
if (m_sWaylandConnection.dma.done)
return;
RASSERT(!m_sWaylandConnection.gbm, "double dmabuf feedback");
dev_t device;
@ -107,6 +110,9 @@ void CPortalManager::onGlobal(uint32_t name, const char* interface, uint32_t ver
m_sWaylandConnection.linuxDmabufFeedback->setFormatTable([this](CCZwpLinuxDmabufFeedbackV1* r, int fd, uint32_t size) {
Debug::log(TRACE, "[core] dmabufFeedbackFormatTable");
if (m_sWaylandConnection.dma.done)
return;
m_vDMABUFMods.clear();
m_sWaylandConnection.dma.formatTable = mmap(NULL, size, PROT_READ, MAP_PRIVATE, fd, 0);
@ -123,15 +129,22 @@ void CPortalManager::onGlobal(uint32_t name, const char* interface, uint32_t ver
m_sWaylandConnection.linuxDmabufFeedback->setDone([this](CCZwpLinuxDmabufFeedbackV1* r) {
Debug::log(TRACE, "[core] dmabufFeedbackDone");
if (m_sWaylandConnection.dma.done)
return;
if (m_sWaylandConnection.dma.formatTable)
munmap(m_sWaylandConnection.dma.formatTable, m_sWaylandConnection.dma.formatTableSize);
m_sWaylandConnection.dma.formatTable = nullptr;
m_sWaylandConnection.dma.formatTableSize = 0;
m_sWaylandConnection.dma.done = true;
});
m_sWaylandConnection.linuxDmabufFeedback->setTrancheTargetDevice([this](CCZwpLinuxDmabufFeedbackV1* r, wl_array* device_arr) {
Debug::log(TRACE, "[core] dmabufFeedbackTrancheTargetDevice");
if (m_sWaylandConnection.dma.done)
return;
dev_t device;
assert(device_arr->size == sizeof(device));
memcpy(&device, device_arr->data, sizeof(device));
@ -152,6 +165,9 @@ void CPortalManager::onGlobal(uint32_t name, const char* interface, uint32_t ver
m_sWaylandConnection.linuxDmabufFeedback->setTrancheFormats([this](CCZwpLinuxDmabufFeedbackV1* r, wl_array* indices) {
Debug::log(TRACE, "[core] dmabufFeedbackTrancheFormats");
if (m_sWaylandConnection.dma.done)
return;
if (!m_sWaylandConnection.dma.deviceUsed || !m_sWaylandConnection.dma.formatTable)
return;
@ -177,6 +193,9 @@ void CPortalManager::onGlobal(uint32_t name, const char* interface, uint32_t ver
m_sWaylandConnection.linuxDmabufFeedback->setTrancheDone([this](CCZwpLinuxDmabufFeedbackV1* r) {
Debug::log(TRACE, "[core] dmabufFeedbackTrancheDone");
if (m_sWaylandConnection.dma.done)
return;
m_sWaylandConnection.dma.deviceUsed = false;
});

1
src/core/PortalManager.hpp
View File

@ -81,6 +81,7 @@ class CPortalManager {
void* formatTable = nullptr;
size_t formatTableSize = 0;
bool deviceUsed = false;
bool done = false;
} dma;
} m_sWaylandConnection;