Differential D8398 Diff 21628 plugins/platforms/drm/scene_qpainter_drm_backend.cpp

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plugins/platforms/drm/scene_qpainter_drm_backend.cpp

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63void DrmQPainterBackend::initOutput(DrmOutput *output) 63​void DrmQPainterBackend::initOutput(DrmOutput *output)
64{ 64​{
65 Output o; 65​ Output o;
66 auto initBuffer = [&o, output, this] (int index) { 66​ auto initBuffer = [&o, output, this] (int index) {
67 o.buffer[index] = m_backend->createBuffer(output->pixelSize()); 67​ o.buffer[index] = m_backend->createBuffer(output->pixelSize());
68 o.buffer[index]->map(); 68​ o.buffer[index]->map();
69 o.buffer[index]->image()->fill(Qt::black); 69​ o.buffer[index]->image()->fill(Qt::black);
70 }; 70​ };
71​ connect(output, &DrmOutput::modeChanged, this,
72​ [output, this] {
73​ auto it = std::find_if(m_outputs.begin(), m_outputs.end(),
74​ [output] (const auto &o) {
75​ return o.output == output;
76​ }
77​ );
78​ if (it == m_outputs.end()) {
79​ return;
80​ }
81​ delete (*it).buffer[0];
82​ delete (*it).buffer[1];
83​ auto initBuffer = [it, output, this] (int index) {
84​ it->buffer[index] = m_backend->createBuffer(output->pixelSize());
85​ it->buffer[index]->map();
86​ it->buffer[index]->image()->fill(Qt::black);
87​ };
88​ initBuffer(0);
89​ initBuffer(1);
90​ }
91​ );
71 initBuffer(0); 92​ initBuffer(0);
72 initBuffer(1); 93​ initBuffer(1);
73 o.output = output; 94​ o.output = output;
74 m_outputs << o; 95​ m_outputs << o;
75} 96​}
76 97​
77QImage *DrmQPainterBackend::buffer() 98​QImage *DrmQPainterBackend::buffer()
78{ 99​{
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