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camera: Use pre-allocated vector for camera data

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And avoid an unnecessary copy
This commit is contained in:
ameerj
2022-12-15 22:50:36 -05:00
parent 9ff891ce71
commit 7bf4bec257
4 changed files with 12 additions and 9 deletions
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12
src/yuzu/bootmanager.cpp
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@ -752,6 +752,7 @@ void GRenderWindow::InitializeCamera() {
return;
}
camera_data.resize(CAMERA_WIDTH * CAMERA_HEIGHT);
camera_capture->setCaptureDestination(QCameraImageCapture::CaptureDestination::CaptureToBuffer);
connect(camera_capture.get(), &QCameraImageCapture::imageCaptured, this,
&GRenderWindow::OnCameraCapture);
@ -807,16 +808,13 @@ void GRenderWindow::RequestCameraCapture() {
}
void GRenderWindow::OnCameraCapture(int requestId, const QImage& img) {
constexpr std::size_t camera_width = 320;
constexpr std::size_t camera_height = 240;
// TODO: Capture directly in the format and resolution needed
const auto converted =
img.scaled(camera_width, camera_height, Qt::AspectRatioMode::IgnoreAspectRatio,
img.scaled(CAMERA_WIDTH, CAMERA_HEIGHT, Qt::AspectRatioMode::IgnoreAspectRatio,
Qt::TransformationMode::SmoothTransformation)
.mirrored(false, true);
std::vector<u32> camera_data{};
camera_data.resize(camera_width * camera_height);
std::memcpy(camera_data.data(), converted.bits(), camera_width * camera_height * sizeof(u32));
input_subsystem->GetCamera()->SetCameraData(camera_width, camera_height, camera_data);
std::memcpy(camera_data.data(), converted.bits(), CAMERA_WIDTH * CAMERA_HEIGHT * sizeof(u32));
input_subsystem->GetCamera()->SetCameraData(CAMERA_WIDTH, CAMERA_HEIGHT, camera_data);
pending_camera_snapshots = 0;
}