[qtAliceVision] Add new image viewer with Blinn-Phong model #72
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Source texture should always be initialized to avoid errors (texture binding) when no image is loaded, especially when `FloatImageViewer` is reactivated.
Allows to load and display image (albedo and normal) with a given light direction. Shading is done using Blinn-Phong reflection model.
`std::powf` fails to compile with gcc which is not compliant with C++17 when it comes to libstdc++. Additionally, static casts are performed to fix warnings.
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cbentejac
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Nov 14, 2024
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Description
Add a new image viewer (Albedo + Normal) with Blinn-Phong model, the
PhongImageViewer.With customizable shader parameters and light direction.
A normal map with two light directions using the new viewer in Meshroom.
Features list
PhongImageViewer.PhongImageViewershader.FloatImageViewerespecially when reactivated.Implementation remarks
This PR is based on the Qt6 migration branch: https://github.com/alicevision/QtAliceVision/tree/dev/qt6.6
Linked to Meshroom PR: alicevision/Meshroom#2444