Brecht Van Lommel
f059bdc823
GLUT does not support offscreen contexts, which is required for the new display driver. So we use SDL instead. Note that this requires using a system SDL package, the Blender precompiled SDL does not include the video subsystem. There is currently no text display support, instead info is printed to the terminal. This would require adding an embedded font and GLSL shaders, or using GUI library. Another improvement to be made is supporting OpenColorIO display transforms, right now we assume Rec.709 scene linear and display. All OpenGL, GLEW and SDL code was move out of core cycles and into app/opengl. This serves as a template for apps that want to integrate Cycles interactive rendering, with a simple OpenGLDisplayDriver example. In general this would be adapted to the graphics API and color management used by the app. Ref T91846
Sphinx Warnings
: WARNING: Could not obtain image size. :scale: option is ignored.
Note the preview is not accurate and warnings may not indicate real issues.
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