Open GL Question: Download Questions PDF
Open GL Interview Questions Part 3:
Answer:
What is the set of operations that are needed to perform to display a 3d representation over 2d screen?
Name the major stages of vertex transformations.
Name & give syntax of general purpose transformation commands.
Explain viewing & modeling transformations briefly.
What is projection transformation? Give difference between perspective & orthographic projections.
What do you understand by color perception?
What is difference between color index mode & RGBA mode?
How do we specify color of a geometrical object in both RGBA & color index mode?
What is a shading model? Why we need it? List shading models that are available in OpenGL.
What do you understand by hidden surface removal? Name few of algorithms used for the same.
Name the major stages of vertex transformations.
Name & give syntax of general purpose transformation commands.
Explain viewing & modeling transformations briefly.
What is projection transformation? Give difference between perspective & orthographic projections.
What do you understand by color perception?
What is difference between color index mode & RGBA mode?
How do we specify color of a geometrical object in both RGBA & color index mode?
What is a shading model? Why we need it? List shading models that are available in OpenGL.
What do you understand by hidden surface removal? Name few of algorithms used for the same.
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