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OpenGL

OpenGL

OpenGL. Kurt Akeley CS248 Lecture 2 27 September 2007 http://graphics.stanford.edu/courses/cs248-07/. OpenGL. OpenGL Is a mechanism to create images in a frame buffer Is an API to access that mechanism Is well specified OpenGL Is not a window system Is not a user interface

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793 views • 48 slides
CS 4731 Lecture 3: Introduction to OpenGL and GLUT: Part II

CS 4731 Lecture 3: Introduction to OpenGL and GLUT: Part II

CS 4731 Lecture 3: Introduction to OpenGL and GLUT: Part II. Emmanuel Agu. OpenGL Drawing. OpenGL drawing usually done in display function Display function is called once when program starts Recall that first, register callback in main( ) function glutDisplayFunc( display );

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397 views • 21 slides
OpenGL program

OpenGL program

OpenGL program. 2D Drawing in opengl. 2D means no depth! We should also turn off the depth buffer. glDisable (GL_DEPTH_TEST). 2D drawing principles. 2D drawing in OpenGL is much like 3D drawing. We first clear the screen: glClear (GL_COLOR_BUFFER_BIT)

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396 views • 19 slides
OpenGL Help Session

OpenGL Help Session

OpenGL Help Session. CS248 Fall 2008 Derek Chan. OpenGL needs a windowing system. OpenGL by itself does not talk to the windowing system/manager by itself. Need a toolkit to tell the windowing system that we need an OpenGL window. Examples: GLUT/ GLUI (used in Project 2) ?

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378 views • 13 slides
OpenGL Help Session

OpenGL Help Session

OpenGL Help Session. CS248 Fall 2006 Zhengyun Zhang. References. OpenGL Programming Guide (Red Book) start here OpenGL Reference Guide (Blue Book) use this to look up individual functions OpenGL Shading Language (Orange Book) gets you started with GLSL. OpenGL is a state machine.

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282 views • 9 slides

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