Efficient drawing with OpenGL

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glEnableClientState, glDisableClientState Are used to enable and disable 6 type of arrays: 1. Vertices glVertexPointer 2. Normals glNormalPointer 3. Colors glColorPointer 4. Indices glIndexPointer 5. Textures glTexCoordPointer 6. EdgeFlags glEdgeFlagPointer High Performance Computing Techniques - Pourya Shirazian 10
All objects are on the client application memory and the server will be given access. EdgeFlags: used to show if a vertex is on the boundary edge or not. Only edges <strong>with</strong> set edgeflag will be visible <strong>with</strong> glPolygonMode(GL_LINES); High Performance Computing Techniques - Pourya Shirazian 11
Page 1 and 2: High Performance Computing Techniqu
Page 3 and 4: Immediate Mode Display Lists Vert
Page 5 and 6: V4 V7 Shared vertices should be re
Page 7 and 8: Not all OpenGL commands can be used
Page 9: Benefits: ▪ Lists are on the serv
Page 13 and 14: Benefits: ▪ Reduces number of fun
Page 15 and 16: Buffer Objects can be mapped to cli
Page 17 and 18: glBufferData ▪ void glBufferDataA
Page 19 and 20: Static/Dynamic Draw/Read/Copy Stati
Page 21: Benefits: ▪ Unlike display lists

Efficient drawing with OpenGL

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