Efficient drawing with OpenGL

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Primitives being drawn as they are defined: glBegin(GL_TRIANGLES); glVertex3fv(v0); glVertex3fv(v1); glVertex3fv(v2); glEnd(); V0 High Performance Computing Techniques - Pourya Shirazian 4 V1 V2
V4 V7 Shared vertices should be repeated V3 V0 V5 V2 V1 Each Vertex is shared between 3 quads/ glBegin(GL_QUADS); glVertex3fv(v0); glVertex3fv(v1); glVertex3fv(v2); glVertex3fv(v3); glVertex3fv(v0); glVertex3fv(v3); glVertex3fv(v7); glVertex3fv(v4); glVertex3fv(v0); glVertex3fv(v4); glVertex3fv(v5); glVertex3fv(v1); // draw other 3 faces … glEnd(); High Performance Computing Techniques - Pourya Shirazian 5
Page 1 and 2: High Performance Computing Techniqu
Page 3: Immediate Mode Display Lists Vert
Page 7 and 8: Not all OpenGL commands can be used
Page 9 and 10: Benefits: ▪ Lists are on the serv
Page 11 and 12: All objects are on the client appli
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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