Lecture notes - FreeDesktop.Org

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Stencil Buffer⇨ Stencil buffer can also be cleared glClearStencil sets the cleared value Pass GL_STENCIL_BUFFER_BIT to glClear If depth and stencil are used, always clear bothtogether© Copyright Ian D. Romanick 2009, 2011 9-February-2011
Stencil Buffer⇨ Writing of particular bits can be controlled withglStencilMaskSeparate Passing GL_FRONT_AND_BACK for face parameteracts like GL 1.x glStencilMask function Radeon r300 (e.g., Radeon 9800) needs front andback mask to be the same© Copyright Ian D. Romanick 2009, 2011 9-February-2011
Page 4 and 5: Stencil BufferglStencilFuncSeparate
Page 10 and 11: Stencil Operation⇨ Stencil buffer
Page 12 and 13: Stencil BufferglStencilOpSeparate(G
Page 20 and 21: Stencil Buffer - ExampleglClearSten
Page 22 and 23: Stencil Buffer - FBOs⇨ Stencil bu
Page 24 and 25: Stencil Buffer - FBO ExampleglGenFr
Page 26 and 27: Shadow Volumes⇨ Proposed by Frank
Page 28 and 29: Shadow Volumes⇨ Basic algorithm:1
Page 30 and 31: Shadow Volumes⇨ Problems? Very
Page 32 and 33: Shadow Volumes⇨ Problems? Very
Page 34 and 35: Shadow Volumes - Z-Pass1. Disable d
Page 36 and 37: Shadow Volumes - Z-Pass⇨ Big prob
Page 38 and 39: Shadow Volumes - Z-Pass⇨ Big prob
Page 40 and 41: Shadow Volumes - Z-Fail1. Disable d
Page 42 and 43: Shadow Volumes - Z-Fail⇨ Big prob
Page 44 and 45: Shadow Volumes⇨ Front and back ca
Page 46 and 47: Shadow Volumes⇨ Advantages? Sha
Page 48 and 49: Shadow Volume Geometry⇨ Generatin
Page 50 and 51: Winged-Edge Mesh⇨ The original me
Page 52 and 53: Winged-Edge Mesh⇨ Desirable mesh
Page 54 and 55: Half-Edge Mesh⇨ Slight modificati
Page 56 and 57: Half-Edge Meshstruct half_edge {//
Page 58 and 59: Half-Edge Mesh⇨ If each HE only s
Page 60 and 61: Half-Edge Mesh⇨ Given a vertex st
Page 62 and 63: Half-Edge Meshe>siblingf 0f 1v©
Page 64 and 65: Half-Edge Mesh⇨ What's the proble
Page 66 and 67: Half-Edge Mesh⇨ How can we add ne
Page 68 and 69:
Half-Edge Mesh⇨ To make the HE wo
Page 70 and 71:
Half-Edge Mesh⇨ Edges can be adde
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Page 74 and 75:
Page 76 and 77:
Half-Edge Mesh⇨ Relink the edges
Page 78 and 79:
Page 80 and 81:
Page 82 and 83:
ReferencesMatt Pharr and Ken Schoem
Page 84 and 85:
Shadow Volume Geometry⇨ Once we h
Page 86 and 87:
Fixing Object Geometry⇨ What abou
Page 88 and 89:
Fixing Object Geometry⇨ What abou
Page 90:
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