17 List of Demo Programs

This list shows the demonstration programs available on the Programming with OpenGL: Advanced Rendering web site at:

http://www.sgi.com/Technology/OpenGL/advanced_sig97.html

The programs are grouped by the sections in which they're discussed. Each line gives a short description of the program.

Modelling

• tvertex.c - show problems caused by t-vertices
• quad_decomp.c - shows example of quadrilateral decomposition
• tess.c - shows examples of sphere tessellation
• cap.c - shows how to cap the region exposed by a clipping plane
• csg.c - shows how to render CSG solids with the stencil buffer

Geometry and Transformations

• depth.c - compare screen and eye space z
• decal.c - shows how to decal coplanar polygons with the stencil buffer
• hiddenline.c - shows how to render wireframe objects with hidden lines
• stereo.c - shows how to generate stereo image pairs
• tile.c - shows how to tile images
• raster.c - shows how to move the current raster position off-screen

Texture Mapping

• mipmap_lines.c - shows different mipmap generation filters
• genmipmap.c - shows how to use the OpenGL pipeline to generate mipmaps
• textile.c - shows how to tile textures
• texpage.c - shows how to page textures
• textrim.c - shows how to trim textures
• textext.c - shows how draw characters with texture maps
• projtex.c - shows how to do spotlight illumination using projective textures
• cyl_billboard.c - shows how to do cylindrical billboards
• sph_billboard.c - shows how to do spherical billboards
• warp.c - shows how to warp images with textures
• noise.c - shows how to make a filtered noise function
• spectral.c - shows how to make a spectral function from filtered noise
• spotnoise.c - shows how to use spot noise
• tex3dsolid.c - renders a solid image with a 3d texture
• tex3dfunc.c - creates a 2d texture that varies with r value

Blending

• comp.c - shows Porter/Duff compositing
• transp.c - shows how to draw transparent objects
• imgproc.c - shows image processing operations

Antialiasing

• lineaa.c - shows how to draw antialiased lines
• texaa.c - shows how to antialias with texture
• accumaa.c - shows how to antialias a scene with the accumulation buffer

Lighting

• envphong.c - shows how to draw phong highlights with environment mapping
• lightmap2d.c - shows how to do 2D texture lightmaps
• lightmap3d.c - shows how to do 3D texture lightmaps
• bumpmap.c - shows how to bumpmap with texture

Scene Realism

• motionblur.c - shows how to do motion blur with the accumulation buffer
• field.c - shows how to achieve depth of field effects with the accumulation buffer
• genspheremap.c - shows how to generate sphere maps
• mirror.c - shows how to do planar mirror reflections
• projshadow.c - shows how to render projection shadows
• shadowvol.c - shows how to render shadows with shadow volumes
• shadowmap.c - shows how to render shadows with shadow maps
• softshadow.c - shows how to do soft shadows with the accumulation buffer by jittering light sources
• softshadow2.c - shows how to do soft shadows by creating lighting textures with the accumulation buffer

Transparency

• screendoor.c - shows how to do screen-door transparency
• alphablend.c - shows how to do transparency with alpha blending

Natural Phenomena

• smoke.c - shows how to render smoke
• smoke3d.c - shows how to render 3D smoke using volumetric techniques
• cloud.c - shows how to render a cloud layer
• cloud3d.c - shows how to render a 3D cloud using volumetric techniques
• fire.c - shows how to render fire using movie loops
• water.c - shows an example water rendering technique
• lightpoint.c - shows how to render point light sources

Image Processing

• convolve.c - shows how to convolve with the accumulation buffer
• cmatrix - shows how to modify colors with a color matrix

Volume Visualization with Texture

• vol2dtex.c - volume visualization with 2D textures
• vol3dtex.c - volume visualization with 3D textures

Using the Stencil Buffer

• dissolve.c - shows how to do dissolves with the stencil buffer
• zcomposite.c - shows how to composite depth-buffered images with the stencil buffer

Line Rendering Techniques

• haloed.c - shows how to draw haloed lines using the depth buffer
• silhouette.c - shows how to draw the silhouette edge of an object with the stencil buffer