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StencilShadows
Wednesday, March 13, 2002 | Permalink

Executable
Source code
StencilShadows.zip (678 KB)

Required:
GL_ARB_multitexture
GL_EXT_texture_env_dot3
GL_ARB_texture_env_combine
GL_EXT_texture_edge_clamp
GL_EXT_texture3D
GL_ARB_texture_env_crossbar or GL_NV_texture_env_combine4
This demo shows dynamic per-pixel lighting with shadows and proper shadow overlapping. The shadows are created by using the stencil buffer and Carmacks reversed algoritm.