ETXreaL is a graphics mod for the Wolfenstein: Enemy Territory game, using the enhanced XreaL id Tech 3 GPL engine.
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Here are some key features of "ETXreaL":
· Modern OpenGL 3.2 renderer with all deprecated OpenGL calls removed
· Clever usage of vertex buffer objects (VBO) to speed up rendering of everything
· Avoids geometry processing each frame using the CPU (worst bottleneck with the Q3A engine)
· Renders up to 500 000 - 1 000 000 polygons at 80 - 200 fps on current hardware (DX10 generation)
· Optional GPU occlusion culling (improved Coherent Hierarchy Culling) useful for rendering large city scenes
· Doom 3 .MD5mesh/.MD5anim skeletal model and animation support
· Unreal Actor X .PSK/.PSA skeletal model and animation support
· True 64 bit HDR lighting with adaptive tone mapping
· Advanced projective and omni-directional soft shadow mapping methods like EVSM
· Real-time sun lights with parallel-split shadow maps
· Optional deferred shading
· Relief mapping that can be enabled by materials
· Optional uniform lighting and shadowing model like in Doom 3 including globe mapping
· Supports almost all Quake 3, Enemy Territory and Doom 3 material shader keywords
· TGA, PNG, JPG and DDS format support for textures
· Usage of frame buffer objects (FBO) to perform offscreen rendering effects
· Improved TrueType font support that does not require external tools
· Linux 64-bit support
· Linux sound backend using SDL
· .avi recorder from ioquake3 including sound support
· Optimized collision detection routines
· Support for Omni-bot
· GUID system to generate etkeys which are sent as cl_guid
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