BCM Advanced Research
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(AGP). With AGP data the throughput between host and 3D RAGE PRO has greatly
increased. The result is even faster 2D and 3D performance and enhancements to motion
video support (e.g. MPEG-2 motion compensation).
FEATURES
3D Accelerator
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Complete 3D primitive support: points, lines, triangles, lists, strips and
Quadrilaterals
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Triangle Setup Engine with floating point to integer parameter conversion
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4K on-chip Texture Cache
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Destination Alpha
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Gouraud shading
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Alpha blending and alpha interpolation
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16-bit Z buffer
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Fogging and fog interpolation
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Dithering support in 16 bpp for near 24 bpp quality
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Perspectively correct mip-mapped texture mapping hardware, supporting:
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Palletized CI4 and CI8 texture expansion
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Texture filtering models including tri-linear mip mapping
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Texture lighting modes
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Ability to use YUV format textures
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Alpha in texture map
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Texture maps up to 1024 x 1024
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Non square texture maps
Software driver support for Direct 3D, QuickDraw 3D RAVE and OpenGL interfaces,
as well as others.
Video Accelerator/Video Capture
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Back end scaling
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Color interpolation during scaling for improved high resolution video quality
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Integrated 768 pixel wide dual video line buffers support filtered video scaling
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4 tap horizontal and 2 tap vertical scalers for high-quality, full-screen video
playback with MPEG-2 (720x480) sources
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YUV to ROB color space conversion with support for both packed and planar
YUV formats as follows:
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YUV422, YUV410 (YUV9), YUV420 (YUV12)
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RGB32, RGB16/15
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Built-in continuous brightness and gamma correction to correct 'dark' images
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Chroma keying for effective overlay of video on graphics
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Overlay true color video regardless of the current graphics mode
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New buffer and frame synchronization modes to reduce display tearing
