VT8601 Apollo ProMedia
Revision 1.3 September 8, 1999
-4-
Features
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• General Graphic Capabilities
− 64-bit Single Cycle 2D/3D Graphics Engine
− Supports 2 to 8 Mbytes of Frame Buffer
− Real Time DVD MPEG-2 and AC-3 Playback
− Video Processor
− I2C Serial Interface
− Integrated 24-bit 230MHz True Color DAC
− Extended Screen Resolutions up to 1600x1200
− Extended Text Modes 80 or 132 columns by 25/30/43/60 rows
− DirectX 6 and OpenGL ICD API
• Graphics Performance
− Sustained 1M polygons/second and 100M pixels/second
− 30fps DVD playback of 9.8Mbps MPEG-2 video with 30% headroom
− Host Based AC-3 decode at only 8% utilization
• High Performance rCADE3D™ Accelerator
− 32 entry command queue, 32 entry data queue
− 4Kbyte texture cache with over 90% hit rates
− Pipelined Single Cycle Setup/Texturing/Rendering Engines
− DirectDraw™ acceleration
− Multiple buffering and page flipping
Setup Engine
− 32-bit IEEE floating point input data
− Slope and vertex calculations
− Back facing triangle culling
− 1/16 sub-pixel positioning
Rendering Engine
− High performance single pass execution
− Diffused and specula lighting
− Gouraud and flat shading
− Anti-aliasing including edge, scene, and super-sampling
− OpenGL compliant blending for fog and depth-cueing
− 16-bit Z-buffer
− 8/16/32 bit per pixel color formats
Texturing Engine
− 1/2/4/8-bits per pixel compact palletized textures
− 16/32-bits per pixel quality non-palletized textures
− Pallet formats in ARGB 565, 1555, or 444
− Tri-linear, bi-linear, and point-sampled filtering
− Mip-mapping with multiple Level-Of-Detail (LOD) calculations and perspective correction
− Color keying for translucency
2D GUI Engine
− 8/15/16/24/32-bits per pixel color formats
− 256 Raster Operations (ROPs)
− Accelerated drawing: BitBLTs, lines, polygons, fills, patterns, clipping, bit masking
− Panning, scrolling, clipping, color expansion, sprites
− 32x32 and 64x64 Hardware Cursor
− DOS graphics and text modes
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