VT8501 datasheet(10/17 Pages) ETC

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VT8501 Apollo MVP4

Revision 1.3 February 1, 2000

-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 located in System Memory

− 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

• High Performance rCADE3D™ Accelerator

− 32 entry command queue, 32 entry data queue

− 4Kbyte texture cache with over 90% hit rates

− Pipelined 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

− D3D compressed texture formats DXT1 and DXT2

− Anisotropic texture filtering

− 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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