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Document ECG026/0498
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Fog for fading effects, atmospheric effects, and depth-queuing.
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Anti-aliasing to provide smooth colors and removes jagged lines for high quality, realistic
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rendered scenes.
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Alpha-blending for creating transparent effects such as an object behind a window.
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Bilinear and trilinear mip mapping
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2,000,000 Gouraud shaded, textured polygons per second (25 pixel triangles) with lighting,
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z-buffering, blending, and fogging enabled.
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60 million bilinear MIP-mapped pixels per second.
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30 million trilinear textured pixel per second.
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Table 8: Fire GL Technical specifications
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3D/2D Controller
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VGA Controller
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Bus Type
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RAMDAC
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Memory Type
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Frame Buffer and Z-buffer
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Memory Amount
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Texture Mapping Memory
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Amount
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Memory throughput
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Data Path
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Controller Clock Speed
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Max Vertical Refresh Rate
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Max Pixel clock
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Hardware Accelerated 3D:
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32-bit Z-buffering
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Gouraud shading
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Stencils
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Texture mapping
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Trilinear mip mapping
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Operating Systems
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* Available at a later date.
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3D Performance Comparison
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The ELSA GLoria-XL supports high resolutions up to 1920 x 1200 for professional 3D
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applications. To distinguish the ELSA Gloria-XL from the ELSA Gloria-L and Diamond Fire
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GL 4000 graphics options, the table below highlights the main feature differences:
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17
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3DPro (Mitsubishi/Evans &
Sutherland)
CIRRUS Logic 5446
PCI
220 MHz Texas
Instruments TVP3026
3D-RAM and CDRAM
15MB 3D-RAM
16MB CDRAM
3D-RAM- 10ns
CDRAM- 15ns
64-bit (3Dpro)
32-bit (CIRRUS)
70MHz
120Hz
220MHz
Yes
Yes
Yes
Yes
Yes
Windows NT 3.51/4.0
Windows 95*
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