Seminarvortrag
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Transcript of Seminarvortrag
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Seminarvortrag
Grafikkarten der 6. Generation
Vortragender: Martin Ley
Betreuer: Prof. Dr. Norbert Link
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Übersicht
• Historie
• Marktanalyse
• GeForce4 NV25
• Vertex Shader
• Lightspeed Memory Architecture II Engine
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Historie
• 1982 - Monochrom
• 1983 - Color Graphics Adapter (CGA)
• 1985 - Enhanced Graphics Adapter (EGA)
• 1988 - Video Graphics Array (VGA)
• 1989 - Super Video Graphics Array (S-VGA)
• 1991 - Extended Video Graphics Array (X-VGA)
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Meilensteine
• 1982 - erstmals Grafik auf dem PC
• 1989 - erster VESA-Standard
• 1995 - nVidia stellt den ersten 3D-Beschleuniger (NV1) vor
• 1999 - Transform & Lighting
• 2000 - Hardware Anti-Aliasing
• 2001 - Vertex- und Pixel-Shader
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Übersicht
• Historie
• Marktanalyse
• GeForce4 NV25
• Vertex Shader
• Lightspeed Memory Architecture II Engine
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Marktanalyse
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Benchmark
GeForce4 (NV25) und Radeon (R200)
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Übersicht
• Historie
• Marktanalyse
• GeForce4 NV25
• Vertex Shader
• Lightspeed Memory Architecture II Engine
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GeForce4 NV25
• 63 Millionen Transistoren
• 128 MB Frame Buffer
• 650 Mhz DDR Memory
• 300 Mhz Core Clock
• 0,15-Mikrometer-Fertigungstechnik
• 128 Bit Speicherinterface
• 10,4 GB Speicherbandbreite
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Feature Overview
• Nfinite FX II Engine
• Accuview
• NView Display Technology
• Lightspeed Memory Architecture II Engine
• DirectX und S3TC Texture Compression
• High-Performance 2D Rendering Engine
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Feature Overview
• Betriebsysteme
Alle Windows Versionen
Linux
Mac OS
• API-Support:
DirectX 8.1
OpenGL 1.3
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Übersicht
• Historie
• Marktanalyse
• GeForce4 NV25
• Vertex Shader
• Lightspeed Memory Architecture II Engine
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Vertex Shader
• Weiterentwicklung der T&L Einheit
• dient zur Manipulation der Vertex Daten
• frei in Assembler programmierbar
• Dual Vertex Shaders
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Vertex Shader
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Vertex Shader
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Übersicht
• Historie
• Marktanalyse
• GeForce4 NV25
• Vertex Shader
• Lightspeed Memory Architecture II Engine
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Lightspeed Memory Architecture II
• Crossbar Memory Controller :
4 unabhängige 64 Bit-Controller
Optimierung der Speicherabtastung
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Lightspeed Memory Architecture II
• Quad Cache:
Vertex Cache
Primitive Cache
Texture Cache
Pixel Cache
• Z-Occlusion Culling
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?
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NView
2-Monitorbetrieb durch 2 getrennte RAMDACs (350 Mhz)