RADEON™X1900 XT Chipset Features and Specifications
• Support for Microsoft® DirectX® 9.0 programmable vertex and pixel shaders in hardware.
• DirectX® 9.0 Vertex Shaders
- Vertex programs up to 65,280 instructions with flow control
- Single cycle trigonometric operations (SIN & COS)
• DirectX® Extended 9.0 Pixel Shaders
- Up to 1,536 instructions and 16 textures per rendering pass
- 32 temporary and constant registers
- Facing register for two-sided lighting
- 128-bit, 64-bit & 32-bit per pixel floating point color formats
- Multiple Render Target (MRT) support
• Complete feature set also supported in OpenGL® via extensions
• 2x/4x/6x Anti-Aliasing modes & 2x/4x/8x/16x Anisotropic Filtering modes
• High quality 4:1 Normal Map Compression
• Works with any two-channel data format
• 3-level Hierarchical Z-Buffer with Eany Z Test
• Lossless Z-Buffer Compression (up to 48:1)
• Fast Z-Buffer Clear and Z Cache optimized for real-time shadow rendering
• Optimized for performance at high display resolutions, including widescreen HDTV resolutions
• Seamless integration of pixel shaders with video in real time
• FULLSTREAM™ video de-blocking techn.......

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