NEC SA2500 User Manual - page 51
User Guide
48
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■ 8 pixels per clock rendering engine
■ Hardware accelerated anti aliased points and lines
■ Hardware OpenGL overlay planes
■ Hardware accelerated two-sided lighting
■ Hardware accelerated clipping planes
■ 3rd-generation occlusion culling
■ 16 textures per pixel
■ Hardware-Accelerated Pixel Read-Back
Next Generation Shading Architecture
■ Fully programmable GPU (OpenGL 1.5/DirectX 9.0 class)
■ Long fragment and vertex programs (up to 65,536 instructions)
■ Looping and subroutines (up to 256 loops per vertex program)
■ Dynamic flow control
■ Conditional execution
High-Level Shader Languages
■ Optimized compilers for Cg, OpenGL shading language, and Microsoft HLSL
■ OpenGL 1.5 and DirectX 9.0 support
■ Open source compiler
Architecture
■ x16 PCI-Express
■ 128MB high-speed DDR frame buffer
■ 128-bit IEEE floating-point precision graphics pipeline
■ 128-bit color
■ 32-bit floating point frame buffer
■ 12-bit subpixel precision
Memory
■ High-speed memory (128MB GDDR3)
■ Advanced compression algorithms (color and Z data)