G30™ A 3D graphics accelerator for mobile devices Petri Nordlund CTO, Bitboys Oy

1. G30™A 3D graphics accelerator for mobile devicesPetri NordlundCTO, Bitboys Oy

2. Outline • Acceleon G30™ • Acceleon family • Architecture and features • Advantages • Hardware demonstration Graphics Hardware Workshop 2003

3. Acceleon G30™ • A tiny graphics processor core for embedded- and handheld devices: • Mobile handsets • Gaming devices • PDAs • A member of the Acceleon™ family • Accelerating: • User-interface graphics • Vector graphics • 2D bitmap graphics • 3D graphics Graphics Hardware Workshop 2003

4. Acceleon™ family • Acceleon G30™ is part of a backwards-compatible family of graphics processor cores: • Acceleon G10™ • Anti-aliased vector graphics rendering • User interface- and vector font rendering • Acceleon G20™ • For volume-market handheld gaming platforms • 3D graphics rendering without Z-buffer • Acceleon Visual Platform™ • A complete visualization solution • Includes software and hardware Graphics Hardware Workshop 2003

5. Architecture • Acceleon G30™ graphics processor Graphics Hardware Workshop 2003

6. Features • Hardware rendering: • 2D graphics • Vector graphics • 3D graphics • Anti-aliasing with no performance penalty • Maximum display resolution: 1024x1024 • 16-bit color (1555, 4444, 565) • 24-bit internal color processing (6666) • Works with any host/memory interface Graphics Hardware Workshop 2003

7. Features: Vector graphics • Complex self-intersecting convex and concave polygons • Hardware Bezier curve tessellation – cubic and quadratic • Simple moveto(), lineto(), curveto(), fill() command interface • Alpha blending • Sub-pixel accurate rendering • Linear and radial gradients Graphics Hardware Workshop 2003

8. Features: 2D graphics • Bit-blit • Source, destination, pattern • YUV-to-RGB conversion • Raster operations • Sprites • Font rendering Graphics Hardware Workshop 2003

9. Features: 3D graphics • Compatible with OpenGL® ES 1.0 • Early version, hardware will be conformant with the final specification when it’s released • 16-bit hardware Z-buffer, 1-bit stencil • Flexible input vertex format • Points, lines and triangles • Scissor rectangle Graphics Hardware Workshop 2003

10. Features: 3D / texturing • Perspective correct texture mapping • One texture / pixel • Bilinear- and MIP-map filtering • Sub-texel accuracy • Compressed texture formats • On-chip texture cache Graphics Hardware Workshop 2003

11. Features: 3D / Pixel processing • Perspective correct shading • Ambient, diffuse, specular • Fog • Alpha blending • Alpha test • Logic operations • Stencil operations Graphics Hardware Workshop 2003

12. Advantages • “It’s smaller than you think” • One core for all graphics rendering • Tailored for mobile- and embedded devices • High image quality • Very low power consumption • Exceeds the standards • Backwards compatible family of products • No embedded memory Graphics Hardware Workshop 2003

13. Hardware demonstration