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

Bitboys OyGraphics Hardware Workshop 2003 Outline Acceleon G30™ Acceleon family Architecture and features Advantages Hardware demonstration

Bitboys OyGraphics Hardware Workshop 2003 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

Bitboys OyGraphics Hardware Workshop 2003 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

Bitboys OyGraphics Hardware Workshop 2003 Architecture Acceleon G30™ graphics processor

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

Bitboys OyGraphics Hardware Workshop 2003 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

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

Bitboys OyGraphics Hardware Workshop 2003 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

Bitboys OyGraphics Hardware Workshop 2003 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

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

Bitboys OyGraphics Hardware Workshop 2003 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

Hardware demonstration