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

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G30A 3D graphics
accelerator for mobile devicesPetri
NordlundCTO, Bitboys Oy
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Outline

• Acceleon G30
• Acceleon family
• Architecture and features
• Advantages
• Hardware demonstration

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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

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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

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Architecture

• Acceleon G30 graphics processor

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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

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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

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Features 2D graphics

• Bit-blit
• Source, destination, pattern
• YUV-to-RGB conversion
• Raster operations
• Sprites
• Font rendering

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Features 3D graphics

• Compatible with OpenGL ES 1.0
• Early version, hardware will be conformant with
  the final specification when its released
• 16-bit hardware Z-buffer, 1-bit stencil
• Flexible input vertex format
• Points, lines and triangles
• Scissor rectangle

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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

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Features 3D / Pixel processing

• Perspective correct shading
• Ambient, diffuse, specular
• Fog
• Alpha blending
• Alpha test
• Logic operations
• Stencil operations

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Advantages

• Its 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

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Hardware demonstration