ThinkVG Features

ThinkVG Features

• Speed: up to 2 pixels/clock cycle fill-rate
• Area : 160K gates (including scan and clock gating, excluding memories)

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• Pure technology indepedent Verilog RTL
• Modular Design based in AMBA AHB/AXI interface for easy SoC Integration.
• Synthesizable
• Customizable to your target technology

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• Polygon Processor
• Polygon Filling (odd-even, no-zero rules)
• Direct Bezier Rasterization
• Triangle/Quadrilateral rasterization
• Modes: Non-Antialiased, AntiAliased x4, x8, x16 point multisampling(opt)
• Screen-aware subpixel antialiased Rendering(opt)
• VShader Processor
• Unified Shader Architecture
• 512-bytes Instruction Cache (configurable)
• 2048-bytes Cache (configurable)
• High and low precision floating point arithmetic
• Multiple SIMD fp Floating Point Units
• Direct support for Reciprocals and Square roots
• Colour Format Conversions
• Zero-cost loops
• Streaming Ports
• Fully programmable with C/C++ Compiler
• Texture Mapping Engine
• Any Image Size
• Point Sampling
• Texture Caching
• Propriatory Texture Compression support
• Bilinear Filtering Image interpolations
• Pixel Blender Processor
• Programmable Parallel Blender Processor
• Supports OpenVG colour surface formats
• Alpha Blending/Coverage Blending
• Porter-Duff Blending modes
• Gamma/DeGamma support
• Paint Application
• Linear Fills
• Radial Fills
• Pattern Fills

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• MJPEG Decoder (optional)
• VGA/LCD Controller (optional)

OpenVG is a trademark of Khronos Group Inc.
AMBA, APB, AHB, AXI are trademarks ARM Ltd, Cambridge UK.

VShader GPU Core

VShader SIMD

At the heart of Think-Silicon GPUs is the VShader Processor Core

Unified Shader Architecture

Parallel Instructions

High and Low precision floating point arithmetic

Multiple SIMD fp Floating Point Units

Direct support for Reciprocals and Square roots

Colour Format Conversions

Zero-cost loops

Streaming Ports

Fully programmable with C/C++ Compiler

Software Drivers

The following software are provided

Linux Framebuffer Drivers

Linux Kernel Drivers

Software API OpenVG Library

Screenshots

16x Antialiasing

High Quality 16x Sparse Multisampling AA provides very smooth polygon edges. Sampling Pattern is fully programmable and can even include samples outside the test pixel.

Text Rasterization

direct text rasterization directly using TrueType data and 16x AA

with subpixel rendering mode enabled

Fast multiple Convolution Engines

Multiple caching pipeline Convolution Engine

Original

Convoluted

Image Warping

Projective Transformation

Format Conversions

zero cost dithering

reduced to RGBA4444 format no dithering

with dithering