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OpenVG 1.1 Graphics Processing Unit (GPU)
ThinkVG is the smallest Graphics Processing Unit (GPU) in the market supporting the Khronos Group OpenVG 1.1 standard. It is an extremely low-gate count IP Core based on VShader, a C/C++ programmable Floating Point SIMD Streaming processor, designed for graphics applications. System Architecture is Scalable and embedded software allows flexibility. ThinkVG comes complete with Software Library implementing OpenVG 1.1 running on VShader and with API package running on host processor with emphasis on minimizing CPU overhead by the use of command lists and on reducing memory bandwidth by utilizing custom image compression hardware.
Features
- 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
Benefits
- Speed: up to 2 pixels/clock cycle fill-rate
- Area : 160K gates (including scan and clock gating, excluding memories)
- Pure technology indepedent Verilog RTL
- Modular Design based in AMBA AHB/AXI interface for easy SoC Integration.
- Synthesizable
- Customizable to your target technology
Deliverables
- Hardware
- HDL RTL
- Synthesis scripts
- STA scripts
- Testing rendering hundreds of images and comparison with expected results using Verilog testbench
- Example SoC
- Software
- OS support
- Linux driver 3.x
- Graphics API support
- OpenVG1.1
- Software Library in portable ANSI C
- Documentation
- IP Manual
- Integration Manual
- Demonstration platform
- Application Notes.
Video Demo of the OpenVG 1.1 Graphics Processing Unit (GPU) IP Core
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