GC Series GPU

Vivante GC Series GPU IP provides full featured 2D/3D graphics and video post processing capabilities to a range of consumer products, like mobile internet devices, cell phones, navigation systems, portable media players, cameras, handheld gaming systems, set-top boxes, and HDTV.

Programmable 2D          3D-only          2D + 3D

GC200                                 GC400              GC500

GC300                                                           GC600

                                                                      GC800

                                                                      GC1000

----------  2D/3D Features  ----------


API support

  • OpenGL ES 2.0 including all extensions
  • OpenGL ES 1.1
  • OpenVG

Hardware features

  • Complete floating point pipeline that generates high-quality images
  • High-quality anti-aliasing with 4x less memory and processing
  • Depth texture for high-quality shadow generation
  • Support for screen resolutions of 1080p and beyond

Hardware shaders

  • True unified vertex and fragment/pixel shader
  • True unified shader architecture
  • Full support for the OpenGL Shading Language without Appendix A exceptions
  • High-precision pipeline with support for long instructions
  • Dynamic branching in the pixel shader and non-constant varying indexing
  • Full support for OpenGL ES 2.0 shading language
  • Supports transform and lighting features of OpenGL ES 1.1
  • Supports fixed-function texture blending features of OpenGL ES 1.1
  • IEEE 32-bit single precision floating point support
  • 128-bit pipeline
  • Up to 128 vertex and/or fragment threads per shader

Texture Mapping

  • 1D/2D texture
  • Cubic environment texture
  • Projective texture
  • Bump map
  • Depth map up to 24-bit
  • High dynamic range (HDR) textures
  • Dependent texture operation with high performance
  • Point sample, bi-linear, and tri-linear texture filters
  • Supports 8 resident textures simultaneously
  • Supports texture size up to 8k x 8k

Video post-processing and peripherals

  • Color space conversion
  • High-quality image scaling
  • Camera preview

Full scene anti-aliasing support

  • Supports full scene anti-aliasing
  • >4x to 16x MSAA equivalent quality with minimal performance degradation
  • Patented anti-aliasing algorithm uses one-fourth the memory and processing power to achieve the same quality as multi-sample anti-aliasing

Dedicated 2D unit

  • All programmable 2D features

AHB interface

  • 256K addressable register space
  • 32-bit data bus
  • Handles error response for illegal accesses
  • Designed to support 200MHz in 65LP

AXI interface

  • AMBA AXI protocol-compliant
  • 32-bit address bus and 64-bit data bus
  • Multiple burst length (8B, 16B, 32B, or 64B)
  • High-performance out-of-order / multiple outstanding access
  • Supports out-of-order return data from multiple slaves
  • Designed to support 400MHz in 65LP
  • Asynchronous interface to the graphics core

----------  2D/3D GPU IP Cores  ----------

GC400 (3D-only)

  • 1.76 mm2 synthesis area at 300MHz (65nm process)
  • 704 thousand synthesis gates (ND2D1)
  • 286 thousand memory bits (no dual port memories)
  • 15 million triangles per second
  • 75 million vertices per second / 10 million triangles per second
  • 150 million textured pixels per second
  • 300 million depth-only pixels per second
  • 55 mW active power at 300MHz

GC500 (2D + 3D)

  • 2.45 mm2 synthesis area at 300MHz (65nm process)
  • 1.05 million synthesis gates (ND2D1)
  • 423 thousand memory bits (no dual port memories)
  • 15 million triangles per second
  • 75 million vertices per second / 10 million triangles per second
  • 150 million textured pixels per second
  • 300 million depth-only pixels per second
  • 81 mW active power at 300MHz

GC600 (2D + 3D)

  • 3.0 mm2 synthesis area at 300MHz (65nm process)
  • 1.3 million synthesis gates (ND2D1)
  • 508 thousand memory bits (no dual port memories)
  • 15 million triangles per second
  • 75 million vertices per second / 10 million triangles per second
  • 300 million textured pixels per second
  • 110 mW active power at 300MHz
  • 300 MHz core, 600 MHz shader

GC800 (2D + 3D)

  • 3.6 mm2 synthesis area at 300MHz (65nm process)
  • 1.6 million synthesis gates (ND2D1)
  • 524 thousand memory bits (no dual port memories)
  • 30 million triangles per second
  • 150 million vertices per second / 10 million triangles per second
  • 300 million textured pixels per second
  • 215 mW active power at 300MHz
  • 300 MHz core, 600 MHz shader

GC1000 (2D + 3D)

  • 4.4 mm2 synthesis area at 600MHz (65nm process)
  • 2.1 million synthesis gates (ND2D1)
  • 598 thousand memory bits (no dual port memories)
  • 45 million triangles per second
  • 300 million vertices per second / 10 million triangles per second
  • 600 million textured pixels per second
  • 241 mW active power at 600MHz

----------  Programmable 2D Features  ----------


  • OpenVG
  • BitBlt, rectangle fill, line, StretchBlt, and monochrome expansion support
  • ROP2, ROP3, ROP4 (transparency) support
  • Full alpha blending support
  • High-quality 9-tap filter for scaling
  • YUV-to-RGB conversion and 8-bit color lookup
  • 90°,180°, 270° rotation on every primitive
  • Full asynchronous operation through DMA command stream
  • Support for clipping rectangle
  • Supports up to 255 rectangles per primitive call
  • Simple programming interface
  • Very low CPU overhead – no need to wait until 2D engine is finished before changing states or issuing new commands
  • Allows batching of commands to further reduce CPU overhead (begin/end paradigm)
  • High-quality image and video scalar
    • Filter kernel size is programmable from 1x1 to 9x9
    • Vertical and horizontal kernel sizes are independently programmable
    • Filter coefficient can be programmed for any type of filter
    • Supports 32 filter phases
  • Programmable format conversion
    • Supports 10 source formats
    • Standard configuration supports 7 destination formats

----------  Programmable 2D GPU IP Cores  ----------

GC200 programmable 2D GPU

  • 300 million pixels per second
  • 0.43 mm2 synthesis area at 300MHz (65nm process)
  • 187 thousand synthesis gates (ND2D1)
  • 63 thousand memory bits (no dual port memories)
  • 13 mW active power at 300MHz

GC300 programmable 2D GPU

  • 300 million pixels per second
  • 0.73 mm2 synthesis area at 300MHz (65nm process)
  • 319 thousand synthesis gates (ND2D1)
  • 95 thousand memory bits (no dual port memories)
  • 21 mW active power at 300MHz