Industry-Leading Feature Set Designed for Customer Value
Silicon Graphics® Octane2 now provides four
breakthrough VPro graphics options. The newest graphics
subsystems, the next generation V10 and V12, double the
geometry performance of the industry-leading V6 and V8
graphics. VPro graphics are available in two graphics
memory configurations on Octane2:
32MB (V6 and the
128MB (V8 and the high-performance
V12 with its expanded feature set)
VPro graphics for Octane2developed entirely by
SGIoffers the very best graphics performance available
with an unprecedented feature set, including many industry
- Up to 128MB graphics memory including 104MB texture memory capacity
- Hardware acceleration of OpenGL® 1.2 core features and imaging extensions
- Hardware-accelerated specular shading (or per-pixel normal lighting with interpolation) for realistic Phong effects without a performance penalty
- Advanced texture management with asynchronous texture download capability
- 48-bit (12-bit per component) RGBA
- 96-bit hardware-accelerated accumulation buffer for depth of field, full-scene anti-aliasing, motion blurs, and other effects
- Perspective-correct textures and colors
- High-performance hardware clipping
Choose Octane2 for Extreme Visual Quality and Accuracy
Octane2 features a 12-bit per color component path (48-bit RGBA) for all operations throughout the pixel pipeline.
The higher resolution, combined with perspective-correct color and texture, equates to more accurate color,
more realistic blending of colors for transparent objects, higher quality volume visualization using 3D textures,
and expanded image processing capabilities. High resolution is retained through the display interface,
where 10-bit per component digital to analog converters ensure the very highest color accuracy.
The Octane2 workstation's hardware accelerated specular shading also introduces a new level of accuracy to
desktop graphics. Specular shading produces accurate highlights. Traditional Gouraud lighting can distort highlights,
especially when rendering coarsely tessellated solids. This is the result of calculating the color only at each
triangle vertex and then interpolating that color across the triangle. By contrast, specular shading interpolates
normals (not colors) and does an interpolation for each pixel. In this way, specular shading provides a more
accurate representation of the curvature of surfaces, improving the viewer's ultimate understanding of the model.
Octane2 offers high-performance graphics in a
high-bandwidth system for maximum performance and
interactivity. Octane2 with VPro graphics features OpenGL
on a Chip for full hardware acceleration of the OpenGL 1.2
pipeline and also offers hardware acceleration of the
OpenGL ARB imaging extensions. The integrated image and
texture engine dramatically speeds up texture loading for
fast rendering of large, complex models or volumetric
data. The asynchronous texture download capability
streamlines texture management for even better graphics
performance when processing large textures. High- speed,
configurable graphics memory allows you to customize and
vary the resolution and the size of the frame buffer for
the requirements of particular imaging operations.
Octane2 Graphics Libraries
OpenGL is an industry-standard graphics development environment. OpenGL is a cross-platform portable
API that enables 2D, 3D, and imaging applications to be developed once for deployment to a variety of
hardware platforms with different operating systems and windowing environments. OpenGL includes operations
for geometric and raster primitives, viewing and modeling transformations, lighting, shading, blending,
fog, hidden surface removal, and texture mapping.
- Open Inventor
Open Inventor is an object-oriented 3D graphics toolkit that presents a programming model based on a 3D
scene database. It provides a rich set of objects to speed up your development and extend 3D programming
beyond OpenGL, X11, and Motif . The objects include cubes, polygons, text, material, camera, lights, trackballs,
handle boxes, and 3D viewers and editors. Like OpenGL, Open Inventor is a cross-platform portable API.
- OpenGL Performer
The OpenGL Performer toolkit gives developers the means to achieve a fast consistent frame rate for applications
in the areas of visual simulation, interactive entertainment, and simulation-based design. OpenGL Performer has
the intelligence to evaluate underlying hardware and optimize for best performance. Key benefits include simplified
management of the visual database and maximum performance for scene rendering for all SGI® workstations.
- OpenGL Optimizer
The OpenGL Optimizer Application Programming Interface (API) provides the technology necessary to build applications
that enable users to realize the benefits of digital prototyping and large database interaction. OpenGL Optimizer is a
C++, 3-D graphics API built on the industry standard, OpenGL. OpenGL Optimizer extends the power of OpenGL by enabling
the high-performance rendering of and interaction with extremely large databases. Within the extensible, object-oriented
framework of the OpenGL Optimizer API, developers can simplify large models, reduce scene complexity by removing objects
that are behind other objects, and transparently utilize all available processors in the machine. The OpenGL Optimizer
API takes advantage of the fact that distant objects don't need the detail that up-close objects require. It provides
tools that enable the developer to create as many Levels of Detail (LOD) as necessary for efficient rendering.
Many graphics systems today provide developers with view frustum culling-the removal of objects that are not in view.
Though useful, this function does little for complex scenes where the majority of the geometry is in view.
The OpenGL Optimizer API provides a general framework for culling that includes view frustum culling as well as occlusion
culling the removal of objects that are hidden behind other objects and back patch culling.
Simplification and culling techniques help to minimize the amount of data that gets rendered. Ultimately, however,
the graphics hardware renders polygons. The OpenGL Optimizer API provides many advanced tessellation routines that
generate optimal polygonal surfaces from trimmed parametric surfaces including NURBs. Highly curved surfaces are
densely tessellated while flatter areas are sparsely tessellated.