4D Volume Rendering - Nvidia

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Multi-GPU Distributed RenderingSort-last rendering – Data distribution & ImageGPU #2GPU #3CompositionData Distribution +RenderGPU #0GPU #1RenderDisplayAlpha Composite
CompleX Middleware• Part of Nvidia ApplicationAcceleration Engine (AXE)• APIs for– Volume/polygonal data distributionacross multi-GPU– Composition with depth or alpha• OpenGL based, quadroplex only• On new fermi Quadro’s,download+render+readback inparallel!GPU 0(Onscreen)CompositeAppDownloadGPU 1(FBO)ReadbackGPU 2(FBO)GPU 3(FBO)http://www.nvidia.com/object/complex.html
Page 1 and 2: 4D Volume RenderingShalini Venkatar
Page 3 and 4: Outline• Volume rendering techniq
Page 5 and 6: Transfer function lookupTexture 1//
Page 7: CUDA RaycastingInitdim3 m_blockSize
Page 10 and 11: Multi-pass raycasting - OpenGLFBOFr
Page 12 and 13: Pass 2- Draw on-screen quadInvoke r
Page 14 and 15: 4D - Caching all time steps• When
Page 16 and 17: Texture Streaming• When graphics
Page 18 and 19: CPU Asynchronous streaming• Non C
Page 20 and 21: PBO Implementation- DrawDraw - app-
Page 22 and 23: GPU Async - ImplementationMain draw
Page 26 and 27: Stereo in Volume Rendering• Provi
Page 28: Demo and Q&Ashaliniv@nvidia.comSeis

4D Volume Rendering - Nvidia

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