GPU-Accelerated Path Rendering - Presentation - GTC 2012

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Dashing Content ExamplesFrosting on cake is dashedelliptical arcs with roundend caps for “beaded” look;flowers are also dashingSame cakemissing dashedstroking detailsArtist made windowswith dashed linesegmentTechnical diagramsand charts often employdashingAll content shownis fully GPU renderedDashing character outlines for quilted look
Excellent Geometric Fidelity for Stroking• Correct stroking is hard– Lots of CPUimplementationsapproximate stroking• GPU-acceleratedstroking avoids suchshort-cuts– GPU has FLOPS tocompute true strokepoint containmentGPU-accelerated OpenVG referenceCairoQtStroking with tight end-point curve
Page 1 and 2: GPU-Accelerated Path Rendering
Page 3 and 4: Mark Kilgard• Principal System So
Page 5 and 6: GamesBattlefield 3, EA
Page 7 and 8: Product designCatia
Page 9 and 10: Interactive ray tracingOptiX
Page 11 and 12: Molecular modelingNCSA
Page 13 and 14: What about advancing 2D graphics?
Page 15 and 16: What is path rendering?• A render
Page 17 and 18: Path Rendering StandardsDocumentPri
Page 19 and 20: 3D Rendering vs. Path RenderingChar
Page 21 and 22: What is NV_path_rendering?• OpenG
Page 23 and 24: Detail on AlternativesConfiguration
Page 25 and 26: GeForce 650 (Kepler) Results
Page 27 and 28: NV_path_rendering is more than just
Page 29: Path Filling and Strokingjust filli
Page 33 and 34: Pixel pipelineVertex pipelinePath p
Page 35 and 36: • Path specification by string of
Page 37 and 38: Path Rendering Example (3 of 3)•
Page 39 and 40: “Stencil, then Cover”Path Fill
Page 41 and 42: “Stencil, then Cover”Path Strok
Page 43 and 44: First-class, Resolution-independent
Page 45 and 46: Handling Uncommon Path RenderingFun
Page 47 and 48: Path Geometric Queries• glIsPoint
Page 49 and 50: Mixing Depth Buffering andPath Rend
Page 51 and 52: 3D Path Rendering Details• Stenci
Page 53 and 54: Path Transformation ProcessPathobje
Page 55 and 56: Path Rendering Works withScissoring
Page 57 and 58: Complex Clipping Exampletiger is 24
Page 59 and 60: Example of Bump Mapping onPath Rend
Page 61 and 62: Anti-aliasing Strategy Benefits•
Page 63 and 64: GPU Advantages• Fast, quality fil
Page 65 and 66: Trying Out NV_path_rendering• Ope
Page 67 and 68: NV_path_rendering SDK Examples• A
Page 69 and 70: Whitepapers• “Mixing 3D and Pat
Page 71 and 72: SDK Example Walkthrough (2)pr_font_
Page 73 and 74: SDK Example Walkthrough (4)pr_tiger
Page 75 and 76: Questions?

GPU-Accelerated Path Rendering - Presentation - GTC 2012

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