Computer Graphics Stack Exchange by Kiwix

Q&A for computer graphics researchers and programmers

Most popular questions

61 Should new graphics programmers be learning Vulkan instead of OpenGL? 2016-06-07T21:13:56.997

59 How can I debug GLSL shaders? 2015-08-07T08:24:33.827

50 Sharp Corners with Signed Distance Fields Fonts 2015-08-20T21:04:22.240

47 When is a compute shader more efficient than a pixel shader for image filtering? 2015-08-05T09:30:30.980

46 How is Gaussian Blur Implemented? 2015-08-05T03:58:22.973

41 Albedo vs Diffuse 2015-08-26T20:05:29.413

36 What is Ray Marching? Is Sphere Tracing the same thing? 2015-08-10T06:26:07.000

35 Sharing code between multiple GLSL shaders 2015-08-07T12:37:50.097

34 Why does monte carlo ray tracing perform better than distributed ray tracing? 2015-08-04T18:31:07.350

34 Are there common materials that aren't represented well by RGB? 2015-08-11T11:24:41.203

34 How physically-based is the diffuse and specular distinction? 2015-09-17T12:29:48.510

34 What is Importance Sampling? 2017-04-10T17:52:03.400

33 DirectX / OpenGL(Vulkan) concepts mapping chart 2016-12-27T08:51:10.870

29 Avoiding z-fighting with coincident surfaces 2015-08-07T07:38:01.290

29 How can virtual texturing actually be efficient? 2015-12-02T10:07:54.247

29 Path tracing the Cook-Torrance BRDF 2016-12-16T03:00:25.953

28 What is a stencil buffer? 2015-08-04T18:50:16.343

28 Does the original Perlin noise ever have any advantage over Simplex noise? 2015-08-04T19:40:54.970

28 What is the cost of changing state? 2015-08-05T03:23:24.500

25 Does a sphere projected into 2D space always result in an ellipse? 2015-09-15T11:55:18.913

24 Why is the transposed inverse of the model view matrix used to transform the normal vectors? 2015-09-15T21:08:13.860

24 Is my perspective math correct? 2015-11-27T10:59:41.930

23 What is the simplest way to compute principal curvature for a mesh triangle? 2015-11-13T17:38:28.863

23 Is Russian Roulette really the answer? 2016-04-16T21:40:19.773

22 Why do T-junctions in meshes result in cracks? 2015-09-08T23:27:42.983

22 What does "st" mean in the context of OpenGL? 2017-01-13T19:16:40.717

21 Why is thread safety such a huge deal for Graphics APIs? 2015-08-04T21:47:25.783

21 What is fwidth and how does it work? 2015-08-05T14:56:21.613

21 Anti-aliasing / Filtering in Ray Tracing 2016-03-02T15:28:59.727

21 Why does my Perlin Noise look "blocky"? 2016-05-15T17:06:14.197

20 Performance of vector graphics versus bitmap or raster graphics 2015-08-04T18:13:47.903

20 How is a light probe different than an environmental cube map? 2015-08-13T05:24:10.437

20 How to raytrace Bezier surfaces? 2015-08-30T21:59:24.907

20 What are Affine Transformations? 2015-09-01T00:39:04.890

19 How do correlated samples influence the behavior of a Monte Carlo renderer? 2015-08-10T23:43:46.900

19 Why is this conditional in my fragment shader so slow? 2015-08-15T21:28:31.733

19 What is Illustrator's vector rasterization process? 2015-12-22T02:47:08.040

19 How to properly combine the diffuse and specular terms? 2016-04-08T05:13:10.747

19 GLSL. Can someone explain why gl_FragCoord.xy / screenSize is performed and for what reason? 2017-10-14T11:30:50.603

18 Data structures for tile-based (deferred) rendering 2015-08-05T03:41:52.363

18 What is the "dipole approximation" for subsurface scattering? 2015-08-06T06:34:33.160

17 Is there any way to generate primitives in a geometry shader without any input geometry? 2015-08-04T18:39:29.303

17 What subdivision algorithm advances have occurred since Catmull-Clark? 2015-08-04T18:58:36.040

17 How can I debug what is being rendered to a Frame Buffer Object in OpenGL? 2015-08-04T20:05:43.820

17 Is gamma still important to take into account? 2015-08-05T16:33:33.160

17 Why integrate over a hemisphere (and not a sphere) to solve the rendering equation? 2015-08-21T14:51:37.063

17 Why is recursion forbidden in OpenCL? 2015-08-28T18:47:48.083

17 What's the current state-of-the-art algorithm for ray-tracing height-fields? 2015-11-16T15:25:18.107

17 Difference between rendering in OpenGL and 3D animation software 2015-12-21T07:14:25.690

17 What is Tessellation in computer graphics 2016-02-09T12:07:56.817


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