There are some unit tests regarding points rendering in the WebGL Conformance Test Suites. If a browser bug is suspected, it might be worth checking if those tests pass. https://www.khronos.org/registry/webgl/sdk/tests/webgl-conformance-tests.html
E.g. https://www.khronos.org/registry/webgl/sdk/tests/conformance/rendering/point-size.html?webglVersion=1&quiet=0 2016-11-25 11:05 GMT+02:00 Floh <flo...@gmail.com>: > I have also seen problems with GL_POINTs and point size recently in some > browsers, but the fixes should be live by now, you can check here, use the > arrow left/right keys to increase/decrease point size: > > http://floooh.github.io/oryol/asmjs/PrimitiveTypes.html > > As Mark mentions below, you need to set gl_PointSize in the vertex shader > in WebGL. > > Cheers, > -Floh. > > > Am Donnerstag, 24. November 2016 03:59:02 UTC+8 schrieb Tero Pulkkinen: >> >> webgl with emscripten seems to do something odd with GL_POINTS in >> windows. Linux/mac builds works ok, but windows browsers seem to give just >> black screen where I expect some white points. normal opengl build in win32 >> works ok, so it is something webgl related. The generated emscripten >> javascript code is able to show the GL_POINTS; but only in linux/mac build. >> Every browser in windows seem to have this problem, I've tried it with two >> versions of chrome, edge and firefox, but they all seem to give just black >> screen where GL_POINTS are expected. I've tried nvidia's gfx card, and >> intel card, but both drivers are giving the same problem. >> >> I know shaders have some issues with number of uniform variables in >> webgl, such that the limits are very small, like 15 uniform variables, >> before it hits black screen kind of problems, but I don't think this piece >> of code goes above that limit. >> >> Is there anyone who has got GL_POINTS working in windows webgl under >> emscripten? >> >> // tp >> > -- > You received this message because you are subscribed to the Google Groups > "emscripten-discuss" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to emscripten-discuss+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "emscripten-discuss" group. To unsubscribe from this group and stop receiving emails from it, send an email to emscripten-discuss+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
