Databases
StackOverflow2013
Postsdbo
POgl_PointCoord in OSX 10.7 Lion
 

Note that there are some explanatory texts on larger screens.

plurals
  1. POgl_PointCoord in OSX 10.7 Lion
    primarykey
    data
    text
    <p>I've come against a really bizarre shader error in many of the particle examples for Three.js. In the latest Chrome and Firefox in OSX 10.7, gl_PointCoord returns (1,0) for every single fragment. This is found in a few of the included examples as well. Specifically, the <a href="http://mrdoob.github.com/three.js/examples/webgl_particles_billboards.html" rel="nofollow" title="Particle Billboards">Particle Billboards</a> example, the <a href="http://mrdoob.github.com/three.js/examples/webgl_particles_billboards_colors.html" rel="nofollow" title="Particle Billboard Colors">Particle Billboard colors</a> example, and the <a href="http://mrdoob.github.com/three.js/examples/webgl_particles_sprites.html" rel="nofollow" title="Particle Sprites">Particle Sprites</a> examples do not work. They render nothing to the screen. However, the <a href="http://mrdoob.github.com/three.js/examples/webgl_custom_attributes_particles.html" rel="nofollow" title="Custom Attributes">Custom Attributes</a> example works fine, despite having almost the exact same code.</p> <p>I found this bug while running compatibility checks on my own software. I wrote a shader which renders text sprites using particles. This works fine in 10.6, Windows, and Linux. However, 10.7 renders nothing. Further debugging by setting gl_FragCOlor = vec4(gl_PointCoord, 0., 1.); revealed that all the particles get rendered as solid red squares, instead of the expected red-green gradient.</p> <p>I've been trying to determine what exactly is the difference between the examples that make Custom Attributes work, but not Particle Billboards, but I haven't made very much headway yet. This is exacerbated by the lack of a testing platform, aside from borrowing friends' laptops. Is this a known OS bug?</p>
    singulars
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. PTQuestion
    1. This table or related slice is empty.
    1. USjamesshuang
    plurals
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. VO
      singulars
      1. POgl_PointCoord in OSX 10.7 Lion
      1. This table or related slice is empty.
      1. VTUpMod
    1. COafter updating to macos 10.7 (lion) my point sprites are also missing. the same code works on windows. It's native opengl compatibility (i.e. no 3.2 core)
      singulars
      1. POgl_PointCoord in OSX 10.7 Lion
      1. USJochen
 

Querying!

 
Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

SQuiL has stopped working due to an internal error.

If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

Reload