Opened 10 years ago
#14206 new defect
glPixelStorei(GL_UNPACK_ALIGNMENT,1) does not work
| Reported by: | sarladudu | Owned by: | |
|---|---|---|---|
| Component: | 3D support | Version: | VirtualBox 4.3.28 |
| Keywords: | opengl glPixelStorei | Cc: | |
| Guest type: | Windows | Host type: | Windows |
Description
This following code:
glPixelStorei(GL_UNPACK_ALIGNMENT,1); glTexImage2D(GL_TEXTURE_2D,0,GL_ALPHA8,width,height,0,GL_ALPHA,GL_UNSIGNED_BYTE,pixels);
Will work properly with a packed texture only if width is a multiple of 4. If for example width is 41 and the texture is packed (so each row is 41 bytes wide with 0 empty bytes between rows) then diagonal lines will appear in the texture. However the same code works properly outside of virtualbox on every machine/driver combination tested.
Note:
See TracTickets
for help on using tickets.
