[mythtv-commits] Ticket #9507: [patch] OpenGL bicubic filter (legacy)

MythTV noreply at mythtv.org
Sun Jan 23 20:48:36 UTC 2011

#9507: [patch]  OpenGL bicubic filter (legacy)
     Reporter:  Jiri Fojtasek <jiri.fojtasek@…>  |      Owner:  janne
         Type:  Patch - Bug Fix                  |     Status:  new
     Priority:  trivial                          |  Milestone:  unknown
    Component:  MythTV - Video Playback          |    Version:  Trunk Head
     Severity:  low                              |   Keywords:
Ticket locked:  0                                |
 This patch fixing:

 - A bug introduced in commit
 https://github.com/MythTV/mythtv/commit/61453e219 causing bottom and left
 screen pixel shimering (green or/and random pixels)

 - Adding support for rectangual textures when using openglbicubic resizer.

 Optimal will be chage also:[[BR]]
 "MAD coord.xy, fragment.texcoord[0], {%6, %7}, {0.5, 0.5};\n"[[BR]]
 "ADD coord.xy, fragment.texcoord[0], {0.5, 0.5};\n"[[BR]]
 when using rectangual texture but diference betwen those two instructions
 are negligible.

 Changes was tested with Radeon X1300 opensource drivers (gallium and
 classsic) with legacy profile, since high profile is not finished yet.


Ticket URL: <http://code.mythtv.org/trac/ticket/9507>
MythTV <http://code.mythtv.org/trac>
MythTV Media Center

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