Bug 735512 - alpha channel is broken in FC15 SDL_gfx-2.0.17
Summary: alpha channel is broken in FC15 SDL_gfx-2.0.17
Keywords:
Status: CLOSED WONTFIX
Alias: None
Product: Fedora
Classification: Fedora
Component: SDL_gfx
Version: 15
Hardware: x86_64
OS: Linux
unspecified
high
Target Milestone: ---
Assignee: Matthias Saou
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2011-09-02 20:55 UTC by Alain Baeckeroot
Modified: 2012-08-07 17:01 UTC (History)
2 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2012-08-07 17:01:49 UTC


Attachments (Terms of Use)
simple test file showing the bug (red square should be half transparent) (2.30 KB, text/x-csrc)
2011-09-02 20:55 UTC, Alain Baeckeroot
no flags Details

Description Alain Baeckeroot 2011-09-02 20:55:13 UTC
Created attachment 521286 [details]
simple test file showing the bug (red square should be half transparent)

Description of problem:
On fedora 15, using SDL_gfx-2.0.17
The alpha channel is NOT alpha, it is opaque.


Version-Release number of selected component (if applicable):
 SDL_gfx-2.0.17  (fedora 15)

How reproducible:
 
 compile the attached test_sdlgfx.c  (instruction inside the file
 it uses filledPolygonRGBA fucntion

 it produces an OPAQUE red square on top of blue triangle, not a TRANSPARENT red square.


Additional info:
This is fixed in SDL_gfx-2.0.22  (according to the changelog maybe in 2.0.18, but i tested only the latest 2.0.22)

This make Lincity-ng game totatlly unusable with SDL (but gl is still playable if available)

Comment 1 Fedora End Of Life 2012-08-07 17:01:52 UTC
This message is a notice that Fedora 15 is now at end of life. Fedora
has stopped maintaining and issuing updates for Fedora 15. It is
Fedora's policy to close all bug reports from releases that are no
longer maintained. At this time, all open bugs with a Fedora 'version'
of '15' have been closed as WONTFIX.

(Please note: Our normal process is to give advanced warning of this
occurring, but we forgot to do that. A thousand apologies.)

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