[Bug 95406] glLogicOp (GL_XOR) does not work on AMD/ATI card

[Bug 95406] glLogicOp (GL_XOR) does not work on AMD/ATI card

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=95406

            Bug ID: 95406
           Summary: glLogicOp (GL_XOR) does not work on AMD/ATI card
           Product: DRI
           Version: XOrg git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Radeon
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: franz.reiter@cadcam.co.at

Linux-driver on Ubuntu 14.04.4/64-bit with card AMD/ATI Richland Radeon HD
8570D
  (AMD Radeon R7 240):

it seems that "glLogicOp (GL_XOR)" does not work:

..
  glLogicOp (GL_XOR);
  glEnable (GL_COLOR_LOGIC_OP);
..
  glPixelZoom (1.f, 1.f);
  glDrawPixels (rb_dx, rb_dy,  // width, height
      // GL_BLUE,  // yellow
      GL_GREEN,    // violet
      // GL_RED,   // cyan
      GL_FLOAT,
      fBuf);                   // data
  glDisable(GL_COLOR_LOGIC_OP);


creates a black background only.

Sourcecode: see function GL_RubberBox_draw in:
https://github.com/gcad3d/gcad3d/blob/master/src/gr/ut_GL.c

The proprietary AMD/ATI-driver and all Nvidia-cards/drivers work ok with this
code.

---------------------------------------------------------
CAD-CAM Services Ing. Franz Reiter
email franz.reiter@cadcam.co.at
http://www.cadcam.co.at
http://www.gcad3d.org
---------------------------------------------------------

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[Bug 95406] glLogicOp (GL_XOR) does not work on AMD/ATI card

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https://bugs.freedesktop.org/show_bug.cgi?id=95406

--- Comment #1 from Vedran Miletić <rivanvx@gmail.com> ---
Ubuntu 14.04 is a bit dated. Is it also broken on latest Mesa git?

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[Bug 95406] glLogicOp (GL_XOR) does not work on AMD/ATI card

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https://bugs.freedesktop.org/show_bug.cgi?id=95406

Franz Reiter <franz.reiter@cadcam.co.at> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |WORKSFORME
             Status|NEW                         |RESOLVED

--- Comment #2 from Franz Reiter <franz.reiter@cadcam.co.at> ---
my problem is solved; after:

sudo apt-get build-dep mesa
- this did install (add !) several packages *drm* *llvm* ..
- now the selection-box (rubber-box - by glLogicOp (GL_XOR)) works ! Thanks.


=======================================================
Grafic card is: [Radeon HD 8570 / R7 240/340 OEM]
OS is Ubuntu 14.04.4 - Linux 3.19.0.59

> dpkg -l | grep mesa
libegl1-mesa-lts-vivid:amd64                          10.5.9-2ubuntu1~trusty2
libgl1-mesa-dev                                       10.1.3-0ubuntu0.6
libgl1-mesa-dri-lts-vivid:amd64                       10.5.9-2ubuntu1~trusty2
libgl1-mesa-glx-lts-vivid:amd64                       10.5.9-2ubuntu1~trusty2
libglapi-mesa-lts-vivid:amd64                         10.5.9-2ubuntu1~trusty2
libgles1-mesa-lts-vivid:amd64                         10.5.9-2ubuntu1~trusty2
libgles2-mesa-lts-vivid:amd64                         10.5.9-2ubuntu1~trusty2
libwayland-egl1-mesa-lts-vivid:amd64                  10.5.9-2ubuntu1~trusty2
mesa-common-dev                                       10.1.3-0ubuntu0.6
mesa-utils                                            8.1.0-2


> ldd /usr/lib/gCAD3D/binLinux64/gCAD3D
libGL.so.1 => /usr/lib/x86_64-linux-gnu/mesa/libGL.so.1
lrwxrwxrwx   1 root root     14 Aug 21  2015 libGL.so.1 -> libGL.so.1.2.0
-rw-r--r--   1 root root 594456 Aug 21  2015 libGL.so.1.2.0

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