| 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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