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Olivier Fourdan authored
The EGLstream backend's post damage function uses a shader and glDrawArrays() to copy the data from the glamor's pixmap texture prior to do the eglSwapBuffers(). However, glDrawArrays() can be affected by the GL state, and therefore not reliably produce the expected copy, causing the content of the buffer to be corrupted. Make sure to set the ALU to GXCopy prior to call glDrawArrays() to get the expected result. Signed-off-by: Olivier Fourdan <ofourdan@redhat.com> Suggested-by: Michel Dänzer <mdaenzer@redhat.com>
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