http://bugs.freedesktop.org/show_bug.cgi?id=13835
Summary: glDrawBuffers implemented incorrect when draw to
GL_BACK_LEFT
Product: Mesa
Version: CVS
Platform: x86 (IA32)
OS/Version: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/X11
AssignedTo: [email protected]
ReportedBy: [EMAIL PROTECTED]
CC: [EMAIL PROTECTED]
On i965 platform, when call glDrawBuffers to draw GL_FRONT_LEFT and
GL_BACK_LEFT, then read back the pixels, pixels in GL_FRONT_LEFT buffer is as
expected, but pixels in GL_BACK_LEFT buffer is incorrect.
On i915 platform, the bug does not exist. i965 driver has not implemented the
glDrawBuffers feature(multi render target), so I think this is mesa xlib's bug.
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