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Signed-off-by: Brian Paul <brianp@vmware.com>
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glXDestroyContext does not destroy the context if it's still
connected to some window. Unbind context from window to test it.
Signed-off-by: Brian Paul <brianp@vmware.com>
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Thanks to X server commit 2e2c5b216cc1c7a9bc26bd2c68226aaed5fc52ca
it is possible to be ABI compatible in version 2 with version 1 of
the DRI2 interface.
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Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
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We use the presence of the getBuffersWithFormat extension function to
detect whether the server automatically adds a front.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
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This code was not updated when we added TGSI_SEMANTIC_FACE a while ago.
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We were calling this from the CI span function, but not the RGBA
span function.
I don't know of a test program for the GL_EXT_depth_bounds_test
extension...
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The integer Z clamping range depends on the number of bits
in the Z buffer because that's the scale factor used when we
transform NDC coords by the viewport/depth range.
Fixes fd.o bug #25972 but only for Z buffers up to a depth
of 30 bits. Beyond that we get into messy integer overflow
issues and things fall apart.
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