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authorDave Airlie <airlied@redhat.com>2015-10-09 01:38:08 +0100
committerDave Airlie <airlied@gmail.com>2015-10-31 16:04:36 +1000
commit2b676570960277d47477822ffeccc672613f9142 (patch)
tree84194de9b3e72ac548512b07c57e6a938d5efa19 /src/gallium/winsys/sw/gdi
parent103de0225b1e22aabc3e132ff30393765061ff03 (diff)
gallium/swrast: fix front buffer blitting. (v2)
So I've known this was broken before, cogl has a workaround for it from what I know, but with the gallium based swrast drivers BlitFramebuffer from back to front or vice-versa was pretty broken. The legacy swrast driver tracks when a front buffer is used and does the get/put images when it is mapped/unmapped, so this patch attempts to add the same functionality to the gallium drivers. It creates a new context interface to denote when a front buffer is being created, and passes a private pointer to it, this pointer is then used to decide on map/unmap if the contents should be updated from the real frontbuffer using get/put image. This is primarily to make gtk's gl code work, the only thing I've tested so far is the glarea test from https://github.com/ebassi/glarea-example.git v2: bump extension version, check extension version before calling get image. (Ian) Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=91930 Cc: <mesa-stable@lists.freedesktop.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'src/gallium/winsys/sw/gdi')
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