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Revert "st/dri: no need to request fake front buffer, only handle it being returned" 

This reverts commit 1336989ec6.

The commit breaks frontbuffer rendering and the possibility to do
on-demand frontbuffer requests on all Xservers prior to 1.7.

The commit should be conditioned on a dri2 version check.
I've submitted a patch to Xserver to bump dri2 minor, and it's acked by Ian.

To be able to check the version from within the state tracker, we will
probably need another dri2 extension function that returns the server
version. The protocol has support for it.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
This commit is contained in:
Thomas Hellstrom 2010-01-11 21:32:13 +01:00
parent 01eff0e6d2
commit cb51f02678
1 changed files with 3 additions and 0 deletions
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3
src/gallium/state_trackers/dri/dri_drawable.c
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@ -180,6 +180,7 @@ dri_get_buffers(__DRIdrawablePrivate * dPriv)
switch (buffers[i].attachment) {
case __DRI_BUFFER_FRONT_LEFT:
continue;
case __DRI_BUFFER_FAKE_FRONT_LEFT:
index = ST_SURFACE_FRONT_LEFT;
format = drawable->color_format;
@ -367,6 +368,8 @@ dri_create_buffer(__DRIscreenPrivate * sPriv,
if (visual->doubleBufferMode)
drawable->attachments[i++] = __DRI_BUFFER_BACK_LEFT;
else
drawable->attachments[i++] = __DRI_BUFFER_FAKE_FRONT_LEFT;
if (visual->depthBits && visual->stencilBits)
drawable->attachments[i++] = __DRI_BUFFER_DEPTH_STENCIL;
else if (visual->depthBits)