diff options
| author | Adel Gadllah <adel.gadllah@gmail.com> | 2014-02-24 20:44:42 +0100 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2014-03-13 14:19:21 -0700 |
| commit | a69fabc76cc5a8d744fb184bfc5a4096ee596c13 (patch) | |
| tree | f17c9fe43fc9f9fe0f77c9de67f380cf20bfd254 /src/glx/dri3_glx.c | |
| parent | 0b02d8a633da7ee19793eb12bb5ea407afe0de6f (diff) | |
| download | mesa-a69fabc76cc5a8d744fb184bfc5a4096ee596c13.tar.gz | |
dri3: Add GLX_EXT_buffer_age support
v2: Indent according to Mesa style, reuse sbc instead of making a new
swap_count field, and actually get a usable back before returning the
age of the back (fixing updated piglit tests). Changes by anholt.
Signed-off-by: Adel Gadllah <adel.gadllah@gmail.com>
Reviewed-by: Robert Bragg <robert@sixbynine.org> (v1)
Reviewed-by: Adel Gadllah <adel.gadllah@gmail.com> (v2)
Reviewed-by: Eric Anholt <eric@anholt.net>
Diffstat (limited to 'src/glx/dri3_glx.c')
| -rw-r--r-- | src/glx/dri3_glx.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/glx/dri3_glx.c b/src/glx/dri3_glx.c index ba801847671..b7dac8e67b5 100644 --- a/src/glx/dri3_glx.c +++ b/src/glx/dri3_glx.c @@ -1340,6 +1340,7 @@ dri3_swap_buffers(__GLXDRIdrawable *pdraw, int64_t target_msc, int64_t divisor, target_msc = priv->msc + priv->swap_interval * (priv->send_sbc - priv->recv_sbc); priv->buffers[buf_id]->busy = 1; + priv->buffers[buf_id]->last_swap = priv->send_sbc; xcb_present_pixmap(c, priv->base.xDrawable, priv->buffers[buf_id]->pixmap, @@ -1379,6 +1380,22 @@ dri3_swap_buffers(__GLXDRIdrawable *pdraw, int64_t target_msc, int64_t divisor, return ret; } +static int +dri3_get_buffer_age(__GLXDRIdrawable *pdraw) +{ + xcb_connection_t *c = XGetXCBConnection(pdraw->psc->dpy); + struct dri3_drawable *priv = (struct dri3_drawable *) pdraw; + int back_id = DRI3_BACK_ID(dri3_find_back(c, priv)); + + if (back_id < 0 || !priv->buffers[back_id]) + return 0; + + if (priv->buffers[back_id]->last_swap != 0) + return priv->send_sbc - priv->buffers[back_id]->last_swap + 1; + else + return 0; +} + /** dri3_open * * Wrapper around xcb_dri3_open @@ -1737,6 +1754,9 @@ dri3_create_screen(int screen, struct glx_display * priv) psp->copySubBuffer = dri3_copy_sub_buffer; __glXEnableDirectExtension(&psc->base, "GLX_MESA_copy_sub_buffer"); + psp->getBufferAge = dri3_get_buffer_age; + __glXEnableDirectExtension(&psc->base, "GLX_EXT_buffer_age"); + free(driverName); free(deviceName); |