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dri3: cache pointer to back instead of looking up.

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This is just prep work for the dri3 prime patches.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie
2014-06-27 11:47:33 +10:00
parent 11a879f260
commit b94dc944df
1 changed files with 9 additions and 8 deletions
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17
src/glx/dri3_glx.c
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@@ -1331,7 +1331,7 @@ dri3_swap_buffers(__GLXDRIdrawable *pdraw, int64_t target_msc, int64_t divisor,
struct dri3_screen *psc = (struct dri3_screen *) priv->base.psc;
Display *dpy = priv->base.psc->dpy;
xcb_connection_t *c = XGetXCBConnection(dpy);
int buf_id = DRI3_BACK_ID(priv->cur_back);
struct dri3_buffer *back;
int64_t ret = 0;
unsigned flags = __DRI2_FLUSH_DRAWABLE;
@@ -1339,10 +1339,11 @@ dri3_swap_buffers(__GLXDRIdrawable *pdraw, int64_t target_msc, int64_t divisor,
flags |= __DRI2_FLUSH_CONTEXT;
dri3_flush(psc, priv, flags, __DRI2_THROTTLE_SWAPBUFFER);
back = priv->buffers[DRI3_BACK_ID(priv->cur_back)];
dri3_flush_present_events(priv);
if (priv->buffers[buf_id] && !priv->is_pixmap) {
dri3_fence_reset(c, priv->buffers[buf_id]);
if (back && !priv->is_pixmap) {
dri3_fence_reset(c, back);
/* Compute when we want the frame shown by taking the last known successful
* MSC and adding in a swap interval for each outstanding swap request
@@ -1351,11 +1352,11 @@ dri3_swap_buffers(__GLXDRIdrawable *pdraw, int64_t target_msc, int64_t divisor,
if (target_msc == 0)
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;
back->busy = 1;
back->last_swap = priv->send_sbc;
xcb_present_pixmap(c,
priv->base.xDrawable,
priv->buffers[buf_id]->pixmap,
back->pixmap,
(uint32_t) priv->send_sbc,
0, /* valid */
0, /* update */
@@ -1363,7 +1364,7 @@ dri3_swap_buffers(__GLXDRIdrawable *pdraw, int64_t target_msc, int64_t divisor,
0, /* y_off */
None, /* target_crtc */
None,
priv->buffers[buf_id]->sync_fence,
back->sync_fence,
XCB_PRESENT_OPTION_NONE,
target_msc,
divisor,
@@ -1378,7 +1379,7 @@ dri3_swap_buffers(__GLXDRIdrawable *pdraw, int64_t target_msc, int64_t divisor,
if (priv->have_fake_front) {
dri3_fence_reset(c, priv->buffers[DRI3_FRONT_ID]);
dri3_copy_area(c,
priv->buffers[buf_id]->pixmap,
back->pixmap,
priv->buffers[DRI3_FRONT_ID]->pixmap,
dri3_drawable_gc(priv),
0, 0, 0, 0, priv->width, priv->height);