diff options
Diffstat (limited to 'src/glx')
| -rw-r--r-- | src/glx/dri2_glx.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/src/glx/dri2_glx.c b/src/glx/dri2_glx.c index ee07e606010..a58b3152c9d 100644 --- a/src/glx/dri2_glx.c +++ b/src/glx/dri2_glx.c @@ -439,12 +439,16 @@ dri2DrawableGetMSC(struct glx_screen *psc, __GLXDRIdrawable *pdraw, get_msc_cookie = xcb_dri2_get_msc_unchecked(c, pdraw->xDrawable); get_msc_reply = xcb_dri2_get_msc_reply(c, get_msc_cookie, NULL); + + if (!get_msc_reply) + return 0; + *ust = merge_counter(get_msc_reply->ust_hi, get_msc_reply->ust_lo); *msc = merge_counter(get_msc_reply->msc_hi, get_msc_reply->msc_lo); *sbc = merge_counter(get_msc_reply->sbc_hi, get_msc_reply->sbc_lo); free(get_msc_reply); - return 0; + return 1; } static int @@ -467,12 +471,16 @@ dri2WaitForMSC(__GLXDRIdrawable *pdraw, int64_t target_msc, int64_t divisor, divisor_hi, divisor_lo, remainder_hi, remainder_lo); wait_msc_reply = xcb_dri2_wait_msc_reply(c, wait_msc_cookie, NULL); + + if (!wait_msc_reply) + return 0; + *ust = merge_counter(wait_msc_reply->ust_hi, wait_msc_reply->ust_lo); *msc = merge_counter(wait_msc_reply->msc_hi, wait_msc_reply->msc_lo); *sbc = merge_counter(wait_msc_reply->sbc_hi, wait_msc_reply->sbc_lo); free(wait_msc_reply); - return 0; + return 1; } static int @@ -489,12 +497,16 @@ dri2WaitForSBC(__GLXDRIdrawable *pdraw, int64_t target_sbc, int64_t *ust, wait_sbc_cookie = xcb_dri2_wait_sbc_unchecked(c, pdraw->xDrawable, target_sbc_hi, target_sbc_lo); wait_sbc_reply = xcb_dri2_wait_sbc_reply(c, wait_sbc_cookie, NULL); + + if (!wait_sbc_reply) + return 0; + *ust = merge_counter(wait_sbc_reply->ust_hi, wait_sbc_reply->ust_lo); *msc = merge_counter(wait_sbc_reply->msc_hi, wait_sbc_reply->msc_lo); *sbc = merge_counter(wait_sbc_reply->sbc_hi, wait_sbc_reply->sbc_lo); free(wait_sbc_reply); - return 0; + return 1; } /** |