diff options
Diffstat (limited to 'src/loader/loader_dri3_helper.c')
| -rw-r--r-- | src/loader/loader_dri3_helper.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/loader/loader_dri3_helper.c b/src/loader/loader_dri3_helper.c index b3c36e23ae9..1f666fcb8d4 100644 --- a/src/loader/loader_dri3_helper.c +++ b/src/loader/loader_dri3_helper.c @@ -503,6 +503,7 @@ loader_dri3_copy_sub_buffer(struct loader_dri3_drawable *draw, x, y, width, height, __BLIT_FLAG_FLUSH); } + loader_dri3_swapbuffer_barrier(draw); dri3_fence_reset(draw->conn, back); dri3_copy_area(draw->conn, dri3_back_buffer(draw)->pixmap, @@ -594,6 +595,7 @@ loader_dri3_wait_gl(struct loader_dri3_drawable *draw) front->height, 0, 0, front->width, front->height, __BLIT_FLAG_FLUSH); + loader_dri3_swapbuffer_barrier(draw); loader_dri3_copy_drawable(draw, draw->drawable, front->pixmap); } @@ -1257,6 +1259,7 @@ dri3_get_buffer(__DRIdrawable *driDrawable, } break; case loader_dri3_buffer_front: + loader_dri3_swapbuffer_barrier(draw); dri3_fence_reset(draw->conn, new_buffer); dri3_copy_area(draw->conn, draw->drawable, @@ -1430,3 +1433,18 @@ loader_dri3_update_drawable_geometry(struct loader_dri3_drawable *draw) free(geom_reply); } } + + +/** + * Make sure the server has flushed all pending swap buffers to hardware + * for this drawable. Ideally we'd want to send an X protocol request to + * have the server block our connection until the swaps are complete. That + * would avoid the potential round-trip here. + */ +void +loader_dri3_swapbuffer_barrier(struct loader_dri3_drawable *draw) +{ + int64_t ust, msc, sbc; + + (void) loader_dri3_wait_for_sbc(draw, 0, &ust, &msc, &sbc); +} |