diff options
Diffstat (limited to 'src/mesa/pipe/i915simple/i915_regions.c')
| -rw-r--r-- | src/mesa/pipe/i915simple/i915_regions.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/src/mesa/pipe/i915simple/i915_regions.c b/src/mesa/pipe/i915simple/i915_regions.c index cff90ab5dda..577a6adfd8d 100644 --- a/src/mesa/pipe/i915simple/i915_regions.c +++ b/src/mesa/pipe/i915simple/i915_regions.c @@ -59,10 +59,13 @@ i915_region_unmap(struct pipe_context *pipe, struct pipe_region *region) { struct i915_context *i915 = i915_context( pipe ); - if (!--region->map_refcount) { - i915->pipe.winsys->buffer_unmap( i915->pipe.winsys, - region->buffer ); - region->map = NULL; + if (region->map_refcount > 0) { + assert(region->map); + if (!--region->map_refcount) { + i915->pipe.winsys->buffer_unmap( i915->pipe.winsys, + region->buffer ); + region->map = NULL; + } } } |