diff options
-rw-r--r-- | services/surfaceflinger/Layer.cpp | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp index 6f3c66d..03d7a02 100644 --- a/services/surfaceflinger/Layer.cpp +++ b/services/surfaceflinger/Layer.cpp @@ -196,12 +196,16 @@ void Layer::reloadTexture(const Region& dirty) } else { slowpath: GGLSurface t; - status_t res = buffer->lock(&t, GRALLOC_USAGE_SW_READ_OFTEN); - LOGE_IF(res, "error %d (%s) locking buffer %p", - res, strerror(res), buffer.get()); - if (res == NO_ERROR) { - mBufferManager.loadTexture(dirty, t); - buffer->unlock(); + if (buffer->usage & GRALLOC_USAGE_SW_READ_MASK) { + status_t res = buffer->lock(&t, GRALLOC_USAGE_SW_READ_OFTEN); + LOGE_IF(res, "error %d (%s) locking buffer %p", + res, strerror(res), buffer.get()); + if (res == NO_ERROR) { + mBufferManager.loadTexture(dirty, t); + buffer->unlock(); + } + } else { + // we can't do anything } } } |