diff options
Diffstat (limited to 'include/gui/IGraphicBufferProducer.h')
| -rw-r--r-- | include/gui/IGraphicBufferProducer.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/gui/IGraphicBufferProducer.h b/include/gui/IGraphicBufferProducer.h index 2d99f24..5c50b2b 100644 --- a/include/gui/IGraphicBufferProducer.h +++ b/include/gui/IGraphicBufferProducer.h @@ -458,6 +458,18 @@ public: // allocated, this function has no effect. virtual void allocateBuffers(bool async, uint32_t width, uint32_t height, PixelFormat format, uint32_t usage) = 0; + + // Sets whether dequeueBuffer is allowed to allocate new buffers. + // + // Normally dequeueBuffer does not discriminate between free slots which + // already have an allocated buffer and those which do not, and will + // allocate a new buffer if the slot doesn't have a buffer or if the slot's + // buffer doesn't match the requested size, format, or usage. This method + // allows the producer to restrict the eligible slots to those which already + // have an allocated buffer of the correct size, format, and usage. If no + // eligible slot is available, dequeueBuffer will block or return an error + // as usual. + virtual status_t allowAllocation(bool allow) = 0; }; // ---------------------------------------------------------------------------- |