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Commit cd883bc1 authored by John Reck's avatar John Reck
Browse files

Address ANAPIC feedback 

Also adds recommended combination for FRONT_BUFFER as
that was feedback from implementers

Fixes: 217752219
Test: N/A doc only change
Change-Id: I086597d14cc7d9d1a0b620b73297aaa3e6288773
parent 7b7e4616

graphics/allocator/aidl/android/hardware/graphics/allocator/IAllocator.aidl

+2 −2
Original line number Diff line number Diff line
@@ -29,8 +29,8 @@ interface IAllocator { 
     * @param descriptor Properties of the buffers to allocate. This must be

     *     obtained from IMapper::createDescriptor().

     * @param count The number of buffers to allocate.

     * @return An AllocationResult containing the result of an error, or

     *         an AllocationError status

     * @return An AllocationResult containing the result of the allocation

     * @throws AllocationError on failure

     */

    AllocationResult allocate(in byte[] descriptor, in int count);

}

graphics/common/aidl/android/hardware/graphics/common/BufferUsage.aidl

+8 −0
Original line number Diff line number Diff line
@@ -125,6 +125,14 @@ enum BufferUsage { 
    * presents from SF (such as for panel self-refresh), but for any given

    * present the buffer must be composited from even if it otherwise appears

    * to be the same as a previous composition.

    *

    * If the GPU & HWC supports EGL_SINGLE_BUFFER, then it is recommended that

    * FRONT_BUFFER usage is supported for the same formats as supported by

    * EGL_SINGLE_BUFFER. In particular, it is recommended that the following

    * combination is supported when possible:

    *    Format = RGBA_8888

    *    Usage = FRONT_BUFFER | GPU_RENDER_TARGET | COMPOSER_OVERLAY

    *

    */

    FRONT_BUFFER                       = 1L << 32,