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Commit 9db00ec7 authored by John Reck's avatar John Reck
Browse files

Clarify GPU API requirements for BufferUsage 

Bug: 283989374
Test: n/a doc only change
Change-Id: I4caec722420d4fa2089d1f297f377408a1e674ae
parent 83bee8b1

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

+68 −56
Original line number Diff line number Diff line
@@ -41,10 +41,22 @@ enum BufferUsage { 
    /** buffer is often written by CPU */

    CPU_WRITE_OFTEN = 3 << 4,



    /** buffer is used as a GPU texture */

    /**

     * Buffer may be used as a GPU texture

     *

     * Buffers allocated with this flag must be

     * texturable both in EGL/GL & Vulkan via

     * their respective external memory extensions

     */

    GPU_TEXTURE = 1 << 8,



    /** buffer is used as a GPU render target */

    /**

     * Buffer may be used as a GPU render target

     *

     * Buffers allocated with this flag must be

     * renderable both in EGL/GL & Vulkan via

     * their respective external memory extensions

     */

    GPU_RENDER_TARGET = 1 << 9,



    /** bit 10 must be zero */