tree d8ea833441162c48e1c3c178b5c5e4304c758199
parent 8dad692bcb6e2e6b2ad88e4c16b0f7ec0f93b96e
author Manoj Kumar AVM <manojavm@codeaurora.org> 1381430766 -0700
committer Manoj Kumar AVM <manojavm@codeaurora.org> 1389735151 -0800

hwc: Add support for Macro Tile feature

Macro tile is enabled only if all the conditions are met:
  1. GPU hardware should support Macro Tiling.
  2. MDSS hardware should support Macro Tiling.
  3. USAGE flags shouldnt contain GRALLOC_USAGE_SW_READ_OFTEN and
     GRALLOC_USAGE_SW_WRITE_OFTEN.
  4. RGB 16bit and 32bit formats.
  5. persist.hwc.macro_tile_enable flag should be enabled.

PRIV_FLAGS_TILE_RENDERED flag is added to indicate whether the layer
is rendered/composited in Macro Tiling or Linear format.

Change-Id: Ie3139839c84d76c5d1a2300f33910a09eb7336f4