tree 0e644bea3787fd4c5fcbf20e1e6d121c1692449d
parent fae010266f32b715f334c8680aeada2c72d44668
author reed <reed@google.com> 1438701013 -0700
committer Commit bot <commit-bot@chromium.org> 1438701013 -0700

cache private readback for gpu-images

Does not try to cache calls to readPixels at the moment:
- not triggered by drawing
- not clear if we want to perform any pixel transformations (that readPixels allows) on the GPU or CPU

Can consider that another time.

BUG=513695

Review URL: https://codereview.chromium.org/1262923003