Add method to load a png image file

BUG=b:177290952
TEST=build

Change-Id: I30141a42156ea6ad8ad73fd41c7ca2864186d218
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/vkbench/+/3172181
Reviewed-by: Ilja Friedel <ihf@chromium.org>
Commit-Queue: Ilja Friedel <ihf@chromium.org>
Tested-by: Po-Hsien Wang <pwang@chromium.org>
Reviewed-by: Chad Versace <chadversary@chromium.org>
Auto-Submit: Po-Hsien Wang <pwang@chromium.org>
3 files changed
tree: d400f27ae2285b06bcdec59e3ea8c256eb5167b4
  1. src/
  2. .gitignore
  3. CMakeLists.txt
  4. CPPLINT.cfg
  5. OWNERS
  6. PRESUBMIT.cfg