Revert "Vulkan: Move mid-RP color clear to loadOp if content undefined" This reverts commit cfe5a1735a934cc83133bb6c69d19aa27278a270. Reason for revert: https://bugs.chromium.org/p/angleproject/issues/detail?id=5048#c7 @timvp That change just caused a regression in my project. I clear the color + depth buffer before drawing, but initially draw only to the depth buffer. It seems that it decided to ignore the color buffer clear as a result of that. Original change's description: > Vulkan: Move mid-RP color clear to loadOp if content undefined > > Instead of using vkCmdClearAttachments, if the color attachment has not > been written to, modify the loadOp of the currently open renderpass to > CLEAR. > > Bug: angleproject:5048 > Test: VulkanPerformanceCounterTest.MidRenderpassClear > Change-Id: Ida47e6ac7d0f29e2c49bdf2e74c1d876a5d7c223 > Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3381912 > Reviewed-by: Jamie Madill <jmadill@chromium.org> > Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> > Commit-Queue: Tim Van Patten <timvp@google.com> Bug: angleproject:5048 Change-Id: Iec5c73632429a80f955f7d659cf670f9cbb6c9b7 No-Presubmit: true No-Tree-Checks: true No-Try: true Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3496662 Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com> Commit-Queue: Tim Van Patten <timvp@google.com>