kc3-lang/angle

2020-04-24T15:40:57

Fix clearing compressed textures with Vulkan backend When making sure a texture's data is initialized in ANGLE, it is illegal to attempt to clear it when using the Vulkan backend. The Vulkan spec, regarding vkCmdClearColorImage, mentions that: "image must not have a compressed or depth/stencil format" The proper way of initializing the memory of a compressed image in Vulkan is to do a buffer to image copy instead. This was added to ImageHelper::stageRobustResourceClear() so that it may now handle compressed textures properly. Bug: angleproject:4092 Change-Id: I073ed0603d9e92e787b9be8992751dbc0c8978db Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2165636 Reviewed-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Geoff Lang <geofflang@chromium.org> Commit-Queue: Alexis Hétu <sugoi@chromium.org>