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Cody Northrop authored
If GL_EXT_shader_framebuffer_fetch is enabled, specify framebuffer attachments as having VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT. Add new test FramebufferFetchES31.DefaultFramebufferTest which exercises the behavior. Also limit exposure of either framebuffer fetch extension to be Android only due to swapchain images requiring INPUT_ATTACHMENT. Test: FramebufferFetchES31.DefaultFramebufferTest Bug: angleproject:6893 Change-Id: I227e36a9844e2301f0fe0602f4e4d905874b32e3 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3389791 Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Ian Elliott <ianelliott@google.com> Commit-Queue: Cody Northrop <cnorthrop@google.com>
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