Remove some unneed read access from vk srcAccessMasks.

There is not need to have read accesses list in the srcAccessMask of
barriers. This is cause the srcAccessMask is used to make writes to
memory available and reads obviously have no writes.

Change-Id: I2fb1eca04d6f216bc63e200ad36bacdb40bf8146
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/321785
Auto-Submit: Greg Daniel <[email protected]>
Commit-Queue: Jim Van Verth <[email protected]>
Reviewed-by: Jim Van Verth <[email protected]>

Author: egdaniel

src/gpu/vk/GrVkImage.cpp

@@ -93,13 +93,11 @@ VkAccessFlags GrVkImage::LayoutToSrcAccessMask(const VkImageLayout layout) {
         flags = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT |
                 VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT |
                 VK_ACCESS_TRANSFER_WRITE_BIT |
-                VK_ACCESS_TRANSFER_READ_BIT |
-                VK_ACCESS_SHADER_READ_BIT |
-                VK_ACCESS_HOST_WRITE_BIT | VK_ACCESS_HOST_READ_BIT;
+                VK_ACCESS_HOST_WRITE_BIT;
     } else if (VK_IMAGE_LAYOUT_PREINITIALIZED == layout) {
         flags = VK_ACCESS_HOST_WRITE_BIT;
     } else if (VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL == layout) {
-        flags = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT | VK_ACCESS_COLOR_ATTACHMENT_READ_BIT;
+        flags = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
     } else if (VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL == layout) {
         flags = VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT;
     } else if (VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL == layout) {