commit 2bcadf49d82078a87c175279930ef5cb3466926d
author Ben Clayton <bclayton@google.com> Mon Aug 12 12:37:42 2019 +0100
committer Ben Clayton <bclayton@google.com> Thu Aug 15 20:35:13 2019 +0000
tree c4d4981a4105ee747746cdd59b75c4623c4f0f04
parent 144a3f5d5e0f6a5915ea1f494832f847b13aeb1f

vk::SurfaceKHR: Expose support for VK_IMAGE_USAGE_TRANSFER_SRC_BIT

This is backed by a regular heap allocation, so we can read and write to it.

Bug: b/139479506
Change-Id: I4a5ef04386120667a27c817c4ac0b59b8b44cd0b
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/35030
Reviewed-by: Nicolas Capens <nicolascapens@google.com>
Tested-by: Ben Clayton <bclayton@google.com>
Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>

src/WSI/VkSurfaceKHR.cpp

diff --git a/src/WSI/VkSurfaceKHR.cpp b/src/WSI/VkSurfaceKHR.cpp
index f704ceb..18447ac 100644
--- a/src/WSI/VkSurfaceKHR.cpp
+++ b/src/WSI/VkSurfaceKHR.cpp
@@ -117,7 +117,8 @@
 	pSurfaceCapabilities->supportedTransforms = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
 	pSurfaceCapabilities->currentTransform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
 	pSurfaceCapabilities->supportedCompositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
-	pSurfaceCapabilities->supportedUsageFlags = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT;
+	pSurfaceCapabilities->supportedUsageFlags = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT |
+			VK_IMAGE_USAGE_TRANSFER_SRC_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT;
 }
 
 uint32_t SurfaceKHR::getSurfaceFormatsCount() const