[Mesa-dev] [PATCH] vulkan: Allow storage images in the WSI.

[Bas Nieuwenhuizen]

Since apps also have to follow the ImageFormatProperties query,
we can disallow formats that don't allow image stores (for AMD
that would be SRGB formats).

Note that this only affects anything if the app actually decides
to use the flag.

Had someone ask for this on IRC and at least on the AMD side we
can support it.

CC: Jason Ekstrand <jason at jlekstrand.net>
---
 src/vulkan/wsi/wsi_common_display.c | 1 +
 src/vulkan/wsi/wsi_common_wayland.c | 1 +
 src/vulkan/wsi/wsi_common_x11.c     | 1 +
 3 files changed, 3 insertions(+)

diff --git a/src/vulkan/wsi/wsi_common_display.c b/src/vulkan/wsi/wsi_common_display.c
index fd0d30ad80c..edfb166fa69 100644
--- a/src/vulkan/wsi/wsi_common_display.c
+++ b/src/vulkan/wsi/wsi_common_display.c
@@ -834,6 +834,7 @@ wsi_display_surface_get_capabilities(VkIcdSurfaceBase *surface_base,
       VK_IMAGE_USAGE_TRANSFER_SRC_BIT |
       VK_IMAGE_USAGE_SAMPLED_BIT |
       VK_IMAGE_USAGE_TRANSFER_DST_BIT |
+      VK_IMAGE_USAGE_STORAGE_BIT |
       VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
 
    return VK_SUCCESS;
diff --git a/src/vulkan/wsi/wsi_common_wayland.c b/src/vulkan/wsi/wsi_common_wayland.c
index 3d3a60167bf..c0132566ead 100644
--- a/src/vulkan/wsi/wsi_common_wayland.c
+++ b/src/vulkan/wsi/wsi_common_wayland.c
@@ -508,6 +508,7 @@ wsi_wl_surface_get_capabilities(VkIcdSurfaceBase *surface,
       VK_IMAGE_USAGE_TRANSFER_SRC_BIT |
       VK_IMAGE_USAGE_SAMPLED_BIT |
       VK_IMAGE_USAGE_TRANSFER_DST_BIT |
+      VK_IMAGE_USAGE_STORAGE_BIT |
       VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
 
    return VK_SUCCESS;
diff --git a/src/vulkan/wsi/wsi_common_x11.c b/src/vulkan/wsi/wsi_common_x11.c
index c740726fe54..6146c8f3da8 100644
--- a/src/vulkan/wsi/wsi_common_x11.c
+++ b/src/vulkan/wsi/wsi_common_x11.c
@@ -515,6 +515,7 @@ x11_surface_get_capabilities(VkIcdSurfaceBase *icd_surface,
       VK_IMAGE_USAGE_TRANSFER_SRC_BIT |
       VK_IMAGE_USAGE_SAMPLED_BIT |
       VK_IMAGE_USAGE_TRANSFER_DST_BIT |
+      VK_IMAGE_USAGE_STORAGE_BIT |
       VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
 
    return VK_SUCCESS;
-- 
2.19.1