Module: Mesa
Branch: master
Commit: 34e9e4023fcebb6581751f553c8c877045068547
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=34e9e4023fcebb6581751f553c8c877045068547

Author: Andres Rodriguez <[email protected]>
Date:   Wed May  9 23:40:21 2018 -0400

radv: disable DCC for shareable images on GFX9+

This seems to be broken at the moment for opengl interop.

Signed-off-by: Andres Rodriguez <[email protected]>
Reviewed-by: Samuel Pitoiset <[email protected]>

---

 src/amd/vulkan/radv_image.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/amd/vulkan/radv_image.c b/src/amd/vulkan/radv_image.c
index 5cdffe1627..0761885304 100644
--- a/src/amd/vulkan/radv_image.c
+++ b/src/amd/vulkan/radv_image.c
@@ -110,6 +110,8 @@ radv_use_dcc_for_image(struct radv_device *device,
 {
        bool dcc_compatible_formats;
        bool blendable;
+       bool shareable = vk_find_struct_const(pCreateInfo->pNext,
+                                             
EXTERNAL_MEMORY_IMAGE_CREATE_INFO_KHR) != NULL;
 
        /* DCC (Delta Color Compression) is only available for GFX8+. */
        if (device->physical_device->rad_info.chip_class < VI)
@@ -118,6 +120,11 @@ radv_use_dcc_for_image(struct radv_device *device,
        if (device->instance->debug_flags & RADV_DEBUG_NO_DCC)
                return false;
 
+       /* FIXME: DCC is broken for shareable images starting with GFX9 */
+       if (device->physical_device->rad_info.chip_class >= GFX9 &&
+           shareable)
+               return false;
+
        /* TODO: Enable DCC for storage images. */
        if ((pCreateInfo->usage & VK_IMAGE_USAGE_STORAGE_BIT) ||
            (pCreateInfo->flags & VK_IMAGE_CREATE_EXTENDED_USAGE_BIT_KHR))

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