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-rw-r--r--src/vulkan/wsi/wsi_common_wayland.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/vulkan/wsi/wsi_common_wayland.c b/src/vulkan/wsi/wsi_common_wayland.c
index fc13bde4005..196ee28742f 100644
--- a/src/vulkan/wsi/wsi_common_wayland.c
+++ b/src/vulkan/wsi/wsi_common_wayland.c
@@ -702,6 +702,9 @@ wsi_wl_surface_create_swapchain(VkIcdSurfaceBase *icd_surface,
if (chain == NULL)
return VK_ERROR_OUT_OF_HOST_MEMORY;
+ bool alpha = pCreateInfo->compositeAlpha ==
+ VK_COMPOSITE_ALPHA_PRE_MULTIPLIED_BIT_KHR;
+
chain->base.device = device;
chain->base.destroy = wsi_wl_swapchain_destroy;
chain->base.get_images = wsi_wl_swapchain_get_images;
@@ -711,7 +714,7 @@ wsi_wl_surface_create_swapchain(VkIcdSurfaceBase *icd_surface,
chain->surface = surface->surface;
chain->extent = pCreateInfo->imageExtent;
chain->vk_format = pCreateInfo->imageFormat;
- chain->drm_format = wl_drm_format_for_vk_format(chain->vk_format, false);
+ chain->drm_format = wl_drm_format_for_vk_format(chain->vk_format, alpha);
chain->present_mode = pCreateInfo->presentMode;
chain->fifo_ready = true;