Use an ARGB format for the DRM buffer when the compositeAlpha field in VkSwapchainCreateInfoKHR is set to VK_COMPOSITE_ALPHA_PRE_MULTIPLIED_BIT_KHR.
Cc: "13.0" <mesa-sta...@lists.freedesktop.org> --- src/vulkan/wsi/wsi_common_wayland.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/src/vulkan/wsi/wsi_common_wayland.c b/src/vulkan/wsi/wsi_common_wayland.c index fc13bde..196ee28 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; -- 2.1.4 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev