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vulkan: Fix swapchain creation

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We end up with a surface that has size 0x0 at the
time we create the Vulkan context, and that is a
size that Vulkan doesn't like, so ensure we request
at least 1x1.

Fixes: #3147
This commit is contained in:
Matthias Clasen 2020-09-10 13:55:16 -04:00
parent 9b0b19d335
commit b9d4654fca
1 changed files with 3 additions and 3 deletions
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6
gdk/gdkvulkancontext.c
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@ -324,13 +324,13 @@ gdk_vulkan_context_check_swapchain (GdkVulkanContext *context,
/*
* Per https://www.khronos.org/registry/vulkan/specs/1.0-wsi_extensions/xhtml/vkspec.html#VkSurfaceCapabilitiesKHR
* the current extent may assume a special value, meaning that the extend should assume whatever
* the current extent may assume a special value, meaning that the extent should assume whatever
* value the surface has.
*/
if (capabilities.currentExtent.width == -1 || capabilities.currentExtent.height == -1)
{
capabilities.currentExtent.width = gdk_surface_get_width (surface) * gdk_surface_get_scale_factor (surface);
capabilities.currentExtent.height = gdk_surface_get_height (surface) * gdk_surface_get_scale_factor (surface);
capabilities.currentExtent.width = MAX (1, gdk_surface_get_width (surface) * gdk_surface_get_scale_factor (surface));
capabilities.currentExtent.height = MAX (1, gdk_surface_get_height (surface) * gdk_surface_get_scale_factor (surface));
}
res = GDK_VK_CHECK (vkCreateSwapchainKHR, device,