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vulkan: Reserve 4 images in the swapchain by default

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With the previous approach we would spend most of the time waiting for
the swapchain to be filled again because it seems the compositor takes
care of 2 images at once from time to time.

This is not visible in profiles because waiting for a frame is a
read/poll/whatever operation that does not take CPU. It's only
noticeable because the app becomes less responsive.
This commit is contained in:
Benjamin Otte 2018-03-29 04:56:07 +02:00
parent e6d104bfa0
commit 7ee4bfd9d6
1 changed files with 1 additions and 1 deletions
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2
gdk/gdkvulkancontext.c
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@ -305,7 +305,7 @@ gdk_vulkan_context_check_swapchain (GdkVulkanContext *context,
.pNext = NULL,
.flags = 0,
.surface = priv->surface,
.minImageCount = CLAMP (2,
.minImageCount = CLAMP (4,
capabilities.minImageCount,
capabilities.maxImageCount ? capabilities.maxImageCount : G_MAXUINT32),
.imageFormat = priv->image_format.format,