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vulkan/wsi/x11: Increase the effective min. images for mailbox.

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We need 5 images:
1) CPU work
2) GPU work
3) idle
4) queued for flip
5) presenting

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
This commit is contained in:
Bas Nieuwenhuizen 2019-05-20 22:58:32 +02:00
parent 5eae9bfbfc
commit 9653d80de1
1 changed files with 5 additions and 2 deletions
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7
src/vulkan/wsi/wsi_common_x11.c
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@ -1404,10 +1404,13 @@ x11_surface_create_swapchain(VkIcdSurfaceBase *icd_surface,
struct x11_swapchain *chain;
xcb_void_cookie_t cookie;
VkResult result;
VkPresentModeKHR present_mode = wsi_swapchain_get_present_mode(wsi_device, pCreateInfo);
assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR);
const unsigned num_images = pCreateInfo->minImageCount;
unsigned num_images = pCreateInfo->minImageCount;
if (present_mode == VK_PRESENT_MODE_MAILBOX_KHR)
num_images = MAX2(num_images, 5);
xcb_connection_t *conn = x11_surface_get_connection(icd_surface);
struct wsi_x11_connection *wsi_conn =
@ -1439,7 +1442,7 @@ x11_surface_create_swapchain(VkIcdSurfaceBase *icd_surface,
chain->base.get_wsi_image = x11_get_wsi_image;
chain->base.acquire_next_image = x11_acquire_next_image;
chain->base.queue_present = x11_queue_present;
chain->base.present_mode = wsi_swapchain_get_present_mode(wsi_device, pCreateInfo);
chain->base.present_mode = present_mode;
chain->base.image_count = num_images;
chain->conn = conn;
chain->window = window;