From fa81883418ebf327e5176d8603d7c04e75e807f4 Mon Sep 17 00:00:00 2001 From: Vanfanel Date: Tue, 30 Mar 2021 13:25:09 +0200 Subject: [PATCH] [KMSDRM] Fake refresh rate precision on Vulkan display mode creation. --- src/video/kmsdrm/SDL_kmsdrmvulkan.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/src/video/kmsdrm/SDL_kmsdrmvulkan.c b/src/video/kmsdrm/SDL_kmsdrmvulkan.c index dae9bde2b..c101ead55 100644 --- a/src/video/kmsdrm/SDL_kmsdrmvulkan.c +++ b/src/video/kmsdrm/SDL_kmsdrmvulkan.c @@ -391,7 +391,9 @@ SDL_bool KMSDRM_Vulkan_CreateSurface(_THIS, those are often bigger than the window size, thus causing out-of-bunds scanout. */ new_mode_parameters.visibleRegion.width = window->w; new_mode_parameters.visibleRegion.height = window->h; - new_mode_parameters.refreshRate = window->fullscreen_mode.refresh_rate; + /* SDL (and DRM, if we look at drmModeModeInfo vrefresh) uses plain integer Hz for + display mode refresh rate, but Vulkan expects higher precision. */ + new_mode_parameters.refreshRate = window->fullscreen_mode.refresh_rate * 1000; display_mode_create_info.sType = VK_STRUCTURE_TYPE_DISPLAY_MODE_CREATE_INFO_KHR; display_mode_create_info.parameters = new_mode_parameters; result = vkCreateDisplayModeKHR(gpu,