diff --git a/src/renderer_vk.cpp b/src/renderer_vk.cpp index 9985f6d8c..79a7687d5 100644 --- a/src/renderer_vk.cpp +++ b/src/renderer_vk.cpp @@ -2760,6 +2760,42 @@ VK_IMPORT_DEVICE VK_CHECK(vkDeviceWaitIdle(m_device) ); releaseSwapchainFramebuffer(); releaseSwapchain(); + + uint32_t numPresentModes(10); + VkPresentModeKHR presentModes[10]; + vkGetPhysicalDeviceSurfacePresentModesKHR(m_physicalDevice, m_surface, &numPresentModes, presentModes); + + uint32_t presentModeIdx = numPresentModes; + VkPresentModeKHR preferredPresentMode[] = { + VK_PRESENT_MODE_FIFO_KHR, + VK_PRESENT_MODE_FIFO_RELAXED_KHR, + VK_PRESENT_MODE_MAILBOX_KHR, + VK_PRESENT_MODE_IMMEDIATE_KHR, + }; + bool has_vsync[] = { true, true, true, false }; + bool vsync = (flags & BGFX_RESET_VSYNC ? true : false); + + for (uint32_t ii = 0; ii < BX_COUNTOF(preferredPresentMode); ++ii) + { + for (uint32_t jj = 0; jj < numPresentModes; ++jj) + { + if ((presentModes[jj] == preferredPresentMode[ii]) && (vsync == has_vsync[ii])) + { + presentModeIdx = jj; + BX_TRACE("present mode: %d", (int)preferredPresentMode[ii]); + break; + } + } + if (presentModeIdx < numPresentModes) + { + break; + } + } + if (presentModeIdx == numPresentModes) + { + presentModeIdx = 0; + } + m_sci.presentMode = presentModes[presentModeIdx]; VkSurfaceCapabilitiesKHR surfaceCapabilities; VK_CHECK(vkGetPhysicalDeviceSurfaceCapabilitiesKHR(m_physicalDevice, m_surface, &surfaceCapabilities) );