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Examples: Vulkan: Fixed handling of VkSurfaceCapabilitiesKHR::maxImageCount = 0 case. Tweaked present mode selections.

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This commit is contained in:
omar 2018-08-25 21:15:37 +02:00
parent a082692b0a
commit 4dea0327e7
3 changed files with 11 additions and 5 deletions
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1
CHANGELOG.txt
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@ -107,6 +107,7 @@ Other Changes:
- Examples: OpenGL2: Disabling/restoring GL_LIGHTING and GL_COLOR_MATERIAL to increase compatibility with legacy OpenGL applications. (#1996)
- Examples: DirectX10, DirectX11: Fixed unreleased resources in Init and Shutdown functions. (#1944)
- Examples: DirectX11: Querying for IDXGIFactory instead of IDXGIFactory1 to increase compatibility. (#1989) [@matt77hias]
- Examples: Vulkan: Fixed handling of VkSurfaceCapabilitiesKHR::maxImageCount = 0 case. Tweaked present mode selections.
- Examples: Win32, Glfw, SDL: Added support for the ImGuiMouseCursor_Hand cursor.

7
examples/example_glfw_vulkan/main.cpp
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@ -196,11 +196,12 @@ static void SetupVulkanWindowData(ImGui_ImplVulkanH_WindowData* wd, VkSurfaceKHR
// Get Present Mode
#ifdef IMGUI_UNLIMITED_FRAME_RATE
VkPresentModeKHR present_mode = VK_PRESENT_MODE_MAILBOX_KHR;// VK_PRESENT_MODE_IMMEDIATE_KHR;
VkPresentModeKHR present_modes[] = { VK_PRESENT_MODE_MAILBOX_KHR, VK_PRESENT_MODE_IMMEDIATE_KHR, VK_PRESENT_MODE_FIFO_KHR };
#else
VkPresentModeKHR present_mode = VK_PRESENT_MODE_FIFO_KHR;
VkPresentModeKHR present_modes[] = { VK_PRESENT_MODE_FIFO_KHR };
#endif
wd->PresentMode = ImGui_ImplVulkanH_SelectPresentMode(g_PhysicalDevice, wd->Surface, &present_mode, 1);
wd->PresentMode = ImGui_ImplVulkanH_SelectPresentMode(g_PhysicalDevice, wd->Surface, &present_modes[0], IM_ARRAYSIZE(present_modes));
//printf("[vulkan] Selected PresentMode = %d\n", wd->PresentMode);
// Create SwapChain, RenderPass, Framebuffer, etc.
ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(g_PhysicalDevice, g_Device, g_QueueFamily, wd, g_Allocator);

8
examples/imgui_impl_vulkan.cpp
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@ -13,6 +13,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2018-08-25: Vulkan: Fixed mishandled VkSurfaceCapabilitiesKHR::maxImageCount=0 case.
// 2018-06-22: Inverted the parameters to ImGui_ImplVulkan_RenderDrawData() to be consistent with other bindings.
// 2018-06-08: Misc: Extracted imgui_impl_vulkan.cpp/.h away from the old combined GLFW+Vulkan example.
// 2018-06-08: Vulkan: Use draw_data->DisplayPos and draw_data->DisplaySize to setup projection matrix and clipping rectangle.
@ -825,6 +826,9 @@ VkPresentModeKHR ImGui_ImplVulkanH_SelectPresentMode(VkPhysicalDevice physical_d
ImVector<VkPresentModeKHR> avail_modes;
avail_modes.resize((int)avail_count);
vkGetPhysicalDeviceSurfacePresentModesKHR(physical_device, surface, &avail_count, avail_modes.Data);
//for (uint32_t avail_i = 0; avail_i < avail_count; avail_i++)
// printf("[vulkan] avail_modes[%d] = %d\n", avail_i, avail_modes[avail_i]);
for (int request_i = 0; request_i < request_modes_count; request_i++)
for (uint32_t avail_i = 0; avail_i < avail_count; avail_i++)
if (request_modes[request_i] == avail_modes[avail_i])
@ -934,9 +938,9 @@ void ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(VkPhysicalDevice
VkSurfaceCapabilitiesKHR cap;
err = vkGetPhysicalDeviceSurfaceCapabilitiesKHR(physical_device, wd->Surface, &cap);
check_vk_result(err);
if (info.minImageCount < cap.minImageCount)
if (info.minImageCount < cap.minImageCount)
info.minImageCount = cap.minImageCount;
else if (info.minImageCount > cap.maxImageCount)
else if (cap.maxImageCount != 0 && info.minImageCount > cap.maxImageCount)
info.minImageCount = cap.maxImageCount;
if (cap.currentExtent.width == 0xffffffff)