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Examples: Vulkan: Added calls to supports runtime changing back buffer count. (#2071)

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external/win98
MindSpunk ago%!(EXTRA string=7 years) committed by omar
parent 1c3311e4d6
commit b88a3b2711
4 changed files with 150 additions and 36 deletions
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  1. 31
      examples/example_glfw_vulkan/main.cpp
  2. 46
      examples/example_sdl_vulkan/main.cpp
  3. 83
      examples/imgui_impl_vulkan.cpp
  4. 10
      examples/imgui_impl_vulkan.h

31
examples/example_glfw_vulkan/main.cpp
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@ -23,6 +23,7 @@
#define IMGUI_VULKAN_DEBUG_REPORT #define IMGUI_VULKAN_DEBUG_REPORT
#endif #endif
static uint32_t g_MinImageCount = 2;
static VkAllocationCallbacks* g_Allocator = NULL; static VkAllocationCallbacks* g_Allocator = NULL;
static VkInstance g_Instance = VK_NULL_HANDLE; static VkInstance g_Instance = VK_NULL_HANDLE;
static VkPhysicalDevice g_PhysicalDevice = VK_NULL_HANDLE; static VkPhysicalDevice g_PhysicalDevice = VK_NULL_HANDLE;
@ -211,8 +212,8 @@ static void SetupVulkanWindowData(ImGui_ImplVulkanH_WindowData* wd, VkSurfaceKHR
//printf("[vulkan] Selected PresentMode = %d\n", wd->PresentMode); //printf("[vulkan] Selected PresentMode = %d\n", wd->PresentMode);
// Create SwapChain, RenderPass, Framebuffer, etc. // Create SwapChain, RenderPass, Framebuffer, etc.
ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(g_PhysicalDevice, g_Device, wd, g_Allocator, width, height, g_MinImageCount);
ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(g_PhysicalDevice, g_Device, g_QueueFamily, wd, g_Allocator); ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(g_PhysicalDevice, g_Device, g_QueueFamily, wd, g_Allocator);
ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(g_PhysicalDevice, g_Device, wd, g_Allocator, width, height);
} }
static void CleanupVulkan() static void CleanupVulkan()
@ -373,6 +374,7 @@ int main(int, char**)
init_info.DescriptorPool = g_DescriptorPool; init_info.DescriptorPool = g_DescriptorPool;
init_info.Allocator = g_Allocator; init_info.Allocator = g_Allocator;
init_info.CheckVkResultFn = check_vk_result; init_info.CheckVkResultFn = check_vk_result;
init_info.QueuedFrames = wd->BackBufferCount;
ImGui_ImplVulkan_Init(&init_info, wd->RenderPass); ImGui_ImplVulkan_Init(&init_info, wd->RenderPass);
// Load Fonts // Load Fonts
@ -435,7 +437,10 @@ int main(int, char**)
glfwPollEvents(); glfwPollEvents();
if (g_ResizeWanted) if (g_ResizeWanted)
{ {
ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(g_PhysicalDevice, g_Device, &g_WindowData, g_Allocator, g_ResizeWidth, g_ResizeHeight); ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(g_PhysicalDevice, g_Device, &g_WindowData, g_Allocator, g_ResizeWidth, g_ResizeHeight, g_MinImageCount);
ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(g_PhysicalDevice, g_Device, g_QueueFamily, &g_WindowData, g_Allocator);
ImGui_ImplVulkan_SetQueuedFramesCount(g_WindowData.BackBufferCount);
g_WindowData.FrameIndex = 0;
g_ResizeWanted = false; g_ResizeWanted = false;
} }
@ -478,6 +483,28 @@ int main(int, char**)
ImGui::Text("Hello from another window!"); ImGui::Text("Hello from another window!");
if (ImGui::Button("Close Me")) if (ImGui::Button("Close Me"))
show_another_window = false; show_another_window = false;
if (ImGui::Button("Increase"))
{
g_MinImageCount++;
g_ResizeWanted = true;
}
ImGui::SameLine();
if (ImGui::Button("Decrease"))
{
if (g_MinImageCount != 2)
{
g_MinImageCount--;
g_ResizeWanted = true;
}
}
ImGui::SameLine();
ImGui::Text("Back Buffers: %i", g_MinImageCount);
ImGui::Text("Frame Index %i", wd->FrameIndex);
ImGui::End(); ImGui::End();
} }

46
examples/example_sdl_vulkan/main.cpp
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@ -15,6 +15,8 @@
#define IMGUI_VULKAN_DEBUG_REPORT #define IMGUI_VULKAN_DEBUG_REPORT
#endif #endif
static uint32_t g_MinImageCount = 2;
static bool g_PendingSwapchainRebuild = false;
static VkAllocationCallbacks* g_Allocator = NULL; static VkAllocationCallbacks* g_Allocator = NULL;
static VkInstance g_Instance = VK_NULL_HANDLE; static VkInstance g_Instance = VK_NULL_HANDLE;
static VkPhysicalDevice g_PhysicalDevice = VK_NULL_HANDLE; static VkPhysicalDevice g_PhysicalDevice = VK_NULL_HANDLE;
@ -201,8 +203,8 @@ static void SetupVulkanWindowData(ImGui_ImplVulkanH_WindowData* wd, VkSurfaceKHR
//printf("[vulkan] Selected PresentMode = %d\n", wd->PresentMode); //printf("[vulkan] Selected PresentMode = %d\n", wd->PresentMode);
// Create SwapChain, RenderPass, Framebuffer, etc. // Create SwapChain, RenderPass, Framebuffer, etc.
ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(g_PhysicalDevice, g_Device, wd, g_Allocator, width, height, g_MinImageCount);
ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(g_PhysicalDevice, g_Device, g_QueueFamily, wd, g_Allocator); ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(g_PhysicalDevice, g_Device, g_QueueFamily, wd, g_Allocator);
ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(g_PhysicalDevice, g_Device, wd, g_Allocator, width, height);
} }
static void CleanupVulkan() static void CleanupVulkan()
@ -296,6 +298,20 @@ static void FramePresent(ImGui_ImplVulkanH_WindowData* wd)
check_vk_result(err); check_vk_result(err);
} }
static void RebuildSwapChain(int width, int height)
{
ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(g_PhysicalDevice, g_Device, &g_WindowData, g_Allocator, width, height, g_MinImageCount);
ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(g_PhysicalDevice, g_Device, g_QueueFamily, &g_WindowData, g_Allocator);
ImGui_ImplVulkan_SetQueuedFramesCount(g_WindowData.BackBufferCount);
g_WindowData.FrameIndex = 0;
g_PendingSwapchainRebuild = false;
}
static void RebuildSwapChain()
{
RebuildSwapChain(g_WindowData.Width, g_WindowData.Height);
}
int main(int, char**) int main(int, char**)
{ {
// Setup SDL // Setup SDL
@ -354,6 +370,7 @@ int main(int, char**)
init_info.PipelineCache = g_PipelineCache; init_info.PipelineCache = g_PipelineCache;
init_info.DescriptorPool = g_DescriptorPool; init_info.DescriptorPool = g_DescriptorPool;
init_info.Allocator = g_Allocator; init_info.Allocator = g_Allocator;
init_info.QueuedFrames = wd->BackBufferCount;
init_info.CheckVkResultFn = check_vk_result; init_info.CheckVkResultFn = check_vk_result;
ImGui_ImplVulkan_Init(&init_info, wd->RenderPass); ImGui_ImplVulkan_Init(&init_info, wd->RenderPass);
@ -422,9 +439,12 @@ int main(int, char**)
if (event.type == SDL_QUIT) if (event.type == SDL_QUIT)
done = true; done = true;
if (event.type == SDL_WINDOWEVENT && event.window.event == SDL_WINDOWEVENT_RESIZED && event.window.windowID == SDL_GetWindowID(window)) if (event.type == SDL_WINDOWEVENT && event.window.event == SDL_WINDOWEVENT_RESIZED && event.window.windowID == SDL_GetWindowID(window))
ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(g_PhysicalDevice, g_Device, &g_WindowData, g_Allocator, (int)event.window.data1, (int)event.window.data2); RebuildSwapChain((int)event.window.data1, (int)event.window.data2);
} }
if (g_PendingSwapchainRebuild)
RebuildSwapChain();
// Start the Dear ImGui frame // Start the Dear ImGui frame
ImGui_ImplVulkan_NewFrame(); ImGui_ImplVulkan_NewFrame();
ImGui_ImplSDL2_NewFrame(window); ImGui_ImplSDL2_NewFrame(window);
@ -464,6 +484,28 @@ int main(int, char**)
ImGui::Text("Hello from another window!"); ImGui::Text("Hello from another window!");
if (ImGui::Button("Close Me")) if (ImGui::Button("Close Me"))
show_another_window = false; show_another_window = false;
if (ImGui::Button("Increase"))
{
g_MinImageCount++;
g_PendingSwapchainRebuild = true;
}
ImGui::SameLine();
if (ImGui::Button("Decrease"))
{
if (g_MinImageCount != 2)
{
g_MinImageCount--;
g_PendingSwapchainRebuild = true;
}
}
ImGui::SameLine();
ImGui::Text("Back Buffers: %i", g_MinImageCount);
ImGui::Text("Frame Index %i", wd->FrameIndex);
ImGui::End(); ImGui::End();
} }

83
examples/imgui_impl_vulkan.cpp
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@ -65,7 +65,7 @@ struct FrameDataForRender
VkBuffer IndexBuffer; VkBuffer IndexBuffer;
}; };
static int g_FrameIndex = 0; static int g_FrameIndex = 0;
static FrameDataForRender g_FramesDataBuffers[IMGUI_VK_QUEUED_FRAMES] = {}; static ImVector<FrameDataForRender> g_FramesDataBuffers = {};
// Font data // Font data
static VkSampler g_FontSampler = VK_NULL_HANDLE; static VkSampler g_FontSampler = VK_NULL_HANDLE;
@ -240,7 +240,7 @@ void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer comm
VkResult err; VkResult err;
FrameDataForRender* fd = &g_FramesDataBuffers[g_FrameIndex]; FrameDataForRender* fd = &g_FramesDataBuffers[g_FrameIndex];
g_FrameIndex = (g_FrameIndex + 1) % IM_ARRAYSIZE(g_FramesDataBuffers); g_FrameIndex = (g_FrameIndex + 1) % g_FramesDataBuffers.size();
// Create the Vertex and Index buffers: // Create the Vertex and Index buffers:
size_t vertex_size = draw_data->TotalVtxCount * sizeof(ImDrawVert); size_t vertex_size = draw_data->TotalVtxCount * sizeof(ImDrawVert);
@ -728,15 +728,6 @@ void ImGui_ImplVulkan_InvalidateDeviceObjects()
{ {
ImGui_ImplVulkan_InvalidateFontUploadObjects(); ImGui_ImplVulkan_InvalidateFontUploadObjects();
for (int i = 0; i < IM_ARRAYSIZE(g_FramesDataBuffers); i++)
{
FrameDataForRender* fd = &g_FramesDataBuffers[i];
if (fd->VertexBuffer) { vkDestroyBuffer (g_Device, fd->VertexBuffer, g_Allocator); fd->VertexBuffer = VK_NULL_HANDLE; }
if (fd->VertexBufferMemory) { vkFreeMemory (g_Device, fd->VertexBufferMemory, g_Allocator); fd->VertexBufferMemory = VK_NULL_HANDLE; }
if (fd->IndexBuffer) { vkDestroyBuffer (g_Device, fd->IndexBuffer, g_Allocator); fd->IndexBuffer = VK_NULL_HANDLE; }
if (fd->IndexBufferMemory) { vkFreeMemory (g_Device, fd->IndexBufferMemory, g_Allocator); fd->IndexBufferMemory = VK_NULL_HANDLE; }
}
if (g_FontView) { vkDestroyImageView(g_Device, g_FontView, g_Allocator); g_FontView = VK_NULL_HANDLE; } if (g_FontView) { vkDestroyImageView(g_Device, g_FontView, g_Allocator); g_FontView = VK_NULL_HANDLE; }
if (g_FontImage) { vkDestroyImage(g_Device, g_FontImage, g_Allocator); g_FontImage = VK_NULL_HANDLE; } if (g_FontImage) { vkDestroyImage(g_Device, g_FontImage, g_Allocator); g_FontImage = VK_NULL_HANDLE; }
if (g_FontMemory) { vkFreeMemory(g_Device, g_FontMemory, g_Allocator); g_FontMemory = VK_NULL_HANDLE; } if (g_FontMemory) { vkFreeMemory(g_Device, g_FontMemory, g_Allocator); g_FontMemory = VK_NULL_HANDLE; }
@ -746,6 +737,18 @@ void ImGui_ImplVulkan_InvalidateDeviceObjects()
if (g_Pipeline) { vkDestroyPipeline(g_Device, g_Pipeline, g_Allocator); g_Pipeline = VK_NULL_HANDLE; } if (g_Pipeline) { vkDestroyPipeline(g_Device, g_Pipeline, g_Allocator); g_Pipeline = VK_NULL_HANDLE; }
} }
void ImGui_ImplVulkan_InvalidateFrameDeviceObjects()
{
for (int i = 0; i < g_FramesDataBuffers.size(); i++)
{
FrameDataForRender* fd = &g_FramesDataBuffers[i];
if (fd->VertexBuffer) { vkDestroyBuffer(g_Device, fd->VertexBuffer, g_Allocator); fd->VertexBuffer = VK_NULL_HANDLE; }
if (fd->VertexBufferMemory) { vkFreeMemory (g_Device, fd->VertexBufferMemory, g_Allocator); fd->VertexBufferMemory = VK_NULL_HANDLE; }
if (fd->IndexBuffer) { vkDestroyBuffer(g_Device, fd->IndexBuffer, g_Allocator); fd->IndexBuffer = VK_NULL_HANDLE; }
if (fd->IndexBufferMemory) { vkFreeMemory (g_Device, fd->IndexBufferMemory, g_Allocator); fd->IndexBufferMemory = VK_NULL_HANDLE; }
}
}
bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass render_pass) bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass render_pass)
{ {
ImGuiIO& io = ImGui::GetIO(); ImGuiIO& io = ImGui::GetIO();
@ -768,6 +771,11 @@ bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass rend
g_DescriptorPool = info->DescriptorPool; g_DescriptorPool = info->DescriptorPool;
g_Allocator = info->Allocator; g_Allocator = info->Allocator;
g_CheckVkResultFn = info->CheckVkResultFn; g_CheckVkResultFn = info->CheckVkResultFn;
g_FramesDataBuffers.resize(info->QueuedFrames);
for (int i = 0; i < g_FramesDataBuffers.size(); i++)
{
g_FramesDataBuffers[i] = FrameDataForRender();
}
ImGui_ImplVulkan_CreateDeviceObjects(); ImGui_ImplVulkan_CreateDeviceObjects();
@ -776,6 +784,7 @@ bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass rend
void ImGui_ImplVulkan_Shutdown() void ImGui_ImplVulkan_Shutdown()
{ {
ImGui_ImplVulkan_InvalidateFrameDeviceObjects();
ImGui_ImplVulkan_InvalidateDeviceObjects(); ImGui_ImplVulkan_InvalidateDeviceObjects();
} }
@ -783,6 +792,24 @@ void ImGui_ImplVulkan_NewFrame()
{ {
} }
void ImGui_ImplVulkan_SetQueuedFramesCount(uint32_t count)
{
if (count == g_FramesDataBuffers.size())
{
return;
}
ImGui_ImplVulkan_InvalidateFrameDeviceObjects();
uint32_t old_size = g_FramesDataBuffers.size();
g_FramesDataBuffers.resize(count);
for (uint32_t i = old_size; i < count; i++)
{
g_FramesDataBuffers[i] = FrameDataForRender();
}
g_FrameIndex = 0;
}
//------------------------------------------------------------------------- //-------------------------------------------------------------------------
// Internal / Miscellaneous Vulkan Helpers // Internal / Miscellaneous Vulkan Helpers
@ -901,7 +928,7 @@ void ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(VkPhysicalDevice physical_
// Create Command Buffers // Create Command Buffers
VkResult err; VkResult err;
for (int i = 0; i < IM_ARRAYSIZE(wd->Frames); i++) for (int i = 0; i < wd->Frames.size(); i++)
{ {
ImGui_ImplVulkanH_FrameData* fd = &wd->Frames[i]; ImGui_ImplVulkanH_FrameData* fd = &wd->Frames[i];
{ {
@ -951,10 +978,8 @@ int ImGui_ImplVulkanH_GetMinImageCountFromPresentMode(VkPresentModeKHR present_m
return 1; return 1;
} }
void ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, const VkAllocationCallbacks* allocator, int w, int h) void ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, const VkAllocationCallbacks* allocator, int w, int h, uint32_t min_image_count)
{ {
uint32_t min_image_count = 2; // FIXME: this should become a function parameter
VkResult err; VkResult err;
VkSwapchainKHR old_swapchain = wd->Swapchain; VkSwapchainKHR old_swapchain = wd->Swapchain;
err = vkDeviceWaitIdle(device); err = vkDeviceWaitIdle(device);
@ -1016,6 +1041,17 @@ void ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(VkPhysicalDevice
check_vk_result(err); check_vk_result(err);
err = vkGetSwapchainImagesKHR(device, wd->Swapchain, &wd->BackBufferCount, wd->BackBuffer); err = vkGetSwapchainImagesKHR(device, wd->Swapchain, &wd->BackBufferCount, wd->BackBuffer);
check_vk_result(err); check_vk_result(err);
for (uint32_t i = 0; i < wd->Frames.size(); i++)
{
ImGui_ImplVulkanH_DestroyFrameData(g_Instance, device, &wd->Frames[i], allocator);
}
uint32_t old_size = wd->Frames.size();
wd->Frames.resize(wd->BackBufferCount);
for (uint32_t i = 0; i < wd->Frames.size(); i++)
{
wd->Frames[i] = ImGui_ImplVulkanH_FrameData();
}
} }
if (old_swapchain) if (old_swapchain)
vkDestroySwapchainKHR(device, old_swapchain, allocator); vkDestroySwapchainKHR(device, old_swapchain, allocator);
@ -1102,14 +1138,10 @@ void ImGui_ImplVulkanH_DestroyWindowData(VkInstance instance, VkDevice device, I
vkDeviceWaitIdle(device); // FIXME: We could wait on the Queue if we had the queue in wd-> (otherwise VulkanH functions can't use globals) vkDeviceWaitIdle(device); // FIXME: We could wait on the Queue if we had the queue in wd-> (otherwise VulkanH functions can't use globals)
//vkQueueWaitIdle(g_Queue); //vkQueueWaitIdle(g_Queue);
for (int i = 0; i < IM_ARRAYSIZE(wd->Frames); i++) for (int i = 0; i < wd->Frames.size(); i++)
{ {
ImGui_ImplVulkanH_FrameData* fd = &wd->Frames[i]; ImGui_ImplVulkanH_FrameData* fd = &wd->Frames[i];
vkDestroyFence(device, fd->Fence, allocator); ImGui_ImplVulkanH_DestroyFrameData(instance, device, fd, allocator);
vkFreeCommandBuffers(device, fd->CommandPool, 1, &fd->CommandBuffer);
vkDestroyCommandPool(device, fd->CommandPool, allocator);
vkDestroySemaphore(device, fd->ImageAcquiredSemaphore, allocator);
vkDestroySemaphore(device, fd->RenderCompleteSemaphore, allocator);
} }
for (uint32_t i = 0; i < wd->BackBufferCount; i++) for (uint32_t i = 0; i < wd->BackBufferCount; i++)
{ {
@ -1121,3 +1153,12 @@ void ImGui_ImplVulkanH_DestroyWindowData(VkInstance instance, VkDevice device, I
vkDestroySurfaceKHR(instance, wd->Surface, allocator); vkDestroySurfaceKHR(instance, wd->Surface, allocator);
*wd = ImGui_ImplVulkanH_WindowData(); *wd = ImGui_ImplVulkanH_WindowData();
} }
void ImGui_ImplVulkanH_DestroyFrameData(VkInstance instance, VkDevice device, ImGui_ImplVulkanH_FrameData* fd, const VkAllocationCallbacks* allocator)
{
vkDestroyFence(device, fd->Fence, allocator);
vkFreeCommandBuffers(device, fd->CommandPool, 1, &fd->CommandBuffer);
vkDestroyCommandPool(device, fd->CommandPool, allocator);
vkDestroySemaphore(device, fd->ImageAcquiredSemaphore, allocator);
vkDestroySemaphore(device, fd->RenderCompleteSemaphore, allocator);
}

10
examples/imgui_impl_vulkan.h
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@ -15,7 +15,7 @@
#include <vulkan/vulkan.h> #include <vulkan/vulkan.h>
#define IMGUI_VK_QUEUED_FRAMES 2 //#define IMGUI_VK_QUEUED_FRAMES 2
// Please zero-clear before use. // Please zero-clear before use.
struct ImGui_ImplVulkan_InitInfo struct ImGui_ImplVulkan_InitInfo
@ -27,6 +27,7 @@ struct ImGui_ImplVulkan_InitInfo
VkQueue Queue; VkQueue Queue;
VkPipelineCache PipelineCache; VkPipelineCache PipelineCache;
VkDescriptorPool DescriptorPool; VkDescriptorPool DescriptorPool;
int QueuedFrames;
const VkAllocationCallbacks* Allocator; const VkAllocationCallbacks* Allocator;
void (*CheckVkResultFn)(VkResult err); void (*CheckVkResultFn)(VkResult err);
}; };
@ -35,6 +36,7 @@ struct ImGui_ImplVulkan_InitInfo
IMGUI_IMPL_API bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass render_pass); IMGUI_IMPL_API bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass render_pass);
IMGUI_IMPL_API void ImGui_ImplVulkan_Shutdown(); IMGUI_IMPL_API void ImGui_ImplVulkan_Shutdown();
IMGUI_IMPL_API void ImGui_ImplVulkan_NewFrame(); IMGUI_IMPL_API void ImGui_ImplVulkan_NewFrame();
IMGUI_IMPL_API void ImGui_ImplVulkan_SetQueuedFramesCount(uint32_t count);
IMGUI_IMPL_API void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer command_buffer); IMGUI_IMPL_API void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer command_buffer);
IMGUI_IMPL_API bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer); IMGUI_IMPL_API bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer);
IMGUI_IMPL_API void ImGui_ImplVulkan_InvalidateFontUploadObjects(); IMGUI_IMPL_API void ImGui_ImplVulkan_InvalidateFontUploadObjects();
@ -42,6 +44,7 @@ IMGUI_IMPL_API void ImGui_ImplVulkan_InvalidateFontUploadObjects();
// Called by ImGui_ImplVulkan_Init() might be useful elsewhere. // Called by ImGui_ImplVulkan_Init() might be useful elsewhere.
IMGUI_IMPL_API bool ImGui_ImplVulkan_CreateDeviceObjects(); IMGUI_IMPL_API bool ImGui_ImplVulkan_CreateDeviceObjects();
IMGUI_IMPL_API void ImGui_ImplVulkan_InvalidateDeviceObjects(); IMGUI_IMPL_API void ImGui_ImplVulkan_InvalidateDeviceObjects();
IMGUI_IMPL_API void ImGui_ImplVulkan_InvalidateFrameDeviceObjects();
//------------------------------------------------------------------------- //-------------------------------------------------------------------------
@ -63,8 +66,9 @@ struct ImGui_ImplVulkanH_FrameData;
struct ImGui_ImplVulkanH_WindowData; struct ImGui_ImplVulkanH_WindowData;
IMGUI_IMPL_API void ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(VkPhysicalDevice physical_device, VkDevice device, uint32_t queue_family, ImGui_ImplVulkanH_WindowData* wd, const VkAllocationCallbacks* allocator); IMGUI_IMPL_API void ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(VkPhysicalDevice physical_device, VkDevice device, uint32_t queue_family, ImGui_ImplVulkanH_WindowData* wd, const VkAllocationCallbacks* allocator);
IMGUI_IMPL_API void ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, const VkAllocationCallbacks* allocator, int w, int h); IMGUI_IMPL_API void ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, const VkAllocationCallbacks* allocator, int w, int h, uint32_t min_image_count);
IMGUI_IMPL_API void ImGui_ImplVulkanH_DestroyWindowData(VkInstance instance, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, const VkAllocationCallbacks* allocator); IMGUI_IMPL_API void ImGui_ImplVulkanH_DestroyWindowData(VkInstance instance, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, const VkAllocationCallbacks* allocator);
IMGUI_IMPL_API void ImGui_ImplVulkanH_DestroyFrameData(VkInstance instance, VkDevice device, ImGui_ImplVulkanH_FrameData* fd, const VkAllocationCallbacks* allocator);
IMGUI_IMPL_API VkSurfaceFormatKHR ImGui_ImplVulkanH_SelectSurfaceFormat(VkPhysicalDevice physical_device, VkSurfaceKHR surface, const VkFormat* request_formats, int request_formats_count, VkColorSpaceKHR request_color_space); IMGUI_IMPL_API VkSurfaceFormatKHR ImGui_ImplVulkanH_SelectSurfaceFormat(VkPhysicalDevice physical_device, VkSurfaceKHR surface, const VkFormat* request_formats, int request_formats_count, VkColorSpaceKHR request_color_space);
IMGUI_IMPL_API VkPresentModeKHR ImGui_ImplVulkanH_SelectPresentMode(VkPhysicalDevice physical_device, VkSurfaceKHR surface, const VkPresentModeKHR* request_modes, int request_modes_count); IMGUI_IMPL_API VkPresentModeKHR ImGui_ImplVulkanH_SelectPresentMode(VkPhysicalDevice physical_device, VkSurfaceKHR surface, const VkPresentModeKHR* request_modes, int request_modes_count);
IMGUI_IMPL_API int ImGui_ImplVulkanH_GetMinImageCountFromPresentMode(VkPresentModeKHR present_mode); IMGUI_IMPL_API int ImGui_ImplVulkanH_GetMinImageCountFromPresentMode(VkPresentModeKHR present_mode);
@ -101,7 +105,7 @@ struct ImGui_ImplVulkanH_WindowData
VkImageView BackBufferView[16]; VkImageView BackBufferView[16];
VkFramebuffer Framebuffer[16]; VkFramebuffer Framebuffer[16];
uint32_t FrameIndex; uint32_t FrameIndex;
ImGui_ImplVulkanH_FrameData Frames[IMGUI_VK_QUEUED_FRAMES]; ImVector<ImGui_ImplVulkanH_FrameData> Frames;
IMGUI_IMPL_API ImGui_ImplVulkanH_WindowData(); IMGUI_IMPL_API ImGui_ImplVulkanH_WindowData();
}; };

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