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Vulkan: Renaming, we want InitInfo to source MinImageCount which is the "source" value (so viewport creation can use this). Made ImGui_ImplVulkan_DestroyFrameRenderBuffers public. (#2071)

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docking
omar 6 years ago
parent 86f5945f49
commit 4f54a527ab
5 changed files with 56 additions and 33 deletions
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4
docs/CHANGELOG.txt
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@ -37,8 +37,8 @@ Breaking Changes:
- Examples: Vulkan: Added extra parameter to ImGui_ImplVulkan_RenderDrawData(). Engine/app is
in charge of owning/storing 1 ImGui_ImplVulkan_FrameRenderBuffers per in-flight rendering frame.
(The demo helper ImGui_ImplVulkanH_WindowData structure carries them.) (#2461, #2348, #2378, #2097)
- Examples: Vulkan: Added FramesQueueSize field in ImGui_ImplVulkan_InitInfo, required during
initialization to specify the number of in-flight image required by the swap chain.
- Examples: Vulkan: Added MinImageCount field in ImGui_ImplVulkan_InitInfo, required during
initialization to specify the number of in-flight image requested by swap chains.
(was previously a hard #define IMGUI_VK_QUEUED_FRAMES 2). (#2071, #1677) [@nathanvoglsam]

21
examples/example_glfw_vulkan/main.cpp
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@ -192,7 +192,7 @@ static void SetupVulkan(const char** extensions, uint32_t extensions_count)
}
}
static void SetupVulkanWindowData(ImGui_ImplVulkanH_WindowData* wd, VkSurfaceKHR surface, int width, int height)
static void SetupVulkanWindow(ImGui_ImplVulkanH_WindowData* wd, VkSurfaceKHR surface, int width, int height)
{
wd->Surface = surface;
@ -226,8 +226,6 @@ static void SetupVulkanWindowData(ImGui_ImplVulkanH_WindowData* wd, VkSurfaceKHR
static void CleanupVulkan()
{
ImGui_ImplVulkanH_WindowData* wd = &g_WindowData;
ImGui_ImplVulkanH_DestroyWindowData(g_Instance, g_Device, wd, g_Allocator);
vkDestroyDescriptorPool(g_Device, g_DescriptorPool, g_Allocator);
#ifdef IMGUI_VULKAN_DEBUG_REPORT
@ -240,6 +238,15 @@ static void CleanupVulkan()
vkDestroyInstance(g_Instance, g_Allocator);
}
static void CleanupVulkanWindow()
{
// In a normal engine/app integration, you wouldn't use the ImGui_ImplVulkanH_WindowData helpers,
// however you would instead need to call ImGui_ImplVulkan_DestroyFrameRenderBuffers() on each
// ImGui_ImplVulkan_FrameRenderBuffers structure that you own.
ImGui_ImplVulkanH_WindowData* wd = &g_WindowData;
ImGui_ImplVulkanH_DestroyWindowData(g_Instance, g_Device, wd, g_Allocator);
}
static void FrameRender(ImGui_ImplVulkanH_WindowData* wd)
{
VkResult err;
@ -357,7 +364,7 @@ int main(int, char**)
glfwGetFramebufferSize(window, &w, &h);
glfwSetFramebufferSizeCallback(window, glfw_resize_callback);
ImGui_ImplVulkanH_WindowData* wd = &g_WindowData;
SetupVulkanWindowData(wd, surface, w, h);
SetupVulkanWindow(wd, surface, w, h);
// Setup Dear ImGui context
IMGUI_CHECKVERSION();
@ -381,7 +388,7 @@ int main(int, char**)
init_info.PipelineCache = g_PipelineCache;
init_info.DescriptorPool = g_DescriptorPool;
init_info.Allocator = g_Allocator;
init_info.FramesQueueSize = wd->FramesQueueSize;
init_info.MinImageCount = g_MinImageCount;
init_info.CheckVkResultFn = check_vk_result;
ImGui_ImplVulkan_Init(&init_info, wd->RenderPass);
@ -446,7 +453,7 @@ int main(int, char**)
if (g_WantSwapChainRebuild)
{
ImGui_ImplVulkanH_CreateWindowData(g_Instance, g_PhysicalDevice, g_Device, &g_WindowData, g_QueueFamily, g_Allocator, g_ResizeWidth, g_ResizeHeight, g_MinImageCount);
ImGui_ImplVulkan_SetFramesQueueSize(g_WindowData.FramesQueueSize);
ImGui_ImplVulkan_SetSwapChainMinImageCount(g_MinImageCount);
g_WindowData.FrameIndex = 0;
g_WantSwapChainRebuild = false;
}
@ -507,6 +514,8 @@ int main(int, char**)
ImGui_ImplVulkan_Shutdown();
ImGui_ImplGlfw_Shutdown();
ImGui::DestroyContext();
CleanupVulkanWindow();
CleanupVulkan();
glfwDestroyWindow(window);

21
examples/example_sdl_vulkan/main.cpp
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@ -183,7 +183,7 @@ static void SetupVulkan(const char** extensions, uint32_t extensions_count)
}
}
static void SetupVulkanWindowData(ImGui_ImplVulkanH_WindowData* wd, VkSurfaceKHR surface, int width, int height)
static void SetupVulkanWindow(ImGui_ImplVulkanH_WindowData* wd, VkSurfaceKHR surface, int width, int height)
{
wd->Surface = surface;
@ -217,8 +217,6 @@ static void SetupVulkanWindowData(ImGui_ImplVulkanH_WindowData* wd, VkSurfaceKHR
static void CleanupVulkan()
{
ImGui_ImplVulkanH_WindowData* wd = &g_WindowData;
ImGui_ImplVulkanH_DestroyWindowData(g_Instance, g_Device, wd, g_Allocator);
vkDestroyDescriptorPool(g_Device, g_DescriptorPool, g_Allocator);
#ifdef IMGUI_VULKAN_DEBUG_REPORT
@ -231,6 +229,15 @@ static void CleanupVulkan()
vkDestroyInstance(g_Instance, g_Allocator);
}
static void CleanupVulkanWindow()
{
// In a normal engine/app integration, you wouldn't use the ImGui_ImplVulkanH_WindowData helpers,
// however you would instead need to call ImGui_ImplVulkan_DestroyFrameRenderBuffers() on each
// ImGui_ImplVulkan_FrameRenderBuffers structure that you own.
ImGui_ImplVulkanH_WindowData* wd = &g_WindowData;
ImGui_ImplVulkanH_DestroyWindowData(g_Instance, g_Device, wd, g_Allocator);
}
static void FrameRender(ImGui_ImplVulkanH_WindowData* wd)
{
VkResult err;
@ -342,7 +349,7 @@ int main(int, char**)
int w, h;
SDL_GetWindowSize(window, &w, &h);
ImGui_ImplVulkanH_WindowData* wd = &g_WindowData;
SetupVulkanWindowData(wd, surface, w, h);
SetupVulkanWindow(wd, surface, w, h);
// Setup Dear ImGui context
ImGui::CreateContext();
@ -364,7 +371,7 @@ int main(int, char**)
init_info.PipelineCache = g_PipelineCache;
init_info.DescriptorPool = g_DescriptorPool;
init_info.Allocator = g_Allocator;
init_info.FramesQueueSize = wd->FramesQueueSize;
init_info.MinImageCount = g_MinImageCount;
init_info.CheckVkResultFn = check_vk_result;
ImGui_ImplVulkan_Init(&init_info, wd->RenderPass);
@ -443,7 +450,7 @@ int main(int, char**)
if (g_WantSwapChainRebuild)
{
ImGui_ImplVulkanH_CreateWindowData(g_Instance, g_PhysicalDevice, g_Device, &g_WindowData, g_QueueFamily, g_Allocator, g_WindowData.Width, g_WindowData.Height, g_MinImageCount);
ImGui_ImplVulkan_SetFramesQueueSize(g_WindowData.FramesQueueSize);
ImGui_ImplVulkan_SetSwapChainMinImageCount(g_MinImageCount);
g_WindowData.FrameIndex = 0;
g_WantSwapChainRebuild = false;
}
@ -504,6 +511,8 @@ int main(int, char**)
ImGui_ImplVulkan_Shutdown();
ImGui_ImplSDL2_Shutdown();
ImGui::DestroyContext();
CleanupVulkanWindow();
CleanupVulkan();
SDL_DestroyWindow(window);

38
examples/imgui_impl_vulkan.cpp
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@ -21,7 +21,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2019-XX-XX: *BREAKING CHANGE*: Vulkan: Added extra parameter to ImGui_ImplVulkan_RenderDrawData(). Engine/app is in charge of owning/storing 1 ImGui_ImplVulkan_FrameRenderBuffers per in-flight rendering frame. (The demo helper ImGui_ImplVulkanH_WindowData structure carries them.)
// 2019-XX-XX: *BREAKING CHANGE*: Vulkan: Added FramesQueueSize field in ImGui_ImplVulkan_InitInfo, required for initialization (was previously a hard #define IMGUI_VK_QUEUED_FRAMES 2). Added ImGui_ImplVulkan_SetFramesQueueSize() to override FramesQueueSize while running.
// 2019-XX-XX: *BREAKING CHANGE*: Vulkan: Added MinImageCount field in ImGui_ImplVulkan_InitInfo, required for initialization (was previously a hard #define IMGUI_VK_QUEUED_FRAMES 2). Added ImGui_ImplVulkan_SetSwapChainMinImageCount().
// 2019-XX-XX: Vulkan: Added VkInstance argument to ImGui_ImplVulkanH_CreateWindowData() optional helper.
// 2019-04-04: Vulkan: Avoid passing negative coordinates to vkCmdSetScissor, which debug validation layers do not like.
// 2019-04-01: Vulkan: Support for 32-bit index buffer (#define ImDrawIdx unsigned int).
@ -64,7 +64,6 @@ static VkBuffer g_UploadBuffer = VK_NULL_HANDLE;
// Forward Declarations
void ImGui_ImplVulkanH_DestroyFrameData(VkInstance instance, VkDevice device, ImGui_ImplVulkanH_FrameData* fd, const VkAllocationCallbacks* allocator);
void ImGui_ImplVulkanH_DestroyFrameRenderBuffers(VkInstance instance, VkDevice device, ImGui_ImplVulkan_FrameRenderBuffers* frb, const VkAllocationCallbacks* allocator);
void ImGui_ImplVulkanH_CreateWindowDataSwapChain(VkInstance instance, VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, const VkAllocationCallbacks* allocator, int w, int h, uint32_t min_image_count);
void ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(VkInstance instance, VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, uint32_t queue_family, const VkAllocationCallbacks* allocator);
@ -754,7 +753,7 @@ bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass rend
IM_ASSERT(info->Device != VK_NULL_HANDLE);
IM_ASSERT(info->Queue != VK_NULL_HANDLE);
IM_ASSERT(info->DescriptorPool != VK_NULL_HANDLE);
IM_ASSERT(info->FramesQueueSize >= 2);
IM_ASSERT(info->MinImageCount >= 2);
IM_ASSERT(render_pass != VK_NULL_HANDLE);
g_VulkanInitInfo = *info;
@ -773,9 +772,24 @@ void ImGui_ImplVulkan_NewFrame()
{
}
void ImGui_ImplVulkan_SetFramesQueueSize(int frames_queue_size)
// Note: this has no effect in the 'master' branch, but multi-viewports needs this to recreate swap-chains.
void ImGui_ImplVulkan_SetSwapChainMinImageCount(int min_image_count)
{
(void)frames_queue_size;
IM_ASSERT(min_image_count >= 2);
g_VulkanInitInfo.MinImageCount = min_image_count;
}
// This is a public function because we require the user to pass a ImGui_ImplVulkan_FrameRenderBuffers
// structure to ImGui_ImplVulkan_RenderDrawData.
void ImGui_ImplVulkan_DestroyFrameRenderBuffers(VkInstance instance, VkDevice device, ImGui_ImplVulkan_FrameRenderBuffers* buffers, const VkAllocationCallbacks* allocator)
{
(void)instance;
if (buffers->VertexBuffer) { vkDestroyBuffer(device, buffers->VertexBuffer, allocator); buffers->VertexBuffer = VK_NULL_HANDLE; }
if (buffers->VertexBufferMemory) { vkFreeMemory (device, buffers->VertexBufferMemory, allocator); buffers->VertexBufferMemory = VK_NULL_HANDLE; }
if (buffers->IndexBuffer) { vkDestroyBuffer(device, buffers->IndexBuffer, allocator); buffers->IndexBuffer = VK_NULL_HANDLE; }
if (buffers->IndexBufferMemory) { vkFreeMemory (device, buffers->IndexBufferMemory, allocator); buffers->IndexBufferMemory = VK_NULL_HANDLE; }
buffers->VertexBufferSize = 0;
buffers->IndexBufferSize = 0;
}
@ -910,7 +924,6 @@ void ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(VkInstance instance, VkPhy
}
}
// MinImageCount will usually turn into FramesQueueSize
int ImGui_ImplVulkanH_GetMinImageCountFromPresentMode(VkPresentModeKHR present_mode)
{
if (present_mode == VK_PRESENT_MODE_MAILBOX_KHR)
@ -984,6 +997,7 @@ void ImGui_ImplVulkanH_CreateWindowDataSwapChain(VkInstance instance, VkPhysical
err = vkGetSwapchainImagesKHR(device, wd->Swapchain, &wd->FramesQueueSize, NULL);
check_vk_result(err);
VkImage backbuffers[16] = {};
IM_ASSERT(wd->FramesQueueSize >= min_image_count);
IM_ASSERT(wd->FramesQueueSize < IM_ARRAYSIZE(backbuffers));
err = vkGetSwapchainImagesKHR(device, wd->Swapchain, &wd->FramesQueueSize, backbuffers);
check_vk_result(err);
@ -1114,16 +1128,6 @@ void ImGui_ImplVulkanH_DestroyFrameData(VkInstance instance, VkDevice device, Im
vkDestroyImageView(device, fd->BackbufferView, allocator);
vkDestroyFramebuffer(device, fd->Framebuffer, allocator);
ImGui_ImplVulkanH_DestroyFrameRenderBuffers(instance, device, &fd->RenderBuffers, allocator);
ImGui_ImplVulkan_DestroyFrameRenderBuffers(instance, device, &fd->RenderBuffers, allocator);
}
void ImGui_ImplVulkanH_DestroyFrameRenderBuffers(VkInstance instance, VkDevice device, ImGui_ImplVulkan_FrameRenderBuffers* frb, const VkAllocationCallbacks* allocator)
{
(void)instance;
if (frb->VertexBuffer) { vkDestroyBuffer(device, frb->VertexBuffer, allocator); frb->VertexBuffer = VK_NULL_HANDLE; }
if (frb->VertexBufferMemory) { vkFreeMemory (device, frb->VertexBufferMemory, allocator); frb->VertexBufferMemory = VK_NULL_HANDLE; }
if (frb->IndexBuffer) { vkDestroyBuffer(device, frb->IndexBuffer, allocator); frb->IndexBuffer = VK_NULL_HANDLE; }
if (frb->IndexBufferMemory) { vkFreeMemory (device, frb->IndexBufferMemory, allocator); frb->IndexBufferMemory = VK_NULL_HANDLE; }
frb->VertexBufferSize = 0;
frb->IndexBufferSize = 0;
}

5
examples/imgui_impl_vulkan.h
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@ -33,7 +33,7 @@ struct ImGui_ImplVulkan_InitInfo
VkQueue Queue;
VkPipelineCache PipelineCache;
VkDescriptorPool DescriptorPool;
int FramesQueueSize; // >= 2, generally matches the image count returned by vkGetSwapchainImagesKHR
int MinImageCount; // >= 2
const VkAllocationCallbacks* Allocator;
void (*CheckVkResultFn)(VkResult err);
};
@ -56,10 +56,11 @@ struct ImGui_ImplVulkan_FrameRenderBuffers
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_NewFrame();
IMGUI_IMPL_API void ImGui_ImplVulkan_SetFramesQueueSize(int frames_queue_size); // To override FramesQueueSize after initialization
IMGUI_IMPL_API void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer command_buffer, ImGui_ImplVulkan_FrameRenderBuffers* buffers);
IMGUI_IMPL_API bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer);
IMGUI_IMPL_API void ImGui_ImplVulkan_DestroyFontUploadObjects();
IMGUI_IMPL_API void ImGui_ImplVulkan_DestroyFrameRenderBuffers(VkInstance instance, VkDevice device, ImGui_ImplVulkan_FrameRenderBuffers* buffers, const VkAllocationCallbacks* allocator);
IMGUI_IMPL_API void ImGui_ImplVulkan_SetSwapChainMinImageCount(int frames_queue_size); // To override MinImageCount after initialization
// Called by ImGui_ImplVulkan_Init(), might be useful elsewhere.
IMGUI_IMPL_API bool ImGui_ImplVulkan_CreateDeviceObjects();

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