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Vulkan: Bits. Using IM_ALLOC/IM_FREE instead of new[] / delete[].

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This commit is contained in:
omar 2019-04-05 20:27:46 +02:00
parent bd351e9ac5
commit e099a7dc74
4 changed files with 33 additions and 41 deletions
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20
examples/example_glfw_vulkan/main.cpp
View File

@ -2,9 +2,9 @@
// If you are new to dear imgui, see examples/README.txt and documentation at the top of imgui.cpp.
// Important note to the reader who wish to integrate imgui_impl_vulkan.cpp/.h in their own engine/app.
// - Common ImGui_ImplVulkan_XXXX functions and structures are used to interface with imgui_impl_vulkan.cpp/.h.
// - Common ImGui_ImplVulkan_XXX functions and structures are used to interface with imgui_impl_vulkan.cpp/.h.
// You will use those if you want to use this rendering back-end in your engine/app.
// - Helper ImGui_ImplVulkanH_XXXX functions and structures are only used by this example (main.cpp) and by
// - Helper ImGui_ImplVulkanH_XXX functions and structures are only used by this example (main.cpp) and by
// the back-end itself (imgui_impl_vulkan.cpp), but should PROBABLY NOT be used by your own engine/app code.
// Read comments in imgui_impl_vulkan.h.
@ -40,7 +40,7 @@ static VkDebugReportCallbackEXT g_DebugReport = VK_NULL_HANDLE;
static VkPipelineCache g_PipelineCache = VK_NULL_HANDLE;
static VkDescriptorPool g_DescriptorPool = VK_NULL_HANDLE;
static ImGui_ImplVulkanH_Window g_WindowData;
static ImGui_ImplVulkanH_Window g_MainWindowData;
static int g_MinImageCount = 2;
static bool g_SwapChainRebuild = false;
static int g_SwapChainResizeWidth = 0;
@ -193,6 +193,8 @@ static void SetupVulkan(const char** extensions, uint32_t extensions_count)
}
}
// All the ImGui_ImplVulkanH_XXX structures/functions are optional helpers used by the demo.
// Your real engine/app may not use them.
static void SetupVulkanWindow(ImGui_ImplVulkanH_Window* wd, VkSurfaceKHR surface, int width, int height)
{
wd->Surface = surface;
@ -241,11 +243,7 @@ static void CleanupVulkan()
static void CleanupVulkanWindow()
{
// In a normal engine/app integration, you wouldn't use the ImGui_ImplVulkanH_Window helpers,
// however you would instead need to call ImGui_ImplVulkan_DestroyFrameRenderBuffers() on each
// ImGui_ImplVulkan_FrameRenderBuffers structure that you own.
ImGui_ImplVulkanH_Window* wd = &g_WindowData;
ImGui_ImplVulkanH_DestroyWindow(g_Instance, g_Device, wd, g_Allocator);
ImGui_ImplVulkanH_DestroyWindow(g_Instance, g_Device, &g_MainWindowData, g_Allocator);
}
static void FrameRender(ImGui_ImplVulkanH_Window* wd)
@ -365,7 +363,7 @@ int main(int, char**)
int w, h;
glfwGetFramebufferSize(window, &w, &h);
glfwSetFramebufferSizeCallback(window, glfw_resize_callback);
ImGui_ImplVulkanH_Window* wd = &g_WindowData;
ImGui_ImplVulkanH_Window* wd = &g_MainWindowData;
SetupVulkanWindow(wd, surface, w, h);
// Setup Dear ImGui context
@ -458,8 +456,8 @@ int main(int, char**)
{
g_SwapChainRebuild = false;
ImGui_ImplVulkan_SetMinImageCount(g_MinImageCount);
ImGui_ImplVulkanH_CreateWindow(g_Instance, g_PhysicalDevice, g_Device, &g_WindowData, g_QueueFamily, g_Allocator, g_SwapChainResizeWidth, g_SwapChainResizeHeight, g_MinImageCount);
g_WindowData.FrameIndex = 0;
ImGui_ImplVulkanH_CreateWindow(g_Instance, g_PhysicalDevice, g_Device, &g_MainWindowData, g_QueueFamily, g_Allocator, g_SwapChainResizeWidth, g_SwapChainResizeHeight, g_MinImageCount);
g_MainWindowData.FrameIndex = 0;
}
// Start the Dear ImGui frame

20
examples/example_sdl_vulkan/main.cpp
View File

@ -2,9 +2,9 @@
// If you are new to dear imgui, see examples/README.txt and documentation at the top of imgui.cpp.
// Important note to the reader who wish to integrate imgui_impl_vulkan.cpp/.h in their own engine/app.
// - Common ImGui_ImplVulkan_XXXX functions and structures are used to interface with imgui_impl_vulkan.cpp/.h.
// - Common ImGui_ImplVulkan_XXX functions and structures are used to interface with imgui_impl_vulkan.cpp/.h.
// You will use those if you want to use this rendering back-end in your engine/app.
// - Helper ImGui_ImplVulkanH_XXXX functions and structures are only used by this example (main.cpp) and by
// - Helper ImGui_ImplVulkanH_XXX functions and structures are only used by this example (main.cpp) and by
// the back-end itself (imgui_impl_vulkan.cpp), but should PROBABLY NOT be used by your own engine/app code.
// Read comments in imgui_impl_vulkan.h.
@ -32,7 +32,7 @@ static VkDebugReportCallbackEXT g_DebugReport = VK_NULL_HANDLE;
static VkPipelineCache g_PipelineCache = VK_NULL_HANDLE;
static VkDescriptorPool g_DescriptorPool = VK_NULL_HANDLE;
static ImGui_ImplVulkanH_Window g_WindowData;
static ImGui_ImplVulkanH_Window g_MainWindowData;
static uint32_t g_MinImageCount = 2;
static bool g_SwapChainRebuild = false;
static int g_SwapChainResizeWidth = 0;
@ -185,6 +185,8 @@ static void SetupVulkan(const char** extensions, uint32_t extensions_count)
}
}
// All the ImGui_ImplVulkanH_XXX structures/functions are optional helpers used by the demo.
// Your real engine/app may not use them.
static void SetupVulkanWindow(ImGui_ImplVulkanH_Window* wd, VkSurfaceKHR surface, int width, int height)
{
wd->Surface = surface;
@ -233,11 +235,7 @@ static void CleanupVulkan()
static void CleanupVulkanWindow()
{
// In a normal engine/app integration, you wouldn't use the ImGui_ImplVulkanH_Window helpers,
// however you would instead need to call ImGui_ImplVulkan_DestroyFrameRenderBuffers() on each
// ImGui_ImplVulkan_FrameRenderBuffers structure that you own.
ImGui_ImplVulkanH_Window* wd = &g_WindowData;
ImGui_ImplVulkanH_DestroyWindow(g_Instance, g_Device, wd, g_Allocator);
ImGui_ImplVulkanH_DestroyWindow(g_Instance, g_Device, &g_MainWindowData, g_Allocator);
}
static void FrameRender(ImGui_ImplVulkanH_Window* wd)
@ -351,7 +349,7 @@ int main(int, char**)
// Create Framebuffers
int w, h;
SDL_GetWindowSize(window, &w, &h);
ImGui_ImplVulkanH_Window* wd = &g_WindowData;
ImGui_ImplVulkanH_Window* wd = &g_MainWindowData;
SetupVulkanWindow(wd, surface, w, h);
// Setup Dear ImGui context
@ -455,8 +453,8 @@ int main(int, char**)
{
g_SwapChainRebuild = false;
ImGui_ImplVulkan_SetMinImageCount(g_MinImageCount);
ImGui_ImplVulkanH_CreateWindow(g_Instance, g_PhysicalDevice, g_Device, &g_WindowData, g_QueueFamily, g_Allocator, g_SwapChainResizeWidth, g_SwapChainResizeHeight, g_MinImageCount);
g_WindowData.FrameIndex = 0;
ImGui_ImplVulkanH_CreateWindow(g_Instance, g_PhysicalDevice, g_Device, &g_MainWindowData, g_QueueFamily, g_Allocator, g_SwapChainResizeWidth, g_SwapChainResizeHeight, g_MinImageCount);
g_MainWindowData.FrameIndex = 0;
}
// Start the Dear ImGui frame

26
examples/imgui_impl_vulkan.cpp
View File

@ -12,9 +12,9 @@
// IF YOU FEEL YOU NEED TO MAKE ANY CHANGE TO THIS CODE, please share them and your feedback at https://github.com/ocornut/imgui/
// Important note to the reader who wish to integrate imgui_impl_vulkan.cpp/.h in their own engine/app.
// - Common ImGui_ImplVulkan_XXXX functions and structures are used to interface with imgui_impl_vulkan.cpp/.h.
// - Common ImGui_ImplVulkan_XXX functions and structures are used to interface with imgui_impl_vulkan.cpp/.h.
// You will use those if you want to use this rendering back-end in your engine/app.
// - Helper ImGui_ImplVulkanH_XXXX functions and structures are only used by this example (main.cpp) and by
// - Helper ImGui_ImplVulkanH_XXX functions and structures are only used by this example (main.cpp) and by
// the back-end itself (imgui_impl_vulkan.cpp), but should PROBABLY NOT be used by your own engine/app code.
// Read comments in imgui_impl_vulkan.h.
@ -86,6 +86,8 @@ static VkBuffer g_UploadBuffer = VK_NULL_HANDLE;
static ImGui_ImplVulkanH_WindowRenderBuffers g_MainWindowRenderBuffers;
// Forward Declarations
bool ImGui_ImplVulkan_CreateDeviceObjects();
void ImGui_ImplVulkan_DestroyDeviceObjects();
void ImGui_ImplVulkanH_DestroyFrame(VkDevice device, ImGui_ImplVulkanH_Frame* fd, const VkAllocationCallbacks* allocator);
void ImGui_ImplVulkanH_DestroyFrameSemaphores(VkDevice device, ImGui_ImplVulkanH_FrameSemaphores* fsd, const VkAllocationCallbacks* allocator);
void ImGui_ImplVulkanH_DestroyFrameRenderBuffers(VkDevice device, ImGui_ImplVulkanH_FrameRenderBuffers* buffers, const VkAllocationCallbacks* allocator);
@ -230,7 +232,7 @@ static void CreateOrResizeBuffer(VkBuffer& buffer, VkDeviceMemory& buffer_memory
VkResult err;
if (buffer != VK_NULL_HANDLE)
vkDestroyBuffer(v->Device, buffer, v->Allocator);
if (buffer_memory)
if (buffer_memory != VK_NULL_HANDLE)
vkFreeMemory(v->Device, buffer_memory, v->Allocator);
VkDeviceSize vertex_buffer_size_aligned = ((new_size - 1) / g_BufferMemoryAlignment + 1) * g_BufferMemoryAlignment;
@ -275,7 +277,7 @@ void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer comm
{
wrb->Index = 0;
wrb->Count = v->ImageCount;
wrb->FrameRenderBuffers = new ImGui_ImplVulkanH_FrameRenderBuffers[wrb->Count];
wrb->FrameRenderBuffers = (ImGui_ImplVulkanH_FrameRenderBuffers*)IM_ALLOC(sizeof(ImGui_ImplVulkanH_FrameRenderBuffers) * wrb->Count);
memset(wrb->FrameRenderBuffers, 0, sizeof(ImGui_ImplVulkanH_FrameRenderBuffers) * wrb->Count);
}
IM_ASSERT(wrb->Count == v->ImageCount);
@ -844,8 +846,6 @@ void ImGui_ImplVulkan_SetMinImageCount(uint32_t min_image_count)
// (The ImGui_ImplVulkanH_XXX functions do not interact with any of the state used by the regular ImGui_ImplVulkan_XXX functions)
//-------------------------------------------------------------------------
#include <stdlib.h> // malloc
VkSurfaceFormatKHR ImGui_ImplVulkanH_SelectSurfaceFormat(VkPhysicalDevice physical_device, VkSurfaceKHR surface, const VkFormat* request_formats, int request_formats_count, VkColorSpaceKHR request_color_space)
{
IM_ASSERT(request_formats != NULL);
@ -986,8 +986,8 @@ void ImGui_ImplVulkanH_CreateWindowSwapChain(VkPhysicalDevice physical_device, V
ImGui_ImplVulkanH_DestroyFrame(device, &wd->Frames[i], allocator);
ImGui_ImplVulkanH_DestroyFrameSemaphores(device, &wd->FrameSemaphores[i], allocator);
}
delete[] wd->Frames;
delete[] wd->FrameSemaphores;
IM_FREE(wd->Frames);
IM_FREE(wd->FrameSemaphores);
wd->Frames = NULL;
wd->FrameSemaphores = NULL;
wd->ImageCount = 0;
@ -1043,8 +1043,8 @@ void ImGui_ImplVulkanH_CreateWindowSwapChain(VkPhysicalDevice physical_device, V
check_vk_result(err);
IM_ASSERT(wd->Frames == NULL);
wd->Frames = new ImGui_ImplVulkanH_Frame[wd->ImageCount];
wd->FrameSemaphores = new ImGui_ImplVulkanH_FrameSemaphores[wd->ImageCount];
wd->Frames = (ImGui_ImplVulkanH_Frame*)IM_ALLOC(sizeof(ImGui_ImplVulkanH_Frame) * wd->ImageCount);
wd->FrameSemaphores = (ImGui_ImplVulkanH_FrameSemaphores*)IM_ALLOC(sizeof(ImGui_ImplVulkanH_FrameSemaphores) * wd->ImageCount);
memset(wd->Frames, 0, sizeof(wd->Frames[0]) * wd->ImageCount);
memset(wd->FrameSemaphores, 0, sizeof(wd->FrameSemaphores[0]) * wd->ImageCount);
for (uint32_t i = 0; i < wd->ImageCount; i++)
@ -1149,8 +1149,8 @@ void ImGui_ImplVulkanH_DestroyWindow(VkInstance instance, VkDevice device, ImGui
ImGui_ImplVulkanH_DestroyFrame(device, &wd->Frames[i], allocator);
ImGui_ImplVulkanH_DestroyFrameSemaphores(device, &wd->FrameSemaphores[i], allocator);
}
delete[] wd->Frames;
delete[] wd->FrameSemaphores;
IM_FREE(wd->Frames);
IM_FREE(wd->FrameSemaphores);
wd->Frames = NULL;
wd->FrameSemaphores = NULL;
vkDestroyRenderPass(device, wd->RenderPass, allocator);
@ -1194,7 +1194,7 @@ void ImGui_ImplVulkanH_DestroyWindowRenderBuffers(VkDevice device, ImGui_ImplVul
{
for (uint32_t n = 0; n < buffers->Count; n++)
ImGui_ImplVulkanH_DestroyFrameRenderBuffers(device, &buffers->FrameRenderBuffers[n], allocator);
delete[] buffers->FrameRenderBuffers;
IM_FREE(buffers->FrameRenderBuffers);
buffers->FrameRenderBuffers = NULL;
buffers->Index = 0;
buffers->Count = 0;

8
examples/imgui_impl_vulkan.h
View File

@ -12,9 +12,9 @@
// IF YOU FEEL YOU NEED TO MAKE ANY CHANGE TO THIS CODE, please share them and your feedback at https://github.com/ocornut/imgui/
// Important note to the reader who wish to integrate imgui_impl_vulkan.cpp/.h in their own engine/app.
// - Common ImGui_ImplVulkan_XXXX functions and structures are used to interface with imgui_impl_vulkan.cpp/.h.
// - Common ImGui_ImplVulkan_XXX functions and structures are used to interface with imgui_impl_vulkan.cpp/.h.
// You will use those if you want to use this rendering back-end in your engine/app.
// - Helper ImGui_ImplVulkanH_XXXX functions and structures are only used by this example (main.cpp) and by
// - Helper ImGui_ImplVulkanH_XXX functions and structures are only used by this example (main.cpp) and by
// the back-end itself (imgui_impl_vulkan.cpp), but should PROBABLY NOT be used by your own engine/app code.
// Read comments in imgui_impl_vulkan.h.
@ -48,10 +48,6 @@ IMGUI_IMPL_API bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer comm
IMGUI_IMPL_API void ImGui_ImplVulkan_DestroyFontUploadObjects();
IMGUI_IMPL_API void ImGui_ImplVulkan_SetMinImageCount(uint32_t min_image_count); // To override MinImageCount after initialization (e.g. if swap chain is recreated)
// Called by ImGui_ImplVulkan_Init(), might be useful elsewhere.
IMGUI_IMPL_API bool ImGui_ImplVulkan_CreateDeviceObjects();
IMGUI_IMPL_API void ImGui_ImplVulkan_DestroyDeviceObjects();
//-------------------------------------------------------------------------
// Internal / Miscellaneous Vulkan Helpers