mirror of
https://github.com/Drezil/imgui.git
synced 2025-07-06 04:58:47 +02:00
Merge branch 'master' into docking
# Conflicts: # backends/imgui_impl_win32.cpp # docs/CHANGELOG.txt # imgui.cpp
This commit is contained in:
ocornut
@ -1,5 +1,5 @@
|
||||
// dear imgui: Platform Backend for GLFW
|
||||
// This needs to be used along with a Renderer (e.g. OpenGL3, Vulkan..)
|
||||
// This needs to be used along with a Renderer (e.g. OpenGL3, Vulkan, WebGPU..)
|
||||
// (Info: GLFW is a cross-platform general purpose library for handling windows, inputs, OpenGL/Vulkan graphics context creation, etc.)
|
||||
// (Requires: GLFW 3.1+. Prefer GLFW 3.3+ for full feature support.)
|
||||
|
||||
@ -77,7 +77,8 @@ enum GlfwClientApi
|
||||
{
|
||||
GlfwClientApi_Unknown,
|
||||
GlfwClientApi_OpenGL,
|
||||
GlfwClientApi_Vulkan
|
||||
GlfwClientApi_Vulkan,
|
||||
GlfwClientApi_WebGPU
|
||||
};
|
||||
static GLFWwindow* g_Window = NULL; // Main window
|
||||
static GlfwClientApi g_ClientApi = GlfwClientApi_Unknown;
|
||||
@ -273,6 +274,11 @@ bool ImGui_ImplGlfw_InitForVulkan(GLFWwindow* window, bool install_callbacks)
|
||||
return ImGui_ImplGlfw_Init(window, install_callbacks, GlfwClientApi_Vulkan);
|
||||
}
|
||||
|
||||
bool ImGui_ImplGlfw_InitForWebGPU(GLFWwindow* window, bool install_callbacks)
|
||||
{
|
||||
return ImGui_ImplGlfw_Init(window, install_callbacks, GlfwClientApi_WebGPU);
|
||||
}
|
||||
|
||||
void ImGui_ImplGlfw_Shutdown()
|
||||
{
|
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ImGui_ImplGlfw_ShutdownPlatformInterface();
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
// dear imgui: Platform Backend for GLFW
|
||||
// This needs to be used along with a Renderer (e.g. OpenGL3, Vulkan..)
|
||||
// This needs to be used along with a Renderer (e.g. OpenGL3, Vulkan, WebGPU..)
|
||||
// (Info: GLFW is a cross-platform general purpose library for handling windows, inputs, OpenGL/Vulkan graphics context creation, etc.)
|
||||
|
||||
// Implemented features:
|
||||
@ -28,6 +28,7 @@ struct GLFWmonitor;
|
||||
|
||||
IMGUI_IMPL_API bool ImGui_ImplGlfw_InitForOpenGL(GLFWwindow* window, bool install_callbacks);
|
||||
IMGUI_IMPL_API bool ImGui_ImplGlfw_InitForVulkan(GLFWwindow* window, bool install_callbacks);
|
||||
IMGUI_IMPL_API bool ImGui_ImplGlfw_InitForWebGPU(GLFWwindow* window, bool install_callbacks);
|
||||
IMGUI_IMPL_API void ImGui_ImplGlfw_Shutdown();
|
||||
IMGUI_IMPL_API void ImGui_ImplGlfw_NewFrame();
|
||||
|
||||
|
||||
@ -13,6 +13,7 @@
|
||||
|
||||
// CHANGELOG
|
||||
// (minor and older changes stripped away, please see git history for details)
|
||||
// 2021-01-25: Metal: Fixed texture storage mode when building on Mac Catalyst.
|
||||
// 2019-05-29: Metal: Added support for large mesh (64K+ vertices), enable ImGuiBackendFlags_RendererHasVtxOffset flag.
|
||||
// 2019-04-30: Metal: Added support for special ImDrawCallback_ResetRenderState callback to reset render state.
|
||||
// 2019-02-11: Metal: Projecting clipping rectangles correctly using draw_data->FramebufferScale to allow multi-viewports for retina display.
|
||||
@ -240,7 +241,7 @@ void ImGui_ImplMetal_DestroyDeviceObjects()
|
||||
height:(NSUInteger)height
|
||||
mipmapped:NO];
|
||||
textureDescriptor.usage = MTLTextureUsageShaderRead;
|
||||
#if TARGET_OS_OSX
|
||||
#if TARGET_OS_OSX || TARGET_OS_MACCATALYST
|
||||
textureDescriptor.storageMode = MTLStorageModeManaged;
|
||||
#else
|
||||
textureDescriptor.storageMode = MTLStorageModeShared;
|
||||
|
||||
@ -19,6 +19,7 @@
|
||||
|
||||
// CHANGELOG
|
||||
// (minor and older changes stripped away, please see git history for details)
|
||||
// 2021-01-27: Inputs: Added a fix for mouse position not being reported when mouse buttons other than left one are down.
|
||||
// 2020-10-28: Inputs: Added a fix for handling keypad-enter key.
|
||||
// 2020-05-25: Inputs: Added a fix for missing trackpad clicks when done with "soft tap".
|
||||
// 2019-12-05: Inputs: Added support for ImGuiMouseCursor_NotAllowed mouse cursor.
|
||||
@ -227,7 +228,7 @@ bool ImGui_ImplOSX_HandleEvent(NSEvent* event, NSView* view)
|
||||
return io.WantCaptureMouse;
|
||||
}
|
||||
|
||||
if (event.type == NSEventTypeMouseMoved || event.type == NSEventTypeLeftMouseDragged)
|
||||
if (event.type == NSEventTypeMouseMoved || event.type == NSEventTypeLeftMouseDragged || event.type == NSEventTypeRightMouseDragged || event.type == NSEventTypeOtherMouseDragged)
|
||||
{
|
||||
NSPoint mousePoint = event.locationInWindow;
|
||||
mousePoint = [view convertPoint:mousePoint fromView:nil];
|
||||
|
||||
@ -23,6 +23,7 @@
|
||||
|
||||
// CHANGELOG
|
||||
// (minor and older changes stripped away, please see git history for details)
|
||||
// 2021-01-27: Vulkan: Added support for custom function load and IMGUI_IMPL_VULKAN_NO_PROTOTYPES by using ImGui_ImplVulkan_LoadFunctions().
|
||||
// 2020-11-11: Vulkan: Added support for specifying which subpass to reference during VkPipeline creation.
|
||||
// 2020-09-07: Vulkan: Added VkPipeline parameter to ImGui_ImplVulkan_RenderDrawData (default to one passed to ImGui_ImplVulkan_Init).
|
||||
// 2020-05-04: Vulkan: Fixed crash if initial frame has no vertices.
|
||||
@ -49,7 +50,6 @@
|
||||
// 2016-10-18: Vulkan: Add location decorators & change to use structs as in/out in glsl, update embedded spv (produced with glslangValidator -x). Null the released resources.
|
||||
// 2016-08-27: Vulkan: Fix Vulkan example for use when a depth buffer is active.
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||||
|
||||
#include "imgui.h"
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||||
#include "imgui_impl_vulkan.h"
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||||
#include <stdio.h>
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||||
|
||||
@ -98,6 +98,11 @@ static VkPipeline g_Pipeline = VK_NULL_HANDLE;
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||||
static uint32_t g_Subpass = 0;
|
||||
static VkShaderModule g_ShaderModuleVert;
|
||||
static VkShaderModule g_ShaderModuleFrag;
|
||||
#ifdef VK_NO_PROTOTYPES
|
||||
static bool g_FunctionsLoaded = false;
|
||||
#else
|
||||
static bool g_FunctionsLoaded = true;
|
||||
#endif
|
||||
|
||||
// Font data
|
||||
static VkSampler g_FontSampler = VK_NULL_HANDLE;
|
||||
@ -118,6 +123,75 @@ void ImGui_ImplVulkanH_DestroyAllViewportsRenderBuffers(VkDevice device, const V
|
||||
void ImGui_ImplVulkanH_CreateWindowSwapChain(VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_Window* wd, const VkAllocationCallbacks* allocator, int w, int h, uint32_t min_image_count);
|
||||
void ImGui_ImplVulkanH_CreateWindowCommandBuffers(VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_Window* wd, uint32_t queue_family, const VkAllocationCallbacks* allocator);
|
||||
|
||||
// Vulkan prototypes for use with custom loaders
|
||||
// (see description of IMGUI_IMPL_VULKAN_NO_PROTOTYPES in imgui_impl_vulkan.h
|
||||
#ifdef VK_NO_PROTOTYPES
|
||||
#define IMGUI_VULKAN_FUNC_MAP(IMGUI_VULKAN_FUNC_MAP_MACRO) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkAllocateCommandBuffers) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkAllocateDescriptorSets) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkAllocateMemory) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkBindBufferMemory) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkBindImageMemory) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkCmdBindDescriptorSets) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkCmdBindIndexBuffer) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkCmdBindPipeline) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkCmdBindVertexBuffers) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkCmdCopyBufferToImage) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkCmdDrawIndexed) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkCmdPipelineBarrier) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkCmdPushConstants) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkCmdSetScissor) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkCmdSetViewport) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkCreateBuffer) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkCreateCommandPool) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkCreateDescriptorSetLayout) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkCreateFence) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkCreateFramebuffer) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkCreateGraphicsPipelines) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkCreateImage) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkCreateImageView) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkCreatePipelineLayout) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkCreateRenderPass) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkCreateSampler) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkCreateSemaphore) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkCreateShaderModule) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkCreateSwapchainKHR) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkDestroyBuffer) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkDestroyCommandPool) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkDestroyDescriptorSetLayout) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkDestroyFence) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkDestroyFramebuffer) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkDestroyImage) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkDestroyImageView) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkDestroyPipeline) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkDestroyPipelineLayout) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkDestroyRenderPass) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkDestroySampler) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkDestroySemaphore) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkDestroyShaderModule) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkDestroySurfaceKHR) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkDestroySwapchainKHR) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkDeviceWaitIdle) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkFlushMappedMemoryRanges) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkFreeCommandBuffers) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkFreeMemory) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkGetBufferMemoryRequirements) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkGetImageMemoryRequirements) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkGetPhysicalDeviceMemoryProperties) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkGetPhysicalDeviceSurfaceCapabilitiesKHR) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkGetPhysicalDeviceSurfaceFormatsKHR) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkGetPhysicalDeviceSurfacePresentModesKHR) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkGetSwapchainImagesKHR) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkMapMemory) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkUnmapMemory) \
|
||||
IMGUI_VULKAN_FUNC_MAP_MACRO(vkUpdateDescriptorSets)
|
||||
|
||||
// Define function pointers
|
||||
#define IMGUI_VULKAN_FUNC_DEF(func) static PFN_##func func;
|
||||
IMGUI_VULKAN_FUNC_MAP(IMGUI_VULKAN_FUNC_DEF)
|
||||
#undef IMGUI_VULKAN_FUNC_DEF
|
||||
#endif // VK_NO_PROTOTYPES
|
||||
|
||||
//-----------------------------------------------------------------------------
|
||||
// SHADERS
|
||||
//-----------------------------------------------------------------------------
|
||||
@ -903,8 +977,31 @@ void ImGui_ImplVulkan_DestroyDeviceObjects()
|
||||
if (g_Pipeline) { vkDestroyPipeline(v->Device, g_Pipeline, v->Allocator); g_Pipeline = VK_NULL_HANDLE; }
|
||||
}
|
||||
|
||||
bool ImGui_ImplVulkan_LoadFunctions(PFN_vkVoidFunction(*loader_func)(const char* function_name, void* user_data), void* user_data)
|
||||
{
|
||||
// Load function pointers
|
||||
// You can use the default Vulkan loader using:
|
||||
// ImGui_ImplVulkan_LoadFunctions([](const char* function_name, void*) { return vkGetInstanceProcAddr(your_vk_isntance, function_name); });
|
||||
// But this would be equivalent to not setting VK_NO_PROTOTYPES.
|
||||
#ifdef VK_NO_PROTOTYPES
|
||||
#define IMGUI_VULKAN_FUNC_LOAD(func) \
|
||||
func = reinterpret_cast<decltype(func)>(loader_func(#func, user_data)); \
|
||||
if (func == NULL) \
|
||||
return false;
|
||||
IMGUI_VULKAN_FUNC_MAP(IMGUI_VULKAN_FUNC_LOAD)
|
||||
#undef IMGUI_VULKAN_FUNC_LOAD
|
||||
#else
|
||||
IM_UNUSED(loader_func);
|
||||
IM_UNUSED(user_data);
|
||||
#endif
|
||||
g_FunctionsLoaded = true;
|
||||
return true;
|
||||
}
|
||||
|
||||
bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass render_pass)
|
||||
{
|
||||
IM_ASSERT(g_FunctionsLoaded && "Need to call ImGui_ImplVulkan_LoadFunctions() if IMGUI_IMPL_VULKAN_NO_PROTOTYPES or VK_NO_PROTOTYPES are set!");
|
||||
|
||||
// Setup backend capabilities flags
|
||||
ImGuiIO& io = ImGui::GetIO();
|
||||
io.BackendRendererName = "imgui_impl_vulkan";
|
||||
@ -989,6 +1086,7 @@ void ImGui_ImplVulkan_SetMinImageCount(uint32_t min_image_count)
|
||||
|
||||
VkSurfaceFormatKHR ImGui_ImplVulkanH_SelectSurfaceFormat(VkPhysicalDevice physical_device, VkSurfaceKHR surface, const VkFormat* request_formats, int request_formats_count, VkColorSpaceKHR request_color_space)
|
||||
{
|
||||
IM_ASSERT(g_FunctionsLoaded && "Need to call ImGui_ImplVulkan_LoadFunctions() if IMGUI_IMPL_VULKAN_NO_PROTOTYPES or VK_NO_PROTOTYPES are set!");
|
||||
IM_ASSERT(request_formats != NULL);
|
||||
IM_ASSERT(request_formats_count > 0);
|
||||
|
||||
@ -1033,6 +1131,7 @@ VkSurfaceFormatKHR ImGui_ImplVulkanH_SelectSurfaceFormat(VkPhysicalDevice physic
|
||||
|
||||
VkPresentModeKHR ImGui_ImplVulkanH_SelectPresentMode(VkPhysicalDevice physical_device, VkSurfaceKHR surface, const VkPresentModeKHR* request_modes, int request_modes_count)
|
||||
{
|
||||
IM_ASSERT(g_FunctionsLoaded && "Need to call ImGui_ImplVulkan_LoadFunctions() if IMGUI_IMPL_VULKAN_NO_PROTOTYPES or VK_NO_PROTOTYPES are set!");
|
||||
IM_ASSERT(request_modes != NULL);
|
||||
IM_ASSERT(request_modes_count > 0);
|
||||
|
||||
@ -1283,6 +1382,7 @@ void ImGui_ImplVulkanH_CreateWindowSwapChain(VkPhysicalDevice physical_device, V
|
||||
// Create or resize window
|
||||
void ImGui_ImplVulkanH_CreateOrResizeWindow(VkInstance instance, VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_Window* wd, uint32_t queue_family, const VkAllocationCallbacks* allocator, int width, int height, uint32_t min_image_count)
|
||||
{
|
||||
IM_ASSERT(g_FunctionsLoaded && "Need to call ImGui_ImplVulkan_LoadFunctions() if IMGUI_IMPL_VULKAN_NO_PROTOTYPES or VK_NO_PROTOTYPES are set!");
|
||||
(void)instance;
|
||||
ImGui_ImplVulkanH_CreateWindowSwapChain(physical_device, device, wd, allocator, width, height, min_image_count);
|
||||
//ImGui_ImplVulkan_CreatePipeline(device, allocator, VK_NULL_HANDLE, wd->RenderPass, VK_SAMPLE_COUNT_1_BIT, &wd->Pipeline, g_VulkanInitInfo.Subpass);
|
||||
|
||||
@ -23,25 +23,42 @@
|
||||
|
||||
#pragma once
|
||||
#include "imgui.h" // IMGUI_IMPL_API
|
||||
|
||||
// [Configuration] in order to use a custom Vulkan function loader:
|
||||
// (1) You'll need to disable default Vulkan function prototypes.
|
||||
// We provide a '#define IMGUI_IMPL_VULKAN_NO_PROTOTYPES' convenience configuration flag.
|
||||
// In order to make sure this is visible from the imgui_impl_vulkan.cpp compilation unit:
|
||||
// - Add '#define IMGUI_IMPL_VULKAN_NO_PROTOTYPES' in your imconfig.h file
|
||||
// - Or as a compilation flag in your build system
|
||||
// - Or uncomment here (not recommended because you'd be modifying imgui sources!)
|
||||
// - Do not simply add it in a .cpp file!
|
||||
// (2) Call ImGui_ImplVulkan_LoadFunctions() before ImGui_ImplVulkan_Init() with your custom function.
|
||||
// If you have no idea what this is, leave it alone!
|
||||
//#define IMGUI_IMPL_VULKAN_NO_PROTOTYPES
|
||||
|
||||
// Vulkan includes
|
||||
#if defined(IMGUI_IMPL_VULKAN_NO_PROTOTYPES) && !defined(VK_NO_PROTOTYPES)
|
||||
#define VK_NO_PROTOTYPES
|
||||
#endif
|
||||
#include <vulkan/vulkan.h>
|
||||
|
||||
// Initialization data, for ImGui_ImplVulkan_Init()
|
||||
// [Please zero-clear before use!]
|
||||
struct ImGui_ImplVulkan_InitInfo
|
||||
{
|
||||
VkInstance Instance;
|
||||
VkPhysicalDevice PhysicalDevice;
|
||||
VkDevice Device;
|
||||
uint32_t QueueFamily;
|
||||
VkQueue Queue;
|
||||
VkPipelineCache PipelineCache;
|
||||
VkDescriptorPool DescriptorPool;
|
||||
uint32_t Subpass;
|
||||
uint32_t MinImageCount; // >= 2
|
||||
uint32_t ImageCount; // >= MinImageCount
|
||||
VkSampleCountFlagBits MSAASamples; // >= VK_SAMPLE_COUNT_1_BIT
|
||||
const VkAllocationCallbacks* Allocator;
|
||||
void (*CheckVkResultFn)(VkResult err);
|
||||
VkInstance Instance;
|
||||
VkPhysicalDevice PhysicalDevice;
|
||||
VkDevice Device;
|
||||
uint32_t QueueFamily;
|
||||
VkQueue Queue;
|
||||
VkPipelineCache PipelineCache;
|
||||
VkDescriptorPool DescriptorPool;
|
||||
uint32_t Subpass;
|
||||
uint32_t MinImageCount; // >= 2
|
||||
uint32_t ImageCount; // >= MinImageCount
|
||||
VkSampleCountFlagBits MSAASamples; // >= VK_SAMPLE_COUNT_1_BIT
|
||||
const VkAllocationCallbacks* Allocator;
|
||||
void (*CheckVkResultFn)(VkResult err);
|
||||
};
|
||||
|
||||
// Called by user code
|
||||
@ -53,6 +70,9 @@ 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)
|
||||
|
||||
// Optional: load Vulkan functions with a custom function loader
|
||||
// This is only useful with IMGUI_IMPL_VULKAN_NO_PROTOTYPES / VK_NO_PROTOTYPES
|
||||
IMGUI_IMPL_API bool ImGui_ImplVulkan_LoadFunctions(PFN_vkVoidFunction(*loader_func)(const char* function_name, void* user_data), void* user_data = NULL);
|
||||
|
||||
//-------------------------------------------------------------------------
|
||||
// Internal / Miscellaneous Vulkan Helpers
|
||||
|
||||
764
backends/imgui_impl_wgpu.cpp
Normal file
764
backends/imgui_impl_wgpu.cpp
Normal file
@ -0,0 +1,764 @@
|
||||
// dear imgui: Renderer for WebGPU
|
||||
// This needs to be used along with a Platform Binding (e.g. GLFW)
|
||||
// (Please note that WebGPU is currently experimental, will not run on non-beta browsers, and may break.)
|
||||
|
||||
// Implemented features:
|
||||
// [X] Renderer: User texture binding. Use 'WGPUTextureView' as ImTextureID. Read the FAQ about ImTextureID!
|
||||
// [X] Renderer: Support for large meshes (64k+ vertices) with 16-bit indices.
|
||||
|
||||
// You can copy and use unmodified imgui_impl_* files in your project. See examples/ folder for examples of using this.
|
||||
// If you are new to Dear ImGui, read documentation from the docs/ folder + read the top of imgui.cpp.
|
||||
// Read online: https://github.com/ocornut/imgui/tree/master/docs
|
||||
|
||||
// CHANGELOG
|
||||
// (minor and older changes stripped away, please see git history for details)
|
||||
// 2021-01-28: Initial version.
|
||||
|
||||
#include "imgui.h"
|
||||
#include "imgui_impl_wgpu.h"
|
||||
#include <limits.h>
|
||||
#include <webgpu/webgpu.h>
|
||||
|
||||
// Dear ImGui prototypes from imgui_internal.h
|
||||
extern ImGuiID ImHashData(const void* data_p, size_t data_size, ImU32 seed = 0);
|
||||
|
||||
// WebGPU data
|
||||
static WGPUDevice g_wgpuDevice = NULL;
|
||||
static WGPUTextureFormat g_renderTargetFormat = WGPUTextureFormat_Undefined;
|
||||
static WGPURenderPipeline g_pipelineState = NULL;
|
||||
|
||||
struct RenderResources
|
||||
{
|
||||
WGPUTexture FontTexture; // Font texture
|
||||
WGPUTextureView FontTextureView; // Texture view for font texture
|
||||
WGPUSampler Sampler; // Sampler for the font texture
|
||||
WGPUBuffer Uniforms; // Shader uniforms
|
||||
WGPUBindGroup CommonBindGroup; // Resources bind-group to bind the common resources to pipeline
|
||||
WGPUBindGroupLayout ImageBindGroupLayout; // Bind group layout for image textures
|
||||
ImGuiStorage ImageBindGroups; // Resources bind-group to bind the font/image resources to pipeline (this is a key->value map)
|
||||
WGPUBindGroup ImageBindGroup; // Default font-resource of Dear ImGui
|
||||
};
|
||||
static RenderResources g_resources;
|
||||
|
||||
struct FrameResources
|
||||
{
|
||||
WGPUBuffer IndexBuffer;
|
||||
WGPUBuffer VertexBuffer;
|
||||
ImDrawIdx* IndexBufferHost;
|
||||
ImDrawVert* VertexBufferHost;
|
||||
int IndexBufferSize;
|
||||
int VertexBufferSize;
|
||||
};
|
||||
static FrameResources* g_pFrameResources = NULL;
|
||||
static unsigned int g_numFramesInFlight = 0;
|
||||
static unsigned int g_frameIndex = UINT_MAX;
|
||||
|
||||
struct Uniforms
|
||||
{
|
||||
float MVP[4][4];
|
||||
};
|
||||
|
||||
//-----------------------------------------------------------------------------
|
||||
// SHADERS
|
||||
//-----------------------------------------------------------------------------
|
||||
|
||||
// glsl_shader.vert, compiled with:
|
||||
// # glslangValidator -V -x -o glsl_shader.vert.u32 glsl_shader.vert
|
||||
/*
|
||||
#version 450 core
|
||||
layout(location = 0) in vec2 aPos;
|
||||
layout(location = 1) in vec2 aUV;
|
||||
layout(location = 2) in vec4 aColor;
|
||||
layout(set=0, binding = 0) uniform transform { mat4 mvp; };
|
||||
|
||||
out gl_PerVertex { vec4 gl_Position; };
|
||||
layout(location = 0) out struct { vec4 Color; vec2 UV; } Out;
|
||||
|
||||
void main()
|
||||
{
|
||||
Out.Color = aColor;
|
||||
Out.UV = aUV;
|
||||
gl_Position = mvp * vec4(aPos, 0, 1);
|
||||
}
|
||||
*/
|
||||
static uint32_t __glsl_shader_vert_spv[] =
|
||||
{
|
||||
0x07230203,0x00010000,0x00080007,0x0000002c,0x00000000,0x00020011,0x00000001,0x0006000b,
|
||||
0x00000001,0x4c534c47,0x6474732e,0x3035342e,0x00000000,0x0003000e,0x00000000,0x00000001,
|
||||
0x000a000f,0x00000000,0x00000004,0x6e69616d,0x00000000,0x0000000b,0x0000000f,0x00000015,
|
||||
0x0000001b,0x00000023,0x00030003,0x00000002,0x000001c2,0x00040005,0x00000004,0x6e69616d,
|
||||
0x00000000,0x00030005,0x00000009,0x00000000,0x00050006,0x00000009,0x00000000,0x6f6c6f43,
|
||||
0x00000072,0x00040006,0x00000009,0x00000001,0x00005655,0x00030005,0x0000000b,0x0074754f,
|
||||
0x00040005,0x0000000f,0x6c6f4361,0x0000726f,0x00030005,0x00000015,0x00565561,0x00060005,
|
||||
0x00000019,0x505f6c67,0x65567265,0x78657472,0x00000000,0x00060006,0x00000019,0x00000000,
|
||||
0x505f6c67,0x7469736f,0x006e6f69,0x00030005,0x0000001b,0x00000000,0x00050005,0x0000001d,
|
||||
0x6e617274,0x726f6673,0x0000006d,0x00040006,0x0000001d,0x00000000,0x0070766d,0x00030005,
|
||||
0x0000001f,0x00000000,0x00040005,0x00000023,0x736f5061,0x00000000,0x00040047,0x0000000b,
|
||||
0x0000001e,0x00000000,0x00040047,0x0000000f,0x0000001e,0x00000002,0x00040047,0x00000015,
|
||||
0x0000001e,0x00000001,0x00050048,0x00000019,0x00000000,0x0000000b,0x00000000,0x00030047,
|
||||
0x00000019,0x00000002,0x00040048,0x0000001d,0x00000000,0x00000005,0x00050048,0x0000001d,
|
||||
0x00000000,0x00000023,0x00000000,0x00050048,0x0000001d,0x00000000,0x00000007,0x00000010,
|
||||
0x00030047,0x0000001d,0x00000002,0x00040047,0x0000001f,0x00000022,0x00000000,0x00040047,
|
||||
0x0000001f,0x00000021,0x00000000,0x00040047,0x00000023,0x0000001e,0x00000000,0x00020013,
|
||||
0x00000002,0x00030021,0x00000003,0x00000002,0x00030016,0x00000006,0x00000020,0x00040017,
|
||||
0x00000007,0x00000006,0x00000004,0x00040017,0x00000008,0x00000006,0x00000002,0x0004001e,
|
||||
0x00000009,0x00000007,0x00000008,0x00040020,0x0000000a,0x00000003,0x00000009,0x0004003b,
|
||||
0x0000000a,0x0000000b,0x00000003,0x00040015,0x0000000c,0x00000020,0x00000001,0x0004002b,
|
||||
0x0000000c,0x0000000d,0x00000000,0x00040020,0x0000000e,0x00000001,0x00000007,0x0004003b,
|
||||
0x0000000e,0x0000000f,0x00000001,0x00040020,0x00000011,0x00000003,0x00000007,0x0004002b,
|
||||
0x0000000c,0x00000013,0x00000001,0x00040020,0x00000014,0x00000001,0x00000008,0x0004003b,
|
||||
0x00000014,0x00000015,0x00000001,0x00040020,0x00000017,0x00000003,0x00000008,0x0003001e,
|
||||
0x00000019,0x00000007,0x00040020,0x0000001a,0x00000003,0x00000019,0x0004003b,0x0000001a,
|
||||
0x0000001b,0x00000003,0x00040018,0x0000001c,0x00000007,0x00000004,0x0003001e,0x0000001d,
|
||||
0x0000001c,0x00040020,0x0000001e,0x00000002,0x0000001d,0x0004003b,0x0000001e,0x0000001f,
|
||||
0x00000002,0x00040020,0x00000020,0x00000002,0x0000001c,0x0004003b,0x00000014,0x00000023,
|
||||
0x00000001,0x0004002b,0x00000006,0x00000025,0x00000000,0x0004002b,0x00000006,0x00000026,
|
||||
0x3f800000,0x00050036,0x00000002,0x00000004,0x00000000,0x00000003,0x000200f8,0x00000005,
|
||||
0x0004003d,0x00000007,0x00000010,0x0000000f,0x00050041,0x00000011,0x00000012,0x0000000b,
|
||||
0x0000000d,0x0003003e,0x00000012,0x00000010,0x0004003d,0x00000008,0x00000016,0x00000015,
|
||||
0x00050041,0x00000017,0x00000018,0x0000000b,0x00000013,0x0003003e,0x00000018,0x00000016,
|
||||
0x00050041,0x00000020,0x00000021,0x0000001f,0x0000000d,0x0004003d,0x0000001c,0x00000022,
|
||||
0x00000021,0x0004003d,0x00000008,0x00000024,0x00000023,0x00050051,0x00000006,0x00000027,
|
||||
0x00000024,0x00000000,0x00050051,0x00000006,0x00000028,0x00000024,0x00000001,0x00070050,
|
||||
0x00000007,0x00000029,0x00000027,0x00000028,0x00000025,0x00000026,0x00050091,0x00000007,
|
||||
0x0000002a,0x00000022,0x00000029,0x00050041,0x00000011,0x0000002b,0x0000001b,0x0000000d,
|
||||
0x0003003e,0x0000002b,0x0000002a,0x000100fd,0x00010038
|
||||
};
|
||||
|
||||
// glsl_shader.frag, compiled with:
|
||||
// # glslangValidator -V -x -o glsl_shader.frag.u32 glsl_shader.frag
|
||||
/*
|
||||
#version 450 core
|
||||
layout(location = 0) out vec4 fColor;
|
||||
layout(set=0, binding=1) uniform sampler s;
|
||||
layout(set=1, binding=0) uniform texture2D t;
|
||||
layout(location = 0) in struct { vec4 Color; vec2 UV; } In;
|
||||
void main()
|
||||
{
|
||||
fColor = In.Color * texture(sampler2D(t, s), In.UV.st);
|
||||
}
|
||||
*/
|
||||
static uint32_t __glsl_shader_frag_spv[] =
|
||||
{
|
||||
0x07230203,0x00010000,0x00080007,0x00000023,0x00000000,0x00020011,0x00000001,0x0006000b,
|
||||
0x00000001,0x4c534c47,0x6474732e,0x3035342e,0x00000000,0x0003000e,0x00000000,0x00000001,
|
||||
0x0007000f,0x00000004,0x00000004,0x6e69616d,0x00000000,0x00000009,0x0000000d,0x00030010,
|
||||
0x00000004,0x00000007,0x00030003,0x00000002,0x000001c2,0x00040005,0x00000004,0x6e69616d,
|
||||
0x00000000,0x00040005,0x00000009,0x6c6f4366,0x0000726f,0x00030005,0x0000000b,0x00000000,
|
||||
0x00050006,0x0000000b,0x00000000,0x6f6c6f43,0x00000072,0x00040006,0x0000000b,0x00000001,
|
||||
0x00005655,0x00030005,0x0000000d,0x00006e49,0x00030005,0x00000015,0x00000074,0x00030005,
|
||||
0x00000019,0x00000073,0x00040047,0x00000009,0x0000001e,0x00000000,0x00040047,0x0000000d,
|
||||
0x0000001e,0x00000000,0x00040047,0x00000015,0x00000022,0x00000001,0x00040047,0x00000015,
|
||||
0x00000021,0x00000000,0x00040047,0x00000019,0x00000022,0x00000000,0x00040047,0x00000019,
|
||||
0x00000021,0x00000001,0x00020013,0x00000002,0x00030021,0x00000003,0x00000002,0x00030016,
|
||||
0x00000006,0x00000020,0x00040017,0x00000007,0x00000006,0x00000004,0x00040020,0x00000008,
|
||||
0x00000003,0x00000007,0x0004003b,0x00000008,0x00000009,0x00000003,0x00040017,0x0000000a,
|
||||
0x00000006,0x00000002,0x0004001e,0x0000000b,0x00000007,0x0000000a,0x00040020,0x0000000c,
|
||||
0x00000001,0x0000000b,0x0004003b,0x0000000c,0x0000000d,0x00000001,0x00040015,0x0000000e,
|
||||
0x00000020,0x00000001,0x0004002b,0x0000000e,0x0000000f,0x00000000,0x00040020,0x00000010,
|
||||
0x00000001,0x00000007,0x00090019,0x00000013,0x00000006,0x00000001,0x00000000,0x00000000,
|
||||
0x00000000,0x00000001,0x00000000,0x00040020,0x00000014,0x00000000,0x00000013,0x0004003b,
|
||||
0x00000014,0x00000015,0x00000000,0x0002001a,0x00000017,0x00040020,0x00000018,0x00000000,
|
||||
0x00000017,0x0004003b,0x00000018,0x00000019,0x00000000,0x0003001b,0x0000001b,0x00000013,
|
||||
0x0004002b,0x0000000e,0x0000001d,0x00000001,0x00040020,0x0000001e,0x00000001,0x0000000a,
|
||||
0x00050036,0x00000002,0x00000004,0x00000000,0x00000003,0x000200f8,0x00000005,0x00050041,
|
||||
0x00000010,0x00000011,0x0000000d,0x0000000f,0x0004003d,0x00000007,0x00000012,0x00000011,
|
||||
0x0004003d,0x00000013,0x00000016,0x00000015,0x0004003d,0x00000017,0x0000001a,0x00000019,
|
||||
0x00050056,0x0000001b,0x0000001c,0x00000016,0x0000001a,0x00050041,0x0000001e,0x0000001f,
|
||||
0x0000000d,0x0000001d,0x0004003d,0x0000000a,0x00000020,0x0000001f,0x00050057,0x00000007,
|
||||
0x00000021,0x0000001c,0x00000020,0x00050085,0x00000007,0x00000022,0x00000012,0x00000021,
|
||||
0x0003003e,0x00000009,0x00000022,0x000100fd,0x00010038
|
||||
};
|
||||
|
||||
static void SafeRelease(ImDrawIdx*& res)
|
||||
{
|
||||
if (res)
|
||||
delete[] res;
|
||||
res = NULL;
|
||||
}
|
||||
static void SafeRelease(ImDrawVert*& res)
|
||||
{
|
||||
if (res)
|
||||
delete[] res;
|
||||
res = NULL;
|
||||
}
|
||||
static void SafeRelease(WGPUBindGroupLayout& res)
|
||||
{
|
||||
if (res)
|
||||
wgpuBindGroupLayoutRelease(res);
|
||||
res = NULL;
|
||||
}
|
||||
static void SafeRelease(WGPUBindGroup& res)
|
||||
{
|
||||
if (res)
|
||||
wgpuBindGroupRelease(res);
|
||||
res = NULL;
|
||||
}
|
||||
static void SafeRelease(WGPUBuffer& res)
|
||||
{
|
||||
if (res)
|
||||
wgpuBufferRelease(res);
|
||||
res = NULL;
|
||||
}
|
||||
static void SafeRelease(WGPURenderPipeline& res)
|
||||
{
|
||||
if (res)
|
||||
wgpuRenderPipelineRelease(res);
|
||||
res = NULL;
|
||||
}
|
||||
static void SafeRelease(WGPUSampler& res)
|
||||
{
|
||||
if (res)
|
||||
wgpuSamplerRelease(res);
|
||||
res = NULL;
|
||||
}
|
||||
static void SafeRelease(WGPUShaderModule& res)
|
||||
{
|
||||
if (res)
|
||||
wgpuShaderModuleRelease(res);
|
||||
res = NULL;
|
||||
}
|
||||
static void SafeRelease(WGPUTextureView& res)
|
||||
{
|
||||
if (res)
|
||||
wgpuTextureViewRelease(res);
|
||||
res = NULL;
|
||||
}
|
||||
static void SafeRelease(WGPUTexture& res)
|
||||
{
|
||||
if (res)
|
||||
wgpuTextureRelease(res);
|
||||
res = NULL;
|
||||
}
|
||||
|
||||
static void SafeRelease(RenderResources& res)
|
||||
{
|
||||
SafeRelease(res.FontTexture);
|
||||
SafeRelease(res.FontTextureView);
|
||||
SafeRelease(res.Sampler);
|
||||
SafeRelease(res.Uniforms);
|
||||
SafeRelease(res.CommonBindGroup);
|
||||
SafeRelease(res.ImageBindGroupLayout);
|
||||
SafeRelease(res.ImageBindGroup);
|
||||
};
|
||||
|
||||
static void SafeRelease(FrameResources& res)
|
||||
{
|
||||
SafeRelease(res.IndexBuffer);
|
||||
SafeRelease(res.VertexBuffer);
|
||||
SafeRelease(res.IndexBufferHost);
|
||||
SafeRelease(res.VertexBufferHost);
|
||||
}
|
||||
|
||||
static WGPUProgrammableStageDescriptor ImGui_ImplWGPU_CreateShaderModule(uint32_t* binary_data, uint32_t binary_data_size)
|
||||
{
|
||||
WGPUShaderModuleSPIRVDescriptor spirv_desc = {};
|
||||
spirv_desc.chain.sType = WGPUSType_ShaderModuleSPIRVDescriptor;
|
||||
spirv_desc.codeSize = binary_data_size;
|
||||
spirv_desc.code = binary_data;
|
||||
|
||||
WGPUShaderModuleDescriptor desc;
|
||||
desc.nextInChain = reinterpret_cast<WGPUChainedStruct*>(&spirv_desc);
|
||||
|
||||
WGPUProgrammableStageDescriptor stage_desc = {};
|
||||
stage_desc.module = wgpuDeviceCreateShaderModule(g_wgpuDevice, &desc);
|
||||
stage_desc.entryPoint = "main";
|
||||
return stage_desc;
|
||||
}
|
||||
|
||||
static WGPUBindGroup ImGui_ImplWGPU_CreateImageBindGroup(WGPUBindGroupLayout layout, WGPUTextureView texture)
|
||||
{
|
||||
WGPUBindGroupEntry image_bg_entries[] = { { 0, 0, 0, 0, 0, texture } };
|
||||
|
||||
WGPUBindGroupDescriptor image_bg_descriptor = {};
|
||||
image_bg_descriptor.layout = layout;
|
||||
image_bg_descriptor.entryCount = sizeof(image_bg_entries) / sizeof(WGPUBindGroupEntry);
|
||||
image_bg_descriptor.entries = image_bg_entries;
|
||||
return wgpuDeviceCreateBindGroup(g_wgpuDevice, &image_bg_descriptor);
|
||||
}
|
||||
|
||||
static void ImGui_ImplWGPU_SetupRenderState(ImDrawData* draw_data, WGPURenderPassEncoder ctx, FrameResources* fr)
|
||||
{
|
||||
// Setup orthographic projection matrix into our constant buffer
|
||||
// Our visible imgui space lies from draw_data->DisplayPos (top left) to draw_data->DisplayPos+data_data->DisplaySize (bottom right).
|
||||
{
|
||||
float L = draw_data->DisplayPos.x;
|
||||
float R = draw_data->DisplayPos.x + draw_data->DisplaySize.x;
|
||||
float T = draw_data->DisplayPos.y;
|
||||
float B = draw_data->DisplayPos.y + draw_data->DisplaySize.y;
|
||||
float mvp[4][4] =
|
||||
{
|
||||
{ 2.0f/(R-L), 0.0f, 0.0f, 0.0f },
|
||||
{ 0.0f, 2.0f/(T-B), 0.0f, 0.0f },
|
||||
{ 0.0f, 0.0f, 0.5f, 0.0f },
|
||||
{ (R+L)/(L-R), (T+B)/(B-T), 0.5f, 1.0f },
|
||||
};
|
||||
wgpuQueueWriteBuffer(wgpuDeviceGetDefaultQueue(g_wgpuDevice), g_resources.Uniforms, 0, mvp, sizeof(mvp));
|
||||
}
|
||||
|
||||
// Setup viewport
|
||||
wgpuRenderPassEncoderSetViewport(ctx, 0, 0, draw_data->DisplaySize.x, draw_data->DisplaySize.y, 0, 1);
|
||||
|
||||
// Bind shader and vertex buffers
|
||||
unsigned int stride = sizeof(ImDrawVert);
|
||||
unsigned int offset = 0;
|
||||
wgpuRenderPassEncoderSetVertexBuffer(ctx, 0, fr->VertexBuffer, offset, fr->VertexBufferSize * stride);
|
||||
wgpuRenderPassEncoderSetIndexBuffer(ctx, fr->IndexBuffer, sizeof(ImDrawIdx) == 2 ? WGPUIndexFormat_Uint16 : WGPUIndexFormat_Uint32, 0, fr->IndexBufferSize * sizeof(ImDrawIdx));
|
||||
wgpuRenderPassEncoderSetPipeline(ctx, g_pipelineState);
|
||||
wgpuRenderPassEncoderSetBindGroup(ctx, 0, g_resources.CommonBindGroup, 0, NULL);
|
||||
|
||||
// Setup blend factor
|
||||
WGPUColor blend_color = { 0.f, 0.f, 0.f, 0.f };
|
||||
wgpuRenderPassEncoderSetBlendColor(ctx, &blend_color);
|
||||
}
|
||||
|
||||
// Render function
|
||||
// (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop)
|
||||
void ImGui_ImplWGPU_RenderDrawData(ImDrawData* draw_data, WGPURenderPassEncoder pass_encoder)
|
||||
{
|
||||
// Avoid rendering when minimized
|
||||
if (draw_data->DisplaySize.x <= 0.0f || draw_data->DisplaySize.y <= 0.0f)
|
||||
return;
|
||||
|
||||
// FIXME: Assuming that this only gets called once per frame!
|
||||
// If not, we can't just re-allocate the IB or VB, we'll have to do a proper allocator.
|
||||
g_frameIndex = g_frameIndex + 1;
|
||||
FrameResources* fr = &g_pFrameResources[g_frameIndex % g_numFramesInFlight];
|
||||
|
||||
// Create and grow vertex/index buffers if needed
|
||||
if (fr->VertexBuffer == NULL || fr->VertexBufferSize < draw_data->TotalVtxCount)
|
||||
{
|
||||
SafeRelease(fr->VertexBuffer);
|
||||
SafeRelease(fr->VertexBufferHost);
|
||||
fr->VertexBufferSize = draw_data->TotalVtxCount + 5000;
|
||||
|
||||
WGPUBufferDescriptor vb_desc =
|
||||
{
|
||||
NULL,
|
||||
"Dear ImGui Vertex buffer",
|
||||
WGPUBufferUsage_CopyDst | WGPUBufferUsage_Vertex,
|
||||
fr->VertexBufferSize * sizeof(ImDrawVert),
|
||||
false
|
||||
};
|
||||
fr->VertexBuffer = wgpuDeviceCreateBuffer(g_wgpuDevice, &vb_desc);
|
||||
if (!fr->VertexBuffer)
|
||||
return;
|
||||
|
||||
fr->VertexBufferHost = new ImDrawVert[fr->VertexBufferSize];
|
||||
}
|
||||
if (fr->IndexBuffer == NULL || fr->IndexBufferSize < draw_data->TotalIdxCount)
|
||||
{
|
||||
SafeRelease(fr->IndexBuffer);
|
||||
SafeRelease(fr->IndexBufferHost);
|
||||
fr->IndexBufferSize = draw_data->TotalIdxCount + 10000;
|
||||
|
||||
WGPUBufferDescriptor ib_desc =
|
||||
{
|
||||
NULL,
|
||||
"Dear ImGui Index buffer",
|
||||
WGPUBufferUsage_CopyDst | WGPUBufferUsage_Index,
|
||||
fr->IndexBufferSize * sizeof(ImDrawIdx),
|
||||
false
|
||||
};
|
||||
fr->IndexBuffer = wgpuDeviceCreateBuffer(g_wgpuDevice, &ib_desc);
|
||||
if (!fr->IndexBuffer)
|
||||
return;
|
||||
|
||||
fr->IndexBufferHost = new ImDrawIdx[fr->IndexBufferSize];
|
||||
}
|
||||
|
||||
// Upload vertex/index data into a single contiguous GPU buffer
|
||||
ImDrawVert* vtx_dst = (ImDrawVert*)fr->VertexBufferHost;
|
||||
ImDrawIdx* idx_dst = (ImDrawIdx*)fr->IndexBufferHost;
|
||||
for (int n = 0; n < draw_data->CmdListsCount; n++)
|
||||
{
|
||||
const ImDrawList* cmd_list = draw_data->CmdLists[n];
|
||||
memcpy(vtx_dst, cmd_list->VtxBuffer.Data, cmd_list->VtxBuffer.Size * sizeof(ImDrawVert));
|
||||
memcpy(idx_dst, cmd_list->IdxBuffer.Data, cmd_list->IdxBuffer.Size * sizeof(ImDrawIdx));
|
||||
vtx_dst += cmd_list->VtxBuffer.Size;
|
||||
idx_dst += cmd_list->IdxBuffer.Size;
|
||||
}
|
||||
int64_t vb_write_size = ((char*)vtx_dst - (char*)fr->VertexBufferHost + 3) & ~3;
|
||||
int64_t ib_write_size = ((char*)idx_dst - (char*)fr->IndexBufferHost + 3) & ~3;
|
||||
wgpuQueueWriteBuffer(wgpuDeviceGetDefaultQueue(g_wgpuDevice), fr->VertexBuffer, 0, fr->VertexBufferHost, vb_write_size);
|
||||
wgpuQueueWriteBuffer(wgpuDeviceGetDefaultQueue(g_wgpuDevice), fr->IndexBuffer, 0, fr->IndexBufferHost, ib_write_size);
|
||||
|
||||
// Setup desired render state
|
||||
ImGui_ImplWGPU_SetupRenderState(draw_data, pass_encoder, fr);
|
||||
|
||||
// Render command lists
|
||||
// (Because we merged all buffers into a single one, we maintain our own offset into them)
|
||||
int global_vtx_offset = 0;
|
||||
int global_idx_offset = 0;
|
||||
ImVec2 clip_off = draw_data->DisplayPos;
|
||||
for (int n = 0; n < draw_data->CmdListsCount; n++)
|
||||
{
|
||||
const ImDrawList* cmd_list = draw_data->CmdLists[n];
|
||||
for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++)
|
||||
{
|
||||
const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i];
|
||||
if (pcmd->UserCallback != NULL)
|
||||
{
|
||||
// User callback, registered via ImDrawList::AddCallback()
|
||||
// (ImDrawCallback_ResetRenderState is a special callback value used by the user to request the renderer to reset render state.)
|
||||
if (pcmd->UserCallback == ImDrawCallback_ResetRenderState)
|
||||
ImGui_ImplWGPU_SetupRenderState(draw_data, pass_encoder, fr);
|
||||
else
|
||||
pcmd->UserCallback(cmd_list, pcmd);
|
||||
}
|
||||
else
|
||||
{
|
||||
// Bind custom texture
|
||||
auto bind_group = g_resources.ImageBindGroups.GetVoidPtr(ImHashData(&pcmd->TextureId, sizeof(ImTextureID)));
|
||||
if (bind_group)
|
||||
{
|
||||
wgpuRenderPassEncoderSetBindGroup(pass_encoder, 1, (WGPUBindGroup)bind_group, 0, NULL);
|
||||
}
|
||||
else
|
||||
{
|
||||
WGPUBindGroup image_bind_group = ImGui_ImplWGPU_CreateImageBindGroup(g_resources.ImageBindGroupLayout, (WGPUTextureView)pcmd->TextureId);
|
||||
g_resources.ImageBindGroups.SetVoidPtr(ImHashData(&pcmd->TextureId, sizeof(ImTextureID)), image_bind_group);
|
||||
wgpuRenderPassEncoderSetBindGroup(pass_encoder, 1, image_bind_group, 0, NULL);
|
||||
}
|
||||
|
||||
// Apply Scissor, Bind texture, Draw
|
||||
uint32_t clip_rect[4];
|
||||
clip_rect[0] = static_cast<uint32_t>(pcmd->ClipRect.x - clip_off.x);
|
||||
clip_rect[1] = static_cast<uint32_t>(pcmd->ClipRect.y - clip_off.y);
|
||||
clip_rect[2] = static_cast<uint32_t>(pcmd->ClipRect.z - clip_off.x);
|
||||
clip_rect[3] = static_cast<uint32_t>(pcmd->ClipRect.w - clip_off.y);
|
||||
wgpuRenderPassEncoderSetScissorRect(pass_encoder, clip_rect[0], clip_rect[1], clip_rect[2] - clip_rect[0], clip_rect[3] - clip_rect[1]);
|
||||
wgpuRenderPassEncoderDrawIndexed(pass_encoder, pcmd->ElemCount, 1, pcmd->IdxOffset + global_idx_offset, pcmd->VtxOffset + global_vtx_offset, 0);
|
||||
}
|
||||
}
|
||||
global_idx_offset += cmd_list->IdxBuffer.Size;
|
||||
global_vtx_offset += cmd_list->VtxBuffer.Size;
|
||||
}
|
||||
}
|
||||
|
||||
static WGPUBuffer ImGui_ImplWGPU_CreateBufferFromData(const WGPUDevice& device, const void* data, uint64_t size, WGPUBufferUsage usage)
|
||||
{
|
||||
WGPUBufferDescriptor descriptor = {};
|
||||
descriptor.size = size;
|
||||
descriptor.usage = usage | WGPUBufferUsage_CopyDst;
|
||||
WGPUBuffer buffer = wgpuDeviceCreateBuffer(device, &descriptor);
|
||||
|
||||
WGPUQueue queue = wgpuDeviceGetDefaultQueue(g_wgpuDevice);
|
||||
wgpuQueueWriteBuffer(queue, buffer, 0, data, size);
|
||||
return buffer;
|
||||
}
|
||||
|
||||
static void ImGui_ImplWGPU_CreateFontsTexture()
|
||||
{
|
||||
// Build texture atlas
|
||||
ImGuiIO& io = ImGui::GetIO();
|
||||
unsigned char* pixels;
|
||||
int width, height, size_pp;
|
||||
io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height, &size_pp);
|
||||
|
||||
// Upload texture to graphics system
|
||||
{
|
||||
WGPUTextureDescriptor tex_desc = {};
|
||||
tex_desc.label = "Dear ImGui Font Texture";
|
||||
tex_desc.dimension = WGPUTextureDimension_2D;
|
||||
tex_desc.size.width = width;
|
||||
tex_desc.size.height = height;
|
||||
tex_desc.size.depth = 1;
|
||||
tex_desc.sampleCount = 1;
|
||||
tex_desc.format = WGPUTextureFormat_RGBA8Unorm;
|
||||
tex_desc.mipLevelCount = 1;
|
||||
tex_desc.usage = WGPUTextureUsage_CopyDst | WGPUTextureUsage_Sampled;
|
||||
g_resources.FontTexture = wgpuDeviceCreateTexture(g_wgpuDevice, &tex_desc);
|
||||
|
||||
WGPUTextureViewDescriptor tex_view_desc = {};
|
||||
tex_view_desc.format = WGPUTextureFormat_RGBA8Unorm;
|
||||
tex_view_desc.dimension = WGPUTextureViewDimension_2D;
|
||||
tex_view_desc.baseMipLevel = 0;
|
||||
tex_view_desc.mipLevelCount = 1;
|
||||
tex_view_desc.baseArrayLayer = 0;
|
||||
tex_view_desc.arrayLayerCount = 1;
|
||||
tex_view_desc.aspect = WGPUTextureAspect_All;
|
||||
g_resources.FontTextureView = wgpuTextureCreateView(g_resources.FontTexture, &tex_view_desc);
|
||||
}
|
||||
|
||||
// Upload texture data
|
||||
{
|
||||
WGPUBuffer staging_buffer = ImGui_ImplWGPU_CreateBufferFromData(g_wgpuDevice, pixels, (uint32_t)(width * size_pp * height), WGPUBufferUsage_CopySrc);
|
||||
|
||||
WGPUBufferCopyView bufferCopyView = {};
|
||||
bufferCopyView.buffer = staging_buffer;
|
||||
bufferCopyView.layout.offset = 0;
|
||||
bufferCopyView.layout.bytesPerRow = width * size_pp;
|
||||
bufferCopyView.layout.rowsPerImage = height;
|
||||
|
||||
WGPUTextureCopyView textureCopyView = {};
|
||||
textureCopyView.texture = g_resources.FontTexture;
|
||||
textureCopyView.mipLevel = 0;
|
||||
textureCopyView.origin = { 0, 0, 0 };
|
||||
#ifndef __EMSCRIPTEN__
|
||||
textureCopyView.aspect = WGPUTextureAspect_All;
|
||||
#endif
|
||||
|
||||
WGPUExtent3D copySize = { (uint32_t)width, (uint32_t)height, 1 };
|
||||
|
||||
WGPUCommandEncoderDescriptor enc_desc = {};
|
||||
WGPUCommandEncoder encoder = wgpuDeviceCreateCommandEncoder(g_wgpuDevice, &enc_desc);
|
||||
wgpuCommandEncoderCopyBufferToTexture(encoder, &bufferCopyView, &textureCopyView, ©Size);
|
||||
WGPUCommandBufferDescriptor cmd_buf_desc = {};
|
||||
WGPUCommandBuffer copy = wgpuCommandEncoderFinish(encoder, &cmd_buf_desc);
|
||||
WGPUQueue queue = wgpuDeviceGetDefaultQueue(g_wgpuDevice);
|
||||
wgpuQueueSubmit(queue, 1, ©);
|
||||
|
||||
wgpuCommandEncoderRelease(encoder);
|
||||
wgpuBufferRelease(staging_buffer);
|
||||
}
|
||||
|
||||
// Create the associated sampler
|
||||
{
|
||||
WGPUSamplerDescriptor sampler_desc = {};
|
||||
sampler_desc.minFilter = WGPUFilterMode_Linear;
|
||||
sampler_desc.magFilter = WGPUFilterMode_Linear;
|
||||
sampler_desc.mipmapFilter = WGPUFilterMode_Linear;
|
||||
sampler_desc.addressModeU = WGPUAddressMode_Repeat;
|
||||
sampler_desc.addressModeV = WGPUAddressMode_Repeat;
|
||||
sampler_desc.addressModeW = WGPUAddressMode_Repeat;
|
||||
g_resources.Sampler = wgpuDeviceCreateSampler(g_wgpuDevice, &sampler_desc);
|
||||
}
|
||||
|
||||
// Store our identifier
|
||||
static_assert(sizeof(ImTextureID) >= sizeof(g_resources.FontTexture), "Can't pack descriptor handle into TexID, 32-bit not supported yet.");
|
||||
io.Fonts->TexID = (ImTextureID)g_resources.FontTextureView;
|
||||
}
|
||||
|
||||
static void ImGui_ImplWGPU_CreateUniformBuffer()
|
||||
{
|
||||
WGPUBufferDescriptor ub_desc =
|
||||
{
|
||||
NULL,
|
||||
"Dear ImGui Uniform buffer",
|
||||
WGPUBufferUsage_CopyDst | WGPUBufferUsage_Uniform,
|
||||
sizeof(Uniforms),
|
||||
false
|
||||
};
|
||||
g_resources.Uniforms = wgpuDeviceCreateBuffer(g_wgpuDevice, &ub_desc);
|
||||
}
|
||||
|
||||
bool ImGui_ImplWGPU_CreateDeviceObjects()
|
||||
{
|
||||
if (!g_wgpuDevice)
|
||||
return false;
|
||||
if (g_pipelineState)
|
||||
ImGui_ImplWGPU_InvalidateDeviceObjects();
|
||||
|
||||
// Create render pipeline
|
||||
WGPURenderPipelineDescriptor graphics_pipeline_desc = {};
|
||||
graphics_pipeline_desc.primitiveTopology = WGPUPrimitiveTopology_TriangleList;
|
||||
graphics_pipeline_desc.sampleCount = 1;
|
||||
graphics_pipeline_desc.sampleMask = UINT_MAX;
|
||||
|
||||
WGPUBindGroupLayoutEntry common_bg_layout_entries[2] = {};
|
||||
common_bg_layout_entries[0].binding = 0;
|
||||
common_bg_layout_entries[0].visibility = WGPUShaderStage_Vertex;
|
||||
common_bg_layout_entries[0].type = WGPUBindingType_UniformBuffer;
|
||||
common_bg_layout_entries[1].binding = 1;
|
||||
common_bg_layout_entries[1].visibility = WGPUShaderStage_Fragment;
|
||||
common_bg_layout_entries[1].type = WGPUBindingType_Sampler;
|
||||
|
||||
WGPUBindGroupLayoutEntry image_bg_layout_entries[1] = {};
|
||||
image_bg_layout_entries[0].binding = 0;
|
||||
image_bg_layout_entries[0].visibility = WGPUShaderStage_Fragment;
|
||||
image_bg_layout_entries[0].type = WGPUBindingType_SampledTexture;
|
||||
|
||||
WGPUBindGroupLayoutDescriptor common_bg_layout_desc = {};
|
||||
common_bg_layout_desc.entryCount = 2;
|
||||
common_bg_layout_desc.entries = common_bg_layout_entries;
|
||||
|
||||
WGPUBindGroupLayoutDescriptor image_bg_layout_desc = {};
|
||||
image_bg_layout_desc.entryCount = 1;
|
||||
image_bg_layout_desc.entries = image_bg_layout_entries;
|
||||
|
||||
WGPUBindGroupLayout bg_layouts[2];
|
||||
bg_layouts[0] = wgpuDeviceCreateBindGroupLayout(g_wgpuDevice, &common_bg_layout_desc);
|
||||
bg_layouts[1] = wgpuDeviceCreateBindGroupLayout(g_wgpuDevice, &image_bg_layout_desc);
|
||||
|
||||
WGPUPipelineLayoutDescriptor layout_desc = {};
|
||||
layout_desc.bindGroupLayoutCount = 2;
|
||||
layout_desc.bindGroupLayouts = bg_layouts;
|
||||
graphics_pipeline_desc.layout = wgpuDeviceCreatePipelineLayout(g_wgpuDevice, &layout_desc);
|
||||
|
||||
// Create the vertex shader
|
||||
WGPUProgrammableStageDescriptor vertex_shader_desc = ImGui_ImplWGPU_CreateShaderModule(__glsl_shader_vert_spv, sizeof(__glsl_shader_vert_spv) / sizeof(uint32_t));
|
||||
graphics_pipeline_desc.vertexStage = vertex_shader_desc;
|
||||
|
||||
// Vertex input configuration
|
||||
WGPUVertexAttributeDescriptor attribute_binding_desc[] =
|
||||
{
|
||||
{ WGPUVertexFormat_Float2, (uint64_t)IM_OFFSETOF(ImDrawVert, pos), 0 },
|
||||
{ WGPUVertexFormat_Float2, (uint64_t)IM_OFFSETOF(ImDrawVert, uv), 1 },
|
||||
{ WGPUVertexFormat_UChar4Norm, (uint64_t)IM_OFFSETOF(ImDrawVert, col), 2 },
|
||||
};
|
||||
|
||||
WGPUVertexBufferLayoutDescriptor buffer_binding_desc;
|
||||
buffer_binding_desc.arrayStride = sizeof(ImDrawVert);
|
||||
buffer_binding_desc.stepMode = WGPUInputStepMode_Vertex;
|
||||
buffer_binding_desc.attributeCount = 3;
|
||||
buffer_binding_desc.attributes = attribute_binding_desc;
|
||||
|
||||
WGPUVertexStateDescriptor vertex_state_desc = {};
|
||||
vertex_state_desc.indexFormat = WGPUIndexFormat_Undefined;
|
||||
vertex_state_desc.vertexBufferCount = 1;
|
||||
vertex_state_desc.vertexBuffers = &buffer_binding_desc;
|
||||
|
||||
graphics_pipeline_desc.vertexState = &vertex_state_desc;
|
||||
|
||||
// Create the pixel shader
|
||||
WGPUProgrammableStageDescriptor pixel_shader_desc = ImGui_ImplWGPU_CreateShaderModule(__glsl_shader_frag_spv, sizeof(__glsl_shader_frag_spv) / sizeof(uint32_t));
|
||||
graphics_pipeline_desc.fragmentStage = &pixel_shader_desc;
|
||||
|
||||
// Create the blending setup
|
||||
WGPUColorStateDescriptor color_state = {};
|
||||
{
|
||||
color_state.format = g_renderTargetFormat;
|
||||
color_state.alphaBlend.operation = WGPUBlendOperation_Add;
|
||||
color_state.alphaBlend.srcFactor = WGPUBlendFactor_OneMinusSrcAlpha;
|
||||
color_state.alphaBlend.dstFactor = WGPUBlendFactor_Zero;
|
||||
color_state.colorBlend.operation = WGPUBlendOperation_Add;
|
||||
color_state.colorBlend.srcFactor = WGPUBlendFactor_SrcAlpha;
|
||||
color_state.colorBlend.dstFactor = WGPUBlendFactor_OneMinusSrcAlpha;
|
||||
color_state.writeMask = WGPUColorWriteMask_All;
|
||||
|
||||
graphics_pipeline_desc.colorStateCount = 1;
|
||||
graphics_pipeline_desc.colorStates = &color_state;
|
||||
graphics_pipeline_desc.alphaToCoverageEnabled = false;
|
||||
}
|
||||
|
||||
// Create the rasterizer state
|
||||
WGPURasterizationStateDescriptor raster_desc = {};
|
||||
{
|
||||
raster_desc.cullMode = WGPUCullMode_None;
|
||||
raster_desc.frontFace = WGPUFrontFace_CW;
|
||||
raster_desc.depthBias = 0;
|
||||
raster_desc.depthBiasClamp = 0;
|
||||
raster_desc.depthBiasSlopeScale = 0;
|
||||
graphics_pipeline_desc.rasterizationState = &raster_desc;
|
||||
}
|
||||
|
||||
// Create depth-stencil State
|
||||
WGPUDepthStencilStateDescriptor depth_desc = {};
|
||||
{
|
||||
// Configure disabled state
|
||||
depth_desc.format = WGPUTextureFormat_Undefined;
|
||||
depth_desc.depthWriteEnabled = true;
|
||||
depth_desc.depthCompare = WGPUCompareFunction_Always;
|
||||
depth_desc.stencilReadMask = 0;
|
||||
depth_desc.stencilWriteMask = 0;
|
||||
depth_desc.stencilBack.compare = WGPUCompareFunction_Always;
|
||||
depth_desc.stencilBack.failOp = WGPUStencilOperation_Keep;
|
||||
depth_desc.stencilBack.depthFailOp = WGPUStencilOperation_Keep;
|
||||
depth_desc.stencilBack.passOp = WGPUStencilOperation_Keep;
|
||||
depth_desc.stencilFront.compare = WGPUCompareFunction_Always;
|
||||
depth_desc.stencilFront.failOp = WGPUStencilOperation_Keep;
|
||||
depth_desc.stencilFront.depthFailOp = WGPUStencilOperation_Keep;
|
||||
depth_desc.stencilFront.passOp = WGPUStencilOperation_Keep;
|
||||
|
||||
// No depth buffer corresponds to no configuration
|
||||
graphics_pipeline_desc.depthStencilState = NULL;
|
||||
}
|
||||
|
||||
g_pipelineState = wgpuDeviceCreateRenderPipeline(g_wgpuDevice, &graphics_pipeline_desc);
|
||||
|
||||
ImGui_ImplWGPU_CreateFontsTexture();
|
||||
ImGui_ImplWGPU_CreateUniformBuffer();
|
||||
|
||||
// Create resource bind group
|
||||
WGPUBindGroupEntry common_bg_entries[] =
|
||||
{
|
||||
{ 0, g_resources.Uniforms, 0, sizeof(Uniforms), 0, 0 },
|
||||
{ 1, 0, 0, 0, g_resources.Sampler, 0 },
|
||||
};
|
||||
|
||||
WGPUBindGroupDescriptor common_bg_descriptor = {};
|
||||
common_bg_descriptor.layout = bg_layouts[0];
|
||||
common_bg_descriptor.entryCount = sizeof(common_bg_entries) / sizeof(WGPUBindGroupEntry);
|
||||
common_bg_descriptor.entries = common_bg_entries;
|
||||
g_resources.CommonBindGroup = wgpuDeviceCreateBindGroup(g_wgpuDevice, &common_bg_descriptor);
|
||||
g_resources.ImageBindGroupLayout = bg_layouts[1];
|
||||
|
||||
WGPUBindGroup image_bind_group = ImGui_ImplWGPU_CreateImageBindGroup(bg_layouts[1], g_resources.FontTextureView);
|
||||
g_resources.ImageBindGroup = image_bind_group;
|
||||
g_resources.ImageBindGroups.SetVoidPtr(ImHashData(&g_resources.FontTextureView, sizeof(ImTextureID)), image_bind_group);
|
||||
|
||||
SafeRelease(vertex_shader_desc.module);
|
||||
SafeRelease(pixel_shader_desc.module);
|
||||
SafeRelease(bg_layouts[0]);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
void ImGui_ImplWGPU_InvalidateDeviceObjects()
|
||||
{
|
||||
if (!g_wgpuDevice)
|
||||
return;
|
||||
|
||||
SafeRelease(g_pipelineState);
|
||||
SafeRelease(g_resources);
|
||||
|
||||
ImGuiIO& io = ImGui::GetIO();
|
||||
io.Fonts->TexID = NULL; // We copied g_pFontTextureView to io.Fonts->TexID so let's clear that as well.
|
||||
|
||||
for (unsigned int i = 0; i < g_numFramesInFlight; i++)
|
||||
SafeRelease(g_pFrameResources[i]);
|
||||
}
|
||||
|
||||
bool ImGui_ImplWGPU_Init(WGPUDevice device, int num_frames_in_flight, WGPUTextureFormat rt_format)
|
||||
{
|
||||
// Setup back-end capabilities flags
|
||||
ImGuiIO& io = ImGui::GetIO();
|
||||
io.BackendRendererName = "imgui_impl_webgpu";
|
||||
io.BackendFlags |= ImGuiBackendFlags_RendererHasVtxOffset; // We can honor the ImDrawCmd::VtxOffset field, allowing for large meshes.
|
||||
|
||||
g_wgpuDevice = device;
|
||||
g_renderTargetFormat = rt_format;
|
||||
g_pFrameResources = new FrameResources[num_frames_in_flight];
|
||||
g_numFramesInFlight = num_frames_in_flight;
|
||||
g_frameIndex = UINT_MAX;
|
||||
|
||||
g_resources.FontTexture = NULL;
|
||||
g_resources.FontTextureView = NULL;
|
||||
g_resources.Sampler = NULL;
|
||||
g_resources.Uniforms = NULL;
|
||||
g_resources.CommonBindGroup = NULL;
|
||||
g_resources.ImageBindGroupLayout = NULL;
|
||||
g_resources.ImageBindGroups.Data.reserve(100);
|
||||
g_resources.ImageBindGroup = NULL;
|
||||
|
||||
// Create buffers with a default size (they will later be grown as needed)
|
||||
for (int i = 0; i < num_frames_in_flight; i++)
|
||||
{
|
||||
FrameResources* fr = &g_pFrameResources[i];
|
||||
fr->IndexBuffer = NULL;
|
||||
fr->VertexBuffer = NULL;
|
||||
fr->IndexBufferHost = NULL;
|
||||
fr->VertexBufferHost = NULL;
|
||||
fr->IndexBufferSize = 10000;
|
||||
fr->VertexBufferSize = 5000;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
void ImGui_ImplWGPU_Shutdown()
|
||||
{
|
||||
ImGui_ImplWGPU_InvalidateDeviceObjects();
|
||||
delete[] g_pFrameResources;
|
||||
g_pFrameResources = NULL;
|
||||
g_wgpuDevice = NULL;
|
||||
g_numFramesInFlight = 0;
|
||||
g_frameIndex = UINT_MAX;
|
||||
}
|
||||
|
||||
void ImGui_ImplWGPU_NewFrame()
|
||||
{
|
||||
if (!g_pipelineState)
|
||||
ImGui_ImplWGPU_CreateDeviceObjects();
|
||||
}
|
||||
24
backends/imgui_impl_wgpu.h
Normal file
24
backends/imgui_impl_wgpu.h
Normal file
@ -0,0 +1,24 @@
|
||||
// dear imgui: Renderer for WebGPU
|
||||
// This needs to be used along with a Platform Binding (e.g. GLFW)
|
||||
// (Please note that WebGPU is currently experimental, will not run on non-beta browsers, and may break.)
|
||||
|
||||
// Implemented features:
|
||||
// [X] Renderer: User texture binding. Use 'WGPUTextureView' as ImTextureID. Read the FAQ about ImTextureID!
|
||||
// [X] Renderer: Support for large meshes (64k+ vertices) with 16-bit indices.
|
||||
|
||||
// You can copy and use unmodified imgui_impl_* files in your project. See examples/ folder for examples of using this.
|
||||
// If you are new to Dear ImGui, read documentation from the docs/ folder + read the top of imgui.cpp.
|
||||
// Read online: https://github.com/ocornut/imgui/tree/master/docs
|
||||
|
||||
#pragma once
|
||||
#include "imgui.h" // IMGUI_IMPL_API
|
||||
#include <webgpu/webgpu.h>
|
||||
|
||||
IMGUI_IMPL_API bool ImGui_ImplWGPU_Init(WGPUDevice device, int num_frames_in_flight, WGPUTextureFormat rt_format);
|
||||
IMGUI_IMPL_API void ImGui_ImplWGPU_Shutdown();
|
||||
IMGUI_IMPL_API void ImGui_ImplWGPU_NewFrame();
|
||||
IMGUI_IMPL_API void ImGui_ImplWGPU_RenderDrawData(ImDrawData* draw_data, WGPURenderPassEncoder pass_encoder);
|
||||
|
||||
// Use if you want to reset your rendering device without losing Dear ImGui state.
|
||||
IMGUI_IMPL_API void ImGui_ImplWGPU_InvalidateDeviceObjects();
|
||||
IMGUI_IMPL_API bool ImGui_ImplWGPU_CreateDeviceObjects();
|
||||
@ -20,20 +20,17 @@
|
||||
#include <windows.h>
|
||||
#include <tchar.h>
|
||||
|
||||
// Using XInput library for gamepad (with recent Windows SDK this may leads to executables which won't run on Windows 7)
|
||||
// Using XInput for gamepad (will load DLL dynamically)
|
||||
#ifndef IMGUI_IMPL_WIN32_DISABLE_GAMEPAD
|
||||
#include <XInput.h>
|
||||
#else
|
||||
#define IMGUI_IMPL_WIN32_DISABLE_LINKING_XINPUT
|
||||
#endif
|
||||
#if defined(_MSC_VER) && !defined(IMGUI_IMPL_WIN32_DISABLE_LINKING_XINPUT)
|
||||
#pragma comment(lib, "xinput")
|
||||
//#pragma comment(lib, "Xinput9_1_0")
|
||||
typedef DWORD (WINAPI *PFN_XInputGetCapabilities)(DWORD, DWORD, XINPUT_CAPABILITIES*);
|
||||
typedef DWORD (WINAPI *PFN_XInputGetState)(DWORD, XINPUT_STATE*);
|
||||
#endif
|
||||
|
||||
// CHANGELOG
|
||||
// (minor and older changes stripped away, please see git history for details)
|
||||
// 2021-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
|
||||
// 2021-01-25: Inputs: Dynamically loading XInput DLL.
|
||||
// 2020-12-04: Misc: Fixed setting of io.DisplaySize to invalid/uninitialized data when after hwnd has been closed.
|
||||
// 2020-03-03: Inputs: Calling AddInputCharacterUTF16() to support surrogate pairs leading to codepoint >= 0x10000 (for more complete CJK inputs)
|
||||
// 2020-02-17: Added ImGui_ImplWin32_EnableDpiAwareness(), ImGui_ImplWin32_GetDpiScaleForHwnd(), ImGui_ImplWin32_GetDpiScaleForMonitor() helper functions.
|
||||
@ -73,6 +70,13 @@ static void ImGui_ImplWin32_InitPlatformInterface();
|
||||
static void ImGui_ImplWin32_ShutdownPlatformInterface();
|
||||
static void ImGui_ImplWin32_UpdateMonitors();
|
||||
|
||||
// XInput DLL and functions
|
||||
#ifndef IMGUI_IMPL_WIN32_DISABLE_GAMEPAD
|
||||
static HMODULE g_XInputDLL = NULL;
|
||||
static PFN_XInputGetCapabilities g_XInputGetCapabilities = NULL;
|
||||
static PFN_XInputGetState g_XInputGetState = NULL;
|
||||
#endif
|
||||
|
||||
// Functions
|
||||
bool ImGui_ImplWin32_Init(void* hwnd)
|
||||
{
|
||||
@ -120,13 +124,48 @@ bool ImGui_ImplWin32_Init(void* hwnd)
|
||||
io.KeyMap[ImGuiKey_Y] = 'Y';
|
||||
io.KeyMap[ImGuiKey_Z] = 'Z';
|
||||
|
||||
// Dynamically load XInput library
|
||||
#ifndef IMGUI_IMPL_WIN32_DISABLE_GAMEPAD
|
||||
const char* xinput_dll_names[] =
|
||||
{
|
||||
"xinput1_4.dll", // Windows 8+
|
||||
"xinput1_3.dll", // DirectX SDK
|
||||
"xinput9_1_0.dll", // Windows Vista, Windows 7
|
||||
"xinput1_2.dll", // DirectX SDK
|
||||
"xinput1_1.dll" // DirectX SDK
|
||||
};
|
||||
for (int n = 0; n < IM_ARRAYSIZE(xinput_dll_names); n++)
|
||||
if (HMODULE dll = ::LoadLibraryA(xinput_dll_names[n]))
|
||||
{
|
||||
g_XInputDLL = dll;
|
||||
g_XInputGetCapabilities = (PFN_XInputGetCapabilities)::GetProcAddress(dll, "XInputGetCapabilities");
|
||||
g_XInputGetState = (PFN_XInputGetState)::GetProcAddress(dll, "XInputGetState");
|
||||
break;
|
||||
}
|
||||
#endif // IMGUI_IMPL_WIN32_DISABLE_GAMEPAD
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
void ImGui_ImplWin32_Shutdown()
|
||||
{
|
||||
ImGui_ImplWin32_ShutdownPlatformInterface();
|
||||
g_hWnd = (HWND)0;
|
||||
|
||||
// Unload XInput library
|
||||
#ifndef IMGUI_IMPL_WIN32_DISABLE_GAMEPAD
|
||||
if (g_XInputDLL)
|
||||
::FreeLibrary(g_XInputDLL);
|
||||
g_XInputDLL = NULL;
|
||||
g_XInputGetCapabilities = NULL;
|
||||
g_XInputGetState = NULL;
|
||||
#endif // IMGUI_IMPL_WIN32_DISABLE_GAMEPAD
|
||||
|
||||
g_hWnd = NULL;
|
||||
g_Time = 0;
|
||||
g_TicksPerSecond = 0;
|
||||
g_LastMouseCursor = ImGuiMouseCursor_COUNT;
|
||||
g_HasGamepad = false;
|
||||
g_WantUpdateHasGamepad = true;
|
||||
}
|
||||
|
||||
static bool ImGui_ImplWin32_UpdateMouseCursor()
|
||||
@ -235,13 +274,13 @@ static void ImGui_ImplWin32_UpdateGamepads()
|
||||
if (g_WantUpdateHasGamepad)
|
||||
{
|
||||
XINPUT_CAPABILITIES caps;
|
||||
g_HasGamepad = (XInputGetCapabilities(0, XINPUT_FLAG_GAMEPAD, &caps) == ERROR_SUCCESS);
|
||||
g_HasGamepad = g_XInputGetCapabilities ? (g_XInputGetCapabilities(0, XINPUT_FLAG_GAMEPAD, &caps) == ERROR_SUCCESS) : false;
|
||||
g_WantUpdateHasGamepad = false;
|
||||
}
|
||||
|
||||
XINPUT_STATE xinput_state;
|
||||
io.BackendFlags &= ~ImGuiBackendFlags_HasGamepad;
|
||||
if (g_HasGamepad && XInputGetState(0, &xinput_state) == ERROR_SUCCESS)
|
||||
XINPUT_STATE xinput_state;
|
||||
if (g_HasGamepad && g_XInputGetState && g_XInputGetState(0, &xinput_state) == ERROR_SUCCESS)
|
||||
{
|
||||
const XINPUT_GAMEPAD& gamepad = xinput_state.Gamepad;
|
||||
io.BackendFlags |= ImGuiBackendFlags_HasGamepad;
|
||||
|
||||
@ -20,9 +20,8 @@ IMGUI_IMPL_API void ImGui_ImplWin32_Shutdown();
|
||||
IMGUI_IMPL_API void ImGui_ImplWin32_NewFrame();
|
||||
|
||||
// Configuration
|
||||
// - Disable gamepad support or linking with xinput.lib
|
||||
// - Disable gamepad support
|
||||
//#define IMGUI_IMPL_WIN32_DISABLE_GAMEPAD
|
||||
//#define IMGUI_IMPL_WIN32_DISABLE_LINKING_XINPUT
|
||||
|
||||
// Win32 message handler your application need to call.
|
||||
// - Intentionally commented out in a '#if 0' block to avoid dragging dependencies on <windows.h> from this helper.
|
||||
|
||||
Reference in New Issue
Block a user