diff options
Diffstat (limited to 'imgui-1.92.1/examples/example_glfw_wgpu')
| -rw-r--r-- | imgui-1.92.1/examples/example_glfw_wgpu/CMakeLists.txt | 117 | ||||
| -rw-r--r-- | imgui-1.92.1/examples/example_glfw_wgpu/Makefile.emscripten | 92 | ||||
| -rw-r--r-- | imgui-1.92.1/examples/example_glfw_wgpu/README.md | 24 | ||||
| -rw-r--r-- | imgui-1.92.1/examples/example_glfw_wgpu/main.cpp | 350 |
4 files changed, 0 insertions, 583 deletions
diff --git a/imgui-1.92.1/examples/example_glfw_wgpu/CMakeLists.txt b/imgui-1.92.1/examples/example_glfw_wgpu/CMakeLists.txt deleted file mode 100644 index 8e164e4..0000000 --- a/imgui-1.92.1/examples/example_glfw_wgpu/CMakeLists.txt +++ /dev/null @@ -1,117 +0,0 @@ -# Building for desktop (WebGPU-native) with Dawn: -# 1. git clone https://github.com/google/dawn dawn -# 2. cmake -B build -DIMGUI_DAWN_DIR=dawn -# 3. cmake --build build -# The resulting binary will be found at one of the following locations: -# * build/Debug/example_glfw_wgpu[.exe] -# * build/example_glfw_wgpu[.exe] - -# Building for Emscripten: -# 1. Install Emscripten SDK following the instructions: https://emscripten.org/docs/getting_started/downloads.html -# 2. Install Ninja build system -# 3. emcmake cmake -G Ninja -B build -# 3. cmake --build build -# 4. emrun build/index.html - -cmake_minimum_required(VERSION 3.10.2) -project(imgui_example_glfw_wgpu C CXX) - -if(NOT CMAKE_BUILD_TYPE) - set(CMAKE_BUILD_TYPE Debug CACHE STRING "" FORCE) -endif() - -set(CMAKE_CXX_STANDARD 17) # Dawn requires C++17 - -# Dear ImGui -set(IMGUI_DIR ../../) - -# Libraries -if(EMSCRIPTEN) - if(EMSCRIPTEN_VERSION VERSION_GREATER_EQUAL "3.1.57") - set(IMGUI_EMSCRIPTEN_GLFW3 "--use-port=contrib.glfw3" CACHE STRING "Choose between --use-port=contrib.glfw3 and -sUSE_GLFW=3 for GLFW implementation (default to --use-port=contrib.glfw3)") - else() - # cannot use contrib.glfw3 prior to 3.1.57 - set(IMGUI_EMSCRIPTEN_GLFW3 "-sUSE_GLFW=3" CACHE STRING "Use -sUSE_GLFW=3 for GLFW implementation" FORCE) - endif() - set(LIBRARIES glfw) - add_compile_options(-sDISABLE_EXCEPTION_CATCHING=1 -DIMGUI_DISABLE_FILE_FUNCTIONS=1) -else() - # Dawn wgpu desktop - set(DAWN_FETCH_DEPENDENCIES ON) - set(IMGUI_DAWN_DIR CACHE PATH "Path to Dawn repository") - if (NOT IMGUI_DAWN_DIR) - message(FATAL_ERROR "Please specify the Dawn repository by setting IMGUI_DAWN_DIR") - endif() - - option(DAWN_FETCH_DEPENDENCIES "Use fetch_dawn_dependencies.py as an alternative to using depot_tools" ON) - - # Dawn builds many things by default - disable things we don't need - option(DAWN_BUILD_SAMPLES "Enables building Dawn's samples" OFF) - option(TINT_BUILD_CMD_TOOLS "Build the Tint command line tools" OFF) - option(TINT_BUILD_DOCS "Build documentation" OFF) - option(TINT_BUILD_TESTS "Build tests" OFF) - if (NOT APPLE) - option(TINT_BUILD_MSL_WRITER "Build the MSL output writer" OFF) - endif() - if(WIN32) - option(TINT_BUILD_SPV_READER "Build the SPIR-V input reader" OFF) - option(TINT_BUILD_WGSL_READER "Build the WGSL input reader" ON) - option(TINT_BUILD_GLSL_WRITER "Build the GLSL output writer" OFF) - option(TINT_BUILD_GLSL_VALIDATOR "Build the GLSL output validator" OFF) - option(TINT_BUILD_SPV_WRITER "Build the SPIR-V output writer" OFF) - option(TINT_BUILD_WGSL_WRITER "Build the WGSL output writer" ON) - endif() - - add_subdirectory("${IMGUI_DAWN_DIR}" "${CMAKE_CURRENT_BINARY_DIR}/dawn" EXCLUDE_FROM_ALL) - - set(LIBRARIES webgpu_dawn webgpu_cpp webgpu_glfw glfw) -endif() - -add_executable(example_glfw_wgpu - main.cpp - # backend files - ${IMGUI_DIR}/backends/imgui_impl_glfw.cpp - ${IMGUI_DIR}/backends/imgui_impl_wgpu.cpp - # Dear ImGui files - ${IMGUI_DIR}/imgui.cpp - ${IMGUI_DIR}/imgui_draw.cpp - ${IMGUI_DIR}/imgui_demo.cpp - ${IMGUI_DIR}/imgui_tables.cpp - ${IMGUI_DIR}/imgui_widgets.cpp -) -IF(NOT EMSCRIPTEN) - target_compile_definitions(example_glfw_wgpu PUBLIC - "IMGUI_IMPL_WEBGPU_BACKEND_DAWN" - ) -endif() -target_include_directories(example_glfw_wgpu PUBLIC - ${IMGUI_DIR} - ${IMGUI_DIR}/backends -) - -target_link_libraries(example_glfw_wgpu PUBLIC ${LIBRARIES}) - -# Emscripten settings -if(EMSCRIPTEN) - if("${IMGUI_EMSCRIPTEN_GLFW3}" STREQUAL "--use-port=contrib.glfw3") - target_compile_options(example_glfw_wgpu PUBLIC - "${IMGUI_EMSCRIPTEN_GLFW3}" - ) - endif() - message(STATUS "Using ${IMGUI_EMSCRIPTEN_GLFW3} GLFW implementation") - target_link_options(example_glfw_wgpu PRIVATE - "-sUSE_WEBGPU=1" - "${IMGUI_EMSCRIPTEN_GLFW3}" - "-sWASM=1" - "-sALLOW_MEMORY_GROWTH=1" - "-sNO_EXIT_RUNTIME=0" - "-sASSERTIONS=1" - "-sDISABLE_EXCEPTION_CATCHING=1" - "-sNO_FILESYSTEM=1" - ) - set_target_properties(example_glfw_wgpu PROPERTIES OUTPUT_NAME "index") - # copy our custom index.html to build directory - add_custom_command(TARGET example_glfw_wgpu POST_BUILD - COMMAND ${CMAKE_COMMAND} -E copy_if_different "${CMAKE_CURRENT_LIST_DIR}/web/index.html" $<TARGET_FILE_DIR:example_glfw_wgpu> - ) -endif() diff --git a/imgui-1.92.1/examples/example_glfw_wgpu/Makefile.emscripten b/imgui-1.92.1/examples/example_glfw_wgpu/Makefile.emscripten deleted file mode 100644 index 8ee398b..0000000 --- a/imgui-1.92.1/examples/example_glfw_wgpu/Makefile.emscripten +++ /dev/null @@ -1,92 +0,0 @@ -# -# Makefile to use with emscripten -# See https://emscripten.org/docs/getting_started/downloads.html -# for installation instructions. -# -# This Makefile assumes you have loaded emscripten's environment. -# (On Windows, you may need to execute emsdk_env.bat or encmdprompt.bat ahead) -# -# Running `make` will produce three files: -# - web/index.html (current stored in the repository) -# - web/index.js -# - web/index.wasm -# -# All three are needed to run the demo. - -CC = emcc -CXX = em++ -WEB_DIR = web -EXE = $(WEB_DIR)/index.js -IMGUI_DIR = ../.. -SOURCES = main.cpp -SOURCES += $(IMGUI_DIR)/imgui.cpp $(IMGUI_DIR)/imgui_demo.cpp $(IMGUI_DIR)/imgui_draw.cpp $(IMGUI_DIR)/imgui_tables.cpp $(IMGUI_DIR)/imgui_widgets.cpp -SOURCES += $(IMGUI_DIR)/backends/imgui_impl_glfw.cpp $(IMGUI_DIR)/backends/imgui_impl_wgpu.cpp -OBJS = $(addsuffix .o, $(basename $(notdir $(SOURCES)))) -UNAME_S := $(shell uname -s) -CPPFLAGS = -LDFLAGS = -EMS = - -##--------------------------------------------------------------------- -## EMSCRIPTEN OPTIONS -##--------------------------------------------------------------------- - -# ("EMS" options gets added to both CPPFLAGS and LDFLAGS, whereas some options are for linker only) -# Note: For glfw, we use emscripten-glfw port (contrib.glfw3) instead of (-s USE_GLFW=3) to get a better support for High DPI displays. -EMS += -s DISABLE_EXCEPTION_CATCHING=1 --use-port=contrib.glfw3 -LDFLAGS += -s USE_WEBGPU=1 -LDFLAGS += -s WASM=1 -s ALLOW_MEMORY_GROWTH=1 -s NO_EXIT_RUNTIME=0 -s ASSERTIONS=1 - -# Build as single file (binary text encoded in .html file) -#LDFLAGS += -sSINGLE_FILE - -# Emscripten allows preloading a file or folder to be accessible at runtime. -# The Makefile for this example project suggests embedding the misc/fonts/ folder into our application, it will then be accessible as "/fonts" -# See documentation for more details: https://emscripten.org/docs/porting/files/packaging_files.html -# (Default value is 0. Set to 1 to enable file-system and include the misc/fonts/ folder as part of the build.) -USE_FILE_SYSTEM ?= 0 -ifeq ($(USE_FILE_SYSTEM), 0) -LDFLAGS += -s NO_FILESYSTEM=1 -CPPFLAGS += -DIMGUI_DISABLE_FILE_FUNCTIONS -endif -ifeq ($(USE_FILE_SYSTEM), 1) -LDFLAGS += --no-heap-copy --preload-file ../../misc/fonts@/fonts -endif - -##--------------------------------------------------------------------- -## FINAL BUILD FLAGS -##--------------------------------------------------------------------- - -CPPFLAGS += -I$(IMGUI_DIR) -I$(IMGUI_DIR)/backends -#CPPFLAGS += -g -CPPFLAGS += -Wall -Wformat -Os $(EMS) -#LDFLAGS += --shell-file shell_minimal.html -LDFLAGS += $(EMS) - -##--------------------------------------------------------------------- -## BUILD RULES -##--------------------------------------------------------------------- - -%.o:%.cpp - $(CXX) $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $< - -%.o:$(IMGUI_DIR)/%.cpp - $(CXX) $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $< - -%.o:$(IMGUI_DIR)/backends/%.cpp - $(CXX) $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $< - -all: $(EXE) - @echo Build complete for $(EXE) - -$(WEB_DIR): - mkdir $@ - -serve: all - python3 -m http.server -d $(WEB_DIR) - -$(EXE): $(OBJS) $(WEB_DIR) - $(CXX) -o $@ $(OBJS) $(LDFLAGS) - -clean: - rm -f $(EXE) $(OBJS) $(WEB_DIR)/*.js $(WEB_DIR)/*.wasm $(WEB_DIR)/*.wasm.pre diff --git a/imgui-1.92.1/examples/example_glfw_wgpu/README.md b/imgui-1.92.1/examples/example_glfw_wgpu/README.md deleted file mode 100644 index 399d431..0000000 --- a/imgui-1.92.1/examples/example_glfw_wgpu/README.md +++ /dev/null @@ -1,24 +0,0 @@ -## How to Build - -- You need to install Emscripten from https://emscripten.org/docs/getting_started/downloads.html, and have the environment variables set, as described in https://emscripten.org/docs/getting_started/downloads.html#installation-instructions - -- Depending on your configuration, in Windows you may need to run `emsdk/emsdk_env.bat` in your console to access the Emscripten command-line tools. - -- You may also refer to our [Continuous Integration setup](https://github.com/ocornut/imgui/tree/master/.github/workflows) for Emscripten setup. - -- Then build using `make -f Makefile.emscripten` while in the `example_glfw_wgpu/` directory. - -- Requires recent Emscripten as WGPU is still a work-in-progress API. - -## How to Run - -To run on a local machine: -- Make sure your browse supports WGPU and it is enabled. WGPU is still WIP not enabled by default in most browser. -- `make serve` will use Python3 to spawn a local webserver, you can then browse http://localhost:8000 to access your build. -- Otherwise, generally you will need a local webserver: - - Quoting [https://emscripten.org/docs/getting_started](https://emscripten.org/docs/getting_started/Tutorial.html#generating-html):<br> -_"Unfortunately several browsers (including Chrome, Safari, and Internet Explorer) do not support file:// [XHR](https://emscripten.org/docs/site/glossary.html#term-xhr) requests, and can’t load extra files needed by the HTML (like a .wasm file, or packaged file data as mentioned lower down). For these browsers you’ll need to serve the files using a [local webserver](https://emscripten.org/docs/getting_started/FAQ.html#faq-local-webserver) and then open http://localhost:8000/hello.html."_ - - Emscripten SDK has a handy `emrun` command: `emrun web/example_glfw_wgpu.html --browser firefox` which will spawn a temporary local webserver (in Firefox). See https://emscripten.org/docs/compiling/Running-html-files-with-emrun.html for details. - - You may use Python 3 builtin webserver: `python -m http.server -d web` (this is what `make serve` uses). - - You may use Python 2 builtin webserver: `cd web && python -m SimpleHTTPServer`. - - If you are accessing the files over a network, certain browsers, such as Firefox, will restrict Gamepad API access to secure contexts only (e.g. https only). diff --git a/imgui-1.92.1/examples/example_glfw_wgpu/main.cpp b/imgui-1.92.1/examples/example_glfw_wgpu/main.cpp deleted file mode 100644 index c150b59..0000000 --- a/imgui-1.92.1/examples/example_glfw_wgpu/main.cpp +++ /dev/null @@ -1,350 +0,0 @@ -// Dear ImGui: standalone example application for using GLFW + WebGPU -// - Emscripten is supported for publishing on web. See https://emscripten.org. -// - Dawn is used as a WebGPU implementation on desktop. - -// Learn about Dear ImGui: -// - FAQ https://dearimgui.com/faq -// - Getting Started https://dearimgui.com/getting-started -// - Documentation https://dearimgui.com/docs (same as your local docs/ folder). -// - Introduction, links and more at the top of imgui.cpp - -#include "imgui.h" -#include "imgui_impl_glfw.h" -#include "imgui_impl_wgpu.h" -#include <stdio.h> - -#ifdef __EMSCRIPTEN__ -#include <emscripten.h> -#include <emscripten/html5.h> -#include <emscripten/html5_webgpu.h> -#else -#include <webgpu/webgpu_glfw.h> -#endif - -#include <GLFW/glfw3.h> -#include <webgpu/webgpu.h> -#include <webgpu/webgpu_cpp.h> - -// This example can also compile and run with Emscripten! See 'Makefile.emscripten' for details. -#ifdef __EMSCRIPTEN__ -#include "../libs/emscripten/emscripten_mainloop_stub.h" -#endif - -// Global WebGPU required states -static WGPUInstance wgpu_instance = nullptr; -static WGPUDevice wgpu_device = nullptr; -static WGPUSurface wgpu_surface = nullptr; -static WGPUTextureFormat wgpu_preferred_fmt = WGPUTextureFormat_RGBA8Unorm; -static WGPUSwapChain wgpu_swap_chain = nullptr; -static int wgpu_swap_chain_width = 1280; -static int wgpu_swap_chain_height = 720; - -// Forward declarations -static bool InitWGPU(GLFWwindow* window); -static void CreateSwapChain(int width, int height); - -static void glfw_error_callback(int error, const char* description) -{ - printf("GLFW Error %d: %s\n", error, description); -} - -static void wgpu_error_callback(WGPUErrorType error_type, const char* message, void*) -{ - const char* error_type_lbl = ""; - switch (error_type) - { - case WGPUErrorType_Validation: error_type_lbl = "Validation"; break; - case WGPUErrorType_OutOfMemory: error_type_lbl = "Out of memory"; break; - case WGPUErrorType_Unknown: error_type_lbl = "Unknown"; break; - case WGPUErrorType_DeviceLost: error_type_lbl = "Device lost"; break; - default: error_type_lbl = "Unknown"; - } - printf("%s error: %s\n", error_type_lbl, message); -} - -// Main code -int main(int, char**) -{ - glfwSetErrorCallback(glfw_error_callback); - if (!glfwInit()) - return 1; - - // Make sure GLFW does not initialize any graphics context. - // This needs to be done explicitly later. - glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API); - GLFWwindow* window = glfwCreateWindow(wgpu_swap_chain_width, wgpu_swap_chain_height, "Dear ImGui GLFW+WebGPU example", nullptr, nullptr); - if (window == nullptr) - return 1; - - // Initialize the WebGPU environment - if (!InitWGPU(window)) - { - if (window) - glfwDestroyWindow(window); - glfwTerminate(); - return 1; - } - CreateSwapChain(wgpu_swap_chain_width, wgpu_swap_chain_height); - glfwShowWindow(window); - - // Setup Dear ImGui context - IMGUI_CHECKVERSION(); - ImGui::CreateContext(); - ImGuiIO& io = ImGui::GetIO(); (void)io; - io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls - io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls - - // Setup Dear ImGui style - ImGui::StyleColorsDark(); - //ImGui::StyleColorsLight(); - - // Setup Platform/Renderer backends - ImGui_ImplGlfw_InitForOther(window, true); -#ifdef __EMSCRIPTEN__ - ImGui_ImplGlfw_InstallEmscriptenCallbacks(window, "#canvas"); -#endif - ImGui_ImplWGPU_InitInfo init_info; - init_info.Device = wgpu_device; - init_info.NumFramesInFlight = 3; - init_info.RenderTargetFormat = wgpu_preferred_fmt; - init_info.DepthStencilFormat = WGPUTextureFormat_Undefined; - ImGui_ImplWGPU_Init(&init_info); - - // Load Fonts - // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. - // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. - // - If the file cannot be loaded, the function will return a nullptr. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). - // - Use '#define IMGUI_ENABLE_FREETYPE' in your imconfig file to use Freetype for higher quality font rendering. - // - Read 'docs/FONTS.md' for more instructions and details. - // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! - // - Emscripten allows preloading a file or folder to be accessible at runtime. See Makefile for details. - //io.Fonts->AddFontDefault(); - //style.FontSizeBase = 20.0f; -#ifndef IMGUI_DISABLE_FILE_FUNCTIONS - //io.Fonts->AddFontFromFileTTF("fonts/segoeui.ttf"); - //io.Fonts->AddFontFromFileTTF("fonts/DroidSans.ttf"); - //io.Fonts->AddFontFromFileTTF("fonts/Roboto-Medium.ttf"); - //io.Fonts->AddFontFromFileTTF("fonts/Cousine-Regular.ttf"); - //io.Fonts->AddFontFromFileTTF("fonts/ProggyTiny.ttf"); - //ImFont* font = io.Fonts->AddFontFromFileTTF("fonts/ArialUni.ttf"); - //IM_ASSERT(font != nullptr); -#endif - - // Our state - bool show_demo_window = true; - bool show_another_window = false; - ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f); - - // Main loop -#ifdef __EMSCRIPTEN__ - // For an Emscripten build we are disabling file-system access, so let's not attempt to do a fopen() of the imgui.ini file. - // You may manually call LoadIniSettingsFromMemory() to load settings from your own storage. - io.IniFilename = nullptr; - EMSCRIPTEN_MAINLOOP_BEGIN -#else - while (!glfwWindowShouldClose(window)) -#endif - { - // Poll and handle events (inputs, window resize, etc.) - // You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. - // - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application, or clear/overwrite your copy of the mouse data. - // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application, or clear/overwrite your copy of the keyboard data. - // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. - glfwPollEvents(); - if (glfwGetWindowAttrib(window, GLFW_ICONIFIED) != 0) - { - ImGui_ImplGlfw_Sleep(10); - continue; - } - - // React to changes in screen size - int width, height; - glfwGetFramebufferSize((GLFWwindow*)window, &width, &height); - if (width != wgpu_swap_chain_width || height != wgpu_swap_chain_height) - { - ImGui_ImplWGPU_InvalidateDeviceObjects(); - CreateSwapChain(width, height); - ImGui_ImplWGPU_CreateDeviceObjects(); - } - - // Start the Dear ImGui frame - ImGui_ImplWGPU_NewFrame(); - ImGui_ImplGlfw_NewFrame(); - ImGui::NewFrame(); - - // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). - if (show_demo_window) - ImGui::ShowDemoWindow(&show_demo_window); - - // 2. Show a simple window that we create ourselves. We use a Begin/End pair to create a named window. - { - static float f = 0.0f; - static int counter = 0; - - ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. - - ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) - ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state - ImGui::Checkbox("Another Window", &show_another_window); - - ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f - ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color - - if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) - counter++; - ImGui::SameLine(); - ImGui::Text("counter = %d", counter); - - ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / io.Framerate, io.Framerate); - ImGui::End(); - } - - // 3. Show another simple window. - if (show_another_window) - { - ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) - ImGui::Text("Hello from another window!"); - if (ImGui::Button("Close Me")) - show_another_window = false; - ImGui::End(); - } - - // Rendering - ImGui::Render(); - -#ifndef __EMSCRIPTEN__ - // Tick needs to be called in Dawn to display validation errors - wgpuDeviceTick(wgpu_device); -#endif - - WGPURenderPassColorAttachment color_attachments = {}; - color_attachments.depthSlice = WGPU_DEPTH_SLICE_UNDEFINED; - color_attachments.loadOp = WGPULoadOp_Clear; - color_attachments.storeOp = WGPUStoreOp_Store; - color_attachments.clearValue = { clear_color.x * clear_color.w, clear_color.y * clear_color.w, clear_color.z * clear_color.w, clear_color.w }; - color_attachments.view = wgpuSwapChainGetCurrentTextureView(wgpu_swap_chain); - - WGPURenderPassDescriptor render_pass_desc = {}; - render_pass_desc.colorAttachmentCount = 1; - render_pass_desc.colorAttachments = &color_attachments; - render_pass_desc.depthStencilAttachment = nullptr; - - WGPUCommandEncoderDescriptor enc_desc = {}; - WGPUCommandEncoder encoder = wgpuDeviceCreateCommandEncoder(wgpu_device, &enc_desc); - - WGPURenderPassEncoder pass = wgpuCommandEncoderBeginRenderPass(encoder, &render_pass_desc); - ImGui_ImplWGPU_RenderDrawData(ImGui::GetDrawData(), pass); - wgpuRenderPassEncoderEnd(pass); - - WGPUCommandBufferDescriptor cmd_buffer_desc = {}; - WGPUCommandBuffer cmd_buffer = wgpuCommandEncoderFinish(encoder, &cmd_buffer_desc); - WGPUQueue queue = wgpuDeviceGetQueue(wgpu_device); - wgpuQueueSubmit(queue, 1, &cmd_buffer); - -#ifndef __EMSCRIPTEN__ - wgpuSwapChainPresent(wgpu_swap_chain); -#endif - - wgpuTextureViewRelease(color_attachments.view); - wgpuRenderPassEncoderRelease(pass); - wgpuCommandEncoderRelease(encoder); - wgpuCommandBufferRelease(cmd_buffer); - } -#ifdef __EMSCRIPTEN__ - EMSCRIPTEN_MAINLOOP_END; -#endif - - // Cleanup - ImGui_ImplWGPU_Shutdown(); - ImGui_ImplGlfw_Shutdown(); - ImGui::DestroyContext(); - - glfwDestroyWindow(window); - glfwTerminate(); - - return 0; -} - -#ifndef __EMSCRIPTEN__ -static WGPUAdapter RequestAdapter(WGPUInstance instance) -{ - auto onAdapterRequestEnded = [](WGPURequestAdapterStatus status, WGPUAdapter adapter, const char* message, void* pUserData) - { - if (status == WGPURequestAdapterStatus_Success) - *(WGPUAdapter*)(pUserData) = adapter; - else - printf("Could not get WebGPU adapter: %s\n", message); -}; - WGPUAdapter adapter; - wgpuInstanceRequestAdapter(instance, nullptr, onAdapterRequestEnded, (void*)&adapter); - return adapter; -} - -static WGPUDevice RequestDevice(WGPUAdapter& adapter) -{ - auto onDeviceRequestEnded = [](WGPURequestDeviceStatus status, WGPUDevice device, const char* message, void* pUserData) - { - if (status == WGPURequestDeviceStatus_Success) - *(WGPUDevice*)(pUserData) = device; - else - printf("Could not get WebGPU device: %s\n", message); - }; - WGPUDevice device; - wgpuAdapterRequestDevice(adapter, nullptr, onDeviceRequestEnded, (void*)&device); - return device; -} -#endif - -static bool InitWGPU(GLFWwindow* window) -{ - wgpu::Instance instance = wgpuCreateInstance(nullptr); - -#ifdef __EMSCRIPTEN__ - wgpu_device = emscripten_webgpu_get_device(); - if (!wgpu_device) - return false; -#else - WGPUAdapter adapter = RequestAdapter(instance.Get()); - if (!adapter) - return false; - wgpu_device = RequestDevice(adapter); -#endif - -#ifdef __EMSCRIPTEN__ - wgpu::SurfaceDescriptorFromCanvasHTMLSelector html_surface_desc = {}; - html_surface_desc.selector = "#canvas"; - wgpu::SurfaceDescriptor surface_desc = {}; - surface_desc.nextInChain = &html_surface_desc; - wgpu::Surface surface = instance.CreateSurface(&surface_desc); - - wgpu::Adapter adapter = {}; - wgpu_preferred_fmt = (WGPUTextureFormat)surface.GetPreferredFormat(adapter); -#else - wgpu::Surface surface = wgpu::glfw::CreateSurfaceForWindow(instance, window); - if (!surface) - return false; - wgpu_preferred_fmt = WGPUTextureFormat_BGRA8Unorm; -#endif - - wgpu_instance = instance.MoveToCHandle(); - wgpu_surface = surface.MoveToCHandle(); - - wgpuDeviceSetUncapturedErrorCallback(wgpu_device, wgpu_error_callback, nullptr); - - return true; -} - -static void CreateSwapChain(int width, int height) -{ - if (wgpu_swap_chain) - wgpuSwapChainRelease(wgpu_swap_chain); - wgpu_swap_chain_width = width; - wgpu_swap_chain_height = height; - WGPUSwapChainDescriptor swap_chain_desc = {}; - swap_chain_desc.usage = WGPUTextureUsage_RenderAttachment; - swap_chain_desc.format = wgpu_preferred_fmt; - swap_chain_desc.width = width; - swap_chain_desc.height = height; - swap_chain_desc.presentMode = WGPUPresentMode_Fifo; - wgpu_swap_chain = wgpuDeviceCreateSwapChain(wgpu_device, wgpu_surface, &swap_chain_desc); -} |