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648278cd62
@ -50,6 +50,7 @@ Other changes:
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mitigitate issues with reading vertex indexing limits with 16-bit indices. (#7496, #5720)
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- Backends: SDL3: Fixed text inputs. Re-enable calling SDL_StartTextInput()/SDL_StopTextInput()
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as SDL3 no longer enables it by default. (#7452, #6306, #6071, #1953) [@Green-Sky]
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- Examples: GLFW+WebGPU: Added support for WebGPU-native/Dawn (#7435, #7132) [@eliasdaler, @Zelif]
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-----------------------------------------------------------------------
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@ -1,15 +1,12 @@
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# Building for desktop (WebGPU-native) with Dawn:
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#
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# git clone https://github.com/google/dawn dawn
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# cmake -B build -DIMGUI_DAWN_DIR=dawn
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# cmake --build build
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#
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# 1. git clone https://github.com/google/dawn dawn
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# 2. cmake -B build -DIMGUI_DAWN_DIR=dawn
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# 3. cmake --build build
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# The resulting binary will be found at one of the following locations:
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# * build/Debug/example_emscripten_wgpu[.exe]
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# * build/example_emscripten_wgpu[.exe]
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# Building for Emscripten:
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#
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# 1. Install Emscripten SDK following the instructions: https://emscripten.org/docs/getting_started/downloads.html
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# 2. Install Ninja build system
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# 3. emcmake cmake -G Ninja -B build
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@ -1,7 +1,6 @@
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// Dear ImGui: standalone example application for using GLFW + WebGPU
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// Dawn is used as a WebGPU implementation on desktop and Emscripten is supported for
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// publishing on web.
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// (Emscripten is a C++-to-javascript compiler, used to publish executables for the web. See https://emscripten.org/)
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// - Emscripten is supported for publishing on web. See https://emscripten.org.
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// - Dawn is used as a WebGPU implementation on desktop.
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// Learn about Dear ImGui:
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// - FAQ https://dearimgui.com/faq
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@ -12,7 +11,6 @@
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#include "imgui.h"
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#include "imgui_impl_glfw.h"
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#include "imgui_impl_wgpu.h"
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#include <stdio.h>
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#ifdef __EMSCRIPTEN__
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@ -64,33 +62,6 @@ static void wgpu_error_callback(WGPUErrorType error_type, const char* message, v
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printf("%s error: %s\n", error_type_lbl, message);
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}
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static WGPUAdapter requestAdapter(WGPUInstance instance) {
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auto onAdapterRequestEnded = [](WGPURequestAdapterStatus status, WGPUAdapter adapter, char const* message, void* pUserData) {
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if (status == WGPURequestAdapterStatus_Success) {
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*static_cast<WGPUAdapter*>(pUserData) = adapter;
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} else {
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printf("Could not get WebGPU adapter: %s\n", message);
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}
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};
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WGPUAdapter adapter;
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wgpuInstanceRequestAdapter(instance, nullptr, onAdapterRequestEnded, (void*)&adapter);
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return adapter;
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}
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static WGPUDevice requestDevice(WGPUAdapter& adapter) {
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auto onDeviceRequestEnded = [](WGPURequestDeviceStatus status, WGPUDevice device, char const* message, void* pUserData) {
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if (status == WGPURequestDeviceStatus_Success) {
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*static_cast<WGPUDevice*>(pUserData) = device;
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} else {
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printf("Could not get WebGPU device: %s\n", message);
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}
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};
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WGPUDevice device;
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wgpuAdapterRequestDevice(adapter, nullptr, onDeviceRequestEnded, (void*)&device);
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return device;
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}
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// Main code
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int main(int, char**)
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{
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@ -151,7 +122,7 @@ int main(int, char**)
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//io.Fonts->AddFontDefault();
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#ifndef IMGUI_DISABLE_FILE_FUNCTIONS
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//io.Fonts->AddFontFromFileTTF("fonts/segoeui.ttf", 18.0f);
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// io.Fonts->AddFontFromFileTTF("fonts/DroidSans.ttf", 16.0f);
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//io.Fonts->AddFontFromFileTTF("fonts/DroidSans.ttf", 16.0f);
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//io.Fonts->AddFontFromFileTTF("fonts/Roboto-Medium.ttf", 16.0f);
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//io.Fonts->AddFontFromFileTTF("fonts/Cousine-Regular.ttf", 15.0f);
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//io.Fonts->AddFontFromFileTTF("fonts/ProggyTiny.ttf", 10.0f);
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@ -289,6 +260,36 @@ int main(int, char**)
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return 0;
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}
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#ifndef __EMSCRIPTEN__
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static WGPUAdapter RequestAdapter(WGPUInstance instance)
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{
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auto onAdapterRequestEnded = [](WGPURequestAdapterStatus status, WGPUAdapter adapter, const char* message, void* pUserData)
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{
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if (status == WGPURequestAdapterStatus_Success)
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*(WGPUAdapter*)(pUserData) = adapter;
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else
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printf("Could not get WebGPU adapter: %s\n", message);
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};
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WGPUAdapter adapter;
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wgpuInstanceRequestAdapter(instance, nullptr, onAdapterRequestEnded, (void*)&adapter);
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return adapter;
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}
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static WGPUDevice RequestDevice(WGPUAdapter& adapter)
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{
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auto onDeviceRequestEnded = [](WGPURequestDeviceStatus status, WGPUDevice device, const char* message, void* pUserData)
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{
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if (status == WGPURequestDeviceStatus_Success)
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*(WGPUDevice*)(pUserData) = device;
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else
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printf("Could not get WebGPU device: %s\n", message);
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};
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WGPUDevice device;
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wgpuAdapterRequestDevice(adapter, nullptr, onDeviceRequestEnded, (void*)&device);
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return device;
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}
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#endif
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static bool InitWGPU(GLFWwindow* window)
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{
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wgpu::Instance instance = wgpuCreateInstance(nullptr);
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@ -298,10 +299,10 @@ static bool InitWGPU(GLFWwindow* window)
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if (!wgpu_device)
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return false;
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#else
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WGPUAdapter adapter = requestAdapter(instance.Get());
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WGPUAdapter adapter = RequestAdapter(instance.Get());
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if (!adapter)
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return false;
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wgpu_device = requestDevice(adapter);
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wgpu_device = RequestDevice(adapter);
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#endif
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#ifdef __EMSCRIPTEN__
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