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dawn.patch
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diff --git a/include/webgpu/webgpu_sdl.h b/include/webgpu/webgpu_sdl.h
new file mode 100644
index 00000000..6e2eaaa5
--- /dev/null
+++ b/include/webgpu/webgpu_sdl.h
@@ -0,0 +1,59 @@
+// Copyright 2022 The Dawn & Tint Authors
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are met:
+//
+// 1. Redistributions of source code must retain the above copyright notice, this
+// list of conditions and the following disclaimer.
+//
+// 2. Redistributions in binary form must reproduce the above copyright notice,
+// this list of conditions and the following disclaimer in the documentation
+// and/or other materials provided with the distribution.
+//
+// 3. Neither the name of the copyright holder nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef INCLUDE_WEBGPU_WEBGPU_SDL_H_
+#define INCLUDE_WEBGPU_WEBGPU_SDL_H_
+
+#include <memory>
+
+#include "webgpu/webgpu_cpp.h"
+
+#if defined(WGPU_SDL_SHARED_LIBRARY)
+#if defined(_WIN32)
+#if defined(WGPU_SDL_IMPLEMENTATION)
+#define WGPU_SDL_EXPORT __declspec(dllexport)
+#else
+#define WGPU_SDL_EXPORT __declspec(dllimport)
+#endif
+#else // defined(_WIN32)
+#if defined(WGPU_SDL_IMPLEMENTATION)
+#define WGPU_SDL_EXPORT __attribute__((visibility("default")))
+#else
+#define WGPU_SDL_EXPORT
+#endif
+#endif // defined(_WIN32)
+#else // defined(WGPU_SDL_SHARED_LIBRARY)
+#define WGPU_SDL_EXPORT
+#endif // defined(WGPU_SDL_SHARED_LIBRARY)
+
+namespace wgpu::sdl {
+
+WGPU_SDL_EXPORT WGPUSurface CreateSurfaceForWindow(DawnProcTable &procs, const WGPUInstance& instance, void* nativeData);
+
+} // namespace wgpu::sdl
+
+#endif // INCLUDE_WEBGPU_WEBGPU_SDL_H_
diff --git a/src/dawn/CMakeLists.txt b/src/dawn/CMakeLists.txt
index f4e194d9..2d18d091 100644
--- a/src/dawn/CMakeLists.txt
+++ b/src/dawn/CMakeLists.txt
@@ -36,6 +36,7 @@ add_subdirectory(wire)
# TODO(dawn:269): Remove once the implementation-based swapchains are removed.
add_subdirectory(utils)
add_subdirectory(glfw)
+add_subdirectory(sdl)
add_subdirectory(tests/benchmarks)
if (DAWN_BUILD_SAMPLES)
diff --git a/src/dawn/native/d3d/SwapChainD3D.cpp b/src/dawn/native/d3d/SwapChainD3D.cpp
index 57b85028..3e00b807 100644
--- a/src/dawn/native/d3d/SwapChainD3D.cpp
+++ b/src/dawn/native/d3d/SwapChainD3D.cpp
@@ -198,11 +198,13 @@ MaybeError SwapChain::InitializeSwapChainFromScratch() {
ComPtr<IDXGISwapChain1> swapChain1;
switch (GetSurface()->GetType()) {
case Surface::Type::WindowsHWND: {
+ fprintf(stderr, "CreateSwapChainForHwnd 1\n");
DAWN_TRY(CheckHRESULT(
factory2->CreateSwapChainForHwnd(GetD3DDeviceForCreatingSwapChain(),
static_cast<HWND>(GetSurface()->GetHWND()),
&swapChainDesc, nullptr, nullptr, &swapChain1),
"Creating the IDXGISwapChain1"));
+ fprintf(stderr, "CreateSwapChainForHwnd 2\n");
break;
}
case Surface::Type::WindowsCoreWindow: {
diff --git a/src/dawn/node/CMakeLists.txt b/src/dawn/node/CMakeLists.txt
index e0fe9b77..2342910c 100644
--- a/src/dawn/node/CMakeLists.txt
+++ b/src/dawn/node/CMakeLists.txt
@@ -85,7 +85,7 @@ set_target_properties(dawn_node PROPERTIES
CXX_STANDARD 17
)
target_link_libraries(dawn_node dawn_node_binding dawn_node_interop dawn_native dawncpp dawn_proc
- libtint)
+ libtint dawn_sdl)
target_include_directories(dawn_node PRIVATE
"${PROJECT_SOURCE_DIR}"
"${NODE_ADDON_API_DIR}"
diff --git a/src/dawn/node/Module.cpp b/src/dawn/node/Module.cpp
index 1061c8b6..918851ab 100644
--- a/src/dawn/node/Module.cpp
+++ b/src/dawn/node/Module.cpp
@@ -34,8 +34,14 @@
#include "dawn/dawn_proc.h"
#include "src/dawn/node/binding/Flags.h"
#include "src/dawn/node/binding/GPU.h"
+#include "src/dawn/node/binding/GPUDevice.h"
+#include "src/dawn/node/binding/GPUTexture.h"
+#include "src/dawn/node/binding/GPUTextureView.h"
+#include "src/dawn/common/Platform.h"
#include "tint/tint.h"
+#include "webgpu/webgpu_sdl.h"
+
#ifdef DAWN_EMIT_COVERAGE
extern "C" {
void __llvm_profile_reset_counters(void);
@@ -46,8 +52,10 @@ int __llvm_profile_write_file(void);
namespace {
+DawnProcTable procs;
+
Napi::Value CreateGPU(const Napi::CallbackInfo& info) {
- const auto& env = info.Env();
+ const Napi::Env& env = info.Env();
std::tuple<std::vector<std::string>> args;
auto res = wgpu::interop::FromJS(info, args);
@@ -73,6 +81,138 @@ Napi::Value CreateGPU(const Napi::CallbackInfo& info) {
return wgpu::interop::GPU::Create<wgpu::binding::GPU>(env, std::move(flags));
}
+class Renderer : public Napi::ObjectWrap<Renderer> {
+
+ static Napi::FunctionReference constructor;
+
+public:
+
+ Napi::ObjectReference _window;
+ WGPUInstance _instance;
+ WGPUDevice _device;
+ WGPUSwapChain _swapChain;
+
+ static void Init(const Napi::Env &env) {
+ Napi::Function func = DefineClass(env, "Renderer", {
+ InstanceMethod("getPreferredFormat", &Renderer::getPreferredFormat),
+ InstanceMethod("getCurrentTexture", &Renderer::getCurrentTexture),
+ InstanceMethod("getCurrentTextureView", &Renderer::getCurrentTextureView),
+ InstanceMethod("swap", &Renderer::swap),
+ InstanceMethod("resize", &Renderer::resize),
+ });
+
+ constructor = Napi::Persistent(func);
+ constructor.SuppressDestruct();
+ }
+
+ Renderer(const Napi::CallbackInfo& info) : Napi::ObjectWrap<Renderer>(info) {
+ const Napi::Env& env = info.Env();
+ auto jsDevice = info[0].As<Napi::Object>();
+ auto jsWindow = info[1].As<Napi::Object>();
+
+ _window = Napi::Persistent(jsWindow);
+ _instance = dawn::native::Instance().Get();
+ _device = (reinterpret_cast<wgpu::binding::GPUDevice*>(wgpu::interop::GPUDevice::Unwrap(jsDevice)))->device_.Get();
+ _createSwapChain(env);
+ };
+
+ static Napi::Object NewInstance(Napi::Env env, Napi::Value device, Napi::Value window) {
+ return constructor.New({ device, window});
+ }
+
+ Napi::Value getPreferredFormat(const Napi::CallbackInfo& info) {
+ const Napi::Env& env = info.Env();
+ return Napi::String::From(env, "bgra8unorm");
+ }
+
+ Napi::Value getCurrentTexture(const Napi::CallbackInfo& info) {
+ const Napi::Env& env = info.Env();
+ WGPUTexture texture = procs.swapChainGetCurrentTexture(_swapChain);
+ return wgpu::interop::GPUTexture::Create<wgpu::binding::GPUTexture>(env,
+ wgpu::Device::Acquire(_device),
+ wgpu::TextureDescriptor(),
+ wgpu::Texture::Acquire(texture)
+ );
+ }
+
+ Napi::Value getCurrentTextureView(const Napi::CallbackInfo& info) {
+ const Napi::Env& env = info.Env();
+ WGPUTextureView textureView = procs.swapChainGetCurrentTextureView(_swapChain);
+ return wgpu::interop::GPUTextureView::Create<wgpu::binding::GPUTextureView>(env,
+ wgpu::TextureViewDescriptor(),
+ wgpu::TextureView::Acquire(textureView)
+ );
+ }
+
+ Napi::Value swap(const Napi::CallbackInfo& info) {
+ const Napi::Env& env = info.Env();
+ procs.swapChainPresent(_swapChain);
+ return env.Undefined();
+ }
+
+ Napi::Value resize(const Napi::CallbackInfo& info) {
+ const Napi::Env& env = info.Env();
+ _createSwapChain(env);
+ return env.Undefined();
+ }
+
+private:
+
+ void _createSwapChain(const Napi::Env &env) {
+ Napi::Buffer<char> buffer = { env, _window.Get("native") };
+ fprintf(stderr, "_createSwapChain 1\n");
+ // WGPUSurface surface = wgpu::sdl::CreateSurfaceForWindow(procs, _instance, buffer.Data());
+
+ fprintf(stderr, "_createSwapChain 2\n");
+ WGPUSwapChainDescriptor swapChainDesc = {};
+ swapChainDesc.usage = WGPUTextureUsage_RenderAttachment;
+ swapChainDesc.format = WGPUTextureFormat_BGRA8Unorm;
+ swapChainDesc.width = _window.Get("pixelWidth").ToNumber().Uint32Value();
+ fprintf(stderr, "_createSwapChain 3\n");
+ swapChainDesc.height = _window.Get("pixelHeight").ToNumber().Uint32Value();
+
+ fprintf(stderr, "_createSwapChain 4\n");
+ swapChainDesc.presentMode = WGPUPresentMode_Mailbox;
+
+ fprintf(stderr, "_createSwapChain 5\n");
+ // _swapChain = procs.deviceCreateSwapChain(_device, surface, &swapChainDesc);
+
+ fprintf(stderr, "_createSwapChain 6\n");
+ }
+};
+
+Napi::FunctionReference Renderer::constructor;
+
+Napi::Value RenderGPUDeviceToWindow(const Napi::CallbackInfo& info) {
+ const Napi::Env& env = info.Env();
+
+ if (info.Length() != 1) {
+ Napi::Error::New(env, "renderGPUDeviceToWindow expects exactly 1 argument").ThrowAsJavaScriptException();
+ return env.Undefined();
+ }
+ Napi::Value jsArg = info[0];
+
+ if (!jsArg.IsObject()) {
+ Napi::Error::New(env, "argument to renderGPUDeviceToWindow must be an object").ThrowAsJavaScriptException();
+ return env.Undefined();
+ }
+ Napi::Object jsObj = jsArg.ToObject();
+
+ Napi::Value jsDevice = jsObj.Get("device");
+ if (!jsDevice.IsObject()) {
+ Napi::Error::New(env, "device argument to renderGPUDeviceToWindow must be an object").ThrowAsJavaScriptException();
+ return env.Undefined();
+ }
+
+ Napi::Value jsWindow = jsObj.Get("window");
+ if (!jsWindow.IsObject()) {
+ Napi::Error::New(env, "window argument to renderGPUDeviceToWindow must be an object").ThrowAsJavaScriptException();
+ return env.Undefined();
+ }
+
+ return Renderer::NewInstance(env, jsDevice, jsWindow);
+}
+
#ifdef DAWN_EMIT_COVERAGE
struct Coverage {
Coverage() : output_path_{GetOutputPath()} {
@@ -106,7 +246,8 @@ struct Coverage {
// object.
NAPI_MODULE_EXPORT Napi::Object Initialize(Napi::Env env, Napi::Object exports) {
// Set all the Dawn procedure function pointers.
- dawnProcSetProcs(&dawn::native::GetProcs());
+ procs = dawn::native::GetProcs();
+ dawnProcSetProcs(&procs);
// Register all the interop types
exports.Set(Napi::String::New(env, "globals"), wgpu::interop::Initialize(env));
@@ -114,6 +255,10 @@ NAPI_MODULE_EXPORT Napi::Object Initialize(Napi::Env env, Napi::Object exports)
// Export function that creates and returns the wgpu::interop::GPU interface
exports.Set(Napi::String::New(env, "create"), Napi::Function::New<CreateGPU>(env));
+ exports.Set(Napi::String::New(env, "renderGPUDeviceToWindow"), Napi::Function::New<RenderGPUDeviceToWindow>(env));
+
+ Renderer::Init(env);
+
#ifdef DAWN_EMIT_COVERAGE
Coverage* coverage = new Coverage();
auto coverage_provider = Napi::Object::New(env);
diff --git a/src/dawn/node/binding/GPUDevice.h b/src/dawn/node/binding/GPUDevice.h
index 82fc4e1e..be31c203 100644
--- a/src/dawn/node/binding/GPUDevice.h
+++ b/src/dawn/node/binding/GPUDevice.h
@@ -114,11 +114,12 @@ class GPUDevice final : public interop::GPUDevice {
std::optional<std::variant<interop::EventListenerOptions, bool>> options) override;
bool dispatchEvent(Napi::Env, interop::Interface<interop::Event> event) override;
+ wgpu::Device device_;
+
private:
void QueueTick();
Napi::Env env_;
- wgpu::Device device_;
std::shared_ptr<AsyncRunner> async_;
// This promise's JS object lives as long as the device because it is stored in .lost
diff --git a/src/dawn/samples/CMakeLists.txt b/src/dawn/samples/CMakeLists.txt
index 1a043f7f..c7fa91ea 100644
--- a/src/dawn/samples/CMakeLists.txt
+++ b/src/dawn/samples/CMakeLists.txt
@@ -62,4 +62,3 @@ target_link_libraries(Animometer dawn_sample_utils)
add_executable(DawnInfo "DawnInfo.cpp")
common_compile_options(DawnInfo)
target_link_libraries(DawnInfo dawn_sample_utils)
-
diff --git a/src/dawn/sdl/BUILD.gn b/src/dawn/sdl/BUILD.gn
new file mode 100644
index 00000000..e21b8881
--- /dev/null
+++ b/src/dawn/sdl/BUILD.gn
@@ -0,0 +1,50 @@
+# Copyright 2022 The Dawn & Tint Authors
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+# 1. Redistributions of source code must retain the above copyright notice, this
+# list of conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above copyright notice,
+# this list of conditions and the following disclaimer in the documentation
+# and/or other materials provided with the distribution.
+#
+# 3. Neither the name of the copyright holder nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import("../../../scripts/dawn_overrides_with_defaults.gni")
+
+import("${dawn_root}/scripts/dawn_component.gni")
+import("${dawn_root}/scripts/dawn_features.gni")
+
+###############################################################################
+# SDL utils
+###############################################################################
+
+static_library("sdl") {
+ defines = [ "WGPU_SDL_IMPLEMENTATION" ]
+
+ sources = [ "utils.cpp" ]
+ deps = [
+ "${dawn_root}/src/dawn:cpp",
+ "${dawn_root}/src/dawn:proc",
+ "${dawn_root}/src/dawn/common",
+ ]
+
+ public_deps = [
+ "${dawn_root}/include/dawn:cpp_headers",
+ ]
+}
diff --git a/src/dawn/sdl/CMakeLists.txt b/src/dawn/sdl/CMakeLists.txt
new file mode 100644
index 00000000..f8f8a79c
--- /dev/null
+++ b/src/dawn/sdl/CMakeLists.txt
@@ -0,0 +1,49 @@
+# Copyright 2022 The Dawn & Tint Authors
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+# 1. Redistributions of source code must retain the above copyright notice, this
+# list of conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above copyright notice,
+# this list of conditions and the following disclaimer in the documentation
+# and/or other materials provided with the distribution.
+#
+# 3. Neither the name of the copyright holder nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+add_library(dawn_sdl STATIC ${DAWN_PLACEHOLDER_FILE})
+common_compile_options(dawn_sdl)
+target_sources(dawn_sdl
+ INTERFACE
+ "${DAWN_INCLUDE_DIR}/webgpu/webgpu_sdl.h"
+ PRIVATE
+ "utils.cpp"
+)
+target_link_libraries(dawn_sdl
+ PUBLIC
+ dawncpp_headers
+ dawn_common
+ PRIVATE
+ dawn_internal_config
+)
+
+target_compile_definitions(dawn_sdl PRIVATE "WGPU_IMPLEMENTATION")
+if(BUILD_SHARED_LIBS)
+ target_compile_definitions(dawn_sdl PRIVATE "WGPU_SHARED_LIBRARY")
+endif()
+
+add_library(webgpu_sdl ALIAS dawn_sdl)
diff --git a/src/dawn/sdl/utils.cpp b/src/dawn/sdl/utils.cpp
new file mode 100644
index 00000000..711782d9
--- /dev/null
+++ b/src/dawn/sdl/utils.cpp
@@ -0,0 +1,92 @@
+// Copyright 2020 The Dawn & Tint Authors
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are met:
+//
+// 1. Redistributions of source code must retain the above copyright notice, this
+// list of conditions and the following disclaimer.
+//
+// 2. Redistributions in binary form must reproduce the above copyright notice,
+// this list of conditions and the following disclaimer in the documentation
+// and/or other materials provided with the distribution.
+//
+// 3. Neither the name of the copyright holder nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include <cstdlib>
+#include <memory>
+#include <utility>
+
+#include "dawn/dawn_proc.h"
+#include "dawn/common/Log.h"
+#include "dawn/common/Platform.h"
+#include "webgpu/webgpu_sdl.h"
+
+namespace wgpu::sdl {
+
+#if DAWN_PLATFORM_IS(WINDOWS)
+ #include <windows.h>
+ struct NativeData {
+ HWND hwnd;
+ HINSTANCE hinstance;
+ };
+#elif defined(DAWN_ENABLE_BACKEND_METAL)
+ class CALayer;
+ struct NativeData {
+ CALayer *layer;
+ };
+#elif defined(DAWN_USE_X11)
+ #include <X11/Xlib.h>
+ struct NativeData {
+ Display* display;
+ Window window;
+ };
+#endif
+
+std::unique_ptr<wgpu::ChainedStruct> SetupWindowAndGetSurfaceDescriptor(void* native) {
+#if DAWN_PLATFORM_IS(WINDOWS)
+ std::unique_ptr<wgpu::SurfaceDescriptorFromWindowsHWND> desc =
+ std::make_unique<wgpu::SurfaceDescriptorFromWindowsHWND>();
+ desc->hwnd = ((NativeData*) native)->hwnd;
+ desc->hinstance = ((NativeData*) native)->hinstance;
+ return std::move(desc);
+#elif defined(DAWN_ENABLE_BACKEND_METAL)
+ std::unique_ptr<wgpu::SurfaceDescriptorFromMetalLayer> desc =
+ std::make_unique<wgpu::SurfaceDescriptorFromMetalLayer>();
+ desc->layer = ((NativeData*) native)->layer;
+ return std::move(desc);
+#elif defined(DAWN_USE_X11)
+ std::unique_ptr<wgpu::SurfaceDescriptorFromXlibWindow> desc =
+ std::make_unique<wgpu::SurfaceDescriptorFromXlibWindow>();
+ desc->display = ((NativeData*) native)->display;
+ desc->window = ((NativeData*) native)->window;
+ return std::move(desc);
+#else
+ return nullptr;
+#endif
+}
+
+WGPUSurface CreateSurfaceForWindow(DawnProcTable &procs, const WGPUInstance& instance, void* window) {
+ std::unique_ptr<wgpu::ChainedStruct> chainedDescriptor =
+ SetupWindowAndGetSurfaceDescriptor(window);
+
+ WGPUSurfaceDescriptor surfaceDesc;
+ surfaceDesc.nextInChain = reinterpret_cast<WGPUChainedStruct*>(chainedDescriptor.get());
+ WGPUSurface surface = procs.instanceCreateSurface(instance, &surfaceDesc);
+
+ return surface;
+}
+
+} // namespace wgpu::sdl