dawn-cmake/src/dawn/glfw/utils.cpp

86 lines
2.9 KiB
C++

// Copyright 2020 The Dawn Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <cstdlib>
#include <memory>
#include <utility>
#include "GLFW/glfw3.h"
#include "dawn/common/Platform.h"
#include "webgpu/webgpu_glfw.h"
#if DAWN_PLATFORM_IS(WINDOWS)
#define GLFW_EXPOSE_NATIVE_WIN32
#endif
#if defined(DAWN_USE_X11)
#define GLFW_EXPOSE_NATIVE_X11
#endif
#if defined(DAWN_USE_WAYLAND)
#define GLFW_EXPOSE_NATIVE_WAYLAND
#endif
#include "GLFW/glfw3native.h"
namespace wgpu::glfw {
wgpu::Surface CreateSurfaceForWindow(const wgpu::Instance& instance, GLFWwindow* window) {
std::unique_ptr<wgpu::ChainedStruct> chainedDescriptor =
SetupWindowAndGetSurfaceDescriptor(window);
wgpu::SurfaceDescriptor descriptor;
descriptor.nextInChain = chainedDescriptor.get();
wgpu::Surface surface = instance.CreateSurface(&descriptor);
return surface;
}
// SetupWindowAndGetSurfaceDescriptorCocoa defined in GLFWUtils_metal.mm
std::unique_ptr<wgpu::ChainedStruct> SetupWindowAndGetSurfaceDescriptorCocoa(GLFWwindow* window);
std::unique_ptr<wgpu::ChainedStruct> SetupWindowAndGetSurfaceDescriptor(GLFWwindow* window) {
#if DAWN_PLATFORM_IS(WINDOWS)
std::unique_ptr<wgpu::SurfaceDescriptorFromWindowsHWND> desc =
std::make_unique<wgpu::SurfaceDescriptorFromWindowsHWND>();
desc->hwnd = glfwGetWin32Window(window);
desc->hinstance = GetModuleHandle(nullptr);
return std::move(desc);
#elif defined(DAWN_ENABLE_BACKEND_METAL)
return SetupWindowAndGetSurfaceDescriptorCocoa(window);
#elif defined(DAWN_USE_WAYLAND) || defined(DAWN_USE_X11)
#if defined(GLFW_PLATFORM_WAYLAND) && defined(DAWN_USE_WAYLAND)
if (glfwGetPlatform() == GLFW_PLATFORM_WAYLAND) {
std::unique_ptr<wgpu::SurfaceDescriptorFromWaylandSurface> desc =
std::make_unique<wgpu::SurfaceDescriptorFromWaylandSurface>();
desc->display = glfwGetWaylandDisplay();
desc->surface = glfwGetWaylandWindow(window);
return std::move(desc);
} else // NOLINT(readability/braces)
#endif
#if defined(DAWN_USE_X11)
{
std::unique_ptr<wgpu::SurfaceDescriptorFromXlibWindow> desc =
std::make_unique<wgpu::SurfaceDescriptorFromXlibWindow>();
desc->display = glfwGetX11Display();
desc->window = glfwGetX11Window(window);
return std::move(desc);
}
#else
{ return nullptr; }
#endif
#else
return nullptr;
#endif
}
} // namespace wgpu::glfw