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// 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 "GLFW/glfw3.h"
#include "dawn/common/Log.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 (glfwGetWindowAttrib(window, GLFW_CLIENT_API) != GLFW_NO_API) {
dawn::ErrorLog() << "GL context was created on the window. Disable context creation by "
"setting the GLFW_CLIENT_API hint to GLFW_NO_API.";
return nullptr;
}
#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