initial commit, 4.5 stable

platform/windows/rendering_context_driver_vulkan_windows.cpp

@@ -0,0 +1,71 @@
+/**************************************************************************/
+/*  rendering_context_driver_vulkan_windows.cpp                           */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#if defined(WINDOWS_ENABLED) && defined(VULKAN_ENABLED)
+
+#include "core/os/os.h"
+
+#include "rendering_context_driver_vulkan_windows.h"
+
+#include "drivers/vulkan/godot_vulkan.h"
+
+const char *RenderingContextDriverVulkanWindows::_get_platform_surface_extension() const {
+	return VK_KHR_WIN32_SURFACE_EXTENSION_NAME;
+}
+
+RenderingContextDriverVulkanWindows::RenderingContextDriverVulkanWindows() {
+	// Workaround for Vulkan not working on setups with AMD integrated graphics + NVIDIA dedicated GPU (GH-57708).
+	// This prevents using AMD integrated graphics with Vulkan entirely, but it allows the engine to start
+	// even on outdated/broken driver setups.
+	OS::get_singleton()->set_environment("DISABLE_LAYER_AMD_SWITCHABLE_GRAPHICS_1", "1");
+}
+
+RenderingContextDriverVulkanWindows::~RenderingContextDriverVulkanWindows() {
+	// Does nothing.
+}
+
+RenderingContextDriver::SurfaceID RenderingContextDriverVulkanWindows::surface_create(const void *p_platform_data) {
+	const WindowPlatformData *wpd = (const WindowPlatformData *)(p_platform_data);
+
+	VkWin32SurfaceCreateInfoKHR create_info = {};
+	create_info.sType = VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR;
+	create_info.hinstance = wpd->instance;
+	create_info.hwnd = wpd->window;
+
+	VkSurfaceKHR vk_surface = VK_NULL_HANDLE;
+	VkResult err = vkCreateWin32SurfaceKHR(instance_get(), &create_info, get_allocation_callbacks(VK_OBJECT_TYPE_SURFACE_KHR), &vk_surface);
+	ERR_FAIL_COND_V(err != VK_SUCCESS, SurfaceID());
+
+	Surface *surface = memnew(Surface);
+	surface->vk_surface = vk_surface;
+	return SurfaceID(surface);
+}
+
+#endif // WINDOWS_ENABLED && VULKAN_ENABLED