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/**************************************************************************/
/*  vulkan_context_android.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.                 */
/**************************************************************************/

#ifdef VULKAN_ENABLED

#include "vulkan_context_android.h"

#ifdef USE_VOLK
#include <volk.h>
#else
#include <vulkan/vulkan.h>
#endif

const char *VulkanContextAndroid::_get_platform_surface_extension() const {
	return VK_KHR_ANDROID_SURFACE_EXTENSION_NAME;
}

Error VulkanContextAndroid::window_create(ANativeWindow *p_window, DisplayServer::VSyncMode p_vsync_mode, int p_width, int p_height) {
	VkAndroidSurfaceCreateInfoKHR createInfo;
	createInfo.sType = VK_STRUCTURE_TYPE_ANDROID_SURFACE_CREATE_INFO_KHR;
	createInfo.pNext = nullptr;
	createInfo.flags = 0;
	createInfo.window = p_window;

	VkSurfaceKHR surface;
	VkResult err = vkCreateAndroidSurfaceKHR(get_instance(), &createInfo, nullptr, &surface);
	if (err != VK_SUCCESS) {
		ERR_FAIL_V_MSG(ERR_CANT_CREATE, "vkCreateAndroidSurfaceKHR failed with error " + itos(err));
	}

	return _window_create(DisplayServer::MAIN_WINDOW_ID, p_vsync_mode, surface, p_width, p_height);
}

bool VulkanContextAndroid::_use_validation_layers() {
	uint32_t count = 0;
	_get_preferred_validation_layers(&count, nullptr);

	// On Android, we use validation layers automatically if they were explicitly linked with the app.
	return count > 0;
}

#endif // VULKAN_ENABLED