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- // The MIT License(MIT)
- //
- // Copyright(c) 2022 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
- //
- // 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.
- #include <filesystem>
- #include <iostream>
- #include "AppRenderer.h"
- #include "DeviceResources.h"
- #include "UIRenderer.h"
- static void glfw_error_callback(int error, const char* description)
- {
- fprintf(stderr, "glfw error: %d %s\n", error, description);
- assert(0);
- }
- int main(int argc, char* argv[])
- {
- // Resources
- std::string mediaFolder = "media/images/";
- if (!std::filesystem::exists(mediaFolder))
- mediaFolder = "media/images/";
- if (!std::filesystem::exists(mediaFolder))
- mediaFolder = "../../media/images/";
- glfwSetErrorCallback(glfw_error_callback);
- if (glfwInit() == GLFW_FALSE)
- {
- fprintf(stderr, "glfwInit() failed\n");
- exit(EXIT_FAILURE);
- }
- glfwWindowHint(GLFW_SCALE_TO_MONITOR, GLFW_TRUE);
- // Don't need OpenGL context
- glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
- auto app_name = "NVIDIA Image Scaling Vulkan Demo";
- GLFWwindow* hwnd = glfwCreateWindow(256, 256, app_name, nullptr, nullptr);
- if (!hwnd)
- {
- glfwTerminate();
- exit(EXIT_FAILURE);
- }
- DeviceResources deviceResources;
- UIData uiData;
- deviceResources.create(hwnd);
- // Show window and force resize similiar to ::UpdateWindow() in DX11 sample
- glfwShowWindow(hwnd);
- glfwFocusWindow(hwnd);
- glfwSetWindowSize(hwnd, 1280, 1080);
- // UI settings
- uiData.Files = getFiles(mediaFolder);
- if (uiData.Files.size() == 0)
- throw std::runtime_error("No media files");
- uiData.FileName = uiData.Files[0].filename().string();
- uiData.FilePath = uiData.Files[0];
- std::vector<std::string> shaderPaths{ "NIS/", "../../../NIS/", "." };
- bool useGlsl = false;
- AppRenderer appRenderer(deviceResources, uiData, shaderPaths, useGlsl);
- UIRenderer uiRenderer(hwnd, deviceResources, uiData);
- FPS m_fps;
- while (!glfwWindowShouldClose(hwnd))
- {
- glfwPollEvents();
- m_fps.update();
- deviceResources.update();
- uiRenderer.update(m_fps.fps());
- if (appRenderer.update())
- {
- glfwSetWindowSize(hwnd, appRenderer.width(), appRenderer.height());
- }
- deviceResources.beginRender();
- appRenderer.render();
- uiRenderer.render();
- deviceResources.present(uiData.EnableVsync /*ignored*/, 0);
- appRenderer.present();
- }
- uiRenderer.cleanUp();
- appRenderer.cleanUp();
- deviceResources.cleanUp();
- glfwDestroyWindow(hwnd);
- glfwTerminate();
- return EXIT_SUCCESS;
- }
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