1 /*
2 This file is part of Warzone 2100.
3 Copyright (C) 2019 Warzone 2100 Project
4
5 Warzone 2100 is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
9
10 Warzone 2100 is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with Warzone 2100; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18 */
19
20 #include "gfx_api_sdl.h"
21 #include "gfx_api_null_sdl.h"
22 #include "gfx_api_gl_sdl.h"
23 #include "gfx_api_vk_sdl.h"
24 #include <SDL_version.h>
25 #include <SDL_messagebox.h>
26
SDL_gfx_api_Impl_Factory(SDL_Window * _window,SDL_gfx_api_Impl_Factory::Configuration _config)27 SDL_gfx_api_Impl_Factory::SDL_gfx_api_Impl_Factory(SDL_Window* _window, SDL_gfx_api_Impl_Factory::Configuration _config)
28 {
29 window = _window;
30 config = _config;
31 }
32
createNullBackendImpl() const33 std::unique_ptr<gfx_api::backend_Null_Impl> SDL_gfx_api_Impl_Factory::createNullBackendImpl() const
34 {
35 return std::unique_ptr<gfx_api::backend_Null_Impl>(new sdl_Null_Impl());
36 }
37
createOpenGLBackendImpl() const38 std::unique_ptr<gfx_api::backend_OpenGL_Impl> SDL_gfx_api_Impl_Factory::createOpenGLBackendImpl() const
39 {
40 ASSERT(window != nullptr, "Invalid SDL_Window*");
41 return std::unique_ptr<gfx_api::backend_OpenGL_Impl>(new sdl_OpenGL_Impl(window, config.useOpenGLES, config.useOpenGLESLibrary));
42 }
43
44 #if defined(WZ_VULKAN_ENABLED)
createVulkanBackendImpl() const45 std::unique_ptr<gfx_api::backend_Vulkan_Impl> SDL_gfx_api_Impl_Factory::createVulkanBackendImpl() const
46 {
47 ASSERT(window != nullptr, "Invalid SDL_Window*");
48 #if defined(HAVE_SDL_VULKAN_H)
49 return std::unique_ptr<gfx_api::backend_Vulkan_Impl>(new sdl_Vulkan_Impl(window));
50 #else // !defined(HAVE_SDL_VULKAN_H)
51 SDL_version compiled_version;
52 SDL_VERSION(&compiled_version);
53 debug(LOG_ERROR, "The version of SDL used for compilation (%u.%u.%u) did not have the \"SDL_vulkan.h\" header", (unsigned int)compiled_version.major, (unsigned int)compiled_version.minor, (unsigned int)compiled_version.patch);
54
55 char errorMessage[512];
56 ssprintf(errorMessage, "Unable to initialize SDL Vulkan implementation.\nThe version of SDL used for compilation (%u.%u.%u) did not have the \"SDL_vulkan.h\" header", (unsigned int)compiled_version.major, (unsigned int)compiled_version.minor, (unsigned int)compiled_version.patch);
57
58 SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR,
59 "Error: SDL Vulkan init",
60 errorMessage,
61 window);
62
63 return std::unique_ptr<gfx_api::backend_Vulkan_Impl>();
64 #endif
65 }
66 #endif
67