mirror of
https://github.com/ZDoom/Raze.git
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499ed52972
Although a bit overkill for single player saves only, this will ensure consistent behavior between both engines regarding the menu.
763 lines
18 KiB
C++
763 lines
18 KiB
C++
/*
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** sdlglvideo.cpp
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**
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**---------------------------------------------------------------------------
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** Copyright 2005-2016 Christoph Oelckers et.al.
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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**
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**---------------------------------------------------------------------------
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**
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*/
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// HEADER FILES ------------------------------------------------------------
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#include "i_module.h"
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#include "i_soundinternal.h"
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#include "i_system.h"
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#include "i_video.h"
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#include "m_argv.h"
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#include "v_video.h"
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#include "version.h"
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#include "c_console.h"
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#include "c_dispatch.h"
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#include "printf.h"
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#include "hardware.h"
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#include "gl_sysfb.h"
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#include "gl_system.h"
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#include "gl_renderer.h"
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#include "gl_framebuffer.h"
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#ifdef HAVE_VULKAN
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#include "vulkan/system/vk_framebuffer.h"
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#endif
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#ifdef HAVE_SOFTPOLY
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#include "poly_framebuffer.h"
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#endif
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// MACROS ------------------------------------------------------------------
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#if defined HAVE_VULKAN
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#include <SDL_vulkan.h>
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#endif // HAVE_VULKAN
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// TYPES -------------------------------------------------------------------
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// PUBLIC FUNCTION PROTOTYPES ----------------------------------------------
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// PRIVATE FUNCTION PROTOTYPES ---------------------------------------------
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// EXTERNAL DATA DECLARATIONS ----------------------------------------------
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extern IVideo *Video;
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EXTERN_CVAR (Int, vid_adapter)
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EXTERN_CVAR (Int, vid_displaybits)
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EXTERN_CVAR (Int, vid_defwidth)
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EXTERN_CVAR (Int, vid_defheight)
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EXTERN_CVAR (Int, vid_preferbackend)
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EXTERN_CVAR (Bool, cl_capfps)
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// PUBLIC DATA DEFINITIONS -------------------------------------------------
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CUSTOM_CVAR(Bool, gl_debug, false, CVAR_ARCHIVE | CVAR_GLOBALCONFIG | CVAR_NOINITCALL)
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{
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Printf("This won't take effect until " GAMENAME " is restarted.\n");
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}
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CUSTOM_CVAR(Bool, gl_es, false, CVAR_ARCHIVE | CVAR_GLOBALCONFIG | CVAR_NOINITCALL)
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{
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Printf("This won't take effect until " GAMENAME " is restarted.\n");
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}
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CVAR(Bool, i_soundinbackground, false, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
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CVAR (Int, vid_adapter, 0, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
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CUSTOM_CVAR(String, vid_sdl_render_driver, "", CVAR_ARCHIVE | CVAR_GLOBALCONFIG | CVAR_NOINITCALL)
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{
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Printf("This won't take effect until " GAMENAME " is restarted.\n");
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}
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CCMD(vid_list_sdl_render_drivers)
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{
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for (int i = 0; i < SDL_GetNumRenderDrivers(); ++i)
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{
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SDL_RendererInfo info;
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if (SDL_GetRenderDriverInfo(i, &info) == 0)
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Printf("%s\n", info.name);
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}
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}
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// PRIVATE DATA DEFINITIONS ------------------------------------------------
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namespace Priv
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{
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static const uint32_t VulkanWindowFlag = SDL_WINDOW_VULKAN;
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SDL_Window *window;
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bool vulkanEnabled;
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bool softpolyEnabled;
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bool fullscreenSwitch;
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void CreateWindow(uint32_t extraFlags)
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{
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assert(Priv::window == nullptr);
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// Set default size
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SDL_Rect bounds;
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SDL_GetDisplayBounds(vid_adapter, &bounds);
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if (win_w <= 0 || win_h <= 0)
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{
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win_w = bounds.w * 8 / 10;
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win_h = bounds.h * 8 / 10;
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}
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FString caption;
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caption.Format(GAMENAME " %s (%s)", GetVersionString(), GetGitTime());
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const uint32_t windowFlags = (win_maximized ? SDL_WINDOW_MAXIMIZED : 0) | SDL_WINDOW_RESIZABLE | extraFlags;
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Priv::window = SDL_CreateWindow(caption,
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(win_x <= 0) ? SDL_WINDOWPOS_CENTERED_DISPLAY(vid_adapter) : win_x,
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(win_y <= 0) ? SDL_WINDOWPOS_CENTERED_DISPLAY(vid_adapter) : win_y,
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win_w, win_h, windowFlags);
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if (Priv::window != nullptr)
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{
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// Enforce minimum size limit
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SDL_SetWindowMinimumSize(Priv::window, VID_MIN_WIDTH, VID_MIN_HEIGHT);
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}
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}
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void DestroyWindow()
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{
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assert(Priv::window != nullptr);
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SDL_DestroyWindow(Priv::window);
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Priv::window = nullptr;
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}
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void SetupPixelFormat(int multisample, const int *glver)
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{
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SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24);
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SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 8);
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SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
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if (multisample > 0) {
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SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 1);
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SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, multisample);
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}
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if (gl_debug)
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SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, SDL_GL_CONTEXT_DEBUG_FLAG);
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if (gl_es)
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{
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SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_ES);
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SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2);
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SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0);
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}
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else if (glver[0] > 2)
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{
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SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
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SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, glver[0]);
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SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, glver[1]);
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}
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else
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{
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SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_COMPATIBILITY);
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SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2);
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SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0);
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}
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}
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}
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class SDLVideo : public IVideo
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{
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public:
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SDLVideo ();
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~SDLVideo ();
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DFrameBuffer *CreateFrameBuffer ();
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private:
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#ifdef HAVE_VULKAN
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VulkanDevice *device = nullptr;
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#endif
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};
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// CODE --------------------------------------------------------------------
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#ifdef HAVE_VULKAN
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void I_GetVulkanDrawableSize(int *width, int *height)
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{
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assert(Priv::vulkanEnabled);
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assert(Priv::window != nullptr);
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SDL_Vulkan_GetDrawableSize(Priv::window, width, height);
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}
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bool I_GetVulkanPlatformExtensions(unsigned int *count, const char **names)
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{
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assert(Priv::vulkanEnabled);
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assert(Priv::window != nullptr);
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return SDL_Vulkan_GetInstanceExtensions(Priv::window, count, names) == SDL_TRUE;
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}
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bool I_CreateVulkanSurface(VkInstance instance, VkSurfaceKHR *surface)
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{
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assert(Priv::vulkanEnabled);
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assert(Priv::window != nullptr);
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return SDL_Vulkan_CreateSurface(Priv::window, instance, surface) == SDL_TRUE;
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}
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#endif
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#ifdef HAVE_SOFTPOLY
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namespace
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{
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SDL_Renderer* polyrendertarget = nullptr;
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SDL_Texture* polytexture = nullptr;
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int polytexturew = 0;
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int polytextureh = 0;
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bool polyvsync = false;
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bool polyfirstinit = true;
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}
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void I_PolyPresentInit()
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{
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assert(Priv::softpolyEnabled);
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assert(Priv::window != nullptr);
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if (strcmp(vid_sdl_render_driver, "") != 0)
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{
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SDL_SetHint(SDL_HINT_RENDER_DRIVER, vid_sdl_render_driver);
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}
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}
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uint8_t *I_PolyPresentLock(int w, int h, bool vsync, int &pitch)
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{
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// When vsync changes we need to reinitialize
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if (polyrendertarget && polyvsync != vsync)
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{
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I_PolyPresentDeinit();
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}
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if (!polyrendertarget)
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{
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polyvsync = vsync;
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polyrendertarget = SDL_CreateRenderer(Priv::window, -1, vsync ? SDL_RENDERER_PRESENTVSYNC : 0);
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if (!polyrendertarget)
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{
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I_FatalError("Could not create render target for softpoly: %s\n", SDL_GetError());
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}
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// Tell the user which render driver is being used, but don't repeat
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// outselves if we're just changing vsync.
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if (polyfirstinit)
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{
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polyfirstinit = false;
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SDL_RendererInfo rendererInfo;
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if (SDL_GetRendererInfo(polyrendertarget, &rendererInfo) == 0)
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{
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Printf("Using render driver %s\n", rendererInfo.name);
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}
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else
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{
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Printf("Failed to query render driver\n");
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}
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}
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// Mask color
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SDL_SetRenderDrawColor(polyrendertarget, 0, 0, 0, 255);
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}
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if (!polytexture || polytexturew != w || polytextureh != h)
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{
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if (polytexture)
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{
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SDL_DestroyTexture(polytexture);
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polytexture = nullptr;
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polytexturew = polytextureh = 0;
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}
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if ((polytexture = SDL_CreateTexture(polyrendertarget, SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_STREAMING, w, h)) == nullptr)
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I_Error("Failed to create %dx%d render target texture.", w, h);
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polytexturew = w;
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polytextureh = h;
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}
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uint8_t* pixels;
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SDL_LockTexture(polytexture, nullptr, (void**)&pixels, &pitch);
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return pixels;
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}
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void I_PolyPresentUnlock(int x, int y, int width, int height)
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{
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SDL_UnlockTexture(polytexture);
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int ClientWidth, ClientHeight;
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SDL_GetRendererOutputSize(polyrendertarget, &ClientWidth, &ClientHeight);
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SDL_Rect clearrects[4];
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int count = 0;
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if (y > 0)
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{
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clearrects[count].x = 0;
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clearrects[count].y = 0;
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clearrects[count].w = ClientWidth;
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clearrects[count].h = y;
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count++;
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}
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if (y + height < ClientHeight)
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{
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clearrects[count].x = 0;
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clearrects[count].y = y + height;
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clearrects[count].w = ClientWidth;
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clearrects[count].h = ClientHeight - clearrects[count].y;
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count++;
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}
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if (x > 0)
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{
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clearrects[count].x = 0;
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clearrects[count].y = y;
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clearrects[count].w = x;
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clearrects[count].h = height;
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count++;
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}
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if (x + width < ClientWidth)
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{
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clearrects[count].x = x + width;
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clearrects[count].y = y;
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clearrects[count].w = ClientWidth - clearrects[count].x;
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clearrects[count].h = height;
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count++;
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}
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if (count > 0)
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SDL_RenderFillRects(polyrendertarget, clearrects, count);
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SDL_Rect dstrect;
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dstrect.x = x;
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dstrect.y = y;
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dstrect.w = width;
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dstrect.h = height;
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SDL_RenderCopy(polyrendertarget, polytexture, nullptr, &dstrect);
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SDL_RenderPresent(polyrendertarget);
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}
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void I_PolyPresentDeinit()
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{
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if (polytexture)
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{
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SDL_DestroyTexture(polytexture);
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polytexture = nullptr;
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}
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if (polyrendertarget)
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{
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SDL_DestroyRenderer(polyrendertarget);
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polyrendertarget = nullptr;
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}
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}
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#endif
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SDLVideo::SDLVideo ()
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{
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if (SDL_Init(SDL_INIT_VIDEO) < 0)
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{
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fprintf(stderr, "Video initialization failed: %s\n", SDL_GetError());
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return;
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}
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// Fail gracefully if we somehow reach here after linking against a SDL2 library older than 2.0.6.
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SDL_version sdlver;
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SDL_GetVersion(&sdlver);
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if (!(sdlver.patch >= 6))
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{
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I_FatalError("Only SDL 2.0.6 or later is supported.");
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}
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#ifdef HAVE_SOFTPOLY
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Priv::softpolyEnabled = vid_preferbackend == 2;
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#endif
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#ifdef HAVE_VULKAN
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Priv::vulkanEnabled = vid_preferbackend == 1;
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if (Priv::vulkanEnabled)
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{
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Priv::CreateWindow(Priv::VulkanWindowFlag | SDL_WINDOW_HIDDEN);
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if (Priv::window == nullptr)
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{
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Priv::vulkanEnabled = false;
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}
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}
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#endif
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#ifdef HAVE_SOFTPOLY
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if (Priv::softpolyEnabled)
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{
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Priv::CreateWindow(SDL_WINDOW_HIDDEN);
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if (Priv::window == nullptr)
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{
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I_FatalError("Could not create SoftPoly window:\n%s\n",SDL_GetError());
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}
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}
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#endif
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}
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SDLVideo::~SDLVideo ()
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{
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#ifdef HAVE_VULKAN
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delete device;
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#endif
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}
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DFrameBuffer *SDLVideo::CreateFrameBuffer ()
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{
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SystemBaseFrameBuffer *fb = nullptr;
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// first try Vulkan, if that fails OpenGL
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#ifdef HAVE_VULKAN
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if (Priv::vulkanEnabled)
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{
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try
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{
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assert(device == nullptr);
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device = new VulkanDevice();
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fb = new VulkanFrameBuffer(nullptr, vid_fullscreen, device);
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}
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catch (CVulkanError const &error)
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{
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if (Priv::window != nullptr)
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{
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Priv::DestroyWindow();
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}
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Printf(TEXTCOLOR_RED "Initialization of Vulkan failed: %s\n", error.what());
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Priv::vulkanEnabled = false;
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}
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}
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#endif
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#ifdef HAVE_SOFTPOLY
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if (Priv::softpolyEnabled)
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{
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fb = new PolyFrameBuffer(nullptr, vid_fullscreen);
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}
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#endif
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if (fb == nullptr)
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{
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fb = new OpenGLRenderer::OpenGLFrameBuffer(0, vid_fullscreen);
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}
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return fb;
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}
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IVideo *gl_CreateVideo()
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{
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return new SDLVideo();
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}
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// FrameBuffer Implementation -----------------------------------------------
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SystemBaseFrameBuffer::SystemBaseFrameBuffer (void *, bool fullscreen)
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: DFrameBuffer (vid_defwidth, vid_defheight)
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{
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if (Priv::window != nullptr)
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{
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SDL_SetWindowFullscreen(Priv::window, fullscreen ? SDL_WINDOW_FULLSCREEN_DESKTOP : 0);
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SDL_ShowWindow(Priv::window);
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}
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}
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int SystemBaseFrameBuffer::GetClientWidth()
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{
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int width = 0;
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#ifdef HAVE_SOFTPOLY
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if (Priv::softpolyEnabled)
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{
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if (polyrendertarget)
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SDL_GetRendererOutputSize(polyrendertarget, &width, nullptr);
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else
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SDL_GetWindowSize(Priv::window, &width, nullptr);
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return width;
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}
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#endif
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#ifdef HAVE_VULKAN
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assert(Priv::vulkanEnabled);
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SDL_Vulkan_GetDrawableSize(Priv::window, &width, nullptr);
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#endif
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return width;
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}
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int SystemBaseFrameBuffer::GetClientHeight()
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{
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int height = 0;
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#ifdef HAVE_SOFTPOLY
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if (Priv::softpolyEnabled)
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{
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if (polyrendertarget)
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SDL_GetRendererOutputSize(polyrendertarget, nullptr, &height);
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else
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SDL_GetWindowSize(Priv::window, nullptr, &height);
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return height;
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}
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#endif
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#ifdef HAVE_VULKAN
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assert(Priv::vulkanEnabled);
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SDL_Vulkan_GetDrawableSize(Priv::window, nullptr, &height);
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#endif
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return height;
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}
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bool SystemBaseFrameBuffer::IsFullscreen ()
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{
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return (SDL_GetWindowFlags(Priv::window) & SDL_WINDOW_FULLSCREEN_DESKTOP) != 0;
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}
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void SystemBaseFrameBuffer::ToggleFullscreen(bool yes)
|
|
{
|
|
SDL_SetWindowFullscreen(Priv::window, yes ? SDL_WINDOW_FULLSCREEN_DESKTOP : 0);
|
|
if ( !yes )
|
|
{
|
|
if ( !Priv::fullscreenSwitch )
|
|
{
|
|
Priv::fullscreenSwitch = true;
|
|
vid_fullscreen = false;
|
|
}
|
|
else
|
|
{
|
|
Priv::fullscreenSwitch = false;
|
|
SetWindowSize(win_w, win_h);
|
|
}
|
|
}
|
|
}
|
|
|
|
void SystemBaseFrameBuffer::SetWindowSize(int w, int h)
|
|
{
|
|
if (w < VID_MIN_WIDTH || h < VID_MIN_HEIGHT)
|
|
{
|
|
w = VID_MIN_WIDTH;
|
|
h = VID_MIN_HEIGHT;
|
|
}
|
|
win_w = w;
|
|
win_h = h;
|
|
if (vid_fullscreen)
|
|
{
|
|
vid_fullscreen = false;
|
|
}
|
|
else
|
|
{
|
|
win_maximized = false;
|
|
SDL_SetWindowSize(Priv::window, w, h);
|
|
SDL_SetWindowPosition(Priv::window, SDL_WINDOWPOS_CENTERED_DISPLAY(vid_adapter), SDL_WINDOWPOS_CENTERED_DISPLAY(vid_adapter));
|
|
SetSize(GetClientWidth(), GetClientHeight());
|
|
int x, y;
|
|
SDL_GetWindowPosition(Priv::window, &x, &y);
|
|
win_x = x;
|
|
win_y = y;
|
|
}
|
|
}
|
|
|
|
|
|
SystemGLFrameBuffer::SystemGLFrameBuffer(void *hMonitor, bool fullscreen)
|
|
: SystemBaseFrameBuffer(hMonitor, fullscreen)
|
|
{
|
|
// NOTE: Core profiles were added with GL 3.2, so there's no sense trying
|
|
// to set core 3.1 or 3.0. We could try a forward-compatible context
|
|
// instead, but that would be too restrictive (w.r.t. shaders).
|
|
static const int glvers[][2] = {
|
|
{ 4, 6 }, { 4, 5 }, { 4, 4 }, { 4, 3 }, { 4, 2 }, { 4, 1 }, { 4, 0 },
|
|
{ 3, 3 }, { 3, 2 }, { 2, 0 },
|
|
{ 0, 0 },
|
|
};
|
|
int glveridx = 0;
|
|
int i;
|
|
|
|
const char *version = Args->CheckValue("-glversion");
|
|
if (version != NULL)
|
|
{
|
|
double gl_version = strtod(version, NULL) + 0.01;
|
|
int vermaj = (int)gl_version;
|
|
int vermin = (int)(gl_version*10.0) % 10;
|
|
|
|
while (glvers[glveridx][0] > vermaj || (glvers[glveridx][0] == vermaj &&
|
|
glvers[glveridx][1] > vermin))
|
|
{
|
|
glveridx++;
|
|
if (glvers[glveridx][0] == 0)
|
|
{
|
|
glveridx = 0;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
for ( ; glvers[glveridx][0] > 0; ++glveridx)
|
|
{
|
|
Priv::SetupPixelFormat(0, glvers[glveridx]);
|
|
Priv::CreateWindow(SDL_WINDOW_OPENGL | (fullscreen ? SDL_WINDOW_FULLSCREEN_DESKTOP : 0));
|
|
|
|
if (Priv::window == nullptr)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
GLContext = SDL_GL_CreateContext(Priv::window);
|
|
if (GLContext == nullptr)
|
|
{
|
|
Priv::DestroyWindow();
|
|
}
|
|
else
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
if (Priv::window == nullptr)
|
|
{
|
|
I_FatalError("Could not create OpenGL window:\n%s\n",SDL_GetError());
|
|
}
|
|
}
|
|
|
|
SystemGLFrameBuffer::~SystemGLFrameBuffer ()
|
|
{
|
|
if (Priv::window)
|
|
{
|
|
if (GLContext)
|
|
{
|
|
SDL_GL_DeleteContext(GLContext);
|
|
}
|
|
|
|
Priv::DestroyWindow();
|
|
}
|
|
}
|
|
|
|
int SystemGLFrameBuffer::GetClientWidth()
|
|
{
|
|
int width = 0;
|
|
SDL_GL_GetDrawableSize(Priv::window, &width, nullptr);
|
|
return width;
|
|
}
|
|
|
|
int SystemGLFrameBuffer::GetClientHeight()
|
|
{
|
|
int height = 0;
|
|
SDL_GL_GetDrawableSize(Priv::window, nullptr, &height);
|
|
return height;
|
|
}
|
|
|
|
void SystemGLFrameBuffer::SetVSync( bool vsync )
|
|
{
|
|
#if defined (__APPLE__)
|
|
const GLint value = vsync ? 1 : 0;
|
|
CGLSetParameter( CGLGetCurrentContext(), kCGLCPSwapInterval, &value );
|
|
#else
|
|
if (vsync)
|
|
{
|
|
if (SDL_GL_SetSwapInterval(-1) == -1)
|
|
SDL_GL_SetSwapInterval(1);
|
|
}
|
|
else
|
|
{
|
|
SDL_GL_SetSwapInterval(0);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void SystemGLFrameBuffer::SwapBuffers()
|
|
{
|
|
SDL_GL_SwapWindow(Priv::window);
|
|
}
|
|
|
|
|
|
void ProcessSDLWindowEvent(const SDL_WindowEvent &event)
|
|
{
|
|
switch (event.event)
|
|
{
|
|
extern bool AppActive;
|
|
|
|
case SDL_WINDOWEVENT_FOCUS_GAINED:
|
|
S_SetSoundPaused(1);
|
|
AppActive = true;
|
|
break;
|
|
|
|
case SDL_WINDOWEVENT_FOCUS_LOST:
|
|
S_SetSoundPaused(i_soundinbackground);
|
|
AppActive = false;
|
|
break;
|
|
|
|
case SDL_WINDOWEVENT_MOVED:
|
|
if (!vid_fullscreen)
|
|
{
|
|
int top = 0, left = 0;
|
|
SDL_GetWindowBordersSize(Priv::window, &top, &left, nullptr, nullptr);
|
|
win_x = event.data1-left;
|
|
win_y = event.data2-top;
|
|
}
|
|
break;
|
|
|
|
case SDL_WINDOWEVENT_RESIZED:
|
|
if (!vid_fullscreen && !Priv::fullscreenSwitch)
|
|
{
|
|
win_w = event.data1;
|
|
win_h = event.data2;
|
|
}
|
|
break;
|
|
|
|
case SDL_WINDOWEVENT_MAXIMIZED:
|
|
win_maximized = true;
|
|
break;
|
|
|
|
case SDL_WINDOWEVENT_RESTORED:
|
|
win_maximized = false;
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
// each platform has its own specific version of this function.
|
|
void I_SetWindowTitle(const char* caption)
|
|
{
|
|
if (caption)
|
|
{
|
|
SDL_SetWindowTitle(Priv::window, caption);
|
|
}
|
|
else
|
|
{
|
|
FString default_caption;
|
|
default_caption.Format(GAMENAME " %s (%s)", GetVersionString(), GetGitTime());
|
|
SDL_SetWindowTitle(Priv::window, default_caption);
|
|
}
|
|
}
|
|
|