mirror of
https://github.com/DrBeef/Raze.git
synced 2024-12-12 21:52:23 +00:00
4830989d32
* Serves no purpose in Raze or GZDoom and appears to only have been added to the backend to facilitate the older interpolation code that was excised in 893686709b.
782 lines
18 KiB
C++
782 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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// Requires SDL 2.0.6 or newer
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//#define SDL2_STATIC_LIBRARY
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#if defined SDL2_STATIC_LIBRARY && defined HAVE_VULKAN
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#include <SDL_vulkan.h>
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#endif // SDL2_STATIC_LIBRARY && 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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#ifdef SDL2_STATIC_LIBRARY
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#define SDL2_OPTIONAL_FUNCTION(RESULT, NAME, ...) \
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RESULT(*NAME)(__VA_ARGS__) = SDL_ ## NAME
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#else // !SDL2_STATIC_LIBRARY
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FModule library("SDL2");
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#define SDL2_OPTIONAL_FUNCTION(RESULT, NAME, ...) \
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static TOptProc<library, RESULT(*)(__VA_ARGS__)> NAME("SDL_" #NAME)
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#endif // SDL2_STATIC_LIBRARY
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SDL2_OPTIONAL_FUNCTION(int, GetWindowBordersSize, SDL_Window *window, int *top, int *left, int *bottom, int *right);
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#ifdef HAVE_VULKAN
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SDL2_OPTIONAL_FUNCTION(void, Vulkan_GetDrawableSize, SDL_Window *window, int *width, int *height);
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SDL2_OPTIONAL_FUNCTION(SDL_bool, Vulkan_GetInstanceExtensions, SDL_Window *window, unsigned int *count, const char **names);
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SDL2_OPTIONAL_FUNCTION(SDL_bool, Vulkan_CreateSurface, SDL_Window *window, VkInstance instance, VkSurfaceKHR *surface);
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#endif
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#undef SDL2_OPTIONAL_FUNCTION
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static const uint32_t VulkanWindowFlag = 0x1000'0000;
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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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assert(Priv::Vulkan_GetDrawableSize);
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Priv::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 Priv::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 Priv::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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#ifndef SDL2_STATIC_LIBRARY
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// Load optional SDL functions
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if (!Priv::library.IsLoaded())
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{
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Priv::library.Load({ "libSDL2-2.0.so.0", "libSDL2-2.0.so", "libSDL2.so" });
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}
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#endif // !SDL2_STATIC_LIBRARY
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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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&& Priv::Vulkan_GetDrawableSize && Priv::Vulkan_GetInstanceExtensions && Priv::Vulkan_CreateSurface;
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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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}
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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&)
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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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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
|
|
assert(Priv::vulkanEnabled);
|
|
Priv::Vulkan_GetDrawableSize(Priv::window, &width, nullptr);
|
|
#endif
|
|
|
|
return width;
|
|
}
|
|
|
|
int SystemBaseFrameBuffer::GetClientHeight()
|
|
{
|
|
int height = 0;
|
|
|
|
#ifdef HAVE_SOFTPOLY
|
|
if (Priv::softpolyEnabled)
|
|
{
|
|
if (polyrendertarget)
|
|
SDL_GetRendererOutputSize(polyrendertarget, nullptr, &height);
|
|
else
|
|
SDL_GetWindowSize(Priv::window, nullptr, &height);
|
|
return height;
|
|
}
|
|
#endif
|
|
|
|
#ifdef HAVE_VULKAN
|
|
assert(Priv::vulkanEnabled);
|
|
Priv::Vulkan_GetDrawableSize(Priv::window, nullptr, &height);
|
|
#endif
|
|
|
|
return height;
|
|
}
|
|
|
|
bool SystemBaseFrameBuffer::IsFullscreen ()
|
|
{
|
|
return (SDL_GetWindowFlags(Priv::window) & SDL_WINDOW_FULLSCREEN_DESKTOP) != 0;
|
|
}
|
|
|
|
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;
|
|
}
|
|
}
|
|
}
|
|
|
|
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 && Priv::GetWindowBordersSize)
|
|
{
|
|
int top = 0, left = 0;
|
|
Priv::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);
|
|
}
|
|
}
|
|
|