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fteqw/engine/gl/gl_vidsdl.c
cypress 4b7a1e3fb0 NZ:P Modification Check-In 
Co-authored-by: Peter0x44 <peter0x44@disroot.org>
2024-09-08 15:37:35 +01:00

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#include "quakedef.h"
#include <SDL.h>
#include <SDL_syswm.h>
#ifdef GLQUAKE
#include "glquake.h"
#define OPENGL_SDL
#endif
#if SDL_VERSION_ATLEAST(2,0,0)
#if SDL_VERSION_ATLEAST(2,0,6)
#ifdef VKQUAKE
#include <SDL_vulkan.h>
#include "../vk/vkrenderer.h"
#define VULKAN_SDL
#endif
#endif
SDL_Window *sdlwindow;
#ifdef OPENGL_SDL
static SDL_GLContext *sdlcontext;
#endif
#else
SDL_Surface *sdlsurf;
#endif
void INS_SetOSK(int osk);
#include "vr.h"
extern cvar_t vid_vsync;
extern cvar_t vid_hardwaregamma;
extern cvar_t gl_lateswap;
extern cvar_t vid_gl_context_version;
extern cvar_t vid_gl_context_debug;
extern cvar_t vid_gl_context_forwardcompatible;
extern cvar_t vid_gl_context_es;
extern cvar_t vid_gl_context_compatibility;
extern qboolean gammaworks;
#ifdef _WIN32 //half the rest of the code uses windows apis to focus windows. Should be fixed, but it's not too important.
HWND mainwindow;
#endif
extern qboolean vid_isfullscreen;
#if !SDL_VERSION_ATLEAST(2,0,0)
unsigned short intitialgammaramps[3][256];
#endif
extern qboolean mouseactive;
extern qboolean mouseusedforgui;
#ifdef OPENGL_SDL
static void *GLVID_getsdlglfunction(char *functionname)
{
#ifdef GL_STATIC
//this reduces dependancies in the webgl build (removing warnings about emulation being poo)
return NULL;
#else
return SDL_GL_GetProcAddress(functionname);
#endif
}
#endif
#if SDL_VERSION_ATLEAST(2,0,0)
void *GLVID_CreateCursor (const qbyte *imagedata, int width, int height, uploadfmt_t format, float hotx, float hoty, float scale)
{
SDL_Cursor *curs;
SDL_Surface *surf;
Uint32 r,g,b,a;
if (!imagedata)
return NULL;
switch(format)
{
#if SDL_BYTEORDER == SDL_BIG_ENDIAN
case PTI_LLLX8:
case PTI_RGBX8:
r = 0xff000000;
g = 0x00ff0000;
b = 0x0000ff00;
a = 0x00000000;
break;
case PTI_LLLA8:
case PTI_RGBA8:
r = 0xff000000;
g = 0x00ff0000;
b = 0x0000ff00;
a = 0x000000ff;
break;
case PTI_BGRX8:
b = 0xff000000;
g = 0x00ff0000;
r = 0x0000ff00;
a = 0x00000000;
break;
case PTI_BGRA8:
b = 0xff000000;
g = 0x00ff0000;
r = 0x0000ff00;
a = 0x000000ff;
break;
#else
case PTI_LLLX8:
case PTI_RGBX8:
r = 0x000000ff;
g = 0x0000ff00;
b = 0x00ff0000;
a = 0x00000000;
break;
case PTI_LLLA8:
case PTI_RGBA8:
r = 0x000000ff;
g = 0x0000ff00;
b = 0x00ff0000;
a = 0xff000000;
break;
case PTI_BGRX8:
b = 0x000000ff;
g = 0x0000ff00;
r = 0x00ff0000;
a = 0x00000000;
break;
case PTI_BGRA8:
b = 0x000000ff;
g = 0x0000ff00;
r = 0x00ff0000;
a = 0xff000000;
break;
#endif
case PTI_A2BGR10:
r = 0x000003ff;
g = 0x000ffc00;
b = 0x3ff00000;
a = 0xc0000000;
break;
default:
return NULL;
}
if (scale != 1)
{
int nw,nh;
qbyte *nd;
nw = width * scale;
nh = height * scale;
if (nw <= 0 || nh <= 0 || nw > 128 || nh > 128) //don't go crazy.
return NULL;
nd = Image_ResampleTexture(format, imagedata, width, height, NULL, nw, nh);
surf = SDL_CreateRGBSurfaceFrom(nd, nw, nh, 32, nw*4, r, g, b, a);
curs = SDL_CreateColorCursor(surf, hotx, hoty);
SDL_FreeSurface(surf);
BZ_Free(nd);
}
else
{
surf = SDL_CreateRGBSurfaceFrom((void*)imagedata, width, height, 32, width*4, r, g, b, a);
curs = SDL_CreateColorCursor(surf, hotx, hoty);
SDL_FreeSurface(surf);
}
return curs;
}
qboolean GLVID_SetCursor (void *cursor)
{
SDL_SetCursor(cursor);
return !!cursor;
}
void GLVID_DestroyCursor (void *cursor)
{
SDL_FreeCursor(cursor);
}
static void GLVID_SetIcon (void)
{
SDL_Surface *iconsurf = NULL;
size_t filesize = 0;
qbyte *filedata = NULL;
qbyte *imagedata = NULL;
#ifdef IMAGEFMT_PNG
if (!filedata)
filedata = FS_LoadMallocFile("icon.png", &filesize);
#endif
if (!filedata)
filedata = FS_LoadMallocFile("icon.tga", &filesize);
#ifdef IMAGEFMT_JPG
if (!filedata)
filedata = FS_LoadMallocFile("icon.jpg", &filesize);
#endif
#ifdef IMAGEFMT_BMP
if (!filedata)
filedata = FS_LoadMallocFile("icon.ico", &filesize);
#endif
#ifdef HAVE_LEGACY
if (!filedata)
filedata = FS_LoadMallocFile("darkplaces-icon.tga", &filesize);
#endif
if (filedata)
{
int imagewidth, imageheight;
uploadfmt_t format = PTI_INVALID;
imagedata = ReadRawImageFile(filedata, filesize, &imagewidth, &imageheight, &format, true, "icon.*");
Z_Free(filedata);
if (imagedata)
{
/* hopefully SDL can resize as appropriate
qbyte *resized = Image_ResampleTexture(format, imagedata, imagewidth, imageheight, NULL, 64, 64);
if (resized)
{
Z_Free(imagedata);
imagedata = resized;
imagewidth = 64;
imageheight = 64;
}*/
switch(format)
{
case PTI_LLLA8: //fallthrough
case PTI_RGBA8: iconsurf = SDL_CreateRGBSurfaceFrom(imagedata, imagewidth, imageheight, 32, 4*imagewidth, 0x000000FF, 0x0000FF00, 0x00FF0000, 0xFF000000); break;
case PTI_LLLX8: //fallthrough
case PTI_RGBX8: iconsurf = SDL_CreateRGBSurfaceFrom(imagedata, imagewidth, imageheight, 32, 4*imagewidth, 0x000000FF, 0x0000FF00, 0x00FF0000, 0x00000000); break;
case PTI_BGRA8: iconsurf = SDL_CreateRGBSurfaceFrom(imagedata, imagewidth, imageheight, 32, 4*imagewidth, 0x00FF0000, 0x0000FF00, 0x000000FF, 0xFF000000); break;
case PTI_BGRX8: iconsurf = SDL_CreateRGBSurfaceFrom(imagedata, imagewidth, imageheight, 32, 4*imagewidth, 0x00FF0000, 0x0000FF00, 0x000000FF, 0x00000000); break;
case PTI_A2BGR10: iconsurf = SDL_CreateRGBSurfaceFrom(imagedata, imagewidth, imageheight, 32, 4*imagewidth, 0x3FF00000, 0x000FFC00, 0x000003FF, 0xC0000000); break;
default: //others shouldn't happen.
break;
}
}
}
if (!iconsurf)
{
#include "nzportable.h"
iconsurf = SDL_CreateRGBSurfaceFrom((void*)icon.pixel_data, icon.width, icon.height, 32, 4*icon.width, 0x000000FF, 0x0000FF00, 0x00FF0000, 0xFF000000); //RGBA byte order on a little endian machine, at least...
}
SDL_SetWindowIcon(sdlwindow, iconsurf);
SDL_FreeSurface(iconsurf);
Z_Free(imagedata);
}
//converts an output device name/number to an index.
//So we can use eg VGA-0 on linux and get the proper device.
static int SDLVID_GetVideoDevice(const char *devicename)
{
char *end;
int display = strtol(devicename, &end, 0);
if (*end)
{ //okay, so its not purely a number. scan by name
display = SDL_GetNumVideoDisplays();
if (display)
{
while (display --> 0)
{
const char *dname = SDL_GetDisplayName(display);
if (dname && !Q_strcasecmp(dname, devicename))
break;
}
}
}
else
{
if (display < 0 || display >= SDL_GetNumVideoDisplays())
display = 0;
}
return display;
}
static qboolean SDLVID_GetVideoMode(rendererstate_t *info, int *display, SDL_DisplayMode *mode)
{
SDL_DisplayMode targ;
*display = SDLVID_GetVideoDevice(info->devicename);
if (info->fullscreen != 1)
return false;
targ.w = info->width;
targ.h = info->height;
if (info->bpp == 30)
targ.format = SDL_PIXELFORMAT_ARGB2101010;
else
targ.format = SDL_PIXELFORMAT_UNKNOWN;
targ.driverdata = NULL;
targ.refresh_rate = info->rate;
if (SDL_GetClosestDisplayMode(*display, &targ, mode))
{
info->width = targ.w;
info->height = targ.h;
return true; //yay
}
return false; //fail
}
static void SDLVID_EnumerateVideoModes (const char *driver, const char *output, void (*cb) (int w, int h))
{
SDL_DisplayMode modeinfo;
int modes, m;
int display = SDLVID_GetVideoDevice(output);
modes = SDL_GetNumDisplayModes(display);
for (m = 0; m < modes; m++)
{
if (0==SDL_GetDisplayMode(display, m, &modeinfo))
cb(modeinfo.w, modeinfo.h);
}
}
#endif
static qboolean SDLVID_Init (rendererstate_t *info, unsigned char *palette, r_qrenderer_t qrenderer)
{
int flags = 0;
#if SDL_MAJOR_VERSION >= 2
int display = -1;
SDL_DisplayMode modeinfo, *usemode;
SDL_SetHint(SDL_HINT_TOUCH_MOUSE_EVENTS, "0"); //we understand touch events. we do NOT want to get confused with mouse motion constantly warping.
SDL_SetHint(SDL_HINT_IME_INTERNAL_EDITING, "1"); //our code doesn't handle displaying non-committed text. ask to not be expected to show it, where possible.
#ifdef SDL_HINT_IME_SUPPORT_EXTENDED_TEXT
// SDL_SetHint(SDL_HINT_IME_SUPPORT_EXTENDED_TEXT, "1");//says we don't have a limit. enable once we actually support this stuff.
#endif
#ifdef SDL_HINT_IME_SHOW_UI
SDL_SetHint(SDL_HINT_IME_SHOW_UI, "1"); //not much point having an IME if you can't see it...
#endif
#endif
SDL_Init(SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE);
#if !defined(FTE_TARGET_WEB) && !SDL_VERSION_ATLEAST(2,0,0)
SDL_SetVideoMode(0, 0, 0, 0); //to get around some SDL bugs
#endif
#if SDL_VERSION_ATLEAST(2,0,0)
switch(qrenderer)
{
default:
return false;
#ifdef OPENGL_SDL
case QR_OPENGL:
SDL_GL_LoadLibrary(NULL);
if (info->bpp >= 32)
{
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 0);
SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 8); //technically we don't always need stencil support.
}
else
{
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 0);
SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 0);
}
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16);
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
if (info->stereo)
SDL_GL_SetAttribute(SDL_GL_STEREO, 1);
#if SDL_MAJOR_VERSION >= 2
if (info->srgb)
SDL_GL_SetAttribute(SDL_GL_FRAMEBUFFER_SRGB_CAPABLE, 1);
//FIXME: this stuff isn't part of info.
//this means it shouldn't be exposed to the menu or widely advertised.
if (*vid_gl_context_version.string)
{
int major, minor;
char *ver = vid_gl_context_version.string;
major = strtoul(ver, &ver, 10);
if (*ver == '.')
{
ver++;
minor = strtoul(ver, &ver, 10);
}
else
minor = 0;
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, major);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, minor);
}
SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS,
(vid_gl_context_debug.ival?SDL_GL_CONTEXT_DEBUG_FLAG:0) |
(vid_gl_context_forwardcompatible.ival?SDL_GL_CONTEXT_FORWARD_COMPATIBLE_FLAG:0) |
0);
if (vid_gl_context_es.ival)
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_ES);
else if (vid_gl_context_compatibility.ival)
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_COMPATIBILITY);
else
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
#endif
if (info->multisample)
{
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, info->multisample);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 1);
}
flags |= SDL_WINDOW_OPENGL;
break;
#endif
#ifdef VULKAN_SDL
case QR_VULKAN:
flags |= SDL_WINDOW_VULKAN;
break;
#endif
}
flags |= SDL_WINDOW_RESIZABLE;
flags |= SDL_WINDOW_INPUT_GRABBED;
#if SDL_VERSION_ATLEAST(2,0,1)
flags |= SDL_WINDOW_ALLOW_HIGHDPI;
#endif
usemode = NULL;
if (SDLVID_GetVideoMode(info, &display, &modeinfo))
usemode = &modeinfo;
rf->VID_EnumerateVideoModes = SDLVID_EnumerateVideoModes;
sdlwindow = SDL_CreateWindow(FULLENGINENAME, SDL_WINDOWPOS_CENTERED_DISPLAY(display), SDL_WINDOWPOS_CENTERED_DISPLAY(display), info->width, info->height, flags);
if (!sdlwindow)
{
Con_Printf("SDL_CreateWindow failed: %s\n", SDL_GetError());
return false;
}
SDL_SetWindowMinimumSize(sdlwindow, 320, 200);
if (usemode)
{
SDL_SetWindowDisplayMode(sdlwindow, usemode);
SDL_SetWindowFullscreen(sdlwindow, SDL_WINDOW_FULLSCREEN);
}
else if (info->fullscreen)
SDL_SetWindowFullscreen(sdlwindow, SDL_WINDOW_FULLSCREEN_DESKTOP);
SDL_ShowWindow(sdlwindow);
#ifdef __linux__
if (usemode)
{ //try to work around an nvidia bug.
//if the user pans then they might get stuck with x11 at the wrong resolution, so try to back out if it would fail.
int w, h;
SDL_GetWindowSize(sdlwindow, &w, &h);
Sys_SendKeyEvents();
SDL_GetWindowSize(sdlwindow, &vid.pixelwidth, &vid.pixelheight);
if (w != vid.pixelwidth || h != vid.pixelheight)
{
Con_Printf(CON_ERROR "Video mode change didn't stick (Nvidia bug?). Resorting to fullscreen-desktop mode.\n");
SDL_SetWindowFullscreen(sdlwindow, SDL_WINDOW_FULLSCREEN_DESKTOP);
SDL_ShowWindow(sdlwindow);
}
}
#endif
#if SDL_VERSION_ATLEAST(2,0,4)
//SDL_GetDisplayDPI(display, NULL, &vid.dpi_x, &vid.dpi_y); //unusable rubbish.
#endif
CL_UpdateWindowTitle();
GLVID_SetIcon();
switch(qrenderer)
{
#ifdef OPENGL_SDL
#if SDL_VERSION_ATLEAST(2,0,1)
case QR_OPENGL:
SDL_GL_GetDrawableSize(sdlwindow, &vid.pixelwidth, &vid.pixelheight); //get the proper physical size.
break;
#endif
#endif
#ifdef VULKAN_SDL
case QR_VULKAN:
SDL_Vulkan_GetDrawableSize(sdlwindow, &vid.pixelwidth, &vid.pixelheight);
break;
#endif
default:
SDL_GetWindowSize(sdlwindow, &vid.pixelwidth, &vid.pixelheight);
break;
}
{ //SDL_GetDisplayDPI is unusable (depends on buggy drivers/hardware), so try and guess based on initial settings. this may cause issues with monitors using different scales though.
int ww,wh;
SDL_GetWindowSize(sdlwindow, &ww, &wh);
vid.dpi_x = (96 * vid.pixelwidth)/ww;
vid.dpi_y = (96 * vid.pixelheight)/wh;
}
#ifdef OPENGL_SDL
if (qrenderer == QR_OPENGL)
{
int srgb;
vrsetup_t setup = {sizeof(setup)};
SDL_SysWMinfo wminfo;
SDL_VERSION(&wminfo.version);
SDL_GetWindowWMInfo(sdlwindow, &wminfo);
switch(wminfo.subsystem)
{
#if defined(SDL_VIDEO_DRIVER_WINDOWS)
case SDL_SYSWM_WINDOWS:
setup.vrplatform = VR_WIN_WGL;
break;
#endif
#if defined(SDL_VIDEO_DRIVER_X11)
case SDL_SYSWM_X11:
setup.vrplatform = VR_X11_GLX;
break;
#endif
#if defined(SDL_VIDEO_DRIVER_WAYLAND) && SDL_VERSION_ATLEAST(3,0,0)
case SDL_SYSWM_WAYLAND:
setup.vrplatform = VR_EGL;
break;
#endif
default:
setup.vrplatform = VR_HEADLESS; //unsupported platform...
break;
}
if (info->vr && !info->vr->Prepare(&setup))
info->vr = NULL;
sdlcontext = SDL_GL_CreateContext(sdlwindow);
if (!sdlcontext)
{
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 1);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 1);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, 0);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, 0);
sdlcontext = SDL_GL_CreateContext(sdlwindow);
if (!sdlcontext)
{
Con_Printf("Couldn't initialize GL context: %s\n", SDL_GetError());
return false;
}
}
srgb = 0;
SDL_GL_GetAttribute(SDL_GL_FRAMEBUFFER_SRGB_CAPABLE, &srgb);
if (srgb)
vid.flags |= VID_SRGB_CAPABLE;
//now fill it in properly, now that we have a context.
switch(wminfo.subsystem)
{
#if defined(SDL_VIDEO_DRIVER_WINDOWS)
case SDL_SYSWM_WINDOWS:
setup.wgl.hdc = wminfo.info.win.hdc;
setup.wgl.hglrc = SDL_GL_GetCurrentContext();
break;
#endif
#if defined(SDL_VIDEO_DRIVER_X11)
case SDL_SYSWM_X11:
setup.x11_glx.display = wminfo.info.x11.display;
setup.x11_glx.drawable = wminfo.info.x11.window;
setup.x11_glx.visualid = 0;//???
setup.x11_glx.glxfbconfig = 0;//???
setup.x11_glx.glxcontext = SDL_GL_GetCurrentContext();
break;
#endif
#if defined(SDL_VIDEO_DRIVER_WAYLAND) && SDL_VERSION_ATLEAST(3,0,0)
case SDL_SYSWM_WAYLAND:
setup.vrplatform = VR_EGL;
setup.egl.getprocaddr = SDL_EGL_GetProcAddress;
setup.egl.egldisplay = SDL_EGL_GetCurrentEGLDisplay();
setup.egl.eglconfig = SDL_EGL_GetCurrentEGLConfig();
setup.egl.eglcontext = SDL_GL_GetCurrentContext();
break;
#endif
default:
setup.vrplatform = VR_HEADLESS; //unsupported platform...
break;
}
if (info->vr && !info->vr->Init(&setup, info))
{
info->vr->Shutdown();
vid.vr = NULL;
}
else
vid.vr = info->vr;
}
#endif
#else
SDL_GetGammaRamp(intitialgammaramps[0], intitialgammaramps[1], intitialgammaramps[2]);
if (info->fullscreen)
{
flags = SDL_FULLSCREEN;
vid_isfullscreen = true;
}
else
{
flags = SDL_RESIZABLE;
vid_isfullscreen = false;
}
sdlsurf = SDL_SetVideoMode(vid.pixelwidth=info->width, vid.pixelheight=info->height, info->bpp, flags | SDL_OPENGL);
if (!sdlsurf)
{
Con_Printf("Couldn't set GL mode: %s\n", SDL_GetError());
return false;
}
#endif
vid.activeapp = true;
mouseactive = false;
if (vid_isfullscreen)
IN_ActivateMouse();
#if SDL_VERSION_ATLEAST(2,0,0)
SDL_DisableScreenSaver();
#else
SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);
#endif
vid_vsync.modified = true;
#ifdef _WIN32
{ //win32 apis are very insistant upon having a window context for things that have nothing to do with windowing system stuff.
#if SDL_VERSION_ATLEAST(2,0,0)
SDL_SysWMinfo info;
SDL_GetWindowWMInfo(sdlwindow, &info);
if (info.subsystem == SDL_SYSWM_WINDOWS)
mainwindow = info.info.win.window;
else
mainwindow = NULL; //if we're using an x11 subsystem but running in windows then don't feck up... here, at least.
#else
SDL_SysWMinfo wmInfo;
SDL_GetWMInfo(&wmInfo);
mainwindow = wmInfo.window; //note that this is usually still null
#endif
}
#endif
#if SDL_VERSION_ATLEAST(2,0,0)
rf->VID_CreateCursor = GLVID_CreateCursor;
rf->VID_DestroyCursor = GLVID_DestroyCursor;
rf->VID_SetCursor = GLVID_SetCursor;
#endif
return true;
}
#ifdef OPENGL_SDL
qboolean GLVID_Init (rendererstate_t *info, unsigned char *palette)
{
if (SDLVID_Init(info, palette, QR_OPENGL))
{
return GL_Init(info, GLVID_getsdlglfunction);
}
return false;
}
#endif
void GLVID_DeInit (void)
{
vid.activeapp = false;
IN_DeactivateMouse();
INS_SetOSK(false);
#if SDL_VERSION_ATLEAST(2,0,0)
SDL_SetWindowGammaRamp(sdlwindow, NULL, NULL, NULL);
switch(qrenderer)
{
#ifdef OPENGL_SDL
case QR_OPENGL:
SDL_GL_DeleteContext(sdlcontext);
break;
#endif
#ifdef VULKAN_SDL
case QR_VULKAN:
VK_Shutdown();
break;
#endif
default:
break;
}
SDL_DestroyWindow(sdlwindow);
sdlwindow = NULL;
#else
SDL_SetGammaRamp (intitialgammaramps[0], intitialgammaramps[1], intitialgammaramps[2]);
#endif
SDL_QuitSubSystem(SDL_INIT_VIDEO);
#ifdef OPENGL_SDL
GL_ForgetPointers();
#endif
}
void GLVID_SwapBuffers (void)
{
switch(qrenderer)
{
#ifdef OPENGL_SDL
case QR_OPENGL:
#if SDL_VERSION_ATLEAST(2,0,0)
if (vid_vsync.modified)
{
if (*vid_vsync.string)
{
//if swap_tear isn't supported, try without.
if (SDL_GL_SetSwapInterval(vid_vsync.ival) == -1 && vid_vsync.ival < 0)
SDL_GL_SetSwapInterval(-vid_vsync.ival);
}
vid_vsync.modified = false;
}
SDL_GL_SwapWindow(sdlwindow);
#else
SDL_GL_SwapBuffers();
#endif
break;
#endif
default:
break;
}
if (!vid_isfullscreen)
{
if (!in_windowed_mouse.value)
{
IN_DeactivateMouse ();
}
else
{
if (!Key_MouseShouldBeFree() && vid.activeapp)
IN_ActivateMouse ();
else
IN_DeactivateMouse ();
}
}
}
qboolean GLVID_ApplyGammaRamps (unsigned int gammarampsize, unsigned short *ramps)
{
#if SDL_VERSION_ATLEAST(2,0,0)
if (ramps && gammarampsize == 256)
{
switch(vid_hardwaregamma.ival)
{
case 0: //never use hardware/glsl gamma
case 2: //ALWAYS use glsl gamma
return false;
default:
case 1: //no hardware gamma when windowed
if (!vid_isfullscreen)
return false;
break;
case 3: //ALWAYS try to use hardware gamma, even when it fails...
break;
}
gammaworks |= !SDL_SetWindowGammaRamp (sdlwindow, &ramps[0], &ramps[256], &ramps[512]);
return gammaworks;
}
else if (gammaworks)
{
SDL_SetWindowGammaRamp (sdlwindow, NULL, NULL, NULL);
return true;
}
#else
if (ramps && gammarampsize == 256)
{
switch(vid_hardwaregamma.ival)
{
case 0: //never use hardware/glsl gamma
case 2: //ALWAYS use glsl gamma
return false;
default:
case 1: //no hardware gamma when windowed
if (!vid_isfullscreen)
return false;
break;
case 3: //ALWAYS try to use hardware gamma, even when it fails...
break;
}
gammaworks |= !SDL_SetGammaRamp (&ramps[0], &ramps[256], &ramps[512]);
return gammaworks;
}
else
{
SDL_SetGammaRamp (intitialgammaramps[0], intitialgammaramps[1], intitialgammaramps[2]);
return true;
}
#endif
return false;
}
void GLVID_SetCaption(const char *text)
{
#if SDL_VERSION_ATLEAST(2,0,0)
SDL_SetWindowTitle(sdlwindow, text);
#else
SDL_WM_SetCaption(text, NULL);
#endif
}
#ifdef VULKAN_SDL
static qboolean VKSDL_CreateSurface(void)
{
return SDL_Vulkan_CreateSurface(sdlwindow, vk.instance, &vk.surface);
}
static qboolean VKVID_Init (rendererstate_t *info, unsigned char *palette)
{
unsigned extcount;
const char **extnames;
if (!SDLVID_Init(info, palette, QR_VULKAN))
return false;
if (!SDL_Vulkan_GetInstanceExtensions(sdlwindow, &extcount, NULL))
return false;
extnames = alloca(sizeof(*extnames)*(extcount+1));
if (!SDL_Vulkan_GetInstanceExtensions(sdlwindow, &extcount, extnames))
return false;
extnames[extcount] = 0;
vkGetInstanceProcAddr = SDL_Vulkan_GetVkGetInstanceProcAddr();
if (!VK_Init(info, extnames, VKSDL_CreateSurface, NULL))
return false;
return true;
}
rendererinfo_t vkrendererinfo =
{
"Vulkan-SDL",
{
"vk",
"Vulkan"
},
QR_VULKAN,
VK_Draw_Init,
VK_Draw_Shutdown,
VK_UpdateFiltering,
VK_LoadTextureMips,
VK_DestroyTexture,
VK_R_Init,
VK_R_DeInit,
VK_R_RenderView,
VKVID_Init,
GLVID_DeInit,
GLVID_SwapBuffers,
GLVID_ApplyGammaRamps,
NULL,
NULL,
NULL,
GLVID_SetCaption,
VKVID_GetRGBInfo,
VK_SCR_UpdateScreen,
VKBE_SelectMode,
VKBE_DrawMesh_List,
VKBE_DrawMesh_Single,
VKBE_SubmitBatch,
VKBE_GetTempBatch,
VKBE_DrawWorld,
VKBE_Init,
VKBE_GenBrushModelVBO,
VKBE_ClearVBO,
VKBE_UploadAllLightmaps,
VKBE_SelectEntity,
VKBE_SelectDLight,
VKBE_Scissor,
VKBE_LightCullModel,
VKBE_VBO_Begin,
VKBE_VBO_Data,
VKBE_VBO_Finish,
VKBE_VBO_Destroy,
VKBE_RenderToTextureUpdate2d,
"no more"
};
#else
rendererinfo_t vkrendererinfo;
#endif
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