172 lines
3.4 KiB
C
172 lines
3.4 KiB
C
#include "quakedef.h"
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#include "glquake.h"
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#include <SDL.h>
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SDL_Surface *sdlsurf;
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extern cvar_t vid_hardwaregamma;
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extern cvar_t gl_lateswap;
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extern int gammaworks;
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#ifdef _WIN32 //half the rest of the code uses windows apis to focus windows. Should be fixed, but it's not too important.
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HWND mainwindow;
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#endif
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extern qboolean vid_isfullscreen;
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unsigned short intitialgammaramps[3][256];
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qboolean ActiveApp;
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qboolean mouseactive;
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extern qboolean mouseusedforgui;
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static void *GLVID_getsdlglfunction(char *functionname)
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{
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return SDL_GL_GetProcAddress(functionname);
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}
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qboolean GLVID_Init (rendererstate_t *info, unsigned char *palette)
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{
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int flags;
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SDL_Init(SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE);
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#ifndef FTE_TARGET_WEB
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SDL_SetVideoMode( 0, 0, 0, 0 ); //to get around some SDL bugs
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#endif
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SDL_GL_SetAttribute( SDL_GL_RED_SIZE, 5 );
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SDL_GL_SetAttribute( SDL_GL_GREEN_SIZE, 5 );
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SDL_GL_SetAttribute( SDL_GL_BLUE_SIZE, 5 );
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SDL_GL_SetAttribute( SDL_GL_DEPTH_SIZE, 16 );
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SDL_GL_SetAttribute( SDL_GL_DOUBLEBUFFER, 1 );
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SDL_GL_SetAttribute( SDL_GL_STENCIL_SIZE, 8 );
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if (info->multisample)
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{
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SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, info->multisample);
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SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 1);
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}
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SDL_GetGammaRamp(intitialgammaramps[0], intitialgammaramps[1], intitialgammaramps[2]);
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if (info->fullscreen)
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{
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flags = SDL_FULLSCREEN;
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vid_isfullscreen = true;
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}
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else
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{
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flags = SDL_RESIZABLE;
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vid_isfullscreen = false;
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}
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sdlsurf = SDL_SetVideoMode(vid.pixelwidth=info->width, vid.pixelheight=info->height, info->bpp, flags | SDL_OPENGL);
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if (!sdlsurf)
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{
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Con_Printf("Couldn't set GL mode: %s\n", SDL_GetError());
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return false;
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}
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ActiveApp = true;
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GL_Init(GLVID_getsdlglfunction);
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qglViewport (0, 0, vid.pixelwidth, vid.pixelheight);
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mouseactive = false;
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if (vid_isfullscreen)
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IN_ActivateMouse();
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return true;
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}
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void GLVID_DeInit (void)
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{
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ActiveApp = false;
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IN_DeactivateMouse();
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SDL_SetGammaRamp (intitialgammaramps[0], intitialgammaramps[1], intitialgammaramps[2]);
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SDL_QuitSubSystem(SDL_INIT_VIDEO);
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}
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void GL_BeginRendering (void)
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{
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// if (!wglMakeCurrent( maindc, baseRC ))
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// Sys_Error ("wglMakeCurrent failed");
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// qglViewport (*x, *y, *width, *height);
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}
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qboolean screenflush;
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void GL_DoSwap (void)
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{
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if (!screenflush)
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return;
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screenflush = 0;
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SDL_GL_SwapBuffers( );
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if (!vid_isfullscreen)
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{
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if (!_windowed_mouse.value)
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{
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if (mouseactive)
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{
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IN_DeactivateMouse ();
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}
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}
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else
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{
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if ((key_dest == key_game||mouseusedforgui) && ActiveApp)
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IN_ActivateMouse ();
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else if (!(key_dest == key_game || mouseusedforgui) || !ActiveApp)
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IN_DeactivateMouse ();
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}
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}
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}
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void GL_EndRendering (void)
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{
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screenflush = true;
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if (!gl_lateswap.value)
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GL_DoSwap();
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}
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qboolean GLVID_ApplyGammaRamps (unsigned short *ramps)
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{
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if (ramps)
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{
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if (vid_hardwaregamma.value)
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{
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if (gammaworks)
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{ //we have hardware gamma applied - if we're doing a BF, we don't want to reset to the default gamma (yuck)
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SDL_SetGammaRamp (&ramps[0], &ramps[256], &ramps[512]);
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return true;
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}
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gammaworks = !SDL_SetGammaRamp (&ramps[0], &ramps[256], &ramps[512]);
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}
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else
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gammaworks = false;
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return gammaworks;
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}
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else
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{
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SDL_SetGammaRamp (intitialgammaramps[0], intitialgammaramps[1], intitialgammaramps[2]);
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return true;
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}
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}
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void GLVID_SetCaption(char *text)
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{
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SDL_WM_SetCaption( text, NULL );
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}
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