948 lines
20 KiB
948 lines
20 KiB
/* |
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vid_sdl.c - SDL vid component |
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Copyright (C) 2018 a1batross |
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This program is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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*/ |
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#ifndef XASH_DEDICATED |
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#include <SDL.h> |
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#include "common.h" |
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#include "client.h" |
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#include "mod_local.h" |
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#include "input.h" |
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#include "vid_common.h" |
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#include "platform/sdl/events.h" |
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static vidmode_t *vidmodes = NULL; |
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static int num_vidmodes = 0; |
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static void GL_SetupAttributes( void ); |
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struct |
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{ |
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int prev_width, prev_height; |
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} sdlState = { 640, 480 }; |
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struct |
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{ |
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SDL_Renderer *renderer; |
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SDL_Texture *tex; |
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int width, height; |
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SDL_Surface *surf; |
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SDL_Surface *win; |
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} sw; |
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qboolean SW_CreateBuffer( int width, int height, uint *stride, uint *bpp, uint *r, uint *g, uint *b ) |
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{ |
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sw.width = width; |
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sw.height = height; |
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|
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if( sw.renderer ) |
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{ |
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unsigned int format = SDL_GetWindowPixelFormat( host.hWnd ); |
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SDL_RenderSetLogicalSize(sw.renderer, refState.width, refState.height); |
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if( sw.tex ) |
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SDL_DestroyTexture( sw.tex ); |
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// guess |
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if( format == SDL_PIXELFORMAT_UNKNOWN ) |
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{ |
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if( glw_state.desktopBitsPixel == 16 ) |
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format = SDL_PIXELFORMAT_RGB565; |
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else |
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format = SDL_PIXELFORMAT_RGBA8888; |
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} |
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// we can only copy fast 16 or 32 bits |
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// SDL_Renderer does not allow zero-copy, so 24 bits will be ineffective |
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if( !( SDL_BYTESPERPIXEL(format) == 2 || SDL_BYTESPERPIXEL(format) == 4 ) ) |
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format = SDL_PIXELFORMAT_RGBA8888; |
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sw.tex = SDL_CreateTexture(sw.renderer, format, |
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SDL_TEXTUREACCESS_STREAMING, |
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width, height); |
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// fallback |
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if( !sw.tex && format != SDL_PIXELFORMAT_RGBA8888 ) |
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{ |
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format = SDL_PIXELFORMAT_RGBA8888; |
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sw.tex = SDL_CreateTexture(sw.renderer, format, |
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SDL_TEXTUREACCESS_STREAMING, |
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width, height); |
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} |
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if( !sw.tex ) |
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{ |
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SDL_DestroyRenderer( sw.renderer ); |
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sw.renderer = NULL; |
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} |
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else |
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{ |
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void *pixels; |
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int pitch; |
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if( !SDL_LockTexture(sw.tex, NULL, &pixels, &pitch ) ) |
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{ |
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int bits, amask; |
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// lock successfull, release |
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SDL_UnlockTexture(sw.tex); |
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// enough for building blitter tables |
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SDL_PixelFormatEnumToMasks( format, &bits, r, g, b, &amask ); |
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*bpp = SDL_BYTESPERPIXEL(format); |
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*stride = pitch / *bpp; |
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return true; |
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} |
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// fallback to surf |
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SDL_DestroyTexture(sw.tex); |
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sw.tex = NULL; |
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SDL_DestroyRenderer(sw.renderer); |
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sw.renderer = NULL; |
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} |
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} |
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if( !sw.renderer ) |
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{ |
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sw.win = SDL_GetWindowSurface( host.hWnd ); |
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// sdl will create renderer if hw framebuffer unavailiable, so cannot fallback here |
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// if it is failed, it is not possible to draw with SDL in REF_SOFTWARE mode |
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if( !sw.win ) |
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{ |
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Sys_Warn("failed to initialize software output, try enable sw_glblit"); |
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return false; |
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} |
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*bpp = sw.win->format->BytesPerPixel; |
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*r = sw.win->format->Rmask; |
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*g = sw.win->format->Gmask; |
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*b = sw.win->format->Bmask; |
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*stride = sw.win->pitch / sw.win->format->BytesPerPixel; |
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/// TODO: check somehow if ref_soft can handle native format |
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#if 0 |
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{ |
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sw.surf = SDL_CreateRGBSurfaceWithFormat( 0, width, height, 16, SDL_PIXELFORMAT_RGB565 ); |
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if( !sw.surf ) |
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Sys_Error(SDL_GetError()); |
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} |
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#endif |
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} |
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// we can't create ref_soft buffer |
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return false; |
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} |
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void *SW_LockBuffer() |
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{ |
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if( sw.renderer ) |
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{ |
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void *pixels; |
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int stride; |
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if( SDL_LockTexture(sw.tex, NULL, &pixels, &stride ) ) |
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Sys_Error("%s", SDL_GetError()); |
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return pixels; |
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} |
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else |
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{ |
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// ensure it not changed (do we really need this?) |
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sw.win = SDL_GetWindowSurface( host.hWnd ); |
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//if( !sw.win ) |
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//SDL_GetWindowSurface( host.hWnd ); |
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// prevent buffer overrun |
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if( !sw.win || sw.win->w < sw.width || sw.win->h < sw.height ) |
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return NULL; |
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if( sw.surf ) |
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{ |
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SDL_LockSurface( sw.surf ); |
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return sw.surf->pixels; |
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} |
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else |
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{ |
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// real window pixels (x11 shm region, dma buffer, etc) |
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// or SDL_Renderer texture if not supported |
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SDL_LockSurface( sw.win ); |
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return sw.win->pixels; |
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} |
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} |
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} |
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void SW_UnlockBuffer() |
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{ |
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if( sw.renderer ) |
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{ |
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SDL_Rect src, dst; |
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src.x = src.y = 0; |
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src.w = sw.width; |
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src.h = sw.height; |
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dst = src; |
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SDL_UnlockTexture(sw.tex); |
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SDL_SetTextureBlendMode(sw.tex, SDL_BLENDMODE_NONE); |
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SDL_RenderCopy(sw.renderer, sw.tex, &src, &dst); |
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SDL_RenderPresent(sw.renderer); |
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//Con_Printf("%s\n", SDL_GetError()); |
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} |
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else |
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{ |
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// blit if blitting surface availiable |
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if( sw.surf ) |
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{ |
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SDL_Rect src, dst; |
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src.x = src.y = 0; |
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src.w = sw.width; |
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src.h = sw.height; |
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dst = src; |
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SDL_UnlockSurface( sw.surf ); |
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SDL_BlitSurface( sw.surf, &src, sw.win, &dst ); |
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} |
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else // already blitted |
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SDL_UnlockSurface( sw.win ); |
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SDL_UpdateWindowSurface( host.hWnd ); |
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} |
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} |
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int R_MaxVideoModes( void ) |
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{ |
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return num_vidmodes; |
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} |
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vidmode_t *R_GetVideoMode( int num ) |
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{ |
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if( !vidmodes || num < 0 || num >= R_MaxVideoModes() ) |
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{ |
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return NULL; |
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} |
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return vidmodes + num; |
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} |
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static void R_InitVideoModes( void ) |
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{ |
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int displayIndex = 0; // TODO: handle multiple displays somehow |
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int i, modes; |
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num_vidmodes = 0; |
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modes = SDL_GetNumDisplayModes( displayIndex ); |
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if( !modes ) |
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return; |
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vidmodes = Mem_Malloc( host.mempool, modes * sizeof( vidmode_t ) ); |
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for( i = 0; i < modes; i++ ) |
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{ |
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int j; |
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qboolean skip = false; |
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SDL_DisplayMode mode; |
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if( SDL_GetDisplayMode( displayIndex, i, &mode ) ) |
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{ |
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Msg( "SDL_GetDisplayMode: %s\n", SDL_GetError() ); |
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continue; |
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} |
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if( mode.w < VID_MIN_WIDTH || mode.h < VID_MIN_HEIGHT ) |
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continue; |
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for( j = 0; j < num_vidmodes; j++ ) |
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{ |
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if( mode.w == vidmodes[j].width && |
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mode.h == vidmodes[j].height ) |
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{ |
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skip = true; |
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break; |
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} |
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} |
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if( j != num_vidmodes ) |
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continue; |
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vidmodes[num_vidmodes].width = mode.w; |
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vidmodes[num_vidmodes].height = mode.h; |
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vidmodes[num_vidmodes].desc = copystring( va( "%ix%i", mode.w, mode.h )); |
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num_vidmodes++; |
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} |
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} |
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static void R_FreeVideoModes( void ) |
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{ |
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int i; |
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for( i = 0; i < num_vidmodes; i++ ) |
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Mem_Free( (char*)vidmodes[i].desc ); |
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Mem_Free( vidmodes ); |
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vidmodes = NULL; |
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} |
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#ifdef WIN32 |
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typedef enum _XASH_DPI_AWARENESS |
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{ |
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XASH_DPI_UNAWARE = 0, |
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XASH_SYSTEM_DPI_AWARE = 1, |
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XASH_PER_MONITOR_DPI_AWARE = 2 |
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} XASH_DPI_AWARENESS; |
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static void WIN_SetDPIAwareness( void ) |
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{ |
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HMODULE hModule; |
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HRESULT ( __stdcall *pSetProcessDpiAwareness )( XASH_DPI_AWARENESS ); |
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BOOL ( __stdcall *pSetProcessDPIAware )( void ); |
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BOOL bSuccess = FALSE; |
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if( ( hModule = LoadLibrary( "shcore.dll" ) ) ) |
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{ |
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if( ( pSetProcessDpiAwareness = (void*)GetProcAddress( hModule, "SetProcessDpiAwareness" ) ) ) |
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{ |
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// I hope SDL don't handle WM_DPICHANGED message |
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HRESULT hResult = pSetProcessDpiAwareness( XASH_SYSTEM_DPI_AWARE ); |
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if( hResult == S_OK ) |
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{ |
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Con_Reportf( "SetDPIAwareness: Success\n" ); |
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bSuccess = TRUE; |
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} |
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else if( hResult == E_INVALIDARG ) Con_Reportf( "SetDPIAwareness: Invalid argument\n" ); |
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else if( hResult == E_ACCESSDENIED ) Con_Reportf( "SetDPIAwareness: Access Denied\n" ); |
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} |
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else Con_Reportf( "SetDPIAwareness: Can't get SetProcessDpiAwareness\n" ); |
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FreeLibrary( hModule ); |
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} |
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else Con_Reportf( "SetDPIAwareness: Can't load shcore.dll\n" ); |
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if( !bSuccess ) |
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{ |
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Con_Reportf( "SetDPIAwareness: Trying SetProcessDPIAware...\n" ); |
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if( ( hModule = LoadLibrary( "user32.dll" ) ) ) |
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{ |
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if( ( pSetProcessDPIAware = ( void* )GetProcAddress( hModule, "SetProcessDPIAware" ) ) ) |
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{ |
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// I hope SDL don't handle WM_DPICHANGED message |
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BOOL hResult = pSetProcessDPIAware(); |
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if( hResult ) |
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{ |
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Con_Reportf( "SetDPIAwareness: Success\n" ); |
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bSuccess = TRUE; |
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} |
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else Con_Reportf( "SetDPIAwareness: fail\n" ); |
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} |
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else Con_Reportf( "SetDPIAwareness: Can't get SetProcessDPIAware\n" ); |
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FreeLibrary( hModule ); |
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} |
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else Con_Reportf( "SetDPIAwareness: Can't load user32.dll\n" ); |
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} |
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} |
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#endif |
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/* |
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================= |
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GL_GetProcAddress |
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================= |
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*/ |
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void *GL_GetProcAddress( const char *name ) |
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{ |
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#if defined( XASH_NANOGL ) |
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void *func = nanoGL_GetProcAddress(name); |
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#else |
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void *func = SDL_GL_GetProcAddress(name); |
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#endif |
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if( !func ) |
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{ |
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Con_Reportf( S_ERROR "Error: GL_GetProcAddress failed for %s\n", name ); |
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} |
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return func; |
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} |
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/* |
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=============== |
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GL_UpdateSwapInterval |
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=============== |
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*/ |
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void GL_UpdateSwapInterval( void ) |
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{ |
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// disable VSync while level is loading |
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if( cls.state < ca_active ) |
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{ |
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SDL_GL_SetSwapInterval( 0 ); |
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SetBits( gl_vsync->flags, FCVAR_CHANGED ); |
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} |
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else if( FBitSet( gl_vsync->flags, FCVAR_CHANGED )) |
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{ |
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ClearBits( gl_vsync->flags, FCVAR_CHANGED ); |
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if( SDL_GL_SetSwapInterval( gl_vsync->value ) ) |
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Con_Reportf( S_ERROR "SDL_GL_SetSwapInterval: %s\n", SDL_GetError( ) ); |
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} |
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} |
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/* |
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================= |
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GL_DeleteContext |
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always return false |
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================= |
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*/ |
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qboolean GL_DeleteContext( void ) |
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{ |
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if( glw_state.context ) |
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{ |
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SDL_GL_DeleteContext(glw_state.context); |
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glw_state.context = NULL; |
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} |
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return false; |
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} |
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/* |
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================= |
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GL_CreateContext |
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================= |
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*/ |
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qboolean GL_CreateContext( void ) |
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{ |
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if( ( glw_state.context = SDL_GL_CreateContext( host.hWnd ) ) == NULL) |
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{ |
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Con_Reportf( S_ERROR "GL_CreateContext: %s\n", SDL_GetError()); |
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return GL_DeleteContext(); |
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} |
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return true; |
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} |
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/* |
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================= |
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GL_UpdateContext |
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================= |
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*/ |
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qboolean GL_UpdateContext( void ) |
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{ |
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if( SDL_GL_MakeCurrent( host.hWnd, glw_state.context )) |
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{ |
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Con_Reportf( S_ERROR "GL_UpdateContext: %s\n", SDL_GetError()); |
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return GL_DeleteContext(); |
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} |
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return true; |
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} |
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qboolean VID_SetScreenResolution( int width, int height ) |
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{ |
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SDL_DisplayMode want, got; |
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Uint32 wndFlags = 0; |
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static string wndname; |
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if( vid_highdpi->value ) wndFlags |= SDL_WINDOW_ALLOW_HIGHDPI; |
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Q_strncpy( wndname, GI->title, sizeof( wndname )); |
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want.w = width; |
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want.h = height; |
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want.driverdata = NULL; |
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want.format = want.refresh_rate = 0; // don't care |
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if( !SDL_GetClosestDisplayMode(0, &want, &got) ) |
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return false; |
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Con_Reportf( "Got closest display mode: %ix%i@%i\n", got.w, got.h, got.refresh_rate); |
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if( SDL_SetWindowDisplayMode( host.hWnd, &got) == -1 ) |
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return false; |
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if( SDL_SetWindowFullscreen( host.hWnd, SDL_WINDOW_FULLSCREEN) == -1 ) |
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return false; |
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SDL_SetWindowBordered( host.hWnd, SDL_FALSE ); |
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//SDL_SetWindowPosition( host.hWnd, 0, 0 ); |
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SDL_SetWindowGrab( host.hWnd, SDL_TRUE ); |
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SDL_SetWindowSize( host.hWnd, got.w, got.h ); |
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SDL_GL_GetDrawableSize( host.hWnd, &got.w, &got.h ); |
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R_SaveVideoMode( got.w, got.h ); |
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return true; |
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} |
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void VID_RestoreScreenResolution( void ) |
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{ |
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if( !Cvar_VariableInteger("fullscreen") ) |
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{ |
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SDL_SetWindowBordered( host.hWnd, SDL_TRUE ); |
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SDL_SetWindowGrab( host.hWnd, SDL_FALSE ); |
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} |
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else |
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{ |
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SDL_MinimizeWindow( host.hWnd ); |
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SDL_SetWindowFullscreen( host.hWnd, 0 ); |
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} |
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} |
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#if defined(_WIN32) && !defined(XASH_64BIT) // ICO support only for Win32 |
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#include "SDL_syswm.h" |
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static void WIN_SetWindowIcon( HICON ico ) |
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{ |
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SDL_SysWMinfo wminfo; |
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if( !ico ) |
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return; |
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if( SDL_GetWindowWMInfo( host.hWnd, &wminfo ) ) |
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{ |
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SetClassLong( wminfo.info.win.window, GCL_HICON, (LONG)ico ); |
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} |
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} |
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#endif |
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/* |
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================= |
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VID_CreateWindow |
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================= |
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*/ |
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qboolean VID_CreateWindow( int width, int height, qboolean fullscreen ) |
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{ |
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static string wndname; |
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Uint32 wndFlags = SDL_WINDOW_OPENGL | SDL_WINDOW_SHOWN | SDL_WINDOW_MOUSE_FOCUS; |
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rgbdata_t *icon = NULL; |
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qboolean iconLoaded = false; |
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char iconpath[MAX_STRING]; |
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int xpos, ypos; |
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if( vid_highdpi->value ) wndFlags |= SDL_WINDOW_ALLOW_HIGHDPI; |
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Q_strncpy( wndname, GI->title, sizeof( wndname )); |
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if( glw_state.software ) |
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wndFlags &= ~SDL_WINDOW_OPENGL; |
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if( !fullscreen ) |
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{ |
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wndFlags |= SDL_WINDOW_RESIZABLE; |
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xpos = Cvar_VariableInteger( "_window_xpos" ); |
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ypos = Cvar_VariableInteger( "_window_ypos" ); |
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if( xpos < 0 ) xpos = SDL_WINDOWPOS_CENTERED; |
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if( ypos < 0 ) ypos = SDL_WINDOWPOS_CENTERED; |
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} |
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else |
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{ |
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wndFlags |= SDL_WINDOW_FULLSCREEN | SDL_WINDOW_BORDERLESS | SDL_WINDOW_INPUT_GRABBED; |
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xpos = ypos = 0; |
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} |
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host.hWnd = SDL_CreateWindow( wndname, xpos, ypos, width, height, wndFlags ); |
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if( !host.hWnd ) |
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{ |
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Con_Reportf( S_ERROR "VID_CreateWindow: couldn't create '%s': %s\n", wndname, SDL_GetError()); |
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// skip some attribs in hope that context creating will not fail |
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if( glw_state.safe >= SAFE_NO ) |
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{ |
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if( !gl_wgl_msaa_samples->value && glw_state.safe + 1 == SAFE_NOMSAA ) |
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glw_state.safe += 2; // no need to skip msaa, if we already disabled it |
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else glw_state.safe++; |
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GL_SetupAttributes( ); // re-choose attributes |
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// try again |
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return VID_CreateWindow( width, height, fullscreen ); |
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} |
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return false; |
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} |
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if( fullscreen ) |
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{ |
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if( !VID_SetScreenResolution( width, height ) ) |
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{ |
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return false; |
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} |
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} |
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else |
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{ |
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VID_RestoreScreenResolution(); |
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} |
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#if defined(_WIN32) && !defined(XASH_64BIT) // ICO support only for Win32 |
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if( FS_FileExists( GI->iconpath, true ) ) |
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{ |
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HICON ico; |
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char localPath[MAX_PATH]; |
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Q_snprintf( localPath, sizeof( localPath ), "%s/%s", GI->gamefolder, GI->iconpath ); |
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ico = (HICON)LoadImage( NULL, localPath, IMAGE_ICON, 0, 0, LR_LOADFROMFILE|LR_DEFAULTSIZE ); |
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if( ico ) |
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{ |
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iconLoaded = true; |
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WIN_SetWindowIcon( ico ); |
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} |
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} |
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#endif // _WIN32 && !XASH_64BIT |
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|
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if( !iconLoaded ) |
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{ |
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Q_strcpy( iconpath, GI->iconpath ); |
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COM_StripExtension( iconpath ); |
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COM_DefaultExtension( iconpath, ".tga" ); |
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|
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icon = FS_LoadImage( iconpath, NULL, 0 ); |
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|
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if( icon ) |
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{ |
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SDL_Surface *surface = SDL_CreateRGBSurfaceFrom( icon->buffer, |
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icon->width, icon->height, 32, 4 * icon->width, |
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0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000 ); |
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|
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if( surface ) |
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{ |
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SDL_SetWindowIcon( host.hWnd, surface ); |
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SDL_FreeSurface( surface ); |
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iconLoaded = true; |
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} |
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|
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FS_FreeImage( icon ); |
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} |
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} |
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|
|
#if defined(_WIN32) && !defined(XASH_64BIT) // ICO support only for Win32 |
|
if( !iconLoaded ) |
|
{ |
|
WIN_SetWindowIcon( LoadIcon( host.hInst, MAKEINTRESOURCE( 101 ) ) ); |
|
iconLoaded = true; |
|
} |
|
#endif |
|
|
|
SDL_ShowWindow( host.hWnd ); |
|
|
|
if( glw_state.software ) |
|
{ |
|
int sdl_renderer = -2; |
|
char cmd[64]; |
|
|
|
if( Sys_GetParmFromCmdLine("-sdl_renderer", cmd ) ) |
|
sdl_renderer = Q_atoi( cmd ); |
|
|
|
if( sdl_renderer >= -1 ) |
|
{ |
|
sw.renderer = SDL_CreateRenderer( host.hWnd, sdl_renderer, 0 ); |
|
if( !sw.renderer ) |
|
Con_Printf( S_ERROR "failed to create SDL renderer: %s\n", SDL_GetError() ); |
|
else |
|
{ |
|
SDL_RendererInfo info; |
|
SDL_GetRendererInfo( sw.renderer, &info ); |
|
Con_Printf( "SDL_Renderer %s initialized\n", info.name ); |
|
} |
|
} |
|
} |
|
else |
|
{ |
|
if( !glw_state.initialized ) |
|
{ |
|
if( !GL_CreateContext( )) |
|
return false; |
|
|
|
VID_StartupGamma(); |
|
} |
|
|
|
if( !GL_UpdateContext( )) |
|
return false; |
|
|
|
SDL_GL_GetDrawableSize( host.hWnd, &width, &height ); |
|
} |
|
R_SaveVideoMode( width, height ); |
|
|
|
return true; |
|
} |
|
|
|
/* |
|
================= |
|
VID_DestroyWindow |
|
================= |
|
*/ |
|
void VID_DestroyWindow( void ) |
|
{ |
|
GL_DeleteContext(); |
|
|
|
VID_RestoreScreenResolution(); |
|
if( host.hWnd ) |
|
{ |
|
SDL_DestroyWindow ( host.hWnd ); |
|
host.hWnd = NULL; |
|
} |
|
|
|
if( refState.fullScreen ) |
|
{ |
|
refState.fullScreen = false; |
|
} |
|
} |
|
|
|
/* |
|
================== |
|
GL_SetupAttributes |
|
================== |
|
*/ |
|
static void GL_SetupAttributes( void ) |
|
{ |
|
SDL_GL_ResetAttributes(); |
|
|
|
ref.dllFuncs.GL_SetupAttributes( glw_state.safe ); |
|
} |
|
|
|
|
|
void GL_SwapBuffers() |
|
{ |
|
SDL_GL_SwapWindow( host.hWnd ); |
|
} |
|
|
|
|
|
int GL_SetAttribute( int attr, int val ) |
|
{ |
|
switch( attr ) |
|
{ |
|
case REF_GL_CONTEXT_PROFILE_MASK: |
|
#ifdef SDL_HINT_OPENGL_ES_DRIVER |
|
if( val == REF_GL_CONTEXT_PROFILE_ES ) |
|
SDL_SetHint( SDL_HINT_OPENGL_ES_DRIVER, "1" ); |
|
#endif // SDL_HINT_OPENGL_ES_DRIVER |
|
break; |
|
default: |
|
break; |
|
} |
|
|
|
return SDL_GL_SetAttribute( (SDL_GLattr)attr, val ); |
|
} |
|
|
|
int GL_GetAttribute( int attr, int *val ) |
|
{ |
|
return SDL_GL_GetAttribute( (SDL_GLattr)attr, val ); |
|
} |
|
|
|
#ifndef EGL_LIB |
|
#define EGL_LIB NULL |
|
#endif |
|
|
|
/* |
|
================== |
|
R_Init_Video |
|
================== |
|
*/ |
|
qboolean R_Init_Video( const int type ) |
|
{ |
|
SDL_DisplayMode displayMode; |
|
string safe; |
|
qboolean retval; |
|
|
|
SDL_GetCurrentDisplayMode(0, &displayMode); |
|
glw_state.desktopBitsPixel = SDL_BITSPERPIXEL(displayMode.format); |
|
glw_state.desktopWidth = displayMode.w; |
|
glw_state.desktopHeight = displayMode.h; |
|
|
|
#if !defined(_WIN32) |
|
SDL_SetHint( "SDL_VIDEO_X11_XRANDR", "1" ); |
|
SDL_SetHint( "SDL_VIDEO_X11_XVIDMODE", "1" ); |
|
#endif |
|
|
|
R_InitVideoModes(); |
|
|
|
// must be initialized before creating window |
|
#ifdef _WIN32 |
|
WIN_SetDPIAwareness(); |
|
#endif |
|
|
|
switch( type ) |
|
{ |
|
case REF_SOFTWARE: |
|
glw_state.software = true; |
|
break; |
|
case REF_GL: |
|
if( !glw_state.safe && Sys_GetParmFromCmdLine( "-safegl", safe ) ) |
|
glw_state.safe = bound( SAFE_NO, Q_atoi( safe ), SAFE_DONTCARE ); |
|
|
|
// refdll can request some attributes |
|
GL_SetupAttributes( ); |
|
|
|
if( SDL_GL_LoadLibrary( EGL_LIB ) ) |
|
{ |
|
Con_Reportf( S_ERROR "Couldn't initialize OpenGL: %s\n", SDL_GetError()); |
|
return false; |
|
} |
|
break; |
|
default: |
|
Host_Error( "Can't initialize unknown context type %d!\n", type ); |
|
break; |
|
} |
|
|
|
if( !(retval = VID_SetMode()) ) |
|
{ |
|
return retval; |
|
} |
|
|
|
switch( type ) |
|
{ |
|
case REF_GL: |
|
// refdll also can check extensions |
|
ref.dllFuncs.GL_InitExtensions(); |
|
break; |
|
case REF_SOFTWARE: |
|
default: |
|
break; |
|
} |
|
|
|
host.renderinfo_changed = false; |
|
|
|
return true; |
|
} |
|
|
|
rserr_t R_ChangeDisplaySettings( int width, int height, qboolean fullscreen ) |
|
{ |
|
SDL_DisplayMode displayMode; |
|
|
|
SDL_GetCurrentDisplayMode( 0, &displayMode ); |
|
|
|
Con_Reportf( "R_ChangeDisplaySettings: Setting video mode to %dx%d %s\n", width, height, fullscreen ? "fullscreen" : "windowed" ); |
|
|
|
// check our desktop attributes |
|
glw_state.desktopBitsPixel = SDL_BITSPERPIXEL( displayMode.format ); |
|
glw_state.desktopWidth = displayMode.w; |
|
glw_state.desktopHeight = displayMode.h; |
|
|
|
refState.fullScreen = fullscreen; |
|
|
|
if( !host.hWnd ) |
|
{ |
|
if( !VID_CreateWindow( width, height, fullscreen ) ) |
|
return rserr_invalid_mode; |
|
} |
|
else if( fullscreen ) |
|
{ |
|
if( !VID_SetScreenResolution( width, height ) ) |
|
return rserr_invalid_fullscreen; |
|
} |
|
else |
|
{ |
|
VID_RestoreScreenResolution(); |
|
if( SDL_SetWindowFullscreen( host.hWnd, 0 ) ) |
|
return rserr_invalid_fullscreen; |
|
SDL_RestoreWindow( host.hWnd ); |
|
#if SDL_VERSION_ATLEAST( 2, 0, 5 ) |
|
SDL_SetWindowResizable( host.hWnd, true ); |
|
#endif |
|
SDL_SetWindowBordered( host.hWnd, true ); |
|
SDL_SetWindowSize( host.hWnd, width, height ); |
|
if( !glw_state.software ) |
|
SDL_GL_GetDrawableSize( host.hWnd, &width, &height ); |
|
else |
|
SDL_RenderSetLogicalSize(sw.renderer, width, height); |
|
R_SaveVideoMode( width, height ); |
|
} |
|
|
|
return rserr_ok; |
|
} |
|
|
|
/* |
|
================== |
|
VID_SetMode |
|
|
|
Set the described video mode |
|
================== |
|
*/ |
|
qboolean VID_SetMode( void ) |
|
{ |
|
qboolean fullscreen = false; |
|
int iScreenWidth, iScreenHeight; |
|
rserr_t err; |
|
|
|
iScreenWidth = Cvar_VariableInteger( "width" ); |
|
iScreenHeight = Cvar_VariableInteger( "height" ); |
|
|
|
if( iScreenWidth < VID_MIN_WIDTH || |
|
iScreenHeight < VID_MIN_HEIGHT ) // trying to get resolution automatically by default |
|
{ |
|
#if !defined( DEFAULT_MODE_WIDTH ) || !defined( DEFAULT_MODE_HEIGHT ) |
|
SDL_DisplayMode mode; |
|
|
|
SDL_GetDesktopDisplayMode( 0, &mode ); |
|
|
|
iScreenWidth = mode.w; |
|
iScreenHeight = mode.h; |
|
#else |
|
iScreenWidth = DEFAULT_MODE_WIDTH; |
|
iScreenHeight = DEFAULT_MODE_HEIGHT; |
|
#endif |
|
|
|
if( !FBitSet( vid_fullscreen->flags, FCVAR_CHANGED ) ) |
|
Cvar_SetValue( "fullscreen", DEFAULT_FULLSCREEN ); |
|
else |
|
ClearBits( vid_fullscreen->flags, FCVAR_CHANGED ); |
|
} |
|
|
|
SetBits( gl_vsync->flags, FCVAR_CHANGED ); |
|
fullscreen = Cvar_VariableInteger("fullscreen") != 0; |
|
|
|
if(( err = R_ChangeDisplaySettings( iScreenWidth, iScreenHeight, fullscreen )) == rserr_ok ) |
|
{ |
|
sdlState.prev_width = iScreenWidth; |
|
sdlState.prev_height = iScreenHeight; |
|
} |
|
else |
|
{ |
|
if( err == rserr_invalid_fullscreen ) |
|
{ |
|
Cvar_SetValue( "fullscreen", 0 ); |
|
Con_Reportf( S_ERROR "VID_SetMode: fullscreen unavailable in this mode\n" ); |
|
Sys_Warn("fullscreen unavailable in this mode!"); |
|
if(( err = R_ChangeDisplaySettings( iScreenWidth, iScreenHeight, false )) == rserr_ok ) |
|
return true; |
|
} |
|
else if( err == rserr_invalid_mode ) |
|
{ |
|
Con_Reportf( S_ERROR "VID_SetMode: invalid mode\n" ); |
|
Sys_Warn( "invalid mode, engine will run in %dx%d", sdlState.prev_width, sdlState.prev_height ); |
|
} |
|
|
|
// try setting it back to something safe |
|
if(( err = R_ChangeDisplaySettings( sdlState.prev_width, sdlState.prev_height, false )) != rserr_ok ) |
|
{ |
|
Con_Reportf( S_ERROR "VID_SetMode: could not revert to safe mode\n" ); |
|
Sys_Warn("could not revert to safe mode!"); |
|
return false; |
|
} |
|
} |
|
return true; |
|
} |
|
|
|
/* |
|
================== |
|
R_Free_Video |
|
================== |
|
*/ |
|
void R_Free_Video( void ) |
|
{ |
|
GL_DeleteContext (); |
|
|
|
VID_DestroyWindow (); |
|
|
|
R_FreeVideoModes(); |
|
|
|
ref.dllFuncs.GL_ClearExtensions(); |
|
} |
|
|
|
#endif // XASH_DEDICATED
|
|
|