65 lines
1.8 KiB
C
65 lines
1.8 KiB
C
/*
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Copyright (C) 2003 Parallel Realities
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Copyright (C) 2011, 2012, 2013 Guus Sliepen
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Copyright (C) 2015-2020 The Diligent Circle <diligentcircle@riseup.net>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 3
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of the License, or (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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "SDL.h"
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#include "defs.h"
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#include "structs.h"
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#include "screen.h"
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#include "window.h"
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SDL_Renderer *renderer;
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SDL_Texture *renderer_texture;
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void renderer_update()
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{
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SDL_UpdateTexture(renderer_texture, NULL, screen->pixels, screen->pitch);
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SDL_RenderCopy(renderer, renderer_texture, NULL, NULL);
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SDL_RenderPresent(renderer);
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}
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// Call after screen_adjustDimensions.
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void renderer_reset()
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{
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if (renderer == NULL)
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{
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renderer = SDL_CreateRenderer(window, -1, 0);
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if (renderer == NULL)
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{
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printf("Could not create renderer: %s\n", SDL_GetError());
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exit(1);
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}
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}
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SDL_RenderSetLogicalSize(renderer, screen->w, screen->h);
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if (renderer_texture != NULL)
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{
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SDL_DestroyTexture(renderer_texture);
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renderer_texture = NULL;
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}
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renderer_texture = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_STREAMING, screen->w, screen->h);
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if (renderer_texture == NULL)
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{
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printf("Couldn't create %ix%ix32 texture: %s\n", screen->w, screen->h, SDL_GetError());
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exit(1);
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}
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}
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