ascension: src/context.c@362b7659dc76

     1 /*

     2  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

     3  * Copyright 2023 Mike Becker. All rights reserved.

     4  *

     5  * Redistribution and use in source and binary forms, with or without

     6  * modification, are permitted provided that the following conditions are met:

     7  *

     8  *   1. Redistributions of source code must retain the above copyright

     9  *      notice, this list of conditions and the following disclaimer.

    10  *

    11  *   2. Redistributions in binary form must reproduce the above copyright

    12  *      notice, this list of conditions and the following disclaimer in the

    13  *      documentation and/or other materials provided with the distribution.

    14  *

    15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

    16  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

    17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

    18  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE

    19  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

    20  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

    21  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

    22  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

    23  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

    24  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

    25  * POSSIBILITY OF SUCH DAMAGE.

    26  */

    28 #include "ascension/context.h"

    29 #include "ascension/error.h"

    30 #include "ascension/utils.h"

    31 #include "ascension/shader.h"

    33 #include <cx/linked_list.h>

    35 #include <SDL2/SDL.h>

    36 #include <SDL2/SDL_ttf.h>

    38 AscContext asc_context;

    40 void asc_context_initialize(void) {

    41     if (asc_test_flag(asc_context.flags, ASC_FLAG_INITILIZED))

    42         return;

    43     memset(&asc_context, 0, sizeof(AscContext));

    45     // initialize error buffer

    46     cxBufferInit(

    47             &asc_context.error_buffer,

    48             NULL,

    49             256,

    50             NULL,

    51             CX_BUFFER_AUTO_EXTEND

    52     );

    54     // initialize SDL

    55     if (SDL_Init(SDL_INIT_VIDEO) < 0) {

    56         asc_error(SDL_GetError());

    57     } else {

    58         if (TTF_Init() < 0) {

    59             asc_error(TTF_GetError());

    60         }

    61     }

    62     SDL_ClearError();

    63     asc_set_flag(&asc_context.flags, ASC_FLAG_INITILIZED);

    64     asc_dprintf("Ascension context initialized.");

    65 }

    67 void asc_context_destroy(void) {

    68     asc_shader_destroy_predefined();

    69     for (unsigned int i = 0 ; i < ASC_MAX_WINDOWS ; i++) {

    70         asc_window_destroy(&asc_context.windows[i]);

    71     }

    72     asc_font_cache_clear();

    74     // quit SDL

    75     if (TTF_WasInit())

    76         TTF_Quit();

    77     SDL_Quit();

    79     // destroy the error buffer

    80     cxBufferDestroy(&asc_context.error_buffer);

    81     asc_context.flags = 0;

    82     asc_dprintf("Ascension context destroyed.");

    83 }

Mercurial > hg > ascension / file revision