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1 /* |
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
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3 * Copyright 2024 Mike Becker. All rights reserved. |
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4 * |
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5 * Redistribution and use in source and binary forms, with or without |
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6 * modification, are permitted provided that the following conditions are met: |
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7 * |
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8 * 1. Redistributions of source code must retain the above copyright |
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9 * notice, this list of conditions and the following disclaimer. |
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10 * |
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11 * 2. Redistributions in binary form must reproduce the above copyright |
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12 * notice, this list of conditions and the following disclaimer in the |
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13 * documentation and/or other materials provided with the distribution. |
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14 * |
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15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
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19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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25 * POSSIBILITY OF SUCH DAMAGE. |
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26 */ |
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27 |
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28 #ifndef ASCENSION_TEXTURE_H |
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29 #define ASCENSION_TEXTURE_H |
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30 |
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31 #include <SDL2/SDL_surface.h> |
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32 |
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33 typedef struct AscTexture AscTexture; |
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34 |
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35 struct AscTexture { |
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36 unsigned target; |
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37 unsigned tex_id; |
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38 }; |
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39 |
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40 #define asc_texture_uninitialized(tex) ((tex)->tex_id == 0) |
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41 |
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42 enum asc_texture_target { |
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43 ASC_TEXTURE_RECTANGLE |
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44 }; |
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45 |
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46 enum asc_texture_min_filter { |
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47 ASC_TEXTURE_MIN_FILTER_NEAREST, |
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48 ASC_TEXTURE_MIN_FILTER_LINEAR, |
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49 ASC_TEXTURE_MIN_FILTER_NEAREST_MIPMAP_NEAREST, |
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50 ASC_TEXTURE_MIN_FILTER_LINEAR_MIPMAP_NEAREST, |
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51 ASC_TEXTURE_MIN_FILTER_NEAREST_MIPMAP_LINEAR, |
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52 ASC_TEXTURE_MIN_FILTER_LINEAR_MIPMAP_LINEAR |
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53 }; |
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54 |
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55 enum asc_texture_mag_filter { |
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56 ASC_TEXTURE_MAG_FILTER_NEAREST, |
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57 ASC_TEXTURE_MAG_FILTER_LINEAR |
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58 }; |
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59 |
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60 __attribute__((__nonnull__)) |
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61 void asc_texture_init( |
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62 AscTexture *tex, |
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63 enum asc_texture_target target, |
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64 enum asc_texture_min_filter min_filter, |
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65 enum asc_texture_mag_filter mag_filter |
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66 ); |
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67 |
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68 __attribute__((__nonnull__)) |
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69 void asc_texture_destroy(AscTexture *tex); |
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70 |
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71 #define asc_texture_init_rectangle(tex) \ |
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72 asc_texture_init(tex, ASC_TEXTURE_RECTANGLE, \ |
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73 ASC_TEXTURE_MIN_FILTER_LINEAR, ASC_TEXTURE_MAG_FILTER_LINEAR) |
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74 |
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75 __attribute__((__nonnull__)) |
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76 void asc_texture_bind(AscTexture const *tex, int uniform_location, int unit); |
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77 |
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78 __attribute__((__nonnull__)) |
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79 void asc_texture_from_surface(AscTexture *tex, SDL_Surface const *surface); |
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80 |
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81 #endif //ASCENSION_TEXTURE_H |