42 lines
915 B
C
42 lines
915 B
C
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#ifndef PRIVATE_TEXTURES_H
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#define PRIVATE_TEXTURES_H
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#include <SDL2/SDL.h>
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#include <stb_rect_pack.h>
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#include <glad/glad.h>
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#include <stdbool.h>
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struct texture {
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SDL_Rect srcrect; /* position in atlas */
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SDL_Surface *data; /* original image data */
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GLuint loner_data; /* loner textures store their data directly */
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int atlas_index; /* which atlas the texture is in */
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int8_t layer;
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};
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struct texture_cache_item {
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char *key;
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struct texture value;
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};
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struct texture_cache {
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/* from context */
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SDL_Window *window;
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struct texture_cache_item *hash;
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struct texture_cache_item *loner_hash;
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stbrp_node *node_buffer; /* used internally by stb_rect_pack */
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SDL_Surface **atlas_surfaces;
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GLuint *atlas_textures;
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int atlas_index;
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bool is_dirty; /* current atlas needs to be recreated */
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};
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#endif
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