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54 lines
1.1 KiB
54 lines
1.1 KiB
#ifndef _RENDERER_H
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#define _RENDERER_H
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#include <SDL2/SDL.h>
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#define DEFAULT_FONT "/usr/share/fonts/TTF/FiraCode-Regular.ttf"
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#define FONT_VERSHADER "./font_vertshader.glsl"
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#define FONT_FRAGSHADER "./font_fragshader.glsl"
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#define BOX_VERSHADER "./box_vertshader.glsl"
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#define BOX_FRAGSHADER "./box_fragshader.glsl"
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#define REN_VERTEX_IDX 0
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#define REN_UV_IDX 1
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#define REN_COLOR_IDX 2
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#define REN_TABSIZE 8
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typedef struct {
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union { int x, u; };
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union { int y, v; };
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} vec2_i;
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typedef struct {
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union { int x, r; };
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union { int y, g; };
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union { int z, b; };
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union { int w, a; };
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} vec4_i;
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// textured vertex
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struct v_text {
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vec2_i pos;
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vec2_i uv;
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};
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// colored vertex
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struct v_col {
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vec2_i pos;
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vec4_i col;
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};
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int ren_init(SDL_Window *sdl_window);
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int ren_free(void);
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const char * ren_strerror(void);
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int ren_update_viewport(int w, int h);
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int ren_set_scissor(int x, int y, int w, int h);
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int ren_get_text_box(const char *str, int *rw, int *rh, int size);
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int ren_render_text(const char *str, int x, int y, int w, int h, int size);
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int ren_render_box(int x, int y, int w, int h, unsigned int color);
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int ren_clear(void);
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#endif
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