I can't even

text_rendering/ren.h

@@ -0,0 +1,48 @@
+#ifndef _RENDERER_H
+#define _RENDERER_H
+
+#include <SDL2/SDL.h>
+
+
+#define FONT_PATH "./monospace.ttf"
+#define FONT_VERSHADER "./font_vertshader.glsl"
+#define FONT_FRAGSHADER "./font_fragshader.glsl"
+#define REN_VERTEX_IDX 0
+#define REN_UV_IDX     1
+#define REN_COLOR_IDX  2
+#define REN_SCREENSIZE_LOC 0
+
+
+typedef struct {
+	union { int x, u; };
+	union { int y, v; };
+} vec2_i;
+
+typedef struct {
+	union { int x, r; };
+	union { int y, g; };
+	union { int z, b; };
+	union { int w, a; };
+} vec4_i;
+
+// textured vertex
+struct v_text {
+	vec2_i pos;
+	vec2_i uv;
+};
+
+// colored vertex
+struct v_col {
+	vec2_i pos;
+	vec2_i col;
+};
+
+
+int ren_init(SDL_Window *sdl_window);
+int ren_free(void);
+const char * ren_strerror(void);
+int ren_update_viewport(int w, int h);
+int ren_render_text(const char *str, int x, int y, int w, int h, int size);
+
+
+#endif