adding gfx and ui stuff

gfx/Texture.h

@@ -0,0 +1,42 @@
+#ifndef LEDDA_TEXTURE_H
+#define LEDDA_TEXTURE_H
+
+#include "../core.h"
+#include "../vendor/loaders/stb_truetype.h"
+#include "../vendor/loaders/stb_image.h"
+#include "../vendor/glad/glad.h"
+
+typedef struct Texture Texture;
+struct Texture {
+    uint32 tex_id;
+    int32 width;
+    int32 height;
+};
+
+typedef struct GlyphMeta GlyphMeta;
+struct GlyphMeta {
+    Vec2 uv0;
+    Vec2 uv1;
+    real32 xOffset;
+    real32 yOffset;
+    real32 width;
+    real32 height;
+};
+
+DefineList(GlyphMeta, GlyphMeta);
+
+typedef struct Font Font;
+struct Font {
+    GlyphMetaList glyphMeta;
+    real32 lineHeight;
+    real32 charWidth;
+    uint32 texId;
+    uint32 glyphTableTexId;
+    uint32 glyphTableBufId;
+};
+
+Texture createTexture(const char* bitmap, int32 width, int32 height);
+Texture createTextureFromFile(const char* source_path);
+Font createFont(Arena *arena, string ttfLocation, real32 lineHeight);
+
+#endif