Texture Rendering (#9)

Co-authored-by: Zachary Levy <zachary@sunforge.is>
Reviewed-on: #9

draw/text.odin

@@ -139,6 +139,7 @@ text :: proc(
 	temp_allocator := context.temp_allocator,
 ) {
 	c_str := strings.clone_to_cstring(text_string, temp_allocator)
+	defer delete(c_str, temp_allocator)
 
 	sdl_text: ^sdl_ttf.Text
 	cached := false
@@ -180,6 +181,7 @@ measure_text :: proc(
 	allocator := context.temp_allocator,
 ) -> [2]f32 {
 	c_str := strings.clone_to_cstring(text_string, allocator)
+	defer delete(c_str, allocator)
 	width, height: c.int
 	if !sdl_ttf.GetStringSize(get_font(font_id, font_size), c_str, 0, &width, &height) {
 		log.panicf("Failed to measure text: %s", sdl.GetError())
@@ -244,7 +246,7 @@ bottom_right_of_text :: proc(text_string: string, font_id: Font_Id, font_size: u
 // After calling this, subsequent text draws with an `id` will re-create their cache entries.
 clear_text_cache :: proc() {
 	for _, sdl_text in GLOB.text_cache.cache {
-		sdl_ttf.DestroyText(sdl_text)
+		append(&GLOB.pending_text_releases, sdl_text)
 	}
 	clear(&GLOB.text_cache.cache)
 }
@@ -257,7 +259,7 @@ clear_text_cache_entry :: proc(id: u32) {
 	key := Cache_Key{id, .Custom}
 	sdl_text, ok := GLOB.text_cache.cache[key]
 	if ok {
-		sdl_ttf.DestroyText(sdl_text)
+		append(&GLOB.pending_text_releases, sdl_text)
 		delete_key(&GLOB.text_cache.cache, key)
 	}
 }