Progress on fleshing out rendering (Getting ui ready to render in "layer batches")

code/font/VEFontCache/LRU.odin

@@ -172,7 +172,8 @@ LRU_reload :: proc( cache : ^LRU_Cache, allocator : Allocator )
 
 LRU_hash_key :: #force_inline proc( key : u64 ) -> ( hash : u64 ) {
 	bytes := transmute( [8]byte ) key
-	hash   = fnv64a( bytes[:] )
+	// hash   = fnv64a( bytes[:] )
+	hash = cast(u64) crc64( bytes[:] )
 	return
 }
 

code/font/VEFontCache/VEFontCache.odin

@@ -754,8 +754,8 @@ reset_batch_codepoint_state :: proc( ctx : ^Context ) {
 shape_text_cached :: proc( ctx : ^Context, font : FontID, text_utf8 : string ) -> ^ShapedText
 {
 	font := font
-	// hash := cast(u64) crc32( transmute([]u8) text_utf8 )
-	hash := label_hash( text_utf8 )
+	hash := cast(u64) crc32( transmute([]u8) text_utf8 )
+	// hash := label_hash( text_utf8 )
 
 	shape_cache := & ctx.shape_cache
 	state       := & ctx.shape_cache.state

code/font/VEFontCache/mappings.odin

@@ -1,6 +1,7 @@
 package VEFontCache
 
 import "core:hash"
+	crc64  :: hash.crc64_xz
 	crc32  :: hash.crc32
 	fnv64a :: hash.fnv64a