From bb4d634962cdf97affd041a81b12c3d2c8d46bf7 Mon Sep 17 00:00:00 2001
From: Fox Caminiti <fox@foxcam.net>
Date: Thu, 17 Nov 2022 23:56:43 -0500
Subject: clipboard, simd, sd experiments

---
 memory.cpp | 42 +++++++++++++++++-------------------------
 1 file changed, 17 insertions(+), 25 deletions(-)

(limited to 'memory.cpp')

diff --git a/memory.cpp b/memory.cpp
index 53388bf..4593d49 100644
--- a/memory.cpp
+++ b/memory.cpp
@@ -26,16 +26,18 @@ Memory_Block_AllocateNew(memory *Memory, memory_table_list TableName)
 }
 
 static void *
-Memory_Block_AddressAtIndex(memory *Memory, memory_table_list TableName, uint32 Index)
+Memory_Block_AddressAtIndex(memory *Memory, memory_table_list TableName, uint32 Index, bool32 AssertExists = 1)
 {
     memory_table *Table = &Memory->Slot[TableName];
     Assert(Table->Block_ElementSize != 0);
     uint8 *Address = (uint8 *)Table->Address + (Table->Block_ElementSize * Index);
+    if (AssertExists)
+        Assert(*Address != 0);
     return (void *)Address;
 }
 
 static uint16
-Memory_Block_IndexAtAddress(memory *Memory, memory_table_list TableName, void *Address)
+Memory_Block_LazyIndexAtAddress(memory *Memory, memory_table_list TableName, void *Address)
 {
     memory_table *Table = &Memory->Slot[TableName];
     return ((uint8 *)Address - (uint8 *)Table->Address) / Table->Block_ElementSize;
@@ -45,7 +47,7 @@ static void *
 Memory_Block_AllocateAddress(memory *Memory, memory_table_list TableName)
 {
     uint16 FileIndex = Memory_Block_AllocateNew(Memory, TableName);
-    return Memory_Block_AddressAtIndex(Memory, TableName, FileIndex);
+    return Memory_Block_AddressAtIndex(Memory, TableName, FileIndex, 0);
 }
 
 // IMPORTANT(fox): All block data has to start with a uint8 Occupied variable!
@@ -60,7 +62,7 @@ Block_Loop(memory *Memory, memory_table_list TableName, uint32 TotalCount, int *
             *HasIncremented = 0;
             (*Index)++;
         }
-        uint8 *Occupied = (uint8 *)Memory_Block_AddressAtIndex(Memory, TableName, *Index);
+        uint8 *Occupied = (uint8 *)Memory_Block_AddressAtIndex(Memory, TableName, *Index, 0);
         if (*Occupied) {
             *HasIncremented = 1;
             (*CurrentCount)++;
@@ -179,23 +181,6 @@ Memory_Block_Bitmap_AllocateNew(project_state *State, memory *Memory, cache_entr
 
 }
 
-static void
-Memory_Cache_Invalidate(project_state *State, memory *Memory, cache_entry_type Type, uint32 TypeInfo, uint32 TypeInfo_Sub)
-{
-    cache_entry *EntryArray = State->Render.Entry;
-    int c = 0;
-    int count = Memory->EntryCount;
-    while (count != 0) {
-        if (EntryArray[c].Type == Type &&
-            EntryArray[c].TypeInfo == TypeInfo) {
-            EntryArray[c].IsOccupied = false;
-            Memory->EntryCount--;
-        }
-        c++;
-        count--;
-    }
-}
-
 static cache_entry *
 Memory_Cache_Search(project_state *State, memory *Memory, cache_entry_type Type, uint32 TypeInfo, uint32 TypeInfo_Sub)
 {
@@ -203,10 +188,17 @@ Memory_Cache_Search(project_state *State, memory *Memory, cache_entry_type Type,
     int c = 0;
     int count = Memory->EntryCount;
     while (count != 0) {
-        if (EntryArray[c].Type == Type &&
-            EntryArray[c].TypeInfo == TypeInfo &&
-            EntryArray[c].TypeInfo_Sub == TypeInfo_Sub) {
-            return &EntryArray[c];
+        if (Type == cache_entry_type_comp) {
+            if (EntryArray[c].Type == Type &&
+                EntryArray[c].TypeInfo == TypeInfo) {
+                return &EntryArray[c];
+            }
+        } else {
+            if (EntryArray[c].Type == Type &&
+                EntryArray[c].TypeInfo == TypeInfo &&
+                EntryArray[c].TypeInfo_Sub == TypeInfo_Sub) {
+                return &EntryArray[c];
+            }
         }
         c++;
         count--;
-- 
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