Drawing a textured quad

Added new assets
Loaded all texture assets into game state
Loaded the basic pipeline
Setup a hard-coded quad to test drawing
Created a very jank vertex struct
Added ReadEntireFile for filesystem
Added getting file size from file handle
Added a descriptor pool to each in flight frame
Changed Vk_BufferCreate to handle multiple uses
Added shader building to the windows.bat build script

code/os/core.c

@@ -1,3 +1,19 @@
 #if OS_WINDOWS
 	#include "impl/windows/core.c"
 #endif
+
+
+Str8 FS_ReadEntireFile(M_Arena *arena, Str8 path) {
+	Str8 result = { 0 };
+
+	OS_Handle file = FS_FileOpen(path, FS_ACCESS_READ);
+	if (file.v[0]) {
+		result.count = FS_FileSize(file);
+		result.data  = M_ArenaPush(arena, U8, .count = result.count);
+
+		FS_FileRead(file, result.data, result.count, 0);
+		FS_FileClose(file);
+	}
+
+	return result;
+}

code/os/filesystem.h

@@ -13,6 +13,8 @@ function void      FS_FileClose(OS_Handle file);
 function void FS_FileRead(OS_Handle file, void *ptr, U64 size, U64 offset);
 function void FS_FileWrite(OS_Handle file, void *ptr, U64 size, U64 offset);
 
+function U64 FS_FileSize(OS_Handle file);
+
 typedef U32 FS_EntryType;
 enum {
 	FS_ENTRY_TYPE_FILE = 0,
@@ -42,4 +44,6 @@ struct FS_List {
 
 function FS_List FS_PathList(M_Arena *arena, Str8 path);
 
+function Str8 FS_ReadEntireFile(M_Arena *arena, Str8 path);
+
 #endif  // LD_OS_FILESYSTEM_H_

code/os/impl/windows/filesystem.c

@@ -83,6 +83,19 @@ void FS_FileWrite(OS_Handle file, void *ptr, U64 size, U64 offset) {
 	}
 }
 
+U64 FS_FileSize(OS_Handle file) {
+	U64 result = 0;
+	HANDLE hFile = cast(HANDLE) file.v[0];
+	if (hFile) {
+		DWORD dwLow, dwHigh;
+		dwLow = GetFileSize(hFile, &dwHigh);
+
+		result = ((U64) dwHigh << 32) | ((U64) dwLow);
+	}
+
+	return result;
+}
+
 FS_List FS_PathList(M_Arena *arena, Str8 path) {
 	FS_List result = { 0 };