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borken : lots of stuff changed, explaining in later commit...v

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This commit is contained in:
Edward R. Gonzalez
2024-12-07 00:21:09 -05:00
parent ceea184d5a
commit 4d638a7255
46 changed files with 3352 additions and 2570 deletions
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43
project/dependencies/memory.hpp
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@ -22,8 +22,6 @@ void swap( Type& a, Type& b )
b = tmp;
}
GEN_API_C_BEGIN
//! Checks if value is power of 2.
b32 is_power_of_two( ssize x );
@ -64,23 +62,21 @@ void zero_size( void* ptr, ssize size );
//! Clears up an array.
#define zero_array( a, count ) zero_size( ( a ), size_of( *( a ) ) * count )
enum AllocType_Def //enum_underlying(u8)
enum AllocType : u8
{
EAllocation_ALLOC,
EAllocation_FREE,
EAllocation_FREE_ALL,
EAllocation_RESIZE,
};
typedef enum AllocType_Def AllocType;
typedef void*(AllocatorProc)( void* allocator_data, AllocType type, ssize size, ssize alignment, void* old_memory, ssize old_size, u64 flags );
struct AllocatorInfo_Def
struct AllocatorInfo
{
AllocatorProc* Proc;
void* Data;
};
typedef struct AllocatorInfo_Def AllocatorInfo;
enum AllocFlag
{
@ -144,12 +140,11 @@ constexpr AllocatorInfo heap( void ) { AllocatorInfo allocator = { heap_allocato
//! Helper to free memory allocated by heap allocator.
#define mfree( ptr ) free( heap(), ptr )
struct VirtualMemory_Def
struct VirtualMemory
{
void* data;
ssize size;
};
typedef struct VirtualMemory_Def VirtualMemory;
//! Initialize virtual memory from existing data.
VirtualMemory vm_from_memory( void* data, ssize size );
@ -173,8 +168,7 @@ b32 vm_purge( VirtualMemory vm );
ssize virtual_memory_page_size( ssize* alignment_out );
#pragma region Arena
struct Arena_Def;
typedef struct Arena_Def Arena;
struct Arena;
AllocatorInfo arena_allocator_info( Arena* arena );
@ -191,7 +185,7 @@ void arena_check (Arena* arena);
void arena_free (Arena* arena);
ssize arena_size_remaining(Arena* arena, ssize alignment);
struct Arena_Def
struct Arena
{
AllocatorInfo Backing;
void* PhysicalStart;
@ -199,7 +193,7 @@ struct Arena_Def
ssize TotalUsed;
ssize TempCount;
#if GEN_SUPPORT_CPP_MEMBER_FEATURES
#if GEN_COMPILER_CPP
#pragma region Member Mapping
forceinline operator AllocatorInfo() { return GEN_NS arena_allocator_info(this); }
@ -221,8 +215,7 @@ struct Arena_Def
#endif
};
#if GEN_SUPPORT_CPP_REFERENCES
GEN_API_C_END
#if GEN_COMPILER_CPP
forceinline AllocatorInfo allocator_info(Arena& arena ) { return arena_allocator_info(& arena); }
forceinline Arena init_sub (Arena& parent, ssize size) { return arena_init_sub( & parent, size); }
forceinline ssize alignment_of (Arena& arena, ssize alignment) { return arena_alignment_of( & arena, alignment); }
@ -234,7 +227,6 @@ forceinline ssize size_remaining(Arena& arena, ssize alignment) { return
#undef check
forceinline void check(Arena& arena) { return arena_check(& arena); };
#pragma pop_macro("check")
GEN_API_C_BEGIN
#endif
@ -320,8 +312,6 @@ ssize arena_size_remaining(Arena* arena, ssize alignment)
}
#pragma endregion Arena
GEN_API_C_END
#pragma region FixedArena
template<s32 Size>
struct FixedArena;
@ -330,7 +320,7 @@ template<s32 Size> FixedArena<Size> fixed_arena_init();
template<s32 Size> AllocatorInfo fixed_arena_allocator_info(FixedArena<Size>* fixed_arena );
template<s32 Size> ssize fixed_arena_size_remaining(FixedArena<Size>* fixed_arena, ssize alignment);
#if GEN_SUPPORT_CPP_REFERENCES
#if 0
template<s32 Size> AllocatorInfo allocator_info( FixedArena<Size>& fixed_arena ) { return allocator_info(& fixed_arena); }
template<s32 Size> ssize size_remaining(FixedArena<Size>& fixed_arena, ssize alignment) { return size_remaining( & fixed_arena, alignment); }
#endif
@ -343,7 +333,7 @@ struct FixedArena
char memory[Size];
Arena arena;
#if GEN_SUPPORT_CPP_MEMBER_FEATURES
#if 0
#pragma region Member Mapping
forceinline operator AllocatorInfo() { return GEN_NS allocator_info(this); }
@ -389,11 +379,8 @@ using Arena_2MB = FixedArena< megabytes( 2 ) >;
using Arena_4MB = FixedArena< megabytes( 4 ) >;
#pragma endregion FixedArena
GEN_API_C_BEGIN
#pragma region Pool
struct Pool_Def;
typedef struct Pool_Def Pool;
struct Pool;
void* pool_allocator_proc(void* allocator_data, AllocType type, ssize size, ssize alignment, void* old_memory, ssize old_size, u64 flags);
@ -403,15 +390,13 @@ AllocatorInfo pool_allocator_info(Pool* pool);
void pool_clear(Pool* pool);
void pool_free(Pool* pool);
#if GEN_SUPPORT_CPP_REFERENCES
GEN_API_C_END
#if 0
AllocatorInfo allocator_info(Pool& pool) { return pool_allocator_info(& pool); }
void clear(Pool& pool) { return pool_clear(& pool); }
void free(Pool& pool) { return pool_free(& pool); }
GEN_API_C_BEGIN
#endif
struct Pool_Def
struct Pool
{
AllocatorInfo Backing;
void* PhysicalStart;
@ -421,7 +406,7 @@ struct Pool_Def
ssize TotalSize;
ssize NumBlocks;
#if GEN_SUPPORT_CPP_MEMBER_FEATURES
#if ! GEN_C_LIKE_CPP
#pragma region Member Mapping
forceinline operator AllocatorInfo() { return GEN_NS pool_allocator_info(this); }
@ -684,6 +669,4 @@ void zero_size( void* ptr, ssize size ) {
mem_set( ptr, 0, size );
}
GEN_API_C_END
#pragma endregion Memory