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overridable scratch; remove the tedious explicit thread init

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This commit is contained in:
Allen Webster
2021-08-13 11:19:03 -07:00
parent fcda88e1cd
commit 4ab0adf9cc
12 changed files with 89 additions and 95 deletions
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source/md.h
+11 -16
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@@ -7,7 +7,7 @@
/* NOTE(allen): Notes on overrides/macro options:
**
** Individual Overridables:
** Overridable :
** "file iteration" ** OPTIONAL
** #define MD_IMPL_FileIterIncrement
** (MD_Arena*, MD_FileIter*, MD_String8, MD_FileInfo* out) -> MD_b32
@@ -28,14 +28,18 @@
** #define MD_IMPL_ArenaSetAutoAlign (MD_IMPL_Arena*, MD_u64) -> void
** #define MD_IMPL_ArenaHeaderSize MD_u64
**
** "constants" ** REQUIRED (defaults to 1 gigabyte)
** #define MD_SCRATCH_SIZE MD_u64
** "scratch" ** REQUIRED (default implementation available)
** #define MD_IMPL_GetScratch (MD_IMPL_Arena**, MD_u64) -> MD_IMPL_Arena*
** "scratch constants" ** OPTIONAL (required for default scratch)
** #define MD_IMPL_ScratchSize MD_u64 / default 1 gigabyte
** #define MD_IMPL_ScratchCount MD_u64 / default 2
**
** Default Implementation Controls
** These controls default to '1' i.e. 'enabled'
** #define MD_DEFAULT_FILE_ITER -> construct "file iteration" from OS headers
** #define MD_DEFAULT_MEMORY -> construct "low level memory" from OS headers
** #define MD_DEFAULT_ARENA -> construct "arena" from "low level memory"
** #define MD_DEFAULT_SCRATCH -> construct "scratch" from "arena"
**
*/
@@ -49,8 +53,8 @@
#if !defined(MD_DEFAULT_ARENA)
# define MD_DEFAULT_ARENA 1
#endif
#if !defined(MD_SCRATCH_SIZE)
# define MD_SCRATCH_SIZE (1 << 30)
#if !defined(MD_DEFAULT_SCRATCH)
# define MD_DEFAULT_SCRATCH 1
#endif
@@ -338,14 +342,6 @@ struct MD_ArenaTemp{
MD_u64 pos;
};
//~ Thread Context
// TODO(allen): overrides for get scratch
typedef struct MD_ThreadContext MD_ThreadContext;
struct MD_ThreadContext{
MD_Arena *scratch_pool[2];
};
//~ Basic Unicode string types.
typedef struct MD_String8 MD_String8;
@@ -766,10 +762,9 @@ MD_FUNCTION void MD_ArenaClear(MD_Arena *arena);
MD_FUNCTION MD_ArenaTemp MD_ArenaBeginTemp(MD_Arena *arena);
MD_FUNCTION void MD_ArenaEndTemp(MD_ArenaTemp temp);
//~ Thread Context Functions
//~ Arena Scratch Pool
MD_FUNCTION void MD_ThreadInit(MD_ThreadContext *tctx_mem);
MD_FUNCTION MD_ArenaTemp MD_GetScratch(MD_Arena **conflicts, MD_u32 count);
MD_FUNCTION MD_ArenaTemp MD_GetScratch(MD_Arena **conflicts, MD_u64 count);
#define MD_ReleaseScratch(scratch) MD_ArenaEndTemp(scratch)