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87 lines
2.1 KiB
C
87 lines
2.1 KiB
C
#ifdef INTELLISENSE_DIRECTIVES
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# include "arena.h"
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# include "thread_context.h"
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#endif
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// Copyright (c) 2024 Epic Games Tools
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// Licensed under the MIT license (https://opensource.org/license/mit/)
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////////////////////////////////
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// NOTE(allen): Thread MD_Context Functions
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MD_API_C md_thread_static MD_TCTX* md_tctx_thread_local;
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#if ! MD_BUILD_SUPPLEMENTARY_UNIT
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MD_API_C md_thread_static MD_TCTX* md_tctx_thread_local = 0;
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#endif
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void
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md_tctx_init_and_equip(MD_TCTX* md_tctx)
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{
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// md_memory_zero_struct(md_tctx);
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MD_Arena** md_arena_ptr = md_tctx->arenas;
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for (MD_U64 i = 0; i < md_array_count(md_tctx->arenas); i += 1, md_arena_ptr += 1)
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{
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if (*md_arena_ptr == md_nullptr)
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{
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MD_VArena* vm = md_varena_alloc(.reserve_size = MD_VARENA_DEFAULT_RESERVE, .commit_size = MD_VARENA_DEFAULT_COMMIT);
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*md_arena_ptr = md_arena_alloc(.backing = md_varena_allocator(vm));
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}
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}
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md_tctx_thread_local = md_tctx;
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}
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void
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md_tctx_init_and_equip_alloc(MD_TCTX* md_tctx, MD_AllocatorInfo ainfo)
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{
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md_memory_zero_struct(md_tctx);
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MD_Arena** md_arena_ptr = md_tctx->arenas;
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for (MD_U64 i = 0; i < md_array_count(md_tctx->arenas); i += 1, md_arena_ptr += 1)
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{
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if (*md_arena_ptr == md_nullptr) {
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*md_arena_ptr = md_arena_alloc(.backing = ainfo);
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}
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}
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md_tctx_thread_local = md_tctx;
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}
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void
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md_tctx_release(void) {
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for (MD_U64 i = 0; i < md_array_count(md_tctx_thread_local->arenas); i += 1) {
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md_arena_release(md_tctx_thread_local->arenas[i]);
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}
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}
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MD_TCTX*
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md_tctx_get_equipped(void){
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return(md_tctx_thread_local);
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}
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MD_Arena*
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md_tctx_get_scratch(MD_Arena** conflicts, MD_U64 count)
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{
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MD_TCTX* md_tctx = md_tctx_get_equipped();
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MD_Arena* result = 0;
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MD_Arena** md_arena_ptr = md_tctx->arenas;
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for (MD_U64 i = 0; i < md_array_count(md_tctx->arenas); i += 1, md_arena_ptr += 1)
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{
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MD_Arena** conflict_ptr = conflicts;
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MD_B32 has_conflict = 0;
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for (MD_U64 j = 0; j < count; j += 1, conflict_ptr += 1)
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{
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if (*md_arena_ptr == *conflict_ptr) {
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has_conflict = 1;
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break;
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}
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}
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if ( ! has_conflict){
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result = *md_arena_ptr;
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break;
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}
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}
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return(result);
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}
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