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set up base-layer tctx info for thread wavefront metadata

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This commit is contained in:
Ryan Fleury
2025-08-15 12:16:58 -07:00
parent f754b4c2db
commit f1a1863d5c
5 changed files with 98 additions and 53 deletions
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src/base/base_thread_context.c
+57 -24
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@@ -2,44 +2,53 @@
// Licensed under the MIT license (https://opensource.org/license/mit/)
////////////////////////////////
// NOTE(allen): Thread Context Functions
//~ rjf: Globals
C_LINKAGE thread_static TCTX* tctx_thread_local;
#if !BUILD_SUPPLEMENTARY_UNIT
C_LINKAGE thread_static TCTX* tctx_thread_local = 0;
#endif
internal void
tctx_init_and_equip(TCTX *tctx)
////////////////////////////////
//~ rjf: Thread Context Functions
//- rjf: thread-context allocation & selection
internal TCTX *
tctx_alloc(void)
{
Arena *arena = arena_alloc();
TCTX *tctx = push_array(arena, TCTX, 1);
tctx->arenas[0] = arena;
tctx->arenas[1] = arena_alloc();
return tctx;
}
internal void
tctx_release(TCTX *tctx)
{
arena_release(tctx->arenas[1]);
arena_release(tctx->arenas[0]);
}
internal void
tctx_select(TCTX *tctx)
{
MemoryZeroStruct(tctx);
Arena **arena_ptr = tctx->arenas;
for(U64 i = 0; i < ArrayCount(tctx->arenas); i += 1, arena_ptr += 1)
{
*arena_ptr = arena_alloc();
}
tctx_thread_local = tctx;
}
internal void
tctx_release(void)
{
for(U64 i = 0; i < ArrayCount(tctx_thread_local->arenas); i += 1)
{
arena_release(tctx_thread_local->arenas[i]);
}
}
internal TCTX *
tctx_get_equipped(void)
tctx_selected(void)
{
return tctx_thread_local;
}
//- rjf: scratch arenas
internal Arena *
tctx_get_scratch(Arena **conflicts, U64 count)
{
TCTX *tctx = tctx_get_equipped();
TCTX *tctx = tctx_selected();
Arena *result = 0;
Arena **arena_ptr = tctx->arenas;
for(U64 i = 0; i < ArrayCount(tctx->arenas); i += 1, arena_ptr += 1)
@@ -63,10 +72,32 @@ tctx_get_scratch(Arena **conflicts, U64 count)
return result;
}
//- rjf: wavefront metadata
internal void
tctx_set_wavefront_info(U64 wavefront_idx, U64 wavefront_count)
{
TCTX *tctx = tctx_selected();
OS_Handle barrier = os_barrier_alloc(wavefront_count);
tctx->wavefront_idx = wavefront_idx;
tctx->wavefront_count = wavefront_count;
tctx->wavefront_barrier_id = barrier.u64[0];
}
internal void
tctx_wavefront_barrier_wait(void)
{
TCTX *tctx = tctx_selected();
OS_Handle barrier = {tctx->wavefront_barrier_id};
os_barrier_wait(barrier);
}
//- rjf: thread names
internal void
tctx_set_thread_name(String8 string)
{
TCTX *tctx = tctx_get_equipped();
TCTX *tctx = tctx_selected();
U64 size = ClampTop(string.size, sizeof(tctx->thread_name));
MemoryCopy(tctx->thread_name, string.str, size);
tctx->thread_name_size = size;
@@ -75,15 +106,17 @@ tctx_set_thread_name(String8 string)
internal String8
tctx_get_thread_name(void)
{
TCTX *tctx = tctx_get_equipped();
TCTX *tctx = tctx_selected();
String8 result = str8(tctx->thread_name, tctx->thread_name_size);
return result;
}
//- rjf: thread source-locations
internal void
tctx_write_srcloc(char *file_name, U64 line_number)
{
TCTX *tctx = tctx_get_equipped();
TCTX *tctx = tctx_selected();
tctx->file_name = file_name;
tctx->line_number = line_number;
}
@@ -91,7 +124,7 @@ tctx_write_srcloc(char *file_name, U64 line_number)
internal void
tctx_read_srcloc(char **file_name, U64 *line_number)
{
TCTX *tctx = tctx_get_equipped();
TCTX *tctx = tctx_selected();
*file_name = tctx->file_name;
*line_number = tctx->line_number;
}