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eliminate bifurcated rw lock path based on exclusive mode; promote thread operations to base layer, use os layer as impl; first pass on moving file streaming layer to base layer's async wavefront

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This commit is contained in:
Ryan Fleury
2025-09-17 14:47:55 -07:00
parent 99c989a3c3
commit 0d15b8670b
40 changed files with 450 additions and 607 deletions
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src/texture_cache/texture_cache.c
+11 -11
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@@ -41,7 +41,7 @@ tex_init(void)
tex_shared->u2x_ring_base = push_array_no_zero(arena, U8, tex_shared->u2x_ring_size);
tex_shared->u2x_ring_cv = cond_var_alloc();
tex_shared->u2x_ring_mutex = mutex_alloc();
tex_shared->evictor_thread = os_thread_launch(tex_evictor_thread__entry_point, 0, 0);
tex_shared->evictor_thread = thread_launch(tex_evictor_thread__entry_point, 0);
}
////////////////////////////////
@@ -89,7 +89,7 @@ tex_scope_close(TEX_Scope *scope)
U64 stripe_idx = slot_idx%tex_shared->stripes_count;
TEX_Slot *slot = &tex_shared->slots[slot_idx];
TEX_Stripe *stripe = &tex_shared->stripes[stripe_idx];
OS_MutexScopeR(stripe->rw_mutex)
MutexScopeR(stripe->rw_mutex)
{
for(TEX_Node *n = slot->first; n != 0; n = n->next)
{
@@ -140,7 +140,7 @@ tex_texture_from_hash_topology(TEX_Scope *scope, U128 hash, TEX_Topology topolog
TEX_Stripe *stripe = &tex_shared->stripes[stripe_idx];
B32 found = 0;
B32 stale = 0;
OS_MutexScopeR(stripe->rw_mutex)
MutexScopeR(stripe->rw_mutex)
{
for(TEX_Node *n = slot->first; n != 0; n = n->next)
{
@@ -156,7 +156,7 @@ tex_texture_from_hash_topology(TEX_Scope *scope, U128 hash, TEX_Topology topolog
B32 node_is_new = 0;
if(!found)
{
OS_MutexScopeW(stripe->rw_mutex)
MutexScopeW(stripe->rw_mutex)
{
TEX_Node *node = 0;
for(TEX_Node *n = slot->first; n != 0; n = n->next)
@@ -222,7 +222,7 @@ internal B32
tex_u2x_enqueue_req(U128 hash, TEX_Topology top, U64 endt_us)
{
B32 good = 0;
OS_MutexScope(tex_shared->u2x_ring_mutex) for(;;)
MutexScope(tex_shared->u2x_ring_mutex) for(;;)
{
U64 unconsumed_size = tex_shared->u2x_ring_write_pos-tex_shared->u2x_ring_read_pos;
U64 available_size = tex_shared->u2x_ring_size-unconsumed_size;
@@ -249,7 +249,7 @@ tex_u2x_enqueue_req(U128 hash, TEX_Topology top, U64 endt_us)
internal void
tex_u2x_dequeue_req(U128 *hash_out, TEX_Topology *top_out)
{
OS_MutexScope(tex_shared->u2x_ring_mutex) for(;;)
MutexScope(tex_shared->u2x_ring_mutex) for(;;)
{
U64 unconsumed_size = tex_shared->u2x_ring_write_pos-tex_shared->u2x_ring_read_pos;
if(unconsumed_size >= sizeof(*hash_out)+sizeof(*top_out))
@@ -281,7 +281,7 @@ ASYNC_WORK_DEF(tex_xfer_work)
//- rjf: take task
B32 got_task = 0;
OS_MutexScopeR(stripe->rw_mutex)
MutexScopeR(stripe->rw_mutex)
{
for(TEX_Node *n = slot->first; n != 0; n = n->next)
{
@@ -308,7 +308,7 @@ ASYNC_WORK_DEF(tex_xfer_work)
}
//- rjf: commit results to cache
if(got_task) OS_MutexScopeW(stripe->rw_mutex)
if(got_task) MutexScopeW(stripe->rw_mutex)
{
for(TEX_Node *n = slot->first; n != 0; n = n->next)
{
@@ -333,7 +333,7 @@ ASYNC_WORK_DEF(tex_xfer_work)
internal void
tex_evictor_thread__entry_point(void *p)
{
ThreadNameF("[tex] evictor thread");
ThreadNameF("tex_evictor_thread");
for(;;)
{
U64 check_time_us = os_now_microseconds();
@@ -346,7 +346,7 @@ tex_evictor_thread__entry_point(void *p)
TEX_Slot *slot = &tex_shared->slots[slot_idx];
TEX_Stripe *stripe = &tex_shared->stripes[stripe_idx];
B32 slot_has_work = 0;
OS_MutexScopeR(stripe->rw_mutex)
MutexScopeR(stripe->rw_mutex)
{
for(TEX_Node *n = slot->first; n != 0; n = n->next)
{
@@ -361,7 +361,7 @@ tex_evictor_thread__entry_point(void *p)
}
}
}
if(slot_has_work) OS_MutexScopeW(stripe->rw_mutex)
if(slot_has_work) MutexScopeW(stripe->rw_mutex)
{
for(TEX_Node *n = slot->first, *next = 0; n != 0; n = next)
{