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eliminate fallback key/hash pair cache in texture cache layer; we can rely on rewinding purely via the hash store layer

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This commit is contained in:
Ryan Fleury
2024-03-26 11:50:44 -07:00
parent 4027338a2f
commit 7cf8da0b43
4 changed files with 46 additions and 115 deletions
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src/texture_cache/texture_cache.h
+4 -24
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@@ -17,21 +17,6 @@ struct TEX_Topology
////////////////////////////////
//~ rjf: Cache Types
typedef struct TEX_KeyFallbackNode TEX_KeyFallbackNode;
struct TEX_KeyFallbackNode
{
TEX_KeyFallbackNode *next;
U128 key;
U128 hash;
};
typedef struct TEX_KeyFallbackSlot TEX_KeyFallbackSlot;
struct TEX_KeyFallbackSlot
{
TEX_KeyFallbackNode *first;
TEX_KeyFallbackNode *last;
};
typedef struct TEX_Node TEX_Node;
struct TEX_Node
{
@@ -109,12 +94,6 @@ struct TEX_Shared
TEX_Stripe *stripes;
TEX_Node **stripes_free_nodes;
// rjf: fallback cache
U64 fallback_slots_count;
U64 fallback_stripes_count;
TEX_KeyFallbackSlot *fallback_slots;
TEX_Stripe *fallback_stripes;
// rjf: user -> xfer thread
U64 u2x_ring_size;
U8 *u2x_ring_base;
@@ -168,13 +147,14 @@ internal void tex_scope_touch_node__stripe_r_guarded(TEX_Scope *scope, TEX_Node
////////////////////////////////
//~ rjf: Cache Lookups
internal R_Handle tex_texture_from_key_hash_topology(TEX_Scope *scope, U128 key, U128 hash, TEX_Topology topology);
internal R_Handle tex_texture_from_hash_topology(TEX_Scope *scope, U128 hash, TEX_Topology topology);
internal R_Handle tex_texture_from_key_topology(TEX_Scope *scope, U128 key, TEX_Topology topology);
////////////////////////////////
//~ rjf: Transfer Threads
internal B32 tex_u2x_enqueue_req(U128 key, U128 hash, TEX_Topology top, U64 endt_us);
internal void tex_u2x_dequeue_req(U128 *key_out, U128 *hash_out, TEX_Topology *top_out);
internal B32 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);
internal void tex_xfer_thread__entry_point(void *p);
////////////////////////////////