mirror of
https://github.com/Ed94/raddebugger.git
synced 2026-06-13 07:32:23 -07:00
Ryan Fleury
119 lines
2.4 KiB
C
119 lines
2.4 KiB
C
// Copyright (c) Epic Games Tools
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// Licensed under the MIT license (https://opensource.org/license/mit/)
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#ifndef TEXTURE_CACHE_H
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#define TEXTURE_CACHE_H
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////////////////////////////////
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//~ rjf: Texture Topology
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typedef struct TEX_Topology TEX_Topology;
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struct TEX_Topology
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{
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Vec2S16 dim;
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R_Tex2DFormat fmt;
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};
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////////////////////////////////
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//~ rjf: Cache Types
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typedef struct TEX_Node TEX_Node;
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struct TEX_Node
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{
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TEX_Node *next;
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TEX_Node *prev;
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U128 hash;
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TEX_Topology topology;
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R_Handle texture;
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AccessPt access_pt;
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U64 working_count;
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U64 load_count;
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};
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typedef struct TEX_Slot TEX_Slot;
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struct TEX_Slot
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{
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TEX_Node *first;
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TEX_Node *last;
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};
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typedef struct TEX_Stripe TEX_Stripe;
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struct TEX_Stripe
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{
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Arena *arena;
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RWMutex rw_mutex;
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CondVar cv;
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};
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////////////////////////////////
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//~ rjf: Shared State
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typedef struct TEX_Request TEX_Request;
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struct TEX_Request
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{
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U128 hash;
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TEX_Topology top;
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};
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typedef struct TEX_RequestNode TEX_RequestNode;
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struct TEX_RequestNode
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{
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TEX_RequestNode *next;
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TEX_Request v;
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};
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typedef struct TEX_Shared TEX_Shared;
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struct TEX_Shared
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{
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Arena *arena;
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// rjf: cache
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U64 slots_count;
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U64 stripes_count;
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TEX_Slot *slots;
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TEX_Stripe *stripes;
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TEX_Node **stripes_free_nodes;
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// rjf: requests
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Mutex req_mutex;
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Arena *req_arena;
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TEX_RequestNode *first_req;
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TEX_RequestNode *last_req;
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U64 req_count;
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U64 lane_req_take_counter;
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};
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////////////////////////////////
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//~ rjf: Globals
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global TEX_Shared *tex_shared = 0;
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////////////////////////////////
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//~ rjf: Basic Helpers
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internal TEX_Topology tex_topology_make(Vec2S32 dim, R_Tex2DFormat fmt);
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////////////////////////////////
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//~ rjf: Main Layer Initialization
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internal void tex_init(void);
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////////////////////////////////
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//~ rjf: Cache Lookups
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internal R_Handle tex_texture_from_hash_topology(Access *access, U128 hash, TEX_Topology topology);
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internal R_Handle tex_texture_from_key_topology(Access *access, C_Key key, TEX_Topology topology, U128 *hash_out);
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////////////////////////////////
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//~ rjf: Asynchronous Tick
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internal void tex_async_tick(void);
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////////////////////////////////
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//~ rjf: Artifact Cache Hooks / Lookups
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internal void *tex_artifact_create(String8 key, B32 *retry_out);
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internal void tex_artifact_destroy(void *ptr);
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#endif // TEXTURE_CACHE_H
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