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Cuyler36
79 lines
2.4 KiB
C
79 lines
2.4 KiB
C
#ifndef TEXTURE_CACHE_H
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#define TEXTURE_CACHE_H
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#include "types.h"
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#include "libforest/gbi_extensions.h"
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#ifdef __cplusplus
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extern "C" {
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#define TEX_CACHE_ALIGNMENT (32 - 1) /* 32 byte alignment */
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#define NUM_TEXTURE_CACHE_DATA 10
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#define TEXTURE_CACHE_LIST_SIZE 256
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#define TMEM_ENTRIES 128
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#define TEX_CACHE_ALIGN(n) ((n + TEX_CACHE_ALIGNMENT) & ~TEX_CACHE_ALIGNMENT)
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/* These would be initialized by the linker. TODO: Is there a better way to do this? */
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extern void* _data_segment_start;
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extern void* _sdata2_segment_end;
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typedef struct {
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void* addr;
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Gloadblock loadblock;
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Gloadtile loadtile;
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Gsetimg2 setimg2;
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} tmem_t;
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typedef struct {
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void* start; /* Start RAM address of cache */
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void* end; /* End RAM address of cache */
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} texture_cache_data_entry_t;
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typedef struct {
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void* original; /* Original RAM address */
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void* converted; /* Converted RAM address */
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} texture_cache_entry_t;
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typedef struct texture_cache_s texture_cache_t;
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typedef void* (*texture_cache_search_func)(void* addr);
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typedef int (*texture_cache_entry_func)(void* original, void* converted);
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typedef void* (*texture_cache_alloc_func)(texture_cache_t* cache, u32 size);
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typedef struct {
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texture_cache_search_func search;
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texture_cache_entry_func entry;
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texture_cache_alloc_func alloc;
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} texture_cache_funcs;
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typedef struct texture_cache_s {
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texture_cache_funcs* funcs; /* Pointer to texture cache funcs */
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u8* buffer_start; /* Start address of cache buffer */
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u8* buffer_end; /* End address of cache buffer */
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u8* buffer_current; /* Current write position of the cache buffer */
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u8* last_alloc_end; /* Points to end address from last cache alloc */
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u8* last_alloc_start; /* Points to the start address from last cache alloc */
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bool is_overflow; /* Set to true when the cache is full */
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u32 buffer_pos; /* Write index into cache buffer */
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} texture_cache_t;
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/* TMEM map */
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// static tmem_t tmem_map[TMEM_ENTRIES];
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/* Shared alloc function */
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void* texture_cache_alloc(texture_cache_t* cache, u32 size);
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/* .data cache functions */
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void* texture_cache_data_search(void* addr);
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int texture_cache_data_entry(void* original, void* converted);
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#define TEX_BUFFER_DATA_SIZE 0xC000
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#define TEX_BUFFER_BSS_SIZE 0x1000
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extern texture_cache_t* texture_cache_select(void* address);
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}
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#endif
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#endif
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